public void Convert(string source, string destination, string type)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(source);
StrategyContext context;
switch (type.ToLower())
{
case "jpeg":
case "jpg":
context = new StrategyContext(new ConvertToJpeg());
break;
case "gif":
context = new StrategyContext(new ConvertToGif());
break;
case "png":
context = new StrategyContext(new ConvertToPng());
break;
default:
throw new Exception("Wrong file format chosen!");
}
context.ConvertImage(image, destination);
}
public void Convert(string source, string destination, string type)
{
//byte[] img_bytes = File.ReadAllBytes(source); //read img file into memory
//MemoryStream img_ms = new MemoryStream(img_bytes);
//Image img = Image.FromStream(img_ms);
//MemoryStream save_ms = new MemoryStream();
//((Bitmap)img).Save(save_ms, ImageFormat.Jpeg);
//byte[] resaved_img = save_ms.ToByteArray();
//create object from source file
Image image = Image.FromFile(source);
//implement context strategy from context using IMG object instead of source...
StrategyContext context;
switch (type.ToLower())
{
case "jpeg":
case "jpg":
context = new StrategyContext(new ConvertToJpeg());
break;
case "gif":
context = new StrategyContext(new ConvertToGif());
break;
case "png":
context = new StrategyContext(new ConvertToPng());
break;
default:
throw new Exception("Wrong file format chosen!");
}
context.ConvertImage(image, destination);
}
