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// Copyright 2013 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/test/layer_tree_json_parser.h"
#include "base/test/values_test_util.h"
#include "base/values.h"
#include "cc/content_layer.h"
#include "cc/layer.h"
#include "cc/nine_patch_layer.h"
#include "cc/solid_color_layer.h"
namespace cc {
namespace {
scoped_refptr<Layer> ParseTreeFromValue(base::Value* val,
ContentLayerClient* content_client) {
DictionaryValue* dict;
bool success = true;
success &= val->GetAsDictionary(&dict);
std::string layer_type;
success &= dict->GetString("LayerType", &layer_type);
ListValue* list;
success &= dict->GetList("Bounds", &list);
int width, height;
success &= list->GetInteger(0, &width);
success &= list->GetInteger(1, &height);
success &= dict->GetList("Position", &list);
double position_x, position_y;
success &= list->GetDouble(0, &position_x);
success &= list->GetDouble(1, &position_y);
bool draws_content;
success &= dict->GetBoolean("DrawsContent", &draws_content);
scoped_refptr<Layer> new_layer;
if (layer_type == "SolidColorLayer") {
new_layer = SolidColorLayer::Create();
} else if (layer_type == "ContentLayer") {
new_layer = ContentLayer::Create(content_client);
} else if (layer_type == "NinePatchLayer") {
success &= dict->GetList("ImageAperture", &list);
int aperture_x, aperture_y, aperture_width, aperture_height;
success &= list->GetInteger(0, &aperture_x);
success &= list->GetInteger(1, &aperture_y);
success &= list->GetInteger(2, &aperture_width);
success &= list->GetInteger(3, &aperture_height);
success &= dict->GetList("ImageBounds", &list);
int image_width, image_height;
success &= list->GetInteger(0, &image_width);
success &= list->GetInteger(1, &image_height);
scoped_refptr<NinePatchLayer> nine_patch_layer = NinePatchLayer::Create();
SkBitmap bitmap;
bitmap.setConfig(SkBitmap::kARGB_8888_Config, image_width, image_height);
bitmap.allocPixels(NULL, NULL);
nine_patch_layer->SetBitmap(bitmap,
gfx::Rect(aperture_x, aperture_y, aperture_width, aperture_height));
new_layer = nine_patch_layer;
} else { // Type "Layer" or "unknown"
new_layer = Layer::Create();
}
new_layer->SetAnchorPoint(gfx::Point());
new_layer->SetPosition(gfx::PointF(position_x, position_y));
new_layer->SetBounds(gfx::Size(width, height));
new_layer->SetIsDrawable(draws_content);
double opacity;
if (dict->GetDouble("Opacity", &opacity))
new_layer->SetOpacity(opacity);
success &= dict->GetList("DrawTransform", &list);
double transform[16];
for (int i = 0; i < 16; ++i)
success &= list->GetDouble(i, &transform[i]);
gfx::Transform gfxTransform;
gfxTransform.matrix().setColMajord(transform);
new_layer->SetTransform(gfxTransform);
success &= dict->GetList("Children", &list);
for (ListValue::const_iterator it = list->begin();
it != list->end(); ++it) {
new_layer->AddChild(ParseTreeFromValue(*it, content_client));
}
if (!success)
return NULL;
return new_layer;
}
} // namespace
scoped_refptr<Layer> ParseTreeFromJson(std::string json,
ContentLayerClient* content_client) {
scoped_ptr<base::Value> val = base::test::ParseJson(json);
return ParseTreeFromValue(val.get(), content_client);
}
} // namespace cc
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