src/third_party/skia/src/utils/SkGatherPixelRefsAndRects.cpp

   1 /*
   2  * Copyright 2014 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "SkGatherPixelRefsAndRects.h"
   9 #include "SkNoSaveLayerCanvas.h"
  10 #include "SkPictureUtils.h"
  11
  12 void SkPictureUtils::GatherPixelRefsAndRects(SkPicture* pict,
  13                                              SkPictureUtils::SkPixelRefContainer* prCont) {
  14     if (pict->cullRect().isEmpty()) {
  15         return ;
  16     }
  17
  18     SkGatherPixelRefsAndRectsDevice device(SkScalarCeilToInt(pict->cullRect().width()),
  19                                            SkScalarCeilToInt(pict->cullRect().height()),
  20                                            prCont);
  21     SkNoSaveLayerCanvas canvas(&device);
  22
  23     canvas.clipRect(pict->cullRect(), SkRegion::kIntersect_Op, false);
  24     canvas.drawPicture(pict);
  25 }