canvas: Add background field to canvas context for background-aware drawing#823
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johannes-wolf merged 1 commit intocetz-package:cetz-0.3.3from Feb 26, 2025
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Add background to canvas context
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* treewide: Bump version to 0.3.3 * canvas: Add background field to canvas context for background-aware drawing (#823) Add background to canvas context Add background to canvas context * background: Update changelog & add documentation * mark: Fix mark styling issues with incomplete dict (#825) * matrix: Add a diag function (#824) * matrix: Add a diag function * matrix: Improve ident * mark: Add missing test case * bezier: Possible fix for div by zero bug --------- Co-authored-by: Derived Cat <hooyuser@outlook.com>
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When drawing inside a canvas, having access to the background color is crucial for background-aware drawing. By adding
backgroundfield to the canvasctx, we can retrieve the current background color using theget-ctxfunction.This improves visual consistency, especially in dynamic themes like dark mode. The following example demonstrates the impact (Typst App Link)