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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.22 by sf-exg, Tue Jun 5 15:18:23 2012 UTC vs.
Revision 1.46 by root, Thu Jun 7 18:07:42 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);
265
266 XRenderFreePicture (dpy, src);
267 XRenderFreePicture (dpy, dst);
217} 268}
218 269
219void 270void
220rxvt_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)
221{ 272{
222 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 273 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
223 return; 274 return;
224 275
225 Display *dpy = s->display->dpy; 276 Display *dpy = s->display->dpy;
226 Picture src = create_xrender_mask (dpy, pm, True); 277 Picture src = create_xrender_mask (dpy, pm, True);
227 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 278 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
228 279
229 XRenderColor mask_c; 280 XRenderColor mask_c;
230 mask_c.red = float_to_component (r); 281 mask_c.red = r;
231 mask_c.green = float_to_component (g); 282 mask_c.green = g;
232 mask_c.blue = float_to_component (b); 283 mask_c.blue = b;
233 mask_c.alpha = float_to_component (a); 284 mask_c.alpha = a;
234 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); 285 XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1);
235 286
236 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);
237} 291}
238 292
239bool 293bool
240rxvt_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)
241{ 295{
285 339
286 int rowstride = gdk_pixbuf_get_rowstride (pixbuf); 340 int rowstride = gdk_pixbuf_get_rowstride (pixbuf);
287 int channels = gdk_pixbuf_get_n_channels (pixbuf); 341 int channels = gdk_pixbuf_get_n_channels (pixbuf);
288 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;
289 char *line = ximage->data; 343 char *line = ximage->data;
290
291 rgba c (0, 0, 0);
292
293 if (channels == 4 && alpha_mask == 0)
294 {
295 //pix_colors[Color_bg].get (c);
296 //TODO
297 c.r = 0xffff; c.g = 0xc0c0; c.b = 0xcbcb;//D
298 c.r >>= 8;
299 c.g >>= 8;
300 c.b >>= 8;
301 }
302 344
303 for (int y = 0; y < height; y++) 345 for (int y = 0; y < height; y++)
304 { 346 {
305 for (int x = 0; x < width; x++) 347 for (int x = 0; x < width; x++)
306 { 348 {
309 unsigned char r, g, b, a; 351 unsigned char r, g, b, a;
310 352
311 if (channels == 4) 353 if (channels == 4)
312 { 354 {
313 a = pixel[3]; 355 a = pixel[3];
314 r = (pixel[0] * a + c.r * (0xff - a)) / 0xff; 356 r = pixel[0] * a / 0xff;
315 g = (pixel[1] * a + c.g * (0xff - a)) / 0xff; 357 g = pixel[1] * a / 0xff;
316 b = (pixel[2] * a + c.b * (0xff - a)) / 0xff; 358 b = pixel[2] * a / 0xff;
317 } 359 }
318 else 360 else
319 { 361 {
320 a = 0xff; 362 a = 0xff;
321 r = pixel[0]; 363 r = pixel[0];
346} 388}
347 389
348rxvt_img * 390rxvt_img *
349rxvt_img::clone () 391rxvt_img::clone ()
350{ 392{
351 rxvt_img *img = new rxvt_img (s, format, w, h); 393 return new rxvt_img (*this);
352
353 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
354 XCopyArea (s->display->dpy, pm, img->pm, gc, 0, 0, w, h, 0, 0);
355 XFreeGC (s->display->dpy, gc);
356
357 return img;
358} 394}
359 395
360rxvt_img *
361rxvt_img::sub_rect (int x, int y, int width, int height, int repeat)
362{
363 rxvt_img *img = new rxvt_img (s, format, width, height);
364 396
397static XRenderPictFormat *
398find_alpha_format_for (Display *dpy, XRenderPictFormat *format)
399{
400 if (format->direct.alphaMask)
401 return format; // already has alpha
402
403 // try to find a suitable alpha format, one bit alpha is enough for our purposes
404 if (format->type == PictTypeDirect)
405 for (int n = 0; XRenderPictFormat *f = XRenderFindFormat (dpy, 0, 0, n); ++n)
406 if (f->direct.alphaMask
407 && f->type == PictTypeDirect
408 && ecb_popcount32 (f->direct.redMask ) >= ecb_popcount32 (format->direct.redMask )
409 && ecb_popcount32 (f->direct.greenMask) >= ecb_popcount32 (format->direct.greenMask)
410 && ecb_popcount32 (f->direct.blueMask ) >= ecb_popcount32 (format->direct.blueMask ))
411 return f;
412
413 // should be a very good fallback
414 return XRenderFindStandardFormat (dpy, PictStandardARGB32);
415}
416
417rxvt_img *
418rxvt_img::reify ()
419{
420 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
421 return clone ();
422
365 Display *dpy = s->display->dpy; 423 Display *dpy = s->display->dpy;
366 XRenderPictureAttributes pa; 424
367 pa.repeat = repeat; 425 bool alpha = !format->direct.alphaMask
368 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); 426 && (x || y)
427 && repeat == RepeatNone;
428
429 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
430 img->alloc ();
431
432 Picture src = src_picture ();
369 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 433 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
370 434
435 if (alpha)
436 {
437 XRenderColor rc = { 0, 0, 0, 0 };
438 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles
439 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, -x, -y, ref->w, ref->h);
440 }
441 else
371 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, width, height); 442 XRenderComposite (dpy, PictOpSrc, src, None, dst, x, y, 0, 0, 0, 0, w, h);
372 443
373 XRenderFreePicture (dpy, src); 444 XRenderFreePicture (dpy, src);
374 XRenderFreePicture (dpy, dst); 445 XRenderFreePicture (dpy, dst);
375 446
376 return img; 447 return img;
377} 448}
378 449
379rxvt_img * 450rxvt_img *
451rxvt_img::sub_rect (int x, int y, int width, int height)
452{
453 rxvt_img *img = clone ();
454
455 img->x += x;
456 img->y += y;
457
458 if (w != width || h != height)
459 {
460 img->w = width;
461 img->h = height;
462
463 rxvt_img *img2 = img->reify ();
464 delete img;
465 img = img2;
466 }
467
468 return img;
469}
470
471rxvt_img *
380rxvt_img::transform (int new_width, int new_height, double matrix[9], int repeat) 472rxvt_img::transform (int new_width, int new_height, double matrix[9])
381{ 473{
382 rxvt_img *img = new rxvt_img (s, format, new_width, new_height); 474 rxvt_img *img = new rxvt_img (s, format, 0, 0, new_width, new_height, repeat);
475 img->alloc ();
383 476
384 Display *dpy = s->display->dpy; 477 Display *dpy = s->display->dpy;
385 XRenderPictureAttributes pa; 478 Picture src = src_picture ();
386 pa.repeat = repeat;
387 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
388 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0); 479 Picture dst = XRenderCreatePicture (dpy, img->pm, img->format, 0, 0);
389 480
390 XTransform xfrm; 481 XTransform xfrm;
391 482
392 for (int i = 0; i < 3; ++i) 483 for (int i = 0; i < 3; ++i)
393 for (int j = 0; j < 3; ++j) 484 for (int j = 0; j < 3; ++j)
394 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 485 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
395 486
487#if 0
488 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
489 xfrm.matrix [1][2] -= XDoubleToFixed (y);
490#endif
491
396 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 492 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
397 XRenderSetPictureTransform (dpy, src, &xfrm); 493 XRenderSetPictureTransform (dpy, src, &xfrm);
398 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 494 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
399 495
400 XRenderFreePicture (dpy, src); 496 XRenderFreePicture (dpy, src);
404} 500}
405 501
406rxvt_img * 502rxvt_img *
407rxvt_img::scale (int new_width, int new_height) 503rxvt_img::scale (int new_width, int new_height)
408{ 504{
505 if (w == new_width && h == new_height)
506 return clone ();
507
409 double matrix[9] = { 508 double matrix[9] = {
410 w / (double)new_width, 0, 0, 509 w / (double)new_width, 0, 0,
411 0, h / (double)new_height, 0, 510 0, h / (double)new_height, 0,
412 0, 0, 1 511 0, 0, 1
413 }; 512 };
414 513
514 int old_repeat_mode = repeat;
515 repeat = RepeatPad; // not right, but xrender can't proeprly scale it seems
516
415 return transform (new_width, new_height, matrix); 517 rxvt_img *img = transform (new_width, new_height, matrix);
416}
417 518
519 repeat = old_repeat_mode;
520 img->repeat = repeat;
521
522 return img;
523}
524
418rxvt_img * 525rxvt_img *
419rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi, int repeat) 526rxvt_img::rotate (int new_width, int new_height, int x, int y, double phi)
420{ 527{
421 double s = sin (phi); 528 double s = sin (phi);
422 double c = cos (phi); 529 double c = cos (phi);
423 530
424 double matrix[9] = { 531 double matrix[9] = {
425 c, -s, -c * x + s * y + x, 532 c, -s, -c * x + s * y + x,
426 s, c, -s * x - c * y + y, 533 s, c, -s * x - c * y + y,
427 0, 0, 1 534 0, 0, 1
428 }; 535 };
429 536
430 return transform (new_width, new_height, matrix, repeat); 537 return transform (new_width, new_height, matrix);
431} 538}
432 539
433rxvt_img * 540rxvt_img *
434rxvt_img::convert_to (XRenderPictFormat *new_format) 541rxvt_img::convert_format (XRenderPictFormat *new_format, const rxvt_color &bg)
435{ 542{
543 if (new_format == format)
544 return clone ();
545
436 rxvt_img *img = new rxvt_img (s, new_format, w, h); 546 rxvt_img *img = new rxvt_img (s, new_format, x, y, w, h, repeat);
547 img->alloc ();
437 548
438 Display *dpy = s->display->dpy; 549 Display *dpy = s->display->dpy;
439 Picture src = XRenderCreatePicture (dpy, pm, format, 0, 0); 550 Picture src = src_picture ();
440 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0); 551 Picture dst = XRenderCreatePicture (dpy, img->pm, new_format, 0, 0);
552 int op = PictOpSrc;
441 553
554 if (format->direct.alphaMask && !new_format->direct.alphaMask)
555 {
556 // does it have to be that complicated
557 rgba c;
558 bg.get (c);
559
560 XRenderColor rc = { c.r, c.g, c.b, 0xffff };
561 XRenderFillRectangle (dpy, PictOpSrc, dst, &rc, 0, 0, w, h);
562
563 op = PictOpOver;
564 }
565
442 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); 566 XRenderComposite (dpy, op, src, None, dst, 0, 0, 0, 0, 0, 0, w, h);
443 567
444 XRenderFreePicture (dpy, src); 568 XRenderFreePicture (dpy, src);
445 XRenderFreePicture (dpy, dst); 569 XRenderFreePicture (dpy, dst);
446 570
447 return img; 571 return img;
448} 572}
449 573
574rxvt_img *
575rxvt_img::blend (rxvt_img *img, double factor)
576{
577 rxvt_img *img2 = clone ();
578 Display *dpy = s->display->dpy;
579 Picture src = img->src_picture ();
580 Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0);
581 Picture mask = create_xrender_mask (dpy, img->pm, False);
582
583 XRenderColor mask_c;
584
585 mask_c.alpha = float_to_component (factor);
586 mask_c.red =
587 mask_c.green =
588 mask_c.blue = 0;
589 XRenderFillRectangle (dpy, PictOpSrc, mask, &mask_c, 0, 0, 1, 1);
590
591 XRenderComposite (dpy, PictOpOver, src, mask, dst, 0, 0, 0, 0, 0, 0, w, h);
592
593 XRenderFreePicture (dpy, src);
594 XRenderFreePicture (dpy, dst);
595 XRenderFreePicture (dpy, mask);
596
597 return img2;
598}
599
450#endif 600#endif
451 601

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