Added ImageData

src/ImageData.cc

@@ -0,0 +1,60 @@
+
+//
+// ImageData.cc
+//
+// Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+//
+
+#include "ImageData.h"
+
+/*
+ * Initialize ImageData.
+ */
+
+void
+ImageData::Initialize(Handle<Object> target) {
+  HandleScope scope;
+  Local<FunctionTemplate> t = FunctionTemplate::New(ImageData::New);
+  t->InstanceTemplate()->SetInternalFieldCount(1);
+  t->SetClassName(String::NewSymbol("ImageData"));
+
+  // Prototype
+  Local<ObjectTemplate> proto = t->PrototypeTemplate();
+  proto->SetAccessor(String::NewSymbol("width"), GetWidth);
+  proto->SetAccessor(String::NewSymbol("height"), GetHeight);
+  target->Set(String::NewSymbol("ImageData"), t->GetFunction());
+}
+
+/*
+ * Initialize a new ImageData object.
+ */
+
+Handle<Value>
+ImageData::New(const Arguments &args) {
+  HandleScope scope;
+  // TODO: arg assertions
+  PixelArray *data = ObjectWrap::Unwrap<PixelArray>(args[0]->ToObject());
+  ImageData *imageData = new ImageData(data);
+  imageData->Wrap(args.This());
+  return args.This();
+}
+
+/*
+ * Get width.
+ */
+
+Handle<Value>
+ImageData::GetWidth(Local<String> prop, const AccessorInfo &info) {
+  ImageData *imageData = ObjectWrap::Unwrap<ImageData>(info.This());
+  return Number::New(imageData->pixelArray()->getWidth());
+}
+
+/*
+ * Get height.
+ */
+
+Handle<Value>
+ImageData::GetHeight(Local<String> prop, const AccessorInfo &info) {
+  ImageData *imageData = ObjectWrap::Unwrap<ImageData>(info.This());
+  return Number::New(imageData->pixelArray()->getHeight());
+}

src/ImageData.h

@@ -0,0 +1,28 @@
+
+//
+// ImageData.h
+//
+// Copyright (c) 2010 LearnBoost <tj@learnboost.com>
+//
+
+#ifndef __NODE_IMAGE_DATA_H__
+#define __NODE_IMAGE_DATA_H__
+
+#include "Canvas.h"
+#include "PixelArray.h"
+#include <stdlib.h>
+
+class ImageData: public node::ObjectWrap {
+  public:
+    static void Initialize(Handle<Object> target);
+    static Handle<Value> New(const Arguments &args);
+    static Handle<Value> GetWidth(Local<String> prop, const AccessorInfo &info);
+    static Handle<Value> GetHeight(Local<String> prop, const AccessorInfo &info);
+    inline PixelArray *pixelArray(){ return _arr; }
+    ImageData(PixelArray *arr): _arr(arr) {}
+    ~ImageData() { delete _arr; };
+  private:
+    PixelArray *_arr;
+};
+
+#endif