void DeprecatedPaintLayerPainter::paintFragmentByApplyingTransform(GraphicsContext* context, const DeprecatedPaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, const LayoutPoint& fragmentTranslation)
{
// This involves subtracting out the position of the layer in our current coordinate space, but preserving
// the accumulated error for sub-pixel layout.
LayoutPoint delta;
m_paintLayer.convertToLayerCoords(paintingInfo.rootLayer, delta);
delta.moveBy(fragmentTranslation);
TransformationMatrix transform(m_paintLayer.renderableTransform(paintingInfo.globalPaintFlags()));
IntPoint roundedDelta = roundedIntPoint(delta);
transform.translateRight(roundedDelta.x(), roundedDelta.y());
LayoutSize adjustedSubPixelAccumulation = paintingInfo.subPixelAccumulation + (delta - roundedDelta);
Transform3DRecorder transform3DRecorder(*context, *m_paintLayer.layoutObject(), DisplayItem::Transform3DElementTransform, transform);
// Now do a paint with the root layer shifted to be us.
DeprecatedPaintLayerPaintingInfo transformedPaintingInfo(&m_paintLayer, LayoutRect(enclosingIntRect(transform.inverse().mapRect(paintingInfo.paintDirtyRect))), paintingInfo.globalPaintFlags(),
adjustedSubPixelAccumulation, paintingInfo.paintingRoot);
paintLayerContentsAndReflection(context, transformedPaintingInfo, paintFlags, ForceSingleFragment);
}
PaintLayerPainter::PaintResult PaintLayerPainter::paintFragmentByApplyingTransform(GraphicsContext& context, const PaintLayerPaintingInfo& paintingInfo, PaintLayerFlags paintFlags, const LayoutPoint& fragmentTranslation)
{
// This involves subtracting out the position of the layer in our current coordinate space, but preserving
// the accumulated error for sub-pixel layout.
LayoutPoint delta;
m_paintLayer.convertToLayerCoords(paintingInfo.rootLayer, delta);
delta.moveBy(fragmentTranslation);
TransformationMatrix transform(m_paintLayer.renderableTransform(paintingInfo.globalPaintFlags()));
IntPoint roundedDelta = roundedIntPoint(delta);
transform.translateRight(roundedDelta.x(), roundedDelta.y());
LayoutSize adjustedSubPixelAccumulation = paintingInfo.subPixelAccumulation + (delta - roundedDelta);
// TODO(jbroman): Put the real transform origin here, instead of using a
// matrix with the origin baked in.
FloatPoint3D transformOrigin;
Transform3DRecorder transform3DRecorder(context, *m_paintLayer.layoutObject(), DisplayItem::Transform3DElementTransform, transform, transformOrigin);
// Now do a paint with the root layer shifted to be us.
PaintLayerPaintingInfo transformedPaintingInfo(&m_paintLayer, LayoutRect(enclosingIntRect(transform.inverse().mapRect(paintingInfo.paintDirtyRect))), paintingInfo.globalPaintFlags(),
adjustedSubPixelAccumulation);
transformedPaintingInfo.ancestorHasClipPathClipping = paintingInfo.ancestorHasClipPathClipping;
return paintLayerContentsAndReflection(context, transformedPaintingInfo, paintFlags, ForceSingleFragment);
}