cc/resources/picture_unittest.cc

   1 // Copyright 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 #include "cc/resources/picture.h"
   6
   7 #include "base/memory/ref_counted.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "base/values.h"
  10 #include "cc/test/fake_content_layer_client.h"
  11 #include "cc/test/skia_common.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13 #include "third_party/skia/include/core/SkGraphics.h"
  14 #include "ui/gfx/geometry/rect.h"
  15 #include "ui/gfx/skia_util.h"
  16
  17 namespace cc {
  18 namespace {
  19
  20 TEST(PictureTest, AsBase64String) {
  21   SkGraphics::Init();
  22
  23   gfx::Rect layer_rect(100, 100);
  24
  25   gfx::Size tile_grid_size(100, 100);
  26
  27   FakeContentLayerClient content_layer_client;
  28
  29   scoped_ptr<base::Value> tmp;
  30
  31   SkPaint red_paint;
  32   red_paint.setColor(SkColorSetARGB(255, 255, 0, 0));
  33   SkPaint green_paint;
  34   green_paint.setColor(SkColorSetARGB(255, 0, 255, 0));
  35
  36   // Invalid picture (not a dict).
  37   tmp.reset(new base::StringValue("abc!@#$%"));
  38   scoped_refptr<Picture> invalid_picture =
  39       Picture::CreateFromValue(tmp.get());
  40   EXPECT_FALSE(invalid_picture.get());
  41
  42   // Single full-size rect picture.
  43   content_layer_client.add_draw_rect(layer_rect, red_paint);
  44
  45   scoped_refptr<Picture> one_rect_picture =
  46       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
  47                       RecordingSource::RECORD_NORMALLY);
  48   scoped_ptr<base::Value> serialized_one_rect(one_rect_picture->AsValue());
  49
  50   // Reconstruct the picture.
  51   scoped_refptr<Picture> one_rect_picture_check =
  52       Picture::CreateFromValue(serialized_one_rect.get());
  53   EXPECT_TRUE(!!one_rect_picture_check.get());
  54
  55   // Check for equivalence.
  56   unsigned char one_rect_buffer[4 * 100 * 100] = {0};
  57   DrawPicture(one_rect_buffer, layer_rect, one_rect_picture);
  58   unsigned char one_rect_buffer_check[4 * 100 * 100] = {0};
  59   DrawPicture(one_rect_buffer_check, layer_rect, one_rect_picture_check);
  60
  61   EXPECT_EQ(one_rect_picture->LayerRect(), one_rect_picture_check->LayerRect());
  62   EXPECT_EQ(0, memcmp(one_rect_buffer, one_rect_buffer_check, 4 * 100 * 100));
  63
  64   // Two rect picture.
  65   content_layer_client.add_draw_rect(gfx::Rect(25, 25, 50, 50), green_paint);
  66
  67   scoped_refptr<Picture> two_rect_picture =
  68       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
  69                       RecordingSource::RECORD_NORMALLY);
  70
  71   scoped_ptr<base::Value> serialized_two_rect(two_rect_picture->AsValue());
  72
  73   // Reconstruct the picture.
  74   scoped_refptr<Picture> two_rect_picture_check =
  75       Picture::CreateFromValue(serialized_two_rect.get());
  76   EXPECT_TRUE(!!two_rect_picture_check.get());
  77
  78   // Check for equivalence.
  79   unsigned char two_rect_buffer[4 * 100 * 100] = {0};
  80   DrawPicture(two_rect_buffer, layer_rect, two_rect_picture);
  81   unsigned char two_rect_buffer_check[4 * 100 * 100] = {0};
  82   DrawPicture(two_rect_buffer_check, layer_rect, two_rect_picture_check);
  83
  84   EXPECT_EQ(two_rect_picture->LayerRect(), two_rect_picture_check->LayerRect());
  85   EXPECT_EQ(0, memcmp(two_rect_buffer, two_rect_buffer_check, 4 * 100 * 100));
  86 }
  87
  88 TEST(PictureTest, CreateFromSkpValue) {
  89   SkGraphics::Init();
  90
  91   gfx::Rect layer_rect(100, 200);
  92
  93   gfx::Size tile_grid_size(100, 200);
  94
  95   FakeContentLayerClient content_layer_client;
  96
  97   scoped_ptr<base::Value> tmp;
  98
  99   SkPaint red_paint;
 100   red_paint.setColor(SkColorSetARGB(255, 255, 0, 0));
 101   SkPaint green_paint;
 102   green_paint.setColor(SkColorSetARGB(255, 0, 255, 0));
 103
 104   // Invalid picture (not a dict).
 105   tmp.reset(new base::StringValue("abc!@#$%"));
 106   scoped_refptr<Picture> invalid_picture =
 107       Picture::CreateFromSkpValue(tmp.get());
 108   EXPECT_TRUE(!invalid_picture.get());
 109
 110   // Single full-size rect picture.
 111   content_layer_client.add_draw_rect(layer_rect, red_paint);
 112   scoped_refptr<Picture> one_rect_picture =
 113       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
 114                       RecordingSource::RECORD_NORMALLY);
 115   scoped_ptr<base::Value> serialized_one_rect(
 116       one_rect_picture->AsValue());
 117
 118   const base::DictionaryValue* value = NULL;
 119   EXPECT_TRUE(serialized_one_rect->GetAsDictionary(&value));
 120
 121   // Decode the picture from base64.
 122   const base::Value* skp_value;
 123   EXPECT_TRUE(value->Get("skp64", &skp_value));
 124
 125   // Reconstruct the picture.
 126   scoped_refptr<Picture> one_rect_picture_check =
 127       Picture::CreateFromSkpValue(skp_value);
 128   EXPECT_TRUE(!!one_rect_picture_check.get());
 129
 130   EXPECT_EQ(100, one_rect_picture_check->LayerRect().width());
 131   EXPECT_EQ(200, one_rect_picture_check->LayerRect().height());
 132 }
 133
 134 TEST(PictureTest, RecordingModes) {
 135   SkGraphics::Init();
 136
 137   gfx::Rect layer_rect(100, 200);
 138
 139   gfx::Size tile_grid_size(100, 200);
 140
 141   FakeContentLayerClient content_layer_client;
 142   EXPECT_EQ(NULL, content_layer_client.last_canvas());
 143
 144   scoped_refptr<Picture> picture =
 145       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
 146                       RecordingSource::RECORD_NORMALLY);
 147   EXPECT_TRUE(content_layer_client.last_canvas() != NULL);
 148   EXPECT_EQ(ContentLayerClient::PAINTING_BEHAVIOR_NORMAL,
 149             content_layer_client.last_painting_control());
 150   EXPECT_TRUE(picture.get());
 151
 152   picture = Picture::Create(layer_rect, &content_layer_client, tile_grid_size,
 153                             false, RecordingSource::RECORD_WITH_SK_NULL_CANVAS);
 154   EXPECT_TRUE(content_layer_client.last_canvas() != NULL);
 155   EXPECT_EQ(ContentLayerClient::PAINTING_BEHAVIOR_NORMAL,
 156             content_layer_client.last_painting_control());
 157   EXPECT_TRUE(picture.get());
 158
 159   picture =
 160       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
 161                       RecordingSource::RECORD_WITH_PAINTING_DISABLED);
 162   EXPECT_TRUE(content_layer_client.last_canvas() != NULL);
 163   EXPECT_EQ(ContentLayerClient::DISPLAY_LIST_CONSTRUCTION_DISABLED,
 164             content_layer_client.last_painting_control());
 165   EXPECT_TRUE(picture.get());
 166
 167   picture =
 168       Picture::Create(layer_rect, &content_layer_client, tile_grid_size, false,
 169                       RecordingSource::RECORD_WITH_CACHING_DISABLED);
 170   EXPECT_TRUE(content_layer_client.last_canvas() != NULL);
 171   EXPECT_EQ(ContentLayerClient::DISPLAY_LIST_CACHING_DISABLED,
 172             content_layer_client.last_painting_control());
 173   EXPECT_TRUE(picture.get());
 174
 175   EXPECT_EQ(4, RecordingSource::RECORDING_MODE_COUNT);
 176 }
 177
 178 }  // namespace
 179 }  // namespace cc