electron/atom/common/api/atom_api_native_image.cc
2015-02-12 10:45:03 +08:00

77 lines
2.1 KiB
C++

// Copyright (c) 2015 GitHub, Inc.
// Use of this source code is governed by the MIT license that can be
// found in the LICENSE file.
#include "atom/common/api/atom_api_native_image.h"
#include "atom/common/native_mate_converters/gfx_converter.h"
#include "atom/common/native_mate_converters/image_converter.h"
#include "native_mate/constructor.h"
#include "native_mate/dictionary.h"
#include "native_mate/object_template_builder.h"
#include "ui/gfx/geometry/size.h"
#include "atom/common/node_includes.h"
namespace atom {
namespace api {
namespace {
v8::Persistent<v8::ObjectTemplate> template_;
} // namespace
NativeImage::NativeImage(const gfx::Image& image) : image_(image) {}
NativeImage::~NativeImage() {}
mate::ObjectTemplateBuilder NativeImage::GetObjectTemplateBuilder(
v8::Isolate* isolate) {
if (template_.IsEmpty())
template_.Reset(isolate, mate::ObjectTemplateBuilder(isolate)
.SetMethod("toPng", &NativeImage::ToPNG)
.SetMethod("isEmpty", &NativeImage::IsEmpty)
.SetMethod("getSize", &NativeImage::GetSize)
.Build());
return mate::ObjectTemplateBuilder(
isolate, v8::Local<v8::ObjectTemplate>::New(isolate, template_));
}
v8::Handle<v8::Value> NativeImage::ToPNG(v8::Isolate* isolate) {
scoped_refptr<base::RefCountedMemory> png = image_.As1xPNGBytes();
return node::Buffer::New(isolate,
reinterpret_cast<const char*>(png->front()),
png->size());
}
bool NativeImage::IsEmpty() {
return image_.IsEmpty();
}
gfx::Size NativeImage::GetSize() {
return image_.Size();
}
// static
mate::Handle<NativeImage> NativeImage::Create(v8::Isolate* isolate,
const gfx::Image& image) {
return mate::CreateHandle(isolate, new NativeImage(image));
}
} // namespace api
} // namespace atom
namespace {
void Initialize(v8::Handle<v8::Object> exports, v8::Handle<v8::Value> unused,
v8::Handle<v8::Context> context, void* priv) {
}
} // namespace
NODE_MODULE_CONTEXT_AWARE_BUILTIN(atom_common_native_image, Initialize)