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1
11 package org.eclipse.swt.widgets;
12
13
14 import org.eclipse.swt.internal.win32.*;
15 import org.eclipse.swt.*;
16 import org.eclipse.swt.graphics.*;
17
18 class ImageList {
19 int handle, style, refCount;
20 Image [] images;
21
22 public ImageList (int style) {
23 this.style = style;
24 int flags = OS.ILC_MASK;
25 if (OS.IsWinCE) {
26 flags |= OS.ILC_COLOR;
27 } else {
28 if (OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
29 flags |= OS.ILC_COLOR32;
30 } else {
31 int hDC = OS.GetDC (0);
32 int bits = OS.GetDeviceCaps (hDC, OS.BITSPIXEL);
33 int planes = OS.GetDeviceCaps (hDC, OS.PLANES);
34 OS.ReleaseDC (0, hDC);
35 int depth = bits * planes;
36 switch (depth) {
37 case 4: flags |= OS.ILC_COLOR4; break;
38 case 8: flags |= OS.ILC_COLOR8; break;
39 case 16: flags |= OS.ILC_COLOR16; break;
40 case 24: flags |= OS.ILC_COLOR24; break;
41 case 32: flags |= OS.ILC_COLOR32; break;
42 default: flags |= OS.ILC_COLOR; break;
43 }
44 }
45 }
46 if ((style & SWT.RIGHT_TO_LEFT) != 0) flags |= OS.ILC_MIRROR;
47 handle = OS.ImageList_Create (32, 32, flags, 16, 16);
48 images = new Image [4];
49 }
50
51 public int add (Image image) {
52 int count = OS.ImageList_GetImageCount (handle);
53 int index = 0;
54 while (index < count) {
55 if (images [index] != null) {
56 if (images [index].isDisposed ()) images [index] = null;
57 }
58 if (images [index] == null) break;
59 index++;
60 }
61 if (count == 0) {
62 Rectangle rect = image.getBounds ();
63 OS.ImageList_SetIconSize (handle, rect.width, rect.height);
64 }
65 set (index, image, count);
66 if (index == images.length) {
67 Image [] newImages = new Image [images.length + 4];
68 System.arraycopy (images, 0, newImages, 0, images.length);
69 images = newImages;
70 }
71 images [index] = image;
72 return index;
73 }
74
75 int addRef() {
76 return ++refCount;
77 }
78
79 int copyBitmap (int hImage, int width, int height) {
80 BITMAP bm = new BITMAP ();
81 OS.GetObject (hImage, BITMAP.sizeof, bm);
82 int hDC = OS.GetDC (0);
83 int hdc1 = OS.CreateCompatibleDC (hDC);
84 OS.SelectObject (hdc1, hImage);
85 int hdc2 = OS.CreateCompatibleDC (hDC);
86
96 int hBitmap;
97 if (bm.bmBitsPixel == 32 && OS.COMCTL32_MAJOR >= 6 && OS.IsAppThemed ()) {
98 BITMAPINFOHEADER bmiHeader = new BITMAPINFOHEADER();
99 bmiHeader.biSize = BITMAPINFOHEADER.sizeof;
100 bmiHeader.biWidth = width;
101 bmiHeader.biHeight = -height;
102 bmiHeader.biPlanes = 1;
103 bmiHeader.biBitCount = (short)24;
104 if (OS.IsWinCE) bmiHeader.biCompression = OS.BI_BITFIELDS;
105 else bmiHeader.biCompression = OS.BI_RGB;
106 byte[] bmi = new byte[BITMAPINFOHEADER.sizeof + (OS.IsWinCE ? 12 : 0)];
107 OS.MoveMemory(bmi, bmiHeader, BITMAPINFOHEADER.sizeof);
108
109 if (OS.IsWinCE) {
110 int redMask = 0xFF00;
111 int greenMask = 0xFF0000;
112 int blueMask = 0xFF000000;
113
114 int offset = BITMAPINFOHEADER.sizeof;
115 bmi[offset] = (byte)((redMask & 0xFF000000) >> 24);
116 bmi[offset + 1] = (byte)((redMask & 0xFF0000) >> 16);
117 bmi[offset + 2] = (byte)((redMask & 0xFF00) >> 8);
118 bmi[offset + 3] = (byte)((redMask & 0xFF) >> 0);
119 bmi[offset + 4] = (byte)((greenMask & 0xFF000000) >> 24);
120 bmi[offset + 5] = (byte)((greenMask & 0xFF0000) >> 16);
121 bmi[offset + 6] = (byte)((greenMask & 0xFF00) >> 8);
122 bmi[offset + 7] = (byte)((greenMask & 0xFF) >> 0);
123 bmi[offset + 8] = (byte)((blueMask & 0xFF000000) >> 24);
124 bmi[offset + 9] = (byte)((blueMask & 0xFF0000) >> 16);
125 bmi[offset + 10] = (byte)((blueMask & 0xFF00) >> 8);
126 bmi[offset + 11] = (byte)((blueMask & 0xFF) >> 0);
127 }
128 int[] pBits = new int[1];
129 hBitmap = OS.CreateDIBSection(0, bmi, OS.DIB_RGB_COLORS, pBits, 0, 0);
130 } else {
131 hBitmap = OS.CreateCompatibleBitmap (hDC, width, height);
132 }
133 OS.SelectObject (hdc2, hBitmap);
134 if (width != bm.bmWidth || height != bm.bmHeight) {
135 if (!OS.IsWinCE) OS.SetStretchBltMode(hdc2, OS.COLORONCOLOR);
136 OS.StretchBlt (hdc2, 0, 0, width, height, hdc1, 0, 0, bm.bmWidth, bm.bmHeight, OS.SRCCOPY);
137 } else {
138 OS.BitBlt (hdc2, 0, 0, width, height, hdc1, 0, 0, OS.SRCCOPY);
139 }
140 OS.DeleteDC (hdc1);
141 OS.DeleteDC (hdc2);
142 OS.ReleaseDC (0, hDC);
143 return hBitmap;
144 }
145
146 int copyIcon (int hImage, int width, int height) {
147 if (OS.IsWinCE) SWT.error(SWT.ERROR_NOT_IMPLEMENTED);
148 int hIcon = OS.CopyImage (hImage, OS.IMAGE_ICON, width, height, 0);
149 return hIcon != 0 ? hIcon : hImage;
150 }
151
152 int copyWithAlpha (int hBitmap, int background, byte[] alphaData, int destWidth, int destHeight) {
153 BITMAP bm = new BITMAP ();
154 OS.GetObject (hBitmap, BITMAP.sizeof, bm);
155 int srcWidth = bm.bmWidth;
156 int srcHeight = bm.bmHeight;
157
158
159 int hdc = OS.GetDC (0);
160 int srcHdc = OS.CreateCompatibleDC (hdc);
161 int oldSrcBitmap = OS.SelectObject (srcHdc, hBitmap);
162 int memHdc = OS.CreateCompatibleDC (hdc);
163 BITMAPINFOHEADER bmiHeader = new BITMAPINFOHEADER ();
164 bmiHeader.biSize = BITMAPINFOHEADER.sizeof;
165 bmiHeader.biWidth = srcWidth;
166 bmiHeader.biHeight = -srcHeight;
167 bmiHeader.biPlanes = 1;
168 bmiHeader.biBitCount = 32;
169 bmiHeader.biCompression = OS.BI_RGB;
170 byte [] bmi = new byte[BITMAPINFOHEADER.sizeof];
171 OS.MoveMemory (bmi, bmiHeader, BITMAPINFOHEADER.sizeof);
172 int [] pBits = new int [1];
173 int memDib = OS.CreateDIBSection (0, bmi, OS.DIB_RGB_COLORS, pBits, 0, 0);
174 if (memDib == 0) SWT.error (SWT.ERROR_NO_HANDLES);
175 int oldMemBitmap = OS.SelectObject (memHdc, memDib);
176
177 BITMAP dibBM = new BITMAP ();
178 OS.GetObject (memDib, BITMAP.sizeof, dibBM);
179 int sizeInBytes = dibBM.bmWidthBytes * dibBM.bmHeight;
180
181
182 OS.BitBlt (memHdc, 0, 0, srcWidth, srcHeight, srcHdc, 0, 0, OS.SRCCOPY);
183 byte[] srcData = new byte [sizeInBytes];
184 OS.MoveMemory (srcData, dibBM.bmBits, sizeInBytes);
185
186
187 if (alphaData != null) {
188 int spinc = dibBM.bmWidthBytes - srcWidth * 4;
189 int ap = 0, sp = 3;
190 for (int y = 0; y < srcHeight; ++y) {
191 for (int x = 0; x < srcWidth; ++x) {
192 srcData [sp] = alphaData [ap++];
193 sp += 4;
194 }
195 sp += spinc;
196 }
197 } else {
198 byte transRed = (byte)(background & 0xFF);
199 byte transGreen = (byte)((background >> 8) & 0xFF);
200 byte transBlue = (byte)((background >> 16) & 0xFF);
201 final int spinc = dibBM.bmWidthBytes - srcWidth * 4;
202 int sp = 3;
203 for (int y = 0; y < srcHeight; ++y) {
204 for (int x = 0; x < srcWidth; ++x) {
205 srcData [sp] = (srcData[sp-1] == transRed && srcData[sp-2] == transGreen && srcData[sp-3] == transBlue) ? 0 : (byte)255;
206 sp += 4;
207 }
208 sp += spinc;
209 }
210 }
211 OS.MoveMemory (dibBM.bmBits, srcData, sizeInBytes);
212
213
214 if (srcWidth != destWidth || srcHeight != destHeight) {
215 BITMAPINFOHEADER bmiHeader2 = new BITMAPINFOHEADER ();
216 bmiHeader2.biSize = BITMAPINFOHEADER.sizeof;
217 bmiHeader2.biWidth = destWidth;
218 bmiHeader2.biHeight = -destHeight;
219 bmiHeader2.biPlanes = 1;
220 bmiHeader2.biBitCount = 32;
221 bmiHeader2.biCompression = OS.BI_RGB;
222 byte [] bmi2 = new byte[BITMAPINFOHEADER.sizeof];
223 OS.MoveMemory (bmi2, bmiHeader2, BITMAPINFOHEADER.sizeof);
224 int [] pBits2 = new int [1];
225 int memDib2 = OS.CreateDIBSection (0, bmi2, OS.DIB_RGB_COLORS, pBits2, 0, 0);
226 int memHdc2 = OS.CreateCompatibleDC (hdc);
227 int oldMemBitmap2 = OS.SelectObject (memHdc2, memDib2);
228 if (!OS.IsWinCE) OS.SetStretchBltMode(memHdc2, OS.COLORONCOLOR);
229 OS.StretchBlt (memHdc2, 0, 0, destWidth, destHeight, memHdc, 0, 0, srcWidth, srcHeight, OS.SRCCOPY);
230 OS.SelectObject (memHdc2, oldMemBitmap2);
231 OS.DeleteDC (memHdc2);
232 OS.SelectObject (memHdc, oldMemBitmap);
233 OS.DeleteDC (memHdc);
234 OS.DeleteObject (memDib);
235 memDib = memDib2;
236 } else {
237 OS.SelectObject (memHdc, oldMemBitmap);
238 OS.DeleteDC (memHdc);
239 }
240 OS.SelectObject (srcHdc, oldSrcBitmap);
241 OS.DeleteDC (srcHdc);
242 OS.ReleaseDC (0, hdc);
243 return memDib;
244 }
245
246 int createMask (int hBitmap, int destWidth, int destHeight, int background, int transparentPixel) {
247 BITMAP bm = new BITMAP ();
248 OS.GetObject (hBitmap, BITMAP.sizeof, bm);
249 int srcWidth = bm.bmWidth;
250 int srcHeight = bm.bmHeight;
251 int hMask = OS.CreateBitmap (destWidth, destHeight, 1, 1, null);
252 int hDC = OS.GetDC (0);
253 int hdc1 = OS.CreateCompatibleDC (hDC);
254 if (background != -1) {
255 OS.SelectObject (hdc1, hBitmap);
256
257
265 boolean isDib = bm.bmBits != 0;
266 byte[] originalColors = null;
267 if (!OS.IsWinCE && transparentPixel != -1 && isDib && bm.bmBitsPixel <= 8) {
268 int maxColors = 1 << bm.bmBitsPixel;
269 byte[] oldColors = new byte[maxColors * 4];
270 OS.GetDIBColorTable(hdc1, 0, maxColors, oldColors);
271 int offset = transparentPixel * 4;
272 byte[] newColors = new byte[oldColors.length];
273 newColors[offset] = (byte)0xFF;
274 newColors[offset+1] = (byte)0xFF;
275 newColors[offset+2] = (byte)0xFF;
276 OS.SetDIBColorTable(hdc1, 0, maxColors, newColors);
277 originalColors = oldColors;
278 OS.SetBkColor (hdc1, 0xFFFFFF);
279 } else {
280 OS.SetBkColor (hdc1, background);
281 }
282
283 int hdc2 = OS.CreateCompatibleDC (hDC);
284 OS.SelectObject (hdc2, hMask);
285 if (destWidth != srcWidth || destHeight != srcHeight) {
286 if (!OS.IsWinCE) OS.SetStretchBltMode (hdc2, OS.COLORONCOLOR);
287 OS.StretchBlt (hdc2, 0, 0, destWidth, destHeight, hdc1, 0, 0, srcWidth, srcHeight, OS.SRCCOPY);
288 } else {
289 OS.BitBlt (hdc2, 0, 0, destWidth, destHeight, hdc1, 0, 0, OS.SRCCOPY);
290 }
291 OS.DeleteDC (hdc2);
292
293
294 if (originalColors != null) OS.SetDIBColorTable(hdc1, 0, 1 << bm.bmBitsPixel, originalColors);
295 } else {
296 int hOldBitmap = OS.SelectObject (hdc1, hMask);
297 OS.PatBlt (hdc1, 0, 0, destWidth, destHeight, OS.BLACKNESS);
298 OS.SelectObject (hdc1, hOldBitmap);
299 }
300 OS.ReleaseDC (0, hDC);
301 OS.DeleteDC (hdc1);
302 return hMask;
303 }
304
305 public void dispose () {
306 if (handle != 0) OS.ImageList_Destroy (handle);
307 handle = 0;
308 images = null;
309 }
310
311 public Image get (int index) {
312 return images [index];
313 }
314
315 public int getStyle () {
316 return style;
317 }
318
319 public int getHandle () {
320 return handle;
321 }
322
323 public Point getImageSize() {
324 int [] cx = new int [1], cy = new int [1];
325 OS.ImageList_GetIconSize (handle, cx, cy);
326 return new Point (cx [0], cy [0]);
327 }
328
329 public int indexOf (Image image) {
330 int count = OS.ImageList_GetImageCount (handle);
331 for (int i=0; i<count; i++) {
332 if (images [i] != null) {
333 if (images [i].isDisposed ()) images [i] = null;
334 if (images [i] != null && images [i].equals (image)) return i;
335 }
336 }
337 return -1;
338 }
339
340 public void put (int index, Image image) {
341 int count = OS.ImageList_GetImageCount (handle);
342 if (!(0 <= index && index < count)) return;
343 if (image != null) set(index, image, count);
344 images [index] = image;
345 }
346
347 public void remove (int index) {
348 int count = OS.ImageList_GetImageCount (handle);
349 if (!(0 <= index && index < count)) return;
350 OS.ImageList_Remove (handle, index);
351 System.arraycopy (images, index + 1, images, index, --count - index);
352 images [index] = null;
353 }
354
355 int removeRef() {
356 return --refCount;
357 }
358
359 void set (int index, Image image, int count) {
360 int hImage = image.handle;
361 int [] cx = new int [1], cy = new int [1];
362 OS.ImageList_GetIconSize (handle, cx, cy);
363 switch (image.type) {
364 case SWT.BITMAP: {
365
368 int hBitmap = 0, hMask = 0;
369 ImageData data = image.getImageData ();
370 switch (data.getTransparencyType ()) {
371 case SWT.TRANSPARENCY_ALPHA:
372 if (OS.COMCTL32_MAJOR >= 6) {
373 hBitmap = copyWithAlpha (hImage, -1, data.alphaData, cx [0], cy [0]);
374 } else {
375 hBitmap = copyBitmap (hImage, cx [0], cy [0]);
376 hMask = Display.createMaskFromAlpha (data, cx [0], cy [0]);
377 }
378 break;
379 case SWT.TRANSPARENCY_PIXEL:
380 int background = -1;
381 Color color = image.getBackground ();
382 if (color != null) background = color.handle;
383 hBitmap = copyBitmap (hImage, cx [0], cy [0]);
384 hMask = createMask (hImage, cx [0], cy [0], background, data.transparentPixel);
385 break;
386 case SWT.TRANSPARENCY_NONE:
387 default:
388 hBitmap = copyBitmap (hImage, cx [0], cy [0]);
389 if (index != count) hMask = createMask (hImage, cx [0], cy [0], -1, -1);
390 break;
391 }
392 if (index == count) {
393 OS.ImageList_Add (handle, hBitmap, hMask);
394 } else {
395
396 OS.ImageList_Replace (handle, index, hBitmap, hMask);
397 }
398 if (hMask != 0) OS.DeleteObject (hMask);
399 if (hBitmap != hImage) OS.DeleteObject (hBitmap);
400 break;
401 }
402 case SWT.ICON: {
403 if (OS.IsWinCE) {
404 OS.ImageList_ReplaceIcon (handle, index == count ? -1 : index, hImage);
405 } else {
406 int hIcon = copyIcon (hImage, cx [0], cy [0]);
407 OS.ImageList_ReplaceIcon (handle, index == count ? -1 : index, hIcon);
408 OS.DestroyIcon (hIcon);
409 }
410 break;
411 }
412 }
413 }
414
415 public int size () {
416 int result = 0;
417 int count = OS.ImageList_GetImageCount (handle);
418 for (int i=0; i<count; i++) {
419 if (images [i] != null) {
420 if (images [i].isDisposed ()) images [i] = null;
421 if (images [i] != null) result++;
422 }
423 }
424 return result;
425 }
426
427 }
428 |
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