cc/blink/web_filter_operations_impl.h

// 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_BLINK_WEB_FILTER_OPERATIONS_IMPL_H_
#define CC_BLINK_WEB_FILTER_OPERATIONS_IMPL_H_

#include "cc/output/filter_operations.h"
#include "cc/blink/cc_blink_export.h"
#include "third_party/WebKit/public/platform/WebFilterOperations.h"

namespace cc_blink {

class WebFilterOperationsImpl : public blink::WebFilterOperations {
 public:
  CC_BLINK_EXPORT WebFilterOperationsImpl();
  ~WebFilterOperationsImpl() override;

  const cc::FilterOperations& AsFilterOperations() const;

  // Implementation of blink::WebFilterOperations methods
  void appendGrayscaleFilter(float amount) override;
  void appendSepiaFilter(float amount) override;
  void appendSaturateFilter(float amount) override;
  void appendHueRotateFilter(float amount) override;
  void appendInvertFilter(float amount) override;
  void appendBrightnessFilter(float amount) override;
  void appendContrastFilter(float amount) override;
  void appendOpacityFilter(float amount) override;
  void appendBlurFilter(float amount) override;
  void appendDropShadowFilter(blink::WebPoint offset,
                              float std_deviation,
                              blink::WebColor color) override;
  void appendColorMatrixFilter(SkScalar matrix[20]) override;
  void appendZoomFilter(float amount, int inset) override;
  void appendSaturatingBrightnessFilter(float amount) override;
  void appendReferenceFilter(SkImageFilter* image_filter) override;

  void clear() override;
  bool isEmpty() const override;

 private:
  cc::FilterOperations filter_operations_;

  DISALLOW_COPY_AND_ASSIGN(WebFilterOperationsImpl);
};

}  // namespace cc_blink

#endif  // CC_BLINK_WEB_FILTER_OPERATIONS_IMPL_H_