public static Image GetImageById(string imageId)
{
Bitmap returnvalue = null;
try
{
var path = ImagePath + imageId + ".";
if (!imageCache.TryGetValue(path, out returnvalue))
{
if (File.Exists(path + "jpg"))
{
returnvalue = (Bitmap)CT_Helper.resizeImage(Image.FromFile(path + "jpg", true), bitmapSize);
}
else if (File.Exists(path + "jpeg"))
{
returnvalue = (Bitmap)CT_Helper.resizeImage(Image.FromFile(path + "jpeg", true), bitmapSize);
}
imageCache.Add(path, returnvalue);
}
}
catch (Exception)
{
}
return(returnvalue);
}
public Image DrawImage(Size size)
{
Dictionary <String, Bitmap> cache = new Dictionary <string, Bitmap>();
Bitmap returnvalue = new Bitmap(size.Width, size.Height, PixelFormat.Format32bppPArgb);
Graphics g = Graphics.FromImage(returnvalue);
for (var x = 0; x < MapGrid.GridElementCollection.Length; x++)
{
var row = MapGrid.GridElementCollection[x];
for (var y = 0; y < row.Length; y++)
{
Bitmap image;
var gridElement = row[y];
var elementWidth = (int)(Math.Ceiling((MapGrid.Width / row.Length) * getScaleFactorWidth(size.Width)));
var elementHeight = (int)(Math.Ceiling((MapGrid.Height / MapGrid.GridElementCollection.Length) * getScaleFactorHeight(size.Height)));
if (!cache.TryGetValue(gridElement.ImageId, out image))
{
image = (Bitmap)MapParser.GetImageById(gridElement.ImageId);
image = (Bitmap)CT_Helper.resizeImage(image, new Size(elementWidth, elementHeight));
cache.Add(gridElement.ImageId, image);
}
//image = (Bitmap)image.GetThumbnailImage(elementWidth, elementHeight, null, IntPtr.Zero);
g.DrawImageUnscaled(image, elementWidth * x, elementHeight * y);
/* for (var bx = 0; bx < elementWidth; bx++)
* {
* for (var by = 0; by < elementHeight; by++)
* {
* var cl = image.GetPixel(bx, by);
* returnvalue.SetPixel(bx + (elementWidth * x), by + (elementHeight * y), cl);
* }
* } */
}
}
return(returnvalue);
}