1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 * Copyright (C) 1998-1999 Tor Lillqvist
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
22 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
23 * file for a list of people on the GTK+ Team. See the ChangeLog
24 * files for a list of changes. These files are distributed with
25 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
34 #include "gdkpixmap.h"
35 #include "gdkinternals.h"
36 #include "gdkprivate-win32.h"
38 static void gdk_pixmap_impl_win32_get_size (GdkDrawable *drawable,
42 static void gdk_pixmap_impl_win32_init (GdkPixmapImplWin32 *pixmap);
43 static void gdk_pixmap_impl_win32_class_init (GdkPixmapImplWin32Class *klass);
44 static void gdk_pixmap_impl_win32_finalize (GObject *object);
46 static gpointer parent_class = NULL;
49 _gdk_pixmap_impl_win32_get_type (void)
51 static GType object_type = 0;
55 static const GTypeInfo object_info =
57 sizeof (GdkPixmapImplWin32Class),
59 (GBaseFinalizeFunc) NULL,
60 (GClassInitFunc) gdk_pixmap_impl_win32_class_init,
61 NULL, /* class_finalize */
62 NULL, /* class_data */
63 sizeof (GdkPixmapImplWin32),
65 (GInstanceInitFunc) gdk_pixmap_impl_win32_init,
68 object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_WIN32,
77 _gdk_pixmap_impl_get_type (void)
79 return _gdk_pixmap_impl_win32_get_type ();
83 gdk_pixmap_impl_win32_init (GdkPixmapImplWin32 *impl)
90 gdk_pixmap_impl_win32_class_init (GdkPixmapImplWin32Class *klass)
92 GObjectClass *object_class = G_OBJECT_CLASS (klass);
93 GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
95 parent_class = g_type_class_peek_parent (klass);
97 object_class->finalize = gdk_pixmap_impl_win32_finalize;
99 drawable_class->get_size = gdk_pixmap_impl_win32_get_size;
103 gdk_pixmap_impl_win32_finalize (GObject *object)
105 GdkPixmapImplWin32 *impl = GDK_PIXMAP_IMPL_WIN32 (object);
106 GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_WIN32 (impl)->wrapper);
108 GDK_NOTE (MISC, g_print ("gdk_pixmap_impl_win32_finalize: %#x\n",
109 (guint) GDK_PIXMAP_HBITMAP (wrapper)));
111 if (!DeleteObject (GDK_PIXMAP_HBITMAP (wrapper)))
112 WIN32_GDI_FAILED ("DeleteObject");
114 gdk_win32_handle_table_remove (GDK_PIXMAP_HBITMAP (wrapper));
116 G_OBJECT_CLASS (parent_class)->finalize (object);
120 gdk_pixmap_impl_win32_get_size (GdkDrawable *drawable,
125 *width = GDK_PIXMAP_IMPL_WIN32 (drawable)->width;
127 *height = GDK_PIXMAP_IMPL_WIN32 (drawable)->height;
131 gdk_pixmap_new (GdkWindow *window,
137 GdkDrawableImplWin32 *draw_impl;
138 GdkPixmapImplWin32 *pix_impl;
142 BITMAPINFOHEADER bmiHeader;
144 WORD bmiIndices[256];
146 RGBQUAD bmiColors[256];
155 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
156 g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
158 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
160 /* HB: Not The Right Thing to do, but a nice way to debug
161 * the backing store facility without immediate crashes ...
163 if (width == 0 || height == 0)
165 g_warning("gdk_pixmap_new: size requested: %ld %ld", width, height);
166 /* testing: where does it crash next? */
167 if (width == 0) width = 1;
168 if (height == 0) height = 1;
173 window = _gdk_parent_root;
175 if (GDK_WINDOW_DESTROYED (window))
178 visual = gdk_drawable_get_visual (window);
181 depth = gdk_drawable_get_depth (GDK_DRAWABLE (window));
183 GDK_NOTE (MISC, g_print ("gdk_pixmap_new: %dx%dx%d\n",
184 width, height, depth));
186 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
187 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
188 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
189 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
191 pix_impl->is_foreign = FALSE;
192 pix_impl->width = width;
193 pix_impl->height = height;
194 GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
196 if ((hdc = GetDC (GDK_WINDOW_HWND (window))) == NULL)
198 WIN32_GDI_FAILED ("GetDC");
199 g_object_unref ((GObject *) pixmap);
203 bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
204 bmi.bmiHeader.biWidth = width;
205 bmi.bmiHeader.biHeight = -height;
206 bmi.bmiHeader.biPlanes = 1;
208 bmi.bmiHeader.biBitCount = 16;
210 bmi.bmiHeader.biBitCount = depth;
212 bmi.bmiHeader.biCompression = BI_BITFIELDS;
214 bmi.bmiHeader.biCompression = BI_RGB;
215 bmi.bmiHeader.biSizeImage = 0;
216 bmi.bmiHeader.biXPelsPerMeter =
217 bmi.bmiHeader.biYPelsPerMeter = 0;
218 bmi.bmiHeader.biClrUsed = 0;
219 bmi.bmiHeader.biClrImportant = 0;
221 iUsage = DIB_RGB_COLORS;
224 bmi.u.bmiColors[0].rgbBlue =
225 bmi.u.bmiColors[0].rgbGreen =
226 bmi.u.bmiColors[0].rgbRed = 0x00;
227 bmi.u.bmiColors[0].rgbReserved = 0x00;
229 bmi.u.bmiColors[1].rgbBlue =
230 bmi.u.bmiColors[1].rgbGreen =
231 bmi.u.bmiColors[1].rgbRed = 0xFF;
232 bmi.u.bmiColors[1].rgbReserved = 0x00;
233 draw_impl->colormap = NULL;
234 GDK_NOTE (MISC, g_print ("... colormap NULL\n"));
238 draw_impl->colormap = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap;
239 if (draw_impl->colormap == NULL)
240 draw_impl->colormap = gdk_colormap_get_system ();
241 GDK_NOTE (MISC, g_print ("... colormap %p\n", draw_impl->colormap));
245 iUsage = DIB_PAL_COLORS;
246 for (i = 0; i < 256; i++)
247 bmi.u.bmiIndices[i] = i;
251 if (depth != visual->depth)
252 g_warning ("gdk_pixmap_new: depth %d doesn't match display depth %d",
253 depth, visual->depth);
256 bmi.u.bmiMasks[0] = visual->red_mask;
257 bmi.u.bmiMasks[1] = visual->green_mask;
258 bmi.u.bmiMasks[2] = visual->blue_mask;
262 if ((draw_impl->handle = CreateDIBSection (hdc, (BITMAPINFO *) &bmi,
263 iUsage, (PVOID *) &bits,
266 WIN32_GDI_FAILED ("CreateDIBSection");
267 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
268 g_object_unref ((GObject *) pixmap);
271 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
273 GDK_NOTE (MISC, g_print ("... = %#x\n",
274 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
276 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
281 static unsigned char mirror[256] = {
282 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
283 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
284 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
285 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
286 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
287 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
288 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
289 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
290 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
291 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
292 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
293 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
294 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
295 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
296 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
297 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
298 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
299 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
300 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
301 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
302 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
303 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
304 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
305 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
306 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
307 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
308 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
309 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
310 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
311 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
312 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
313 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
317 gdk_bitmap_create_from_data (GdkWindow *window,
323 GdkDrawableImplWin32 *draw_impl;
324 GdkPixmapImplWin32 *pix_impl;
325 gint i, j, bpl, aligned_bpl;
328 g_return_val_if_fail (data != NULL, NULL);
329 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
330 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
333 window = _gdk_parent_root;
335 if (GDK_WINDOW_DESTROYED (window))
338 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
339 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
340 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
341 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
343 pix_impl->is_foreign = FALSE;
344 pix_impl->width = width;
345 pix_impl->height = height;
346 GDK_PIXMAP_OBJECT (pixmap)->depth = 1;
348 bpl = ((width - 1) / 8 + 1);
349 aligned_bpl = ((bpl - 1) / 2 + 1) * 2;
350 bits = g_malloc (aligned_bpl * height);
351 for (i = 0; i < height; i++)
352 for (j = 0; j < bpl; j++)
353 bits[i*aligned_bpl + j] = mirror[(guchar) data[i*bpl + j]];
355 draw_impl->handle = CreateBitmap (width, height, 1, 1, bits);
357 GDK_NOTE (MISC, g_print ("gdk_bitmap_create_from_data: %dx%d = %#x\n",
359 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
363 draw_impl->colormap = NULL;
364 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
370 gdk_pixmap_create_from_data (GdkWindow *window,
378 /* Oh wow. I struggled with dozens of lines of code trying to get
379 * this right using a monochrome Win32 bitmap created from data, and
380 * a colour DIB section as the result, trying setting pens,
381 * background colors, whatnot and BitBlt:ing. Nope. Then finally I
382 * realized it's much easier to do it using gdk...:
389 if (GDK_WINDOW_DESTROYED (window))
392 result = gdk_pixmap_new (window, width, height, depth);
393 source = gdk_bitmap_create_from_data (window, data, width, height);
394 gc = gdk_gc_new (result);
396 gdk_gc_set_foreground (gc, fg);
397 gdk_gc_set_background (gc, bg);
398 gdk_draw_drawable (result, gc, source, 0, 0, 0, 0, width, height);
399 gdk_drawable_unref (source);
402 GDK_NOTE (MISC, g_print ("gdk_pixmap_create_from_data: %dx%dx%d = %#x\n",
403 width, height, depth,
404 (guint) GDK_PIXMAP_HBITMAP (result)));
410 gdk_pixmap_foreign_new (GdkNativeWindow anid)
413 GdkDrawableImplWin32 *draw_impl;
414 GdkPixmapImplWin32 *pix_impl;
417 unsigned int w_ret, h_ret;
419 /* check to make sure we were passed a HBITMAP */
420 g_return_val_if_fail(GetObjectType ((HGDIOBJ) anid) == OBJ_BITMAP, NULL);
422 /* set the pixmap to the passed in value */
423 hbitmap = (HBITMAP) anid;
425 /* get information about the bitmap to fill in the structure for
427 GetBitmapDimensionEx (hbitmap, &size);
431 /* allocate a new gdk pixmap */
432 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
433 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
434 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
435 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
437 draw_impl->handle = hbitmap;
438 draw_impl->colormap = NULL;
439 pix_impl->width = w_ret;
440 pix_impl->height = h_ret;
442 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);