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 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 (GdkDrawable *drawable,
137 BITMAPINFOHEADER bmiHeader;
139 WORD bmiIndices[256];
141 RGBQUAD bmiColors[256];
147 HPALETTE holdpal = NULL;
150 GdkDrawableImplWin32 *drawable_impl;
151 GdkPixmapImplWin32 *pixmap_impl;
157 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
158 g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
159 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
162 drawable = _gdk_parent_root;
164 if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
167 window_depth = gdk_drawable_get_depth (GDK_DRAWABLE (drawable));
169 depth = window_depth;
171 GDK_NOTE (PIXMAP, g_print ("gdk_pixmap_new: %dx%dx%d drawable=%p\n",
172 width, height, depth, drawable));
174 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
175 drawable_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
176 pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
177 drawable_impl->wrapper = GDK_DRAWABLE (pixmap);
179 pixmap_impl->is_foreign = FALSE;
180 pixmap_impl->width = width;
181 pixmap_impl->height = height;
182 GDK_PIXMAP_OBJECT (pixmap)->depth = depth;
184 if (depth == window_depth)
186 cmap = gdk_drawable_get_colormap (drawable);
188 gdk_drawable_set_colormap (pixmap, cmap);
191 if (GDK_IS_WINDOW (drawable))
192 hwnd = GDK_WINDOW_HWND (drawable);
194 hwnd = GDK_WINDOW_HWND (_gdk_parent_root);
195 if ((hdc = GetDC (hwnd)) == NULL)
197 WIN32_GDI_FAILED ("GetDC");
198 g_object_unref ((GObject *) pixmap);
202 bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
203 bmi.bmiHeader.biWidth = width;
204 bmi.bmiHeader.biHeight = -height;
205 bmi.bmiHeader.biPlanes = 1;
211 bmi.bmiHeader.biBitCount = depth;
215 bmi.bmiHeader.biBitCount = 4;
222 bmi.bmiHeader.biBitCount = 8;
227 bmi.bmiHeader.biBitCount = 16;
231 g_warning ("gdk_win32_pixmap_new: depth = %d", depth);
232 g_assert_not_reached ();
235 if (bmi.bmiHeader.biBitCount == 16)
236 bmi.bmiHeader.biCompression = BI_BITFIELDS;
238 bmi.bmiHeader.biCompression = BI_RGB;
240 bmi.bmiHeader.biSizeImage = 0;
241 bmi.bmiHeader.biXPelsPerMeter =
242 bmi.bmiHeader.biYPelsPerMeter = 0;
243 bmi.bmiHeader.biClrUsed = 0;
244 bmi.bmiHeader.biClrImportant = 0;
246 iUsage = DIB_RGB_COLORS;
249 bmi.u.bmiColors[0].rgbBlue =
250 bmi.u.bmiColors[0].rgbGreen =
251 bmi.u.bmiColors[0].rgbRed = 0x00;
252 bmi.u.bmiColors[0].rgbReserved = 0x00;
254 bmi.u.bmiColors[1].rgbBlue =
255 bmi.u.bmiColors[1].rgbGreen =
256 bmi.u.bmiColors[1].rgbRed = 0xFF;
257 bmi.u.bmiColors[1].rgbReserved = 0x00;
261 if (depth <= 8 && drawable_impl->colormap != NULL)
263 GdkColormapPrivateWin32 *cmapp =
264 GDK_WIN32_COLORMAP_DATA (drawable_impl->colormap);
267 if ((holdpal = SelectPalette (hdc, cmapp->hpal, FALSE)) == NULL)
268 WIN32_GDI_FAILED ("SelectPalette");
269 else if ((k = RealizePalette (hdc)) == GDI_ERROR)
270 WIN32_GDI_FAILED ("RealizePalette");
272 GDK_NOTE (PIXMAP_OR_COLORMAP, g_print ("_gdk_win32_pixmap_new: realized %p: %d colors\n",
275 iUsage = DIB_PAL_COLORS;
276 for (i = 0; i < 256; i++)
277 bmi.u.bmiIndices[i] = i;
279 else if (bmi.bmiHeader.biBitCount == 16)
281 GdkVisual *visual = gdk_visual_get_system ();
283 bmi.u.bmiMasks[0] = visual->red_mask;
284 bmi.u.bmiMasks[1] = visual->green_mask;
285 bmi.u.bmiMasks[2] = visual->blue_mask;
289 hbitmap = CreateDIBSection (hdc, (BITMAPINFO *) &bmi,
290 iUsage, (PVOID *) &bits, NULL, 0);
292 SelectPalette (hdc, holdpal, FALSE);
294 if (!ReleaseDC (hwnd, hdc))
295 WIN32_GDI_FAILED ("ReleaseDC");
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;
308 memset (bits, 0, (bmi.bmiHeader.biBitCount * width * height) / 8);
309 pixmap_impl->bits = bits;
311 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
316 static unsigned char mirror[256] = {
317 0x00, 0x80, 0x40, 0xc0, 0x20, 0xa0, 0x60, 0xe0,
318 0x10, 0x90, 0x50, 0xd0, 0x30, 0xb0, 0x70, 0xf0,
319 0x08, 0x88, 0x48, 0xc8, 0x28, 0xa8, 0x68, 0xe8,
320 0x18, 0x98, 0x58, 0xd8, 0x38, 0xb8, 0x78, 0xf8,
321 0x04, 0x84, 0x44, 0xc4, 0x24, 0xa4, 0x64, 0xe4,
322 0x14, 0x94, 0x54, 0xd4, 0x34, 0xb4, 0x74, 0xf4,
323 0x0c, 0x8c, 0x4c, 0xcc, 0x2c, 0xac, 0x6c, 0xec,
324 0x1c, 0x9c, 0x5c, 0xdc, 0x3c, 0xbc, 0x7c, 0xfc,
325 0x02, 0x82, 0x42, 0xc2, 0x22, 0xa2, 0x62, 0xe2,
326 0x12, 0x92, 0x52, 0xd2, 0x32, 0xb2, 0x72, 0xf2,
327 0x0a, 0x8a, 0x4a, 0xca, 0x2a, 0xaa, 0x6a, 0xea,
328 0x1a, 0x9a, 0x5a, 0xda, 0x3a, 0xba, 0x7a, 0xfa,
329 0x06, 0x86, 0x46, 0xc6, 0x26, 0xa6, 0x66, 0xe6,
330 0x16, 0x96, 0x56, 0xd6, 0x36, 0xb6, 0x76, 0xf6,
331 0x0e, 0x8e, 0x4e, 0xce, 0x2e, 0xae, 0x6e, 0xee,
332 0x1e, 0x9e, 0x5e, 0xde, 0x3e, 0xbe, 0x7e, 0xfe,
333 0x01, 0x81, 0x41, 0xc1, 0x21, 0xa1, 0x61, 0xe1,
334 0x11, 0x91, 0x51, 0xd1, 0x31, 0xb1, 0x71, 0xf1,
335 0x09, 0x89, 0x49, 0xc9, 0x29, 0xa9, 0x69, 0xe9,
336 0x19, 0x99, 0x59, 0xd9, 0x39, 0xb9, 0x79, 0xf9,
337 0x05, 0x85, 0x45, 0xc5, 0x25, 0xa5, 0x65, 0xe5,
338 0x15, 0x95, 0x55, 0xd5, 0x35, 0xb5, 0x75, 0xf5,
339 0x0d, 0x8d, 0x4d, 0xcd, 0x2d, 0xad, 0x6d, 0xed,
340 0x1d, 0x9d, 0x5d, 0xdd, 0x3d, 0xbd, 0x7d, 0xfd,
341 0x03, 0x83, 0x43, 0xc3, 0x23, 0xa3, 0x63, 0xe3,
342 0x13, 0x93, 0x53, 0xd3, 0x33, 0xb3, 0x73, 0xf3,
343 0x0b, 0x8b, 0x4b, 0xcb, 0x2b, 0xab, 0x6b, 0xeb,
344 0x1b, 0x9b, 0x5b, 0xdb, 0x3b, 0xbb, 0x7b, 0xfb,
345 0x07, 0x87, 0x47, 0xc7, 0x27, 0xa7, 0x67, 0xe7,
346 0x17, 0x97, 0x57, 0xd7, 0x37, 0xb7, 0x77, 0xf7,
347 0x0f, 0x8f, 0x4f, 0xcf, 0x2f, 0xaf, 0x6f, 0xef,
348 0x1f, 0x9f, 0x5f, 0xdf, 0x3f, 0xbf, 0x7f, 0xff
352 gdk_bitmap_create_from_data (GdkDrawable *drawable,
358 GdkPixmapImplWin32 *pixmap_impl;
359 gint i, j, data_bpl, pixmap_bpl;
362 g_return_val_if_fail (data != NULL, NULL);
363 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
364 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
367 drawable = _gdk_parent_root;
369 if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
372 pixmap = gdk_pixmap_new (drawable, width, height, 1);
377 pixmap_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
378 bits = pixmap_impl->bits;
379 data_bpl = ((width - 1) / 8 + 1);
380 pixmap_bpl = ((width - 1)/32 + 1)*4;
382 for (i = 0; i < height; i++)
383 for (j = 0; j < data_bpl; j++)
384 bits[i*pixmap_bpl + j] = mirror[(guchar) data[i*data_bpl + j]];
386 GDK_NOTE (PIXMAP, g_print ("gdk_bitmap_create_from_data: %dx%d=%p\n",
387 width, height, GDK_PIXMAP_HBITMAP (pixmap)));
393 gdk_pixmap_create_from_data (GdkDrawable *drawable,
401 /* Oh wow. I struggled with dozens of lines of code trying to get
402 * this right using a monochrome Win32 bitmap created from data, and
403 * a colour DIB section as the result, trying setting pens,
404 * background colors, whatnot and BitBlt:ing. Nope. Then finally I
405 * realized it's much easier to do it using gdk...:
412 g_return_val_if_fail (drawable == NULL || GDK_IS_DRAWABLE (drawable), NULL);
413 g_return_val_if_fail (data != NULL, NULL);
414 g_return_val_if_fail (fg != NULL, NULL);
415 g_return_val_if_fail (bg != NULL, NULL);
416 g_return_val_if_fail ((drawable != NULL) || (depth != -1), NULL);
417 g_return_val_if_fail ((width != 0) && (height != 0), NULL);
419 if (GDK_IS_WINDOW (drawable) && GDK_WINDOW_DESTROYED (drawable))
422 result = gdk_pixmap_new (drawable, width, height, depth);
423 source = gdk_bitmap_create_from_data (drawable, data, width, height);
424 gc = gdk_gc_new (result);
426 gdk_gc_set_foreground (gc, fg);
427 gdk_gc_set_background (gc, bg);
430 GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (result)->impl),
431 gc, source, 0, 0, 0, 0, width, height);
432 g_object_unref (source);
435 GDK_NOTE (PIXMAP, g_print ("gdk_pixmap_create_from_data: %dx%dx%d=%p\n",
436 width, height, depth,
437 GDK_PIXMAP_HBITMAP (result)));
443 gdk_pixmap_foreign_new_for_display (GdkDisplay *display,
444 GdkNativeWindow anid)
446 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
447 g_return_val_if_fail (display == _gdk_display, NULL);
449 return gdk_pixmap_foreign_new (anid);
453 gdk_pixmap_foreign_new (GdkNativeWindow anid)
456 GdkDrawableImplWin32 *draw_impl;
457 GdkPixmapImplWin32 *pix_impl;
461 /* Check to make sure we were passed a HBITMAP */
462 g_return_val_if_fail (GetObjectType ((HGDIOBJ) anid) == OBJ_BITMAP, NULL);
464 hbitmap = (HBITMAP) anid;
466 /* Get information about the bitmap to fill in the structure for the
469 GetBitmapDimensionEx (hbitmap, &size);
471 /* Allocate a new GDK pixmap */
472 pixmap = g_object_new (gdk_pixmap_get_type (), NULL);
473 draw_impl = GDK_DRAWABLE_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
474 pix_impl = GDK_PIXMAP_IMPL_WIN32 (GDK_PIXMAP_OBJECT (pixmap)->impl);
475 draw_impl->wrapper = GDK_DRAWABLE (pixmap);
477 draw_impl->handle = hbitmap;
478 draw_impl->colormap = NULL;
479 pix_impl->width = size.cx;
480 pix_impl->height = size.cy;
481 pix_impl->bits = NULL;
483 gdk_win32_handle_table_insert (&GDK_PIXMAP_HBITMAP (pixmap), pixmap);
489 gdk_pixmap_lookup (GdkNativeWindow anid)
491 return (GdkPixmap*) gdk_win32_handle_table_lookup (anid);
495 gdk_pixmap_lookup_for_display (GdkDisplay *display, GdkNativeWindow anid)
497 g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
498 g_return_val_if_fail (display == _gdk_display, NULL);
500 return gdk_pixmap_lookup (anid);