1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 * Copyright (C) 1998-2002 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/.
33 #include "gdkpixmap.h"
34 #include "gdkdisplay.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 (PIXMAP, g_print ("gdk_pixmap_impl_win32_finalize: %p\n",
109 GDK_PIXMAP_HBITMAP (wrapper)));
111 _gdk_win32_drawable_finish (GDK_DRAWABLE (object));
113 GDI_CALL (DeleteObject, (GDK_PIXMAP_HBITMAP (wrapper)));
115 gdk_win32_handle_table_remove (GDK_PIXMAP_HBITMAP (wrapper));
117 G_OBJECT_CLASS (parent_class)->finalize (object);
121 gdk_pixmap_impl_win32_get_size (GdkDrawable *drawable,
126 *width = GDK_PIXMAP_IMPL_WIN32 (drawable)->width;
128 *height = GDK_PIXMAP_IMPL_WIN32 (drawable)->height;
132 gdk_pixmap_new (GdkDrawable *drawable,
138 BITMAPINFOHEADER bmiHeader;
140 WORD bmiIndices[256];
142 RGBQUAD bmiColors[256];
148 HPALETTE holdpal = NULL;
151 GdkDrawableImplWin32 *drawable_impl;
152 GdkPixmapImplWin32 *pixmap_impl;
158 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
159 g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
160 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
163 drawable = _gdk_root;
165 if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
168 window_depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));
170 depth = window_depth;
172 GDK_NOTE (PIXMAP, g_print ("gdk_pixmap_new: %dx%dx%d drawable=%p\n",
173 width, height, depth, drawable));
175 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
176 drawable_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
177 pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
178 drawable_impl->wrapper = GDK_DRAWABLE (pixmap);
180 pixmap_impl->is_foreign = FALSE;
181 pixmap_impl->width = width;
182 pixmap_impl->height = height;
183 GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
185 if (depth == window_depth)
187 cmap = gdk_drawable_get_colormap (drawable);
189 gdk_drawable_set_colormap (pixmap, cmap);
192 if (GDK_IS_WINDOW (drawable))
193 hwnd = GDK_WINDOW_HWND (drawable);
195 hwnd = GetDesktopWindow ();
196 if ((hdc = GetDC (hwnd)) == 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;
212 bmi.bmiHeader.biBitCount = depth;
216 bmi.bmiHeader.biBitCount = 4;
223 bmi.bmiHeader.biBitCount = 8;
228 bmi.bmiHeader.biBitCount = 16;
232 g_warning ("gdk_win32_pixmap_new: depth = %d", depth);
233 g_assert_not_reached ();
236 if (bmi.bmiHeader.biBitCount == 16)
237 bmi.bmiHeader.biCompression = BI_BITFIELDS;
239 bmi.bmiHeader.biCompression = BI_RGB;
241 bmi.bmiHeader.biSizeImage = 0;
242 bmi.bmiHeader.biXPelsPerMeter =
243 bmi.bmiHeader.biYPelsPerMeter = 0;
244 bmi.bmiHeader.biClrUsed = 0;
245 bmi.bmiHeader.biClrImportant = 0;
247 iUsage = DIB_RGB_COLORS;
250 bmi.u.bmiColors[0].rgbBlue =
251 bmi.u.bmiColors[0].rgbGreen =
252 bmi.u.bmiColors[0].rgbRed = 0x00;
253 bmi.u.bmiColors[0].rgbReserved = 0x00;
255 bmi.u.bmiColors[1].rgbBlue =
256 bmi.u.bmiColors[1].rgbGreen =
257 bmi.u.bmiColors[1].rgbRed = 0xFF;
258 bmi.u.bmiColors[1].rgbReserved = 0x00;
262 if (depth <= 8 && drawable_impl->colormap != NULL)
264 GdkColormapPrivateWin32 *cmapp =
265 GDK_WIN32_COLORMAP_DATA (drawable_impl->colormap);
268 if ((holdpal = SelectPalette (hdc, cmapp->hpal, FALSE)) == NULL)
269 WIN32_GDI_FAILED ("SelectPalette");
270 else if ((k = RealizePalette (hdc)) == GDI_ERROR)
271 WIN32_GDI_FAILED ("RealizePalette");
273 GDK_NOTE (PIXMAP_OR_COLORMAP, g_print ("_gdk_win32_pixmap_new: realized %p: %d colors\n",
276 iUsage = DIB_PAL_COLORS;
277 for (i = 0; i < 256; i++)
278 bmi.u.bmiIndices[i] = i;
280 else if (bmi.bmiHeader.biBitCount == 16)
282 GdkVisual *visual = gdk_visual_get_system ();
284 bmi.u.bmiMasks[0] = visual->red_mask;
285 bmi.u.bmiMasks[1] = visual->green_mask;
286 bmi.u.bmiMasks[2] = visual->blue_mask;
290 hbitmap = CreateDIBSection (hdc, (BITMAPINFO *) &bmi,
291 iUsage, (PVOID *) &bits, NULL, 0);
293 SelectPalette (hdc, holdpal, FALSE);
295 GDI_CALL (ReleaseDC, (hwnd, hdc));
297 GDK_NOTE (PIXMAP, g_print ("... =%p bits=%p pixmap=%p\n", hbitmap, bits, pixmap));
301 WIN32_GDI_FAILED ("CreateDIBSection");
302 g_object_unref ((GObject *) pixmap);
306 drawable_impl->handle = hbitmap;
307 pixmap_impl->bits = bits;
309 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
314 static const unsigned char mirror[256] = {
315 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
316 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
317 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
318 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
319 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
320 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
321 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
322 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
323 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
324 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
325 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
326 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
327 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
328 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
329 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
330 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
331 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
332 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
333 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
334 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
335 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
336 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
337 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
338 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
339 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
340 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
341 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
342 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
343 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
344 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
345 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
346 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
350 gdk_bitmap_create_from_data (GdkDrawable *drawable,
356 GdkPixmapImplWin32 *pixmap_impl;
357 gint i, j, data_bpl, pixmap_bpl;
360 g_return_val_if_fail (data != NULL, NULL);
361 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
362 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
365 drawable = _gdk_root;
366 else if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
369 pixmap = gdk_pixmap_new (drawable, width, height, 1);
374 pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
375 bits = pixmap_impl->bits;
376 data_bpl = ((width - 1) / 8 + 1);
377 pixmap_bpl = ((width - 1)/32 + 1)*4;
379 for (i = 0; i < height; i++)
380 for (j = 0; j < data_bpl; j++)
381 bits[i*pixmap_bpl + j] = mirror[(guchar) data[i*data_bpl + j]];
383 GDK_NOTE (PIXMAP, g_print ("gdk_bitmap_create_from_data: %dx%d=%p\n",
384 width, height, GDK_PIXMAP_HBITMAP (pixmap)));
390 gdk_pixmap_create_from_data (GdkDrawable *drawable,
398 /* Oh wow. I struggled with dozens of lines of code trying to get
399 * this right using a monochrome Win32 bitmap created from data, and
400 * a colour DIB section as the result, trying setting pens,
401 * background colors, whatnot and BitBlt:ing. Nope. Then finally I
402 * realized it's much easier to do it using gdk...:
409 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
410 g_return_val_if_fail (data != NULL, NULL);
411 g_return_val_if_fail (fg != NULL, NULL);
412 g_return_val_if_fail (bg != NULL, NULL);
413 g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
414 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
416 if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
419 result = gdk_pixmap_new (drawable, width, height, depth);
420 source = gdk_bitmap_create_from_data (drawable, data, width, height);
421 gc = gdk_gc_new (result);
423 gdk_gc_set_foreground (gc, fg);
424 gdk_gc_set_background (gc, bg);
427 GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (result)->impl),
428 gc, source, 0, 0, 0, 0, width, height);
429 g_object_unref (source);
432 GDK_NOTE (PIXMAP, g_print ("gdk_pixmap_create_from_data: %dx%dx%d=%p\n",
433 width, height, depth,
434 GDK_PIXMAP_HBITMAP (result)));
440 gdk_pixmap_foreign_new_for_display (GdkDisplay *display,
441 GdkNativeWindow anid)
443 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
444 g_return_val_if_fail (display == _gdk_display, NULL);
446 return gdk_pixmap_foreign_new (anid);
450 gdk_pixmap_foreign_new (GdkNativeWindow anid)
453 GdkDrawableImplWin32 *draw_impl;
454 GdkPixmapImplWin32 *pix_impl;
458 /* Check to make sure we were passed a HBITMAP */
459 g_return_val_if_fail (GetObjectType ((HGDIOBJ) anid) == OBJ_BITMAP, NULL);
461 hbitmap = (HBITMAP) anid;
463 /* Get information about the bitmap to fill in the structure for the
466 GetBitmapDimensionEx (hbitmap, &size);
468 /* Allocate a new GDK pixmap */
469 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
470 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
471 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
472 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
474 draw_impl->handle = hbitmap;
475 draw_impl->colormap = NULL;
476 pix_impl->width = size.cx;
477 pix_impl->height = size.cy;
478 pix_impl->bits = NULL;
480 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
486 gdk_pixmap_lookup (GdkNativeWindow anid)
488 return (GdkPixmap*) gdk_win32_handle_table_lookup (anid);
492 gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
494 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
495 g_return_val_if_fail (display == _gdk_display, NULL);
497 return gdk_pixmap_lookup (anid);