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| author | Kim Woelders <kim@woelders.dk> | 2021-12-23 08:39:26 +0100 |
|---|---|---|
| committer | Kim Woelders <kim@woelders.dk> | 2021-12-26 12:22:20 +0100 |
| commit | 8bc72491e88f0560c59d049409a0b2b25b63c917 (patch) | |
| tree | f49e30a08175c89d467ff12be3a3742c2a33e0de | |
| parent | cbe7408bd85a2e02bd2b67c52f276e3fb90d56e3 (diff) | |
| download | imlib2-8bc72491e88f0560c59d049409a0b2b25b63c917.tar.gz | |
ICO loader: Minor optimization
Or maybe not. A decent compiler would probably do this anyway.
| -rw-r--r-- | src/modules/loaders/loader_ico.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/src/modules/loaders/loader_ico.c b/src/modules/loaders/loader_ico.c index 0cc1b82..16013a1 100644 --- a/src/modules/loaders/loader_ico.c +++ b/src/modules/loaders/loader_ico.c @@ -363,62 +363,57 @@ ico_load(ico_t * ico, ImlibImage * im, int load_data) pxls = ie->pxls; mask = ie->mask; + pdst = im->data + (h - 1) * w; /* Start in lower left corner */ + switch (ie->bih.bpp) { case 1: - for (y = 0; y < h; y++) + for (y = 0; y < h; y++, pdst -= 2 * w) { for (x = 0; x < w; x++) { - pdst = &(im->data[(h - 1 - y) * w + x]); - pixel = cmap[ico_data_get_bit(pxls, w, x, y)]; if (ico_data_get_bit(mask, w, x, y) == 0) pixel |= 0xff000000; - *pdst = pixel; + *pdst++ = pixel; } } break; case 4: - for (y = 0; y < h; y++) + for (y = 0; y < h; y++, pdst -= 2 * w) { for (x = 0; x < w; x++) { - pdst = &(im->data[(h - 1 - y) * w + x]); - pixel = cmap[ico_data_get_nibble(pxls, w, x, y)]; if (ico_data_get_bit(mask, w, x, y) == 0) pixel |= 0xff000000; - *pdst = pixel; + *pdst++ = pixel; } } break; case 8: - for (y = 0; y < h; y++) + for (y = 0; y < h; y++, pdst -= 2 * w) { for (x = 0; x < w; x++) { - pdst = &(im->data[(h - 1 - y) * w + x]); - pixel = cmap[pxls[y * w + x]]; if (ico_data_get_bit(mask, w, x, y) == 0) pixel |= 0xff000000; - *pdst = pixel; + *pdst++ = pixel; } } break; default: - for (y = 0; y < h; y++) + for (y = 0; y < h; y++, pdst -= 2 * w) { for (x = 0; x < w; x++) { - pdst = &(im->data[(h - 1 - y) * w + x]); psrc = &pxls[(y * w + x) * ie->bih.bpp / 8]; pixel = PIXEL_ARGB(0, psrc[2], psrc[1], psrc[0]); @@ -427,7 +422,7 @@ ico_load(ico_t * ico, ImlibImage * im, int load_data) else if (ico_data_get_bit(mask, w, x, y) == 0) pixel |= 0xff000000; - *pdst = pixel; + *pdst++ = pixel; } } break; |