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/.
32 #include "gdkpixmap.h"
33 #include "gdkprivate-win32.h"
35 static void gdk_pixmap_impl_win32_get_size (GdkDrawable *drawable,
39 static void gdk_pixmap_impl_win32_init (GdkPixmapImplWin32 *pixmap);
40 static void gdk_pixmap_impl_win32_class_init (GdkPixmapImplWin32Class *klass);
41 static void gdk_pixmap_impl_win32_finalize (GObject *object);
43 static gpointer parent_class = NULL;
46 _gdk_pixmap_impl_win32_get_type (void)
48 static GType object_type = 0;
52 static const GTypeInfo object_info =
54 sizeof (GdkPixmapImplWin32Class),
56 (GBaseFinalizeFunc) NULL,
57 (GClassInitFunc) gdk_pixmap_impl_win32_class_init,
58 NULL, /* class_finalize */
59 NULL, /* class_data */
60 sizeof (GdkPixmapImplWin32),
62 (GInstanceInitFunc) gdk_pixmap_impl_win32_init,
65 object_type = g_type_register_static (GDK_TYPE_DRAWABLE_IMPL_WIN32,
74 _gdk_pixmap_impl_get_type (void)
76 return _gdk_pixmap_impl_win32_get_type ();
80 gdk_pixmap_impl_win32_init (GdkPixmapImplWin32 *impl)
87 gdk_pixmap_impl_win32_class_init (GdkPixmapImplWin32Class *klass)
89 GObjectClass *object_class = G_OBJECT_CLASS (klass);
90 GdkDrawableClass *drawable_class = GDK_DRAWABLE_CLASS (klass);
92 parent_class = g_type_class_peek_parent (klass);
94 object_class->finalize = gdk_pixmap_impl_win32_finalize;
96 drawable_class->get_size = gdk_pixmap_impl_win32_get_size;
100 gdk_pixmap_impl_win32_finalize (GObject *object)
102 GdkPixmapImplWin32 *impl = GDK_PIXMAP_IMPL_WIN32 (object);
103 GdkPixmap *wrapper = GDK_PIXMAP (GDK_DRAWABLE_IMPL_WIN32 (impl)->wrapper);
105 GDK_NOTE (MISC, g_print ("gdk_pixmap_impl_win32_finalize: %#x\n",
106 (guint) GDK_PIXMAP_HBITMAP (wrapper)));
108 if (!DeleteObject (GDK_PIXMAP_HBITMAP (wrapper)))
109 WIN32_GDI_FAILED ("DeleteObject");
111 gdk_win32_handle_table_remove (GDK_PIXMAP_HBITMAP (wrapper));
113 G_OBJECT_CLASS (parent_class)->finalize (object);
117 gdk_pixmap_impl_win32_get_size (GdkDrawable *drawable,
122 *width = GDK_PIXMAP_IMPL_WIN32 (drawable)->width;
124 *height = GDK_PIXMAP_IMPL_WIN32 (drawable)->height;
128 gdk_pixmap_new (GdkWindow *window,
134 GdkDrawableImplWin32 *draw_impl;
135 GdkPixmapImplWin32 *pix_impl;
139 BITMAPINFOHEADER bmiHeader;
141 WORD bmiIndices[256];
143 RGBQUAD bmiColors[256];
152 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
153 g_return_val_if_fail ((window != NULL) || (depth != -1), NULL);
155 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
157 /* HB: Not The Right Thing to do, but a nice way to debug
158 * the backing store facility without immediate crashes ...
160 if (width == 0 || height == 0)
162 g_warning("gdk_pixmap_new: size requested: %ld %ld", width, height);
163 /* testing: where does it crash next? */
164 if (width == 0) width = 1;
165 if (height == 0) height = 1;
170 window = _gdk_parent_root;
172 if (GDK_WINDOW_DESTROYED (window))
175 visual = gdk_drawable_get_visual (window);
178 depth = gdk_drawable_get_depth (GDK_DRAWABLE (window));
180 GDK_NOTE (MISC, g_print ("gdk_pixmap_new: %dx%dx%d\n",
181 width, height, depth));
183 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
184 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
185 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
186 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
188 pix_impl->is_foreign = FALSE;
189 pix_impl->width = width;
190 pix_impl->height = height;
191 GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
193 if ((hdc = GetDC (GDK_WINDOW_HWND (window))) == NULL)
195 WIN32_GDI_FAILED ("GetDC");
196 g_object_unref ((GObject *) pixmap);
200 bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
201 bmi.bmiHeader.biWidth = width;
202 bmi.bmiHeader.biHeight = -height;
203 bmi.bmiHeader.biPlanes = 1;
205 bmi.bmiHeader.biBitCount = 16;
207 bmi.bmiHeader.biBitCount = depth;
209 bmi.bmiHeader.biCompression = BI_BITFIELDS;
211 bmi.bmiHeader.biCompression = BI_RGB;
212 bmi.bmiHeader.biSizeImage = 0;
213 bmi.bmiHeader.biXPelsPerMeter =
214 bmi.bmiHeader.biYPelsPerMeter = 0;
215 bmi.bmiHeader.biClrUsed = 0;
216 bmi.bmiHeader.biClrImportant = 0;
218 iUsage = DIB_RGB_COLORS;
221 bmi.u.bmiColors[0].rgbBlue =
222 bmi.u.bmiColors[0].rgbGreen =
223 bmi.u.bmiColors[0].rgbRed = 0x00;
224 bmi.u.bmiColors[0].rgbReserved = 0x00;
226 bmi.u.bmiColors[1].rgbBlue =
227 bmi.u.bmiColors[1].rgbGreen =
228 bmi.u.bmiColors[1].rgbRed = 0xFF;
229 bmi.u.bmiColors[1].rgbReserved = 0x00;
230 draw_impl->colormap = NULL;
231 GDK_NOTE (MISC, g_print ("... colormap NULL\n"));
235 draw_impl->colormap = GDK_DRAWABLE_IMPL_WIN32 (GDK_WINDOW_OBJECT (window)->impl)->colormap;
236 if (draw_impl->colormap == NULL)
237 draw_impl->colormap = gdk_colormap_get_system ();
238 GDK_NOTE (MISC, g_print ("... colormap %p\n", draw_impl->colormap));
242 iUsage = DIB_PAL_COLORS;
243 for (i = 0; i < 256; i++)
244 bmi.u.bmiIndices[i] = i;
248 if (depth != visual->depth)
249 g_warning ("gdk_pixmap_new: depth %d doesn't match display depth %d",
250 depth, visual->depth);
253 bmi.u.bmiMasks[0] = visual->red_mask;
254 bmi.u.bmiMasks[1] = visual->green_mask;
255 bmi.u.bmiMasks[2] = visual->blue_mask;
259 if ((draw_impl->handle = CreateDIBSection (hdc, (BITMAPINFO *) &bmi,
260 iUsage, (PVOID *) &bits,
263 WIN32_GDI_FAILED ("CreateDIBSection");
264 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
265 g_object_unref ((GObject *) pixmap);
268 ReleaseDC (GDK_WINDOW_HWND (window), hdc);
270 GDK_NOTE (MISC, g_print ("... = %#x\n",
271 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
273 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
278 static unsigned char mirror[256] = {
279 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
280 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
281 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
282 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
283 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
284 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
285 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
286 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
287 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
288 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
289 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
290 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
291 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
292 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
293 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
294 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
295 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
296 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
297 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
298 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
299 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
300 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
301 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
302 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
303 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
304 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
305 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
306 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
307 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
308 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
309 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
310 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
314 gdk_bitmap_create_from_data (GdkWindow *window,
320 GdkDrawableImplWin32 *draw_impl;
321 GdkPixmapImplWin32 *pix_impl;
322 gint i, j, bpl, aligned_bpl;
325 g_return_val_if_fail (data != NULL, NULL);
326 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
327 g_return_val_if_fail (window == NULL || GDK_IS_WINDOW (window), NULL);
330 window = _gdk_parent_root;
332 if (GDK_WINDOW_DESTROYED (window))
335 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
336 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
337 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
338 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
340 pix_impl->is_foreign = FALSE;
341 pix_impl->width = width;
342 pix_impl->height = height;
343 GDK_PIXMAP_OBJECT (pixmap)->depth = 1;
345 bpl = ((width - 1) / 8 + 1);
346 aligned_bpl = ((bpl - 1) / 2 + 1) * 2;
347 bits = g_malloc (aligned_bpl * height);
348 for (i = 0; i < height; i++)
349 for (j = 0; j < bpl; j++)
350 bits[i*aligned_bpl + j] = mirror[(guchar) data[i*bpl + j]];
352 draw_impl->handle = CreateBitmap (width, height, 1, 1, bits);
354 GDK_NOTE (MISC, g_print ("gdk_bitmap_create_from_data: %dx%d = %#x\n",
356 (guint) GDK_PIXMAP_HBITMAP (pixmap)));
360 draw_impl->colormap = NULL;
361 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
367 gdk_pixmap_create_from_data (GdkWindow *window,
375 /* Oh wow. I struggled with dozens of lines of code trying to get
376 * this right using a monochrome Win32 bitmap created from data, and
377 * a colour DIB section as the result, trying setting pens,
378 * background colors, whatnot and BitBlt:ing. Nope. Then finally I
379 * realized it's much easier to do it using gdk...:
386 if (GDK_WINDOW_DESTROYED (window))
389 result = gdk_pixmap_new (window, width, height, depth);
390 source = gdk_bitmap_create_from_data (window, data, width, height);
391 gc = gdk_gc_new (result);
393 gdk_gc_set_foreground (gc, fg);
394 gdk_gc_set_background (gc, bg);
395 gdk_draw_drawable (result, gc, source, 0, 0, 0, 0, width, height);
396 gdk_drawable_unref (source);
399 GDK_NOTE (MISC, g_print ("gdk_pixmap_create_from_data: %dx%dx%d = %#x\n",
400 width, height, depth,
401 (guint) GDK_PIXMAP_HBITMAP (result)));
407 gdk_pixmap_foreign_new (GdkNativeWindow anid)
410 GdkDrawableImplWin32 *draw_impl;
411 GdkPixmapImplWin32 *pix_impl;
414 unsigned int w_ret, h_ret;
416 /* check to make sure we were passed a HBITMAP */
417 g_return_val_if_fail(GetObjectType ((HGDIOBJ) anid) == OBJ_BITMAP, NULL);
419 /* set the pixmap to the passed in value */
420 hbitmap = (HBITMAP) anid;
422 /* get information about the bitmap to fill in the structure for
424 GetBitmapDimensionEx (hbitmap, &size);
428 /* allocate a new gdk pixmap */
429 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
430 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
431 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
432 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
434 draw_impl->handle = hbitmap;
435 draw_impl->colormap = NULL;
436 pix_impl->width = w_ret;
437 pix_impl->height = h_ret;
439 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);