Mercurial > hg > forks > libbpg
changeset 12:9b00d4206f99
Implement support for one type of grayscale TIFF.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Thu, 08 Dec 2016 22:41:01 +0200 |
| parents | e70eb0e6acd5 |
| children | df9f2fee4285 |
| files | bpgenc.c |
| diffstat | 1 files changed, 36 insertions(+), 0 deletions(-) [+] |
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--- a/bpgenc.c Thu Dec 08 21:40:44 2016 +0200 +++ b/bpgenc.c Thu Dec 08 22:41:01 2016 +0200 @@ -984,6 +984,13 @@ // Check basics switch (img_pmetric) { + case PHOTOMETRIC_MINISBLACK: + img_format = BPG_FORMAT_GRAY; + color_space = BPG_CS_YCbCr; + if (img_spp != 1) + err_spp = 1; + break; + case PHOTOMETRIC_RGB: img_format = BPG_FORMAT_444; if (img_spp < 3) @@ -1108,6 +1115,35 @@ } } break; + + case PHOTOMETRIC_MINISBLACK: + if (img_depth == 16) + { + luma16_to_gray(&cvt, + (PIXEL *)(img->data[0] + y * img->linesize[0]), + (uint16_t *) buf, img->w, img_spp); + + if (img_alpha) + { + gray16_to_gray(&cvt, + (PIXEL *)(img->data[1] + y * img->linesize[1]), + ((uint16_t *) buf) + 1, img->w, 2); + } + } + else + { + luma8_to_gray(&cvt, + (PIXEL *)(img->data[0] + y * img->linesize[0]), + (uint8_t *) buf, img->w, img_spp); + + if (img_alpha) + { + gray8_to_gray(&cvt, + (PIXEL *)(img->data[1] + y * img->linesize[1]), + ((uint8_t *) buf) + 1, img->w, 2); + } + } + break; } }