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209 | rxvt_img::unshare () |
209 | rxvt_img::unshare () |
210 | { |
210 | { |
211 | if (ref->cnt == 1 && ref->ours) |
211 | if (ref->cnt == 1 && ref->ours) |
212 | return; |
212 | return; |
213 | |
213 | |
214 | //TODO: maybe should reify instead |
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215 | 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); |
216 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
215 | GC gc = XCreateGC (s->display->dpy, pm, 0, 0); |
217 | 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); |
218 | XFreeGC (s->display->dpy, gc); |
217 | XFreeGC (s->display->dpy, gc); |
219 | |
218 | |
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265 | double *kernel = (double *)malloc (size * sizeof (double)); |
264 | double *kernel = (double *)malloc (size * sizeof (double)); |
266 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
265 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
267 | 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); |
268 | img->alloc (); |
267 | img->alloc (); |
269 | |
268 | |
270 | Picture src = src_picture (); |
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271 | |
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272 | XRenderPictureAttributes pa; |
269 | XRenderPictureAttributes pa; |
273 | pa.repeat = RepeatPad; |
270 | pa.repeat = RepeatPad; |
274 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, CPRepeat, &pa); |
271 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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272 | Picture dst = XRenderCreatePicture (dpy, img->pm, format, 0, 0); |
275 | |
273 | |
276 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
274 | Pixmap tmp_pm = XCreatePixmap (dpy, pm, w, h, format->depth); |
277 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
275 | Picture tmp = XRenderCreatePicture (dpy, tmp_pm , format, CPRepeat, &pa); |
278 | XFreePixmap (dpy, tmp_pm); |
276 | XFreePixmap (dpy, tmp_pm); |
279 | |
277 | |
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331 | XFreePixmap (dpy, pixmap); |
329 | XFreePixmap (dpy, pixmap); |
332 | |
330 | |
333 | return mask; |
331 | return mask; |
334 | } |
332 | } |
335 | |
333 | |
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334 | static void |
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335 | extract (int32_t cl0, int32_t cl1, int32_t &c, unsigned short &xc) |
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336 | { |
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337 | int32_t x = clamp (c, cl0, cl1); |
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338 | c -= x; |
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339 | xc = x; |
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340 | } |
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341 | |
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342 | static bool |
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343 | extract (int32_t cl0, int32_t cl1, int32_t &r, int32_t &g, int32_t &b, int32_t &a, unsigned short &xr, unsigned short &xg, unsigned short &xb, unsigned short &xa) |
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344 | { |
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345 | extract (cl0, cl1, r, xr); |
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346 | extract (cl0, cl1, g, xg); |
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347 | extract (cl0, cl1, b, xb); |
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348 | extract (cl0, cl1, a, xa); |
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349 | |
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350 | return xr | xg | xb | xa; |
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351 | } |
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352 | |
336 | void |
353 | void |
337 | rxvt_img::brightness (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
354 | rxvt_img::brightness (int32_t r, int32_t g, int32_t b, int32_t a) |
338 | { |
355 | { |
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356 | unshare (); |
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357 | |
339 | Display *dpy = s->display->dpy; |
358 | Display *dpy = s->display->dpy; |
340 | Picture src = create_xrender_mask (dpy, pm, True); |
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341 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
359 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
342 | |
360 | |
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361 | while (r | g | b | a) |
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362 | { |
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363 | unsigned short xr, xg, xb, xa; |
343 | XRenderColor mask_c; |
364 | XRenderColor mask_c; |
344 | mask_c.red = r; |
365 | |
345 | mask_c.green = g; |
366 | if (extract (0, 65535, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
346 | mask_c.blue = b; |
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347 | mask_c.alpha = a; |
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348 | XRenderFillRectangle (dpy, PictOpSrc, src, &mask_c, 0, 0, 1, 1); |
367 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
349 | |
368 | |
350 | XRenderComposite (dpy, PictOpAdd, src, None, dst, 0, 0, 0, 0, 0, 0, w, h); |
369 | if (extract (-65535, 0, r, g, b, a, mask_c.red, mask_c.green, mask_c.blue, mask_c.alpha)) |
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370 | { |
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371 | XRenderColor mask_w = { 65535, 65535, 65535, 65535 }; |
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372 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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373 | mask_c.red = -mask_c.red; |
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374 | mask_c.green = -mask_c.green; |
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375 | mask_c.blue = -mask_c.blue; |
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376 | mask_c.alpha = -mask_c.alpha; |
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377 | XRenderFillRectangle (dpy, PictOpAdd, dst, &mask_c, 0, 0, w, h); |
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378 | XRenderFillRectangle (dpy, PictOpDifference, dst, &mask_w, 0, 0, w, h); |
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379 | } |
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380 | } |
351 | |
381 | |
352 | XRenderFreePicture (dpy, src); |
382 | |
353 | XRenderFreePicture (dpy, dst); |
383 | XRenderFreePicture (dpy, dst); |
354 | } |
384 | } |
355 | |
385 | |
356 | void |
386 | void |
357 | rxvt_img::contrast (unsigned short r, unsigned short g, unsigned short b, unsigned short a) |
387 | rxvt_img::contrast (int32_t r, int32_t g, int32_t b, int32_t a) |
358 | { |
388 | { |
359 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
389 | if (!(s->display->flags & DISPLAY_HAS_RENDER_MUL)) |
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390 | { |
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391 | rxvt_warn ("rxvt_img::contrast operation not supported on this display, RENDER extension too old.\n"); |
360 | return; |
392 | return; |
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393 | } |
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394 | |
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395 | unshare (); |
361 | |
396 | |
362 | Display *dpy = s->display->dpy; |
397 | Display *dpy = s->display->dpy; |
363 | Picture src = create_xrender_mask (dpy, pm, True); |
398 | Picture src = create_xrender_mask (dpy, pm, True); |
364 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
399 | Picture dst = XRenderCreatePicture (dpy, pm, format, 0, 0); |
365 | |
400 | |
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408 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
443 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
409 | return clone (); |
444 | return clone (); |
410 | |
445 | |
411 | Display *dpy = s->display->dpy; |
446 | Display *dpy = s->display->dpy; |
412 | |
447 | |
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448 | // add an alpha channel if... |
413 | bool alpha = !format->direct.alphaMask |
449 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
414 | && (x || y) |
450 | && (x || y) // we need one because of non-zero offset |
415 | && repeat == RepeatNone; |
451 | && repeat == RepeatNone; // and we have no good pixels to fill with |
416 | |
452 | |
417 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
453 | rxvt_img *img = new rxvt_img (s, alpha ? find_alpha_format_for (dpy, format) : format, 0, 0, w, h, repeat); |
418 | img->alloc (); |
454 | img->alloc (); |
419 | |
455 | |
420 | Picture src = src_picture (); |
456 | Picture src = src_picture (); |
… | |
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470 | |
506 | |
471 | for (int i = 0; i < 3; ++i) |
507 | for (int i = 0; i < 3; ++i) |
472 | for (int j = 0; j < 3; ++j) |
508 | for (int j = 0; j < 3; ++j) |
473 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
509 | xfrm.matrix [i][j] = XDoubleToFixed (matrix [i * 3 + j]); |
474 | |
510 | |
475 | #if 0 |
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476 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
511 | xfrm.matrix [0][2] -= XDoubleToFixed (x);//TODO |
477 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
512 | xfrm.matrix [1][2] -= XDoubleToFixed (y); |
478 | #endif |
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479 | |
513 | |
480 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
514 | XRenderSetPictureFilter (dpy, src, "good", 0, 0); |
481 | XRenderSetPictureTransform (dpy, src, &xfrm); |
515 | XRenderSetPictureTransform (dpy, src, &xfrm); |
482 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
516 | XRenderComposite (dpy, PictOpSrc, src, None, dst, 0, 0, 0, 0, 0, 0, new_width, new_height); |
483 | |
517 | |