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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.13 by root, Mon Jun 4 15:30:41 2012 UTC vs.
Revision 1.34 by root, Thu Jun 7 08:36:09 2012 UTC

2#include "../config.h" 2#include "../config.h"
3#include "rxvt.h" 3#include "rxvt.h"
4 4
5#if HAVE_IMG 5#if HAVE_IMG
6 6
7#define float_to_component(d) ((d) * 65535.99)
8
9rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height) 7rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int x, int y, int width, int height)
10: s(screen), w(width), h(height), format(format), shared(false) 8: s(screen), x(x), y(y), w(width), h(height), format(format), repeat(RepeatNormal),
9 pm(0), ref(0)
11{ 10{
12 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
13} 11}
14 12
13rxvt_img::rxvt_img (const rxvt_img &img)
14: s(img.s), x(img.x), y(img.y), w(img.w), h(img.h), format(img.format), repeat(img.repeat), pm(img.pm), ref(img.ref)
15{
16 ++ref->cnt;
17}
18
19#if 0
15rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap) 20rxvt_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) 21: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap)
17{ 22{
23}
24#endif
25
26rxvt_img *
27rxvt_img::new_from_root (rxvt_screen *s)
28{
29 Display *dpy = s->display->dpy;
30 unsigned int root_pm_w, root_pm_h;
31 Pixmap root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_XROOTPMAP_ID]);
32 if (root_pixmap == None)
33 root_pixmap = s->display->get_pixmap_property (s->display->xa[XA_ESETROOT_PMAP_ID]);
34
35 if (root_pixmap == None)
36 return 0;
37
38 Window wdummy;
39 int idummy;
40 unsigned int udummy;
41
42 if (!XGetGeometry (dpy, root_pixmap, &wdummy, &idummy, &idummy, &root_pm_w, &root_pm_h, &udummy, &udummy))
43 return 0;
44
45 rxvt_img *img = new rxvt_img (
46 s,
47 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
48 0,
49 0,
50 root_pm_w,
51 root_pm_h
52 );
53
54 img->pm = root_pixmap;
55 img->ref = new pixref (root_pm_w, root_pm_h);
56 img->ref->ours = false;
57
58 return img;
18} 59}
19 60
20rxvt_img * 61rxvt_img *
21rxvt_img::new_from_file (rxvt_screen *s, const char *filename) 62rxvt_img::new_from_file (rxvt_screen *s, const char *filename)
22{ 63{
27 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 68 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
28 69
29 rxvt_img *img = new rxvt_img ( 70 rxvt_img *img = new rxvt_img (
30 s, 71 s,
31 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24), 72 XRenderFindStandardFormat (s->display->dpy, gdk_pixbuf_get_has_alpha (pb) ? PictStandardARGB32 : PictStandardRGB24),
73 0,
74 0,
32 gdk_pixbuf_get_width (pb), 75 gdk_pixbuf_get_width (pb),
33 gdk_pixbuf_get_height (pb) 76 gdk_pixbuf_get_height (pb)
34 ); 77 );
35 78 img->alloc ();
36 img->render (pb, 0, 0, img->w, img->h, 0, 0); 79 img->render_pixbuf (pb, 0, 0, img->w, img->h, 0, 0);
37 80
81 g_object_unref (pb);
82
83 return img;
84}
85
86void
87rxvt_img::destroy ()
88{
89 if (--ref->cnt)
38 return img; 90 return;
91
92 if (pm && ref->ours)
93 XFreePixmap (s->display->dpy, pm);
94
95 delete ref;
39} 96}
40 97
41rxvt_img::~rxvt_img () 98rxvt_img::~rxvt_img ()
42{ 99{
43 if (!shared) 100 destroy ();
44 XFreePixmap (s->display->dpy, pm); 101}
102
103void
104rxvt_img::alloc ()
105{
106 pm = XCreatePixmap (s->display->dpy, s->display->root, w, h, format->depth);
107 ref = new pixref (w, h);
108}
109
110Picture
111rxvt_img::src_picture ()
112{
113 Display *dpy = s->display->dpy;
114
115 XRenderPictureAttributes pa;
116 pa.repeat = repeat;
117 Picture pic = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
118
119 XRectangle clip = { -x, -y, min (w, ref->w), min (h, ref->h) };
120 XRenderSetPictureClipRectangles (dpy, pic, 0, 0, &clip, 1);
121
122 return pic;
45} 123}
46 124
47void 125void
48rxvt_img::unshare () 126rxvt_img::unshare ()
49{ 127{
50 if (!shared) 128 if (ref->cnt == 1 && ref->ours)
51 return; 129 return;
52 130
53 rxvt_img *img = clone (); 131 //TODO: maybe should reify instead
132 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
133 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
134 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
135 XFreeGC (s->display->dpy, gc);
54 136
55 ::swap (pm , img->pm); 137 destroy ();
56 ::swap (shared, img->shared);
57 138
58 delete img; 139 pm = pm2;
140 ref = new pixref (ref->w, ref->h);
59} 141}
60 142
61void 143void
62rxvt_img::fill (const rxvt_color &c) 144rxvt_img::fill (const rxvt_color &c)
63{ 145{
87 169
88 for (int i = 0; i < width; i++) 170 for (int i = 0; i < width; i++)
89 params[i+2] = XDoubleToFixed (kernel[i] / sum); 171 params[i+2] = XDoubleToFixed (kernel[i] / sum);
90} 172}
91 173
92void 174rxvt_img *
93rxvt_img::blur (int rh, int rv) 175rxvt_img::blur (int rh, int rv)
94{ 176{
95 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) 177 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96 return; 178 return clone ();
97 179
98 Display *dpy = s->display->dpy; 180 Display *dpy = s->display->dpy;
99 int size = max (rh, rv) * 2 + 1; 181 int size = max (rh, rv) * 2 + 1;
100 double *kernel = (double *)malloc (size * sizeof (double)); 182 double *kernel = (double *)malloc (size * sizeof (double));
101 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 183 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
184 rxvt_img *img = new rxvt_img (s, format, x, y, w, h);
185 img->alloc ();
186
187 Picture src = src_picture ();
102 188
103 XRenderPictureAttributes pa; 189 XRenderPictureAttributes pa;
104
105 pa.repeat = RepeatPad; 190 pa.repeat = RepeatPad;
106 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); 191 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
192
107 Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); 193 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); 194 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109 XFreePixmap (dpy, tmp); 195 XFreePixmap (dpy, tmp_pm);
110 196
111 if (kernel && params) 197 if (kernel && params)
112 { 198 {
113 size = rh * 2 + 1; 199 size = rh * 2 + 1;
114 get_gaussian_kernel (rh, size, kernel, params); 200 get_gaussian_kernel (rh, size, kernel, params);
116 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 202 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117 XRenderComposite (dpy, 203 XRenderComposite (dpy,
118 PictOpSrc, 204 PictOpSrc,
119 src, 205 src,
120 None, 206 None,
121 dst, 207 tmp,
122 0, 0, 208 0, 0,
123 0, 0, 209 0, 0,
124 0, 0, 210 0, 0,
125 w, h); 211 w, h);
126 212
127 ::swap (src, dst);
128
129 size = rv * 2 + 1; 213 size = rv * 2 + 1;
130 get_gaussian_kernel (rv, size, kernel, params); 214 get_gaussian_kernel (rv, size, kernel, params);
131 ::swap (params[0], params[1]); 215 ::swap (params[0], params[1]);
132 216
133 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 217 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134 XRenderComposite (dpy, 218 XRenderComposite (dpy,
135 PictOpSrc, 219 PictOpSrc,
136 src, 220 tmp,
137 None, 221 None,
138 dst, 222 dst,
139 0, 0, 223 0, 0,
140 0, 0, 224 0, 0,
141 0, 0, 225 0, 0,
144 228
145 free (kernel); 229 free (kernel);
146 free (params); 230 free (params);
147 XRenderFreePicture (dpy, src); 231 XRenderFreePicture (dpy, src);
148 XRenderFreePicture (dpy, dst); 232 XRenderFreePicture (dpy, dst);
233 XRenderFreePicture (dpy, tmp);
234
235 return img;
149} 236}
150 237
151static Picture 238static Picture
152create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) 239create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153{ 240{
162 249
163 return mask; 250 return mask;
164} 251}
165 252
166void 253void
167rxvt_img::brightness (double r, double g, double b, double a) 254rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168{ 255{
169 Display *dpy = s->display->dpy; 256 Display *dpy = s->display->dpy;
170 Picture src = create_xrender_mask (dpy, pm, True); 257 Picture src = create_xrender_mask (dpy, pm, True);
171 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 258 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172 259
173 XRenderColor mask_c; 260 XRenderColor mask_c;
174 mask_c.red = float_to_component (r); 261 mask_c.red = r;
175 mask_c.green = float_to_component (g); 262 mask_c.green = g;
176 mask_c.blue = float_to_component (b); 263 mask_c.blue = b;
177 mask_c.alpha = float_to_component (a); 264 mask_c.alpha = a;
178 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 265 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179 266
180 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 267 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
268
269 XRenderFreePicture (dpy, src);
270 XRenderFreePicture (dpy, dst);
181} 271}
182 272
183void 273void
184rxvt_img::contrast (double r, double g, double b, double a) 274rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185{ 275{
186 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 276 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187 return; 277 return;
188 278
189 Display *dpy = s->display->dpy; 279 Display *dpy = s->display->dpy;
190 Picture src = create_xrender_mask (dpy, pm, True); 280 Picture src = create_xrender_mask (dpy, pm, True);
191 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 281 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192 282
193 XRenderColor mask_c; 283 XRenderColor mask_c;
194 mask_c.red = float_to_component (r); 284 mask_c.red = r;
195 mask_c.green = float_to_component (g); 285 mask_c.green = g;
196 mask_c.blue = float_to_component (b); 286 mask_c.blue = b;
197 mask_c.alpha = float_to_component (a); 287 mask_c.alpha = a;
198 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 288 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199 289
200 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 290 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
201}
202 291
203void 292 XRenderFreePicture (dpy, src);
293 XRenderFreePicture (dpy, dst);
294}
295
296bool
204rxvt_img::render (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 297rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205{ 298{
206 //TODO 299 Display *dpy = s->display->dpy;
300
301 if (s->visual->c_class != TrueColor)
302 return false;
303
304 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
305
306 red_mask = (uint32_t)format->direct.redMask << format->direct.red;
307 green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
308 blue_mask = (uint32_t)format->direct.blueMask << format->direct.blue;
309 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
310
311 int width_r = ecb_popcount32 (red_mask);
312 int width_g = ecb_popcount32 (green_mask);
313 int width_b = ecb_popcount32 (blue_mask);
314 int width_a = ecb_popcount32 (alpha_mask);
315
316 if (width_r > 8 || width_g > 8 || width_b > 8 || width_a > 8)
317 return false;
318
319 int sh_r = ecb_ctz32 (red_mask);
320 int sh_g = ecb_ctz32 (green_mask);
321 int sh_b = ecb_ctz32 (blue_mask);
322 int sh_a = ecb_ctz32 (alpha_mask);
323
324 if (width > 32767 || height > 32767)
325 return false;
326
327 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
328 width, height, 32, 0);
329 if (!ximage)
330 return false;
331
332 if (height > INT_MAX / ximage->bytes_per_line
333 || !(ximage->data = (char *)malloc (height * ximage->bytes_per_line)))
334 {
335 XDestroyImage (ximage);
336 return false;
337 }
338
339 GC gc = XCreateGC (dpy, pm, 0, 0);
340
341 ximage->byte_order = ecb_big_endian () ? MSBFirst : LSBFirst;
342
343 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
344 int channels = gdk_pixbuf_get_n_channels (pixbuf);
345 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
346 char *line = ximage->data;
347
348 for (int y = 0; y < height; y++)
349 {
350 for (int x = 0; x < width; x++)
351 {
352 unsigned char *pixel = row + x * channels;
353 uint32_t value;
354 unsigned char r, g, b, a;
355
356 if (channels == 4)
357 {
358 a = pixel[3];
359 r = pixel[0] * a / 0xff;
360 g = pixel[1] * a / 0xff;
361 b = pixel[2] * a / 0xff;
362 }
363 else
364 {
365 a = 0xff;
366 r = pixel[0];
367 g = pixel[1];
368 b = pixel[2];
369 }
370
371 value = ((r >> (8 - width_r)) << sh_r)
372 | ((g >> (8 - width_g)) << sh_g)
373 | ((b >> (8 - width_b)) << sh_b)
374 | ((a >> (8 - width_a)) << sh_a);
375
376 if (ximage->bits_per_pixel == 32)
377 ((uint32_t *)line)[x] = value;
378 else
379 XPutPixel (ximage, x, y, value);
380 }
381
382 row += rowstride;
383 line += ximage->bytes_per_line;
384 }
385
386 XPutImage (dpy, pm, gc, ximage, 0, 0, dst_x, dst_y, width, height);
387 XDestroyImage (ximage);
388 XFreeGC (dpy, gc);
389
390 return true;
207} 391}
208 392
209rxvt_img * 393rxvt_img *
210rxvt_img::clone () 394rxvt_img::clone ()
211{ 395{
212 GC gc = XCreateGC (s->display->dpy, pm, 0, 0); 396 return new rxvt_img (*this);
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);
215 XFreeGC (s->display->dpy, gc);
216 return new rxvt_img (s, format, w, h, pm2);
217} 397}
218 398
219rxvt_img * 399rxvt_img *
400rxvt_img::reify ()
401{
402 rxvt_img *img = new rxvt_img (s, format, 0, 0, w, h);
403 img->alloc ();
404
405 // todo, if x==0 and y==0 and w==real width we could clone
406 // but that involves an rtt to find pixmap width.
407
408 Display *dpy = s->display->dpy;
409
410 Picture src = src_picture ();
411 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
412
413 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
414
415 XRenderFreePicture (dpy, src);
416 XRenderFreePicture (dpy, dst);
417
418 return img;
419}
420
421rxvt_img *
422rxvt_img::sub_rect (int x, int y, int width, int height)
423{
424 rxvt_img *img = clone ();
425
426 //TODO: width > w, must reify
427
428 img->x += x;
429 img->y += y;
430 img->w = width;
431 img->h = height;
432
433 return img;
434}
435
436rxvt_img *
220rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9]) 437rxvt_img::transform (int new_width, int new_height, double matrix[9])
221{ 438{
222 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 439 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height);
440 img->alloc ();
223 441
224 Display *dpy = s->display->dpy; 442 Display *dpy = s->display->dpy;
225 XRenderPictureAttributes pa; 443 Picture src = src_picture ();
226 pa.repeat = repeat;
227 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
228 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 444 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
229 445
230 XTransform xfrm; 446 XTransform xfrm;
231 447
232 for (int i = 0; i < 3; ++i) 448 for (int i = 0; i < 3; ++i)
233 for (int j = 0; j < 3; ++j) 449 for (int j = 0; j < 3; ++j)
234 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 450 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
235 451
452 xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO
453 xfrm.matrix [0][3] += XDoubleToFixed (y);
454
455 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
236 XRenderSetPictureTransform (dpy, src, &xfrm); 456 XRenderSetPictureTransform (dpy, src, &xfrm);
237 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 457 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
238 458
239 XRenderFreePicture (dpy, src); 459 XRenderFreePicture (dpy, src);
240 XRenderFreePicture (dpy, dst); 460 XRenderFreePicture (dpy, dst);
244 464
245rxvt_img * 465rxvt_img *
246rxvt_img::scale (int new_width, int new_height) 466rxvt_img::scale (int new_width, int new_height)
247{ 467{
248 double matrix[9] = { 468 double matrix[9] = {
249 new_width / (double)w, 0, 0, 469 w / (double)new_width, 0, 0,
250 0, new_height / (double)h, 0, 470 0, h / (double)new_height, 0,
251 0, 0, 1 471 0, 0, 1
252 }; 472 };
253 473
254 return transform (new_width, new_height, RepeatNormal, matrix); 474 return transform (new_width, new_height, matrix);
255} 475}
256 476
257rxvt_img * 477rxvt_img *
478rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
479{
480 double s = sin (phi);
481 double c = cos (phi);
482
483 double matrix[9] = {
484 c, -s, -c * x + s * y + x,
485 s, c, -s * x - c * y + y,
486 0, 0, 1
487 };
488
489 return transform (new_width, new_height, matrix);
490}
491
492rxvt_img *
258rxvt_img::convert_to (XRenderPictFormat *new_format) 493rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
259{ 494{
495 if (new_format == format)
496 return clone ();
497
260 rxvt_img *img = new rxvt_img (s, new_format, w, h); 498 rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h);
499 img->alloc ();
261 500
262 Display *dpy = s->display->dpy; 501 Display *dpy = s->display->dpy;
263 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 502 Picture src = src_picture ();
264 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 503 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
504 int op = PictOpSrc;
265 505
506 if (format->direct.alphaMask && !new_format->direct.alphaMask)
507 {
508 // does it have to be that complicated
509 rgba c;
510 bg.get (c);
511
512 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
513 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
514
515 op = PictOpOver;
516 }
517
266 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 518 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
267 519
268 XRenderFreePicture (dpy, src);
269 XRenderFreePicture (dpy, dst); 520 XRenderFreePicture (dpy, src);
521 XRenderFreePicture (dpy, dst);
270 522
523 return img;
524}
525
526rxvt_img *
527rxvt_img::blend (rxvt_img *img, double factor)
528{
529 rxvt_img *img2 = clone ();
530 Display *dpy = s->display->dpy;
531 Picture src = src_picture ();
532 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
533 Picture mask = create_xrender_mask (dpy, img->pm, False);
534
535 XRenderColor mask_c;
536
537 mask_c.alpha = float_to_component (factor);
538 mask_c.red =
539 mask_c.green =
540 mask_c.blue = 0;
541 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
542
543 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
544
545 XRenderFreePicture (dpy, src);
546 XRenderFreePicture (dpy, dst);
547 XRenderFreePicture (dpy, mask);
548
271 return img; 549 return img2;
272} 550}
273 551
274#endif 552#endif
275 553

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