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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.23 by sf-exg, Tue Jun 5 18:48:21 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{
18} 23}
24#endif
19 25
20rxvt_img * 26rxvt_img *
21rxvt_img::new_from_root (rxvt_screen *s) 27rxvt_img::new_from_root (rxvt_screen *s)
22{ 28{
23 Display *dpy = s->display->dpy; 29 Display *dpy = s->display->dpy;
… …
37 return 0; 43 return 0;
38 44
39 rxvt_img *img = new rxvt_img ( 45 rxvt_img *img = new rxvt_img (
40 s, 46 s,
41 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)), 47 XRenderFindVisualFormat (dpy, DefaultVisual (dpy, s->display->screen)),
48 0,
49 0,
42 root_pm_w, 50 root_pm_w,
43 root_pm_h, 51 root_pm_h
44 root_pixmap
45 ); 52 );
46 53
47 img->shared = true; 54 img->pm = root_pixmap;
55 img->ref = new pixref (root_pm_w, root_pm_h);
56 img->ref->ours = false;
48 57
49 return img; 58 return img;
50} 59}
51 60
52rxvt_img * 61rxvt_img *
… …
59 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message); 68 rxvt_fatal ("rxvt_img::new_from_file: %s\n", err->message);
60 69
61 rxvt_img *img = new rxvt_img ( 70 rxvt_img *img = new rxvt_img (
62 s, 71 s,
63 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,
64 gdk_pixbuf_get_width (pb), 75 gdk_pixbuf_get_width (pb),
65 gdk_pixbuf_get_height (pb) 76 gdk_pixbuf_get_height (pb)
66 ); 77 );
67 78 img->alloc ();
68 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);
69 80
81 g_object_unref (pb);
82
83 return img;
84}
85
86void
87rxvt_img::destroy ()
88{
89 if (--ref->cnt)
70 return img; 90 return;
91
92 if (pm && ref->ours)
93 XFreePixmap (s->display->dpy, pm);
94
95 delete ref;
71} 96}
72 97
73rxvt_img::~rxvt_img () 98rxvt_img::~rxvt_img ()
74{ 99{
75 if (!shared) 100 destroy ();
76 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;
77} 120}
78 121
79void 122void
80rxvt_img::unshare () 123rxvt_img::unshare ()
81{ 124{
82 if (!shared) 125 if (ref->cnt == 1 && ref->ours)
83 return; 126 return;
84 127
85 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);
86 133
87 ::swap (pm , img->pm); 134 destroy ();
88 ::swap (shared, img->shared);
89 135
90 delete img; 136 pm = pm2;
137 ref = new pixref (ref->w, ref->h);
91} 138}
92 139
93void 140void
94rxvt_img::fill (const rxvt_color &c) 141rxvt_img::fill (const rxvt_color &c)
95{ 142{
… …
129 176
130 Display *dpy = s->display->dpy; 177 Display *dpy = s->display->dpy;
131 int size = max (rh, rv) * 2 + 1; 178 int size = max (rh, rv) * 2 + 1;
132 double *kernel = (double *)malloc (size * sizeof (double)); 179 double *kernel = (double *)malloc (size * sizeof (double));
133 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 180 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
134 rxvt_img *img = new rxvt_img (s, format, w, h); 181 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
182 img->alloc ();
183
184 Picture src = src_picture ();
135 185
136 XRenderPictureAttributes pa; 186 XRenderPictureAttributes pa;
137
138 pa.repeat = RepeatPad; 187 pa.repeat = RepeatPad;
139 Picture src = XRenderCreatePicture (dpy, pm , format, CPRepeat, &pa);
140 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 188 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa);
141 189
142 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 190 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
143 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 191 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
144 XFreePixmap (dpy, tmp_pm); 192 XFreePixmap (dpy, tmp_pm);
… …
198 246
199 return mask; 247 return mask;
200} 248}
201 249
202void 250void
203rxvt_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)
204{ 252{
205 Display *dpy = s->display->dpy; 253 Display *dpy = s->display->dpy;
206 Picture src = create_xrender_mask (dpy, pm, True); 254 Picture src = create_xrender_mask (dpy, pm, True);
207 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 255 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
208 256
209 XRenderColor mask_c; 257 XRenderColor mask_c;
210 mask_c.red = float_to_component (r); 258 mask_c.red = r;
211 mask_c.green = float_to_component (g); 259 mask_c.green = g;
212 mask_c.blue = float_to_component (b); 260 mask_c.blue = b;
213 mask_c.alpha = float_to_component (a); 261 mask_c.alpha = a;
214 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 262 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
215 263
216 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);
217 265
218 XRenderFreePicture (dpy, src); 266 XRenderFreePicture (dpy, src);
219 XRenderFreePicture (dpy, dst); 267 XRenderFreePicture (dpy, dst);
220} 268}
221 269
222void 270void
223rxvt_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)
224{ 272{
225 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 273 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
226 return; 274 return;
227 275
228 Display *dpy = s->display->dpy; 276 Display *dpy = s->display->dpy;
229 Picture src = create_xrender_mask (dpy, pm, True); 277 Picture src = create_xrender_mask (dpy, pm, True);
230 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 278 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
231 279
232 XRenderColor mask_c; 280 XRenderColor mask_c;
233 mask_c.red = float_to_component (r); 281 mask_c.red = r;
234 mask_c.green = float_to_component (g); 282 mask_c.green = g;
235 mask_c.blue = float_to_component (b); 283 mask_c.blue = b;
236 mask_c.alpha = float_to_component (a); 284 mask_c.alpha = a;
237 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 285 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
238 286
239 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);
240 288
241 XRenderFreePicture (dpy, src); 289 XRenderFreePicture (dpy, src);
… …
291 339
292 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 340 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
293 int channels = gdk_pixbuf_get_n_channels (pixbuf); 341 int channels = gdk_pixbuf_get_n_channels (pixbuf);
294 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;
295 char *line = ximage->data; 343 char *line = ximage->data;
296
297 rgba c (0, 0, 0);
298
299 if (channels == 4 && alpha_mask == 0)
300 {
301 //pix_colors[Color_bg].get (c);
302 //TODO
303 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
304 c.r >>= 8;
305 c.g >>= 8;
306 c.b >>= 8;
307 }
308 344
309 for (int y = 0; y < height; y++) 345 for (int y = 0; y < height; y++)
310 { 346 {
311 for (int x = 0; x < width; x++) 347 for (int x = 0; x < width; x++)
312 { 348 {
… …
315 unsigned char r, g, b, a; 351 unsigned char r, g, b, a;
316 352
317 if (channels == 4) 353 if (channels == 4)
318 { 354 {
319 a = pixel[3]; 355 a = pixel[3];
320 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; 356 r = pixel[0] * a / 0xff;
321 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; 357 g = pixel[1] * a / 0xff;
322 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; 358 b = pixel[2] * a / 0xff;
323 } 359 }
324 else 360 else
325 { 361 {
326 a = 0xff; 362 a = 0xff;
327 r = pixel[0]; 363 r = pixel[0];
… …
352} 388}
353 389
354rxvt_img * 390rxvt_img *
355rxvt_img::clone () 391rxvt_img::clone ()
356{ 392{
357 rxvt_img *img = new rxvt_img (s, format, w, h); 393 return new rxvt_img (*this);
358
359 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
360 XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
361 XFreeGC (s->display->dpy, gc);
362
363 return img;
364} 394}
365 395
366rxvt_img * 396rxvt_img *
367rxvt_img::sub_rect (int x, int y, int width, int height, int repeat) 397rxvt_img::reify ()
368{ 398{
369 rxvt_img *img = new rxvt_img (s, format, width, height); 399 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
400 return clone ();
370 401
371 Display *dpy = s->display->dpy; 402 Display *dpy = s->display->dpy;
372 XRenderPictureAttributes pa; 403
373 pa.repeat = repeat; 404 bool alpha = !format->direct.alphaMask
374 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 ();
375 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 412 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
376 413
377 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); 414 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
378 415
379 XRenderFreePicture (dpy, src);
380 XRenderFreePicture (dpy, dst); 416 XRenderFreePicture (dpy, src);
417 XRenderFreePicture (dpy, dst);
381 418
382 return img; 419 return img;
383} 420}
384 421
385rxvt_img * 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 *
386rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) 444rxvt_img::transform (int new_width, int new_height, double matrix[9])
387{ 445{
388 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 446 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
447 img->alloc ();
389 448
390 Display *dpy = s->display->dpy; 449 Display *dpy = s->display->dpy;
391 XRenderPictureAttributes pa; 450 Picture src = src_picture ();
392 pa.repeat = repeat;
393 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
394 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 451 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
395 452
396 XTransform xfrm; 453 XTransform xfrm;
397 454
398 for (int i = 0; i < 3; ++i) 455 for (int i = 0; i < 3; ++i)
399 for (int j = 0; j < 3; ++j) 456 for (int j = 0; j < 3; ++j)
400 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);
401 461
402 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 462 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
403 XRenderSetPictureTransform (dpy, src, &xfrm); 463 XRenderSetPictureTransform (dpy, src, &xfrm);
404 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);
405 465
… …
420 480
421 return transform (new_width, new_height, matrix); 481 return transform (new_width, new_height, matrix);
422} 482}
423 483
424rxvt_img * 484rxvt_img *
425rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 485rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
426{ 486{
427 double s = sin (phi); 487 double s = sin (phi);
428 double c = cos (phi); 488 double c = cos (phi);
429 489
430 double matrix[9] = { 490 double matrix[9] = {
431 c, -s, -c * x + s * y + x, 491 c, -s, -c * x + s * y + x,
432 s, c, -s * x - c * y + y, 492 s, c, -s * x - c * y + y,
433 0, 0, 1 493 0, 0, 1
434 }; 494 };
435 495
436 return transform (new_width, new_height, matrix, repeat); 496 return transform (new_width, new_height, matrix);
437} 497}
438 498
439rxvt_img * 499rxvt_img *
440rxvt_img::convert_to (XRenderPictFormat *new_format) 500rxvt_img::convert_to (XRenderPictFormat *new_format, const rxvt_color &bg)
441{ 501{
502 if (new_format == format)
503 return clone ();
504
442 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 ();
443 507
444 Display *dpy = s->display->dpy; 508 Display *dpy = s->display->dpy;
445 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 509 Picture src = src_picture ();
446 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;
447 512
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
448 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);
449 526
450 XRenderFreePicture (dpy, src);
451 XRenderFreePicture (dpy, dst); 527 XRenderFreePicture (dpy, src);
528 XRenderFreePicture (dpy, dst);
452 529
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
453 return img; 556 return img2;
454} 557}
455 558
456#endif 559#endif
457 560

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