private void GraphicsBox_Render(object sender, GraphicsContextEventArgs e)
{
e.Graphics.Clear();
e.Graphics.ShaderProgram = this.currentShaderProgram;
Vector2 size = new Vector2(this.currentPicture.Width, this.currentPicture.Height);
Samurai.Rectangle viewport = e.Graphics.Viewport;
this.transform.M11 = 2f / viewport.Width;
this.transform.M22 = -2f / viewport.Height;
this.currentShaderProgram.SetValue("vertSize", ref size);
this.currentShaderProgram.SetValue("vertTransform", ref this.transform);
this.currentShaderProgram.SetValue("picture", this.currentPicture);
Vector2 pictureSize = new Vector2(this.currentPicture.Width, this.currentPicture.Height);
this.currentShaderProgram.SetValue("pictureSize", ref pictureSize);
this.currentShaderProgram.SetValue("time", (float)this.stopwatch.ElapsedMilliseconds);
e.Graphics.Draw(PrimitiveType.Triangles, this.vertexBuffer);
}
private void GraphicsBox_GraphicsContextCreated(object sender, GraphicsContextEventArgs e)
{
e.Graphics.ClearColor = Color4.CornflowerBlue;
this.vertexBuffer = new StaticVertexBuffer<Vertex>(e.Graphics, new Vertex[]
{
new Vertex() { Position = Vector2.Zero, TexCoords = Vector2.Zero },
new Vertex() { Position = Vector2.UnitX, TexCoords = Vector2.UnitX },
new Vertex() { Position = Vector2.UnitY, TexCoords = Vector2.UnitY },
new Vertex() { Position = Vector2.UnitY, TexCoords = Vector2.UnitY },
new Vertex() { Position = Vector2.UnitX, TexCoords = Vector2.UnitX },
new Vertex() { Position = Vector2.One, TexCoords = Vector2.One },
});
this.currentShaderProgram = new ShaderProgram(
e.Graphics,
VertexShader.Compile(e.Graphics, vertexShaderCode),
FragmentShader.Compile(e.Graphics, defaultFragmentShaderCode));
this.currentPicture = Texture2D.LoadFromFile(e.Graphics, "SamuraiLogo.png", new TextureParams());
this.stopwatch.Start();
}
protected virtual void OnRender(GraphicsContextEventArgs e)
{
if (this.Render != null)
this.Render(this, e);
}
protected virtual void OnGraphicsContextCreated(GraphicsContextEventArgs e)
{
this.oldWindowWidth = (int)this.ActualWidth;
this.oldWindowHeight = (int)this.ActualHeight;
if (this.GraphicsContextCreated != null)
this.GraphicsContextCreated(this, e);
}
private void Canvas_Render(object sender, GraphicsContextEventArgs e)
{
e.Graphics.Clear();
}
private void Canvas_ContextCreated(object sender, GraphicsContextEventArgs e)
{
}
