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Code Issues Projects Releases Packages Wiki Activity Actions 10

LibWeb: Ignore non-finite OffscreenCanvas shadow offset values

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Tim Ledbetter 2025-07-01 01:41:11 +01:00 • committed by Shannon Booth
commit 844dcd3310
Notes: github-actions[bot] 2025-07-01 01:54:35 +00:00
5 changed files with 147 additions and 6 deletions
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22
Libraries/LibWeb/HTML/OffscreenCanvasRenderingContext2D.cpp
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@ -232,10 +232,15 @@ float OffscreenCanvasRenderingContext2D::shadow_offset_x() const
return drawing_state().shadow_offset_x;
}
void OffscreenCanvasRenderingContext2D::set_shadow_offset_x(float offsetX)
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-shadowoffsetx
void OffscreenCanvasRenderingContext2D::set_shadow_offset_x(float offset_x)
{
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-shadowoffsetx
drawing_state().shadow_offset_x = offsetX;
// On setting, the attribute being set must be set to the new value, except if the value is infinite or NaN,
// in which case the new value must be ignored.
if (isinf(offset_x) || isnan(offset_x))
return;
drawing_state().shadow_offset_x = offset_x;
}
float OffscreenCanvasRenderingContext2D::shadow_offset_y() const
@ -243,10 +248,15 @@ float OffscreenCanvasRenderingContext2D::shadow_offset_y() const
return drawing_state().shadow_offset_y;
}
void OffscreenCanvasRenderingContext2D::set_shadow_offset_y(float offsetY)
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-shadowoffsety
void OffscreenCanvasRenderingContext2D::set_shadow_offset_y(float offset_y)
{
// https://html.spec.whatwg.org/multipage/canvas.html#dom-context-2d-shadowoffsety
drawing_state().shadow_offset_y = offsetY;
// On setting, the attribute being set must be set to the new value, except if the value is infinite or NaN,
// in which case the new value must be ignored.
if (isinf(offset_y) || isnan(offset_y))
return;
drawing_state().shadow_offset_y = offset_y;
}
float OffscreenCanvasRenderingContext2D::shadow_blur() const