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Diffstat (limited to 'cc/layers/layer_utils.h')
-rw-r--r-- | cc/layers/layer_utils.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/cc/layers/layer_utils.h b/cc/layers/layer_utils.h new file mode 100644 index 0000000..396f070 --- /dev/null +++ b/cc/layers/layer_utils.h @@ -0,0 +1,29 @@ +// Copyright 2014 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. + +#ifndef CC_LAYERS_LAYER_UTILS_H_ +#define CC_LAYERS_LAYER_UTILS_H_ + +#include "cc/base/cc_export.h" + +namespace gfx { + class BoxF; +} // namespace gfx + +namespace cc { + class LayerImpl; + + class CC_EXPORT LayerUtils { + public: + // Computes a box in screen space that should entirely contain the layer's + // bounds through the entirety of the layer's current animation. Returns + // true and sets |out| to the inflation if there are animations that can + // inflate bounds in the path to the root layer and that it was able to + // inflate correctly. Returns false otherwise. + static bool GetAnimationBounds(const LayerImpl& layer, gfx::BoxF* out); + }; + +} // namespace cc + +#endif // CC_LAYERS_LAYER_UTILS_H_ |