public static void Write(Image bmp, Stream stream)
{
DLLImports.gdImageSaveAlpha(bmp.gdImageStructPtr, 1);
//MARSHALLING?
DLLImports.gdImageStruct gdImageStruct = Marshal.PtrToStructure <DLLImports.gdImageStruct>(bmp.gdImageStructPtr);
var wrapper = new gdStreamWrapper(stream);
DLLImports.gdImagePngCtx(ref gdImageStruct, ref wrapper.IOCallbacks);
}
//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));
}
}
}