V8 and Skia

experimental/SkV8Example/SkV8Example.cpp

+/*
+ * Copyright 2013 Google Inc.
+ *
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ */
+#include <v8.h>
+
+using namespace v8;
+
+#include "SkV8Example.h"
+
+#include "gl/GrGLUtil.h"
+#include "gl/GrGLDefines.h"
+#include "gl/GrGLInterface.h"
+#include "SkApplication.h"
+#include "SkDraw.h"
+#include "SkGpuDevice.h"
+#include "SkGraphics.h"
+
+
+void application_init() {
+    SkGraphics::Init();
+    SkEvent::Init();
+}
+
+void application_term() {
+    SkEvent::Term();
+    SkGraphics::Term();
+}
+
+SkV8ExampleWindow::SkV8ExampleWindow(void* hwnd)
+    : INHERITED(hwnd) {
+
+    this->setConfig(SkBitmap::kARGB_8888_Config);
+    this->setVisibleP(true);
+    this->setClipToBounds(false);
+}
+
+
+void SkV8ExampleWindow::onDraw(SkCanvas* canvas) {
+  printf("Draw\n");
+
+  canvas->drawColor(SK_ColorWHITE);
+  SkPaint paint;
+  paint.setColor(SK_ColorRED);
+
+  // Draw a rectangle with blue paint
+  SkRect rect = {
+    SkIntToScalar(10), SkIntToScalar(10),
+    SkIntToScalar(128), SkIntToScalar(128)
+  };
+  canvas->drawRect(rect, paint);
+
+  INHERITED::onDraw(canvas);
+}
+
+#ifdef SK_BUILD_FOR_WIN
+void SkV8ExampleWindow::onHandleInval(const SkIRect& rect) {
+    RECT winRect;
+    winRect.top = rect.top();
+    winRect.bottom = rect.bottom();
+    winRect.right = rect.right();
+    winRect.left = rect.left();
+    InvalidateRect((HWND)this->getHWND(), &winRect, false);
+}
+#endif
+
+
+SkOSWindow* create_sk_window(void* hwnd, int argc, char** argv) {
+  printf("Started\n");
+
+  // Get the default Isolate created at startup.
+  Isolate* isolate = Isolate::GetCurrent();
+
+  // Create a stack-allocated handle scope.
+  HandleScope handle_scope(isolate);
+
+  // Create a new context.
+  Handle<Context> context = Context::New(isolate);
+
+  // Here's how you could create a Persistent handle to the context, if needed.
+  Persistent<Context> persistent_context(isolate, context);
+
+  // Enter the created context for compiling and
+  // running the hello world script.
+  Context::Scope context_scope(context);
+
+  // Create a string containing the JavaScript source code.
+  Handle<String> source = String::New("'Hello' + ', World!'");
+
+  // Compile the source code.
+  Handle<Script> script = Script::Compile(source);
+
+  // Run the script to get the result.
+  Handle<Value> result = script->Run();
+
+  // The persistent handle needs to be eventually disposed.
+  persistent_context.Dispose();
+
+  // Convert the result to an ASCII string and print it.
+  String::AsciiValue ascii(result);
+  printf("%s\n", *ascii);
+
+    return new SkV8ExampleWindow(hwnd);
+}