public Rhino.Render.RenderTexture GetRenderTexture(int textureIndex)
{
System.Drawing.Bitmap bmp = GetTextureBitmap(textureIndex, out string name);
if (bmp == null)
{
return(null);
}
Rhino.Render.RenderTexture renderTexture = Rhino.Render.RenderTexture.NewBitmapTexture(bmp, doc);
renderTexture.BeginChange(Rhino.Render.RenderContent.ChangeContexts.Program);
renderTexture.Name = name;
renderTexture.EndChange();
return(renderTexture);
}
public Rhino.Render.RenderTexture GetRenderTexture(int textureIndex, Rhino.Display.Color4f factor)
{
System.Drawing.Bitmap bmp = GetTextureBitmap(textureIndex, out string name);
if (bmp == null)
{
return(null);
}
int width = bmp.Width;
int height = bmp.Height;
System.Drawing.Bitmap resolvedBmp = new System.Drawing.Bitmap(width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
Rhino.Display.Color4f colorAt = new Rhino.Display.Color4f(bmp.GetPixel(i, j));
float r = GltfUtils.Clamp(colorAt.R * factor.R, 0.0f, 1.0f);
float g = GltfUtils.Clamp(colorAt.G * factor.G, 0.0f, 1.0f);
float b = GltfUtils.Clamp(colorAt.B * factor.B, 0.0f, 1.0f);
float a = GltfUtils.Clamp(colorAt.A * factor.A, 0.0f, 1.0f);
Rhino.Display.Color4f colorFinal = new Rhino.Display.Color4f(r, g, b, a);
resolvedBmp.SetPixel(i, j, colorFinal.AsSystemColor());
}
}
Rhino.Render.RenderTexture renderTexture = Rhino.Render.RenderTexture.NewBitmapTexture(resolvedBmp, doc);
renderTexture.BeginChange(Rhino.Render.RenderContent.ChangeContexts.Program);
renderTexture.Name = name;
renderTexture.EndChange();
return(renderTexture);
}
public Rhino.Render.RenderTexture GetRenderTextureFromChannel(int textureIndex, RgbaChannel channel)
{
System.Drawing.Bitmap bmp = GetTextureBitmap(textureIndex, out string name);
if (bmp == null)
{
return(null);
}
int width = bmp.Width;
int height = bmp.Height;
System.Drawing.Bitmap resolvedBmp = new System.Drawing.Bitmap(width, height);
for (int i = 0; i < width; i++)
{
for (int j = 0; j < height; j++)
{
System.Drawing.Color color = bmp.GetPixel(i, j);
System.Drawing.Color colorResolved = GetColorFromChannel(color, channel);
resolvedBmp.SetPixel(i, j, colorResolved);
}
}
Rhino.Render.RenderTexture renderTexture = Rhino.Render.RenderTexture.NewBitmapTexture(resolvedBmp, doc);
renderTexture.BeginChange(Rhino.Render.RenderContent.ChangeContexts.Program);
renderTexture.Name = name;
renderTexture.EndChange();
return(renderTexture);
}