Mercurial > projects > dwt2
annotate org.eclipse.swt.win32.win32.x86/src/org/eclipse/swt/graphics/Device.d @ 112:9f4c18c268b2
Update to compile and execute with dmd 2.052.
author | kntroh |
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date | Wed, 16 Mar 2011 21:53:53 +0900 |
parents | 735224fcc45f |
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1 /******************************************************************************* |
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2 * Copyright (c) 2000, 2008 IBM Corporation and others. |
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3 * All rights reserved. This program and the accompanying materials |
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4 * are made available under the terms of the Eclipse Public License v1.0 |
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5 * which accompanies this distribution, and is available at |
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6 * http://www.eclipse.org/legal/epl-v10.html |
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7 * |
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8 * Contributors: |
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9 * IBM Corporation - initial API and implementation |
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10 * Port to the D programming language: |
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11 * Frank Benoit <benoit@tionex.de> |
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12 *******************************************************************************/ |
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13 module org.eclipse.swt.graphics.Device; |
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14 |
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15 import org.eclipse.swt.SWT; |
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16 import org.eclipse.swt.SWTException; |
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17 import org.eclipse.swt.internal.gdip.Gdip; |
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18 import org.eclipse.swt.internal.win32.OS; |
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19 |
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20 import org.eclipse.swt.graphics.Cursor; |
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21 import org.eclipse.swt.graphics.GC; |
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22 import org.eclipse.swt.graphics.Image; |
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23 import org.eclipse.swt.graphics.Path; |
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24 import org.eclipse.swt.graphics.Pattern; |
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25 import org.eclipse.swt.graphics.Region; |
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26 import org.eclipse.swt.graphics.TextLayout; |
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27 import org.eclipse.swt.graphics.Transform; |
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28 import org.eclipse.swt.graphics.Drawable; |
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29 import org.eclipse.swt.graphics.DeviceData; |
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30 import org.eclipse.swt.graphics.Rectangle; |
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31 import org.eclipse.swt.graphics.FontData; |
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32 import org.eclipse.swt.graphics.Font; |
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33 import org.eclipse.swt.graphics.GCData; |
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34 import org.eclipse.swt.graphics.Color; |
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35 |
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36 import java.lang.Runnable; |
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37 import java.lang.System; |
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38 |
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39 import java.lang.all; |
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40 |
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41 /** |
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42 * This class is the abstract superclass of all device objects, |
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43 * such as the Display device and the Printer device. Devices |
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44 * can have a graphics context (GC) created for them, and they |
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45 * can be drawn on by sending messages to the associated GC. |
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46 * |
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47 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a> |
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48 */ |
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49 public abstract class Device : Drawable { |
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50 |
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51 private struct CallbackData { |
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52 Device device; |
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53 bool scalable; |
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54 } |
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55 |
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56 /* Debugging */ |
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57 public static bool DEBUG = true; |
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58 bool debug_; |
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59 bool tracking; |
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60 Exception [] errors; |
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61 Object [] objects; |
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62 Object trackingLock; |
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63 |
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64 /** |
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65 * Palette |
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66 * (Warning: This field is platform dependent) |
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67 * <p> |
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68 * <b>IMPORTANT:</b> This field is <em>not</em> part of the SWT |
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69 * public API. It is marked public only so that it can be shared |
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70 * within the packages provided by SWT. It is not available on all |
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71 * platforms and should never be accessed from application code. |
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72 * </p> |
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73 */ |
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74 public HPALETTE hPalette; |
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75 int [] colorRefCount; |
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76 |
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77 /* System Font */ |
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78 Font systemFont; |
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79 |
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80 /* Font Enumeration */ |
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81 int nFonts = 256; |
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82 LOGFONT* [] logFonts; |
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83 TEXTMETRIC metrics; |
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84 int[] pixels; |
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85 |
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86 /* Scripts */ |
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87 SCRIPT_PROPERTIES*[] scripts; |
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88 |
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89 /* Advanced Graphics */ |
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90 ULONG_PTR gdipToken; |
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91 |
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92 bool disposed; |
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93 |
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94 /* |
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95 * TEMPORARY CODE. When a graphics object is |
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96 * created and the device parameter is null, |
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97 * the current Display is used. This presents |
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98 * a problem because SWT graphics does not |
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99 * reference classes in SWT widgets. The correct |
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100 * fix is to remove this feature. Unfortunately, |
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101 * too many application programs rely on this |
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102 * feature. |
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103 * |
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104 * This code will be removed in the future. |
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105 */ |
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106 protected static Device CurrentDevice; |
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107 protected static Runnable DeviceFinder; |
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108 |
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109 |
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110 /* |
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111 * TEMPORARY CODE. |
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112 */ |
112 | 113 static Device getDevice () { |
114 synchronized { | |
115 if (DeviceFinder !is null) DeviceFinder.run(); | |
116 Device device = CurrentDevice; | |
117 CurrentDevice = null; | |
118 return device; | |
119 } | |
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120 } |
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121 |
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122 /** |
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123 * Constructs a new instance of this class. |
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124 * <p> |
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125 * You must dispose the device when it is no longer required. |
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126 * </p> |
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127 * |
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128 * @see #create |
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129 * @see #init |
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130 * |
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131 * @since 3.1 |
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132 */ |
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133 public this() { |
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134 this(null); |
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135 } |
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136 |
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137 /** |
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138 * Constructs a new instance of this class. |
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139 * <p> |
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140 * You must dispose the device when it is no longer required. |
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141 * </p> |
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142 * |
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143 * @param data the DeviceData which describes the receiver |
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144 * |
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145 * @see #create |
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146 * @see #init |
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147 * @see DeviceData |
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148 */ |
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149 public this(DeviceData data) { |
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150 synchronized (Device.classinfo) { |
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151 debug_ = DEBUG; |
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152 tracking = DEBUG; |
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153 if (data !is null) { |
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154 debug_ = data.debug_; |
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155 tracking = data.tracking; |
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156 } |
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157 if (tracking) { |
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158 errors = new Exception [128]; |
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159 objects = new Object [128]; |
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160 trackingLock = new Object (); |
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161 } |
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162 create (data); |
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163 init_ (); |
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164 gdipToken = 0; |
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165 } |
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166 } |
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167 |
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168 /** |
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169 * Throws an <code>SWTException</code> if the receiver can not |
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170 * be accessed by the caller. This may include both checks on |
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171 * the state of the receiver and more generally on the entire |
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172 * execution context. This method <em>should</em> be called by |
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173 * device implementors to enforce the standard SWT invariants. |
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174 * <p> |
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175 * Currently, it is an error to invoke any method (other than |
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176 * <code>isDisposed()</code> and <code>dispose()</code>) on a |
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177 * device that has had its <code>dispose()</code> method called. |
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178 * </p><p> |
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179 * In future releases of SWT, there may be more or fewer error |
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180 * checks and exceptions may be thrown for different reasons. |
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181 * <p> |
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182 * |
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183 * @exception SWTException <ul> |
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184 * <li>ERROR_WIDGET_DISPOSED - if the receiver has been disposed</li> |
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185 * </ul> |
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186 */ |
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187 protected void checkDevice () { |
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188 if (disposed) SWT.error(SWT.ERROR_DEVICE_DISPOSED); |
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189 } |
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190 |
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191 void checkGDIP() { |
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192 if (gdipToken) return; |
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193 int oldErrorMode = 0; |
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194 static if (!OS.IsWinCE) oldErrorMode = OS.SetErrorMode (OS.SEM_FAILCRITICALERRORS); |
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195 try { |
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196 ULONG_PTR token; |
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197 GdiplusStartupInput input; |
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198 input.GdiplusVersion = 1; |
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199 if (Gdip.GdiplusStartup ( &token, &input, null ) is 0) { |
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200 gdipToken = token; |
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201 } |
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202 } catch (Exception t) { |
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203 SWT.error (SWT.ERROR_NO_GRAPHICS_LIBRARY, t, " [GDI+ is required]"); //$NON-NLS-1$ |
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204 } finally { |
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205 if (!OS.IsWinCE) OS.SetErrorMode (oldErrorMode); |
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206 } |
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207 } |
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208 |
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209 /** |
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210 * Creates the device in the operating system. If the device |
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211 * does not have a handle, this method may do nothing depending |
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212 * on the device. |
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213 * <p> |
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214 * This method is called before <code>init</code>. |
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215 * </p><p> |
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216 * Subclasses are supposed to reimplement this method and not |
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217 * call the <code>super</code> implementation. |
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218 * </p> |
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219 * |
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220 * @param data the DeviceData which describes the receiver |
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221 * |
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222 * @see #init |
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223 */ |
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224 protected void create (DeviceData data) { |
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225 } |
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226 |
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227 int computePixels(float height) { |
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228 auto hDC = internal_new_GC (null); |
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229 int pixels = -cast(int)(0.5f + (height * OS.GetDeviceCaps(hDC, OS.LOGPIXELSY) / 72f)); |
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230 internal_dispose_GC (hDC, null); |
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231 return pixels; |
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232 } |
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233 |
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234 float computePoints(LOGFONT* logFont, HFONT hFont) { |
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235 auto hDC = internal_new_GC (null); |
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236 int logPixelsY = OS.GetDeviceCaps(hDC, OS.LOGPIXELSY); |
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237 int pixels = 0; |
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238 if (logFont.lfHeight > 0) { |
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239 /* |
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240 * Feature in Windows. If the lfHeight of the LOGFONT structure |
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241 * is positive, the lfHeight measures the height of the entire |
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242 * cell, including internal leading, in logical units. Since the |
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243 * height of a font in points does not include the internal leading, |
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244 * we must subtract the internal leading, which requires a TEXTMETRIC. |
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245 */ |
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246 auto oldFont = OS.SelectObject(hDC, hFont); |
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247 TEXTMETRIC* lptm = new TEXTMETRIC(); |
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248 OS.GetTextMetrics(hDC, lptm); |
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249 OS.SelectObject(hDC, oldFont); |
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250 pixels = logFont.lfHeight - lptm.tmInternalLeading; |
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251 } else { |
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252 pixels = -logFont.lfHeight; |
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253 } |
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254 internal_dispose_GC (hDC, null); |
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255 return pixels * 72f / logPixelsY; |
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256 } |
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257 |
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258 /** |
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259 * Destroys the device in the operating system and releases |
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260 * the device's handle. If the device does not have a handle, |
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261 * this method may do nothing depending on the device. |
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262 * <p> |
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263 * This method is called after <code>release</code>. |
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264 * </p><p> |
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265 * Subclasses are supposed to reimplement this method and not |
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266 * call the <code>super</code> implementation. |
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267 * </p> |
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268 * |
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269 * @see #dispose |
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270 * @see #release |
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271 */ |
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272 protected void destroy () { |
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273 } |
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274 |
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275 /** |
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276 * Disposes of the operating system resources associated with |
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277 * the receiver. After this method has been invoked, the receiver |
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278 * will answer <code>true</code> when sent the message |
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279 * <code>isDisposed()</code>. |
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280 * |
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281 * @see #release |
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282 * @see #destroy |
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283 * @see #checkDevice |
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284 */ |
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285 public void dispose () { |
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286 synchronized (Device.classinfo) { |
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287 if (isDisposed()) return; |
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288 checkDevice (); |
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289 release (); |
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290 destroy (); |
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291 disposed = true; |
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292 if (tracking) { |
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293 synchronized (trackingLock) { |
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294 printErrors (); |
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295 objects = null; |
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296 errors = null; |
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297 trackingLock = null; |
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298 } |
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299 } |
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300 } |
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301 } |
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302 |
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303 void dispose_Object (Object object) { |
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304 synchronized (trackingLock) { |
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305 for (int i=0; i<objects.length; i++) { |
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306 if (objects [i] is object) { |
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307 objects [i] = null; |
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308 errors [i] = null; |
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309 return; |
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310 } |
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311 } |
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312 } |
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313 } |
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314 |
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315 static extern(Windows) int EnumFontFamFunc (ENUMLOGFONT* lpelfe, NEWTEXTMETRIC* lpntme, int FontType, int lParam) { |
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316 auto cbdata = cast(CallbackData*)lParam; |
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317 return cbdata.device.EnumFontFamProc( lpelfe, lpntme, FontType, cbdata.scalable ); |
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318 } |
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319 |
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320 int EnumFontFamProc (ENUMLOGFONT* lpelfe, NEWTEXTMETRIC* lpntme, DWORD FontType, bool scalable) { |
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321 bool isScalable = (FontType & OS.RASTER_FONTTYPE) is 0; |
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322 if (isScalable is scalable) { |
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323 /* Add the log font to the list of log fonts */ |
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324 if (nFonts is logFonts.length) { |
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325 LOGFONT* [] newLogFonts = new LOGFONT* [logFonts.length + 128]; |
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326 SimpleType!(LOGFONT*).arraycopy (logFonts, 0, newLogFonts, 0, nFonts); |
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327 logFonts = newLogFonts; |
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328 int[] newPixels = new int[newLogFonts.length]; |
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329 System.arraycopy (pixels, 0, newPixels, 0, nFonts); |
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330 pixels = newPixels; |
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331 } |
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332 LOGFONT* logFont = logFonts [nFonts]; |
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333 if (logFont is null) logFont = new LOGFONT (); |
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334 *logFont = *cast(LOGFONT*)lpelfe; |
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335 logFonts [nFonts] = logFont; |
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336 if (logFont.lfHeight > 0) { |
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337 /* |
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338 * Feature in Windows. If the lfHeight of the LOGFONT structure |
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339 * is positive, the lfHeight measures the height of the entire |
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340 * cell, including internal leading, in logical units. Since the |
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341 * height of a font in points does not include the internal leading, |
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342 * we must subtract the internal leading, which requires a TEXTMETRIC, |
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343 * which in turn requires font creation. |
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344 */ |
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345 metrics = *cast(TEXTMETRIC*)lpntme; |
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346 pixels[nFonts] = logFont.lfHeight - metrics.tmInternalLeading; |
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347 } else { |
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348 pixels[nFonts] = -logFont.lfHeight; |
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349 } |
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350 nFonts++; |
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351 } |
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352 return 1; |
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353 } |
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354 |
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355 /** |
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356 * Returns a rectangle describing the receiver's size and location. |
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357 * |
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358 * @return the bounding rectangle |
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359 * |
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360 * @exception SWTException <ul> |
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361 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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362 * </ul> |
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363 */ |
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364 public Rectangle getBounds () { |
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365 checkDevice (); |
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366 auto hDC = internal_new_GC (null); |
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367 int width = OS.GetDeviceCaps (hDC, OS.HORZRES); |
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368 int height = OS.GetDeviceCaps (hDC, OS.VERTRES); |
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369 internal_dispose_GC (hDC, null); |
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370 return new Rectangle (0, 0, width, height); |
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371 } |
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372 |
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373 /** |
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374 * Returns a <code>DeviceData</code> based on the receiver. |
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375 * Modifications made to this <code>DeviceData</code> will not |
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376 * affect the receiver. |
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377 * |
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378 * @return a <code>DeviceData</code> containing the device's data and attributes |
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379 * |
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380 * @exception SWTException <ul> |
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381 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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382 * </ul> |
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383 * |
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384 * @see DeviceData |
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385 */ |
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386 public DeviceData getDeviceData () { |
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387 checkDevice(); |
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388 DeviceData data = new DeviceData (); |
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389 data.debug_ = debug_; |
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390 data.tracking = tracking; |
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391 if (tracking) { |
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392 synchronized (trackingLock) { |
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393 int count = 0, length = objects.length; |
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394 for (int i=0; i<length; i++) { |
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395 if (objects [i] !is null) count++; |
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396 } |
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397 int index = 0; |
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398 data.objects = new Object [count]; |
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399 data.errors = new Exception [count]; |
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400 for (int i=0; i<length; i++) { |
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401 if (objects [i] !is null) { |
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402 data.objects [index] = objects [i]; |
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403 data.errors [index] = errors [i]; |
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404 index++; |
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405 } |
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406 } |
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407 } |
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408 } else { |
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409 data.objects = new Object [0]; |
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410 data.errors = new Exception [0]; |
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411 } |
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412 return data; |
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413 } |
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414 |
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415 /** |
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416 * Returns a rectangle which describes the area of the |
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417 * receiver which is capable of displaying data. |
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418 * |
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419 * @return the client area |
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420 * |
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421 * @exception SWTException <ul> |
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422 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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423 * </ul> |
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424 * |
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425 * @see #getBounds |
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426 */ |
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427 public Rectangle getClientArea () { |
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428 return getBounds (); |
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429 } |
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430 |
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431 /** |
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432 * Returns the bit depth of the screen, which is the number of |
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433 * bits it takes to represent the number of unique colors that |
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434 * the screen is currently capable of displaying. This number |
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435 * will typically be one of 1, 8, 15, 16, 24 or 32. |
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436 * |
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437 * @return the depth of the screen |
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438 * |
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439 * @exception SWTException <ul> |
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440 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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441 * </ul> |
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442 */ |
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443 public int getDepth () { |
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444 checkDevice (); |
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445 auto hDC = internal_new_GC (null); |
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446 int bits = OS.GetDeviceCaps (hDC, OS.BITSPIXEL); |
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447 int planes = OS.GetDeviceCaps (hDC, OS.PLANES); |
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448 internal_dispose_GC (hDC, null); |
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449 return bits * planes; |
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450 } |
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451 |
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452 /** |
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453 * Returns a point whose x coordinate is the horizontal |
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454 * dots per inch of the display, and whose y coordinate |
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455 * is the vertical dots per inch of the display. |
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456 * |
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457 * @return the horizontal and vertical DPI |
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458 * |
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459 * @exception SWTException <ul> |
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460 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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461 * </ul> |
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462 */ |
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463 public Point getDPI () { |
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464 checkDevice (); |
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465 auto hDC = internal_new_GC (null); |
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466 int dpiX = OS.GetDeviceCaps (hDC, OS.LOGPIXELSX); |
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467 int dpiY = OS.GetDeviceCaps (hDC, OS.LOGPIXELSY); |
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468 internal_dispose_GC (hDC, null); |
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469 return new Point (dpiX, dpiY); |
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470 } |
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471 |
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472 /** |
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473 * Returns <code>FontData</code> objects which describe |
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474 * the fonts that match the given arguments. If the |
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475 * <code>faceName</code> is null, all fonts will be returned. |
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476 * |
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477 * @param faceName the name of the font to look for, or null |
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478 * @param scalable if true only scalable fonts are returned, otherwise only non-scalable fonts are returned. |
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479 * @return the matching font data |
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480 * |
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481 * @exception SWTException <ul> |
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482 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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483 * </ul> |
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484 */ |
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485 public FontData [] getFontList (String faceName, bool scalable) { |
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486 checkDevice (); |
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487 |
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488 /* Create the callback */ |
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489 CallbackData cbdata; |
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490 cbdata.device = this; |
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491 |
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492 /* Initialize the instance variables */ |
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493 metrics = TEXTMETRIC.init; |
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494 pixels = new int[nFonts]; |
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495 logFonts = new LOGFONT* [nFonts]; |
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496 for (int i=0; i<logFonts.length; i++) { |
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497 logFonts [i] = new LOGFONT(); |
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498 } |
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499 nFonts = 0; |
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500 |
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501 /* Enumerate */ |
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502 int offset = 0; |
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503 auto hDC = internal_new_GC (null); |
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504 if (faceName is null) { |
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505 /* The user did not specify a face name, so they want all versions of all available face names */ |
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506 cbdata.scalable = scalable; |
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507 OS.EnumFontFamilies (hDC, null, &EnumFontFamFunc, cast(int)&cbdata ); |
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508 |
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509 /** |
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510 * For bitmapped fonts, EnumFontFamilies only enumerates once for each font, regardless |
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511 * of how many styles are available. If the user wants bitmapped fonts, enumerate on |
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512 * each face name now. |
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513 */ |
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514 offset = nFonts; |
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515 for (int i=0; i<offset; i++) { |
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516 LOGFONT* lf = logFonts [i]; |
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517 /** |
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518 * Bug in Windows 98. When EnumFontFamiliesEx is called with a specified face name, it |
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519 * should enumerate for each available style of that font. Instead, it only enumerates |
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520 * once. The fix is to call EnumFontFamilies, which works as expected. |
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521 */ |
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522 cbdata.scalable = scalable; |
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523 static if (OS.IsUnicode) { |
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524 OS.EnumFontFamiliesW (hDC, (cast(LOGFONTW*)lf).lfFaceName.ptr, &EnumFontFamFunc, cast(int)&cbdata); |
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525 } else { |
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526 OS.EnumFontFamiliesA (hDC, (cast(LOGFONTA*)lf).lfFaceName.ptr, &EnumFontFamFunc, cast(int)&cbdata); |
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527 } |
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528 } |
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529 } else { |
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530 /* Use the character encoding for the default locale */ |
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531 /** |
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532 * Bug in Windows 98. When EnumFontFamiliesEx is called with a specified face name, it |
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533 * should enumerate for each available style of that font. Instead, it only enumerates |
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534 * once. The fix is to call EnumFontFamilies, which works as expected. |
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535 */ |
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536 cbdata.scalable = scalable; |
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537 OS.EnumFontFamilies (hDC, .StrToTCHARz(faceName), &EnumFontFamFunc, cast(int)&cbdata); |
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538 } |
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539 int logPixelsY = OS.GetDeviceCaps(hDC, OS.LOGPIXELSY); |
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540 internal_dispose_GC (hDC, null); |
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|
541 |
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542 /* Create the fontData from the logfonts */ |
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543 int count = 0; |
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544 FontData [] result = new FontData [nFonts - offset]; |
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545 for (int i=offset; i<nFonts; i++) { |
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546 FontData fd = FontData.win32_new (logFonts [i], pixels [i] * 72f / logPixelsY); |
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547 int j; |
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548 for (j = 0; j < count; j++) { |
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549 if (fd == result [j]) break; |
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550 } |
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551 if (j is count) result [count++] = fd; |
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552 } |
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553 if (count !is result.length) { |
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554 FontData [] newResult = new FontData [count]; |
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555 System.arraycopy (result, 0, newResult, 0, count); |
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556 result = newResult; |
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557 } |
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558 |
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parents:
diff
changeset
|
559 /* Clean up */ |
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parents:
diff
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|
560 logFonts = null; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
561 pixels = null; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
562 metrics = TEXTMETRIC.init; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
563 return result; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
564 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
565 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
566 String getLastError () { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
567 int error = OS.GetLastError(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
568 if (error is 0) return ""; //$NON-NLS-1$ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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569 return " [GetLastError=0x" ~ .toHex(error) ~ "]"; //$NON-NLS-1$ //$NON-NLS-2$ |
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parents:
diff
changeset
|
570 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
571 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
572 String getLastErrorText () { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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573 int error = OS.GetLastError(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
574 if (error is 0) return ""; //$NON-NLS-1$ |
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parents:
diff
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|
575 TCHAR* buffer = null; |
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parents:
diff
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|
576 int dwFlags = OS.FORMAT_MESSAGE_ALLOCATE_BUFFER | OS.FORMAT_MESSAGE_FROM_SYSTEM | OS.FORMAT_MESSAGE_IGNORE_INSERTS; |
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parents:
diff
changeset
|
577 int length = OS.FormatMessage(dwFlags, null, error, OS.LANG_USER_DEFAULT, cast(TCHAR*)&buffer, 0, null); |
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parents:
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578 String errorNum = ("[GetLastError=") ~ .toHex(error) ~ "] "; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
579 if (length == 0) return errorNum; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
580 String buffer1 = .TCHARzToStr(buffer, length); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
581 if ( *buffer != 0) |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
582 OS.LocalFree(cast(HLOCAL)buffer); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
583 return errorNum ~ buffer1; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
584 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
585 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
586 /** |
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parents:
diff
changeset
|
587 * Returns the matching standard color for the given |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
588 * constant, which should be one of the color constants |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
589 * specified in class <code>SWT</code>. Any value other |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
590 * than one of the SWT color constants which is passed |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
591 * in will result in the color black. This color should |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
592 * not be freed because it was allocated by the system, |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
593 * not the application. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
594 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
595 * @param id the color constant |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
596 * @return the matching color |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
597 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
598 * @exception SWTException <ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
599 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
600 * </ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
601 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
602 * @see SWT |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
603 */ |
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parents:
diff
changeset
|
604 public Color getSystemColor (int id) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
605 checkDevice (); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
606 int pixel = 0x00000000; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
607 switch (id) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
608 case SWT.COLOR_WHITE: pixel = 0x00FFFFFF; break; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
609 case SWT.COLOR_BLACK: pixel = 0x00000000; break; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
610 case SWT.COLOR_RED: pixel = 0x000000FF; break; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
611 case SWT.COLOR_DARK_RED: pixel = 0x00000080; break; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
612 case SWT.COLOR_GREEN: pixel = 0x0000FF00; break; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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613 case SWT.COLOR_DARK_GREEN: pixel = 0x00008000; break; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
614 case SWT.COLOR_YELLOW: pixel = 0x0000FFFF; break; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
615 case SWT.COLOR_DARK_YELLOW: pixel = 0x00008080; break; |
6dd524f61e62
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parents:
diff
changeset
|
616 case SWT.COLOR_BLUE: pixel = 0x00FF0000; break; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
617 case SWT.COLOR_DARK_BLUE: pixel = 0x00800000; break; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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618 case SWT.COLOR_MAGENTA: pixel = 0x00FF00FF; break; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
619 case SWT.COLOR_DARK_MAGENTA: pixel = 0x00800080; break; |
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parents:
diff
changeset
|
620 case SWT.COLOR_CYAN: pixel = 0x00FFFF00; break; |
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parents:
diff
changeset
|
621 case SWT.COLOR_DARK_CYAN: pixel = 0x00808000; break; |
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parents:
diff
changeset
|
622 case SWT.COLOR_GRAY: pixel = 0x00C0C0C0; break; |
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parents:
diff
changeset
|
623 case SWT.COLOR_DARK_GRAY: pixel = 0x00808080; break; |
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parents:
diff
changeset
|
624 default: |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
625 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
626 return Color.win32_new (this, pixel); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
627 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
628 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
629 /** |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
630 * Returns a reasonable font for applications to use. |
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parents:
diff
changeset
|
631 * On some platforms, this will match the "default font" |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
632 * or "system font" if such can be found. This font |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
633 * should not be freed because it was allocated by the |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
634 * system, not the application. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
635 * <p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
636 * Typically, applications which want the default look |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
637 * should simply not set the font on the widgets they |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
638 * create. Widgets are always created with the correct |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
639 * default font for the class of user-interface component |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
640 * they represent. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
641 * </p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
642 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
643 * @return a font |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
644 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
645 * @exception SWTException <ul> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
646 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
647 * </ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
648 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
649 public Font getSystemFont () { |
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parents:
diff
changeset
|
650 checkDevice (); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
651 auto hFont = OS.GetStockObject (OS.SYSTEM_FONT); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
652 return Font.win32_new (this, hFont); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
653 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
654 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
655 /** |
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parents:
diff
changeset
|
656 * Returns <code>true</code> if the underlying window system prints out |
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parents:
diff
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|
657 * warning messages on the console, and <code>setWarnings</code> |
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parents:
diff
changeset
|
658 * had previously been called with <code>true</code>. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
659 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
660 * @return <code>true</code>if warnings are being handled, and <code>false</code> otherwise |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
661 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
662 * @exception SWTException <ul> |
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parents:
diff
changeset
|
663 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
664 * </ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
665 */ |
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parents:
diff
changeset
|
666 public bool getWarnings () { |
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parents:
diff
changeset
|
667 checkDevice (); |
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parents:
diff
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|
668 return false; |
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parents:
diff
changeset
|
669 } |
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parents:
diff
changeset
|
670 |
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parents:
diff
changeset
|
671 /** |
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parents:
diff
changeset
|
672 * Initializes any internal resources needed by the |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
673 * device. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
674 * <p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
675 * This method is called after <code>create</code>. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
676 * </p><p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
677 * If subclasses reimplement this method, they must |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
678 * call the <code>super</code> implementation. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
679 * </p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
680 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
681 * @see #create |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
682 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
683 protected void init_ () { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
684 if (debug_) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
685 static if (!OS.IsWinCE) OS.GdiSetBatchLimit(1); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
686 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
687 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
688 /* Initialize the system font slot */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
689 systemFont = getSystemFont(); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
690 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
691 /* Initialize scripts list */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
692 static if (!OS.IsWinCE) { |
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parents:
diff
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|
693 SCRIPT_PROPERTIES** ppSp; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
694 int piNumScripts; |
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parents:
diff
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|
695 OS.ScriptGetProperties (&ppSp, &piNumScripts); |
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parents:
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|
696 scripts = ppSp[ 0 .. piNumScripts ].dup; |
6dd524f61e62
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parents:
diff
changeset
|
697 } |
6dd524f61e62
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parents:
diff
changeset
|
698 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
699 /* |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
700 * If we're not on a device which supports palettes, |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
701 * don't create one. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
702 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
703 auto hDC = internal_new_GC (null); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
704 int rc = OS.GetDeviceCaps (hDC, OS.RASTERCAPS); |
6dd524f61e62
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parents:
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|
705 int bits = OS.GetDeviceCaps (hDC, OS.BITSPIXEL); |
6dd524f61e62
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parents:
diff
changeset
|
706 int planes = OS.GetDeviceCaps (hDC, OS.PLANES); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
707 |
6dd524f61e62
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parents:
diff
changeset
|
708 bits *= planes; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
709 if ((rc & OS.RC_PALETTE) is 0 || bits !is 8) { |
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parents:
diff
changeset
|
710 internal_dispose_GC (hDC, null); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
711 return; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
712 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
713 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
714 int numReserved = OS.GetDeviceCaps (hDC, OS.NUMRESERVED); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
715 int numEntries = OS.GetDeviceCaps (hDC, OS.SIZEPALETTE); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
716 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
717 static if (OS.IsWinCE) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
718 /* |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
719 * Feature on WinCE. For some reason, certain 8 bit WinCE |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
720 * devices return 0 for the number of reserved entries in |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
721 * the system palette. Their system palette correctly contains |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
722 * the usual 20 system colors. The workaround is to assume |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
723 * there are 20 reserved system colors instead of 0. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
724 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
725 if (numReserved is 0 && numEntries >= 20) numReserved = 20; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
726 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
727 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
728 /* Create the palette and reference counter */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
729 colorRefCount = new int [numEntries]; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
730 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
731 /* 4 bytes header + 4 bytes per entry * numEntries entries */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
732 byte [] logPalette = new byte [4 + 4 * numEntries]; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
733 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
734 /* 2 bytes = special header */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
735 logPalette [0] = 0x00; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
736 logPalette [1] = 0x03; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
737 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
738 /* 2 bytes = number of colors, LSB first */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
739 logPalette [2] = 0; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
740 logPalette [3] = 1; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
741 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
742 /* |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
743 * Create a palette which contains the system entries |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
744 * as they are located in the system palette. The |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
745 * MSDN article 'Memory Device Contexts' describes |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
746 * where system entries are located. On an 8 bit |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
747 * display with 20 reserved colors, the system colors |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
748 * will be the first 10 entries and the last 10 ones. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
749 */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
750 byte[] lppe = new byte [4 * numEntries]; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
751 OS.GetSystemPaletteEntries (hDC, 0, numEntries, cast(PALETTEENTRY*)lppe.ptr); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
752 /* Copy all entries from the system palette */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
753 System.arraycopy (lppe, 0, logPalette, 4, 4 * numEntries); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
754 /* Lock the indices corresponding to the system entries */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
755 for (int i = 0; i < numReserved / 2; i++) { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
756 colorRefCount [i] = 1; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
757 colorRefCount [numEntries - 1 - i] = 1; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
758 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
759 internal_dispose_GC (hDC, null); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
760 hPalette = OS.CreatePalette (cast(LOGPALETTE*)logPalette.ptr); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
761 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
762 /** |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
763 * Invokes platform specific functionality to allocate a new GC handle. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
764 * <p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
765 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
766 * API for <code>Device</code>. It is marked public only so that it |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
767 * can be shared within the packages provided by SWT. It is not |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
768 * available on all platforms, and should never be called from |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
769 * application code. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
770 * </p> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
771 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
772 * @param data the platform specific GC data |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
773 * @return the platform specific GC handle |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
774 */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
775 public abstract HDC internal_new_GC (GCData data); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
776 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
777 /** |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
778 * Invokes platform specific functionality to dispose a GC handle. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
779 * <p> |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
780 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
781 * API for <code>Device</code>. It is marked public only so that it |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
782 * can be shared within the packages provided by SWT. It is not |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
783 * available on all platforms, and should never be called from |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
784 * application code. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
785 * </p> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
786 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
787 * @param hDC the platform specific GC handle |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
788 * @param data the platform specific GC data |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
789 */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
790 public abstract void internal_dispose_GC (HDC hDC, GCData data); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
791 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
792 /** |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
793 * Returns <code>true</code> if the device has been disposed, |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
794 * and <code>false</code> otherwise. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
795 * <p> |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
796 * This method gets the dispose state for the device. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
797 * When a device has been disposed, it is an error to |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
798 * invoke any other method using the device. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
799 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
800 * @return <code>true</code> when the device is disposed and <code>false</code> otherwise |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
801 */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
802 public bool isDisposed () { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
803 synchronized (Device.classinfo) { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
804 return disposed; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
805 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
806 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
807 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
808 /** |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
809 * Loads the font specified by a file. The font will be |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
810 * present in the list of fonts available to the application. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
811 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
812 * @param path the font file path |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
813 * @return whether the font was successfully loaded |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
814 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
815 * @exception SWTException <ul> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
816 * <li>ERROR_NULL_ARGUMENT - if path is null</li> |
6dd524f61e62
add dwt win and basic java stuff
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
817 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
818 * </ul> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
819 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
820 * @see Font |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
821 * |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
822 * @since 3.3 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
823 */ |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
824 public bool loadFont (String path) { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
825 checkDevice(); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
826 if (path is null) SWT.error (SWT.ERROR_NULL_ARGUMENT); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
827 if (OS.IsWinNT && OS.WIN32_VERSION >= OS.VERSION (4, 10)) { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
828 //TCHAR lpszFilename = new TCHAR (0, path, true); |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
829 return OS.AddFontResourceEx ( .StrToTCHARz(path), OS.FR_PRIVATE, null) !is 0; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
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830 } |
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parents:
diff
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831 return false; |
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parents:
diff
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|
832 } |
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parents:
diff
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|
833 |
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parents:
diff
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|
834 void new_Object (Object object) { |
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parents:
diff
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|
835 synchronized (trackingLock) { |
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parents:
diff
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|
836 for (int i=0; i<objects.length; i++) { |
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parents:
diff
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|
837 if (objects [i] is null) { |
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parents:
diff
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|
838 objects [i] = object; |
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parents:
diff
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839 errors [i] = new Exception ( "" ); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
840 return; |
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parents:
diff
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|
841 } |
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parents:
diff
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|
842 } |
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parents:
diff
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|
843 Object [] newObjects = new Object [objects.length + 128]; |
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parents:
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844 System.arraycopy (objects, 0, newObjects, 0, objects.length); |
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parents:
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845 newObjects [objects.length] = object; |
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parents:
diff
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|
846 objects = newObjects; |
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parents:
diff
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|
847 Exception [] newErrors = new Exception [errors.length + 128]; |
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parents:
diff
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848 System.arraycopy (errors, 0, newErrors, 0, errors.length); |
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parents:
diff
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|
849 newErrors [errors.length] = new Exception (""); |
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parents:
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|
850 errors = newErrors; |
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parents:
diff
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|
851 } |
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parents:
diff
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|
852 } |
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parents:
diff
changeset
|
853 |
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parents:
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changeset
|
854 void printErrors () { |
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parents:
diff
changeset
|
855 if (!DEBUG) return; |
6dd524f61e62
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parents:
diff
changeset
|
856 if (tracking) { |
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parents:
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changeset
|
857 synchronized (trackingLock) { |
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parents:
diff
changeset
|
858 if (objects is null || errors is null) return; |
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parents:
diff
changeset
|
859 int objectCount = 0; |
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parents:
diff
changeset
|
860 int colors = 0, cursors = 0, fonts = 0, gcs = 0, images = 0; |
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parents:
diff
changeset
|
861 int paths = 0, patterns = 0, regions = 0, textLayouts = 0, transforms = 0; |
6dd524f61e62
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parents:
diff
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862 for (int i=0; i<objects.length; i++) { |
6dd524f61e62
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parents:
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|
863 Object object = objects [i]; |
6dd524f61e62
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parents:
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|
864 if (object !is null) { |
6dd524f61e62
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parents:
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|
865 objectCount++; |
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parents:
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|
866 if (null !is cast(Color)object ) colors++; |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
867 if (null !is cast(Cursor)object ) cursors++; |
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parents:
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868 if (null !is cast(Font)object ) fonts++; |
6dd524f61e62
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diff
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|
869 if (null !is cast(GC)object ) gcs++; |
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parents:
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changeset
|
870 if (null !is cast(Image)object ) images++; |
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parents:
diff
changeset
|
871 if (null !is cast(Path)object ) paths++; |
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parents:
diff
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|
872 if (null !is cast(Pattern)object ) patterns++; |
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parents:
diff
changeset
|
873 if (null !is cast(Region)object ) regions++; |
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parents:
diff
changeset
|
874 if (null !is cast(TextLayout)object ) textLayouts++; |
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parents:
diff
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|
875 if (null !is cast(Transform)object ) transforms++; |
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parents:
diff
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|
876 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
877 } |
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parents:
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|
878 if (objectCount !is 0) { |
6dd524f61e62
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parents:
diff
changeset
|
879 String string = "Summary: "; |
9 | 880 if (colors !is 0) string ~= String_valueOf(colors) ~ " Color(s), "; |
881 if (cursors !is 0) string ~= String_valueOf(cursors) ~ " Cursor(s), "; | |
882 if (fonts !is 0) string ~= String_valueOf(fonts) ~ " Font(s), "; | |
883 if (gcs !is 0) string ~= String_valueOf(gcs) ~ " GC(s), "; | |
884 if (images !is 0) string ~= String_valueOf(images) ~ " Image(s), "; | |
885 if (paths !is 0) string ~= String_valueOf(paths) ~ " Path(s), "; | |
886 if (patterns !is 0) string ~= String_valueOf(patterns) ~ " Pattern(s), "; | |
887 if (regions !is 0) string ~= String_valueOf(regions) ~ " Region(s), "; | |
888 if (textLayouts !is 0) string ~= String_valueOf(textLayouts) ~ " TextLayout(s), "; | |
889 if (transforms !is 0) string ~= String_valueOf(transforms) ~ " Transforms(s), "; | |
0
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diff
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890 if (string.length !is 0) { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
891 string = string.substring (0, string.length - 2); |
18
735224fcc45f
redirected all printings to DwtLogger
Frank Benoit <benoit@tionex.de>
parents:
9
diff
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|
892 getDwtLogger().error ( __FILE__, __LINE__, "{}", string); |
0
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parents:
diff
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|
893 } |
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parents:
diff
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|
894 for (int i=0; i<errors.length; i++) { |
9 | 895 if (errors [i] !is null) ExceptionPrintStackTrace( errors [i]); |
0
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
896 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
897 } |
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Frank Benoit <benoit@tionex.de>
parents:
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changeset
|
898 } |
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parents:
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|
899 } |
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parents:
diff
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|
900 } |
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parents:
diff
changeset
|
901 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
902 /** |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
903 * Releases any internal resources back to the operating |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
904 * system and clears all fields except the device handle. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
905 * <p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
906 * When a device is destroyed, resources that were acquired |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
907 * on behalf of the programmer need to be returned to the |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
908 * operating system. For example, if the device allocated a |
6dd524f61e62
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parents:
diff
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|
909 * font to be used as the system font, this font would be |
6dd524f61e62
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parents:
diff
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|
910 * freed in <code>release</code>. Also,to assist the garbage |
6dd524f61e62
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parents:
diff
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|
911 * collector and minimize the amount of memory that is not |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
912 * reclaimed when the programmer keeps a reference to a |
6dd524f61e62
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parents:
diff
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|
913 * disposed device, all fields except the handle are zero'd. |
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parents:
diff
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|
914 * The handle is needed by <code>destroy</code>. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
915 * </p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
916 * This method is called before <code>destroy</code>. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
917 * </p><p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
918 * If subclasses reimplement this method, they must |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
919 * call the <code>super</code> implementation. |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
920 * </p> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
921 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
922 * @see #dispose |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
923 * @see #destroy |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
924 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
925 protected void release () { |
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
926 if (gdipToken) { |
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parents:
diff
changeset
|
927 Gdip.GdiplusShutdown ( gdipToken ); |
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parents:
diff
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|
928 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
929 gdipToken = 0; // TODO: assignment of 0 might not be valid for token |
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parents:
diff
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|
930 scripts = null; |
6dd524f61e62
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parents:
diff
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|
931 if (hPalette !is null) OS.DeleteObject (hPalette); |
6dd524f61e62
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parents:
diff
changeset
|
932 hPalette = null; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
933 colorRefCount = null; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
934 logFonts = null; |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
935 nFonts = 0; |
6dd524f61e62
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parents:
diff
changeset
|
936 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
937 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
938 /** |
6dd524f61e62
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parents:
diff
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|
939 * If the underlying window system supports printing warning messages |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
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|
940 * to the console, setting warnings to <code>false</code> prevents these |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
941 * messages from being printed. If the argument is <code>true</code> then |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
942 * message printing is not blocked. |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
943 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
944 * @param warnings <code>true</code>if warnings should be printed, and <code>false</code> otherwise |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
945 * |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
946 * @exception SWTException <ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
947 * <li>ERROR_DEVICE_DISPOSED - if the receiver has been disposed</li> |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
948 * </ul> |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
949 */ |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
950 public void setWarnings (bool warnings) { |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
951 checkDevice (); |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
952 } |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
953 |
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
954 } |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
955 |
6dd524f61e62
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Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
956 |