private void saveButton_Click(object sender, EventArgs e)
{
if (renderTarget == null)
{
// Should not happen
MessageBox.Show("Unable to save file.");
return;
}
SaveFileDialog saveDlg = new SaveFileDialog();
saveDlg.Filter = "Bitmap image (*.bmp)|*.bmp|Png image (*.png)|*.png|Jpeg image (*.jpg)|*.jpg|Gif image (*.gif)|*.gif";
if (DialogResult.OK == saveDlg.ShowDialog())
{
SizeU size = new SizeU((uint)ClientSize.Width, (uint)ClientSize.Height);
ImagingBitmap wicBitmap = wicFactory.CreateImagingBitmap(
size.Width,
size.Height,
PixelFormats.Bgr32Bpp,
BitmapCreateCacheOption.CacheOnLoad);
D2DBitmap d2dBitmap = renderTarget.CreateBitmap(size, new BitmapProperties(new PixelFormat(Microsoft.WindowsAPICodePack.DirectX.Graphics.Format.B8G8R8A8UNorm, AlphaMode.Ignore), renderTarget.Dpi.X, renderTarget.Dpi.Y));
d2dBitmap.CopyFromRenderTarget(renderTarget);
RenderTarget wicRenderTarget =
d2dFactory.CreateWicBitmapRenderTarget(wicBitmap, renderProps);
wicRenderTarget.BeginDraw();
wicRenderTarget.DrawBitmap(d2dBitmap);
wicRenderTarget.EndDraw();
Guid fileType;
switch (saveDlg.FilterIndex)
{
case 1: fileType = ContainerFormats.Bmp;
break;
case 2: fileType = ContainerFormats.Png;
break;
case 3: fileType = ContainerFormats.Jpeg;
break;
case 4: fileType = ContainerFormats.Gif;
break;
default: fileType = ContainerFormats.Bmp; // default to bitmap files
break;
}
wicBitmap.SaveToFile(wicFactory, fileType, saveDlg.FileName);
}
}