private void pictureBox1_Paint(object sender, PaintEventArgs e)
{
var im = printDocument.Image;
if (im == null)
{
return;
}
// pages
var k = ScaleK;
var clipRec = new RectangleF(e.ClipRectangle.X, e.ClipRectangle.Y, e.ClipRectangle.Width, e.ClipRectangle.Height);
var bRect = new RectangleF(0, 0, pictureBox1.Width, pictureBox1.Height);
Dictionary <int, RectangleF> rects = new Dictionary <int, RectangleF>();
for (int i = 0, n = NumPages; i < n; i++)
{
var rf = DocCoord2ViewCoord(printDocument.GetSrcRect(i, PageSize), k);
if (rf.IntersectsWith(clipRec))
{
rects.Add(i, RectangleF.Intersect(bRect, rf));
}
}
using (var pen = new Pen(Color.Blue, 2))
{
if (rects.Any())
{
DrawPages(e.Graphics, rects, pen);
}
// selection
pen.Width = 1;
pen.Color = Color.Black;
pen.DashStyle = DashStyle.Dash;
if (selection != null && !selection.IsEmpty)
{
e.Graphics.DrawRectangle(pen, selection);
}
}
}
public void Test()
{
using (var bm = new Bitmap(2000, 1000))
using (var pd = new MapPrintDocument())
{
bm.SetResolution(150, 150);
pd.SetImage(bm);
pd.PrintArea = new Rectangle(300, 0, 1700, 1000);
var pageSize = new Size(900, 1300);
int n = pd.GetNumPages(pageSize);
sb.AppendLine("pages: " + n.ToString());
for (int i = 0; i < n; i++)
{
var r = pd.GetSrcRect(i, pageSize);
sb.AppendLine("page " + i.ToString() + ": " + r.ToString());
}
}
}