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6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
6 | * Copyright (c) 2012 Marc Lehmann <schmorp@schmorp.de> |
7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
7 | * Copyright (c) 2012 Emanuele Giaquinta <e.giaquinta@glauco.it> |
8 | * |
8 | * |
9 | * This program is free software; you can redistribute it and/or modify |
9 | * This program is free software; you can redistribute it and/or modify |
10 | * it under the terms of the GNU General Public License as published by |
10 | * it under the terms of the GNU General Public License as published by |
11 | * the Free Software Foundation; either version 2 of the License, or |
11 | * the Free Software Foundation; either version 3 of the License, or |
12 | * (at your option) any later version. |
12 | * (at your option) any later version. |
13 | * |
13 | * |
14 | * This program is distributed in the hope that it will be useful, |
14 | * This program is distributed in the hope that it will be useful, |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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188 | } |
188 | } |
189 | |
189 | |
190 | // CreateSolidFill creates a very very very weird picture |
190 | // CreateSolidFill creates a very very very weird picture |
191 | void mask (const rgba &c) |
191 | void mask (const rgba &c) |
192 | { |
192 | { |
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193 | // the casts are needed in C++11 (see 8.5.1) |
193 | XRenderColor rc = { |
194 | XRenderColor rc = { |
194 | c.r * c.a / 65535, |
195 | (unsigned short)(c.r * c.a / 65535), |
195 | c.g * c.a / 65535, |
196 | (unsigned short)(c.g * c.a / 65535), |
196 | c.b * c.a / 65535, |
197 | (unsigned short)(c.b * c.a / 65535), |
197 | c.a |
198 | c.a |
198 | }; |
199 | }; |
199 | msk = XRenderCreateSolidFill (dpy, &rc); |
200 | msk = XRenderCreateSolidFill (dpy, &rc); |
200 | ecb_assume (msk); |
201 | ecb_assume (msk); |
201 | } |
202 | } |
202 | |
203 | |
203 | void fill (const rgba &c) |
204 | void fill (const rgba &c) |
204 | { |
205 | { |
205 | XRenderColor rc = { |
206 | XRenderColor rc = { |
206 | c.r * c.a / 65535, |
207 | (unsigned short)(c.r * c.a / 65535), |
207 | c.g * c.a / 65535, |
208 | (unsigned short)(c.g * c.a / 65535), |
208 | c.b * c.a / 65535, |
209 | (unsigned short)(c.b * c.a / 65535), |
209 | c.a |
210 | c.a |
210 | }; |
211 | }; |
211 | |
212 | |
212 | XRenderFillRectangle (dpy, PictOpSrc, msk, &rc, 0, 0, 1, 1); |
213 | XRenderFillRectangle (dpy, PictOpSrc, msk, &rc, 0, 0, 1, 1); |
213 | } |
214 | } |
214 | |
215 | |
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349 | for (int y = 0; y < height; y++) |
350 | for (int y = 0; y < height; y++) |
350 | { |
351 | { |
351 | unsigned char *src = row; |
352 | unsigned char *src = row; |
352 | uint32_t *dst = (uint32_t *)line; |
353 | uint32_t *dst = (uint32_t *)line; |
353 | |
354 | |
354 | if (!pb_has_alpha) |
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355 | for (int x = 0; x < width; x++) |
355 | for (int x = 0; x < width; x++) |
356 | { |
356 | { |
357 | uint8_t r = *src++; |
357 | uint8_t r = *src++; |
358 | uint8_t g = *src++; |
358 | uint8_t g = *src++; |
359 | uint8_t b = *src++; |
359 | uint8_t b = *src++; |
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|
360 | uint8_t a = *src; |
360 | |
361 | |
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|
362 | // this is done so it can be jump-free, but newer gcc's clone inner the loop |
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|
363 | a = pb_has_alpha ? a : 255; |
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|
364 | src += pb_has_alpha; |
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|
365 | |
|
|
366 | r = (r * a + 127) / 255; |
|
|
367 | g = (g * a + 127) / 255; |
|
|
368 | b = (b * a + 127) / 255; |
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|
369 | |
361 | uint32_t v = (255 << 24) | (r << 16) | (g << 8) | b; |
370 | uint32_t v = (a << 24) | (r << 16) | (g << 8) | b; |
362 | |
371 | |
363 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
372 | if (ecb_big_endian () ? !byte_order_mismatch : byte_order_mismatch) |
364 | v = ecb_bswap32 (v); |
373 | v = ecb_bswap32 (v); |
365 | |
374 | |
366 | *dst++ = v; |
375 | *dst++ = v; |
367 | } |
376 | } |
368 | else |
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|
369 | for (int x = 0; x < width; x++) |
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370 | { |
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|
371 | uint32_t v = *(uint32_t *)src; src += 4; |
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372 | |
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|
373 | if (ecb_big_endian ()) |
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374 | v = ecb_bswap32 (v); |
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375 | |
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|
376 | v = ecb_rotl32 (v, 8); // abgr to bgra |
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377 | |
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378 | if (!byte_order_mismatch) |
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|
379 | v = ecb_bswap32 (v); |
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380 | |
|
|
381 | *dst++ = v; |
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|
382 | } |
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|
383 | |
377 | |
384 | row += rowstride; |
378 | row += rowstride; |
385 | line += xi.bytes_per_line; |
379 | line += xi.bytes_per_line; |
386 | } |
380 | } |
387 | |
381 | |
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540 | return clone (); |
534 | return clone (); |
541 | |
535 | |
542 | Display *dpy = s->dpy; |
536 | Display *dpy = s->dpy; |
543 | int size = max (rh, rv) * 2 + 1; |
537 | int size = max (rh, rv) * 2 + 1; |
544 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
538 | nv *kernel = (nv *)malloc (size * sizeof (nv)); |
545 | XFixed *params = (XFixed *)malloc ((size + 2) * sizeof (XFixed)); |
539 | XFixed *params = rxvt_temp_buf<XFixed> (size + 2); |
546 | rxvt_img *img = new_empty (); |
540 | rxvt_img *img = new_empty (); |
547 | |
541 | |
548 | XRenderPictureAttributes pa; |
542 | XRenderPictureAttributes pa; |
549 | pa.repeat = RepeatPad; |
543 | pa.repeat = RepeatPad; |
550 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
544 | Picture src = XRenderCreatePicture (dpy, pm, format, CPRepeat, &pa); |
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585 | 0, 0, |
579 | 0, 0, |
586 | w, h); |
580 | w, h); |
587 | } |
581 | } |
588 | |
582 | |
589 | free (kernel); |
583 | free (kernel); |
590 | free (params); |
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|
591 | |
584 | |
592 | XRenderFreePicture (dpy, src); |
585 | XRenderFreePicture (dpy, src); |
593 | XRenderFreePicture (dpy, dst); |
586 | XRenderFreePicture (dpy, dst); |
594 | XRenderFreePicture (dpy, tmp); |
587 | XRenderFreePicture (dpy, tmp); |
595 | |
588 | |
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604 | composer cc (this, new rxvt_img (s, format, 0, 0, w * 2, h, repeat)); |
597 | composer cc (this, new rxvt_img (s, format, 0, 0, w * 2, h, repeat)); |
605 | |
598 | |
606 | // why the hell does XRenderSetPictureTransform want a writable matrix :( |
599 | // why the hell does XRenderSetPictureTransform want a writable matrix :( |
607 | // that keeps us from just static const'ing this matrix. |
600 | // that keeps us from just static const'ing this matrix. |
608 | XTransform h_double = { |
601 | XTransform h_double = { |
609 | 32768, 0, 0, |
602 | 0x08000, 0, 0, |
610 | 0, 65536, 0, |
603 | 0, 0x10000, 0, |
611 | 0, 0, 65536 |
604 | 0, 0, 0x10000 |
612 | }; |
605 | }; |
613 | |
606 | |
614 | XRenderSetPictureFilter (cc.dpy, cc.src, "nearest", 0, 0); |
607 | XRenderSetPictureFilter (cc.dpy, cc.src, "nearest", 0, 0); |
615 | XRenderSetPictureTransform (cc.dpy, cc.src, &h_double); |
608 | XRenderSetPictureTransform (cc.dpy, cc.src, &h_double); |
616 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
609 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, 0, 0, w * 2, h); |
… | |
… | |
638 | XDoubleToFixed (3), XDoubleToFixed (1), |
631 | XDoubleToFixed (3), XDoubleToFixed (1), |
639 | XDoubleToFixed (0), XDoubleToFixed (mul), XDoubleToFixed (add) |
632 | XDoubleToFixed (0), XDoubleToFixed (mul), XDoubleToFixed (add) |
640 | }; |
633 | }; |
641 | |
634 | |
642 | XTransform h_halve = { |
635 | XTransform h_halve = { |
643 | 131072, 0, 0, |
636 | 0x20000, 0, 0, |
644 | 0, 65536, 0, |
637 | 0, 0x10000, 0, |
645 | 0, 0, 65536 |
638 | 0, 0, 0x10000 |
646 | }; |
639 | }; |
647 | |
640 | |
648 | XRenderSetPictureFilter (cc.dpy, cc2.src, "nearest", 0, 0); |
641 | XRenderSetPictureFilter (cc.dpy, cc2.src, "nearest", 0, 0); |
649 | XRenderSetPictureTransform (cc.dpy, cc2.src, &h_halve); |
642 | XRenderSetPictureTransform (cc.dpy, cc2.src, &h_halve); |
650 | XRenderSetPictureFilter (cc.dpy, cc2.src, FilterConvolution, kernel, ecb_array_length (kernel)); |
643 | XRenderSetPictureFilter (cc.dpy, cc2.src, FilterConvolution, kernel, ecb_array_length (kernel)); |
… | |
… | |
765 | rxvt_img::reify () |
758 | rxvt_img::reify () |
766 | { |
759 | { |
767 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
760 | if (x == 0 && y == 0 && w == ref->w && h == ref->h) |
768 | return clone (); |
761 | return clone (); |
769 | |
762 | |
770 | Display *dpy = s->dpy; |
|
|
771 | |
|
|
772 | // add an alpha channel if... |
763 | // add an alpha channel if... |
773 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
764 | bool alpha = !format->direct.alphaMask // pixmap has none yet |
774 | && (x || y) // we need one because of non-zero offset |
765 | && (x || y) // we need one because of non-zero offset |
775 | && repeat == RepeatNone; // and we have no good pixels to fill with |
766 | && repeat == RepeatNone; // and we have no good pixels to fill with |
776 | |
767 | |
777 | composer cc (this, new rxvt_img (s, alpha ? find_alpha_format_for (s->dpy, format) : format, |
768 | composer cc (this, new rxvt_img (s, alpha ? find_alpha_format_for (s->dpy, format) : format, |
778 | 0, 0, w, h, repeat)); |
769 | 0, 0, w, h, repeat)); |
779 | |
770 | |
780 | if (alpha) |
771 | if (repeat == RepeatNone) |
781 | { |
772 | { |
782 | XRenderColor rc = { 0, 0, 0, 0 }; |
773 | XRenderColor rc = { 0, 0, 0, 0 }; |
783 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
774 | XRenderFillRectangle (cc.dpy, PictOpSrc, cc.dst, &rc, 0, 0, w, h);//TODO: split into four fillrectangles |
784 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
775 | XRenderComposite (cc.dpy, PictOpSrc, cc.src, None, cc.dst, 0, 0, 0, 0, x, y, ref->w, ref->h); |
785 | } |
776 | } |
… | |
… | |
924 | |
915 | |
925 | return cc; |
916 | return cc; |
926 | } |
917 | } |
927 | |
918 | |
928 | rxvt_img * |
919 | rxvt_img * |
|
|
920 | rxvt_img::shade (nv factor, rgba c) |
|
|
921 | { |
|
|
922 | clamp_it (factor, -1., 1.); |
|
|
923 | factor++; |
|
|
924 | |
|
|
925 | if (factor > 1) |
|
|
926 | { |
|
|
927 | c.r = c.r * (2 - factor); |
|
|
928 | c.g = c.g * (2 - factor); |
|
|
929 | c.b = c.b * (2 - factor); |
|
|
930 | } |
|
|
931 | else |
|
|
932 | { |
|
|
933 | c.r = c.r * factor; |
|
|
934 | c.g = c.g * factor; |
|
|
935 | c.b = c.b * factor; |
|
|
936 | } |
|
|
937 | |
|
|
938 | rxvt_img *img = this->tint (c); |
|
|
939 | |
|
|
940 | if (factor > 1) |
|
|
941 | { |
|
|
942 | c.a = 0xffff; |
|
|
943 | c.r = |
|
|
944 | c.g = |
|
|
945 | c.b = 0xffff * (factor - 1); |
|
|
946 | |
|
|
947 | img->brightness (c.r, c.g, c.b, c.a); |
|
|
948 | } |
|
|
949 | |
|
|
950 | return img; |
|
|
951 | } |
|
|
952 | |
|
|
953 | rxvt_img * |
929 | rxvt_img::filter (const char *name, int nparams, nv *params) |
954 | rxvt_img::filter (const char *name, int nparams, nv *params) |
930 | { |
955 | { |
931 | composer cc (this); |
956 | composer cc (this); |
932 | |
957 | |
933 | XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |
958 | XFixed *xparams = rxvt_temp_buf<XFixed> (nparams); |