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// 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_OUTPUT_OVERLAY_CANDIDATE_H_
#define CC_OUTPUT_OVERLAY_CANDIDATE_H_
#include <vector>
#include "cc/base/cc_export.h"
#include "cc/resources/resource_format.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/overlay_transform.h"
#include "ui/gfx/transform.h"
namespace cc {
class CC_EXPORT OverlayCandidate {
public:
static gfx::OverlayTransform GetOverlayTransform(
const gfx::Transform& quad_transform,
bool flipped);
// Apply transform |delta| to |in| and return the resulting transform,
// or OVERLAY_TRANSFORM_INVALID.
static gfx::OverlayTransform ModifyTransform(gfx::OverlayTransform in,
gfx::OverlayTransform delta);
static gfx::Rect GetOverlayRect(const gfx::Transform& quad_transform,
const gfx::Rect& rect);
OverlayCandidate();
~OverlayCandidate();
// Transformation to apply to layer during composition.
gfx::OverlayTransform transform;
// Format of the buffer to composite.
ResourceFormat format;
// Rect on the display to position the overlay to.
gfx::Rect display_rect;
// Crop within the buffer to be placed inside |display_rect|.
gfx::RectF uv_rect;
// Texture resource to present in an overlay.
unsigned resource_id;
// Stacking order of the overlay plane relative to the main surface,
// which is 0. Signed to allow for "underlays".
int plane_z_order;
// To be modified by the implementer if this candidate can go into
// an overlay.
bool overlay_handled;
};
typedef std::vector<OverlayCandidate> OverlayCandidateList;
} // namespace cc
#endif // CC_OUTPUT_OVERLAY_CANDIDATE_H_
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