private void RefreshPreviewImage()
{
if (_previewImage != null)
{
_previewImage.Dispose();
}
NSD.Point dpi;
using (Graphics g = this.CreateGraphics())
dpi = new NSD.Point(g.DpiX, g.DpiY);
using (Doc.Util.C1DXGraphics graphics = new Doc.Util.C1DXGraphics())
{
//
NSD.Size sz = previewPanel.ClientSize;
graphics.BeginGetImage(sz, dpi);
graphics.FillRectangle(Color.White, new NSD.Rect(0, 0, sz.Width, sz.Height));
NSD.Rect previewBounds = new NSD.Rect(c_PreviewOffset, c_PreviewOffset, sz.Width - c_PreviewOffset * 2, sz.Height - c_PreviewOffset * 2);
_previewObject.Style.Borders = _border;
_previewFragment.Draw(graphics, previewBounds, null, null);
using (Doc.C1Image image = graphics.EndGetImage(false))
{
_previewImage = Image.FromStream(image.GetData());
}
}
}
public void DrawEllipse(NSD.Point center, double rx, double ry, double width)
{
//do nothing, QRCode Custom field does not draw ellipses.
}
public void DrawString(string text, NSD.Point point)
{
//do nothing, QRCode Custom field does not draw string.
}
public static Image GetBrushImage(Color backcolor, C1Brush brush, C1.Win.Interop.Size size, C1.Win.Interop.Point dpi)
{
using (var dxGraphics = new C1DXGraphics())
{
dxGraphics.BeginGetImage(size, dpi);
var bounds = new C1.Win.Interop.Rect(0, 0, size.Width, size.Height);
dxGraphics.FillRectangle(backcolor, bounds);
dxGraphics.FillRectangle(brush, bounds);
using (C1Image image = dxGraphics.EndGetImage(false))
{
return(Image.FromStream(image.GetData()));
}
}
}