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svg_loader: limiting the ploted area of svg to viewBox

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The 'viewBox' element given in the svg file determines
the coordinates of the plotted area. ClipPath used in Svg loader.
This commit is contained in:
Mira Grudzinska 2021-03-07 16:02:04 +01:00 • committed by Hermet Park
parent 0984241954
commit 2bb108b2f1
1 changed files with 8 additions and 1 deletions
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9
src/loaders/svg/tvgSvgSceneBuilder.cpp
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@ -363,7 +363,14 @@ unique_ptr<Scene> _sceneBuildHelper(const SvgNode* node, float vx, float vy, flo
scene->push(_sceneBuildHelper(*child, vx, vy, vw, vh));
} else {
auto shape = _shapeBuildHelper(*child, vx, vy, vw, vh);
if (shape) scene->push(move(shape));
// clipping the viewBox
if (shape) {
auto viewBoxClip = Shape::gen();
viewBoxClip->appendRect(vx, vy, vw, vh, 0, 0);
viewBoxClip->fill(0, 0, 0, 255);
shape->composite(move(viewBoxClip), tvg::CompositeMethod::ClipPath);
scene->push(move(shape));
}
}
}
//Apply composite node