internal static extern IntPtr gflAllockBitmap(GFL_BITMAP_TYPE bitmap_type, Int32 width, Int32 height, UInt32 line_padding, ref GFL_COLOR color);
private static extern GFL_ERROR gflRotate(IntPtr src, IntPtr dst, int angle, ref GFL_COLOR bgColor);
private static extern GFL_ERROR gflRotateFine( IntPtr src,IntPtr dst, double angle,ref GFL_COLOR bgColor);
internal static extern GFL_ERROR gflRotateFine(GFL_BITMAP src, ref GFL_BITMAP dst, double angle,ref GFL_COLOR bgColor);
internal static GFL_ERROR gflRotateFine(IntPtr src,double angle, ref GFL_COLOR bgColor)
{
IntPtr nullPointer = IntPtr.Zero ;
return gflRotateFine(src, nullPointer, angle, ref bgColor);
}
public GflImage(int width, int height, UInt32 stride, GFL_BITMAP_TYPE type)
{
GFL_COLOR c = new GFL_COLOR(Color.White) ;
m_gfl_bitmap = GflAPI.gflAllockBitmap(type, width, height, stride, ref c);
RefreshStruct();
}
internal void Rotate(double angle, Color color, GflImage final)
{
var c = new GFL_COLOR(color);
HandleError(GflAPI.gflRotateFine(m_gfl_bitmap, ref final.m_gfl_bitmap, angle, ref c));
final.RefreshStruct();
}
public GflImage RotateNew(double angle, Color bgColor)
{
var img = new Gfl.GflImage(1, 1, (UInt32)this.m_gfl_bitmap_struct.LinePadding, this.m_gfl_bitmap_struct.Type);
GFL_COLOR c = new GFL_COLOR(bgColor);
var err = GflAPI.gflRotateFine(m_gfl_bitmap, ref img.m_gfl_bitmap, angle, ref c);
if (err != GFL_ERROR.GFL_NO_ERROR)
throw new APIException(err.ToString());
img.RefreshStruct();
return img;
}
public void Rotate(int angle, Color bgColor)
{
GFL_COLOR c = new GFL_COLOR(bgColor);
HandleError(GflAPI.gflRotate(m_gfl_bitmap, angle, ref c));
RefreshStruct();
}
public void Rotate(double angle, Color bgColor)
{
GFL_COLOR c = new GFL_COLOR(bgColor);
var err = GflAPI.gflRotateFine(m_gfl_bitmap,angle,ref c);
if (err != GFL_ERROR.GFL_NO_ERROR)
throw new APIException(err.ToString());
RefreshStruct();
}