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authorcaryclark <caryclark@google.com>2016-03-25 14:08:26 -0700
committerCommit bot <commit-bot@chromium.org>2016-03-25 14:08:26 -0700
commit342f6fa66f6d843fe07d9b6a133656f83c8d62f6 (patch)
treea87e4ca21ea2d4444d98cd0ce28001de9925fa7a /fpdfsdk
parent46c8b1e3202ab5ae3663141dc25bec3b4360322e (diff)
downloadpdfium-342f6fa66f6d843fe07d9b6a133656f83c8d62f6.tar.xz
support gradients and stroke+fill
To draw paths that are stroked and filled with a pair of colors, reduce the fill by the width of the stroke. This is implemented with path ops subtracting the resolved stroke shape from the fill shape. This permits rendering the result without requiring an offscreen bitmap. The implementation for stroke+fill requires a new entry into the graphics engine, so a bit was added to device caps for that. Extract the gradient information out of the axial gradient function descriptions, and when possible, use Skia to draw the linear gradient directly. This requires making the function descriptions non-opaque, and adding a bit to device caps for another entry into the graphics engine. BUG= Review URL: https://codereview.chromium.org/1828283002
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