public override void OnDraw(Graphics2D graphics2D)
{
ImageBuffer widgetsSubImage = ImageBuffer.NewSubImageReference(graphics2D.DestImage, graphics2D.GetClippingRect());
IImageByte backBuffer = widgetsSubImage;
if (!didInit)
{
didInit = true;
OnInitialize();
}
ImageBuffer image;
if (backBuffer.BitDepth == 32)
{
image = new ImageBuffer();
image.Attach(backBuffer, new BlenderBGRA());
}
else
{
if (backBuffer.BitDepth != 24)
{
throw new System.NotSupportedException();
}
image = new ImageBuffer();
image.Attach(backBuffer, new BlenderBGR());
}
ImageClippingProxy clippingProxy = new ImageClippingProxy(image);
clippingProxy.clear(new ColorF(1, 1, 1));
g_rasterizer.SetVectorClipBox(0, 0, Width, Height);
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
if (transformationTypeRadioButton.SelectedIndex == 0)
{
Bilinear tr = new Bilinear(lionShape.Bounds.Left, lionShape.Bounds.Bottom, lionShape.Bounds.Right, lionShape.Bounds.Top, quadPolygonControl.polygon());
if (tr.is_valid())
{
//--------------------------
// Render transformed lion
//
foreach (var shape in lionShape.Shapes)
{
g_rasterizer.add_path(new VertexSourceApplyTransform(shape.VertexStorage, tr));
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, shape.Color);
}
//--------------------------
//--------------------------
// Render transformed ellipse
//
VertexSource.Ellipse ell = new MatterHackers.Agg.VertexSource.Ellipse((lionShape.Bounds.Left + lionShape.Bounds.Right) * 0.5, (lionShape.Bounds.Bottom + lionShape.Bounds.Top) * 0.5,
(lionShape.Bounds.Right - lionShape.Bounds.Left) * 0.5, (lionShape.Bounds.Top - lionShape.Bounds.Bottom) * 0.5,
200);
Stroke ell_stroke = new Stroke(ell);
ell_stroke.width(3.0);
VertexSourceApplyTransform trans_ell = new VertexSourceApplyTransform(ell, tr);
VertexSourceApplyTransform trans_ell_stroke = new VertexSourceApplyTransform(ell_stroke, tr);
g_rasterizer.add_path(trans_ell);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0.5, 0.3, 0.0, 0.3));
g_rasterizer.add_path(trans_ell_stroke);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0.0, 0.3, 0.2, 1.0));
}
}
else
{
Perspective tr = new Perspective(lionShape.Bounds.Left, lionShape.Bounds.Bottom, lionShape.Bounds.Right, lionShape.Bounds.Top, quadPolygonControl.polygon());
if (tr.is_valid())
{
// Render transformed lion
foreach (var shape in lionShape.Shapes)
{
VertexSourceApplyTransform trans = new VertexSourceApplyTransform(shape.VertexStorage, tr);
g_rasterizer.reset();
g_rasterizer.add_path(trans);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, shape.Color);
}
// Render transformed ellipse
VertexSource.Ellipse FilledEllipse = new MatterHackers.Agg.VertexSource.Ellipse((lionShape.Bounds.Left + lionShape.Bounds.Right) * 0.5, (lionShape.Bounds.Bottom + lionShape.Bounds.Top) * 0.5,
(lionShape.Bounds.Right - lionShape.Bounds.Left) * 0.5, (lionShape.Bounds.Top - lionShape.Bounds.Bottom) * 0.5,
200);
Stroke EllipseOutline = new Stroke(FilledEllipse);
EllipseOutline.width(3.0);
VertexSourceApplyTransform TransformedFilledEllipse = new VertexSourceApplyTransform(FilledEllipse, tr);
VertexSourceApplyTransform TransformedEllipesOutline = new VertexSourceApplyTransform(EllipseOutline, tr);
g_rasterizer.add_path(TransformedFilledEllipse);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0.5, 0.3, 0.0, 0.3));
g_rasterizer.add_path(TransformedEllipesOutline);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0.0, 0.3, 0.2, 1.0));
}
}
//--------------------------
// Render the "quad" tool and controls
g_rasterizer.add_path(quadPolygonControl);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0, 0.3, 0.5, 0.6));
//m_trans_type.Render(g_rasterizer, g_scanline, clippingProxy);
base.OnDraw(graphics2D);
}
