chromium/skia/ext/opacity_filter_canvas.h

// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SKIA_EXT_OPACITY_FILTER_CANVAS_H_
#define SKIA_EXT_OPACITY_FILTER_CANVAS_H_

#include "third_party/skia/include/utils/SkPaintFilterCanvas.h"

namespace skia {

// This filter canvas 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 OpacityFilterCanvas : public SkPaintFilterCanvas { … };

}  // namespace skia

#endif  // SKIA_EXT_OPACITY_FILTER_CANVAS_H_