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| author | Michael Vrhel <michael.vrhel@artifex.com> | 2017-08-03 16:01:34 -0700 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2017-10-24 15:16:35 +0100 |
| commit | 556a18a855b3641185c982cc31740b5462b3f970 (patch) | |
| tree | 5576f09535eed9ab019f0b4e7254cdc48176375e /source/fitz/draw-device.c | |
| parent | 9ae52885ef25c28a14ce0f6680026a99d1deef6d (diff) | |
| download | mupdf-556a18a855b3641185c982cc31740b5462b3f970.tar.xz | |
Only allow overprint when color spaces are subtractive.
Fixes on issue on page 14 of altona test.
Diffstat (limited to 'source/fitz/draw-device.c')
| -rw-r--r-- | source/fitz/draw-device.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/source/fitz/draw-device.c b/source/fitz/draw-device.c index 72c0ab74..bab1c5a6 100644 --- a/source/fitz/draw-device.c +++ b/source/fitz/draw-device.c @@ -356,6 +356,9 @@ set_op_from_spaces(fz_context *ctx, fz_overprint *op, const fz_pixmap *dest, con if (!op) return; + if (!fz_colorspace_is_subtractive(ctx, src) || !fz_colorspace_is_subtractive(ctx, dest->colorspace)) + return; + sn = fz_colorspace_n(ctx, src); dn = dest->n - dest->alpha; dc = dn - dest->s; |