1 /* GDK - The GIMP Drawing Kit
2 * Copyright (C) 1995-1997 Peter Mattis, Spencer Kimball and Josh MacDonald
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser 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.
8 *
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 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser 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.
18 */
19
20 /*
21 * Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
22 * file for a list of people on the GTK+ Team.
23 */
24
25 /*
26 * GTK+ DirectFB backend
27 * Copyright (C) 2001-2002 convergence integrated media GmbH
28 * Copyright (C) 2002-2004 convergence GmbH
29 * Written by Denis Oliver Kropp <dok@convergence.de> and
30 * Sven Neumann <sven@convergence.de>
31 */
32
33 #undef GDK_DISABLE_DEPRECATED
34
35 #include "config.h"
36 #include "gdk.h"
37
38 #include <string.h>
39
40 #include "gdkdirectfb.h"
41 #include "gdkprivate-directfb.h"
42
43 #include "gdkgc.h"
44 #include "gdkfont.h"
45 #include "gdkpixmap.h"
46 #include "gdkregion-generic.h"
47
48 #include "gdkalias.h"
49
50 static void gdk_directfb_gc_get_values (GdkGC *gc,
51 GdkGCValues *values);
52 static void gdk_directfb_gc_set_values (GdkGC *gc,
53 GdkGCValues *values,
54 GdkGCValuesMask values_mask);
55 static void gdk_directfb_gc_set_dashes (GdkGC *gc,
56 gint dash_offset,
57 gint8 dash_list[],
58 gint n);
59
60
61 static void gdk_gc_directfb_finalize (GObject *object);
62
G_DEFINE_TYPE(GdkGCDirectFB,_gdk_gc_directfb,GDK_TYPE_GC)63 G_DEFINE_TYPE (GdkGCDirectFB, _gdk_gc_directfb, GDK_TYPE_GC)
64
65 static void
66 _gdk_gc_directfb_init (GdkGCDirectFB *directfb_gc)
67 {
68 }
69
70 static void
_gdk_gc_directfb_class_init(GdkGCDirectFBClass * klass)71 _gdk_gc_directfb_class_init (GdkGCDirectFBClass *klass)
72 {
73 GObjectClass *object_class = G_OBJECT_CLASS (klass);
74 GdkGCClass *gc_class = GDK_GC_CLASS (klass);
75
76 object_class->finalize = gdk_gc_directfb_finalize;
77
78 gc_class->get_values = gdk_directfb_gc_get_values;
79 gc_class->set_values = gdk_directfb_gc_set_values;
80 gc_class->set_dashes = gdk_directfb_gc_set_dashes;
81 }
82
83 static void
gdk_gc_directfb_finalize(GObject * object)84 gdk_gc_directfb_finalize (GObject *object)
85 {
86 GdkGCDirectFB *directfb_gc = GDK_GC_DIRECTFB (object);
87
88 if (directfb_gc->clip_region.numRects)
89 temp_region_deinit (&directfb_gc->clip_region);
90 if (directfb_gc->values.clip_mask)
91 g_object_unref (directfb_gc->values.clip_mask);
92 if (directfb_gc->values.stipple)
93 g_object_unref (directfb_gc->values.stipple);
94 if (directfb_gc->values.tile)
95 g_object_unref (directfb_gc->values.tile);
96
97 G_OBJECT_CLASS (_gdk_gc_directfb_parent_class)->finalize (object);
98 }
99
100
101 GdkGC *
_gdk_directfb_gc_new(GdkDrawable * drawable,GdkGCValues * values,GdkGCValuesMask values_mask)102 _gdk_directfb_gc_new (GdkDrawable *drawable,
103 GdkGCValues *values,
104 GdkGCValuesMask values_mask)
105 {
106 GdkGC *gc;
107 GdkGCDirectFB *private;
108
109 /* NOTICE that the drawable here has to be the impl drawable, not the
110 publicly visible drawable. */
111 g_return_val_if_fail (GDK_IS_DRAWABLE_IMPL_DIRECTFB (drawable), NULL);
112
113 gc = GDK_GC (g_object_new (_gdk_gc_directfb_get_type (), NULL));
114
115 _gdk_gc_init (gc, drawable, values, values_mask);
116
117 private = GDK_GC_DIRECTFB (gc);
118 #if 0
119 private->values.background.pixel = 0;
120 private->values.background.red = 0;
121 private->values.background.green = 0;
122 private->values.background.blue = 0;
123
124 private->values.foreground.pixel = 0;
125 private->values.foreground.red = 0;
126 private->values.foreground.green = 0;
127 private->values.foreground.blue = 0;
128 #endif
129
130 private->values.cap_style = GDK_CAP_BUTT;
131
132 gdk_directfb_gc_set_values (gc, values, values_mask);
133
134 return gc;
135 }
136
137 static void
gdk_directfb_gc_get_values(GdkGC * gc,GdkGCValues * values)138 gdk_directfb_gc_get_values (GdkGC *gc,
139 GdkGCValues *values)
140 {
141 *values = GDK_GC_DIRECTFB (gc)->values;
142 }
143
144 #if 0
145 void
146 _gdk_windowing_gc_get_foreground (GdkGC *gc,
147 GdkColor *color)
148 {
149 GdkGCDirectFB *private = GDK_GC_DIRECTFB (gc);
150 *color =private->values.foreground;
151 }
152 #endif
153
154 static void
gdk_directfb_gc_set_values(GdkGC * gc,GdkGCValues * values,GdkGCValuesMask values_mask)155 gdk_directfb_gc_set_values (GdkGC *gc,
156 GdkGCValues *values,
157 GdkGCValuesMask values_mask)
158 {
159 GdkGCDirectFB *private = GDK_GC_DIRECTFB (gc);
160
161 if (values_mask & GDK_GC_FOREGROUND)
162 {
163 private->values.foreground = values->foreground;
164 private->values_mask |= GDK_GC_FOREGROUND;
165 }
166
167 if (values_mask & GDK_GC_BACKGROUND)
168 {
169 private->values.background = values->background;
170 private->values_mask |= GDK_GC_BACKGROUND;
171 }
172
173 if (values_mask & GDK_GC_FONT)
174 {
175 GdkFont *oldf = private->values.font;
176
177 private->values.font = gdk_font_ref (values->font);
178 private->values_mask |= GDK_GC_FONT;
179
180 if (oldf)
181 gdk_font_unref (oldf);
182 }
183
184 if (values_mask & GDK_GC_FUNCTION)
185 {
186 private->values.function = values->function;
187 private->values_mask |= GDK_GC_FUNCTION;
188 }
189
190 if (values_mask & GDK_GC_FILL)
191 {
192 private->values.fill = values->fill;
193 private->values_mask |= GDK_GC_FILL;
194 }
195
196 if (values_mask & GDK_GC_TILE)
197 {
198 GdkPixmap *oldpm = private->values.tile;
199
200 if (values->tile)
201 g_assert (GDK_PIXMAP_OBJECT (values->tile)->depth > 1);
202
203 private->values.tile = values->tile ? g_object_ref (values->tile) : NULL;
204 private->values_mask |= GDK_GC_TILE;
205
206 if (oldpm)
207 g_object_unref (oldpm);
208 }
209
210 if (values_mask & GDK_GC_STIPPLE)
211 {
212 GdkPixmap *oldpm = private->values.stipple;
213
214 if (values->stipple)
215 g_assert (GDK_PIXMAP_OBJECT (values->stipple)->depth == 1);
216
217 private->values.stipple = (values->stipple ?
218 g_object_ref (values->stipple) : NULL);
219 private->values_mask |= GDK_GC_STIPPLE;
220
221 if (oldpm)
222 g_object_unref (oldpm);
223 }
224
225 if (values_mask & GDK_GC_CLIP_MASK)
226 {
227 GdkPixmap *oldpm = private->values.clip_mask;
228
229 private->values.clip_mask = (values->clip_mask ?
230 g_object_ref (values->clip_mask) : NULL);
231 private->values_mask |= GDK_GC_CLIP_MASK;
232
233 if (oldpm)
234 g_object_unref (oldpm);
235
236 temp_region_reset (&private->clip_region);
237 }
238
239 if (values_mask & GDK_GC_SUBWINDOW)
240 {
241 private->values.subwindow_mode = values->subwindow_mode;
242 private->values_mask |= GDK_GC_SUBWINDOW;
243 }
244
245 if (values_mask & GDK_GC_TS_X_ORIGIN)
246 {
247 private->values.ts_x_origin = values->ts_x_origin;
248 private->values_mask |= GDK_GC_TS_X_ORIGIN;
249 }
250
251 if (values_mask & GDK_GC_TS_Y_ORIGIN)
252 {
253 private->values.ts_y_origin = values->ts_y_origin;
254 private->values_mask |= GDK_GC_TS_Y_ORIGIN;
255 }
256
257 if (values_mask & GDK_GC_CLIP_X_ORIGIN)
258 {
259 private->values.clip_x_origin = GDK_GC (gc)->clip_x_origin = values->clip_x_origin;
260 private->values_mask |= GDK_GC_CLIP_X_ORIGIN;
261 }
262
263 if (values_mask & GDK_GC_CLIP_Y_ORIGIN)
264 {
265 private->values.clip_y_origin = GDK_GC (gc)->clip_y_origin = values->clip_y_origin;
266 private->values_mask |= GDK_GC_CLIP_Y_ORIGIN;
267 }
268
269 if (values_mask & GDK_GC_EXPOSURES)
270 {
271 private->values.graphics_exposures = values->graphics_exposures;
272 private->values_mask |= GDK_GC_EXPOSURES;
273 }
274
275 if (values_mask & GDK_GC_LINE_WIDTH)
276 {
277 private->values.line_width = values->line_width;
278 private->values_mask |= GDK_GC_LINE_WIDTH;
279 }
280
281 if (values_mask & GDK_GC_LINE_STYLE)
282 {
283 private->values.line_style = values->line_style;
284 private->values_mask |= GDK_GC_LINE_STYLE;
285 }
286
287 if (values_mask & GDK_GC_CAP_STYLE)
288 {
289 private->values.cap_style = values->cap_style;
290 private->values_mask |= GDK_GC_CAP_STYLE;
291 }
292
293 if (values_mask & GDK_GC_JOIN_STYLE)
294 {
295 private->values.join_style = values->join_style;
296 private->values_mask |= GDK_GC_JOIN_STYLE;
297 }
298 }
299
300 static void
gdk_directfb_gc_set_dashes(GdkGC * gc,gint dash_offset,gint8 dash_list[],gint n)301 gdk_directfb_gc_set_dashes (GdkGC *gc,
302 gint dash_offset,
303 gint8 dash_list[],
304 gint n)
305 {
306 g_warning ("gdk_directfb_gc_set_dashes not implemented");
307 }
308
309 static void
gc_unset_clip_mask(GdkGC * gc)310 gc_unset_clip_mask (GdkGC *gc)
311 {
312 GdkGCDirectFB *data = GDK_GC_DIRECTFB (gc);
313
314 if (data->values.clip_mask)
315 {
316 g_object_unref (data->values.clip_mask);
317 data->values.clip_mask = NULL;
318 data->values_mask &= ~ GDK_GC_CLIP_MASK;
319 }
320 }
321
322
323 void
_gdk_windowing_gc_set_clip_region(GdkGC * gc,const GdkRegion * region,gboolean reset_origin)324 _gdk_windowing_gc_set_clip_region (GdkGC *gc,
325 const GdkRegion *region,
326 gboolean reset_origin)
327 {
328 GdkGCDirectFB *data;
329
330 g_return_if_fail (gc != NULL);
331
332 data = GDK_GC_DIRECTFB (gc);
333
334 if (region == &data->clip_region)
335 return;
336
337 if (region)
338 temp_region_init_copy (&data->clip_region, region);
339 else
340 temp_region_reset (&data->clip_region);
341
342 if (reset_origin)
343 {
344 gc->clip_x_origin = 0;
345 gc->clip_y_origin = 0;
346 data->values.clip_x_origin = 0;
347 data->values.clip_y_origin = 0;
348 }
349
350 gc_unset_clip_mask (gc);
351 }
352
353 void
_gdk_windowing_gc_copy(GdkGC * dst_gc,GdkGC * src_gc)354 _gdk_windowing_gc_copy (GdkGC *dst_gc,
355 GdkGC *src_gc)
356 {
357 GdkGCDirectFB *dst_private;
358
359 g_return_if_fail (dst_gc != NULL);
360 g_return_if_fail (src_gc != NULL);
361
362 dst_private = GDK_GC_DIRECTFB (dst_gc);
363
364 temp_region_reset(&dst_private->clip_region);
365
366 if (dst_private->values_mask & GDK_GC_FONT)
367 gdk_font_unref (dst_private->values.font);
368 if (dst_private->values_mask & GDK_GC_TILE)
369 g_object_unref (dst_private->values.tile);
370 if (dst_private->values_mask & GDK_GC_STIPPLE)
371 g_object_unref (dst_private->values.stipple);
372 if (dst_private->values_mask & GDK_GC_CLIP_MASK)
373 g_object_unref (dst_private->values.clip_mask);
374
375 *dst_gc = *src_gc;
376 if (dst_private->values_mask & GDK_GC_FONT)
377 gdk_font_ref (dst_private->values.font);
378 if (dst_private->values_mask & GDK_GC_TILE)
379 g_object_ref (dst_private->values.tile);
380 if (dst_private->values_mask & GDK_GC_STIPPLE)
381 g_object_ref (dst_private->values.stipple);
382 if (dst_private->values_mask & GDK_GC_CLIP_MASK)
383 g_object_ref (dst_private->values.clip_mask);
384 }
385
386 /**
387 * gdk_gc_get_screen:
388 * @gc: a #GdkGC.
389 *
390 * Gets the #GdkScreen for which @gc was created
391 *
392 * Returns: the #GdkScreen for @gc.
393 *
394 * Since: 2.2
395 */
396 GdkScreen *
gdk_gc_get_screen(GdkGC * gc)397 gdk_gc_get_screen (GdkGC *gc)
398 {
399 g_return_val_if_fail (GDK_IS_GC_DIRECTFB (gc), NULL);
400
401 return _gdk_screen;
402 }
403 #define __GDK_GC_X11_C__
404 #include "gdkaliasdef.c"
405