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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.12 by root, Mon Jun 4 15:28:49 2012 UTC vs.
Revision 1.25 by sf-exg, Tue Jun 5 22:00:15 2012 UTC

… …
13} 13}
14 14
15rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) 15rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap)
16: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false) 16: s(screen), pm(pixmap), w(width), h(height), format(format), shared(false)
17{ 17{
18}
19
20rxvt_img *
21rxvt_img::new_from_root (rxvt_screen *s)
22{
23 Display *dpy = s->display->dpy;
24 unsigned int root_pm_w, root_pm_h;
25 Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
26 if (root_pixmap == None)
27 root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
28
29 if (root_pixmap == None)
30 return 0;
31
32 Window wdummy;
33 int idummy;
34 unsigned int udummy;
35
36 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
37 return 0;
38
39 rxvt_img *img = new rxvt_img (
40 s,
41 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
42 root_pm_w,
43 root_pm_h,
44 root_pixmap
45 );
46
47 img->shared = true;
48
49 return img;
18} 50}
19 51
20rxvt_img * 52rxvt_img *
21rxvt_img::new_from_file (rxvt_screen *s, const char *filename) 53rxvt_img::new_from_file (rxvt_screen *s, const char *filename)
22{ 54{
… …
31 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), 63 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
32 gdk_pixbuf_get_width (pb), 64 gdk_pixbuf_get_width (pb),
33 gdk_pixbuf_get_height (pb) 65 gdk_pixbuf_get_height (pb)
34 ); 66 );
35 67
36 img->render (pb, 0, 0, img->w, img->h, 0, 0); 68 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
37 69
38 return img; 70 return img;
39} 71}
40 72
41rxvt_img::~rxvt_img () 73rxvt_img::~rxvt_img ()
… …
87 119
88 for (int i = 0; i < width; i++) 120 for (int i = 0; i < width; i++)
89 params[i+2] = XDoubleToFixed (kernel[i] / sum); 121 params[i+2] = XDoubleToFixed (kernel[i] / sum);
90} 122}
91 123
92void 124rxvt_img *
93rxvt_img::blur (int rh, int rv) 125rxvt_img::blur (int rh, int rv)
94{ 126{
95 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) 127 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96 return; 128 return clone ();
97 129
98 Display *dpy = s->display->dpy; 130 Display *dpy = s->display->dpy;
99 int size = max (rh, rv) * 2 + 1; 131 int size = max (rh, rv) * 2 + 1;
100 double *kernel = (double *)malloc (size * sizeof (double)); 132 double *kernel = (double *)malloc (size * sizeof (double));
101 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 133 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
134 rxvt_img *img = new rxvt_img (s, format, w, h);
102 135
103 XRenderPictureAttributes pa; 136 XRenderPictureAttributes pa;
104 137
105 pa.repeat = RepeatPad; 138 pa.repeat = RepeatPad;
106 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); 139 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);
140 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
141
107 Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); 142 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); 143 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109 XFreePixmap (dpy, tmp); 144 XFreePixmap (dpy, tmp_pm);
110 145
111 if (kernel && params) 146 if (kernel && params)
112 { 147 {
113 size = rh * 2 + 1; 148 size = rh * 2 + 1;
114 get_gaussian_kernel (rh, size, kernel, params); 149 get_gaussian_kernel (rh, size, kernel, params);
… …
116 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 151 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117 XRenderComposite (dpy, 152 XRenderComposite (dpy,
118 PictOpSrc, 153 PictOpSrc,
119 src, 154 src,
120 None, 155 None,
121 dst, 156 tmp,
122 0, 0, 157 0, 0,
123 0, 0, 158 0, 0,
124 0, 0, 159 0, 0,
125 w, h); 160 w, h);
126
127 ::swap (src, dst);
128 161
129 size = rv * 2 + 1; 162 size = rv * 2 + 1;
130 get_gaussian_kernel (rv, size, kernel, params); 163 get_gaussian_kernel (rv, size, kernel, params);
131 ::swap (params[0], params[1]); 164 ::swap (params[0], params[1]);
132 165
133 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 166 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134 XRenderComposite (dpy, 167 XRenderComposite (dpy,
135 PictOpSrc, 168 PictOpSrc,
136 src, 169 tmp,
137 None, 170 None,
138 dst, 171 dst,
139 0, 0, 172 0, 0,
140 0, 0, 173 0, 0,
141 0, 0, 174 0, 0,
… …
144 177
145 free (kernel); 178 free (kernel);
146 free (params); 179 free (params);
147 XRenderFreePicture (dpy, src); 180 XRenderFreePicture (dpy, src);
148 XRenderFreePicture (dpy, dst); 181 XRenderFreePicture (dpy, dst);
182 XRenderFreePicture (dpy, tmp);
183
184 return img;
149} 185}
150 186
151static Picture 187static Picture
152create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) 188create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153{ 189{
… …
176 mask_c.blue = float_to_component (b); 212 mask_c.blue = float_to_component (b);
177 mask_c.alpha = float_to_component (a); 213 mask_c.alpha = float_to_component (a);
178 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 214 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179 215
180 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);
217
218 XRenderFreePicture (dpy, src);
219 XRenderFreePicture (dpy, dst);
181} 220}
182 221
183void 222void
184rxvt_img::contrast (double r, double g, double b, double a) 223rxvt_img::contrast (double r, double g, double b, double a)
185{ 224{
… …
196 mask_c.blue = float_to_component (b); 235 mask_c.blue = float_to_component (b);
197 mask_c.alpha = float_to_component (a); 236 mask_c.alpha = float_to_component (a);
198 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 237 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199 238
200 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);
201}
202 240
203void 241 XRenderFreePicture (dpy, src);
242 XRenderFreePicture (dpy, dst);
243}
244
245bool
204rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 246rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205{ 247{
206 //TODO 248 Display *dpy = s->display->dpy;
249
250 if (s->visual->c_class != TrueColor)
251 return false;
252
253 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
254
255 red_mask = (uint32_t)format->direct.redMask << format->direct.red;
256 green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
257 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
258 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
259
260 int width_r = ecb_popcount32 (red_mask);
261 int width_g = ecb_popcount32 (green_mask);
262 int width_b = ecb_popcount32 (blue_mask);
263 int width_a = ecb_popcount32 (alpha_mask);
264
265 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
266 return false;
267
268 int sh_r = ecb_ctz32 (red_mask);
269 int sh_g = ecb_ctz32 (green_mask);
270 int sh_b = ecb_ctz32 (blue_mask);
271 int sh_a = ecb_ctz32 (alpha_mask);
272
273 if (width > 32767 || height > 32767)
274 return false;
275
276 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
277 width, height, 32, 0);
278 if (!ximage)
279 return false;
280
281 if (height > INT_MAX / ximage->bytes_per_line
282 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
283 {
284 XDestroyImage (ximage);
285 return false;
286 }
287
288 GC gc = XCreateGC (dpy, pm, 0, 0);
289
290 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
291
292 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
293 int channels = gdk_pixbuf_get_n_channels (pixbuf);
294 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
295 char *line = ximage->data;
296
297 for (int y = 0; y < height; y++)
298 {
299 for (int x = 0; x < width; x++)
300 {
301 unsigned char *pixel = row + x * channels;
302 uint32_t value;
303 unsigned char r, g, b, a;
304
305 if (channels == 4)
306 {
307 a = pixel[3];
308 r = pixel[0] * a / 0xff;
309 g = pixel[1] * a / 0xff;
310 b = pixel[2] * a / 0xff;
311 }
312 else
313 {
314 a = 0xff;
315 r = pixel[0];
316 g = pixel[1];
317 b = pixel[2];
318 }
319
320 value = ((r >> (8 - width_r)) << sh_r)
321 | ((g >> (8 - width_g)) << sh_g)
322 | ((b >> (8 - width_b)) << sh_b)
323 | ((a >> (8 - width_a)) << sh_a);
324
325 if (ximage->bits_per_pixel == 32)
326 ((uint32_t *)line)[x] = value;
327 else
328 XPutPixel (ximage, x, y, value);
329 }
330
331 row += rowstride;
332 line += ximage->bytes_per_line;
333 }
334
335 XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
336 XDestroyImage (ximage);
337 XFreeGC (dpy, gc);
338
339 return true;
207} 340}
208 341
209rxvt_img * 342rxvt_img *
210rxvt_img::clone () 343rxvt_img::clone ()
211{ 344{
345 rxvt_img *img = new rxvt_img (s, format, w, h);
346
212 GC gc = XCreateGC (s->display->dpy, pm, 0, 0); 347 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
213 Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
214 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0); 348 XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
215 XFreeGC (s->display->dpy, gc); 349 XFreeGC (s->display->dpy, gc);
216 return new rxvt_img (s, format, w, h, pm2);
217}
218 350
351 return img;
352}
353
219rxvt_img * 354rxvt_img *
355rxvt_img::sub_rect (int x, int y, int width, int height, int repeat)
356{
357 rxvt_img *img = new rxvt_img (s, format, width, height);
358
359 Display *dpy = s->display->dpy;
360 XRenderPictureAttributes pa;
361 pa.repeat = repeat;
362 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
363 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
364
365 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height);
366
367 XRenderFreePicture (dpy, src);
368 XRenderFreePicture (dpy, dst);
369
370 return img;
371}
372
373rxvt_img *
220rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9]) 374rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat)
221{ 375{
222 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 376 rxvt_img *img = new rxvt_img (s, format, new_width, new_height);
223 377
224 Display *dpy = s->display->dpy; 378 Display *dpy = s->display->dpy;
379 XRenderPictureAttributes pa;
380 pa.repeat = repeat;
225 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 381 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
226 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 382 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
227 383
228 XTransform xfrm; 384 XTransform xfrm;
229 385
230 for (int i = 0; i < 3; ++i) 386 for (int i = 0; i < 3; ++i)
231 for (int j = 0; j < 3; ++j) 387 for (int j = 0; j < 3; ++j)
232 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 388 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
233 389
390 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
234 XRenderSetPictureTransform (dpy, src, &xfrm); 391 XRenderSetPictureTransform (dpy, src, &xfrm);
235 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 392 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
236 393
237 XRenderFreePicture (dpy, src); 394 XRenderFreePicture (dpy, src);
238 XRenderFreePicture (dpy, dst); 395 XRenderFreePicture (dpy, dst);
… …
242 399
243rxvt_img * 400rxvt_img *
244rxvt_img::scale (int new_width, int new_height) 401rxvt_img::scale (int new_width, int new_height)
245{ 402{
246 double matrix[9] = { 403 double matrix[9] = {
247 new_width / (double)w, 0, 0, 404 w / (double)new_width, 0, 0,
248 0, new_height / (double)h, 0, 405 0, h / (double)new_height, 0,
249 0, 0, 1 406 0, 0, 1
250 }; 407 };
251 408
252 return transform (new_width, new_height, RepeatNormal, matrix); 409 return transform (new_width, new_height, matrix);
410}
411
412rxvt_img *
413rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat)
414{
415 double s = sin (phi);
416 double c = cos (phi);
417
418 double matrix[9] = {
419 c, -s, -c * x + s * y + x,
420 s, c, -s * x - c * y + y,
421 0, 0, 1
422 };
423
424 return transform (new_width, new_height, matrix, repeat);
253} 425}
254 426
255rxvt_img * 427rxvt_img *
256rxvt_img::convert_to (XRenderPictFormat *new_format) 428rxvt_img::convert_to (XRenderPictFormat *new_format)
257{ 429{
… …
267 XRenderFreePicture (dpy, dst); 439 XRenderFreePicture (dpy, dst);
268 440
269 return img; 441 return img;
270} 442}
271 443
444rxvt_img *
445rxvt_img::blend (rxvt_img *img, double factor)
446{
447 rxvt_img *img2 = clone ();
448 Display *dpy = s->display->dpy;
449 Picture src = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
450 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
451 Picture mask = create_xrender_mask (dpy, img->pm, False);
452
453 XRenderColor mask_c;
454
455 mask_c.alpha = float_to_component (factor);
456 mask_c.red =
457 mask_c.green =
458 mask_c.blue = 0;
459 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
460
461 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
462
463 XRenderFreePicture (dpy, src);
464 XRenderFreePicture (dpy, dst);
465 XRenderFreePicture (dpy, mask);
466
467 return img2;
468}
469
272#endif 470#endif
273 471

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