private static XnaColor[] ConvertToXnaColors(Color[] deltaColors)
{
var colors = new XnaColor[deltaColors.Length];
for (int index = 0; index < deltaColors.Length; index++)
{
var color = deltaColors[index];
colors[index] = new XnaColor(color.R, color.G, color.B, color.A);
}
return colors;
}
private void SetColor(Color color)
{
if (color == lastColor)
return;
lastColor = color;
brush.Color = new Color4(color.PackedRgba);
device.RenderTarget.AntialiasMode = AntialiasMode.Aliased;
}
private void Reset(Size size)
{
lastColor = Color.Black;
var xScale = (size.Width > 0) ? 2.0f / size.Width : 0.0f;
var yScale = (size.Height > 0) ? 2.0f / size.Height : 0.0f;
var viewportTransform = new Matrix
{
M11 = xScale,
M22 = -yScale,
M33 = 1.0f,
M44 = 1.0f,
M41 = -1.0f,
M42 = 1.0f
};
drawShader.WorldViewProjection = viewportTransform;
}
