//add png specific method later
public static void Write(Image img, string filePath)
{
DLLImports.gdImageSaveAlpha(img.gdImageStructPtr, 1);
if (!DLLImports.gdSupportsFileType(filePath, true))
{
throw new InvalidOperationException(SR.Format(SR.FileTypeNotSupported, filePath));
}
else
{
if (!DLLImports.gdImageFile(img.gdImageStructPtr, filePath))
{
throw new FileLoadException(SR.Format(SR.WriteToFileFailed, filePath));
}
}
}
//add jpg specific method later
public static Image Load(string filePath)
{
if (!File.Exists(filePath))
{
throw new FileNotFoundException(string.Format(Strings.MalformedFilePath, filePath));
}
else if (DLLImports.gdSupportsFileType(filePath, false))
{
Image img = new Image(DLLImports.gdImageCreateFromFile(filePath));
if (!img.TrueColor)
{
DLLImports.gdImagePaletteToTrueColor(img.gdImageStructPtr);
}
return(img);
}
else
{
throw new FileLoadException(string.Format(Strings.FileTypeNotSupported, filePath));
}
}
