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comparison gtk/dw.c @ 372:3ef2cf70ee07

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Code for drawing text with a background color on GTK 2.x.
author bsmith@81767d24-ef19-dc11-ae90-00e081727c95
date Sun, 27 Apr 2003 19:21:24 +0000
parents 39983df2b93d
children d04b0699fc28
comparison
equal deleted inserted replaced
371:e856f80e0520 372:3ef2cf70ee07
844 844
845 if(_dw_thread_list[z] == (DWTID)-1) 845 if(_dw_thread_list[z] == (DWTID)-1)
846 { 846 {
847 _dw_thread_list[z] = tid; 847 _dw_thread_list[z] = tid;
848 _foreground[z].pixel = _foreground[z].red =_foreground[z].green = _foreground[z].blue = 0; 848 _foreground[z].pixel = _foreground[z].red =_foreground[z].green = _foreground[z].blue = 0;
849 _background[z].pixel = 0; 849 _background[z].pixel = 1;
850 _background[z].red = 0xaaaa; 850 _background[z].red = _background[z].green = _background[z].blue = 0;
851 _background[z].green = 0xaaaa;
852 _background[z].blue = 0xaaaa;
853 return; 851 return;
854 } 852 }
855 } 853 }
856 } 854 }
857 855
5206 } 5204 }
5207 5205
5208 /* Returns a GdkColor from a DW color */ 5206 /* Returns a GdkColor from a DW color */
5209 static GdkColor _internal_color(unsigned long value) 5207 static GdkColor _internal_color(unsigned long value)
5210 { 5208 {
5209 if(value == DW_CLR_DEFAULT)
5210 {
5211 GdkColor color = { 1, 0, 0, 0 };
5212 return color;
5213 }
5211 if(DW_RGB_COLOR & value) 5214 if(DW_RGB_COLOR & value)
5212 { 5215 {
5213 GdkColor color = { 0, DW_RED_VALUE(value) << 8, DW_GREEN_VALUE(value) << 8, DW_BLUE_VALUE(value) << 8 }; 5216 GdkColor color = { 0, DW_RED_VALUE(value) << 8, DW_GREEN_VALUE(value) << 8, DW_BLUE_VALUE(value) << 8 };
5214 return color; 5217 return color;
5215 } 5218 }
5216 else if (value < 16) 5219 if (value < 16)
5217 return _colors[value]; 5220 return _colors[value];
5218 return _colors[0]; 5221 return _colors[0];
5219 } 5222 }
5220 5223
5221 /* Sets the current foreground drawing color. 5224 /* Sets the current foreground drawing color.
5228 { 5231 {
5229 int _locked_by_me = FALSE, index = _find_thread_index(dw_thread_id()); 5232 int _locked_by_me = FALSE, index = _find_thread_index(dw_thread_id());
5230 GdkColor color = _internal_color(value); 5233 GdkColor color = _internal_color(value);
5231 5234
5232 DW_MUTEX_LOCK; 5235 DW_MUTEX_LOCK;
5233 gdk_color_alloc(_dw_cmap, &color); 5236 if(!color.pixel)
5237 gdk_color_alloc(_dw_cmap, &color);
5234 _foreground[index] = color; 5238 _foreground[index] = color;
5235 DW_MUTEX_UNLOCK; 5239 DW_MUTEX_UNLOCK;
5236 } 5240 }
5237 5241
5238 /* Sets the current background drawing color. 5242 /* Sets the current background drawing color.
5245 { 5249 {
5246 int _locked_by_me = FALSE, index = _find_thread_index(dw_thread_id()); 5250 int _locked_by_me = FALSE, index = _find_thread_index(dw_thread_id());
5247 GdkColor color = _internal_color(value); 5251 GdkColor color = _internal_color(value);
5248 5252
5249 DW_MUTEX_LOCK; 5253 DW_MUTEX_LOCK;
5250 gdk_color_alloc(_dw_cmap, &color); 5254 if(!color.pixel)
5255 gdk_color_alloc(_dw_cmap, &color);
5251 _background[index] = color; 5256 _background[index] = color;
5252 DW_MUTEX_UNLOCK; 5257 DW_MUTEX_UNLOCK;
5253 } 5258 }
5254 5259
5255 GdkGC *_set_colors(GdkWindow *window) 5260 GdkGC *_set_colors(GdkWindow *window)
5260 if(!window) 5265 if(!window)
5261 return NULL; 5266 return NULL;
5262 gc = gdk_gc_new(window); 5267 gc = gdk_gc_new(window);
5263 if(gc) 5268 if(gc)
5264 { 5269 {
5265 gdk_gc_set_foreground(gc, &_foreground[index]); 5270 if(!_foreground[index].pixel)
5266 gdk_gc_set_background(gc, &_background[index]); 5271 gdk_gc_set_foreground(gc, &_foreground[index]);
5272 if(!_background[index].pixel)
5273 gdk_gc_set_background(gc, &_background[index]);
5267 } 5274 }
5268 return gc; 5275 return gc;
5269 } 5276 }
5270 5277
5271 /* Draw a point on a window (preferably a render window). 5278 /* Draw a point on a window (preferably a render window).
5392 { 5399 {
5393 PangoLayout *layout = pango_layout_new(context); 5400 PangoLayout *layout = pango_layout_new(context);
5394 5401
5395 if(layout) 5402 if(layout)
5396 { 5403 {
5404 int index = _find_thread_index(dw_thread_id());
5405
5397 pango_layout_set_font_description(layout, font); 5406 pango_layout_set_font_description(layout, font);
5398 pango_layout_set_text(layout, text, strlen(text)); 5407 pango_layout_set_text(layout, text, strlen(text));
5399 5408
5400 gdk_draw_layout(handle ? handle->window : pixmap->pixmap, gc, x, y + 2, layout); 5409 if(_background[index].pixel)
5410 gdk_draw_layout(handle ? handle->window : pixmap->pixmap, gc, x, y + 2, layout);
5411 else
5412 gdk_draw_layout_with_colors(handle ? handle->window : pixmap->pixmap, gc, x, y + 2, layout, &_foreground[index], &_background[index]);
5401 5413
5402 g_object_unref(layout); 5414 g_object_unref(layout);
5403 } 5415 }
5404 g_object_unref(context); 5416 g_object_unref(context);
5405 } 5417 }