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| author | Robin Watts <robin.watts@artifex.com> | 2016-07-13 14:58:40 +0100 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2016-07-13 15:08:32 +0100 |
| commit | 70afff0803eac9e398b6fb6ffa6b62c2d13aa88e (patch) | |
| tree | f4608cd22da09ca7bf75ecb8754939d37524f5f5 /source/fitz/draw-device.c | |
| parent | 3f361e35265e6f5f50b6f92c14d7b352a228596b (diff) | |
| download | mupdf-70afff0803eac9e398b6fb6ffa6b62c2d13aa88e.tar.xz | |
Fix knockout/mask interaction.
When we are rendering a knockout group, we set the knockout flag.
Do NOT carry this forward into the renderings of any softmasks.
This fixes Bug 696870 and 696872.
Diffstat (limited to 'source/fitz/draw-device.c')
| -rw-r--r-- | source/fitz/draw-device.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/source/fitz/draw-device.c b/source/fitz/draw-device.c index ff746e29..3c8d79dc 100644 --- a/source/fitz/draw-device.c +++ b/source/fitz/draw-device.c @@ -1762,6 +1762,10 @@ fz_draw_begin_mask(fz_context *ctx, fz_device *devp, const fz_rect *rect, int lu fz_transform_rect(&trect, &dev->transform); fz_intersect_irect(fz_irect_from_rect(&bbox, &trect), &state->scissor); + /* Reset the blendmode for the mask rendering. In particular, + * don't carry forward knockout or isolated. */ + state[1].blendmode = 0; + fz_try(ctx) { /* If luminosity, then we generate a mask from the greyscale value of the shapes. |