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| author | Tor Andersson <tor.andersson@artifex.com> | 2016-12-21 16:19:28 +0100 |
|---|---|---|
| committer | Tor Andersson <tor.andersson@artifex.com> | 2016-12-27 15:06:51 +0100 |
| commit | 9423400441f32a4c28651ee255cb95cecf49a57a (patch) | |
| tree | 1cea74f63248ca990e92ca73ef52a87d04aed769 /include/mupdf/fitz/pixmap.h | |
| parent | bc0b5d4b39e3050c36162d719666053e520161c9 (diff) | |
| download | mupdf-9423400441f32a4c28651ee255cb95cecf49a57a.tar.xz | |
Common code to ensure we only premultiply pixmaps with additive colors.
Diffstat (limited to 'include/mupdf/fitz/pixmap.h')
| -rw-r--r-- | include/mupdf/fitz/pixmap.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/mupdf/fitz/pixmap.h b/include/mupdf/fitz/pixmap.h index b2a47407..6dfd4bae 100644 --- a/include/mupdf/fitz/pixmap.h +++ b/include/mupdf/fitz/pixmap.h @@ -262,6 +262,13 @@ void fz_gamma_pixmap(fz_context *ctx, fz_pixmap *pix, float gamma); void fz_unmultiply_pixmap(fz_context *ctx, fz_pixmap *pix); /* + fz_ensure_pixmap_is_additive: Convert a pixmap in a subtractive colorspace to an additive colorspace. + + Pixmaps with premultiplied alpha must be in an additive colorspace. +*/ +fz_pixmap *fz_ensure_pixmap_is_additive(fz_context *ctx, fz_pixmap *pix); + +/* fz_convert_pixmap: Convert an existing pixmap to a desired colorspace. Other properties of the pixmap, such as resolution and position are are copied to the converted pixmap. |