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Add gradients, links, bookmarks, QR codes, and dashed curves to VectorCanvas - #4
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…Canvas Extend the vector canvas with the remaining drawing and interaction features, documented and tested to the same level as the canvas media PR. Added: - Dash patterns and phases on ellipses, rounded rectangles, pie sectors, and arbitrary paths (PathDescriptor.Dash), scoped with q/Q like dashed lines and rectangles. - PathDescriptor.RoundedRect, with the radius clamped to half the shorter side. - Linear and radial two-stop gradient fills (FillLinearGradient, FillRadialGradient), written as PDF axial/radial shadings clipped to the path. Stroke, even-odd fill, opacity, and dashes still apply; Fill() and the gradient methods replace each other. - VectorCanvas.Link, InternalLink, and Bookmark for URI links, in-document links, and outline entries at absolute canvas positions. - VectorCanvas.QrCode, drawn as one filled vector path of merged module runs; oversize data and invalid colors fail at the call site. Docs and samples: - CHANGELOG [Unreleased], README features, docs/vector-graphics.md and docs/bookmarks.md, CONTRIBUTING test table. - New sample 19_CanvasExtrasShowcase.cs. Tests: CanvasExtrasTests covers output operators, resources, annotations, outlines, and argument validation.
sahebansari
self-requested a review
September 26, 2026 14:08
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Summary
Extend the vector canvas with the remaining drawing and interaction features, documented and tested to the same level as the canvas media PR.
Added:
Docs and samples:
Tests: CanvasExtrasTests covers output operators, resources, annotations, outlines, and argument validation.