public static IBitmap AddLayer(this IBitmap bitmap, Bytemap layer, int left = 0, int top = 0, bool dispose = false)
{
if (layer == null)
{
return(bitmap);
}
for (int yy = 0; yy < layer.Height; yy++)
{
if (top + yy >= bitmap.Height())
{
break;
}
if (bitmap.OutBoundY(top + yy))
{
continue;
}
for (int xx = 0; xx < layer.Width; xx++)
{
if (left + xx >= bitmap.Width())
{
break;
}
if (layer[xx, yy] == 0 || bitmap.OutBoundX(left + xx))
{
continue;
}
bitmap.Bitmap[left + xx, top + yy] = layer[xx, yy];
}
}
if (dispose)
{
layer.Dispose();
}
return(bitmap);
}
public static IBitmap DrawRectangle3D(this IBitmap bitmap, int left = 0, int top = 0, int width = -1, int height = -1, byte colourLight = 15, byte colourDark = 8)
{
if (width < 0)
{
width = bitmap.Width() - left;
}
if (height < 0)
{
height = bitmap.Height() - top;
}
int ww = (left + width - 1), hh = (top + height - 1);
for (int yy = top; yy <= hh; yy++)
{
if (yy >= bitmap.Height())
{
break;
}
if (bitmap.OutBoundY(yy))
{
continue;
}
for (int xx = left; xx <= ww; xx++)
{
if (xx >= bitmap.Width())
{
break;
}
if (bitmap.OutBoundX(xx))
{
continue;
}
if (yy == top || xx == ww)
{
bitmap.Bitmap[xx, yy] = colourDark;
}
else if (yy == hh || xx == left)
{
bitmap.Bitmap[xx, yy] = colourLight;
}
}
}
return(bitmap);
}
public static IBitmap Tile(this IBitmap bitmap, Bytemap layer, int left = 0, int top = 0, int width = -1, int height = -1)
{
if (layer == null)
{
return(bitmap);
}
if (width == -1)
{
width = bitmap.Width() - left;
}
if (height == -1)
{
height = bitmap.Height() - top;
}
for (int yy = 0; yy < height; yy++)
{
if (top + yy >= bitmap.Height())
{
break;
}
if (bitmap.OutBoundY(top + yy))
{
continue;
}
for (int xx = 0; xx < width; xx++)
{
if (left + xx >= bitmap.Width())
{
break;
}
if (layer[xx % layer.Width, yy % layer.Height] == 0 || bitmap.OutBoundX(left + xx))
{
continue;
}
bitmap.Bitmap[left + xx, top + yy] = layer[xx % layer.Width, yy % layer.Height];
}
}
return(bitmap);
}
