| … | |
… | |
| 201 | } |
201 | } |
| 202 | |
202 | |
| 203 | bool |
203 | bool |
| 204 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
204 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
| 205 | { |
205 | { |
| 206 | bool argb = format->id == PictStandardARGB32; |
|
|
| 207 | |
|
|
| 208 | Display *dpy = s->display->dpy; |
206 | Display *dpy = s->display->dpy; |
| 209 | |
207 | |
| 210 | if (s->visual->c_class != TrueColor) |
208 | if (s->visual->c_class != TrueColor) |
| 211 | return false; |
209 | return false; |
| 212 | |
210 | |
| 213 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
211 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
| 214 | |
212 | |
| 215 | if (argb) |
213 | red_mask = (uint32_t)format->direct.redMask << format->direct.red; |
| 216 | { |
214 | green_mask = (uint32_t)format->direct.greenMask << format->direct.green; |
| 217 | red_mask = 0xff << 16; |
215 | blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue; |
| 218 | green_mask = 0xff << 8; |
|
|
| 219 | blue_mask = 0xff; |
|
|
| 220 | alpha_mask = 0xff << 24; |
|
|
| 221 | } |
|
|
| 222 | else |
|
|
| 223 | { |
|
|
| 224 | red_mask = s->visual->red_mask; |
|
|
| 225 | green_mask = s->visual->green_mask; |
|
|
| 226 | blue_mask = s->visual->blue_mask; |
|
|
| 227 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
216 | alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha; |
| 228 | } |
|
|
| 229 | |
217 | |
| 230 | int width_r = ecb_popcount32 (red_mask); |
218 | int width_r = ecb_popcount32 (red_mask); |
| 231 | int width_g = ecb_popcount32 (green_mask); |
219 | int width_g = ecb_popcount32 (green_mask); |
| 232 | int width_b = ecb_popcount32 (blue_mask); |
220 | int width_b = ecb_popcount32 (blue_mask); |
| 233 | int width_a = ecb_popcount32 (alpha_mask); |
221 | int width_a = ecb_popcount32 (alpha_mask); |
| … | |
… | |
| 241 | int sh_a = ecb_ctz32 (alpha_mask); |
229 | int sh_a = ecb_ctz32 (alpha_mask); |
| 242 | |
230 | |
| 243 | if (width > 32767 || height > 32767) |
231 | if (width > 32767 || height > 32767) |
| 244 | return false; |
232 | return false; |
| 245 | |
233 | |
| 246 | XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0, |
234 | XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0, |
| 247 | width, height, 32, 0); |
235 | width, height, 32, 0); |
| 248 | if (!ximage) |
236 | if (!ximage) |
| 249 | return false; |
237 | return false; |
| 250 | |
238 | |
| 251 | if (height > INT_MAX / ximage->bytes_per_line |
239 | if (height > INT_MAX / ximage->bytes_per_line |
