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 RGBA_Floats(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 RGBA_Bytes(.2, .2, .2));
}
}
}
//--------------------------
// Render the "quad" tool and controls
g_rasterizer.add_path(m_quad);
scanlineRenderer.RenderSolid(clippingProxy, g_rasterizer, g_scanline, new RGBA_Bytes(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 RGBA_Bytes(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;
IImageByte destImage = backBuffer;
ImageClippingProxy clippingProxy = new ImageClippingProxy(destImage);
clippingProxy.clear(new RGBA_Floats(0, 0, 0));
ScanlineRasterizer ras = new ScanlineRasterizer();
scanline_unpacked_8 sl = new scanline_unpacked_8();
scanline_bin sl_bin = new scanline_bin();
rasterizer_compound_aa rasc = new rasterizer_compound_aa();
span_allocator alloc = new span_allocator();
int i;
styles_gouraud styles = new styles_gouraud(m_mesh, m_gamma);
stopwatch.Restart();
rasc.reset();
//rasc.clip_box(40, 40, width() - 40, height() - 40);
for (i = 0; i < m_mesh.num_edges(); i++)
{
mesh_edge e = m_mesh.edge(i);
mesh_point p1 = m_mesh.vertex(e.p1);
mesh_point p2 = m_mesh.vertex(e.p2);
rasc.styles(e.tl, e.tr);
rasc.move_to_d(p1.x, p1.y);
rasc.line_to_d(p2.x, p2.y);
}
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
scanlineRenderer.RenderCompound(rasc, sl, sl_bin, clippingProxy, alloc, styles);
double tm = stopwatch.ElapsedMilliseconds;
gsv_text t = new gsv_text();
t.SetFontSize(10.0);
Stroke pt = new Stroke(t);
pt.width(1.5);
pt.line_cap(LineCap.Round);
pt.line_join(LineJoin.Round);
string buf = string.Format("{0:F2} ms, {1} triangles, {2:F0} tri/sec",
tm,
m_mesh.num_triangles(),
m_mesh.num_triangles() / tm * 1000.0);
t.start_point(10.0, 10.0);
t.text(buf);
ras.add_path(pt);
scanlineRenderer.RenderSolid(clippingProxy, ras, sl, new RGBA_Bytes(255, 255, 255));
if (m_gamma.GetGamma() != 1.0)
{
((ImageBuffer)destImage).apply_gamma_inv(m_gamma);
}
base.OnDraw(graphics2D);
}