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// Copyright 2016 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITOR_FILTER_OPERATIONS_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITOR_FILTER_OPERATIONS_H_
#include "cc/paint/filter_operations.h"
#include "third_party/blink/renderer/platform/geometry/float_rect.h"
#include "third_party/blink/renderer/platform/geometry/int_point.h"
#include "third_party/blink/renderer/platform/graphics/color.h"
#include "third_party/blink/renderer/platform/graphics/paint/paint_filter.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/skia/include/core/SkScalar.h"
namespace blink {
// An ordered list of filter operations.
class PLATFORM_EXPORT CompositorFilterOperations {
public:
const cc::FilterOperations& AsCcFilterOperations() const;
cc::FilterOperations ReleaseCcFilterOperations();
void AppendGrayscaleFilter(float amount);
void AppendSepiaFilter(float amount);
void AppendSaturateFilter(float amount);
void AppendHueRotateFilter(float amount);
void AppendInvertFilter(float amount);
void AppendBrightnessFilter(float amount);
void AppendContrastFilter(float amount);
void AppendOpacityFilter(float amount);
void AppendBlurFilter(float amount);
void AppendDropShadowFilter(IntPoint offset, float std_deviation, Color);
void AppendColorMatrixFilter(const cc::FilterOperation::Matrix&);
void AppendZoomFilter(float amount, int inset);
void AppendSaturatingBrightnessFilter(float amount);
void AppendReferenceFilter(sk_sp<PaintFilter>);
void Clear();
bool IsEmpty() const;
// Returns a rect covering the destination pixels that can be affected by
// source pixels in |inputRect|.
FloatRect MapRect(const FloatRect& input_rect) const;
bool HasFilterThatMovesPixels() const;
void SetReferenceBox(const FloatRect& r) { reference_box_ = r; }
FloatRect ReferenceBox() const { return reference_box_; }
// For reference filters, this equality operator compares pointers of the
// image_filter fields instead of their values.
bool operator==(const CompositorFilterOperations&) const;
bool operator!=(const CompositorFilterOperations& o) const {
return !(*this == o);
}
bool EqualsIgnoringReferenceFilters(const CompositorFilterOperations&) const;
String ToString() const;
private:
cc::FilterOperations filter_operations_;
FloatRect reference_box_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_GRAPHICS_COMPOSITOR_FILTER_OPERATIONS_H_
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