1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
21 * Modified by the GTK+ Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GTK+ Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GTK+ at ftp://ftp.gtk.org/pub/gtk/.
33 #include "gdkpixmap.h"
34 #include "gdkprivate.h"
37 static void gdk_win32_gc_destroy (GdkGC *gc);
38 static void gdk_win32_gc_get_values (GdkGC *gc,
40 static void gdk_win32_gc_set_values (GdkGC *gc,
42 GdkGCValuesMask values_mask);
43 static void gdk_win32_gc_set_dashes (GdkGC *gc,
48 static GdkGCClass gdk_win32_gc_class = {
50 gdk_win32_gc_get_values,
51 gdk_win32_gc_set_values,
52 gdk_win32_gc_set_dashes
56 _gdk_win32_gc_new (GdkDrawable *drawable,
58 GdkGCValuesMask values_mask)
61 GdkGCPrivate *private;
63 static GdkColor black;
64 static GdkColor white;
65 static gboolean beenhere = FALSE;
69 gdk_color_black (gdk_colormap_get_system (), &black);
70 gdk_color_white (gdk_colormap_get_system (), &white);
75 private = (GdkGCPrivate *)gc;
77 private->klass = &gdk_win32_gc_class;
78 private->klass_data = data = g_new (GdkGCWin32Data, 1);
80 data->rop2 = R2_COPYPEN;
81 data->fill_style = GDK_SOLID;
82 data->values_mask = values_mask;
83 data->values_mask |= GDK_GC_FUNCTION | GDK_GC_FILL;
85 GDK_NOTE (MISC, g_print ("_gdk_win32_gc_new: {"));
87 if (values_mask & GDK_GC_FOREGROUND)
89 data->foreground = values->foreground;
92 data->foreground = black;
94 if (values_mask & GDK_GC_BACKGROUND)
96 data->background = values->background;
99 data->background = white;
101 if ((values_mask & GDK_GC_FONT) && (values->font->type == GDK_FONT_FONT
102 || values->font->type == GDK_FONT_FONTSET))
104 data->font = values->font;
105 gdk_font_ref (data->font);
106 GDK_NOTE (MISC, g_print (" font"));
111 if (values_mask & GDK_GC_FUNCTION)
113 switch (values->function)
116 data->rop2 = R2_COPYPEN; break;
118 data->rop2 = R2_NOT; break;
120 data->rop2 = R2_XORPEN; break;
122 data->rop2 = R2_BLACK; break;
124 data->rop2 = R2_MASKPEN; break;
125 case GDK_AND_REVERSE:
126 data->rop2 = R2_MASKPENNOT; break;
128 data->rop2 = R2_MASKNOTPEN; break;
130 data->rop2 = R2_NOP; break;
132 data->rop2 = R2_MERGEPEN; break;
134 data->rop2 = R2_NOTXORPEN; break;
136 data->rop2 = R2_MERGEPENNOT; break;
137 case GDK_COPY_INVERT:
138 data->rop2 = R2_NOTCOPYPEN; break;
140 data->rop2 = R2_MERGENOTPEN; break;
142 data->rop2 = R2_NOTMASKPEN; break;
144 data->rop2 = R2_WHITE; break;
146 GDK_NOTE (MISC, g_print (" function=%d", data->rop2));
149 if (values_mask & GDK_GC_FILL)
151 data->fill_style = values->fill;
152 GDK_NOTE (MISC, g_print (" fill=%d", data->fill_style));
155 if (values_mask & GDK_GC_TILE)
157 data->tile = values->tile;
158 gdk_pixmap_ref (data->tile);
159 GDK_NOTE (MISC, g_print (" tile=%#x", GDK_DRAWABLE_XID (data->tile)));
164 if (values_mask & GDK_GC_STIPPLE)
166 data->stipple = values->stipple;
167 gdk_pixmap_ref (data->stipple);
168 GDK_NOTE (MISC, g_print (" stipple=%#x", GDK_DRAWABLE_XID (data->stipple)));
171 data->stipple = NULL;
173 if (values_mask & GDK_GC_CLIP_MASK)
176 BitmapToRegion ((HBITMAP) GDK_DRAWABLE_XID (values->clip_mask));
177 GDK_NOTE (MISC, g_print (" clip=%#x", data->clip_region));
180 data->clip_region = NULL;
182 if (values_mask & GDK_GC_SUBWINDOW)
184 data->subwindow_mode = values->subwindow_mode;
185 GDK_NOTE (MISC, g_print (" subw=%d", data->subwindow_mode));
188 if (values_mask & GDK_GC_TS_X_ORIGIN)
190 data->ts_x_origin = values->ts_x_origin;
191 GDK_NOTE (MISC, g_print (" ts_x=%d", data->ts_x_origin));
194 if (values_mask & GDK_GC_TS_Y_ORIGIN)
196 data->ts_y_origin = values->ts_y_origin;
197 GDK_NOTE (MISC, g_print (" ts_y=%d", data->ts_y_origin));
200 if (values_mask & GDK_GC_CLIP_X_ORIGIN)
202 data->clip_x_origin = values->clip_x_origin;
203 GDK_NOTE (MISC, g_print (" clip_x=%d", data->clip_x_origin));
206 if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
208 data->clip_y_origin = values->clip_y_origin;
209 GDK_NOTE (MISC, g_print (" clip_y=%d", data->clip_y_origin));
212 if (values_mask & GDK_GC_EXPOSURES)
214 data->graphics_exposures = values->graphics_exposures;
215 GDK_NOTE (MISC, g_print (" exp=%d", data->graphics_exposures));
218 data->pen_style = PS_GEOMETRIC;
221 if (values_mask & (GDK_GC_LINE_WIDTH | GDK_GC_LINE_STYLE))
223 if (values_mask & GDK_GC_LINE_WIDTH)
225 data->pen_width = values->line_width;
226 GDK_NOTE (MISC, g_print (" pw=%d", data->pen_width));
228 if (values_mask & GDK_GC_LINE_STYLE)
230 switch (values->line_style)
233 data->pen_style |= PS_SOLID; break;
234 case GDK_LINE_ON_OFF_DASH:
235 case GDK_LINE_DOUBLE_DASH: /* ??? */
236 data->pen_style |= PS_DASH; break;
238 GDK_NOTE (MISC, g_print (" ps=%#x", data->pen_style));
242 if (values_mask & GDK_GC_CAP_STYLE)
244 switch (values->cap_style)
246 case GDK_CAP_NOT_LAST: /* ??? */
248 data->pen_style |= PS_ENDCAP_FLAT; break;
250 data->pen_style |= PS_ENDCAP_ROUND; break;
251 case GDK_CAP_PROJECTING:
252 data->pen_style |= PS_ENDCAP_SQUARE; break;
254 GDK_NOTE (MISC, g_print (" ps=%#x", data->pen_style));
257 if (values_mask & GDK_GC_JOIN_STYLE)
259 switch (values->join_style)
262 data->pen_style |= PS_JOIN_MITER;
265 data->pen_style |= PS_JOIN_ROUND;
268 data->pen_style |= PS_JOIN_BEVEL;
271 GDK_NOTE (MISC, g_print (" ps=%#x", data->pen_style));
277 GDK_NOTE (MISC, g_print ("} = %p\n", gc));
283 gdk_win32_gc_destroy (GdkGC *gc)
285 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc);
287 if (data->values_mask & GDK_GC_FONT)
288 gdk_font_unref (data->font);
290 if (data->values_mask & GDK_GC_TILE)
291 gdk_pixmap_unref (data->tile);
293 if (data->values_mask & GDK_GC_STIPPLE)
294 gdk_pixmap_unref (data->stipple);
296 if (data->values_mask & GDK_GC_CLIP_MASK)
297 DeleteObject (data->clip_region);
299 g_free (GDK_GC_WIN32DATA (gc));
303 gdk_win32_gc_get_values (GdkGC *gc,
306 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc);
308 values->foreground = data->foreground;
309 values->background = data->background;
310 values->font = data->font;
315 values->function = GDK_COPY; break;
317 values->function = GDK_INVERT; break;
319 values->function = GDK_XOR; break;
321 values->function = GDK_CLEAR; break;
323 values->function = GDK_AND; break;
325 values->function = GDK_AND_REVERSE; break;
327 values->function = GDK_AND_INVERT; break;
329 values->function = GDK_NOOP; break;
331 values->function = GDK_OR; break;
333 values->function = GDK_EQUIV; break;
335 values->function = GDK_OR_REVERSE; break;
337 values->function = GDK_COPY_INVERT; break;
339 values->function = GDK_OR_INVERT; break;
341 values->function = GDK_NAND; break;
343 values->function = GDK_SET; break;
346 values->fill = data->fill_style;
348 values->tile = data->tile;
349 values->stipple = data->stipple;
350 if (data->clip_region != NULL)
358 GetRgnBox (data->clip_region, &rect);
360 gdk_pixmap_new (NULL, rect.right - rect.left, rect.bottom - rect.top,
362 hbr = GetStockObject (WHITE_BRUSH);
363 if ((hdc = CreateCompatibleDC (NULL)) == NULL)
364 g_warning ("gdk_gc_get_values: CreateCompatibleDC failed");
366 SelectObject (hdc, GDK_DRAWABLE_XID (pixmap))) == NULL)
367 g_warning ("gdk_gc_get_values: SelectObject #1 failed");
368 hbr = GetStockObject (BLACK_BRUSH);
369 if (!FillRect (hdc, &rect, hbr))
370 g_warning ("gdk_gc_get_values: FillRect failed");
371 hbr = GetStockObject (WHITE_BRUSH);
372 if (!FillRgn (hdc, data->clip_region, hbr))
373 g_warning ("gdk_gc_get_values: FillRgn failed");
374 if (SelectObject (hdc, oldbitmap) == NULL)
375 g_warning ("gdk_gc_get_values: SelectObject #2 failed");
377 values->clip_mask = pixmap;
380 values->clip_mask = NULL;
381 values->subwindow_mode = data->subwindow_mode;
382 values->ts_x_origin = data->ts_x_origin;
383 values->ts_y_origin = data->ts_y_origin;
384 values->clip_x_origin = data->clip_x_origin;
385 values->clip_y_origin = data->clip_y_origin;
386 values->graphics_exposures = data->graphics_exposures;
387 values->line_width = data->pen_width;
389 if (data->pen_style & PS_SOLID)
390 values->line_style = GDK_LINE_SOLID;
391 else if (data->pen_style & PS_DASH)
392 values->line_style = GDK_LINE_ON_OFF_DASH;
394 values->line_style = GDK_LINE_SOLID;
396 /* PS_ENDCAP_ROUND is zero */
397 if (data->pen_style & PS_ENDCAP_FLAT)
398 values->cap_style = GDK_CAP_BUTT;
399 else if (data->pen_style & PS_ENDCAP_SQUARE)
400 values->cap_style = GDK_CAP_PROJECTING;
402 values->cap_style = GDK_CAP_ROUND;
404 /* PS_JOIN_ROUND is zero */
405 if (data->pen_style & PS_JOIN_MITER)
406 values->join_style = GDK_JOIN_MITER;
407 else if (data->pen_style & PS_JOIN_BEVEL)
408 values->join_style = GDK_JOIN_BEVEL;
410 values->join_style = GDK_JOIN_ROUND;
414 gdk_win32_gc_set_values (GdkGC *gc,
416 GdkGCValuesMask values_mask)
418 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc);
421 GDK_NOTE (MISC, g_print ("gdk_win32_gc_set_values: {"));
423 if (values_mask & GDK_GC_FOREGROUND)
425 GDK_NOTE (MISC, g_print ("fg = %s ",
426 gdk_color_to_string (&values->foreground)));
427 data->foreground = values->foreground;
428 data->values_mask |= GDK_GC_FOREGROUND;
431 if (values_mask & GDK_GC_BACKGROUND)
433 GDK_NOTE (MISC, g_print ("bg = %s ",
434 gdk_color_to_string (&values->foreground)));
435 data->background = values->background;
436 data->values_mask |= GDK_GC_BACKGROUND;
439 if (values_mask & GDK_GC_FONT)
441 if (data->font != NULL)
442 gdk_font_unref (data->font);
443 data->font = values->font;
444 if (data->font != NULL)
446 GDK_NOTE (MISC, (xlfd = gdk_font_xlfd_create (data->font),
447 g_print ("font = %s ", xlfd),
448 gdk_font_xlfd_free (xlfd)));
449 gdk_font_ref (data->font);
450 data->values_mask |= GDK_GC_FONT;
454 GDK_NOTE (MISC, g_print ("font = NULL "));
455 data->values_mask &= ~GDK_GC_FONT;
459 if (values_mask & GDK_GC_FUNCTION)
461 GDK_NOTE (MISC, g_print ("fun = %d ", values->function));
463 switch (values->function)
466 data->rop2 = R2_COPYPEN; break;
468 data->rop2 = R2_NOT; break;
470 data->rop2 = R2_XORPEN; break;
472 data->rop2 = R2_BLACK; break;
474 data->rop2 = R2_MASKPEN; break;
475 case GDK_AND_REVERSE:
476 data->rop2 = R2_MASKPENNOT; break;
478 data->rop2 = R2_MASKNOTPEN; break;
480 data->rop2 = R2_NOP; break;
482 data->rop2 = R2_MERGEPEN; break;
484 data->rop2 = R2_NOTXORPEN; break;
486 data->rop2 = R2_MERGEPENNOT; break;
487 case GDK_COPY_INVERT:
488 data->rop2 = R2_NOTCOPYPEN; break;
490 data->rop2 = R2_MERGENOTPEN; break;
492 data->rop2 = R2_NOTMASKPEN; break;
494 data->rop2 = R2_WHITE; break;
496 data->values_mask |= GDK_GC_FUNCTION;
499 if (values_mask & GDK_GC_FILL)
501 GDK_NOTE (MISC, g_print ("fill = %d ", values->fill));
502 data->fill_style = values->fill;
503 data->values_mask |= GDK_GC_FILL;
506 if (values_mask & GDK_GC_TILE)
508 if (data->tile != NULL)
509 gdk_pixmap_unref (data->tile);
510 data->tile = values->tile;
511 if (data->tile != NULL)
513 GDK_NOTE (MISC, g_print ("tile = %#x ",
514 GDK_DRAWABLE_XID (values->tile)));
515 gdk_pixmap_ref (data->tile);
516 data->values_mask |= GDK_GC_TILE;
520 GDK_NOTE (MISC, g_print ("tile = NULL "));
521 data->values_mask &= ~GDK_GC_TILE;
525 if (values_mask & GDK_GC_STIPPLE)
527 if (data->stipple != NULL)
528 gdk_pixmap_unref (data->stipple);
529 data->stipple = values->stipple;
530 if (data->stipple != NULL)
532 GDK_NOTE (MISC, g_print ("stipple = %#x ",
533 GDK_DRAWABLE_XID (values->stipple)));
534 gdk_pixmap_ref (data->stipple);
535 data->values_mask |= GDK_GC_STIPPLE;
539 GDK_NOTE (MISC, g_print ("stipple = NULL "));
540 data->values_mask &= ~GDK_GC_STIPPLE;
544 if (values_mask & GDK_GC_CLIP_MASK)
546 if (data->clip_region != NULL)
547 if (!DeleteObject (data->clip_region))
548 g_warning ("gdk_win32_gc_set_values: DeleteObject failed");
549 if (values->clip_mask != NULL)
552 BitmapToRegion (GDK_DRAWABLE_XID (values->clip_mask));
553 data->values_mask |= GDK_GC_CLIP_MASK;
557 data->clip_region = NULL;
558 data->values_mask &= ~GDK_GC_CLIP_MASK;
562 if (values_mask & GDK_GC_SUBWINDOW)
564 data->values_mask |= GDK_GC_SUBWINDOW;
567 if (values_mask & GDK_GC_TS_X_ORIGIN)
569 data->ts_x_origin = values->ts_x_origin;
570 data->values_mask |= GDK_GC_TS_X_ORIGIN;
573 if (values_mask & GDK_GC_TS_Y_ORIGIN)
575 data->ts_y_origin = values->ts_y_origin;
576 data->values_mask |= GDK_GC_TS_Y_ORIGIN;
579 if (values_mask & GDK_GC_CLIP_X_ORIGIN)
581 data->clip_x_origin = values->clip_x_origin;
582 data->values_mask |= GDK_GC_CLIP_X_ORIGIN;
585 if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
587 data->clip_y_origin = values->clip_y_origin;
588 data->values_mask |= GDK_GC_CLIP_Y_ORIGIN;
591 if (values_mask & GDK_GC_EXPOSURES)
593 data->values_mask |= GDK_GC_EXPOSURES;
596 if (values_mask & GDK_GC_LINE_WIDTH)
598 data->pen_width = values->line_width;
599 data->values_mask |= GDK_GC_LINE_WIDTH;
602 if (values_mask & GDK_GC_LINE_STYLE)
604 data->pen_style &= ~(PS_STYLE_MASK);
605 switch (values->line_style)
608 data->pen_style |= PS_SOLID; break;
609 case GDK_LINE_ON_OFF_DASH:
610 case GDK_LINE_DOUBLE_DASH: /* ??? */
611 data->pen_style |= PS_DASH; break;
613 data->values_mask |= GDK_GC_LINE_STYLE;
616 if (values_mask & GDK_GC_CAP_STYLE)
618 data->pen_style &= ~(PS_ENDCAP_MASK);
619 switch (values->cap_style)
621 case GDK_CAP_NOT_LAST:
625 data->pen_style |= PS_ENDCAP_FLAT; break;
627 data->pen_style |= PS_ENDCAP_ROUND; break;
628 case GDK_CAP_PROJECTING:
629 data->pen_style |= PS_ENDCAP_SQUARE; break;
631 data->values_mask |= GDK_GC_CAP_STYLE;
634 if (values_mask & GDK_GC_JOIN_STYLE)
636 data->pen_style &= ~(PS_JOIN_MASK);
638 switch (values->join_style)
641 data->pen_style |= PS_JOIN_MITER; break;
643 data->pen_style |= PS_JOIN_ROUND; break;
645 data->pen_style |= PS_JOIN_BEVEL; break;
647 data->values_mask |= GDK_GC_JOIN_STYLE;
652 gdk_win32_gc_set_dashes (GdkGC *gc,
657 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc);
661 data->pen_style &= ~(PS_STYLE_MASK);
662 data->pen_style |= PS_DASH;
666 gdk_gc_set_clip_rectangle (GdkGC *gc,
667 GdkRectangle *rectangle)
669 GdkGCWin32Data *data;
671 g_return_if_fail (gc != NULL);
673 data = GDK_GC_WIN32DATA (gc);
675 if (data->clip_region != NULL)
676 if (!DeleteObject (data->clip_region))
677 g_warning ("gdk_gc_set_clip_rectangle: DeleteObject failed");
681 g_print ("gdk_gc_set_clip_rectangle: (%d) %dx%d@+%d+%d\n",
683 rectangle->width, rectangle->height,
684 rectangle->x, rectangle->y));
685 if ((data->clip_region =
686 CreateRectRgn (rectangle->x, rectangle->y,
687 rectangle->x + rectangle->width,
688 rectangle->y + rectangle->height)) == NULL)
689 g_warning ("gdk_gc_set_clip_rectangle: CreateRectRgn failed");
691 data->values_mask |= GDK_GC_CLIP_MASK;
695 GDK_NOTE (MISC, g_print ("gdk_gc_set_clip_rectangle: (%d) NULL\n",
697 data->clip_region = NULL;
698 data->values_mask &= ~GDK_GC_CLIP_MASK;
700 data->values_mask &= ~(GDK_GC_CLIP_X_ORIGIN |GDK_GC_CLIP_Y_ORIGIN);
704 gdk_gc_set_clip_region (GdkGC *gc,
707 GdkGCWin32Data *data;
709 g_return_if_fail (gc != NULL);
711 data = GDK_GC_WIN32DATA (gc);
713 GDK_NOTE (MISC, g_print ("gdk_gc_set_clip_region: (%d) %s\n",
714 data, (region != NULL ? "xxx" : "None")));
716 if (data->clip_region != NULL)
717 if (!DeleteObject (data->clip_region))
718 g_warning ("gdk_gc_set_clip_region: DeleteObject failed");
721 GdkRegionPrivate *region_private;
723 region_private = (GdkRegionPrivate*) region;
724 data->clip_region = CreateRectRgn (1, 1, 0, 0);
725 CombineRgn (data->clip_region, region_private->xregion, NULL, RGN_COPY);
726 data->values_mask |= GDK_GC_CLIP_MASK;
730 data->clip_region = NULL;
731 data->values_mask &= ~GDK_GC_CLIP_MASK;
736 gdk_gc_copy (GdkGC *dst_gc, GdkGC *src_gc)
738 GdkGCWin32Data *dst_data = GDK_GC_WIN32DATA (dst_gc);
739 GdkGCWin32Data *src_data = GDK_GC_WIN32DATA (src_gc);
742 gdk_font_unref (dst_data->font);
744 gdk_pixmap_unref (dst_data->tile);
745 if (dst_data->stipple)
746 gdk_pixmap_unref (dst_data->stipple);
748 *dst_data = *src_data;
751 gdk_font_ref (dst_data->font);
753 gdk_pixmap_ref (dst_data->tile);
754 if (dst_data->stipple)
755 gdk_pixmap_ref (dst_data->stipple);
759 gdk_gc_predraw (GdkDrawable *drawable,
760 GdkGCPrivate *gc_private)
762 GdkDrawablePrivate *drawable_private = (GdkDrawablePrivate *) drawable;
763 GdkColormapPrivateWin32 *colormap_private =
764 (GdkColormapPrivateWin32 *) drawable_private->colormap;
765 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc_private);
773 static guint mask[9] = { 0, 1, 3, 7, 15, 31, 63, 127, 255 };
775 g_assert (data->xgc == NULL);
777 if (GDK_DRAWABLE_TYPE (drawable) == GDK_DRAWABLE_PIXMAP)
779 if ((data->xgc = CreateCompatibleDC (NULL)) == NULL)
780 g_warning ("gdk_gc_predraw: CreateCompatibleDC failed");
782 if ((data->saved_dc = SaveDC (data->xgc)) == 0)
783 g_warning ("gdk_gc_predraw: SaveDC #1 failed");
785 if (SelectObject (data->xgc, GDK_DRAWABLE_XID (drawable)) == NULL)
786 g_warning ("gdk_gc_predraw: SelectObject #1 failed");
790 if ((data->xgc = GetDC (GDK_DRAWABLE_XID (drawable))) == NULL)
791 g_warning ("gdk_gc_predraw: GetDC failed");
793 if ((data->saved_dc = SaveDC (data->xgc)) == 0)
794 g_warning ("gdk_gc_predraw: SaveDC #2 failed");
797 data->hwnd = GDK_DRAWABLE_XID (drawable);
799 if (colormap_private == NULL)
801 /* A 1 bit deep bitmap */
806 PALETTEENTRY palPalEntry[2];
808 static HPALETTE hpal = NULL;
812 /* Create a b&w palette */
813 logpal.palVersion = 0x300;
814 logpal.palNumEntries = 2;
815 logpal.palPalEntry[0].peRed =
816 logpal.palPalEntry[0].peGreen =
817 logpal.palPalEntry[0].peBlue = 0x00;
818 logpal.palPalEntry[0].peFlags = 0x00;
819 logpal.palPalEntry[1].peRed =
820 logpal.palPalEntry[1].peGreen =
821 logpal.palPalEntry[1].peBlue = 0xFF;
822 logpal.palPalEntry[1].peFlags = 0x00;
823 if ((hpal = CreatePalette ((LOGPALETTE *) &logpal)) == NULL)
824 g_warning ("gdk_gc_predraw: CreatePalette failed");
826 SelectPalette (data->xgc, hpal, FALSE);
827 RealizePalette (data->xgc);
828 fg = PALETTEINDEX (data->foreground.pixel);
830 else if (colormap_private->xcolormap->rc_palette)
833 if (SelectPalette (data->xgc,
834 colormap_private->xcolormap->palette, FALSE) == NULL)
835 g_warning ("gdk_gc_predraw: SelectPalette failed");
836 if (TRUE || colormap_private->xcolormap->stale)
838 if ((k = RealizePalette (data->xgc)) == GDI_ERROR)
839 g_warning ("gdk_gc_predraw: RealizePalette failed");
840 colormap_private->xcolormap->stale = FALSE;
843 g_print ("Selected palette %#x for gc %#x, realized %d colors\n",
844 colormap_private->xcolormap->palette, data->xgc, k);
846 fg = PALETTEINDEX (data->foreground.pixel);
850 visual = colormap_private->visual;
851 r = (data->foreground.pixel & visual->red_mask) >> visual->red_shift;
852 r = (r * 255) / mask[visual->red_prec];
853 g = (data->foreground.pixel & visual->green_mask) >> visual->green_shift;
854 g = (g * 255) / mask[visual->green_prec];
855 b = (data->foreground.pixel & visual->blue_mask) >> visual->blue_shift;
856 b = (b * 255) / mask[visual->blue_prec];
858 fg = GetNearestColor (data->xgc, RGB (r, g, b));
860 logbrush.lbStyle = BS_SOLID;
861 logbrush.lbColor = fg;
862 if ((hpen = ExtCreatePen (data->pen_style, data->pen_width,
863 &logbrush, 0, NULL)) == NULL)
864 g_warning ("gdk_gc_predraw: CreatePen failed");
866 if (SelectObject (data->xgc, hpen) == NULL)
867 g_warning ("gdk_gc_predraw: SelectObject #2 failed");
869 if (SetTextColor (data->xgc, fg) == CLR_INVALID)
870 g_warning ("gdk_gc_predraw: SetTextColor failed");
873 switch (data->fill_style)
877 GdkPixmap *stipple = data->stipple;
878 GdkPixmapPrivate *stipple_private = (GdkPixmapPrivate *) stipple;
879 HBITMAP hbm = GDK_DRAWABLE_XID (stipple);
880 if (NULL == (hbr = CreatePatternBrush (hbm)))
881 g_warning ("gdk_gc_predraw: CreatePatternBrush failed");
884 SetBrushOrg (data->xgc, data->ts_x_origin,
887 SetBrushOrgEx(data->xgc, data->ts_x_origin,
888 data->ts_y_origin, NULL);
894 if ((hbr = CreateSolidBrush (fg)) == NULL)
895 g_warning ("gdk_gc_predraw: CreateSolidBrush failed");
899 if ((hbr = CreateSolidBrush (fg)) == NULL)
900 g_warning ("gdk_gc_predraw: CreateSolidBrush failed");
902 if (SelectObject (data->xgc, hbr) == NULL)
903 g_warning ("gdk_gc_predraw: SelectObject #3 failed");
905 if (data->values_mask & GDK_GC_BACKGROUND)
907 if (colormap_private == NULL)
910 bg = PALETTEINDEX (data->background.pixel);
912 else if (colormap_private->xcolormap->rc_palette)
914 bg = PALETTEINDEX (data->background.pixel);
918 visual = colormap_private->visual;
919 r = (data->background.pixel & visual->red_mask) >> visual->red_shift;
920 r = (r * 255) / mask[visual->red_prec];
921 g = (data->background.pixel & visual->green_mask) >> visual->green_shift;
922 g = (g * 255) / mask[visual->green_prec];
923 b = (data->background.pixel & visual->blue_mask) >> visual->blue_shift;
924 b = (b * 255) / mask[visual->green_prec];
926 fg = GetNearestColor (data->xgc, RGB (r, g, b));
928 if (SetBkColor (data->xgc, bg) == CLR_INVALID)
929 g_warning ("gdk_gc_predraw: SetBkColor failed");
932 if (SetBkMode (data->xgc, TRANSPARENT) == 0)
933 g_warning ("gdk_gc_predraw: SetBkMode failed");
935 if (SetTextAlign (data->xgc, TA_BASELINE) == GDI_ERROR)
936 g_warning ("gdk_gc_predraw: SetTextAlign failed");
938 if (data->values_mask & GDK_GC_FUNCTION)
939 if (SetROP2 (data->xgc, data->rop2) == 0)
940 g_warning ("gdk_gc_predraw: SetROP2 failed");
942 if (data->values_mask & GDK_GC_CLIP_MASK
943 && data->clip_region != NULL)
945 if (data->values_mask & (GDK_GC_CLIP_X_ORIGIN | GDK_GC_CLIP_Y_ORIGIN))
946 OffsetRgn (data->clip_region,
947 data->clip_x_origin, data->clip_y_origin);
948 SelectClipRgn (data->xgc, data->clip_region);
955 gdk_gc_postdraw (GdkDrawable *drawable,
956 GdkGCPrivate *gc_private)
958 GdkDrawablePrivate *drawable_private = (GdkDrawablePrivate *) drawable;
959 GdkColormapPrivateWin32 *colormap_private =
960 (GdkColormapPrivateWin32 *) drawable_private->colormap;
961 GdkGCWin32Data *data = GDK_GC_WIN32DATA (gc_private);
965 if ((hpen = GetCurrentObject (data->xgc, OBJ_PEN)) == NULL)
966 g_warning ("gdk_gc_postdraw: GetCurrentObject #1 failed");
968 if ((hbr = GetCurrentObject (data->xgc, OBJ_BRUSH)) == NULL)
969 g_warning ("gdk_gc_postdraw: GetCurrentObject #2 failed");
971 if (!RestoreDC (data->xgc, data->saved_dc))
972 g_warning ("gdk_gc_postdraw: RestoreDC failed");
974 if (colormap_private != NULL
975 && colormap_private->xcolormap->rc_palette
976 && colormap_private->xcolormap->stale)
978 SelectPalette (data->xgc, GetStockObject (DEFAULT_PALETTE), FALSE);
979 if (!UnrealizeObject (colormap_private->xcolormap->palette))
980 g_warning ("gdk_gc_postraw: UnrealizeObject failed");
983 if (GDK_DRAWABLE_TYPE (drawable) == GDK_DRAWABLE_PIXMAP)
985 if (!DeleteDC (data->xgc))
986 g_warning ("gdk_gc_postdraw: DeleteDC failed");
990 ReleaseDC (data->hwnd, data->xgc);
994 if (!DeleteObject (hpen))
995 g_warning ("gdk_gc_postdraw: DeleteObject #1 failed");
998 if (!DeleteObject (hbr))
999 g_warning ("gdk_gc_postdraw: DeleteObject #2 failed");
1004 /* This function originally from Jean-Edouard Lachand-Robert, and
1005 * available at www.codeguru.com. Simplified for our needs, now
1006 * handles just one-bit deep bitmaps (in Window parlance, ie those
1007 * that GDK calls bitmaps (and not pixmaps), with zero pixels being
1012 * BitmapToRegion : Create a region from the "non-transparent" pixels of
1014 * Author : Jean-Edouard Lachand-Robert
1015 * (http://www.geocities.com/Paris/LeftBank/1160/resume.htm), June 1998.
1019 BitmapToRegion (HBITMAP hBmp)
1027 BITMAPINFOHEADER bmiHeader;
1031 RGBQUAD bmiColors[2];
1040 PALETTEENTRY palPalEntry[2];
1042 static HPALETTE bwPalette = NULL;
1055 /* Create a B&W palette */
1056 if (bwPalette == NULL)
1058 /* Create a b&w palette */
1059 logpal.palVersion = 0x300;
1060 logpal.palNumEntries = 2;
1061 logpal.palPalEntry[0].peRed =
1062 logpal.palPalEntry[0].peGreen =
1063 logpal.palPalEntry[0].peBlue = 0;
1064 logpal.palPalEntry[0].peFlags = 0;
1065 logpal.palPalEntry[1].peRed =
1066 logpal.palPalEntry[1].peGreen =
1067 logpal.palPalEntry[1].peBlue = 0xFF;
1068 logpal.palPalEntry[1].peFlags = 0;
1069 if ((bwPalette = CreatePalette ((LOGPALETTE *) &logpal)) == NULL)
1070 g_warning ("BitmapToRegion: CreatePalette failed");
1073 /* Create a memory DC inside which we will scan the bitmap content */
1074 hMemDC = CreateCompatibleDC (NULL);
1077 g_warning ("BitmapToRegion: CreateCompatibleDC #1 failed");
1081 SelectPalette (hMemDC, bwPalette, FALSE);
1082 RealizePalette (hMemDC);
1084 /* Get bitmap size */
1085 GetObject(hBmp, sizeof(bm), &bm);
1087 /* Create a 8 bits depth bitmap and select it into the memory DC */
1088 bmi.bmiHeader.biSize = sizeof (BITMAPINFOHEADER);
1089 bmi.bmiHeader.biWidth = bm.bmWidth;
1090 bmi.bmiHeader.biHeight = bm.bmHeight;
1091 bmi.bmiHeader.biPlanes = 1;
1092 bmi.bmiHeader.biBitCount = 8;
1093 bmi.bmiHeader.biCompression = BI_RGB;
1094 bmi.bmiHeader.biSizeImage = 0;
1095 bmi.bmiHeader.biXPelsPerMeter = 0;
1096 bmi.bmiHeader.biYPelsPerMeter = 0;
1097 bmi.bmiHeader.biClrUsed = 2;
1098 bmi.bmiHeader.biClrImportant = 2;
1100 bmi.bmiColors[0] = 0;
1101 bmi.bmiColors[1] = 1;
1102 hbm8 = CreateDIBSection (hMemDC, (BITMAPINFO *)&bmi,
1103 DIB_PAL_COLORS, &pbits8, NULL, 0);
1105 bmi.bmiColors[0].rgbBlue =
1106 bmi.bmiColors[0].rgbGreen =
1107 bmi.bmiColors[0].rgbRed = 0x00;
1108 bmi.bmiColors[0].rgbReserved = 0x00;
1110 bmi.bmiColors[1].rgbBlue =
1111 bmi.bmiColors[1].rgbGreen =
1112 bmi.bmiColors[1].rgbRed = 0xFF;
1113 bmi.bmiColors[0].rgbReserved = 0x00;
1115 hbm8 = CreateDIBSection (hMemDC, (BITMAPINFO *)&bmi,
1116 DIB_RGB_COLORS, &pbits8, NULL, 0);
1120 g_warning ("BitmapToRegion: CreateDIBSection failed");
1125 holdBmp = (HBITMAP) SelectObject (hMemDC, hbm8);
1127 /* Create a DC just to copy the bitmap into the memory DC*/
1128 hDC = CreateCompatibleDC (hMemDC);
1131 g_warning ("BitmapToRegion: CreateCompatibleDC #2 failed");
1132 SelectObject (hMemDC, holdBmp);
1133 DeleteObject (hbm8);
1138 /* Get how many bytes per row we have for the bitmap bits */
1139 GetObject (hbm8, sizeof (bm8), &bm8);
1141 /* Hans Breuer found a fix to the long-standing erroneous behaviour
1142 * on NT 4.0: There seems to be a bug in Win NT 4.0 GDI: scanlines
1143 * in bitmaps are dword aligned on both Win95 and NT. In the case of
1144 * a bitmap with 22 bytes worth of width, GetObject above returns
1145 * with bmWidth == 22. On Win95 bmWidthBytes == 24, as it should be,
1146 * but on NT is it 22. We need to correct this here.
1148 bm8.bmWidthBytes = (((bm8.bmWidthBytes-1)/4)+1)*4; /* dword aligned!! */
1150 /* Copy the bitmap into the memory DC*/
1151 holdBmp2 = (HBITMAP) SelectObject (hDC, hBmp);
1153 if (!BitBlt (hMemDC, 0, 0, bm.bmWidth, bm.bmHeight, hDC, 0, 0, SRCCOPY))
1155 g_warning ("BitmapToRegion: BitBlt failed");
1156 SelectObject (hDC, holdBmp2);
1157 SelectObject (hMemDC, holdBmp);
1158 DeleteObject (hbm8);
1162 SelectObject (hDC, holdBmp2);
1165 /* For better performances, we will use the ExtCreateRegion()
1166 * function to create the region. This function take a RGNDATA
1167 * structure on entry. We will add rectangles by amount of
1168 * ALLOC_UNIT number in this structure.
1170 #define ALLOC_UNIT 100
1171 maxRects = ALLOC_UNIT;
1173 pData = g_malloc (sizeof (RGNDATAHEADER) + (sizeof (RECT) * maxRects));
1174 pData->rdh.dwSize = sizeof (RGNDATAHEADER);
1175 pData->rdh.iType = RDH_RECTANGLES;
1176 pData->rdh.nCount = pData->rdh.nRgnSize = 0;
1177 SetRect (&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
1179 /* Scan each bitmap from bottom to top (the bitmap is inverted vertically)*/
1180 p8 = (BYTE *) pbits8 + (bm8.bmHeight - 1) * bm8.bmWidthBytes;
1181 for (y = 0; y < bm.bmHeight; y++)
1183 /* Scan each bitmap row from left to right*/
1184 for (x = 0; x < bm.bmWidth; x++)
1186 /* Search for a continuous range of "non transparent pixels"*/
1189 while (x < bm.bmWidth)
1192 /* This pixel is "transparent"*/
1201 /* Add the pixels (x0, y) to (x, y+1) as a new rectangle
1204 if (pData->rdh.nCount >= maxRects)
1206 maxRects += ALLOC_UNIT;
1207 pData = g_realloc (pData, sizeof(RGNDATAHEADER)
1208 + (sizeof(RECT) * maxRects));
1210 pr = (RECT *) &pData->Buffer;
1211 SetRect (&pr[pData->rdh.nCount], x0, y, x, y+1);
1212 if (x0 < pData->rdh.rcBound.left)
1213 pData->rdh.rcBound.left = x0;
1214 if (y < pData->rdh.rcBound.top)
1215 pData->rdh.rcBound.top = y;
1216 if (x > pData->rdh.rcBound.right)
1217 pData->rdh.rcBound.right = x;
1218 if (y+1 > pData->rdh.rcBound.bottom)
1219 pData->rdh.rcBound.bottom = y+1;
1220 pData->rdh.nCount++;
1222 /* On Windows98, ExtCreateRegion() may fail if the
1223 * number of rectangles is too large (ie: >
1224 * 4000). Therefore, we have to create the region by
1227 if (pData->rdh.nCount == 2000)
1229 HRGN h = ExtCreateRegion (NULL, sizeof(RGNDATAHEADER) + (sizeof(RECT) * maxRects), pData);
1232 CombineRgn(hRgn, hRgn, h, RGN_OR);
1237 pData->rdh.nCount = 0;
1238 SetRect (&pData->rdh.rcBound, MAXLONG, MAXLONG, 0, 0);
1243 /* Go to next row (remember, the bitmap is inverted vertically)*/
1244 p8 -= bm8.bmWidthBytes;
1247 /* Create or extend the region with the remaining rectangles*/
1248 h = ExtCreateRegion (NULL, sizeof (RGNDATAHEADER)
1249 + (sizeof (RECT) * maxRects), pData);
1252 CombineRgn (hRgn, hRgn, h, RGN_OR);
1259 SelectObject(hMemDC, holdBmp);
1260 DeleteObject (hbm8);