internal void render_gouraud(IImageByte backBuffer, IScanlineCache sl, IRasterizer ras, RenderPoint[] points)
{
ImageBuffer image = new ImageBuffer();
image.Attach(backBuffer, new BlenderZBuffer());
ImageClippingProxy ren_base = new ImageClippingProxy(image);
MatterHackers.Agg.span_allocator span_alloc = new span_allocator();
span_gouraud_rgba span_gen = new span_gouraud_rgba();
span_gen.colors(points[0].color, points[1].color, points[2].color);
span_gen.triangle(points[0].position.x, points[0].position.y, points[1].position.x, points[1].position.y, points[2].position.x, points[2].position.y);
ras.add_path(span_gen);
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
}
public override void OnDraw(Graphics2D graphics2D)
{
ImageBuffer widgetsSubImage = ImageBuffer.NewSubImageReference(graphics2D.DestImage, graphics2D.GetClippingRect());
IImageByte backBuffer = widgetsSubImage;
#if SourceDepth24
pixfmt_alpha_blend_rgb pf = new pixfmt_alpha_blend_rgb(backBuffer, new blender_bgr());
#else
ImageBuffer pf = new ImageBuffer();
pf.Attach(backBuffer, new BlenderBGRA());
#endif
ImageClippingProxy ren_base = new ImageClippingProxy(pf);
ren_base.clear(new RGBA_Floats(1.0, 1.0, 1.0));
scanline_unpacked_8 sl = new scanline_unpacked_8();
ScanlineRasterizer ras = new ScanlineRasterizer();
#if true
render_gouraud(backBuffer, sl, ras);
#else
agg.span_allocator span_alloc = new span_allocator();
span_gouraud_rgba span_gen = new span_gouraud_rgba(new rgba8(255, 0, 0, 255), new rgba8(0, 255, 0, 255), new rgba8(0, 0, 255, 255), 320, 220, 100, 100, 200, 100, 0);
span_gouraud test_sg = new span_gouraud(new rgba8(0, 0, 0, 255), new rgba8(0, 0, 0, 255), new rgba8(0, 0, 0, 255), 320, 220, 100, 100, 200, 100, 0);
ras.add_path(test_sg);
renderer_scanlines.render_scanlines_aa(ras, sl, ren_base, span_alloc, span_gen);
//renderer_scanlines.render_scanlines_aa_solid(ras, sl, ren_base, new rgba8(0, 0, 0, 255));
#endif
ras.gamma(new gamma_none());
//m_dilation.Render(ras, sl, ren_base);
//m_gamma.Render(ras, sl, ren_base);
//m_alpha.Render(ras, sl, ren_base);
base.OnDraw(graphics2D);
}
//template<class Scanline, class Ras>
public void render_gouraud(IImageByte backBuffer, IScanlineCache sl, IRasterizer ras)
{
double alpha = m_alpha.Value;
double brc = 1;
#if SourceDepth24
pixfmt_alpha_blend_rgb pf = new pixfmt_alpha_blend_rgb(backBuffer, new blender_bgr());
#else
ImageBuffer image = new ImageBuffer();
image.Attach(backBuffer, new BlenderBGRA());
#endif
ImageClippingProxy ren_base = new ImageClippingProxy(image);
MatterHackers.Agg.span_allocator span_alloc = new span_allocator();
span_gouraud_rgba span_gen = new span_gouraud_rgba();
ras.gamma(new gamma_linear(0.0, m_gamma.Value));
double d = m_dilation.Value;
// Six triangles
double xc = (m_x[0] + m_x[1] + m_x[2]) / 3.0;
double yc = (m_y[0] + m_y[1] + m_y[2]) / 3.0;
double x1 = (m_x[1] + m_x[0]) / 2 - (xc - (m_x[1] + m_x[0]) / 2);
double y1 = (m_y[1] + m_y[0]) / 2 - (yc - (m_y[1] + m_y[0]) / 2);
double x2 = (m_x[2] + m_x[1]) / 2 - (xc - (m_x[2] + m_x[1]) / 2);
double y2 = (m_y[2] + m_y[1]) / 2 - (yc - (m_y[2] + m_y[1]) / 2);
double x3 = (m_x[0] + m_x[2]) / 2 - (xc - (m_x[0] + m_x[2]) / 2);
double y3 = (m_y[0] + m_y[2]) / 2 - (yc - (m_y[0] + m_y[2]) / 2);
span_gen.colors(new RGBA_Floats(1, 0, 0, alpha),
new RGBA_Floats(0, 1, 0, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[0], m_y[0], m_x[1], m_y[1], xc, yc, d);
ras.add_path(span_gen);
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
span_gen.colors(new RGBA_Floats(0, 1, 0, alpha),
new RGBA_Floats(0, 0, 1, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[1], m_y[1], m_x[2], m_y[2], xc, yc, d);
ras.add_path(span_gen);
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
span_gen.colors(new RGBA_Floats(0, 0, 1, alpha),
new RGBA_Floats(1, 0, 0, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[2], m_y[2], m_x[0], m_y[0], xc, yc, d);
ras.add_path(span_gen);
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
brc = 1 - brc;
span_gen.colors(new RGBA_Floats(1, 0, 0, alpha),
new RGBA_Floats(0, 1, 0, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[0], m_y[0], m_x[1], m_y[1], x1, y1, d);
ras.add_path(span_gen);
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
span_gen.colors(new RGBA_Floats(0, 1, 0, alpha),
new RGBA_Floats(0, 0, 1, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[1], m_y[1], m_x[2], m_y[2], x2, y2, d);
ras.add_path(span_gen);
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
span_gen.colors(new RGBA_Floats(0, 0, 1, alpha),
new RGBA_Floats(1, 0, 0, alpha),
new RGBA_Floats(brc, brc, brc, alpha));
span_gen.triangle(m_x[2], m_y[2], m_x[0], m_y[0], x3, y3, d);
ras.add_path(span_gen);
scanlineRenderer.GenerateAndRender(ras, sl, ren_base, span_alloc, span_gen);
}
public styles_gouraud(mesh_ctrl mesh, GammaLookUpTable gamma)
{
int i;
for (i = 0; i < mesh.num_triangles(); i++)
{
mesh_triangle t = mesh.triangle(i);
mesh_point p1 = mesh.vertex(t.p1);
mesh_point p2 = mesh.vertex(t.p2);
mesh_point p3 = mesh.vertex(t.p3);
RGBA_Bytes c1 = p1.color;
RGBA_Bytes c2 = p2.color;
RGBA_Bytes c3 = p3.color;
c1.apply_gamma_dir(gamma);
c2.apply_gamma_dir(gamma);
c3.apply_gamma_dir(gamma);
span_gouraud_rgba gouraud = new span_gouraud_rgba(c1, c2, c3,
p1.x, p1.y,
p2.x, p2.y,
p3.x, p3.y);
gouraud.prepare();
m_triangles.Add(gouraud);
}
}
