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212 | mask_c.blue = float_to_component (b); |
212 | mask_c.blue = float_to_component (b); |
213 | mask_c.alpha = float_to_component (a); |
213 | mask_c.alpha = float_to_component (a); |
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
214 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
215 | |
215 | |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
216 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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217 | |
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218 | XRenderFreePicture (dpy, src); |
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219 | XRenderFreePicture (dpy, dst); |
217 | } |
220 | } |
218 | |
221 | |
219 | void |
222 | void |
220 | rxvt_img::contrast (double r, double g, double b, double a) |
223 | rxvt_img::contrast (double r, double g, double b, double a) |
221 | { |
224 | { |
… | |
… | |
232 | mask_c.blue = float_to_component (b); |
235 | mask_c.blue = float_to_component (b); |
233 | mask_c.alpha = float_to_component (a); |
236 | mask_c.alpha = float_to_component (a); |
234 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
237 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
235 | |
238 | |
236 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
239 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
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240 | |
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241 | XRenderFreePicture (dpy, src); |
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242 | XRenderFreePicture (dpy, dst); |
237 | } |
243 | } |
238 | |
244 | |
239 | bool |
245 | bool |
240 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
246 | rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) |
241 | { |
247 | { |