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/cvs/rxvt-unicode/src/rxvtimg.C
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Comparing rxvt-unicode/src/rxvtimg.C (file contents):
Revision 1.56 by root, Thu Jun 7 20:31:26 2012 UTC vs.
Revision 1.66 by root, Fri Jun 8 21:48:07 2012 UTC

… …
13rxvt_img::rxvt_img (const rxvt_img &img) 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) 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{ 15{
16 ++ref->cnt; 16 ++ref->cnt;
17} 17}
18
19#if 0
20rxvt_img::rxvt_img (rxvt_screen *screen, XRenderPictFormat *format, int width, int height, Pixmap pixmap)
21: s(screen), x(0), y(0), w(width), h(height), format(format), repeat(RepeatNormal), shared(false), pm(pixmap)
22{
23}
24#endif
25 18
26rxvt_img * 19rxvt_img *
27rxvt_img::new_from_root (rxvt_screen *s) 20rxvt_img::new_from_root (rxvt_screen *s)
28{ 21{
29 Display *dpy = s->display->dpy; 22 Display *dpy = s->display->dpy;
… …
131 else 124 else
132 for (int x = 0; x < width; x++) 125 for (int x = 0; x < width; x++)
133 { 126 {
134 uint32_t v = *(uint32_t *)src; src += 4; 127 uint32_t v = *(uint32_t *)src; src += 4;
135 128
136 if (ecb_little_endian ()) 129 if (ecb_big_endian ())
137 v = ecb_bswap32 (v); 130 v = ecb_bswap32 (v);
138 131
139 v = ecb_rotr32 (v, 8); 132 v = ecb_rotl32 (v, 8); // abgr to bgra
140 133
141 if (byte_order_mismatch) 134 if (!byte_order_mismatch)
142 v = ecb_bswap32 (v); 135 v = ecb_bswap32 (v);
143 136
144 *dst++ = v; 137 *dst++ = v;
145 } 138 }
146 139
… …
216rxvt_img::unshare () 209rxvt_img::unshare ()
217{ 210{
218 if (ref->cnt == 1 && ref->ours) 211 if (ref->cnt == 1 && ref->ours)
219 return; 212 return;
220 213
221 //TODO: maybe should reify instead
222 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth); 214 Pixmap pm2 = XCreatePixmap (s->display->dpy, s->display->root, ref->w, ref->h, format->depth);
223 GC gc = XCreateGC (s->display->dpy, pm, 0, 0); 215 GC gc = XCreateGC (s->display->dpy, pm, 0, 0);
224 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0); 216 XCopyArea (s->display->dpy, pm, pm2, gc, 0, 0, ref->w, ref->h, 0, 0);
225 XFreeGC (s->display->dpy, gc); 217 XFreeGC (s->display->dpy, gc);
226 218
… …
272 double *kernel = (double *)malloc (size * sizeof (double)); 264 double *kernel = (double *)malloc (size * sizeof (double));
273 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); 265 XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed));
274 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); 266 rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat);
275 img->alloc (); 267 img->alloc ();
276 268
277 Picture src = src_picture ();
278
279 XRenderPictureAttributes pa; 269 XRenderPictureAttributes pa;
280 pa.repeat = RepeatPad; 270 pa.repeat = RepeatPad;
281 Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); 271 Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa);
272 Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0);
282 273
283 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); 274 Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth);
284 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); 275 Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa);
285 XFreePixmap (dpy, tmp_pm); 276 XFreePixmap (dpy, tmp_pm);
286 277
… …
302 293
303 size = rv * 2 + 1; 294 size = rv * 2 + 1;
304 get_gaussian_kernel (rv, size, kernel, params); 295 get_gaussian_kernel (rv, size, kernel, params);
305 ::swap (params[0], params[1]); 296 ::swap (params[0], params[1]);
306 297
307 XRenderSetPictureFilter (dpy, src, FilterConvolution, params, size+2); 298 XRenderSetPictureFilter (dpy, tmp, FilterConvolution, params, size+2);
308 XRenderComposite (dpy, 299 XRenderComposite (dpy,
309 PictOpSrc, 300 PictOpSrc,
310 tmp, 301 tmp,
311 None, 302 None,
312 dst, 303 dst,
… …
339 330
340 return mask; 331 return mask;
341} 332}
342 333
343void 334void
344rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) 335rxvt_img::brightness (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
345{ 336{
346 Display *dpy = s->display->dpy; 337 Display *dpy = s->display->dpy;
347 Picture src = create_xrender_mask (dpy, pm, True); 338 Picture src = create_xrender_mask (dpy, pm, True);
348 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 339 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
349 340
… …
359 XRenderFreePicture (dpy, src); 350 XRenderFreePicture (dpy, src);
360 XRenderFreePicture (dpy, dst); 351 XRenderFreePicture (dpy, dst);
361} 352}
362 353
363void 354void
364rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) 355rxvt_img::contrast (uint16_t r, uint16_t g, uint16_t b, uint16_t a)
365{ 356{
366 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) 357 if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL))
358 {
359 rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n");
367 return; 360 return;
361 }
368 362
369 Display *dpy = s->display->dpy; 363 Display *dpy = s->display->dpy;
370 Picture src = create_xrender_mask (dpy, pm, True); 364 Picture src = create_xrender_mask (dpy, pm, True);
371 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); 365 Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0);
372 366
… …
415 if (x == 0 && y == 0 && w == ref->w && h == ref->h) 409 if (x == 0 && y == 0 && w == ref->w && h == ref->h)
416 return clone (); 410 return clone ();
417 411
418 Display *dpy = s->display->dpy; 412 Display *dpy = s->display->dpy;
419 413
414 // add an alpha channel if...
420 bool alpha = !format->direct.alphaMask 415 bool alpha = !format->direct.alphaMask // pixmap has none yet
421 && (x || y) 416 && (x || y) // we need one because of non-zero offset
422 && repeat == RepeatNone; 417 && repeat == RepeatNone; // and we have no good pixels to fill with
423 418
424 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); 419 rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat);
425 img->alloc (); 420 img->alloc ();
426 421
427 Picture src = src_picture (); 422 Picture src = src_picture ();
… …
477 472
478 for (int i = 0; i < 3; ++i) 473 for (int i = 0; i < 3; ++i)
479 for (int j = 0; j < 3; ++j) 474 for (int j = 0; j < 3; ++j)
480 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); 475 xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]);
481 476
482#if 0
483 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO 477 xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO
484 xfrm.matrix [1][2] -= XDoubleToFixed (y); 478 xfrm.matrix [1][2] -= XDoubleToFixed (y);
485#endif
486 479
487 XRenderSetPictureFilter (dpy, src, "good", 0, 0); 480 XRenderSetPictureFilter (dpy, src, "good", 0, 0);
488 XRenderSetPictureTransform (dpy, src, &xfrm); 481 XRenderSetPictureTransform (dpy, src, &xfrm);
489 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); 482 XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height);
490 483

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