public static ImageBuffer TrasparentToColorGradientX(int width, int height, Color color, int distance)
{
var innerGradient = new gradient_x();
var outerGradient = new gradient_clamp_adaptor(innerGradient); // gradient_repeat_adaptor/gradient_reflect_adaptor/gradient_clamp_adaptor
var rect = new RoundedRect(new RectangleDouble(0, 0, width, height), 0);
var ras = new ScanlineRasterizer();
ras.add_path(rect);
var imageBuffer = new ImageBuffer(width, height);
imageBuffer.SetRecieveBlender(new BlenderPreMultBGRA());
var scanlineRenderer = new ScanlineRenderer();
scanlineRenderer.GenerateAndRender(
ras,
new scanline_unpacked_8(),
imageBuffer,
new span_allocator(),
new span_gradient(
new span_interpolator_linear(Affine.NewIdentity()),
outerGradient,
new GradientColors(Enumerable.Range(0, 256).Select(i => new Color(color, i))), // steps from full transparency color to solid color
0,
distance));
return(imageBuffer);
}
public override void OnDraw(Graphics2D graphics2D)
{
ImageBuffer widgetsSubImage = ImageBuffer.NewSubImageReference(graphics2D.DestImage, graphics2D.GetClippingRect());
ScanlineRasterizer ras = new ScanlineRasterizer();
scanline_unpacked_8 sl = new scanline_unpacked_8();
ImageClippingProxy clippingProxy = new ImageClippingProxy(widgetsSubImage);
clippingProxy.clear(new RGBA_Floats(0, 0, 0));
m_profile.text_size(8.0);
// draw a background to show how the alpha is working
int RectWidth = 32;
int xoffset = 238;
int yoffset = 171;
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
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();
ras.add_path(rect);
scanlineRenderer.RenderSolid(clippingProxy, ras, sl, new RGBA_Bytes(.9, .9, .9));
}
}
}
double ini_scale = 1.0;
Transform.Affine mtx1 = Affine.NewIdentity();
mtx1 *= Affine.NewScaling(ini_scale, ini_scale);
mtx1 *= Affine.NewTranslation(center_x, center_y);
VertexSource.Ellipse e1 = new MatterHackers.Agg.VertexSource.Ellipse();
e1.init(0.0, 0.0, 110.0, 110.0, 64);
Transform.Affine mtx_g1 = Affine.NewIdentity();
mtx_g1 *= Affine.NewScaling(ini_scale, ini_scale);
mtx_g1 *= Affine.NewScaling(m_SaveData.m_scale, m_SaveData.m_scale);
mtx_g1 *= Affine.NewScaling(m_scale_x, m_scale_y);
mtx_g1 *= Affine.NewRotation(m_SaveData.m_angle);
mtx_g1 *= Affine.NewTranslation(m_SaveData.m_center_x, m_SaveData.m_center_y);
mtx_g1.invert();
RGBA_Bytes[] color_profile = new RGBA_Bytes[256]; // color_type is defined in pixel_formats.h
for (int i = 0; i < 256; i++)
{
color_profile[i] = new RGBA_Bytes(m_spline_r.spline()[i],
m_spline_g.spline()[i],
m_spline_b.spline()[i],
m_spline_a.spline()[i]);
}
VertexSourceApplyTransform t1 = new VertexSourceApplyTransform(e1, mtx1);
IGradient innerGradient = null;
switch (m_GradTypeRBox.SelectedIndex)
{
case 0:
innerGradient = new gradient_radial();
break;
case 1:
innerGradient = new gradient_diamond();
break;
case 2:
innerGradient = new gradient_x();
break;
case 3:
innerGradient = new gradient_xy();
break;
case 4:
innerGradient = new gradient_sqrt_xy();
break;
case 5:
innerGradient = new gradient_conic();
break;
}
IGradient outerGradient = null;
switch (m_GradWrapRBox.SelectedIndex)
{
case 0:
outerGradient = new gradient_reflect_adaptor(innerGradient);
break;
case 1:
outerGradient = new gradient_repeat_adaptor(innerGradient);
break;
case 2:
outerGradient = new gradient_clamp_adaptor(innerGradient);
break;
}
span_allocator span_alloc = new span_allocator();
color_function_profile colors = new color_function_profile(color_profile, m_profile.gamma());
span_interpolator_linear inter = new span_interpolator_linear(mtx_g1);
span_gradient span_gen = new span_gradient(inter, outerGradient, colors, 0, 150);
ras.add_path(t1);
scanlineRenderer.GenerateAndRender(ras, sl, clippingProxy, span_alloc, span_gen);
base.OnDraw(graphics2D);
}
public override void OnDraw(Graphics2D graphics2D)
{
ImageBuffer widgetsSubImage = ImageBuffer.NewSubImageReference(graphics2D.DestImage, graphics2D.GetClippingRect());
ScanlineRasterizer ras = new ScanlineRasterizer();
scanline_unpacked_8 sl = new scanline_unpacked_8();
ImageClippingProxy clippingProxy = new ImageClippingProxy(widgetsSubImage);
clippingProxy.clear(new RGBA_Floats(0, 0, 0));
m_profile.text_size(8.0);
// draw a background to show how the alpha is working
int RectWidth = 32;
int xoffset = 238;
int yoffset = 171;
ScanlineRenderer scanlineRenderer = new ScanlineRenderer();
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();
ras.add_path(rect);
scanlineRenderer.render_scanlines_aa_solid(clippingProxy, ras, sl, new RGBA_Bytes(.9, .9, .9));
}
}
}
double ini_scale = 1.0;
Transform.Affine mtx1 = Affine.NewIdentity();
mtx1 *= Affine.NewScaling(ini_scale, ini_scale);
mtx1 *= Affine.NewTranslation(center_x, center_y);
VertexSource.Ellipse e1 = new MatterHackers.Agg.VertexSource.Ellipse();
e1.init(0.0, 0.0, 110.0, 110.0, 64);
Transform.Affine mtx_g1 = Affine.NewIdentity();
mtx_g1 *= Affine.NewScaling(ini_scale, ini_scale);
mtx_g1 *= Affine.NewScaling(m_SaveData.m_scale, m_SaveData.m_scale);
mtx_g1 *= Affine.NewScaling(m_scale_x, m_scale_y);
mtx_g1 *= Affine.NewRotation(m_SaveData.m_angle);
mtx_g1 *= Affine.NewTranslation(m_SaveData.m_center_x, m_SaveData.m_center_y);
mtx_g1.invert();
RGBA_Bytes[] color_profile = new RGBA_Bytes[256]; // color_type is defined in pixel_formats.h
for (int i = 0; i < 256; i++)
{
color_profile[i] = new RGBA_Bytes(m_spline_r.spline()[i],
m_spline_g.spline()[i],
m_spline_b.spline()[i],
m_spline_a.spline()[i]);
}
VertexSourceApplyTransform t1 = new VertexSourceApplyTransform(e1, mtx1);
IGradient innerGradient = null;
switch (m_GradTypeRBox.SelectedIndex)
{
case 0:
innerGradient = new gradient_radial();
break;
case 1:
innerGradient = new gradient_diamond();
break;
case 2:
innerGradient = new gradient_x();
break;
case 3:
innerGradient = new gradient_xy();
break;
case 4:
innerGradient = new gradient_sqrt_xy();
break;
case 5:
innerGradient = new gradient_conic();
break;
}
IGradient outerGradient = null;
switch (m_GradWrapRBox.SelectedIndex)
{
case 0:
outerGradient = new gradient_reflect_adaptor(innerGradient);
break;
case 1:
outerGradient = new gradient_repeat_adaptor(innerGradient);
break;
case 2:
outerGradient = new gradient_clamp_adaptor(innerGradient);
break;
}
span_allocator span_alloc = new span_allocator();
color_function_profile colors = new color_function_profile(color_profile, m_profile.gamma());
span_interpolator_linear inter = new span_interpolator_linear(mtx_g1);
span_gradient span_gen = new span_gradient(inter, outerGradient, colors, 0, 150);
ras.add_path(t1);
scanlineRenderer.GenerateAndRender(ras, sl, clippingProxy, span_alloc, span_gen);
base.OnDraw(graphics2D);
}