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;
237 draw_impl->colormap = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap;
238 if (draw_impl->colormap == NULL)
239 draw_impl->colormap = gdk_colormap_get_system ();
243 iUsage = DIB_PAL_COLORS;
244 for (i = 0; i < 256; i++)
245 bmi.u.bmiIndices[i] = i;
249 if (depth != visual->depth)
250 g_warning ("gdk_pixmap_new: depth %d doesn't match display depth %d",
251 depth, visual->depth);
254 bmi.u.bmiMasks[0] = visual->red_mask;
255 bmi.u.bmiMasks[1] = visual->green_mask;
256 bmi.u.bmiMasks[2] = visual->blue_mask;
260 if ((draw_impl->handle = CreateDIBSection (hdc, (BITMAPINFO *) &bmi,
261 iUsage, (PVOID *) &bits,
264 WIN32_GDI_FAILED ("CreateDIBSection");
265 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
266 g_object_unref ((GObject *) pixmap);
269 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
271 GDK_NOTE (MISC, g_print ("... = %#x\n",
272 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
274 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
279 static unsigned char mirror[256] = {
280 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
281 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
282 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
283 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
284 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
285 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
286 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
287 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
288 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
289 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
290 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
291 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
292 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
293 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
294 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
295 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
296 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
297 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
298 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
299 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
300 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
301 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
302 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
303 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
304 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
305 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
306 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
307 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
308 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
309 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
310 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
311 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
315 gdk_bitmap_create_from_data (GdkWindow *window,
321 GdkDrawableImplWin32 *draw_impl;
322 GdkPixmapImplWin32 *pix_impl;
323 gint i, j, bpl, aligned_bpl;
326 g_return_val_if_fail (data != NULL, NULL);
327 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
328 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
331 window = gdk_parent_root;
333 if (GDK_WINDOW_DESTROYED (window))
336 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
337 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
338 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
339 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
341 pix_impl->is_foreign = FALSE;
342 pix_impl->width = width;
343 pix_impl->height = height;
344 GDK_PIXMAP_OBJECT (pixmap)->depth = 1;
346 bpl = ((width - 1) / 8 + 1);
347 aligned_bpl = ((bpl - 1) / 2 + 1) * 2;
348 bits = g_malloc (aligned_bpl * height);
349 for (i = 0; i < height; i++)
350 for (j = 0; j < bpl; j++)
351 bits[i*aligned_bpl + j] = mirror[(guchar) data[i*bpl + j]];
353 draw_impl->handle = CreateBitmap (width, height, 1, 1, bits);
355 GDK_NOTE (MISC, g_print ("gdk_bitmap_create_from_data: %dx%d = %#x\n",
357 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
361 draw_impl->colormap = NULL;
362 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
368 gdk_pixmap_create_from_data (GdkWindow *window,
376 /* Oh wow. I struggled with dozens of lines of code trying to get
377 * this right using a monochrome Win32 bitmap created from data, and
378 * a colour DIB section as the result, trying setting pens,
379 * background colors, whatnot and BitBlt:ing. Nope. Then finally I
380 * realized it's much easier to do it using gdk...:
383 GdkPixmap *result = gdk_pixmap_new (window, width, height, depth);
384 GdkPixmap *source = gdk_bitmap_create_from_data (window, data, width, height);
385 GdkGC *gc = gdk_gc_new (result);
386 gdk_gc_set_foreground (gc, fg);
387 gdk_gc_set_background (gc, bg);
388 gdk_draw_drawable (result, gc, source, 0, 0, 0, 0, width, height);
389 gdk_drawable_unref (source);
392 GDK_NOTE (MISC, g_print ("gdk_pixmap_create_from_data: %dx%dx%d = %#x\n",
393 width, height, depth,
394 (guint) GDK_PIXMAP_HBITMAP (result)));
400 gdk_pixmap_foreign_new (GdkNativeWindow anid)
403 GdkDrawableImplWin32 *draw_impl;
404 GdkPixmapImplWin32 *pix_impl;
407 unsigned int w_ret, h_ret;
409 /* check to make sure we were passed a HBITMAP */
410 g_return_val_if_fail(GetObjectType ((HGDIOBJ) anid) == OBJ_BITMAP, NULL);
412 /* set the pixmap to the passed in value */
413 hbitmap = (HBITMAP) anid;
415 /* get information about the bitmap to fill in the structure for
417 GetBitmapDimensionEx (hbitmap, &size);
421 /* allocate a new gdk pixmap */
422 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
423 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
424 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
425 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
427 draw_impl->handle = hbitmap;
428 draw_impl->colormap = NULL;
429 pix_impl->width = w_ret;
430 pix_impl->height = h_ret;
432 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);