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Votes

0

Found in [Package]

2.0.0-preview.21

Issue ID

VGB-7

Regression

No

[Vector Graphics] Resolution loss and artifacts when importing SVG with the Vector Graphics package

Package: Vector Graphics

-

Reproduction steps:
1. Open the attached project "ReproProj"
2. Open the “/Assets/Scenes/SampleScene.unity” Scene
3. Enter the Play Mode
4. Observe the Game view window

Expected result: SVG on the right looks the same as SVG seen on the left side
Actual result: Right SVG differs from the SVG seen on the left side

Reproducible with: 2.0.0-preview.6 (2021.3.28f1), 2.0.0-preview.21 (2021.3.28f1, 2022.3.6f1, 2023.1.5f1, 2023.2.0b1)
Could not test with: 2.0.0-preview.5 (2021.3.28f1) (Library\PackageCache\com.unity.vectorgraphics@2.0.0-preview.5\Runtime\InternalBridge\VectorImageBridge.cs(88,25): error CS0117: 'Vertex' does not contain a definition for 'settingIndex')

Reproduces on: Windows 10 Enterprise 21H2

Notes:
- SVG is imported from a script using the VectorUtils.VectorUtils.TessellateScene and VectorUtils.FillMesh methods
- The Tesselation is not uniform
- Looks like the StepDistance gets bigger and bigger over time with an increased resolution loss and artifacts: those are well visible with dashed strokes
- On the left, there is the correct result using the Sprite Renderer, while on the right the erroneous import via Script
- Could not test with Windows Standalone Player due to the right SVG not being rendered

  1. Resolution Note:

    This is expected. The SamplingStepSize value should be equivalent to 1/"Sampling Steps" provided in the SVGImporter. So to have 100 steps, you would provide a value of 0.01 for the SamplingStepSize.

    We may eventually either revise this API or fix the documentation for that behaviour.

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