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Fixes to get dwt to work with dmd and ldc
author Jacob Carlborg <doob@me.com>
date Wed, 08 Jul 2009 21:56:44 +0200
parents cfa563df4fdd
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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 *
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11 * Port to the D programming language:
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12 * Jacob Carlborg <doob@me.com>
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13 *******************************************************************************/
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14 module dwt.graphics.Transform;
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15
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16 import dwt.DWT;
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17 import dwt.DWTError;
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18 import dwt.DWTException;
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19 import dwt.internal.cocoa.NSAffineTransform;
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20 import dwt.internal.cocoa.NSAffineTransformStruct;
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21 import dwt.internal.cocoa.NSAutoreleasePool;
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22 import dwt.internal.cocoa.NSPoint;
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23 import dwt.internal.cocoa.NSThread;
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25 import tango.text.convert.Format;
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27 import dwt.dwthelper.utils;
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28 import dwt.graphics.Device;
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29 import dwt.graphics.Resource;
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30
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31 /**
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32 * Instances of this class represent transformation matrices for
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33 * points expressed as (x, y) pairs of floating point numbers.
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34 * <p>
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35 * Application code must explicitly invoke the <code>Transform.dispose()</code>
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36 * method to release the operating system resources managed by each instance
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37 * when those instances are no longer required.
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38 * </p>
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39 * <p>
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40 * This class requires the operating system's advanced graphics subsystem
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41 * which may not be available on some platforms.
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42 * </p>
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43 *
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44 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: GraphicsExample</a>
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45 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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46 *
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47 * @since 3.1
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48 */
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49 public class Transform : Resource {
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50
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51 alias Resource.init_ init_;
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52
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53 /**
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54 * the OS resource for the Transform
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55 * (Warning: This field is platform dependent)
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56 * <p>
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57 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT
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58 * public API. It is marked public only so that it can be shared
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59 * within the packages provided by DWT. It is not available on all
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60 * platforms and should never be accessed from application code.
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61 * </p>
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62 */
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63 public NSAffineTransform handle;
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64
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65 /**
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66 * Constructs a new identity Transform.
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67 * <p>
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68 * This operation requires the operating system's advanced
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69 * graphics subsystem which may not be available on some
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70 * platforms.
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71 * </p>
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72 *
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73 * @param device the device on which to allocate the Transform
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74 *
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75 * @exception IllegalArgumentException <ul>
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76 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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77 * </ul>
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78 * @exception DWTException <ul>
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79 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li>
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80 * </ul>
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81 * @exception DWTError <ul>
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82 * <li>ERROR_NO_HANDLES if a handle for the Transform could not be obtained</li>
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83 * </ul>
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84 *
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85 * @see #dispose()
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86 */
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87 public this (Device device) {
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88 this(device, 1, 0, 0, 1, 0, 0);
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89 }
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90
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91 /**
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92 * Constructs a new Transform given an array of elements that represent the
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93 * matrix that describes the transformation.
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94 * <p>
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95 * This operation requires the operating system's advanced
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96 * graphics subsystem which may not be available on some
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97 * platforms.
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98 * </p>
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99 *
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100 * @param device the device on which to allocate the Transform
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101 * @param elements an array of floats that describe the transformation matrix
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102 *
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103 * @exception IllegalArgumentException <ul>
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104 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device, or the elements array is null</li>
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105 * <li>ERROR_INVALID_ARGUMENT - if the elements array is too small to hold the matrix values</li>
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106 * </ul>
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107 * @exception DWTException <ul>
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108 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li>
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109 * </ul>
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110 * @exception DWTError <ul>
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111 * <li>ERROR_NO_HANDLES if a handle for the Transform could not be obtained</li>
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112 * </ul>
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113 *
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114 * @see #dispose()
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115 */
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116 public this(Device device, float[] elements) {
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117 this (device, checkTransform(elements)[0], elements[1], elements[2], elements[3], elements[4], elements[5]);
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118 }
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119
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120 /**
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121 * Constructs a new Transform given all of the elements that represent the
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122 * matrix that describes the transformation.
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123 * <p>
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124 * This operation requires the operating system's advanced
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125 * graphics subsystem which may not be available on some
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126 * platforms.
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127 * </p>
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128 *
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129 * @param device the device on which to allocate the Transform
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130 * @param m11 the first element of the first row of the matrix
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131 * @param m12 the second element of the first row of the matrix
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132 * @param m21 the first element of the second row of the matrix
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133 * @param m22 the second element of the second row of the matrix
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134 * @param dx the third element of the first row of the matrix
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135 * @param dy the third element of the second row of the matrix
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136 *
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137 * @exception IllegalArgumentException <ul>
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138 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li>
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139 * </ul>
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140 * @exception DWTException <ul>
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141 * <li>ERROR_NO_GRAPHICS_LIBRARY - if advanced graphics are not available</li>
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142 * </ul>
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143 * @exception DWTError <ul>
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144 * <li>ERROR_NO_HANDLES if a handle for the Transform could not be obtained</li>
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145 * </ul>
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146 *
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147 * @see #dispose()
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148 */
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149 public this (Device device, float m11, float m12, float m21, float m22, float dx, float dy) {
0
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150 super(device);
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151 NSAutoreleasePool pool = null;
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152 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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153 try {
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154 handle = NSAffineTransform.transform();
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155 if (handle is null) DWT.error(DWT.ERROR_NO_HANDLES);
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156 handle.retain();
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157 setElements(m11, m12, m21, m22, dx, dy);
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158 init_();
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159 } finally {
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160 if (pool !is null) pool.release();
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161 }
0
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162 }
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163
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164 static float[] checkTransform(float[] elements) {
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165 if (elements is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
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166 if (elements.length < 6) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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167 return elements;
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168 }
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169
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170 void destroy() {
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171 handle.release();
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172 handle = null;
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173 }
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174
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175 /**
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176 * Fills the parameter with the values of the transformation matrix
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177 * that the receiver represents, in the order {m11, m12, m21, m22, dx, dy}.
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178 *
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179 * @param elements array to hold the matrix values
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180 *
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181 * @exception DWTException <ul>
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182 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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183 * </ul>
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184 * @exception IllegalArgumentException <ul>
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185 * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li>
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186 * <li>ERROR_INVALID_ARGUMENT - if the parameter is too small to hold the matrix values</li>
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187 * </ul>
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188 */
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189 public void getElements(float[] elements) {
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190 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
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191 if (elements is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
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192 if (elements.length < 6) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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193 NSAutoreleasePool pool = null;
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194 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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195 try {
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196 NSAffineTransformStruct struct_ = handle.transformStruct();
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197 elements[0] = cast(float)/*64*/struct_.m11;
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198 elements[1] = cast(float)/*64*/struct_.m12;
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199 elements[2] = cast(float)/*64*/struct_.m21;
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200 elements[3] = cast(float)/*64*/struct_.m22;
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201 elements[4] = cast(float)/*64*/struct_.tX;
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202 elements[5] = cast(float)/*64*/struct_.tY;
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203 } finally {
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204 if (pool !is null) pool.release();
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205 }
0
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206 }
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207
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208 /**
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209 * Modifies the receiver such that the matrix it represents becomes the
45
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210 * identity matrix.
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211 *
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212 * @exception DWTException <ul>
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213 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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214 * </ul>
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215 *
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216 * @since 3.4
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217 */
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218 public void identity() {
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219 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
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220 NSAutoreleasePool pool = null;
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221 try {
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222 NSAffineTransformStruct struct_ = NSAffineTransformStruct();
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223 struct_.m11 = 1;
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224 struct_.m22 = 1;
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225 handle.setTransformStruct(struct_);
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226 } finally {
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227 if (pool !is null) pool.release();
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228 }
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229 }
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230
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231 /**
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232 * Modifies the receiver such that the matrix it represents becomes
0
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233 * the mathematical inverse of the matrix it previously represented.
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234 *
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235 * @exception DWTException <ul>
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236 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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237 * <li>ERROR_CANNOT_INVERT_MATRIX - if the matrix is not invertible</li>
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238 * </ul>
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239 */
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240 public void invert() {
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241 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
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242 NSAutoreleasePool pool = null;
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243 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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244 try {
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245 NSAffineTransformStruct struct_ = handle.transformStruct();
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246 if ((struct_.m11 * struct_.m22 - struct_.m12 * struct_.m21) is 0) {
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247 DWT.error(DWT.ERROR_CANNOT_INVERT_MATRIX);
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248 }
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249 handle.invert();
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250 } finally {
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251 if (pool !is null) pool.release();
0
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252 }
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253 }
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254
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255 /**
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256 * Returns <code>true</code> if the Transform has been disposed,
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257 * and <code>false</code> otherwise.
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258 * <p>
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259 * This method gets the dispose state for the Transform.
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260 * When a Transform has been disposed, it is an error to
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261 * invoke any other method using the Transform.
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262 *
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263 * @return <code>true</code> when the Transform is disposed, and <code>false</code> otherwise
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264 */
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265 public bool isDisposed() {
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266 return handle is null;
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267 }
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268
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269 /**
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270 * Returns <code>true</code> if the Transform represents the identity matrix
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271 * and false otherwise.
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272 *
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273 * @return <code>true</code> if the receiver is an identity Transform, and <code>false</code> otherwise
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274 */
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275 public bool isIdentity() {
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276 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
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277 NSAutoreleasePool pool = null;
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278 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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279 try {
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280 NSAffineTransformStruct struct_ = handle.transformStruct();
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281 return struct_.m11 is 1 && struct_.m12 is 0 && struct_.m21 is 0 && struct_.m22 is 1 && struct_.tX is 0 && struct_.tY is 0;
45
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282 } finally {
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283 if (pool !is null) pool.release();
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284 }
0
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285 }
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286
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287 /**
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288 * Modifies the receiver such that the matrix it represents becomes the
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289 * the result of multiplying the matrix it previously represented by the
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290 * argument.
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291 *
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292 * @param matrix the matrix to multiply the receiver by
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293 *
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294 * @exception DWTException <ul>
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295 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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296 * </ul>
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297 * @exception IllegalArgumentException <ul>
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298 * <li>ERROR_NULL_ARGUMENT - if the parameter is null</li>
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299 * <li>ERROR_INVALID_ARGUMENT - if the parameter has been disposed</li>
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300 * </ul>
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301 */
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302 public void multiply(Transform matrix) {
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303 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
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304 if (matrix is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
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305 if (matrix.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
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306 NSAutoreleasePool pool = null;
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307 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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308 try {
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309 handle.prependTransform(matrix.handle);
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310 } finally {
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311 if (pool !is null) pool.release();
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312 }
0
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313 }
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314
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315 /**
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316 * Modifies the receiver so that it represents a transformation that is
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parents:
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317 * equivalent to its previous transformation rotated by the specified angle.
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parents:
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318 * The angle is specified in degrees and for the identity transform 0 degrees
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319 * is at the 3 o'clock position. A positive value indicates a clockwise rotation
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parents:
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320 * while a negative value indicates a counter-clockwise rotation.
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parents:
diff changeset
321 *
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322 * @param angle the angle to rotate the transformation by
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parents:
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323 *
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324 * @exception DWTException <ul>
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325 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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parents:
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326 * </ul>
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327 */
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parents:
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328 public void rotate(float angle) {
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parents:
diff changeset
329 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
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330 NSAutoreleasePool pool = null;
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cfa563df4fdd Updated Widget and Display to 3.514
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diff changeset
331 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
45
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332 try {
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333 handle.rotateByDegrees(angle);
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334 } finally {
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335 if (pool !is null) pool.release();
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336 }
0
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337 }
380af2bdd8e5 Upload of whole dwt tree
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parents:
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338
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339 /**
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340 * Modifies the receiver so that it represents a transformation that is
380af2bdd8e5 Upload of whole dwt tree
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341 * equivalent to its previous transformation scaled by (scaleX, scaleY).
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diff changeset
342 *
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343 * @param scaleX the amount to scale in the X direction
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344 * @param scaleY the amount to scale in the Y direction
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345 *
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346 * @exception DWTException <ul>
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347 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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parents:
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348 * </ul>
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349 */
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350 public void scale(float scaleX, float scaleY) {
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parents:
diff changeset
351 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
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diff changeset
352 NSAutoreleasePool pool = null;
46
cfa563df4fdd Updated Widget and Display to 3.514
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diff changeset
353 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
45
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diff changeset
354 try {
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diff changeset
355 handle.scaleXBy(scaleX, scaleY);
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356 } finally {
d8635bb48c7c Merge with SWT 3.5
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diff changeset
357 if (pool !is null) pool.release();
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diff changeset
358 }
0
380af2bdd8e5 Upload of whole dwt tree
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parents:
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359 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
360
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
361 /**
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
362 * Modifies the receiver to represent a new transformation given all of
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
363 * the elements that represent the matrix that describes that transformation.
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
364 *
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
365 * @param m11 the first element of the first row of the matrix
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
366 * @param m12 the second element of the first row of the matrix
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parents:
diff changeset
367 * @param m21 the first element of the second row of the matrix
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parents:
diff changeset
368 * @param m22 the second element of the second row of the matrix
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parents:
diff changeset
369 * @param dx the third element of the first row of the matrix
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parents:
diff changeset
370 * @param dy the third element of the second row of the matrix
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parents:
diff changeset
371 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
372 * @exception DWTException <ul>
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parents:
diff changeset
373 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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parents:
diff changeset
374 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
375 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
376 public void setElements(float m11, float m12, float m21, float m22, float dx, float dy) {
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
377 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
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parents: 36
diff changeset
378 NSAutoreleasePool pool = null;
d8635bb48c7c Merge with SWT 3.5
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parents: 36
diff changeset
379 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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parents: 36
diff changeset
380 try {
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parents: 36
diff changeset
381 NSAffineTransformStruct struct_ = NSAffineTransformStruct();
d8635bb48c7c Merge with SWT 3.5
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diff changeset
382 struct_.m11 = m11;
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diff changeset
383 struct_.m12 = m12;
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parents: 36
diff changeset
384 struct_.m21 = m21;
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diff changeset
385 struct_.m22 = m22;
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parents: 36
diff changeset
386 struct_.tX = dx;
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parents: 36
diff changeset
387 struct_.tY = dy;
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parents: 36
diff changeset
388 handle.setTransformStruct(struct_);
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parents: 36
diff changeset
389 } finally {
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
390 if (pool !is null) pool.release();
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
391 }
0
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
392 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
393
45
d8635bb48c7c Merge with SWT 3.5
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394 /**
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395 * Modifies the receiver so that it represents a transformation that is
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396 * equivalent to its previous transformation sheared by (shearX, shearY).
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397 *
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398 * @param shearX the shear factor in the X direction
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399 * @param shearY the shear factor in the Y direction
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400 *
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401 * @exception DWTException <ul>
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402 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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403 * </ul>
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parents: 36
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404 *
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405 * @since 3.4
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406 */
0
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parents:
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407 public void shear(float shearX, float shearY) {
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parents:
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408 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
d8635bb48c7c Merge with SWT 3.5
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409 NSAutoreleasePool pool = null;
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Jacob Carlborg <doob@me.com>
parents: 36
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410 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
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parents: 36
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411 try {
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parents: 36
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412 NSAffineTransformStruct struct_ = NSAffineTransformStruct();
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Jacob Carlborg <doob@me.com>
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413 struct_.m11 = 1;
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414 struct_.m12 = shearX;
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parents: 36
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415 struct_.m21 = shearY;
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parents: 36
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416 struct_.m22 = 1;
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parents: 36
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417 NSAffineTransform matrix = NSAffineTransform.transform();
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Jacob Carlborg <doob@me.com>
parents: 36
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418 matrix.setTransformStruct(struct_);
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Jacob Carlborg <doob@me.com>
parents: 36
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419 handle.prependTransform(matrix);
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parents: 36
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420 } finally {
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Jacob Carlborg <doob@me.com>
parents: 36
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421 if (pool !is null) pool.release();
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
422 }
0
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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423 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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424
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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425 /**
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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426 * Given an array containing points described by alternating x and y values,
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
427 * modify that array such that each point has been replaced with the result of
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
428 * applying the transformation represented by the receiver to that point.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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429 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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430 * @param pointArray an array of alternating x and y values to be transformed
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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431 *
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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432 * @exception IllegalArgumentException <ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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433 * <li>ERROR_NULL_ARGUMENT - if the point array is null</li>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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434 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
435 * @exception DWTException <ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
436 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
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437 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
438 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
439 public void transform(float[] pointArray) {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
440 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
441 if (pointArray is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
45
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
442 NSAutoreleasePool pool = null;
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
443 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
444 try {
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
445 NSPoint point = NSPoint();
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parents: 36
diff changeset
446 size_t length = pointArray.length / 2;
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
447 for (size_t i = 0, j = 0; i < length; i++, j += 2) {
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diff changeset
448 point.x = pointArray[j];
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parents: 36
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449 point.y = pointArray[j + 1];
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diff changeset
450 point = handle.transformPoint(point);
46
cfa563df4fdd Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
451 pointArray[j] = cast(float)/*64*/point.x;
cfa563df4fdd Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
452 pointArray[j + 1] = cast(float)/*64*/point.y;
45
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453 }
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454 } finally {
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
455 if (pool !is null) pool.release();
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
456 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
457 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
458
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
459 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
460 * Modifies the receiver so that it represents a transformation that is
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
461 * equivalent to its previous transformation translated by (offsetX, offsetY).
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
462 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
463 * @param offsetX the distance to translate in the X direction
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
464 * @param offsetY the distance to translate in the Y direction
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
465 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
466 * @exception DWTException <ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
467 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li>
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
468 * </ul>
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
469 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
470 public void translate(float offsetX, float offsetY) {
380af2bdd8e5 Upload of whole dwt tree
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parents:
diff changeset
471 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED);
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
472 NSAutoreleasePool pool = null;
46
cfa563df4fdd Updated Widget and Display to 3.514
Jacob Carlborg <doob@me.com>
parents: 45
diff changeset
473 if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
45
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
474 try {
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
475 handle.translateXBy(offsetX, offsetY);
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Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
476 } finally {
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
477 if (pool !is null) pool.release();
d8635bb48c7c Merge with SWT 3.5
Jacob Carlborg <doob@me.com>
parents: 36
diff changeset
478 }
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
479 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
480
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
481 /**
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
482 * Returns a string containing a concise, human-readable
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
483 * description of the receiver.
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
484 *
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
485 * @return a string representation of the receiver
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
486 */
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Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
487 public String toString() {
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
488 if (isDisposed()) return "Transform {*DISPOSED*}";
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
489 float[] elements = new float[6];
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
490 getElements(elements);
34
5123b17c98ef Ported dwt.events.*, dwt.graphics.GC, Region, dwt.internal.image.*
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents: 5
diff changeset
491 return Format("Transform {{}{}{}{}{}{}{}{}{}{}{}{}" , elements [0] , ", " , elements [1] , ", " ,elements [2] , ", " ,elements [3] , ", " ,elements [4] , ", " ,elements [5] , "}");
0
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
492 }
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
493
380af2bdd8e5 Upload of whole dwt tree
Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
parents:
diff changeset
494 }