cc/CCLayerTreeHostCommon.cpp - Issue 10916279: Chromium compositor change implementing page-scale driven pinch-zoom.

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Unified Diff: cc/CCLayerTreeHostCommon.cpp

Issue 10916279: Chromium compositor change implementing page-scale driven pinch-zoom. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/

Patch Set: Created 8 years, 3 months ago

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Index: cc/CCLayerTreeHostCommon.cpp

===================================================================

--- cc/CCLayerTreeHostCommon.cpp (revision 156389)

+++ cc/CCLayerTreeHostCommon.cpp (working copy)

@@ -462,6 +462,8 @@

WebTransformationMatrix layerLocalTransform;

// LT = S[pageScaleDelta]

layerLocalTransform.scale(layer->pageScaleDelta());

+ layerLocalTransform.scale(layer->pageScaleFactor());

+ layerLocalTransform.translate(layer->localOffset().width(), layer->localOffset().height());

// LT = S[pageScaleDelta] * Tr[origin] * Tr[origin2anchor]

layerLocalTransform.translate3d(position.x() + anchorPoint.x() * bounds.width(), position.y() + anchorPoint.y() * bounds.height(), layer->anchorPointZ());

// LT = S[pageScaleDelta] * Tr[origin] * Tr[origin2anchor] * M[layer]

« cc/CCLayerTreeHost.cpp ('K') | « cc/CCLayerTreeHost.cpp ('k') | cc/CCLayerTreeHostImpl.h » ('j') | cc/CCLayerTreeHostImpl.cpp » ('J')