public GDIBitmapExportContext(int width, int height, float displayScale = 1, int dpi = 72, bool disposeBitmap = true) : base(width, height, dpi)
{
_disposeBitmap = disposeBitmap;
_bitmap = new Bitmap(width, height);
_canvas = new GDICanvas
{
Graphics = System.Drawing.Graphics.FromImage(_bitmap),
DisplayScale = displayScale
};
}
public override void Dispose()
{
_canvas = null;
if (_bitmap != null && _disposeBitmap)
{
_bitmap.Dispose();
_bitmap = null;
}
base.Dispose();
}