/// <summary>
/// Recolors given region to target color.
/// </summary>
/// <param name="region">Given region.</param>
/// <param name="targetColor">Color that given region will be recolored to.</param>
public void Recolor(Region region, Color targetColor)
{
if (region == null)
{
throw new ArgumentException("Region must not be null.");
}
Color?colorOrNull = templateProcessor.GetColor(region);
if (colorOrNull == null)
{
throw new ArgumentException("There is no color matching region passed as parameter.");
}
Recolor(colorOrNull.Value, targetColor);
}
/// <summary>
/// Draws army number onto screen. Respects highlighting.
/// </summary>
/// <param name="region"></param>
/// <param name="army"></param>
public void DrawArmyNumber(Region region, int army)
{
// get color that match the region
Color?colorOrNull = templateProcessor.GetColor(region);
if (colorOrNull == null)
{
return;
}
// source color
Color sourceColor = colorOrNull.Value;
Rectangle rect = new Rectangle(0, 0, templateProcessor.RegionHighlightedImage.Width, templateProcessor.RegionHighlightedImage.Height);
BitmapData bmpData =
templateProcessor.RegionHighlightedImage.LockBits(rect, ImageLockMode.ReadOnly, PixelFormat.Format24bppRgb);
PointF point = default(PointF);
try
{
IntPtr ptr = bmpData.Scan0;
int stride = bmpData.Stride;
var rgbValues = new byte[bmpData.Stride * bmpData.Height];
Marshal.Copy(ptr, rgbValues, 0, rgbValues.Length);
PointF GetMatchingPoint()
{
for (int column = 0; column < bmpData.Height; column++)
{
Color previousColor = default(Color);
for (int row = 0; row < bmpData.Width; row++)
{
byte red = rgbValues[column * stride + row * 3 + 2];
byte green = rgbValues[column * stride + row * 3 + 1];
byte blue = rgbValues[column * stride + row * 3];
Color color = Color.FromArgb(red, green, blue);
// if it is point to draw and its in the correct region, get point coordinates
if (color == Global.TextPlacementColor && previousColor == sourceColor)
{
return(new PointF(row, column));
}
previousColor = color;
}
}
throw new ArgumentException();
}
// get point where to draw the number of armies
point = GetMatchingPoint();
}
finally
{
templateProcessor.RegionHighlightedImage.UnlockBits(bmpData);
}
Graphics gr = Graphics.FromImage(mapImage);
gr.SmoothingMode = SmoothingMode.AntiAlias;
gr.InterpolationMode = InterpolationMode.HighQualityBicubic;
gr.PixelOffsetMode = PixelOffsetMode.HighQuality;
// draw the string onto map
gr.DrawString(army.ToString(),
new Font("Tahoma", 8), Brushes.Black,
point);
gr.Flush();
}
