public override void OnDraw(Graphics2D graphics2D)
{
ImageBuffer widgetsSubImage = ImageBuffer.NewSubImageReference(graphics2D.DestImage, graphics2D.GetClippingRect());
if (!didInit)
{
didInit = true;
OnInitialize();
}
if (m_gamma.Value != m_old_gamma)
{
m_gamma_lut.SetGamma(m_gamma.Value);
ImageIO.LoadImageData("spheres.bmp", m_SourceImage);
//m_SourceImage.apply_gamma_dir(m_gamma_lut);
m_old_gamma = m_gamma.Value;
}
ImageBuffer pixf = new ImageBuffer();
switch (widgetsSubImage.BitDepth)
{
case 24:
pixf.Attach(widgetsSubImage, new BlenderBGR());
break;
case 32:
pixf.Attach(widgetsSubImage, new BlenderBGRA());
break;
default:
throw new NotImplementedException();
}
ImageClippingProxy clippingProxy = new ImageClippingProxy(pixf);
clippingProxy.clear(new ColorF(1, 1, 1));
if (m_trans_type.SelectedIndex < 2)
{
// For the affine parallelogram transformations we
// calculate the 4-th (implicit) point of the parallelogram
m_quad.SetXN(3, m_quad.GetXN(0) + (m_quad.GetXN(2) - m_quad.GetXN(1)));
m_quad.SetYN(3, m_quad.GetYN(0) + (m_quad.GetYN(2) - m_quad.GetYN(1)));
}
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
// draw a background to show how the alpha is working
int RectWidth = 70;
int xoffset = 50;
int yoffset = 50;
for (int i = 0; i < 7; i++)
{
for (int j = 0; j < 7; j++)
{
if ((i + j) % 2 != 0)
{
VertexSource.RoundedRect rect = new VertexSource.RoundedRect(i * RectWidth + xoffset, j * RectWidth + yoffset,
(i + 1) * RectWidth + xoffset, (j + 1) * RectWidth + yoffset, 2);
rect.normalize_radius();
g_rasterizer.add_path(rect);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(.2, .2, .2));
}
}
}
//--------------------------
// Render the "quad" tool and controls
g_rasterizer.add_path(m_quad);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0, 0.3, 0.5, 0.1));
// Prepare the polygon to rasterize. Here we need to fill
// the destination (transformed) polygon.
g_rasterizer.SetVectorClipBox(0, 0, Width, Height);
g_rasterizer.reset();
int b = 0;
g_rasterizer.move_to_d(m_quad.GetXN(0) - b, m_quad.GetYN(0) - b);
g_rasterizer.line_to_d(m_quad.GetXN(1) + b, m_quad.GetYN(1) - b);
g_rasterizer.line_to_d(m_quad.GetXN(2) + b, m_quad.GetYN(2) + b);
g_rasterizer.line_to_d(m_quad.GetXN(3) - b, m_quad.GetYN(3) + b);
//typedef agg::span_allocator<color_type> span_alloc_type;
span_allocator sa = new span_allocator();
image_filter_bilinear filter_kernel = new image_filter_bilinear();
ImageFilterLookUpTable filter = new ImageFilterLookUpTable(filter_kernel, true);
ImageBufferAccessorClamp source = new ImageBufferAccessorClamp(m_SourceImage);
stopwatch.Restart();
switch (m_trans_type.SelectedIndex)
{
case 0:
{
/*
* agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
*
* typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
*/
break;
}
case 1:
{
/*
* agg::trans_affine tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
*
* typedef agg::span_interpolator_linear<agg::trans_affine> interpolator_type;
* typedef image_resample_affine_type<source_type> span_gen_type;
*
* interpolator_type interpolator(tr);
* span_gen_type sg(source, interpolator, filter);
* sg.blur(m_blur.Value);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
*/
break;
}
case 2:
{
/*
* agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* if(tr.is_valid())
* {
* typedef agg::span_interpolator_linear_subdiv<agg::trans_perspective> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
case 3:
{
/*
* agg::trans_perspective tr(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* if(tr.is_valid())
* {
* typedef agg::span_interpolator_trans<agg::trans_perspective> interpolator_type;
* interpolator_type interpolator(tr);
*
* typedef image_filter_2x2_type<source_type,
* interpolator_type> span_gen_type;
* span_gen_type sg(source, interpolator, filter);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
case 4:
{
//typedef agg::span_interpolator_persp_lerp<> interpolator_type;
//typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;
span_interpolator_persp_lerp interpolator = new span_interpolator_persp_lerp(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
span_subdiv_adaptor subdiv_adaptor = new span_subdiv_adaptor(interpolator);
span_image_resample sg = null;
if (interpolator.is_valid())
{
switch (source.SourceImage.BitDepth)
{
case 24:
sg = new span_image_resample_rgb(source, subdiv_adaptor, filter);
break;
case 32:
sg = new span_image_resample_rgba(source, subdiv_adaptor, filter);
break;
}
sg.blur(m_blur.Value);
scanlineRenderer.GenerateAndRender(g_rasterizer, g_scanline, clippingProxy, sa, sg);
}
break;
}
case 5:
{
/*
* typedef agg::span_interpolator_persp_exact<> interpolator_type;
* typedef agg::span_subdiv_adaptor<interpolator_type> subdiv_adaptor_type;
*
* interpolator_type interpolator(m_quad.polygon(), g_x1, g_y1, g_x2, g_y2);
* subdiv_adaptor_type subdiv_adaptor(interpolator);
*
* if(interpolator.is_valid())
* {
* typedef image_resample_type<source_type,
* subdiv_adaptor_type> span_gen_type;
* span_gen_type sg(source, subdiv_adaptor, filter);
* sg.blur(m_blur.Value);
* agg::render_scanlines_aa(g_rasterizer, g_scanline, rb_pre, sa, sg);
* }
*/
break;
}
}
double tm = stopwatch.ElapsedMilliseconds;
//pixf.apply_gamma_inv(m_gamma_lut);
gsv_text t = new gsv_text();
t.SetFontSize(10.0);
Stroke pt = new Stroke(t);
pt.Width = 1.5;
string buf = string.Format("{0:F2} ms", tm);
t.start_point(10.0, 70.0);
t.text(buf);
g_rasterizer.add_path(pt);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new Color(0, 0, 0));
//--------------------------
//m_trans_type.Render(g_rasterizer, g_scanline, clippingProxy);
//m_gamma.Render(g_rasterizer, g_scanline, clippingProxy);
//m_blur.Render(g_rasterizer, g_scanline, clippingProxy);
base.OnDraw(graphics2D);
}
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);
}