Mercurial > MadButterfly

comparison src/graph_engine_cairo.c @ 1098:cb4a2ffdf9e8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge HEAD
author wycc
date Sat, 04 Dec 2010 16:58:25 +0800
parents d09f603438d8
children e1a76d10953e
comparison
equal deleted inserted replaced
1097:52d8bf5d12b4 1098:cb4a2ffdf9e8
148 stop++; 148 stop++;
149 } 149 }
150 150
151 return ptn; 151 return ptn;
152 } 152 }
153
154 mbe_pattern_t *
155 mbe_pattern_create_image(mb_img_data_t *img) {
156 cairo_surface_t *surf;
157 cairo_pattern_t *ptn;
158 cairo_format_t fmt;
159
160 switch(img->fmt) {
161 case MB_IFMT_ARGB32:
162 fmt = CAIRO_FORMAT_ARGB32;
163 break;
164
165 case MB_IFMT_RGB24:
166 fmt = CAIRO_FORMAT_RGB24;
167 break;
168
169 case MB_IFMT_A8:
170 fmt = CAIRO_FORMAT_A8;
171 break;
172
173 case MB_IFMT_A1:
174 fmt = CAIRO_FORMAT_A1;
175 break;
176
177 case MB_IFMT_RGB16_565:
178 fmt = CAIRO_FORMAT_RGB16_565;
179 break;
180
181 default:
182 return NULL;
183 }
184
185 surf = cairo_image_surface_create_for_data(img->content, fmt,
186 img->w, img->h, img->stride);
187 ptn = cairo_pattern_create_for_surface(surf);
188 cairo_surface_destroy(surf);
189
190 return ptn;
191 }
192
193 void
194 mbe_scissoring(mbe_t *canvas, int n_areas, area_t **areas) {
195 area_t *area;
196 int i;
197
198 cairo_new_path(canvas);
199
200 for(i = 0; i < n_areas; i++) {
201 area = areas[i];
202 cairo_rectangle(canvas, area->x, area->y, area->w, area->h);
203 }
204
205 cairo_clip(canvas);
206 }