… | |
… | |
31 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
31 | XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), |
32 | gdk_pixbuf_get_width (pb), |
32 | gdk_pixbuf_get_width (pb), |
33 | gdk_pixbuf_get_height (pb) |
33 | gdk_pixbuf_get_height (pb) |
34 | ); |
34 | ); |
35 | |
35 | |
36 | img->render (pb, 0, 0, img->w, img->h, 0, 0); |
36 | img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0); |
37 | |
37 | |
38 | return img; |
38 | return img; |
39 | } |
39 | } |
40 | |
40 | |
41 | rxvt_img::~rxvt_img () |
41 | rxvt_img::~rxvt_img () |
… | |
… | |
198 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
198 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
199 | |
199 | |
200 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
200 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
201 | } |
201 | } |
202 | |
202 | |
203 | void |
203 | bool |
204 | rxvt_img::render (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; |
|
|
209 | |
|
|
210 | if (s->visual->c_class != TrueColor) |
|
|
211 | return false; |
|
|
212 | |
|
|
213 | uint32_t red_mask, green_mask, blue_mask, alpha_mask; |
|
|
214 | |
|
|
215 | if (argb) |
|
|
216 | { |
|
|
217 | red_mask = 0xff << 16; |
|
|
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; |
|
|
228 | } |
|
|
229 | |
|
|
230 | int width_r = ecb_popcount32 (red_mask); |
|
|
231 | int width_g = ecb_popcount32 (green_mask); |
|
|
232 | int width_b = ecb_popcount32 (blue_mask); |
|
|
233 | int width_a = ecb_popcount32 (alpha_mask); |
|
|
234 | |
|
|
235 | if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8) |
|
|
236 | return false; |
|
|
237 | |
|
|
238 | int sh_r = ecb_ctz32 (red_mask); |
|
|
239 | int sh_g = ecb_ctz32 (green_mask); |
|
|
240 | int sh_b = ecb_ctz32 (blue_mask); |
|
|
241 | int sh_a = ecb_ctz32 (alpha_mask); |
|
|
242 | |
|
|
243 | if (width > 32767 || height > 32767) |
|
|
244 | return false; |
|
|
245 | |
|
|
246 | XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0, |
|
|
247 | width, height, 32, 0); |
|
|
248 | if (!ximage) |
|
|
249 | return false; |
|
|
250 | |
|
|
251 | if (height > INT_MAX / ximage->bytes_per_line |
|
|
252 | || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line))) |
|
|
253 | { |
|
|
254 | XDestroyImage (ximage); |
|
|
255 | return false; |
|
|
256 | } |
|
|
257 | |
|
|
258 | GC gc = XCreateGC (dpy, pm, 0, 0); |
|
|
259 | |
|
|
260 | ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst; |
|
|
261 | |
|
|
262 | int rowstride = gdk_pixbuf_get_rowstride (pixbuf); |
|
|
263 | int channels = gdk_pixbuf_get_n_channels (pixbuf); |
|
|
264 | unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; |
|
|
265 | char *line = ximage->data; |
|
|
266 | |
|
|
267 | rgba c (0, 0, 0); |
|
|
268 | |
|
|
269 | if (channels == 4 && alpha_mask == 0) |
|
|
270 | { |
|
|
271 | //pix_colors[Color_bg].get (c); |
206 | //TODO |
272 | //TODO |
|
|
273 | c.r >>= 8; |
|
|
274 | c.g >>= 8; |
|
|
275 | c.b >>= 8; |
|
|
276 | } |
|
|
277 | |
|
|
278 | for (int y = 0; y < height; y++) |
|
|
279 | { |
|
|
280 | for (int x = 0; x < width; x++) |
|
|
281 | { |
|
|
282 | unsigned char *pixel = row + x * channels; |
|
|
283 | uint32_t value; |
|
|
284 | unsigned char r, g, b, a; |
|
|
285 | |
|
|
286 | if (channels == 4) |
|
|
287 | { |
|
|
288 | a = pixel[3]; |
|
|
289 | r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; |
|
|
290 | g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; |
|
|
291 | b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; |
|
|
292 | } |
|
|
293 | else |
|
|
294 | { |
|
|
295 | a = 0xff; |
|
|
296 | r = pixel[0]; |
|
|
297 | g = pixel[1]; |
|
|
298 | b = pixel[2]; |
|
|
299 | } |
|
|
300 | |
|
|
301 | value = ((r >> (8 - width_r)) << sh_r) |
|
|
302 | | ((g >> (8 - width_g)) << sh_g) |
|
|
303 | | ((b >> (8 - width_b)) << sh_b) |
|
|
304 | | ((a >> (8 - width_a)) << sh_a); |
|
|
305 | |
|
|
306 | if (ximage->bits_per_pixel == 32) |
|
|
307 | ((uint32_t *)line)[x] = value; |
|
|
308 | else |
|
|
309 | XPutPixel (ximage, x, y, value); |
|
|
310 | } |
|
|
311 | |
|
|
312 | row += rowstride; |
|
|
313 | line += ximage->bytes_per_line; |
|
|
314 | } |
|
|
315 | |
|
|
316 | XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height); |
|
|
317 | XDestroyImage (ximage); |
|
|
318 | XFreeGC (dpy, gc); |
|
|
319 | |
|
|
320 | return true; |
207 | } |
321 | } |
208 | |
322 | |
209 | rxvt_img * |
323 | rxvt_img * |
210 | rxvt_img::clone () |
324 | rxvt_img::clone () |
211 | { |
325 | { |