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| author | shawnsingh@google.com <shawnsingh@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-01-07 18:46:17 +0000 |
|---|---|---|
| committer | shawnsingh@google.com <shawnsingh@google.com@0039d316-1c4b-4281-b951-d872f2087c98> | 2013-01-07 18:46:17 +0000 |
| commit | bda419621f3a609ac9381f03344574b297d2a3fc (patch) | |
| tree | ec426b89d2fd0db9841add54580ff4bfcc50802c /cc/layer_tree_host.cc | |
| parent | 38eb497c29f6ba7ddf8b067f7b892bd7ed9e1423 (diff) | |
| download | chromium_src-bda419621f3a609ac9381f03344574b297d2a3fc.zip chromium_src-bda419621f3a609ac9381f03344574b297d2a3fc.tar.gz chromium_src-bda419621f3a609ac9381f03344574b297d2a3fc.tar.bz2 | |
Migrate from MathUtil::inverse() to gfx::Transform::GetInverse()
BUG=159972, 163769
Review URL: https://codereview.chromium.org/11644008
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@175363 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'cc/layer_tree_host.cc')
| -rw-r--r-- | cc/layer_tree_host.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/cc/layer_tree_host.cc b/cc/layer_tree_host.cc index b85429e..390f001 100644 --- a/cc/layer_tree_host.cc +++ b/cc/layer_tree_host.cc @@ -780,7 +780,12 @@ gfx::PointF LayerTreeHost::adjustEventPointForPinchZoom(const gfx::PointF& zoome // Scale to screen space before applying implTransform inverse. gfx::PointF zoomedScreenspacePoint = gfx::ScalePoint(zoomedViewportPoint, deviceScaleFactor()); - gfx::Transform inverseImplTransform = MathUtil::inverse(m_implTransform); + + gfx::Transform inverseImplTransform(gfx::Transform::kSkipInitialization); + if (!m_implTransform.GetInverse(&inverseImplTransform)) { + // TODO(shawnsingh): Either we need to handle uninvertible transforms + // here, or DCHECK that the transform is invertible. + } bool wasClipped = false; gfx::PointF unzoomedScreenspacePoint = MathUtil::projectPoint(inverseImplTransform, zoomedScreenspacePoint, wasClipped); |