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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.17 by root, Mon Jun 4 18:17:25 2012 UTC vs.
Revision 1.41 by root, Thu Jun 7 11:34:09 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, int repeat)
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(repeat),
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_pixbuf (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 return pic;
45} 120}
46 121
47void 122void
48rxvt_img::unshare () 123rxvt_img::unshare ()
49{ 124{
50 if (!shared) 125 if (ref->cnt == 1 && ref->ours)
51 return; 126 return;
52 127
53 rxvt_img *img = clone (); 128 //TODO: maybe should reify instead
129 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
130 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
131 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
132 XFreeGC (s->display->dpy, gc);
54 133
55 ::swap (pm , img->pm); 134 destroy ();
56 ::swap (shared, img->shared);
57 135
58 delete img; 136 pm = pm2;
137 ref = new pixref (ref->w, ref->h);
59} 138}
60 139
61void 140void
62rxvt_img::fill (const rxvt_color &c) 141rxvt_img::fill (const rxvt_color &c)
63{ 142{
87 166
88 for (int i = 0; i < width; i++) 167 for (int i = 0; i < width; i++)
89 params[i+2] = XDoubleToFixed (kernel[i] / sum); 168 params[i+2] = XDoubleToFixed (kernel[i] / sum);
90} 169}
91 170
92void 171rxvt_img *
93rxvt_img::blur (int rh, int rv) 172rxvt_img::blur (int rh, int rv)
94{ 173{
95 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV)) 174 if (!(s->display->flags & DISPLAY_HAS_RENDER_CONV))
96 return; 175 return clone ();
97 176
98 Display *dpy = s->display->dpy; 177 Display *dpy = s->display->dpy;
99 int size = max (rh, rv) * 2 + 1; 178 int size = max (rh, rv) * 2 + 1;
100 double *kernel = (double *)malloc (size * sizeof (double)); 179 double *kernel = (double *)malloc (size * sizeof (double));
101 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 180 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
181 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
182 img->alloc ();
183
184 Picture src = src_picture ();
102 185
103 XRenderPictureAttributes pa; 186 XRenderPictureAttributes pa;
104
105 pa.repeat = RepeatPad; 187 pa.repeat = RepeatPad;
106 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa); 188 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
189
107 Pixmap tmp = XCreatePixmap (dpy, pm, w, h, format->depth); 190 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
108 Picture dst = XRenderCreatePicture (dpy, tmp, format, CPRepeat, &pa); 191 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
109 XFreePixmap (dpy, tmp); 192 XFreePixmap (dpy, tmp_pm);
110 193
111 if (kernel && params) 194 if (kernel && params)
112 { 195 {
113 size = rh * 2 + 1; 196 size = rh * 2 + 1;
114 get_gaussian_kernel (rh, size, kernel, params); 197 get_gaussian_kernel (rh, size, kernel, params);
116 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 199 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
117 XRenderComposite (dpy, 200 XRenderComposite (dpy,
118 PictOpSrc, 201 PictOpSrc,
119 src, 202 src,
120 None, 203 None,
121 dst, 204 tmp,
122 0, 0, 205 0, 0,
123 0, 0, 206 0, 0,
124 0, 0, 207 0, 0,
125 w, h); 208 w, h);
126 209
127 ::swap (src, dst);
128
129 size = rv * 2 + 1; 210 size = rv * 2 + 1;
130 get_gaussian_kernel (rv, size, kernel, params); 211 get_gaussian_kernel (rv, size, kernel, params);
131 ::swap (params[0], params[1]); 212 ::swap (params[0], params[1]);
132 213
133 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 214 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134 XRenderComposite (dpy, 215 XRenderComposite (dpy,
135 PictOpSrc, 216 PictOpSrc,
136 src, 217 tmp,
137 None, 218 None,
138 dst, 219 dst,
139 0, 0, 220 0, 0,
140 0, 0, 221 0, 0,
141 0, 0, 222 0, 0,
144 225
145 free (kernel); 226 free (kernel);
146 free (params); 227 free (params);
147 XRenderFreePicture (dpy, src); 228 XRenderFreePicture (dpy, src);
148 XRenderFreePicture (dpy, dst); 229 XRenderFreePicture (dpy, dst);
230 XRenderFreePicture (dpy, tmp);
231
232 return img;
149} 233}
150 234
151static Picture 235static Picture
152create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) 236create_xrender_mask (Display *dpy, Drawable drawable, Bool argb)
153{ 237{
162 246
163 return mask; 247 return mask;
164} 248}
165 249
166void 250void
167rxvt_img::brightness (double r, double g, double b, double a) 251rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
168{ 252{
169 Display *dpy = s->display->dpy; 253 Display *dpy = s->display->dpy;
170 Picture src = create_xrender_mask (dpy, pm, True); 254 Picture src = create_xrender_mask (dpy, pm, True);
171 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 255 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
172 256
173 XRenderColor mask_c; 257 XRenderColor mask_c;
174 mask_c.red = float_to_component (r); 258 mask_c.red = r;
175 mask_c.green = float_to_component (g); 259 mask_c.green = g;
176 mask_c.blue = float_to_component (b); 260 mask_c.blue = b;
177 mask_c.alpha = float_to_component (a); 261 mask_c.alpha = a;
178 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 262 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
179 263
180 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 264 XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
265
266 XRenderFreePicture (dpy, src);
267 XRenderFreePicture (dpy, dst);
181} 268}
182 269
183void 270void
184rxvt_img::contrast (double r, double g, double b, double a) 271rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a)
185{ 272{
186 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 273 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
187 return; 274 return;
188 275
189 Display *dpy = s->display->dpy; 276 Display *dpy = s->display->dpy;
190 Picture src = create_xrender_mask (dpy, pm, True); 277 Picture src = create_xrender_mask (dpy, pm, True);
191 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 278 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
192 279
193 XRenderColor mask_c; 280 XRenderColor mask_c;
194 mask_c.red = float_to_component (r); 281 mask_c.red = r;
195 mask_c.green = float_to_component (g); 282 mask_c.green = g;
196 mask_c.blue = float_to_component (b); 283 mask_c.blue = b;
197 mask_c.alpha = float_to_component (a); 284 mask_c.alpha = a;
198 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 285 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
199 286
200 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 287 XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
288
289 XRenderFreePicture (dpy, src);
290 XRenderFreePicture (dpy, dst);
201} 291}
202 292
203bool 293bool
204rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y) 294rxvt_img::render_pixbuf (GdkPixbuf *pixbuf, int src_x, int src_y, int width, int height, int dst_x, int dst_y)
205{ 295{
206 bool argb = format->id == PictStandardARGB32;
207
208 Display *dpy = s->display->dpy; 296 Display *dpy = s->display->dpy;
209 297
210 if (s->visual->c_class != TrueColor) 298 if (s->visual->c_class != TrueColor)
211 return false; 299 return false;
212 300
213 uint32_t red_mask, green_mask, blue_mask, alpha_mask; 301 uint32_t red_mask, green_mask, blue_mask, alpha_mask;
214 302
215 if (argb) 303 red_mask = (uint32_t)format->direct.redMask << format->direct.red;
216 { 304 green_mask = (uint32_t)format->direct.greenMask << format->direct.green;
217 red_mask = 0xff << 16; 305 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; 306 alpha_mask = (uint32_t)format->direct.alphaMask << format->direct.alpha;
228 }
229 307
230 int width_r = ecb_popcount32 (red_mask); 308 int width_r = ecb_popcount32 (red_mask);
231 int width_g = ecb_popcount32 (green_mask); 309 int width_g = ecb_popcount32 (green_mask);
232 int width_b = ecb_popcount32 (blue_mask); 310 int width_b = ecb_popcount32 (blue_mask);
233 int width_a = ecb_popcount32 (alpha_mask); 311 int width_a = ecb_popcount32 (alpha_mask);
241 int sh_a = ecb_ctz32 (alpha_mask); 319 int sh_a = ecb_ctz32 (alpha_mask);
242 320
243 if (width > 32767 || height > 32767) 321 if (width > 32767 || height > 32767)
244 return false; 322 return false;
245 323
246 XImage *ximage = XCreateImage (dpy, s->visual, argb ? 32 : format->depth, ZPixmap, 0, 0, 324 XImage *ximage = XCreateImage (dpy, s->visual, format->depth, ZPixmap, 0, 0,
247 width, height, 32, 0); 325 width, height, 32, 0);
248 if (!ximage) 326 if (!ximage)
249 return false; 327 return false;
250 328
251 if (height > INT_MAX / ximage->bytes_per_line 329 if (height > INT_MAX / ximage->bytes_per_line
261 339
262 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 340 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
263 int channels = gdk_pixbuf_get_n_channels (pixbuf); 341 int channels = gdk_pixbuf_get_n_channels (pixbuf);
264 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels; 342 unsigned char *row = gdk_pixbuf_get_pixels (pixbuf) + src_y * rowstride + src_x * channels;
265 char *line = ximage->data; 343 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);
272 //TODO
273 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
274 c.r >>= 8;
275 c.g >>= 8;
276 c.b >>= 8;
277 }
278 344
279 for (int y = 0; y < height; y++) 345 for (int y = 0; y < height; y++)
280 { 346 {
281 for (int x = 0; x < width; x++) 347 for (int x = 0; x < width; x++)
282 { 348 {
285 unsigned char r, g, b, a; 351 unsigned char r, g, b, a;
286 352
287 if (channels == 4) 353 if (channels == 4)
288 { 354 {
289 a = pixel[3]; 355 a = pixel[3];
290 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; 356 r = pixel[0] * a / 0xff;
291 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; 357 g = pixel[1] * a / 0xff;
292 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; 358 b = pixel[2] * a / 0xff;
293 } 359 }
294 else 360 else
295 { 361 {
296 a = 0xff; 362 a = 0xff;
297 r = pixel[0]; 363 r = pixel[0];
322} 388}
323 389
324rxvt_img * 390rxvt_img *
325rxvt_img::clone () 391rxvt_img::clone ()
326{ 392{
327 GC gc = XCreateGC (s->display->dpy, pm, 0, 0); 393 return new rxvt_img (*this);
328 Pixmap pm2 = XCreatePixmap (s->display->dpy, pm, w, h, format->depth);
329 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, w, h, 0, 0);
330 XFreeGC (s->display->dpy, gc);
331 return new rxvt_img (s, format, w, h, pm2);
332} 394}
333 395
334rxvt_img * 396rxvt_img *
335rxvt_img::transform (int new_width, int new_height, int repeat, double matrix[9]) 397rxvt_img::reify ()
336{ 398{
337 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 399 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
400 return clone ();
338 401
339 Display *dpy = s->display->dpy; 402 Display *dpy = s->display->dpy;
340 XRenderPictureAttributes pa; 403
341 pa.repeat = repeat; 404 bool alpha = !format->direct.alphaMask
342 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); 405 && (x || y)
406 && repeat == RepeatNone;
407
408 rxvt_img *img = new rxvt_img (s, alpha ? XRenderFindStandardFormat (dpy, PictStandardARGB32) : format, 0, 0, w, h, repeat);
409 img->alloc ();
410
411 Picture src = src_picture ();
343 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 412 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
413
414 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
415
416 XRenderFreePicture (dpy, src);
417 XRenderFreePicture (dpy, dst);
418
419 return img;
420}
421
422rxvt_img *
423rxvt_img::sub_rect (int x, int y, int width, int height)
424{
425 rxvt_img *img = clone ();
426
427 img->x += x;
428 img->y += y;
429
430 if (w != width || h != height)
431 {
432 img->w = width;
433 img->h = height;
434
435 rxvt_img *img2 = img->reify ();
436 delete img;
437 img = img2;
438 }
439
440 return img;
441}
442
443rxvt_img *
444rxvt_img::transform (int new_width, int new_height, double matrix[9])
445{
446 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
447 img->alloc ();
448
449 Display *dpy = s->display->dpy;
450 Picture src = src_picture ();
451 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
344 452
345 XTransform xfrm; 453 XTransform xfrm;
346 454
347 for (int i = 0; i < 3; ++i) 455 for (int i = 0; i < 3; ++i)
348 for (int j = 0; j < 3; ++j) 456 for (int j = 0; j < 3; ++j)
349 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 457 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
458
459 xfrm.matrix [0][2] += XDoubleToFixed (x);//TODO
460 xfrm.matrix [0][3] += XDoubleToFixed (y);
350 461
351 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 462 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
352 XRenderSetPictureTransform (dpy, src, &xfrm); 463 XRenderSetPictureTransform (dpy, src, &xfrm);
353 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 464 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
354 465
365 w / (double)new_width, 0, 0, 476 w / (double)new_width, 0, 0,
366 0, h / (double)new_height, 0, 477 0, h / (double)new_height, 0,
367 0, 0, 1 478 0, 0, 1
368 }; 479 };
369 480
370 return transform (new_width, new_height, RepeatNormal, matrix); 481 return transform (new_width, new_height, matrix);
371} 482}
372 483
373rxvt_img * 484rxvt_img *
374rxvt_img::rotate (int new_width, int new_height, int repeat, int x, int y, double phi) 485rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
375{ 486{
376 double s = sin (phi); 487 double s = sin (phi);
377 double c = cos (phi); 488 double c = cos (phi);
378 489
379 double matrix[9] = { 490 double matrix[9] = {
380 c, -s, -c * x + s * y + x, 491 c, -s, -c * x + s * y + x,
381 s, c, -s * x - c * y + y, 492 s, c, -s * x - c * y + y,
382 0, 0, 1 493 0, 0, 1
383 }; 494 };
384 495
385 return transform (new_width, new_height, repeat, matrix); 496 return transform (new_width, new_height, matrix);
386} 497}
387 498
388rxvt_img * 499rxvt_img *
389rxvt_img::convert_to (XRenderPictFormat *new_format) 500rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
390{ 501{
502 if (new_format == format)
503 return clone ();
504
391 rxvt_img *img = new rxvt_img (s, new_format, w, h); 505 rxvt_img *img = new rxvt_img (s, new_format, 0, 0, w, h, repeat);
506 img->alloc ();
392 507
393 Display *dpy = s->display->dpy; 508 Display *dpy = s->display->dpy;
394 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 509 Picture src = src_picture ();
395 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 510 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
511 int op = PictOpSrc;
396 512
513 if (format->direct.alphaMask && !new_format->direct.alphaMask)
514 {
515 // does it have to be that complicated
516 rgba c;
517 bg.get (c);
518
519 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
520 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
521
522 op = PictOpOver;
523 }
524
397 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 525 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
398 526
399 XRenderFreePicture (dpy, src);
400 XRenderFreePicture (dpy, dst); 527 XRenderFreePicture (dpy, src);
528 XRenderFreePicture (dpy, dst);
401 529
530 return img;
531}
532
533rxvt_img *
534rxvt_img::blend (rxvt_img *img, double factor)
535{
536 rxvt_img *img2 = clone ();
537 Display *dpy = s->display->dpy;
538 Picture src = img->src_picture ();
539 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
540 Picture mask = create_xrender_mask (dpy, img->pm, False);
541
542 XRenderColor mask_c;
543
544 mask_c.alpha = float_to_component (factor);
545 mask_c.red =
546 mask_c.green =
547 mask_c.blue = 0;
548 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
549
550 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
551
552 XRenderFreePicture (dpy, src);
553 XRenderFreePicture (dpy, dst);
554 XRenderFreePicture (dpy, mask);
555
402 return img; 556 return img2;
403} 557}
404 558
405#endif 559#endif
406 560

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