Convert gfx::Image to NativeImage instance

atom/common/api/atom_api_native_image.cc

@@ -0,0 +1,65 @@
+// 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/image_converter.h"
+#include "native_mate/constructor.h"
+#include "native_mate/dictionary.h"
+#include "native_mate/object_template_builder.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)
+        .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());
+}
+
+// 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)