1 files changed, 72 insertions, 0 deletions
diff --git a/example/HelloWorld.h b/example/HelloWorld.h
new file mode 100644
index 0000000000..e5cde271bf
--- /dev/null
+++ b/example/HelloWorld.h
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2015 Google Inc.
+ *
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ */
+
+#ifndef HelloWorld_DEFINED
+#define HelloWorld_DEFINED
+
+#include "SkSurface.h"
+#include "SkWindow.h"
+
+class GrContext;
+struct GrGLInterface;
+class GrRenderTarget;
+class SkCanvas;
+
+class HelloWorldWindow : public SkOSWindow {
+public:
+    enum DeviceType {
+        kRaster_DeviceType,
+        kGPU_DeviceType,
+    };
+    HelloWorldWindow(void* hwnd);
+    virtual ~HelloWorldWindow() SK_OVERRIDE;
+
+    // Changes the device type of the object.
+    bool setUpBackend();
+
+    DeviceType getDeviceType() const { return fType; }
+
+protected:
+    SkSurface* createSurface() SK_OVERRIDE {
+        if (kGPU_DeviceType == fType) {
+            SkSurfaceProps props(INHERITED::getSurfaceProps());
+            return SkSurface::NewRenderTargetDirect(fRenderTarget, &props);
+        }
+        static const SkImageInfo info = SkImageInfo::MakeN32Premul(
+                SkScalarRoundToInt(this->width()), SkScalarRoundToInt(this->height()));
+        return fSurface = SkSurface::NewRaster(info);
+   }
+
+    void draw(SkCanvas* canvas) SK_OVERRIDE;
+    void drawContents(SkCanvas* canvas);
+
+    void onSizeChange() SK_OVERRIDE;
+
+private:
+    bool findNextMatch();  // Set example to the first one that matches FLAGS_match.
+    void setTitle();
+    void setUpRenderTarget();
+    bool onHandleChar(SkUnichar unichar) SK_OVERRIDE;
+    void tearDownBackend();
+
+    // draw contents
+    SkScalar fRotationAngle;
+
+    // support framework
+    DeviceType fType;
+    SkSurface* fSurface;
+    GrContext* fContext;
+    GrRenderTarget* fRenderTarget;
+    AttachmentInfo fAttachmentInfo;
+    const GrGLInterface* fInterface;
+
+    typedef SkOSWindow INHERITED;
+};
+
+#endif