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Unified Diff: cc/resources/float_clip_display_item.cc

Issue 839143002: Roll Chrome into Mojo. (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Rebase Created 5 years, 11 months ago
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Index: cc/resources/float_clip_display_item.cc
diff --git a/cc/resources/float_clip_display_item.cc b/cc/resources/float_clip_display_item.cc
new file mode 100644
index 0000000000000000000000000000000000000000..259ccc88d7018a4ea86cd299276133277368d484
--- /dev/null
+++ b/cc/resources/float_clip_display_item.cc
@@ -0,0 +1,60 @@
+// Copyright 2015 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.
+
+#include "cc/resources/float_clip_display_item.h"
+
+#include "third_party/skia/include/core/SkCanvas.h"
+#include "ui/gfx/skia_util.h"
+
+namespace cc {
+
+FloatClipDisplayItem::FloatClipDisplayItem(gfx::RectF clip_rect)
+ : clip_rect_(clip_rect) {
+}
+
+FloatClipDisplayItem::~FloatClipDisplayItem() {
+}
+
+void FloatClipDisplayItem::Raster(SkCanvas* canvas,
+ SkDrawPictureCallback* callback) const {
+ canvas->save();
+ canvas->clipRect(gfx::RectFToSkRect(clip_rect_));
+}
+
+bool FloatClipDisplayItem::IsSuitableForGpuRasterization() const {
+ return true;
+}
+
+int FloatClipDisplayItem::ApproximateOpCount() const {
+ return 1;
+}
+
+size_t FloatClipDisplayItem::PictureMemoryUsage() const {
+ return sizeof(gfx::RectF);
+}
+
+EndFloatClipDisplayItem::EndFloatClipDisplayItem() {
+}
+
+EndFloatClipDisplayItem::~EndFloatClipDisplayItem() {
+}
+
+void EndFloatClipDisplayItem::Raster(SkCanvas* canvas,
+ SkDrawPictureCallback* callback) const {
+ canvas->restore();
+}
+
+bool EndFloatClipDisplayItem::IsSuitableForGpuRasterization() const {
+ return true;
+}
+
+int EndFloatClipDisplayItem::ApproximateOpCount() const {
+ return 0;
+}
+
+size_t EndFloatClipDisplayItem::PictureMemoryUsage() const {
+ return 0;
+}
+
+} // namespace cc
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