diff options
Diffstat (limited to 'WebCore/platform/graphics/cairo/ContextShadowCairo.cpp')
| -rw-r--r-- | WebCore/platform/graphics/cairo/ContextShadowCairo.cpp | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/WebCore/platform/graphics/cairo/ContextShadowCairo.cpp b/WebCore/platform/graphics/cairo/ContextShadowCairo.cpp index 8299b6a..699edf7 100644 --- a/WebCore/platform/graphics/cairo/ContextShadowCairo.cpp +++ b/WebCore/platform/graphics/cairo/ContextShadowCairo.cpp @@ -84,6 +84,8 @@ static cairo_surface_t* getScratchBuffer(const IntSize& size) PlatformContext ContextShadow::beginShadowLayer(PlatformContext context, const FloatRect& layerArea) { + m_unscaledLayerRect = layerArea; + double x1, x2, y1, y2; cairo_clip_extents(context, &x1, &y1, &x2, &y2); calculateLayerBoundingRect(layerArea, IntRect(x1, y1, x2 - x1, y2 - y1)); @@ -120,7 +122,19 @@ void ContextShadow::endShadowLayer(cairo_t* cr) cairo_save(cr); setSourceRGBAFromColor(cr, m_color); - cairo_mask_surface(cr, m_layerImage, m_layerRect.x(), m_layerRect.y()); + + cairo_matrix_t transform; + cairo_get_matrix(cr, &transform); + double x = m_layerRect.x(); + double y = m_layerRect.y(); + + double xScale = sqrt(transform.xx * transform.xx + transform.yx * transform.yx); + double yScale = sqrt(transform.xy * transform.xy + transform.yy * transform.yy); + if (xScale != 1 || yScale != 1) { + x = m_unscaledLayerRect.x() + m_offset.width() / transform.xx - m_blurDistance; + y = m_unscaledLayerRect.y() + m_offset.height() / transform.yy - m_blurDistance; + } + cairo_mask_surface(cr, m_layerImage, x, y); cairo_restore(cr); // Schedule a purge of the scratch buffer. We do not need to destroy the surface. |