skia/ext/paint_simplifier.h

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef SKIA_EXT_PAINT_SIMPLIFIER_H
   6 #define SKIA_EXT_PAINT_SIMPLIFIER_H
   7
   8 #include "base/values.h"
   9 #include "third_party/skia/include/core/SkDrawFilter.h"
  10
  11 class SkPaint;
  12
  13 namespace skia {
  14
  15 /*
  16   When installed on a SkCanvas, reduces the quality of all draws
  17   to that canvas. This improves rasterization speed during flings.
  18   We turn off blurs, filters, and antialiasing *except for* text.
  19 */
  20 class SK_API PaintSimplifier : public SkDrawFilter {
  21  public:
  22   PaintSimplifier();
  23   virtual ~PaintSimplifier();
  24   virtual bool filter(SkPaint*, Type) OVERRIDE;
  25
  26  private:
  27   typedef SkDrawFilter INHERITED;
  28 };
  29
  30 }  // namespace skia
  31
  32 #endif  // SKIA_EXT_PAINT_SIMPLIFIER_H
  33