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Diffstat (limited to 'ui/gfx/transform_util.cc')
-rw-r--r-- | ui/gfx/transform_util.cc | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/ui/gfx/transform_util.cc b/ui/gfx/transform_util.cc new file mode 100644 index 0000000..e5fc484 --- /dev/null +++ b/ui/gfx/transform_util.cc @@ -0,0 +1,19 @@ +// Copyright (c) 2012 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#include "ui/gfx/transform_util.h" + +#include "ui/gfx/point.h" + +namespace ui { + +Transform GetScaleTransform(const gfx::Point& anchor, float scale) { + ui::Transform transform; + transform.ConcatScale(scale, scale); + transform.ConcatTranslate(anchor.x() * (1 - scale), + anchor.y() * (1 - scale)); + return transform; +} + +} // namespace ui |