public override void OnDraw()
{
IPixelFormat pixf;
if (this.bpp() == 32)
{
pixf = new FormatRGBA(rbuf_window(), new BlenderBGRA());
//pixf = new pixfmt_alpha_blend_rgba32(rbuf_window(), new blender_rgba32());
}
else
{
if (bpp() != 24)
{
throw new System.NotSupportedException();
}
pixf = new FormatRGB(rbuf_window(), new BlenderBGR());
}
FormatClippingProxy clippingProxy = new FormatClippingProxy(pixf);
clippingProxy.Clear(new RGBA_Doubles(1, 1, 1));
g_rasterizer.SetVectorClipBox(M.Zero <T>(), M.Zero <T>(), width(), height());
if (m_trans_type.cur_item() == 0)
{
Bilinear <T> tr = new Bilinear <T>(g_x1, g_y1, g_x2, g_y2, m_quad.polygon());
if (tr.IsValid())
{
//--------------------------
// Render transformed lion
//
ConvTransform <T> trans = new ConvTransform <T>(g_path, tr);
Renderer <T> .RenderSolidAllPaths(clippingProxy, g_rasterizer, g_scanline, trans, g_colors, g_path_idx, g_npaths);
//--------------------------
//--------------------------
// Render transformed ellipse
//
VertexSource.Ellipse <T> ell = new AGG.VertexSource.Ellipse <T>(g_x1.Add(g_x2).Multiply(0.5), g_y1.Add(g_y2).Multiply(0.5),
g_x2.Subtract(g_x1).Multiply(0.5), g_y2.Subtract(g_y1).Multiply(0.5),
200);
ConvStroke <T> ell_stroke = new ConvStroke <T>(ell);
ell_stroke.Width = M.New <T>(3.0);
ConvTransform <T> trans_ell = new ConvTransform <T>(ell, tr);
ConvTransform <T> trans_ell_stroke = new ConvTransform <T>(ell_stroke, tr);
g_rasterizer.AddPath(trans_ell);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0.5, 0.3, 0.0, 0.3));
g_rasterizer.AddPath(trans_ell_stroke);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0.0, 0.3, 0.2, 1.0));
}
}
else
{
Perspective <T> tr = new Perspective <T>(g_x1, g_y1, g_x2, g_y2, m_quad.polygon());
if (tr.IsValid())
{
// Render transformed lion
ConvTransform <T> trans = new ConvTransform <T>(g_path, tr);
Renderer <T> .RenderSolidAllPaths(clippingProxy, g_rasterizer, g_scanline, trans, g_colors, g_path_idx, g_npaths);
// Render transformed ellipse
VertexSource.Ellipse <T> FilledEllipse = new AGG.VertexSource.Ellipse <T>(g_x1.Add(g_x2).Multiply(0.5), g_y1.Add(g_y2).Multiply(0.5),
g_x2.Subtract(g_x1).Multiply(0.5), g_y2.Subtract(g_y1).Multiply(0.5),
200);
ConvStroke <T> EllipseOutline = new ConvStroke <T>(FilledEllipse);
EllipseOutline.Width = M.New <T>(3.0);
ConvTransform <T> TransformedFilledEllipse = new ConvTransform <T>(FilledEllipse, tr);
ConvTransform <T> TransformedEllipesOutline = new ConvTransform <T>(EllipseOutline, tr);
g_rasterizer.AddPath(TransformedFilledEllipse);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0.5, 0.3, 0.0, 0.3));
g_rasterizer.AddPath(TransformedEllipesOutline);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0.0, 0.3, 0.2, 1.0));
}
}
//--------------------------
// Render the "quad" tool and controls
g_rasterizer.AddPath(m_quad);
Renderer <T> .RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(0, 0.3, 0.5, 0.6));
//m_trans_type.Render(g_rasterizer, g_scanline, clippingProxy);
base.OnDraw();
}
void DrawingPanel_Paint(object sender, PaintEventArgs e)
{
e.Graphics.SmoothingMode = SmoothingMode.AntiAlias;
Matrix4 mtx = Matrix4.CreateTranslation(-m_SVGPathBounds.Center.X, -m_SVGPathBounds.Center.Y);
mtx.Scale(m_Scale, m_Scale, MatrixOrder.Append);
mtx.Translate(m_x, m_y, MatrixOrder.Append);
ITransform transform = null;
if (rbBilinear.IsChecked)
{
Bilinear tr = new Bilinear(
m_SVGPathScaledBounds.Left, m_SVGPathScaledBounds.Top,
m_SVGPathScaledBounds.Right, m_SVGPathScaledBounds.Bottom, m_PolygonElement.Polygon);
if (tr.IsValid)
{
transform = tr;
}
}
else
{
Perspective tr = new Perspective(
m_SVGPathScaledBounds.Left, m_SVGPathScaledBounds.Top,
m_SVGPathScaledBounds.Right, m_SVGPathScaledBounds.Bottom, m_PolygonElement.Polygon);
if (tr.IsValid() &&
Perspective.IsConvex(m_PolygonElement.Polygon))
{
transform = tr;
}
}
//
GeometryTransformer transformer = null;
if (transform != null)
{
transformer = new GeometryTransformer(transform);
}
// Render transformed SVG
m_SVGPath.Render(e.Graphics, mtx, transformer);
// Render transformed ellipse
Point center = m_SVGPathScaledBounds.Center;
EllipseGeometry FilledEllipse = new EllipseGeometry(center.X, center.Y, m_SVGPathScaledBounds.Width / 2, m_SVGPathScaledBounds.Height / 2, 200);
GeometryStroke EllipseOutline = new GeometryStroke(FilledEllipse);
EllipseOutline.Width = 3.0;
Geometry TransformedFilledEllipse = FilledEllipse;
Geometry TransformedEllipesOutline = EllipseOutline;
if (transform != null)
{
TransformedFilledEllipse = new GeometryTransformer(FilledEllipse, transform);
TransformedEllipesOutline = new GeometryTransformer(EllipseOutline, transform);
}
SmoothingMode saveSmoothingMode = e.Graphics.SmoothingMode;
e.Graphics.SmoothingMode = SmoothingMode.None;
{
e.Graphics.FillGeometry(m_EllipseBrush, TransformedFilledEllipse);
}
e.Graphics.SmoothingMode = saveSmoothingMode;
e.Graphics.FillGeometry(m_EllipsePen.Color, TransformedEllipesOutline);
}
