Mercurial > projects > dwt-linux
annotate dwt/graphics/Image.d @ 238:380bad9f6852
reverted char[] to String
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 05 May 2008 00:42:55 +0200 |
| parents | 997624cece6a |
| children | ce446666f5a2 |
| rev | line source |
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| 72 | 1 /******************************************************************************* |
| 18 | 2 * Copyright (c) 2000, 2007 IBM Corporation and others. |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 72 | 10 * Port to the D programming language: |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 18 | 12 *******************************************************************************/ |
| 13 module dwt.graphics.Image; | |
| 14 | |
| 15 import dwt.internal.Converter; | |
| 19 | 16 import dwt.internal.cairo.Cairo; |
| 18 | 17 import dwt.internal.gtk.OS; |
| 71 | 18 import dwt.DWT; |
| 19 import dwt.DWTException; | |
| 18 | 20 import dwt.graphics.Color; |
| 21 import dwt.graphics.Device; | |
| 22 import dwt.graphics.Drawable; | |
| 23 import dwt.graphics.GC; | |
| 24 import dwt.graphics.GCData; | |
| 25 import dwt.graphics.ImageData; | |
| 26 import dwt.graphics.PaletteData; | |
| 27 import dwt.graphics.RGB; | |
| 28 import dwt.graphics.Rectangle; | |
| 29 import dwt.graphics.Resource; | |
| 30 | |
| 31 import dwt.dwthelper.InputStream; | |
|
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32 import dwt.dwthelper.utils; |
| 18 | 33 |
| 34 import tango.text.convert.Format; | |
| 35 import tango.stdc.string; | |
| 36 import tango.stdc.stringz; | |
| 37 | |
| 38 /** | |
| 39 * Instances of this class are graphics which have been prepared | |
| 40 * for display on a specific device. That is, they are ready | |
| 41 * to paint using methods such as <code>GC.drawImage()</code> | |
| 42 * and display on widgets with, for example, <code>Button.setImage()</code>. | |
| 43 * <p> | |
| 44 * If loaded from a file format that supports it, an | |
| 45 * <code>Image</code> may have transparency, meaning that certain | |
| 46 * pixels are specified as being transparent when drawn. Examples | |
| 47 * of file formats that support transparency are GIF and PNG. | |
| 48 * </p><p> | |
| 49 * There are two primary ways to use <code>Images</code>. | |
| 50 * The first is to load a graphic file from disk and create an | |
| 51 * <code>Image</code> from it. This is done using an <code>Image</code> | |
| 52 * constructor, for example: | |
| 53 * <pre> | |
| 54 * Image i = new Image(device, "C:\\graphic.bmp"); | |
| 55 * </pre> | |
| 56 * A graphic file may contain a color table specifying which | |
| 57 * colors the image was intended to possess. In the above example, | |
| 58 * these colors will be mapped to the closest available color in | |
| 71 | 59 * DWT. It is possible to get more control over the mapping of |
| 18 | 60 * colors as the image is being created, using code of the form: |
| 61 * <pre> | |
| 62 * ImageData data = new ImageData("C:\\graphic.bmp"); | |
| 63 * RGB[] rgbs = data.getRGBs(); | |
| 64 * // At this point, rgbs contains specifications of all | |
| 65 * // the colors contained within this image. You may | |
| 66 * // allocate as many of these colors as you wish by | |
| 67 * // using the Color constructor Color(RGB), then | |
| 68 * // create the image: | |
| 69 * Image i = new Image(device, data); | |
| 70 * </pre> | |
| 71 * <p> | |
| 72 * Applications which require even greater control over the image | |
| 73 * loading process should use the support provided in class | |
| 74 * <code>ImageLoader</code>. | |
| 75 * </p><p> | |
| 76 * Application code must explicitly invoke the <code>Image.dispose()</code> | |
| 77 * method to release the operating system resources managed by each instance | |
| 78 * when those instances are no longer required. | |
| 79 * </p> | |
| 80 * | |
| 81 * @see Color | |
| 82 * @see ImageData | |
| 83 * @see ImageLoader | |
| 84 */ | |
| 85 public final class Image : Resource, Drawable { | |
| 86 | |
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87 /** |
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88 * specifies whether the receiver is a bitmap or an icon |
| 71 | 89 * (one of <code>DWT.BITMAP</code>, <code>DWT.ICON</code>) |
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90 * <p> |
| 71 | 91 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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92 * public API. It is marked public only so that it can be shared |
| 71 | 93 * within the packages provided by DWT. It is not available on all |
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94 * platforms and should never be accessed from application code. |
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95 * </p> |
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96 */ |
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97 public int type; |
| 18 | 98 |
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99 /** |
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100 * The handle to the OS pixmap resource. |
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101 * (Warning: This field is platform dependent) |
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102 * <p> |
| 71 | 103 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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104 * public API. It is marked public only so that it can be shared |
| 71 | 105 * within the packages provided by DWT. It is not available on all |
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106 * platforms and should never be accessed from application code. |
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107 * </p> |
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108 */ |
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109 public GdkDrawable* pixmap; |
| 18 | 110 |
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111 /** |
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112 * The handle to the OS mask resource. |
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113 * (Warning: This field is platform dependent) |
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114 * <p> |
| 71 | 115 * <b>IMPORTANT:</b> This field is <em>not</em> part of the DWT |
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116 * public API. It is marked public only so that it can be shared |
| 71 | 117 * within the packages provided by DWT. It is not available on all |
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118 * platforms and should never be accessed from application code. |
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119 * </p> |
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120 */ |
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121 public GdkDrawable* mask; |
| 18 | 122 |
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123 cairo_surface_t* surface; |
| 18 | 124 cairo_surface_t* surfaceData; |
| 125 | |
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126 /** |
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127 * specifies the transparent pixel |
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128 */ |
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129 int transparentPixel = -1; |
| 18 | 130 |
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131 /** |
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132 * The GC the image is currently selected in. |
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133 */ |
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134 GC memGC; |
| 18 | 135 |
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136 /** |
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137 * The alpha data of the image. |
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138 */ |
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139 byte[] alphaData; |
| 18 | 140 |
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141 /** |
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142 * The global alpha value to be used for every pixel. |
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143 */ |
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144 int alpha = -1; |
| 18 | 145 |
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146 /** |
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147 * The width of the image. |
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148 */ |
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149 int width = -1; |
| 18 | 150 |
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151 /** |
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152 * The height of the image. |
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153 */ |
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154 int height = -1; |
| 18 | 155 |
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156 /** |
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157 * Specifies the default scanline padding. |
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158 */ |
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159 static const int DEFAULT_SCANLINE_PAD = 4; |
| 18 | 160 |
| 161 this() { | |
| 162 } | |
| 163 | |
| 164 /** | |
| 165 * Constructs an empty instance of this class with the | |
| 166 * specified width and height. The result may be drawn upon | |
| 167 * by creating a GC and using any of its drawing operations, | |
| 168 * as shown in the following example: | |
| 169 * <pre> | |
| 170 * Image i = new Image(device, width, height); | |
| 171 * GC gc = new GC(i); | |
| 172 * gc.drawRectangle(0, 0, 50, 50); | |
| 173 * gc.dispose(); | |
| 174 * </pre> | |
| 175 * <p> | |
| 176 * Note: Some platforms may have a limitation on the size | |
| 177 * of image that can be created (size depends on width, height, | |
| 178 * and depth). For example, Windows 95, 98, and ME do not allow | |
| 179 * images larger than 16M. | |
| 180 * </p> | |
| 181 * | |
| 182 * @param device the device on which to create the image | |
| 183 * @param width the width of the new image | |
| 184 * @param height the height of the new image | |
| 185 * | |
| 186 * @exception IllegalArgumentException <ul> | |
| 187 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 188 * <li>ERROR_INVALID_ARGUMENT - if either the width or height is negative or zero</li> | |
| 189 * </ul> | |
| 71 | 190 * @exception DWTError <ul> |
| 18 | 191 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 192 * </ul> | |
| 193 */ | |
| 194 public this(Device device, int width, int height) { | |
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195 if (device is null) device = Device.getDevice(); |
| 71 | 196 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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197 init_(device, width, height); |
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198 if (device.tracking) device.new_Object(this); |
| 18 | 199 } |
| 200 | |
| 201 /** | |
| 202 * Constructs a new instance of this class based on the | |
| 203 * provided image, with an appearance that varies depending | |
| 204 * on the value of the flag. The possible flag values are: | |
| 205 * <dl> | |
| 206 * <dt><b>IMAGE_COPY</b></dt> | |
| 207 * <dd>the result is an identical copy of srcImage</dd> | |
| 208 * <dt><b>IMAGE_DISABLE</b></dt> | |
| 209 * <dd>the result is a copy of srcImage which has a <em>disabled</em> look</dd> | |
| 210 * <dt><b>IMAGE_GRAY</b></dt> | |
| 211 * <dd>the result is a copy of srcImage which has a <em>gray scale</em> look</dd> | |
| 212 * </dl> | |
| 213 * | |
| 214 * @param device the device on which to create the image | |
| 215 * @param srcImage the image to use as the source | |
| 216 * @param flag the style, either <code>IMAGE_COPY</code>, <code>IMAGE_DISABLE</code> or <code>IMAGE_GRAY</code> | |
| 217 * | |
| 218 * @exception IllegalArgumentException <ul> | |
| 219 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 220 * <li>ERROR_NULL_ARGUMENT - if srcImage is null</li> | |
| 221 * <li>ERROR_INVALID_ARGUMENT - if the flag is not one of <code>IMAGE_COPY</code>, <code>IMAGE_DISABLE</code> or <code>IMAGE_GRAY</code></li> | |
| 222 * <li>ERROR_INVALID_ARGUMENT - if the image has been disposed</li> | |
| 223 * </ul> | |
| 71 | 224 * @exception DWTException <ul> |
| 18 | 225 * <li>ERROR_INVALID_IMAGE - if the image is not a bitmap or an icon, or is otherwise in an invalid state</li> |
| 226 * <li>ERROR_UNSUPPORTED_DEPTH - if the depth of the image is not supported</li> | |
| 227 * </ul> | |
| 71 | 228 * @exception DWTError <ul> |
| 18 | 229 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 230 * </ul> | |
| 231 */ | |
| 232 public this(Device device, Image srcImage, int flag) { | |
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233 if (device is null) device = Device.getDevice(); |
| 71 | 234 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
| 235 if (srcImage is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 236 if (srcImage.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
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237 switch (flag) { |
| 71 | 238 case DWT.IMAGE_COPY: |
| 239 case DWT.IMAGE_DISABLE: | |
| 240 case DWT.IMAGE_GRAY: | |
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241 break; |
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242 default: |
| 71 | 243 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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244 } |
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245 this.device = device; |
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246 this.type = srcImage.type; |
| 18 | 247 |
|
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248 /* Get source image size */ |
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249 int w, h; |
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250 OS.gdk_drawable_get_size(srcImage.pixmap, &w, &h); |
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251 int width = w; |
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252 int height = h; |
| 18 | 253 |
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254 /* Copy the mask */ |
| 131 | 255 if ((srcImage.type is DWT.ICON && srcImage.mask !is null ) || srcImage.transparentPixel !is -1) { |
|
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256 /* Generate the mask if necessary. */ |
| 131 | 257 if (srcImage.transparentPixel !is -1) srcImage.createMask(); |
| 18 | 258 //PORTING_FIXME cast |
|
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259 GdkDrawable* mask = cast(GdkDrawable*) OS.gdk_pixmap_new( null, width, height, 1); |
| 71 | 260 if (mask is null ) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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261 auto gdkGC = OS.gdk_gc_new(mask); |
| 71 | 262 if (gdkGC is null) DWT.error(DWT.ERROR_NO_HANDLES); |
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263 OS.gdk_draw_drawable(mask, gdkGC, srcImage.mask, 0, 0, 0, 0, width, height); |
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264 OS.g_object_unref(gdkGC); |
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265 this.mask = mask; |
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266 /* Destroy the image mask if the there is a GC created on the image */ |
| 131 | 267 if (srcImage.transparentPixel !is -1 && srcImage.memGC !is null) srcImage.destroyMask(); |
|
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268 } |
| 18 | 269 |
|
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270 /* Copy transparent pixel and alpha data */ |
| 131 | 271 if (flag !is DWT.IMAGE_DISABLE) transparentPixel = srcImage.transparentPixel; |
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272 alpha = srcImage.alpha; |
| 131 | 273 if (srcImage.alphaData !is null) { |
|
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274 alphaData = new byte[srcImage.alphaData.length]; |
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275 System.arraycopy(srcImage.alphaData, 0, alphaData, 0, alphaData.length); |
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276 } |
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277 createAlphaMask(width, height); |
| 18 | 278 |
|
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279 /* Create the new pixmap */ |
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280 auto pixmap = cast(GdkDrawable*) OS.gdk_pixmap_new (cast(GdkDrawable*)OS.GDK_ROOT_PARENT(), width, height, -1); |
| 71 | 281 if (pixmap is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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282 auto gdkGC = OS.gdk_gc_new(pixmap); |
| 71 | 283 if (gdkGC is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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284 this.pixmap = pixmap; |
| 18 | 285 |
| 131 | 286 if (flag is DWT.IMAGE_COPY) { |
|
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287 OS.gdk_draw_drawable(pixmap, gdkGC, srcImage.pixmap, 0, 0, 0, 0, width, height); |
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288 OS.g_object_unref(gdkGC); |
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289 if (device.tracking) device.new_Object(this); |
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290 return; |
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291 } |
| 18 | 292 |
|
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293 /* Retrieve the source pixmap data */ |
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294 auto pixbuf = OS.gdk_pixbuf_new(OS.GDK_COLORSPACE_RGB, false, 8, width, height); |
| 71 | 295 if (pixbuf is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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296 auto colormap = OS.gdk_colormap_get_system(); |
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297 OS.gdk_pixbuf_get_from_drawable(pixbuf, srcImage.pixmap, colormap, 0, 0, 0, 0, width, height); |
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298 int stride = OS.gdk_pixbuf_get_rowstride(pixbuf); |
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299 auto pixels = OS.gdk_pixbuf_get_pixels(pixbuf); |
| 18 | 300 |
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301 /* Apply transformation */ |
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302 switch (flag) { |
| 71 | 303 case DWT.IMAGE_DISABLE: { |
| 304 Color zeroColor = device.getSystemColor(DWT.COLOR_WIDGET_NORMAL_SHADOW); | |
|
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305 RGB zeroRGB = zeroColor.getRGB(); |
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306 byte zeroRed = cast(byte)zeroRGB.red; |
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307 byte zeroGreen = cast(byte)zeroRGB.green; |
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308 byte zeroBlue = cast(byte)zeroRGB.blue; |
| 71 | 309 Color oneColor = device.getSystemColor(DWT.COLOR_WIDGET_BACKGROUND); |
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310 RGB oneRGB = oneColor.getRGB(); |
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311 byte oneRed = cast(byte)oneRGB.red; |
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312 byte oneGreen = cast(byte)oneRGB.green; |
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313 byte oneBlue = cast(byte)oneRGB.blue; |
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314 byte[] line = new byte[stride]; |
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315 for (int y=0; y<height; y++) { |
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316 memmove(line.ptr, pixels + (y * stride), stride); |
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317 for (int x=0; x<width; x++) { |
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318 int offset = x*3; |
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319 int red = line[offset] & 0xFF; |
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320 int green = line[offset+1] & 0xFF; |
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321 int blue = line[offset+2] & 0xFF; |
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322 int intensity = red * red + green * green + blue * blue; |
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323 if (intensity < 98304) { |
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324 line[offset] = zeroRed; |
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325 line[offset+1] = zeroGreen; |
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326 line[offset+2] = zeroBlue; |
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327 } else { |
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328 line[offset] = oneRed; |
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329 line[offset+1] = oneGreen; |
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330 line[offset+2] = oneBlue; |
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331 } |
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332 } |
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333 memmove(pixels + (y * stride), line.ptr, stride); |
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334 } |
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335 break; |
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336 } |
| 71 | 337 case DWT.IMAGE_GRAY: { |
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338 byte[] line = new byte[stride]; |
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339 for (int y=0; y<height; y++) { |
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340 memmove(line.ptr, pixels + (y * stride), stride); |
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341 for (int x=0; x<width; x++) { |
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342 int offset = x*3; |
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343 int red = line[offset] & 0xFF; |
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344 int green = line[offset+1] & 0xFF; |
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345 int blue = line[offset+2] & 0xFF; |
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346 byte intensity = cast(byte)((red+red+green+green+green+green+green+blue) >> 3); |
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347 line[offset] = line[offset+1] = line[offset+2] = intensity; |
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348 } |
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349 memmove(pixels + (y * stride), line.ptr, stride); |
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350 } |
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351 break; |
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352 } |
|
55
93981635e709
Checked and inserted missing default switch cases.
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353 default: |
|
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354 } |
| 18 | 355 |
|
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356 /* Copy data back to destination pixmap */ |
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357 OS.gdk_pixbuf_render_to_drawable(pixbuf, pixmap, gdkGC, 0, 0, 0, 0, width, height, OS.GDK_RGB_DITHER_NORMAL, 0, 0); |
| 18 | 358 |
|
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359 /* Free resources */ |
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360 OS.g_object_unref(pixbuf); |
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361 OS.g_object_unref(gdkGC); |
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362 if (device.tracking) device.new_Object(this); |
| 18 | 363 } |
| 364 | |
| 365 /** | |
| 366 * Constructs an empty instance of this class with the | |
| 367 * width and height of the specified rectangle. The result | |
| 368 * may be drawn upon by creating a GC and using any of its | |
| 369 * drawing operations, as shown in the following example: | |
| 370 * <pre> | |
| 371 * Image i = new Image(device, boundsRectangle); | |
| 372 * GC gc = new GC(i); | |
| 373 * gc.drawRectangle(0, 0, 50, 50); | |
| 374 * gc.dispose(); | |
| 375 * </pre> | |
| 376 * <p> | |
| 377 * Note: Some platforms may have a limitation on the size | |
| 378 * of image that can be created (size depends on width, height, | |
| 379 * and depth). For example, Windows 95, 98, and ME do not allow | |
| 380 * images larger than 16M. | |
| 381 * </p> | |
| 382 * | |
| 383 * @param device the device on which to create the image | |
| 384 * @param bounds a rectangle specifying the image's width and height (must not be null) | |
| 385 * | |
| 386 * @exception IllegalArgumentException <ul> | |
| 387 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 388 * <li>ERROR_NULL_ARGUMENT - if the bounds rectangle is null</li> | |
| 389 * <li>ERROR_INVALID_ARGUMENT - if either the rectangle's width or height is negative</li> | |
| 390 * </ul> | |
| 71 | 391 * @exception DWTError <ul> |
| 18 | 392 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 393 * </ul> | |
| 394 */ | |
| 395 public this(Device device, Rectangle bounds) { | |
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396 if (device is null) device = Device.getDevice(); |
| 71 | 397 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
| 398 if (bounds is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
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399 init_(device, bounds.width, bounds.height); |
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400 if (device.tracking) device.new_Object(this); |
| 18 | 401 } |
| 402 | |
| 403 /** | |
| 404 * Constructs an instance of this class from the given | |
| 405 * <code>ImageData</code>. | |
| 406 * | |
| 407 * @param device the device on which to create the image | |
| 408 * @param data the image data to create the image from (must not be null) | |
| 409 * | |
| 410 * @exception IllegalArgumentException <ul> | |
| 411 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 412 * <li>ERROR_NULL_ARGUMENT - if the image data is null</li> | |
| 413 * </ul> | |
| 71 | 414 * @exception DWTException <ul> |
| 18 | 415 * <li>ERROR_UNSUPPORTED_DEPTH - if the depth of the ImageData is not supported</li> |
| 416 * </ul> | |
| 71 | 417 * @exception DWTError <ul> |
| 18 | 418 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 419 * </ul> | |
| 420 */ | |
| 421 public this(Device device, ImageData data) { | |
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422 if (device is null) device = Device.getDevice(); |
| 71 | 423 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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424 init_(device, data); |
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425 if (device.tracking) device.new_Object(this); |
| 18 | 426 } |
| 427 | |
| 428 /** | |
| 429 * Constructs an instance of this class, whose type is | |
| 71 | 430 * <code>DWT.ICON</code>, from the two given <code>ImageData</code> |
| 18 | 431 * objects. The two images must be the same size. Pixel transparency |
| 432 * in either image will be ignored. | |
| 433 * <p> | |
| 434 * The mask image should contain white wherever the icon is to be visible, | |
| 435 * and black wherever the icon is to be transparent. In addition, | |
| 436 * the source image should contain black wherever the icon is to be | |
| 437 * transparent. | |
| 438 * </p> | |
| 439 * | |
| 440 * @param device the device on which to create the icon | |
| 441 * @param source the color data for the icon | |
| 442 * @param mask the mask data for the icon | |
| 443 * | |
| 444 * @exception IllegalArgumentException <ul> | |
| 445 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 446 * <li>ERROR_NULL_ARGUMENT - if either the source or mask is null </li> | |
| 447 * <li>ERROR_INVALID_ARGUMENT - if source and mask are different sizes</li> | |
| 448 * </ul> | |
| 71 | 449 * @exception DWTError <ul> |
| 18 | 450 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 451 * </ul> | |
| 452 */ | |
| 453 public this(Device device, ImageData source, ImageData mask) { | |
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454 if (device is null) device = Device.getDevice(); |
| 71 | 455 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
| 456 if (source is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 457 if (mask is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 131 | 458 if (source.width !is mask.width || source.height !is mask.height) { |
| 71 | 459 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
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460 } |
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461 mask = ImageData.convertMask (mask); |
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462 ImageData image = new ImageData(source.width, source.height, source.depth, source.palette, source.scanlinePad, source.data); |
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463 image.maskPad = mask.scanlinePad; |
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464 image.maskData = mask.data; |
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465 init_(device, image); |
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466 if (device.tracking) device.new_Object(this); |
| 18 | 467 } |
| 468 | |
| 469 /** | |
| 470 * Constructs an instance of this class by loading its representation | |
| 471 * from the specified input stream. Throws an error if an error | |
| 472 * occurs while loading the image, or if the result is an image | |
| 473 * of an unsupported type. Application code is still responsible | |
| 474 * for closing the input stream. | |
| 475 * <p> | |
| 476 * This constructor is provided for convenience when loading a single | |
| 477 * image only. If the stream contains multiple images, only the first | |
| 478 * one will be loaded. To load multiple images, use | |
| 479 * <code>ImageLoader.load()</code>. | |
| 480 * </p><p> | |
| 481 * This constructor may be used to load a resource as follows: | |
| 482 * </p> | |
| 483 * <pre> | |
| 484 * static Image loadImage (Display display, Class clazz, String string) { | |
| 485 * InputStream stream = clazz.getResourceAsStream (string); | |
| 486 * if (stream is null) return null; | |
| 487 * Image image = null; | |
| 488 * try { | |
| 489 * image = new Image (display, stream); | |
| 71 | 490 * } catch (DWTException ex) { |
| 18 | 491 * } finally { |
| 492 * try { | |
| 493 * stream.close (); | |
| 494 * } catch (IOException ex) {} | |
| 495 * } | |
| 496 * return image; | |
| 497 * } | |
| 498 * </pre> | |
| 499 * | |
| 500 * @param device the device on which to create the image | |
| 501 * @param stream the input stream to load the image from | |
| 502 * | |
| 503 * @exception IllegalArgumentException <ul> | |
| 504 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 505 * <li>ERROR_NULL_ARGUMENT - if the stream is null</li> | |
| 506 * </ul> | |
| 71 | 507 * @exception DWTException <ul> |
| 18 | 508 * <li>ERROR_IO - if an IO error occurs while reading from the stream</li> |
| 509 * <li>ERROR_INVALID_IMAGE - if the image stream contains invalid data </li> | |
| 510 * <li>ERROR_UNSUPPORTED_DEPTH - if the image stream describes an image with an unsupported depth</li> | |
| 511 * <li>ERROR_UNSUPPORTED_FORMAT - if the image stream contains an unrecognized format</li> | |
| 512 * </ul> | |
| 71 | 513 * @exception DWTError <ul> |
| 18 | 514 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 515 * </ul> | |
| 516 */ | |
| 517 public this(Device device, InputStream stream) { | |
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518 if (device is null) device = Device.getDevice(); |
| 71 | 519 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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520 init_(device, new ImageData(stream)); |
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521 if (device.tracking) device.new_Object(this); |
| 18 | 522 } |
| 523 | |
| 524 /** | |
| 525 * Constructs an instance of this class by loading its representation | |
| 526 * from the file with the specified name. Throws an error if an error | |
| 527 * occurs while loading the image, or if the result is an image | |
| 528 * of an unsupported type. | |
| 529 * <p> | |
| 530 * This constructor is provided for convenience when loading | |
| 531 * a single image only. If the specified file contains | |
| 532 * multiple images, only the first one will be used. | |
| 533 * | |
| 534 * @param device the device on which to create the image | |
| 535 * @param filename the name of the file to load the image from | |
| 536 * | |
| 537 * @exception IllegalArgumentException <ul> | |
| 538 * <li>ERROR_NULL_ARGUMENT - if device is null and there is no current device</li> | |
| 539 * <li>ERROR_NULL_ARGUMENT - if the file name is null</li> | |
| 540 * </ul> | |
| 71 | 541 * @exception DWTException <ul> |
| 18 | 542 * <li>ERROR_IO - if an IO error occurs while reading from the file</li> |
| 543 * <li>ERROR_INVALID_IMAGE - if the image file contains invalid data </li> | |
| 544 * <li>ERROR_UNSUPPORTED_DEPTH - if the image file describes an image with an unsupported depth</li> | |
| 545 * <li>ERROR_UNSUPPORTED_FORMAT - if the image file contains an unrecognized format</li> | |
| 546 * </ul> | |
| 71 | 547 * @exception DWTError <ul> |
| 18 | 548 * <li>ERROR_NO_HANDLES if a handle could not be obtained for image creation</li> |
| 549 * </ul> | |
| 550 */ | |
| 238 | 551 public this(Device device, String filename) { |
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552 if (device is null) device = Device.getDevice(); |
| 71 | 553 if (device is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
| 554 if (filename is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
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555 this.device = device; |
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556 try { |
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557 int length = filename.length; |
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558 auto pixbuf = OS.gdk_pixbuf_new_from_file(toStringz(filename), null); |
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559 if (pixbuf !is null) { |
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560 bool hasAlpha = cast(bool)OS.gdk_pixbuf_get_has_alpha(pixbuf); |
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561 if (hasAlpha) { |
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562 /* |
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563 * Bug in GTK. Depending on the image (seems to affect images that have |
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564 * some degree of transparency all over the image), gdk_pixbuff_render_pixmap_and_mask() |
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565 * will return a corrupt pixmap. To avoid this, read in and store the alpha channel data |
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566 * for the image and then set it to 0xFF to prevent any possible corruption from |
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567 * gdk_pixbuff_render_pixmap_and_mask(). |
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568 */ |
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569 int width = OS.gdk_pixbuf_get_width(pixbuf); |
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570 int height = OS.gdk_pixbuf_get_height(pixbuf); |
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571 int stride = OS.gdk_pixbuf_get_rowstride(pixbuf); |
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572 auto pixels = OS.gdk_pixbuf_get_pixels(pixbuf); |
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573 byte[] line = new byte[stride]; |
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574 alphaData = new byte[width * height]; |
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575 for (int y = 0; y < height; y++) { |
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576 memmove(line.ptr, pixels + (y * stride), stride); |
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577 for (int x = 0; x < width; x++) { |
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578 alphaData[y*width+x] = line[x*4 + 3]; |
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579 line[x*4 + 3] = cast(byte) 0xFF; |
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580 } |
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581 memmove(pixels + (y * stride), line.ptr, stride); |
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582 } |
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583 createAlphaMask(width, height); |
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584 } |
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585 GdkPixmap* pixmap_return; |
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586 OS.gdk_pixbuf_render_pixmap_and_mask(pixbuf, &pixmap_return, null, 0); |
| 71 | 587 this.type = DWT.BITMAP; |
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588 this.pixmap = cast(GdkDrawable*)pixmap_return; |
| 71 | 589 if (pixmap is null) DWT.error(DWT.ERROR_NO_HANDLES); |
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590 OS.g_object_unref (pixbuf); |
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591 return; |
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592 } |
| 71 | 593 } catch (DWTException e) {} |
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594 init_(device, new ImageData(filename)); |
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595 if (device.tracking) device.new_Object(this); |
| 18 | 596 } |
| 597 | |
| 598 void createAlphaMask (int width, int height) { | |
| 131 | 599 if (device.useXRender && (alpha !is -1 || alphaData !is null)) { |
| 600 mask = cast(GdkDrawable*)OS.gdk_pixmap_new(null, alpha !is -1 ? 1 : width, alpha !is -1 ? 1 : height, 8); | |
| 71 | 601 if (mask is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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602 auto gc = OS.gdk_gc_new(mask); |
| 131 | 603 if (alpha !is -1) { |
|
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604 GdkColor* color = new GdkColor(); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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605 color.pixel = (alpha & 0xFF) << 8 | (alpha & 0xFF); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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606 OS.gdk_gc_set_foreground(gc, color); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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607 OS.gdk_draw_rectangle(mask, gc, 1, 0, 0, 1, 1); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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608 } else { |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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609 GdkImage* imagePtr = OS.gdk_drawable_get_image(mask, 0, 0, width, height); |
| 71 | 610 if (imagePtr is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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611 GdkImage* gdkImage = new GdkImage(); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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612 *gdkImage = *imagePtr; |
| 131 | 613 if (gdkImage.bpl is width) { |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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614 memmove(gdkImage.mem, alphaData.ptr, alphaData.length); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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615 } else { |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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616 byte[] line = new byte[gdkImage.bpl]; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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617 for (int y = 0; y < height; y++) { |
|
25
fc2b263b8a3f
Merged back the System.arraycopy and use a System class
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changeset
|
618 System.arraycopy(alphaData, width * y, line, 0, width); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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619 memmove(gdkImage.mem + (gdkImage.bpl * y), line.ptr, gdkImage.bpl); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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620 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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621 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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622 OS.gdk_draw_image(mask, gc, imagePtr, 0, 0, 0, 0, width, height); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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623 OS.g_object_unref(imagePtr); |
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624 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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625 OS.g_object_unref(gc); |
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626 } |
| 18 | 627 } |
| 628 | |
| 629 /** | |
| 630 * Create the receiver's mask if necessary. | |
| 631 */ | |
| 632 void createMask() { | |
|
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633 if (mask !is null ) return; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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634 mask = createMask(getImageData(), false); |
| 71 | 635 if (mask is null ) DWT.error(DWT.ERROR_NO_HANDLES); |
| 18 | 636 } |
| 637 | |
| 638 GdkDrawable* createMask(ImageData image, bool copy) { | |
|
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639 ImageData mask = image.getTransparencyMask(); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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640 byte[] data = mask.data; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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641 byte[] maskData = copy ? new byte[data.length] : data; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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642 for (int i = 0; i < maskData.length; i++) { |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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643 byte s = data[i]; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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644 maskData[i] = cast(byte)(((s & 0x80) >> 7) | ((s & 0x40) >> 5) | |
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645 ((s & 0x20) >> 3) | ((s & 0x10) >> 1) | ((s & 0x08) << 1) | |
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646 ((s & 0x04) << 3) | ((s & 0x02) << 5) | ((s & 0x01) << 7)); |
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8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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647 } |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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648 maskData = ImageData.convertPad(maskData, mask.width, mask.height, mask.depth, mask.scanlinePad, 1); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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649 return cast(GdkDrawable*)OS.gdk_bitmap_create_from_data(null, cast(char*)maskData.ptr, mask.width, mask.height); |
| 18 | 650 } |
| 651 | |
| 652 void createSurface() { | |
|
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653 if (surface !is null ) return; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
654 /* Generate the mask if necessary. */ |
| 131 | 655 if (transparentPixel !is -1) createMask(); |
|
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656 int w, h; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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657 OS.gdk_drawable_get_size(pixmap, &w, &h); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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658 int width = w, height = h; |
| 131 | 659 if (mask !is null || alpha !is -1 || alphaData !is null) { |
|
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660 auto pixbuf = OS.gdk_pixbuf_new( OS.GDK_COLORSPACE_RGB, true, 8, width, height); |
| 71 | 661 if (pixbuf is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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662 auto colormap = OS.gdk_colormap_get_system(); |
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663 OS.gdk_pixbuf_get_from_drawable(pixbuf, pixmap, colormap, 0, 0, 0, 0, width, height); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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664 int stride = OS.gdk_pixbuf_get_rowstride(pixbuf); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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665 auto pixels = OS.gdk_pixbuf_get_pixels(pixbuf); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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666 byte[] line = new byte[stride]; |
| 131 | 667 if (mask !is null && OS.gdk_drawable_get_depth(mask) is 1) { |
|
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668 auto maskPixbuf = OS.gdk_pixbuf_new(OS.GDK_COLORSPACE_RGB, false, 8, width, height); |
| 71 | 669 if (maskPixbuf is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
670 OS.gdk_pixbuf_get_from_drawable(maskPixbuf, mask, null, 0, 0, 0, 0, width, height); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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671 int maskStride = OS.gdk_pixbuf_get_rowstride(maskPixbuf); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
672 auto maskPixels = OS.gdk_pixbuf_get_pixels(maskPixbuf); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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673 byte[] maskLine = new byte[maskStride]; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
674 auto offset = pixels, maskOffset = maskPixels; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
675 for (int y=0; y<height; y++) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
676 memmove(line.ptr, offset, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
677 memmove(maskLine.ptr, maskOffset, maskStride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
678 for (int x=0, offset1=0; x<width; x++, offset1 += 4) { |
| 131 | 679 if (maskLine[x * 3] is 0) { |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
680 line[offset1 + 0] = line[offset1 + 1] = line[offset1 + 2] = line[offset1 + 3] = 0; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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681 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
682 byte temp = line[offset1]; |
|
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683 line[offset1] = line[offset1 + 2]; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
684 line[offset1 + 2] = temp; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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685 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
686 memmove(offset, line.ptr, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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687 offset += stride; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
688 maskOffset += maskStride; |
|
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689 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
690 OS.g_object_unref(maskPixbuf); |
| 131 | 691 } else if (alpha !is -1) { |
|
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692 auto offset = pixels; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
693 for (int y=0; y<height; y++) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
694 memmove(line.ptr, offset, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
695 for (int x=0, offset1=0; x<width; x++, offset1 += 4) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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696 line[offset1+3] = cast(byte)alpha; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
697 /* pre-multiplied alpha */ |
|
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698 int r = ((line[offset1 + 0] & 0xFF) * alpha) + 128; |
|
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|
699 r = (r + (r >> 8)) >> 8; |
|
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700 int g = ((line[offset1 + 1] & 0xFF) * alpha) + 128; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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701 g = (g + (g >> 8)) >> 8; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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702 int b = ((line[offset1 + 2] & 0xFF) * alpha) + 128; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
703 b = (b + (b >> 8)) >> 8; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
704 line[offset1 + 0] = cast(byte)b; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
705 line[offset1 + 1] = cast(byte)g; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
706 line[offset1 + 2] = cast(byte)r; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
707 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
708 memmove(offset, line.ptr, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
709 offset += stride; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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710 } |
| 131 | 711 } else if (alphaData !is null) { |
|
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|
712 auto offset = pixels; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
713 for (int y = 0; y < h; y++) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
714 memmove (line.ptr, offset, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
715 for (int x=0, offset1=0; x<width; x++, offset1 += 4) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
716 int alpha = alphaData [y*w+x] & 0xFF; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
717 line[offset1+3] = cast(byte)alpha; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
718 /* pre-multiplied alpha */ |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
719 int r = ((line[offset1 + 0] & 0xFF) * alpha) + 128; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
720 r = (r + (r >> 8)) >> 8; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
721 int g = ((line[offset1 + 1] & 0xFF) * alpha) + 128; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
722 g = (g + (g >> 8)) >> 8; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
723 int b = ((line[offset1 + 2] & 0xFF) * alpha) + 128; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
724 b = (b + (b >> 8)) >> 8; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
725 line[offset1 + 0] = cast(byte)b; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
726 line[offset1 + 1] = cast(byte)g; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
727 line[offset1 + 2] = cast(byte)r; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
728 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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parents:
55
diff
changeset
|
729 memmove (offset, line.ptr, stride); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
730 offset += stride; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
731 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
732 } else { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
733 auto offset = pixels; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
734 for (int y = 0; y < h; y++) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
735 memmove (line.ptr, offset, stride); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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parents:
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changeset
|
736 for (int x=0, offset1=0; x<width; x++, offset1 += 4) { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
737 line[offset1+3] = cast(byte)0xFF; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
738 byte temp = line[offset1]; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
739 line[offset1] = line[offset1 + 2]; |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
740 line[offset1 + 2] = temp; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
741 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
742 memmove (offset, line.ptr, stride); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
743 offset += stride; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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744 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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745 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
746 surfaceData = cast(cairo_surface_t*) OS.g_malloc(stride * height); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
747 memmove(surfaceData, pixels, stride * height); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
748 surface = Cairo.cairo_image_surface_create_for_data(cast(char*)surfaceData, Cairo.CAIRO_FORMAT_ARGB32, width, height, stride); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
749 OS.g_object_unref(pixbuf); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
750 } else { |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
751 auto xDisplay = OS.GDK_DISPLAY(); |
|
8cec8f536af3
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|
752 auto xDrawable = OS.GDK_PIXMAP_XID(pixmap); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
753 auto xVisual = OS.gdk_x11_visual_get_xvisual(OS.gdk_visual_get_system()); |
| 19 | 754 // PORTING_FIXME cast and types not good |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
755 surface = Cairo.cairo_xlib_surface_create(cast(void*)xDisplay, xDrawable, xVisual, width, height); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
756 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
757 /* Destroy the image mask if the there is a GC created on the image */ |
| 131 | 758 if (transparentPixel !is -1 && memGC !is null) destroyMask(); |
| 18 | 759 } |
| 760 | |
| 761 /** | |
| 762 * Destroy the receiver's mask if it exists. | |
| 763 */ | |
| 764 void destroyMask() { | |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
765 if (mask is null) return; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
766 OS.g_object_unref(mask); |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
767 mask = null; |
| 18 | 768 } |
| 769 | |
| 770 /** | |
| 771 * Disposes of the operating system resources associated with | |
| 772 * the image. Applications must dispose of all images which | |
| 773 * they allocate. | |
| 774 */ | |
|
150
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reworked overrides and superclass aliases
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131
diff
changeset
|
775 public override void dispose () { |
|
59
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
776 if (pixmap is null) return; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
777 if (device.isDisposed()) return; |
| 131 | 778 if (memGC !is null) memGC.dispose(); |
|
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changeset
|
779 if (pixmap !is null) OS.g_object_unref(pixmap); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
780 if (mask !is null) OS.g_object_unref(mask); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
781 if (surface !is null) Cairo.cairo_surface_destroy(surface); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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parents:
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changeset
|
782 if (surfaceData !is null) OS.g_free(surfaceData); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
783 surfaceData = null; |
| 19 | 784 surface = null; |
| 785 pixmap = null; | |
| 786 mask = null; | |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
787 memGC = null; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
788 if (device.tracking) device.dispose_Object(this); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
789 device = null; |
| 18 | 790 } |
| 791 | |
| 792 /** | |
| 793 * Compares the argument to the receiver, and returns true | |
| 794 * if they represent the <em>same</em> object using a class | |
| 795 * specific comparison. | |
| 796 * | |
| 797 * @param object the object to compare with this object | |
| 798 * @return <code>true</code> if the object is the same as this object and <code>false</code> otherwise | |
| 799 * | |
| 800 * @see #hashCode | |
| 801 */ | |
|
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changeset
|
802 public override int opEquals (Object object) { |
|
59
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
803 if (object is this) return true; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
804 if ( auto image = cast(Image)object ){ |
| 18 | 805 return device is image.device && pixmap is image.pixmap; |
| 806 } | |
| 807 return false; | |
| 808 } | |
| 809 | |
| 810 /** | |
| 811 * Returns the color to which to map the transparent pixel, or null if | |
| 812 * the receiver has no transparent pixel. | |
| 813 * <p> | |
| 814 * There are certain uses of Images that do not support transparency | |
| 815 * (for example, setting an image into a button or label). In these cases, | |
| 816 * it may be desired to simulate transparency by using the background | |
| 817 * color of the widget to paint the transparent pixels of the image. | |
| 818 * Use this method to check which color will be used in these cases | |
| 819 * in place of transparency. This value may be set with setBackground(). | |
| 820 * <p> | |
| 821 * | |
| 822 * @return the background color of the image, or null if there is no transparency in the image | |
| 823 * | |
| 71 | 824 * @exception DWTException <ul> |
| 18 | 825 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
| 826 * </ul> | |
| 827 */ | |
| 828 public Color getBackground() { | |
| 71 | 829 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 131 | 830 if (transparentPixel is -1) return null; |
|
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changeset
|
831 //NOT DONE |
|
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|
832 return null; |
| 18 | 833 } |
| 834 | |
| 835 /** | |
| 836 * Returns the bounds of the receiver. The rectangle will always | |
| 837 * have x and y values of 0, and the width and height of the | |
| 838 * image. | |
| 839 * | |
| 840 * @return a rectangle specifying the image's bounds | |
| 841 * | |
| 71 | 842 * @exception DWTException <ul> |
| 18 | 843 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
| 844 * <li>ERROR_INVALID_IMAGE - if the image is not a bitmap or an icon</li> | |
| 845 * </ul> | |
| 846 */ | |
| 847 public Rectangle getBounds() { | |
| 71 | 848 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 131 | 849 if (width !is -1 && height !is -1) { |
|
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changeset
|
850 return new Rectangle(0, 0, width, height); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
851 } |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
852 int w; int h; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
853 OS.gdk_drawable_get_size(pixmap, &w, &h); |
|
8cec8f536af3
All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
854 return new Rectangle(0, 0, width = w, height = h); |
| 18 | 855 } |
| 856 | |
| 857 /** | |
| 858 * Returns an <code>ImageData</code> based on the receiver | |
| 859 * Modifications made to this <code>ImageData</code> will not | |
| 860 * affect the Image. | |
| 861 * | |
| 862 * @return an <code>ImageData</code> containing the image's data and attributes | |
| 863 * | |
| 71 | 864 * @exception DWTException <ul> |
| 18 | 865 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
| 866 * <li>ERROR_INVALID_IMAGE - if the image is not a bitmap or an icon</li> | |
| 867 * </ul> | |
| 868 * | |
| 869 * @see ImageData | |
| 870 */ | |
| 871 public ImageData getImageData() { | |
| 71 | 872 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 18 | 873 |
|
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|
874 int w, h; |
|
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changeset
|
875 OS.gdk_drawable_get_size(pixmap, &w, &h); |
|
8cec8f536af3
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changeset
|
876 int width = w, height = h; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
877 auto pixbuf = OS.gdk_pixbuf_new(OS.GDK_COLORSPACE_RGB, false, 8, width, height); |
| 71 | 878 if (pixbuf is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
879 auto colormap = OS.gdk_colormap_get_system(); |
|
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|
880 OS.gdk_pixbuf_get_from_drawable(pixbuf, pixmap, colormap, 0, 0, 0, 0, width, height); |
|
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881 int stride = OS.gdk_pixbuf_get_rowstride(pixbuf); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
882 auto pixels = OS.gdk_pixbuf_get_pixels(pixbuf); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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883 byte[] srcData = new byte[stride * height]; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
884 memmove(srcData.ptr, pixels, srcData.length); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
885 OS.g_object_unref(pixbuf); |
| 18 | 886 |
|
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887 PaletteData palette = new PaletteData(0xFF0000, 0xFF00, 0xFF); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
888 ImageData data = new ImageData(width, height, 24, palette); |
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889 data.data = srcData; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
890 data.bytesPerLine = stride; |
| 18 | 891 |
| 131 | 892 if (transparentPixel is -1 && type is DWT.ICON && mask !is null) { |
|
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|
893 /* Get the icon mask data */ |
|
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894 auto gdkImagePtr = OS.gdk_drawable_get_image(mask, 0, 0, width, height); |
| 71 | 895 if (gdkImagePtr is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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896 GdkImage* gdkImage = new GdkImage(); |
|
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897 memmove(gdkImage, gdkImagePtr, GdkImage.sizeof ); |
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898 byte[] maskData = new byte[gdkImage.bpl * gdkImage.height]; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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899 memmove(maskData.ptr, gdkImage.mem, maskData.length); |
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|
900 OS.g_object_unref(gdkImagePtr); |
|
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changeset
|
901 int maskPad; |
|
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902 for (maskPad = 1; maskPad < 128; maskPad++) { |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
903 int bpl = (((width + 7) / 8) + (maskPad - 1)) / maskPad * maskPad; |
| 131 | 904 if (gdkImage.bpl is bpl) break; |
|
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|
905 } |
|
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|
906 /* Make mask scanline pad equals to 2 */ |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
907 data.maskPad = 2; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
908 maskData = ImageData.convertPad(maskData, width, height, 1, maskPad, data.maskPad); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
909 /* Bit swap the mask data if necessary */ |
| 131 | 910 if (gdkImage.byte_order is OS.GDK_LSB_FIRST) { |
|
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|
911 for (int i = 0; i < maskData.length; i++) { |
|
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|
912 byte b = maskData[i]; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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913 maskData[i] = cast(byte)(((b & 0x01) << 7) | ((b & 0x02) << 5) | |
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914 ((b & 0x04) << 3) | ((b & 0x08) << 1) | ((b & 0x10) >> 1) | |
|
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changeset
|
915 ((b & 0x20) >> 3) | ((b & 0x40) >> 5) | ((b & 0x80) >> 7)); |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
916 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
917 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
918 data.maskData = maskData; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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changeset
|
919 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
920 data.transparentPixel = transparentPixel; |
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|
921 data.alpha = alpha; |
| 131 | 922 if (alpha is -1 && alphaData !is null) { |
|
25
fc2b263b8a3f
Merged back the System.arraycopy and use a System class
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changeset
|
923 data.alphaData = new byte[alphaData.length]; |
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Merged back the System.arraycopy and use a System class
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924 System.arraycopy(alphaData, 0, data.alphaData, 0, alphaData.length); |
|
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925 } |
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|
926 return data; |
| 18 | 927 } |
| 928 | |
| 929 /** | |
| 930 * Invokes platform specific functionality to allocate a new image. | |
| 931 * <p> | |
| 932 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 933 * API for <code>Image</code>. It is marked public only so that it | |
| 71 | 934 * can be shared within the packages provided by DWT. It is not |
| 18 | 935 * available on all platforms, and should never be called from |
| 936 * application code. | |
| 937 * </p> | |
| 938 * | |
| 939 * @param device the device on which to allocate the color | |
| 71 | 940 * @param type the type of the image (<code>DWT.BITMAP</code> or <code>DWT.ICON</code>) |
| 18 | 941 * @param pixmap the OS handle for the image |
| 942 * @param mask the OS handle for the image mask | |
| 943 * | |
| 944 * @private | |
| 945 */ | |
| 92 | 946 public static Image gtk_new(Device device, int type, GdkDrawable* pixmap, GdkDrawable* mask) { |
|
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|
947 if (device is null) device = Device.getDevice(); |
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|
948 Image image = new Image(); |
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|
949 image.type = type; |
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
950 image.pixmap = cast(GdkDrawable*)pixmap; |
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changeset
|
951 image.mask = cast(GdkDrawable*)mask; |
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|
952 image.device = device; |
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|
953 return image; |
| 18 | 954 } |
| 955 | |
| 956 /** | |
| 957 * Returns an integer hash code for the receiver. Any two | |
| 958 * objects that return <code>true</code> when passed to | |
| 959 * <code>equals</code> must return the same value for this | |
| 960 * method. | |
| 961 * | |
| 962 * @return the receiver's hash | |
| 963 * | |
| 964 * @see #equals | |
| 965 */ | |
|
150
f2e04420fd6c
reworked overrides and superclass aliases
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diff
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|
966 public override hash_t toHash () { |
|
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|
967 return cast(hash_t)/*64*/pixmap; |
| 18 | 968 } |
| 969 | |
|
216
997624cece6a
renames init() to init_() to avoid problems in tango collections in jface port
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|
970 void init_(Device device, int width, int height) { |
|
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|
971 if (width <= 0 || height <= 0) { |
| 71 | 972 DWT.error (DWT.ERROR_INVALID_ARGUMENT); |
|
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|
973 } |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
974 this.device = device; |
| 71 | 975 this.type = DWT.BITMAP; |
| 18 | 976 |
|
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|
977 /* Create the pixmap */ |
|
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|
978 this.pixmap = cast(GdkDrawable*) OS.gdk_pixmap_new(cast(GdkDrawable*)OS.GDK_ROOT_PARENT(), width, height, -1); |
| 71 | 979 if (pixmap is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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|
980 /* Fill the bitmap with white */ |
|
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|
981 GdkColor* white = new GdkColor(); |
|
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|
982 white.red = 0xFFFF; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
983 white.green = 0xFFFF; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
984 white.blue = 0xFFFF; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
985 auto colormap = OS.gdk_colormap_get_system(); |
|
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|
986 OS.gdk_colormap_alloc_color(colormap, white, true, true); |
|
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|
987 auto gdkGC = OS.gdk_gc_new(pixmap); |
|
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|
988 OS.gdk_gc_set_foreground(gdkGC, white); |
|
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|
989 OS.gdk_draw_rectangle(pixmap, gdkGC, 1, 0, 0, width, height); |
|
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|
990 OS.g_object_unref(gdkGC); |
|
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|
991 OS.gdk_colormap_free_colors(colormap, white, 1); |
| 18 | 992 } |
| 993 | |
|
216
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|
994 void init_(Device device, ImageData image) { |
| 71 | 995 if (image is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
|
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|
996 this.device = device; |
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|
997 int width = image.width; |
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|
998 int height = image.height; |
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|
999 PaletteData palette = image.palette; |
| 131 | 1000 if (!(((image.depth is 1 || image.depth is 2 || image.depth is 4 || image.depth is 8) && !palette.isDirect) || |
| 1001 ((image.depth is 8) || (image.depth is 16 || image.depth is 24 || image.depth is 32) && palette.isDirect))) | |
| 71 | 1002 DWT.error (DWT.ERROR_UNSUPPORTED_DEPTH); |
|
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|
1003 auto pixbuf = OS.gdk_pixbuf_new( OS.GDK_COLORSPACE_RGB, false, 8, width, height); |
| 71 | 1004 if (pixbuf is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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|
1005 int stride = OS.gdk_pixbuf_get_rowstride(pixbuf); |
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|
1006 auto data = OS.gdk_pixbuf_get_pixels(pixbuf); |
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|
1007 byte[] buffer = image.data; |
| 131 | 1008 if (!palette.isDirect || image.depth !is 24 || stride !is image.bytesPerLine || palette.redMask !is 0xFF0000 || palette.greenMask !is 0xFF00 || palette.blueMask !is 0xFF) { |
|
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|
1009 buffer = new byte[stride * height]; |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
1010 if (palette.isDirect) { |
|
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All D sources complete gvim retab (4 spaces), bug with Composite moveAbove/moveBelow fixed.
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|
1011 ImageData.blit(ImageData.BLIT_SRC, |
|
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|
1012 image.data, image.depth, image.bytesPerLine, image.getByteOrder(), 0, 0, width, height, palette.redMask, palette.greenMask, palette.blueMask, |
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|
1013 ImageData.ALPHA_OPAQUE, null, 0, 0, 0, |
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|
1014 buffer, 24, stride, ImageData.MSB_FIRST, 0, 0, width, height, 0xFF0000, 0xFF00, 0xFF, |
|
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|
1015 false, false); |
|
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1016 } else { |
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1017 RGB[] rgbs = palette.getRGBs(); |
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1018 int length = rgbs.length; |
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1019 byte[] srcReds = new byte[length]; |
|
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|
1020 byte[] srcGreens = new byte[length]; |
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1021 byte[] srcBlues = new byte[length]; |
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1022 for (int i = 0; i < rgbs.length; i++) { |
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1023 RGB rgb = rgbs[i]; |
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1024 if (rgb is null) continue; |
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1025 srcReds[i] = cast(byte)rgb.red; |
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1026 srcGreens[i] = cast(byte)rgb.green; |
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1027 srcBlues[i] = cast(byte)rgb.blue; |
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1028 } |
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1029 ImageData.blit(ImageData.BLIT_SRC, |
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1030 image.data, image.depth, image.bytesPerLine, image.getByteOrder(), 0, 0, width, height, srcReds, srcGreens, srcBlues, |
|
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1031 ImageData.ALPHA_OPAQUE, null, 0, 0, 0, |
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1032 buffer, 24, stride, ImageData.MSB_FIRST, 0, 0, width, height, 0xFF0000, 0xFF00, 0xFF, |
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1033 false, false); |
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1034 } |
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1035 } |
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1036 memmove(data, buffer.ptr, stride * height); |
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1037 auto pixmap = cast(GdkDrawable*) OS.gdk_pixmap_new (cast(GdkDrawable*) OS.GDK_ROOT_PARENT(), width, height, -1); |
| 71 | 1038 if (pixmap is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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1039 auto gdkGC = OS.gdk_gc_new(pixmap); |
| 71 | 1040 if (gdkGC is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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1041 OS.gdk_pixbuf_render_to_drawable(pixbuf, pixmap, gdkGC, 0, 0, 0, 0, width, height, OS.GDK_RGB_DITHER_NORMAL, 0, 0); |
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1042 OS.g_object_unref(gdkGC); |
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1043 OS.g_object_unref(pixbuf); |
| 18 | 1044 |
| 131 | 1045 bool isIcon = image.getTransparencyType() is DWT.TRANSPARENCY_MASK; |
| 1046 if (isIcon || image.transparentPixel !is -1) { | |
| 1047 if (image.transparentPixel !is -1) { | |
|
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1048 RGB rgb = null; |
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1049 if (palette.isDirect) { |
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1050 rgb = palette.getRGB(image.transparentPixel); |
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1051 } else { |
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1052 if (image.transparentPixel < palette.colors.length) { |
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1053 rgb = palette.getRGB(image.transparentPixel); |
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1054 } |
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1055 } |
| 131 | 1056 if (rgb !is null) { |
|
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1057 transparentPixel = rgb.red << 16 | rgb.green << 8 | rgb.blue; |
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1058 } |
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1059 } |
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1060 auto mask = createMask(image, isIcon); |
| 71 | 1061 if (mask is null) DWT.error(DWT.ERROR_NO_HANDLES); |
|
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1062 this.mask = mask; |
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1063 if (isIcon) { |
| 71 | 1064 this.type = DWT.ICON; |
|
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1065 } else { |
| 71 | 1066 this.type = DWT.BITMAP; |
|
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1067 } |
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1068 } else { |
| 71 | 1069 this.type = DWT.BITMAP; |
|
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1070 this.mask = null; |
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1071 this.alpha = image.alpha; |
| 131 | 1072 if (image.alpha is -1 && image.alphaData !is null) { |
|
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1073 this.alphaData = new byte[image.alphaData.length]; |
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1074 System.arraycopy(image.alphaData, 0, this.alphaData, 0, alphaData.length); |
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1075 } |
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1076 createAlphaMask(width, height); |
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1077 } |
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1078 this.pixmap = pixmap; |
| 18 | 1079 } |
| 1080 | |
| 1081 /** | |
| 1082 * Invokes platform specific functionality to allocate a new GC handle. | |
| 1083 * <p> | |
| 1084 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 1085 * API for <code>Image</code>. It is marked public only so that it | |
| 71 | 1086 * can be shared within the packages provided by DWT. It is not |
| 18 | 1087 * available on all platforms, and should never be called from |
| 1088 * application code. | |
| 1089 * </p> | |
| 1090 * | |
| 1091 * @param data the platform specific GC data | |
| 1092 * @return the platform specific GC handle | |
| 1093 */ | |
| 19 | 1094 public GdkGC* internal_new_GC (GCData data) { |
| 71 | 1095 if (pixmap is null) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 131 | 1096 if (type !is DWT.BITMAP || memGC !is null) { |
| 71 | 1097 DWT.error(DWT.ERROR_INVALID_ARGUMENT); |
|
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1098 } |
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1099 auto gdkGC = OS.gdk_gc_new(pixmap); |
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1100 if (data !is null) { |
| 71 | 1101 int mask = DWT.LEFT_TO_RIGHT | DWT.RIGHT_TO_LEFT; |
| 131 | 1102 if ((data.style & mask) is 0) { |
| 71 | 1103 data.style |= DWT.LEFT_TO_RIGHT; |
|
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1104 } |
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1105 data.device = device; |
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1106 data.drawable = pixmap; |
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1107 data.background = device.COLOR_WHITE.handle; |
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1108 data.foreground = device.COLOR_BLACK.handle; |
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1109 data.font = device.systemFont.handle; |
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1110 data.image = this; |
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1111 } |
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1112 return gdkGC; |
| 18 | 1113 } |
| 1114 | |
| 1115 /** | |
| 1116 * Invokes platform specific functionality to dispose a GC handle. | |
| 1117 * <p> | |
| 1118 * <b>IMPORTANT:</b> This method is <em>not</em> part of the public | |
| 1119 * API for <code>Image</code>. It is marked public only so that it | |
| 71 | 1120 * can be shared within the packages provided by DWT. It is not |
| 18 | 1121 * available on all platforms, and should never be called from |
| 1122 * application code. | |
| 1123 * </p> | |
| 1124 * | |
| 1125 * @param hDC the platform specific GC handle | |
| 1126 * @param data the platform specific GC data | |
| 1127 */ | |
| 19 | 1128 public void internal_dispose_GC ( GdkGC* gdkGC, GCData data) { |
|
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1129 OS.g_object_unref(gdkGC); |
| 18 | 1130 } |
| 1131 | |
| 1132 /** | |
| 1133 * Returns <code>true</code> if the image has been disposed, | |
| 1134 * and <code>false</code> otherwise. | |
| 1135 * <p> | |
| 1136 * This method gets the dispose state for the image. | |
| 1137 * When an image has been disposed, it is an error to | |
| 1138 * invoke any other method using the image. | |
| 1139 * | |
| 1140 * @return <code>true</code> when the image is disposed and <code>false</code> otherwise | |
| 1141 */ | |
|
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1142 public override bool isDisposed() { |
|
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1143 return pixmap is null; |
| 18 | 1144 } |
| 1145 | |
| 1146 /** | |
| 1147 * Sets the color to which to map the transparent pixel. | |
| 1148 * <p> | |
| 1149 * There are certain uses of <code>Images</code> that do not support | |
| 1150 * transparency (for example, setting an image into a button or label). | |
| 1151 * In these cases, it may be desired to simulate transparency by using | |
| 1152 * the background color of the widget to paint the transparent pixels | |
| 1153 * of the image. This method specifies the color that will be used in | |
| 1154 * these cases. For example: | |
| 1155 * <pre> | |
| 1156 * Button b = new Button(); | |
| 1157 * image.setBackground(b.getBackground()); | |
| 1158 * b.setImage(image); | |
| 1159 * </pre> | |
| 1160 * </p><p> | |
| 1161 * The image may be modified by this operation (in effect, the | |
| 1162 * transparent regions may be filled with the supplied color). Hence | |
| 1163 * this operation is not reversible and it is not legal to call | |
| 1164 * this function twice or with a null argument. | |
| 1165 * </p><p> | |
| 1166 * This method has no effect if the receiver does not have a transparent | |
| 1167 * pixel value. | |
| 1168 * </p> | |
| 1169 * | |
| 1170 * @param color the color to use when a transparent pixel is specified | |
| 1171 * | |
| 1172 * @exception IllegalArgumentException <ul> | |
| 1173 * <li>ERROR_NULL_ARGUMENT - if the color is null</li> | |
| 1174 * <li>ERROR_INVALID_ARGUMENT - if the color has been disposed</li> | |
| 1175 * </ul> | |
| 71 | 1176 * @exception DWTException <ul> |
| 18 | 1177 * <li>ERROR_GRAPHIC_DISPOSED - if the receiver has been disposed</li> |
| 1178 * </ul> | |
| 1179 */ | |
| 1180 public void setBackground(Color color) { | |
| 71 | 1181 if (isDisposed()) DWT.error(DWT.ERROR_GRAPHIC_DISPOSED); |
| 1182 if (color is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); | |
| 1183 if (color.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT); | |
| 131 | 1184 if (transparentPixel is -1) return; |
|
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1185 //NOT DONE |
| 18 | 1186 } |
| 1187 | |
| 1188 /** | |
| 1189 * Returns a string containing a concise, human-readable | |
| 1190 * description of the receiver. | |
| 1191 * | |
| 1192 * @return a string representation of the receiver | |
| 1193 */ | |
| 238 | 1194 public override String toString () { |
|
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1195 if (isDisposed()) return "Image {*DISPOSED*}"; |
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1196 return Format( "Image {{{}}", pixmap); |
| 18 | 1197 } |
| 1198 | |
| 1199 } | |
|
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1200 |