public static void DrawImageToSurface(this Texture2D texture, CellSurface surface, Point position, Action<int, Cell, Color> cellProcessor)
{
Color[] pixels = new Color[texture.Width * texture.Height];
texture.GetData<Color>(pixels);
int startX = position.X;
int widthCounter = 0;
for (int i = 0; i < pixels.Length; i++)
{
if (widthCounter >= texture.Width)
{
widthCounter = 0;
position.X = startX;
position.Y++;
}
if (surface.IsValidCell(position.X, position.Y))
{
int destinationIndex = position.ToIndex(surface.Width);
cellProcessor(destinationIndex, surface[destinationIndex], pixels[i]);
}
position.X++;
widthCounter++;
}
}
public static void DrawImageToSurface(this Texture2D texture, CellSurface surface, Point position, bool useBackground, Func<Color, Color, Color> blendOperation = null)
{
Color[] pixels = new Color[texture.Width * texture.Height];
texture.GetData<Color>(pixels);
int startX = position.X;
int widthCounter = 0;
for (int i = 0; i < pixels.Length; i++)
{
if (widthCounter >= texture.Width)
{
widthCounter = 0;
position.X = startX;
position.Y++;
}
if (surface.IsValidCell(position.X, position.Y))
{
int destinationIndex = position.ToIndex(surface.Width);
if (useBackground)
{
if (blendOperation == null)
surface[destinationIndex].Background = pixels[i];
else
surface[destinationIndex].Background = blendOperation(surface[destinationIndex].Background, pixels[i]);
}
else
{
if (blendOperation == null)
surface[destinationIndex].Foreground = pixels[i];
else
surface[destinationIndex].Foreground = blendOperation(surface[destinationIndex].Foreground, pixels[i]);
}
}
position.X++;
widthCounter++;
}
}
