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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_GL_DC_LAYER_OVERLAY_PARAMS_H_
#define UI_GL_DC_LAYER_OVERLAY_PARAMS_H_
#include "base/functional/callback.h"
#include "base/memory/scoped_refptr.h"
#include "third_party/abseil-cpp/absl/types/optional.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/color_space.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/rrect_f.h"
#include "ui/gfx/geometry/transform.h"
#include "ui/gfx/hdr_metadata.h"
#include "ui/gfx/video_types.h"
#include "ui/gl/dc_layer_overlay_image.h"
#include "ui/gl/gl_export.h"
namespace gl {
struct GL_EXPORT DCLayerOverlayParams {
DCLayerOverlayParams();
~DCLayerOverlayParams();
// Image to display in overlay - could be hardware or software video frame,
// swap chain, or dcomp surface. If null and |background_color| is present,
// then this overlay will represents a solid color quad. If both this and
// |background_color| are null, this overlay will not have any visible output.
absl::optional<DCLayerOverlayImage> overlay_image;
// Stacking order relative to backbuffer which has z-order 0.
int z_order = 1;
// What part of |overlay_image| to display in pixels. Ignored, if this overlay
// represents a solid color. Usually integral, but can be non-integral in the
// case of combining occlusion with scaling.
gfx::RectF content_rect;
// Bounds of the overlay in pre-transform space.
gfx::Rect quad_rect;
// 2D flattened transform that maps |quad_rect| to root target space,
// after applying the |quad_rect.origin()| as an offset.
gfx::Transform transform;
// If present, then clip to |clip_rect| in root target space.
absl::optional<gfx::Rect> clip_rect;
// When false, this overlay will be scaled with linear sampling.
bool nearest_neighbor_filter = false;
float opacity = 1.0;
// The rounded corner bounds, in root target space
gfx::RRectF rounded_corner_bounds;
// If present, the overlay will contain this color as a background fill,
// blended behind |overlay_image|.
absl::optional<SkColor4f> background_color;
//
// Below are parameters only used for |SwapChainPresenter|.
//
gfx::ProtectedVideoType protected_video_type =
gfx::ProtectedVideoType::kClear;
gfx::ColorSpace color_space;
gfx::HDRMetadata hdr_metadata;
// Indication of the overlay to be detected as possible full screen
// letterboxing.
// Go to viz::OverlayCandidate::possible_video_fullscreen_letterboxing for the
// details.
bool possible_video_fullscreen_letterboxing = false;
};
} // namespace gl
#endif // UI_GL_DC_LAYER_OVERLAY_PARAMS_H_
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