// gets a preview image of the style
public Image GetPreview(bool forceUpdate)
{
if (_preview == null || forceUpdate)
{
// draw style preview
Bitmap bmp = new Bitmap(150, 105);
StringFormat sf = StringFormat.GenericTypographic;
using (Graphics g = Graphics.FromImage(bmp))
{
// highest quality we can get
g.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
g.SmoothingMode = SmoothingMode.HighQuality;
// white background
Rectangle rc = new Rectangle(0, 0, bmp.Width, bmp.Height);
g.FillRectangle(Brushes.White, rc);
// content
//rc.Inflate(-3, -3);
rc.Height = 30;
int height = ReportHeader.Render(g, Name, rc);//"Title", rc);
rc.Offset(0, height - 1);
height = PageHeader.Render(g, "Page Header", rc);
rc.Offset(0, height - 1);
height = GroupHeader.Render(g, "Group Header", rc);
rc.Offset(0, height - 1);
height = Detail.Render(g, " Detail", rc);
rc.Offset(0, height - 1);
using (Brush br = new SolidBrush(Detail.AlternateColor))
{
g.FillRectangle(br, rc);
}
}
// draw style preview into template
Bitmap bmpTemplate = StyleSelector.BitmapFromStream("styleTemplate.bmp", Color.Red);
using (Graphics g = Graphics.FromImage(bmpTemplate))
{
Rectangle rc = new Rectangle(0, 71, bmp.Width, bmp.Height);
rc.Offset(+2, +2);
g.FillRectangle(Brushes.DarkGray, rc);
rc.Offset(-2, -2);
g.DrawImageUnscaled(bmp, rc);
g.DrawRectangle(Pens.Black, rc);
}
// save image for next time
_preview = bmpTemplate;
}
// return the value that was asked for
return(_preview);
}
private void btnSelectStyle_Click(object sender, EventArgs e)
{
StyleSelector rw = new StyleSelector();
if (_style != null)
{
rw.SelectedStyle = _style;
}
if (rw.ShowDialog() == DialogResult.OK)
{
_style = rw.SelectedStyle;
if (_style != null && _rep != null)
{
_style.Apply(_rep);
_rep.Render();
}
}
}