[NOT FOR COMMIT] Fully replace SkCanvas uses.

cc/playback/display_item_list_unittest.cc

 // Copyright 2014 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/playback/display_item_list.h"
 
 #include <stddef.h>
 
 #include <vector>
 
 #include "base/memory/ptr_util.h"
 #include "cc/output/filter_operation.h"
 #include "cc/output/filter_operations.h"
 #include "cc/playback/clip_display_item.h"
 #include "cc/playback/clip_path_display_item.h"
 #include "cc/playback/compositing_display_item.h"
 #include "cc/playback/display_item_list_settings.h"
 #include "cc/playback/drawing_display_item.h"
 #include "cc/playback/filter_display_item.h"
 #include "cc/playback/float_clip_display_item.h"
 #include "cc/playback/transform_display_item.h"
 #include "cc/proto/display_item.pb.h"
 #include "cc/test/fake_client_picture_cache.h"
 #include "cc/test/fake_engine_picture_cache.h"
 #include "cc/test/fake_image_serialization_processor.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/skia_common.h"
+#include "skia/ext/cdl_paint.h"
+#include "skia/ext/cdl_picture_recorder.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkColor.h"
-#include "third_party/skia/include/core/SkPictureRecorder.h"
 #include "third_party/skia/include/core/SkSurface.h"
-
 #include "third_party/skia/include/effects/SkColorMatrixFilter.h"
 #include "third_party/skia/include/effects/SkImageSource.h"
 #include "third_party/skia/include/utils/SkPictureUtils.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/skia_util.h"
 
 namespace cc {
 
 namespace {
 
 const gfx::Rect kVisualRect(0, 0, 42, 42);
 
 scoped_refptr<DisplayItemList> CreateDefaultList() {
   return DisplayItemList::Create(DisplayItemListSettings());
 }
 
-sk_sp<const SkPicture> CreateRectPicture(const gfx::Rect& bounds) {
-  SkPictureRecorder recorder;
-  SkCanvas* canvas = recorder.beginRecording(bounds.width(), bounds.height());
+sk_sp<const CdlPicture> CreateRectPicture(const gfx::Rect& bounds) {
+  CdlPictureRecorder recorder;
+  CdlCanvas* canvas = recorder.beginRecording(bounds.width(), bounds.height());
   canvas->drawRect(
       SkRect::MakeXYWH(bounds.x(), bounds.y(), bounds.width(), bounds.height()),
-      SkPaint());
+      CdlPaint());
   return recorder.finishRecordingAsPicture();
 }
 
 void AppendFirstSerializationTestPicture(scoped_refptr<DisplayItemList> list,
                                          const gfx::Size& layer_size) {
   gfx::PointF offset(2.f, 3.f);
-  SkPictureRecorder recorder;
+  CdlPictureRecorder recorder;
 
-  SkPaint red_paint;
+  CdlPaint red_paint;
   red_paint.setColor(SK_ColorRED);
 
-  SkCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH(
+  CdlCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH(
       offset.x(), offset.y(), layer_size.width(), layer_size.height()));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 4.f, 4.f, red_paint);
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
 }
 
 void AppendSecondSerializationTestPicture(scoped_refptr<DisplayItemList> list,
                                           const gfx::Size& layer_size) {
   gfx::PointF offset(2.f, 2.f);
-  SkPictureRecorder recorder;
+  CdlPictureRecorder recorder;
 
-  SkPaint blue_paint;
+  CdlPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
 
-  SkCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH(
+  CdlCanvas* canvas = recorder.beginRecording(SkRect::MakeXYWH(
       offset.x(), offset.y(), layer_size.width(), layer_size.height()));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(3.f, 3.f, 7.f, 7.f, blue_paint);
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
 }
 
 void ValidateDisplayItemListSerialization(const gfx::Size& layer_size,
                                           scoped_refptr<DisplayItemList> list) {
   list->Finalize();
@@ skipping 186 matching lines @@
   AppendSecondSerializationTestPicture(list, layer_size);
 
   // Build the EndTransformDisplayItem.
   list->CreateAndAppendPairedEndItem<EndTransformDisplayItem>();
 
   ValidateDisplayItemListSerialization(layer_size, list);
 }
 
 TEST(DisplayItemListTest, SingleDrawingItem) {
   gfx::Rect layer_rect(100, 100);
-  SkPictureRecorder recorder;
-  SkPaint blue_paint;
+  CdlPictureRecorder recorder;
+  CdlPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
-  SkPaint red_paint;
+  CdlPaint red_paint;
   red_paint.setColor(SK_ColorRED);
   unsigned char pixels[4 * 100 * 100] = {0};
   DisplayItemListSettings settings;
   settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> list = DisplayItemList::Create(settings);
 
   gfx::PointF offset(8.f, 9.f);
   gfx::RectF recording_rect(offset, gfx::SizeF(layer_rect.size()));
-  SkCanvas* canvas =
+  CdlCanvas* canvas =
       recorder.beginRecording(gfx::RectFToSkRect(recording_rect));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
   list->Finalize();
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
   SkCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRectCoords(0.f + offset.x(), 0.f + offset.y(),
                                  60.f + offset.x(), 60.f + offset.y(),
-                                 red_paint);
+                                 ToSkPaint(red_paint));
   expected_canvas.drawRectCoords(50.f + offset.x(), 50.f + offset.y(),
                                  75.f + offset.x(), 75.f + offset.y(),
-                                 blue_paint);
+                                 ToSkPaint(blue_paint));
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, ClipItem) {
   gfx::Rect layer_rect(100, 100);
-  SkPictureRecorder recorder;
-  SkPaint blue_paint;
+  CdlPictureRecorder recorder;
+  CdlPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
-  SkPaint red_paint;
+  CdlPaint red_paint;
   red_paint.setColor(SK_ColorRED);
   unsigned char pixels[4 * 100 * 100] = {0};
   DisplayItemListSettings settings;
   settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> list = DisplayItemList::Create(settings);
 
   gfx::PointF first_offset(8.f, 9.f);
   gfx::RectF first_recording_rect(first_offset, gfx::SizeF(layer_rect.size()));
-  SkCanvas* canvas =
+  CdlCanvas* canvas =
       recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect));
   canvas->translate(first_offset.x(), first_offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
 
   gfx::Rect clip_rect(60, 60, 10, 10);
   list->CreateAndAppendPairedBeginItem<ClipDisplayItem>(
       clip_rect, std::vector<SkRRect>(), true);
 
@@ skipping 13 matching lines @@
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
   SkCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRectCoords(0.f + first_offset.x(), 0.f + first_offset.y(),
                                  60.f + first_offset.x(),
-                                 60.f + first_offset.y(), red_paint);
+                                 60.f + first_offset.y(), ToSkPaint(red_paint));
   expected_canvas.clipRect(gfx::RectToSkRect(clip_rect));
   expected_canvas.drawRectCoords(
       50.f + second_offset.x(), 50.f + second_offset.y(),
-      75.f + second_offset.x(), 75.f + second_offset.y(), blue_paint);
+      75.f + second_offset.x(), 75.f + second_offset.y(),
+      ToSkPaint(blue_paint));
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, TransformItem) {
   gfx::Rect layer_rect(100, 100);
-  SkPictureRecorder recorder;
-  SkPaint blue_paint;
+  CdlPictureRecorder recorder;
+  CdlPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
-  SkPaint red_paint;
+  CdlPaint red_paint;
   red_paint.setColor(SK_ColorRED);
   unsigned char pixels[4 * 100 * 100] = {0};
   DisplayItemListSettings settings;
   settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> list = DisplayItemList::Create(settings);
 
   gfx::PointF first_offset(8.f, 9.f);
   gfx::RectF first_recording_rect(first_offset, gfx::SizeF(layer_rect.size()));
-  SkCanvas* canvas =
+  CdlCanvas* canvas =
       recorder.beginRecording(gfx::RectFToSkRect(first_recording_rect));
   canvas->translate(first_offset.x(), first_offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, recorder.finishRecordingAsPicture());
 
   gfx::Transform transform;
   transform.Rotate(45.0);
   list->CreateAndAppendPairedBeginItem<TransformDisplayItem>(transform);
 
@@ skipping 13 matching lines @@
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
   SkCanvas expected_canvas(expected_bitmap);
   expected_canvas.clipRect(gfx::RectToSkRect(layer_rect));
   expected_canvas.drawRectCoords(0.f + first_offset.x(), 0.f + first_offset.y(),
                                  60.f + first_offset.x(),
-                                 60.f + first_offset.y(), red_paint);
+                                 60.f + first_offset.y(), ToSkPaint(red_paint));
   expected_canvas.setMatrix(transform.matrix());
   expected_canvas.drawRectCoords(
       50.f + second_offset.x(), 50.f + second_offset.y(),
-      75.f + second_offset.x(), 75.f + second_offset.y(), blue_paint);
+      75.f + second_offset.x(), 75.f + second_offset.y(),
+      ToSkPaint(blue_paint));
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, FilterItem) {
   gfx::Rect layer_rect(100, 100);
   FilterOperations filters;
   unsigned char pixels[4 * 100 * 100] = {0};
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(DisplayItemListSettings());
@@ skipping 16 matching lines @@
   // below.
   sk_sp<SkImageFilter> image_filter = SkImageSource::Make(source_image);
   filters.Append(FilterOperation::CreateReferenceFilter(image_filter));
   filters.Append(FilterOperation::CreateBrightnessFilter(0.5f));
   gfx::RectF filter_bounds(10.f, 10.f, 50.f, 50.f);
   list->CreateAndAppendPairedBeginItem<FilterDisplayItem>(
       filters, filter_bounds, filter_bounds.origin());
 
   // Include a rect drawing so that filter is actually applied to something.
   {
-    SkPictureRecorder recorder;
+    CdlPictureRecorder recorder;
 
-    SkPaint red_paint;
+    CdlPaint red_paint;
     red_paint.setColor(SK_ColorRED);
 
-    SkCanvas* canvas = recorder.beginRecording(
+    CdlCanvas* canvas = recorder.beginRecording(
         SkRect::MakeXYWH(0, 0, layer_rect.width(), layer_rect.height()));
     canvas->drawRectCoords(filter_bounds.x(), filter_bounds.y(),
                            filter_bounds.right(), filter_bounds.bottom(),
                            red_paint);
     list->CreateAndAppendDrawingItem<DrawingDisplayItem>(
         ToNearestRect(filter_bounds), recorder.finishRecordingAsPicture());
   }
 
   list->CreateAndAppendPairedEndItem<EndFilterDisplayItem>();
   list->Finalize();
 
   DrawDisplayList(pixels, layer_rect, list);
 
   SkBitmap expected_bitmap;
   unsigned char expected_pixels[4 * 100 * 100] = {0};
-  SkPaint paint;
+  CdlPaint paint;
   paint.setColor(SkColorSetRGB(64, 64, 64));
   SkImageInfo info =
       SkImageInfo::MakeN32Premul(layer_rect.width(), layer_rect.height());
   expected_bitmap.installPixels(info, expected_pixels, info.minRowBytes());
   SkCanvas expected_canvas(expected_bitmap);
-  expected_canvas.drawRect(RectFToSkRect(filter_bounds), paint);
+  expected_canvas.drawRect(RectFToSkRect(filter_bounds), ToSkPaint(paint));
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, CompactingItems) {
   gfx::Rect layer_rect(100, 100);
-  SkPictureRecorder recorder;
-  SkPaint blue_paint;
+  CdlPictureRecorder recorder;
+  CdlPaint blue_paint;
   blue_paint.setColor(SK_ColorBLUE);
-  SkPaint red_paint;
+  CdlPaint red_paint;
   red_paint.setColor(SK_ColorRED);
   unsigned char pixels[4 * 100 * 100] = {0};
 
   gfx::PointF offset(8.f, 9.f);
   gfx::RectF recording_rect(offset, gfx::SizeF(layer_rect.size()));
 
   DisplayItemListSettings no_caching_settings;
   scoped_refptr<DisplayItemList> list_without_caching =
       DisplayItemList::Create(no_caching_settings);
 
-  SkCanvas* canvas =
+  CdlCanvas* canvas =
       recorder.beginRecording(gfx::RectFToSkRect(recording_rect));
   canvas->translate(offset.x(), offset.y());
   canvas->drawRectCoords(0.f, 0.f, 60.f, 60.f, red_paint);
   canvas->drawRectCoords(50.f, 50.f, 75.f, 75.f, blue_paint);
-  sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
+  sk_sp<CdlPicture> picture = recorder.finishRecordingAsPicture();
   list_without_caching->CreateAndAppendDrawingItem<DrawingDisplayItem>(
       kVisualRect, picture);
   list_without_caching->Finalize();
   DrawDisplayList(pixels, layer_rect, list_without_caching);
 
   unsigned char expected_pixels[4 * 100 * 100] = {0};
   DisplayItemListSettings caching_settings;
   caching_settings.use_cached_picture = true;
   scoped_refptr<DisplayItemList> list_with_caching =
       DisplayItemList::Create(caching_settings);
   list_with_caching->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect,
                                                                     picture);
   list_with_caching->Finalize();
   DrawDisplayList(expected_pixels, layer_rect, list_with_caching);
 
   EXPECT_EQ(0, memcmp(pixels, expected_pixels, 4 * 100 * 100));
 }
 
 TEST(DisplayItemListTest, ApproximateMemoryUsage) {
-  const int kNumCommandsInTestSkPicture = 1000;
-  scoped_refptr<DisplayItemList> list;
-  size_t memory_usage;
+  // TODO(cdl): CDL memory usage.
+  /*
+    const int kNumCommandsInTestSkPicture = 1000;
+    scoped_refptr<DisplayItemList> list;
+    size_t memory_usage;
 
-  // Make an SkPicture whose size is known.
-  gfx::Rect layer_rect(100, 100);
-  SkPictureRecorder recorder;
-  SkPaint blue_paint;
-  blue_paint.setColor(SK_ColorBLUE);
-  SkCanvas* canvas = recorder.beginRecording(gfx::RectToSkRect(layer_rect));
-  for (int i = 0; i < kNumCommandsInTestSkPicture; i++)
-    canvas->drawPaint(blue_paint);
-  sk_sp<SkPicture> picture = recorder.finishRecordingAsPicture();
-  size_t picture_size = SkPictureUtils::ApproximateBytesUsed(picture.get());
-  ASSERT_GE(picture_size, kNumCommandsInTestSkPicture * sizeof(blue_paint));
+    // Make an CdlPicture whose size is known.
+    gfx::Rect layer_rect(100, 100);
+    CdlPictureRecorder recorder;
+    CdlPaint blue_paint;
+    blue_paint.setColor(SK_ColorBLUE);
+    SkCanvas* canvas = recorder.beginRecording(gfx::RectToSkRect(layer_rect));
+    for (int i = 0; i < kNumCommandsInTestSkPicture; i++)
+      canvas->drawPaint(blue_paint);
+    sk_sp<CdlPicture> picture = recorder.finishRecordingAsPicture();
+    size_t picture_size = SkPictureUtils::ApproximateBytesUsed(picture.get());
+    ASSERT_GE(picture_size, kNumCommandsInTestSkPicture * sizeof(blue_paint));
 
-  // Using a cached picture, we should get about the right size.
-  DisplayItemListSettings caching_settings;
-  caching_settings.use_cached_picture = true;
-  list = DisplayItemList::Create(caching_settings);
-  list->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect, picture);
-  list->Finalize();
-  memory_usage = list->ApproximateMemoryUsage();
-  EXPECT_GE(memory_usage, picture_size);
-  EXPECT_LE(memory_usage, 2 * picture_size);
+    // Using a cached picture, we should get about the right size.
+    DisplayItemListSettings caching_settings;
+    caching_settings.use_cached_picture = true;
+    list = DisplayItemList::Create(caching_settings);
+    list->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect, picture);
+    list->Finalize();
+    memory_usage = list->ApproximateMemoryUsage();
+    EXPECT_GE(memory_usage, picture_size);
+    EXPECT_LE(memory_usage, 2 * picture_size);
 
-  // Using no cached picture, we should still get the right size.
-  DisplayItemListSettings no_caching_settings;
-  no_caching_settings.use_cached_picture = false;
-  list = DisplayItemList::Create(no_caching_settings);
-  list->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect, picture);
-  list->Finalize();
-  memory_usage = list->ApproximateMemoryUsage();
-  EXPECT_GE(memory_usage, picture_size);
-  EXPECT_LE(memory_usage, 2 * picture_size);
+    // Using no cached picture, we should still get the right size.
+    DisplayItemListSettings no_caching_settings;
+    no_caching_settings.use_cached_picture = false;
+    list = DisplayItemList::Create(no_caching_settings);
+    list->CreateAndAppendDrawingItem<DrawingDisplayItem>(kVisualRect, picture);
+    list->Finalize();
+    memory_usage = list->ApproximateMemoryUsage();
+    EXPECT_GE(memory_usage, picture_size);
+    EXPECT_LE(memory_usage, 2 * picture_size);
+  */
 }
 
 TEST(DisplayItemListTest, AsValueWithNoItems) {
   scoped_refptr<DisplayItemList> list =
       DisplayItemList::Create(DisplayItemListSettings());
   list->SetRetainVisualRectsForTesting(true);
   list->Finalize();
 
   std::string value = list->AsValue(true)->ToString();
   EXPECT_EQ(value.find("\"layer_rect\": [0,0,0,0]"), std::string::npos);
@@ skipping 348 matching lines @@
   list->CreateAndAppendPairedEndItem<EndClipDisplayItem>();
 
   EXPECT_EQ(4u, list->size());
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(0));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(1));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(2));
   EXPECT_RECT_EQ(filter_bounds, list->VisualRectForTesting(3));
 }
 
 }  // namespace cc