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Bug 880676 - Introduce a ScaleFactor struct and use it to type conversions between units. r=BenWa,kentuckyfriedtakahe

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This commit is contained in:
Kartikaya Gupta
2013-06-14 16:11:31 -04:00
parent 89212e12c4
commit 2c81c2929e
6 changed files with 104 additions and 37 deletions
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6
gfx/layers/composite/AsyncCompositionManager.cpp
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@@ -355,7 +355,7 @@ AsyncCompositionManager::ApplyAsyncContentTransformToTree(TimeStamp aCurrentFram
metrics.mDisplayPort : metrics.mCriticalDisplayPort);
gfx::Margin fixedLayerMargins(0, 0, 0, 0);
ScreenPoint offset(0, 0);
SyncFrameMetrics(scrollOffset, treeTransform.mScale.width, metrics.mScrollableRect,
SyncFrameMetrics(scrollOffset, treeTransform.mScale.scale, metrics.mScrollableRect,
mLayersUpdated, displayPort, 1 / rootTransform.GetXScale(),
mIsFirstPaint, fixedLayerMargins, offset);
@@ -382,7 +382,7 @@ AsyncCompositionManager::ApplyAsyncContentTransformToTree(TimeStamp aCurrentFram
TransformFixedLayers(
aLayer,
gfxPoint(-treeTransform.mTranslation.x, -treeTransform.mTranslation.y),
treeTransform.mScale,
gfxSize(treeTransform.mScale.scale, treeTransform.mScale.scale),
fixedLayerMargins);
appliedTransform = true;
@@ -462,7 +462,7 @@ AsyncCompositionManager::TransformScrollableLayer(Layer* aLayer, const gfx3DMatr
(scrollOffset.x / tempScaleDiffX - metricsScrollOffset.x),
(scrollOffset.y / tempScaleDiffY - metricsScrollOffset.y));
treeTransform = gfx3DMatrix(ViewTransform(-scrollCompensation,
gfxSize(scaleX, scaleY)));
CSSToScreenScale(scaleX, scaleY)));
// Translate fixed position layers so that they stay in the correct position
// when scrollOffset and metricsScrollOffset differ.