diff options
Diffstat (limited to 'components/script/dom/canvasrenderingcontext2d.rs')
| -rw-r--r-- | components/script/dom/canvasrenderingcontext2d.rs | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/components/script/dom/canvasrenderingcontext2d.rs b/components/script/dom/canvasrenderingcontext2d.rs index 7ddce7791c9..74389abaae2 100644 --- a/components/script/dom/canvasrenderingcontext2d.rs +++ b/components/script/dom/canvasrenderingcontext2d.rs @@ -140,8 +140,8 @@ impl CanvasRenderingContext2D { // The source rectangle is the rectangle whose corners are the four points (sx, sy), // (sx+sw, sy), (sx+sw, sy+sh), (sx, sy+sh). - let source_rect = Rect(Point2D(sx, sy), - Size2D(sw, sh)); + let source_rect = Rect(Point2D(sx.min(sx+sw), sy.min(sy+sh)), + Size2D(sw.abs(), sh.abs())); // When the source rectangle is outside the source image, // the source rectangle must be clipped to the source image @@ -158,8 +158,8 @@ impl CanvasRenderingContext2D { // The destination rectangle is the rectangle whose corners are the four points (dx, dy), // (dx+dw, dy), (dx+dw, dy+dh), (dx, dy+dh). - let dest_rect = Rect(Point2D(dx, dy), - Size2D(dest_rect_width_scaled, dest_rect_height_scaled)); + let dest_rect = Rect(Point2D(dx.min(dx+dest_rect_width_scaled), dy.min(dy+dest_rect_height_scaled)), + Size2D(dest_rect_width_scaled.abs(), dest_rect_height_scaled.abs())); let source_rect = Rect(Point2D(source_rect_clipped.origin.x, source_rect_clipped.origin.y), |