/// <summary>
/// Renders the glyph to the given surface.
/// </summary>
/// <param name="surface">The target surface.</param>
/// <remarks>
/// If the surface is not large enough, the glyph will be clipped to fit.
/// </remarks>
public void RenderTo(Surface surface)
{
// check for an empty outline, which obviously results in an empty render
if (points.Length <= 0 || contours.Length <= 0)
{
return;
}
// clip against the bounds of the target surface
var width = Math.Min(RenderWidth, surface.Width);
var height = Math.Min(RenderHeight, surface.Height);
if (width <= 0 || height <= 0)
{
return;
}
// walk each contour of the outline and render it
var firstIndex = 0;
renderer.Start(width, height);
for (int i = 0; i < contours.Length; i++)
{
// decompose the contour into drawing commands
var lastIndex = contours[i];
Geometry.DecomposeContour(renderer, firstIndex, lastIndex, points);
// next contour starts where this one left off
firstIndex = lastIndex + 1;
}
// blit the result to the target surface
renderer.BlitTo(surface);
}