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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.16 by root, Mon Jun 4 16:12:55 2012 UTC vs.
Revision 1.45 by root, Thu Jun 7 17:21:56 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);
115 198
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,
203 None,
204 tmp,
205 0, 0,
206 0, 0,
207 0, 0,
208 w, h);
209
210 size = rv * 2 + 1;
211 get_gaussian_kernel (rv, size, kernel, params);
212 ::swap (params[0], params[1]);
213
214 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
215 XRenderComposite (dpy,
216 PictOpSrc,
217 tmp,
120 None, 218 None,
121 dst, 219 dst,
122 0, 0, 220 0, 0,
123 0, 0, 221 0, 0,
124 0, 0, 222 0, 0,
125 w, h); 223 w, h);
126
127 ::swap (src, dst);
128
129 size = rv * 2 + 1;
130 get_gaussian_kernel (rv, size, kernel, params);
131 ::swap (params[0], params[1]);
132
133 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2);
134 XRenderComposite (dpy,
135 PictOpSrc,
136 src,
137 None,
138 dst,
139 0, 0,
140 0, 0,
141 0, 0,
142 w, h);
143 } 224 }
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 if (alpha)
415 {
416 XRenderColor rc = { 0, 0, 0, 0 };
417 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
418 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
419 }
420 else
421 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
422
423 XRenderFreePicture (dpy, src);
424 XRenderFreePicture (dpy, dst);
425
426 return img;
427}
428
429rxvt_img *
430rxvt_img::sub_rect (int x, int y, int width, int height)
431{
432 rxvt_img *img = clone ();
433
434 img->x += x;
435 img->y += y;
436
437 if (w != width || h != height)
438 {
439 img->w = width;
440 img->h = height;
441
442 rxvt_img *img2 = img->reify ();
443 delete img;
444 img = img2;
445 }
446
447 return img;
448}
449
450rxvt_img *
451rxvt_img::transform (int new_width, int new_height, double matrix[9])
452{
453 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
454 img->alloc ();
455
456 Display *dpy = s->display->dpy;
457 Picture src = src_picture ();
458 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
344 459
345 XTransform xfrm; 460 XTransform xfrm;
346 461
347 for (int i = 0; i < 3; ++i) 462 for (int i = 0; i < 3; ++i)
348 for (int j = 0; j < 3; ++j) 463 for (int j = 0; j < 3; ++j)
349 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 464 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
350 465
466#if 0
467 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
468 xfrm.matrix [1][2] -= XDoubleToFixed (y);
469#endif
470
471 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
351 XRenderSetPictureTransform (dpy, src, &xfrm); 472 XRenderSetPictureTransform (dpy, src, &xfrm);
352 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 473 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
353 474
354 XRenderFreePicture (dpy, src); 475 XRenderFreePicture (dpy, src);
355 XRenderFreePicture (dpy, dst); 476 XRenderFreePicture (dpy, dst);
358} 479}
359 480
360rxvt_img * 481rxvt_img *
361rxvt_img::scale (int new_width, int new_height) 482rxvt_img::scale (int new_width, int new_height)
362{ 483{
484 if (w == new_width && h == new_height)
485 return clone ();
486
363 double matrix[9] = { 487 double matrix[9] = {
364 w / (double)new_width, 0, 0, 488 w / (double)new_width, 0, 0,
365 0, h / (double)new_height, 0, 489 0, h / (double)new_height, 0,
366 0, 0, 1 490 0, 0, 1
367 }; 491 };
368 492
493 int old_repeat_mode = repeat;
494 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
495
496 rxvt_img *img = transform (new_width, new_height, matrix);
497
498 repeat = old_repeat_mode;
499 img->repeat = repeat;
500
501 return img;
502}
503
504rxvt_img *
505rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
506{
507 double s = sin (phi);
508 double c = cos (phi);
509
510 double matrix[9] = {
511 c, -s, -c * x + s * y + x,
512 s, c, -s * x - c * y + y,
513 0, 0, 1
514 };
515
369 return transform (new_width, new_height, RepeatNormal, matrix); 516 return transform (new_width, new_height, matrix);
370} 517}
371 518
372rxvt_img * 519rxvt_img *
373rxvt_img::convert_to (XRenderPictFormat *new_format) 520rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
374{ 521{
522 if (new_format == format)
523 return clone ();
524
375 rxvt_img *img = new rxvt_img (s, new_format, w, h); 525 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
526 img->alloc ();
376 527
377 Display *dpy = s->display->dpy; 528 Display *dpy = s->display->dpy;
378 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 529 Picture src = src_picture ();
379 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 530 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
531 int op = PictOpSrc;
380 532
533 if (format->direct.alphaMask && !new_format->direct.alphaMask)
534 {
535 // does it have to be that complicated
536 rgba c;
537 bg.get (c);
538
539 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
540 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
541
542 op = PictOpOver;
543 }
544
381 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 545 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
382 546
383 XRenderFreePicture (dpy, src);
384 XRenderFreePicture (dpy, dst); 547 XRenderFreePicture (dpy, src);
548 XRenderFreePicture (dpy, dst);
385 549
550 return img;
551}
552
553rxvt_img *
554rxvt_img::blend (rxvt_img *img, double factor)
555{
556 rxvt_img *img2 = clone ();
557 Display *dpy = s->display->dpy;
558 Picture src = img->src_picture ();
559 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
560 Picture mask = create_xrender_mask (dpy, img->pm, False);
561
562 XRenderColor mask_c;
563
564 mask_c.alpha = float_to_component (factor);
565 mask_c.red =
566 mask_c.green =
567 mask_c.blue = 0;
568 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
569
570 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
571
572 XRenderFreePicture (dpy, src);
573 XRenderFreePicture (dpy, dst);
574 XRenderFreePicture (dpy, mask);
575
386 return img; 576 return img2;
387} 577}
388 578
389#endif 579#endif
390 580

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