… | |
… | |
49 | img->ref->ours = false; |
49 | img->ref->ours = false; |
50 | |
50 | |
51 | return img; |
51 | return img; |
52 | } |
52 | } |
53 | |
53 | |
|
|
54 | # if HAVE_PIXBUF |
54 | rxvt_img * |
55 | rxvt_img * |
55 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
56 | rxvt_img::new_from_pixbuf (rxvt_screen *s, GdkPixbuf *pb) |
56 | { |
57 | { |
57 | Display *dpy = s->display->dpy; |
58 | Display *dpy = s->display->dpy; |
58 | |
59 | |
… | |
… | |
166 | |
167 | |
167 | g_object_unref (pb); |
168 | g_object_unref (pb); |
168 | |
169 | |
169 | return img; |
170 | return img; |
170 | } |
171 | } |
|
|
172 | # endif |
171 | |
173 | |
172 | void |
174 | void |
173 | rxvt_img::destroy () |
175 | rxvt_img::destroy () |
174 | { |
176 | { |
175 | if (--ref->cnt) |
177 | if (--ref->cnt) |
… | |
… | |
315 | |
317 | |
316 | return img; |
318 | return img; |
317 | } |
319 | } |
318 | |
320 | |
319 | static Picture |
321 | static Picture |
320 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb) |
322 | create_xrender_mask (Display *dpy, Drawable drawable, Bool argb, Bool component_alpha) |
321 | { |
323 | { |
322 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
324 | Pixmap pixmap = XCreatePixmap (dpy, drawable, 1, 1, argb ? 32 : 8); |
323 | |
325 | |
324 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
326 | XRenderPictFormat *format = XRenderFindStandardFormat (dpy, argb ? PictStandardARGB32 : PictStandardA8); |
325 | XRenderPictureAttributes pa; |
327 | XRenderPictureAttributes pa; |
326 | pa.repeat = True; |
328 | pa.repeat = RepeatNormal; |
|
|
329 | pa.component_alpha = component_alpha; |
327 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat, &pa); |
330 | Picture mask = XRenderCreatePicture (dpy, pixmap, format, CPRepeat | CPComponentAlpha, &pa); |
328 | |
331 | |
329 | XFreePixmap (dpy, pixmap); |
332 | XFreePixmap (dpy, pixmap); |
330 | |
333 | |
331 | return mask; |
334 | return mask; |
332 | } |
335 | } |
… | |
… | |
356 | unshare (); |
359 | unshare (); |
357 | |
360 | |
358 | Display *dpy = s->display->dpy; |
361 | Display *dpy = s->display->dpy; |
359 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
362 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
360 | |
363 | |
|
|
364 | // loop should not be needed for brightness, as only -1..1 makes sense |
361 | while (r | g | b | a) |
365 | //while (r | g | b | a) |
362 | { |
366 | { |
363 | unsigned short xr, xg, xb, xa; |
367 | unsigned short xr, xg, xb, xa; |
364 | XRenderColor mask_c; |
368 | XRenderColor mask_c; |
365 | |
369 | |
366 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
370 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
… | |
… | |
368 | |
372 | |
369 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
373 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
370 | { |
374 | { |
371 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
375 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
372 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
376 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
373 | mask_c.red = -mask_c.red; |
377 | mask_c.red = -mask_c.red; //TODO: verify that doing clamp, assign, and negation does the right thing |
374 | mask_c.green = -mask_c.green; |
378 | mask_c.green = -mask_c.green; |
375 | mask_c.blue = -mask_c.blue; |
379 | mask_c.blue = -mask_c.blue; |
376 | mask_c.alpha = -mask_c.alpha; |
380 | mask_c.alpha = -mask_c.alpha; |
377 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
381 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
378 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
382 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
379 | } |
383 | } |
380 | } |
384 | } |
381 | |
385 | |
382 | |
|
|
383 | XRenderFreePicture (dpy, dst); |
386 | XRenderFreePicture (dpy, dst); |
384 | } |
387 | } |
385 | |
388 | |
386 | void |
389 | void |
387 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
390 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
388 | { |
391 | { |
389 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
392 | if (r < 0 || g < 0 || b < 0 || a < 0) |
|
|
393 | rxvt_fatal ("rxvt_img::contrast does not support negative values.\n"); |
|
|
394 | |
|
|
395 | rxvt_img *img = new rxvt_img (s, format, x, y, w, h, repeat); |
|
|
396 | img->alloc (); |
|
|
397 | |
390 | { |
398 | { |
391 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
399 | rxvt_color empty; |
392 | return; |
400 | empty.set (s, rgba (0, 0, 0, 0)); |
|
|
401 | img->fill (empty); |
393 | } |
402 | } |
394 | |
403 | |
395 | unshare (); |
404 | // premultiply (yeah, these are not exact, sue me or fix it) |
|
|
405 | r = (r * (a >> 8)) >> 8; |
|
|
406 | g = (g * (a >> 8)) >> 8; |
|
|
407 | b = (b * (a >> 8)) >> 8; |
396 | |
408 | |
397 | Display *dpy = s->display->dpy; |
409 | Display *dpy = s->display->dpy; |
398 | Picture src = create_xrender_mask (dpy, pm, True); |
410 | |
|
|
411 | Picture src = src_picture (); |
399 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
412 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
|
|
413 | Picture mul = create_xrender_mask (dpy, pm, True, True); |
400 | |
414 | |
|
|
415 | //TODO: this operator does not yet implement some useful contrast |
|
|
416 | while (r | g | b | a) |
|
|
417 | { |
|
|
418 | unsigned short xr, xg, xb, xa; |
401 | XRenderColor mask_c; |
419 | XRenderColor mask_c; |
402 | mask_c.red = r; |
420 | |
403 | mask_c.green = g; |
421 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
404 | mask_c.blue = b; |
422 | { |
405 | mask_c.alpha = a; |
|
|
406 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
423 | XRenderFillRectangle (dpy, PictOpSrc, mul, &mask_c, 0, 0, 1, 1); |
407 | |
|
|
408 | XRenderComposite (dpy, PictOpMultiply, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
424 | XRenderComposite (dpy, PictOpAdd, src, mul, dst, 0, 0, 0, 0, 0, 0, w, h); |
|
|
425 | } |
|
|
426 | } |
409 | |
427 | |
|
|
428 | XRenderFreePicture (dpy, mul); |
|
|
429 | XRenderFreePicture (dpy, dst); |
410 | XRenderFreePicture (dpy, src); |
430 | XRenderFreePicture (dpy, src); |
411 | XRenderFreePicture (dpy, dst); |
431 | |
|
|
432 | ::swap (img->ref, ref); |
|
|
433 | ::swap (img->pm , pm ); |
|
|
434 | |
|
|
435 | delete img; |
412 | } |
436 | } |
413 | |
437 | |
414 | rxvt_img * |
438 | rxvt_img * |
415 | rxvt_img::clone () |
439 | rxvt_img::clone () |
416 | { |
440 | { |
… | |
… | |
598 | { |
622 | { |
599 | rxvt_img *img2 = clone (); |
623 | rxvt_img *img2 = clone (); |
600 | Display *dpy = s->display->dpy; |
624 | Display *dpy = s->display->dpy; |
601 | Picture src = img->src_picture (); |
625 | Picture src = img->src_picture (); |
602 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
626 | Picture dst = XRenderCreatePicture (dpy, img2->pm, img2->format, 0, 0); |
603 | Picture mask = create_xrender_mask (dpy, img->pm, False); |
627 | Picture mask = create_xrender_mask (dpy, img->pm, False, False); |
604 | |
628 | |
605 | XRenderColor mask_c; |
629 | XRenderColor mask_c; |
606 | |
630 | |
607 | mask_c.alpha = float_to_component (factor); |
631 | mask_c.alpha = float_to_component (factor); |
608 | mask_c.red = |
632 | mask_c.red = |