Roll skia to 8cc209111876b7c78b5ec577c9221d8ed5e21024

skia/ext/opacity_draw_filter.h

-// Copyright 2013 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 SKIA_EXT_OPACITY_DRAW_FILTER_H
-#define SKIA_EXT_OPACITY_DRAW_FILTER_H
-
-#include "base/values.h"
-#include "third_party/skia/include/core/SkDrawFilter.h"
-
-class SkPaint;
-
-namespace skia {
-
-// This filter allows setting an opacity on every draw call to a canvas, and to
-// disable image filtering. Note that the opacity setting is only correct in
-// very limited conditions: when there is only zero or one opaque, nonlayer
-// draw for every pixel in the surface.
-class SK_API OpacityDrawFilter : public SkDrawFilter {
- public:
-  OpacityDrawFilter(float opacity, bool disable_image_filtering);
-  ~OpacityDrawFilter() override;
-  bool filter(SkPaint* paint, SkDrawFilter::Type type) override;
-
- private:
-  int alpha_;
-  bool disable_image_filtering_;
-};
-
-}  // namespace skia
-
-#endif  // SKIA_EXT_OPACITY_DRAW_FILTER_H
-