cc/playback/float_clip_display_item.cc

   1 // Copyright 2015 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 #include "cc/playback/float_clip_display_item.h"
   6
   7 #include "base/strings/stringprintf.h"
   8 #include "base/trace_event/trace_event_argument.h"
   9 #include "third_party/skia/include/core/SkCanvas.h"
  10 #include "ui/gfx/skia_util.h"
  11
  12 namespace cc {
  13
  14 FloatClipDisplayItem::FloatClipDisplayItem() {
  15 }
  16
  17 FloatClipDisplayItem::~FloatClipDisplayItem() {
  18 }
  19
  20 void FloatClipDisplayItem::SetNew(const gfx::RectF& clip_rect) {
  21   clip_rect_ = clip_rect;
  22
  23   DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 1 /* op_count */,
  24                       0 /* external_memory_usage */);
  25 }
  26
  27 void FloatClipDisplayItem::Raster(SkCanvas* canvas,
  28                                   const gfx::Rect& canvas_target_playback_rect,
  29                                   SkPicture::AbortCallback* callback) const {
  30   canvas->save();
  31   canvas->clipRect(gfx::RectFToSkRect(clip_rect_));
  32 }
  33
  34 void FloatClipDisplayItem::AsValueInto(
  35     base::trace_event::TracedValue* array) const {
  36   array->AppendString(base::StringPrintf("FloatClipDisplayItem rect: [%s]",
  37                                          clip_rect_.ToString().c_str()));
  38 }
  39
  40 EndFloatClipDisplayItem::EndFloatClipDisplayItem() {
  41   DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 0 /* op_count */,
  42                       0 /* external_memory_usage */);
  43 }
  44
  45 EndFloatClipDisplayItem::~EndFloatClipDisplayItem() {
  46 }
  47
  48 void EndFloatClipDisplayItem::Raster(
  49     SkCanvas* canvas,
  50     const gfx::Rect& canvas_target_playback_rect,
  51     SkPicture::AbortCallback* callback) const {
  52   canvas->restore();
  53 }
  54
  55 void EndFloatClipDisplayItem::AsValueInto(
  56     base::trace_event::TracedValue* array) const {
  57   array->AppendString("EndFloatClipDisplayItem");
  58 }
  59
  60 }  // namespace cc