public void Validate_range()
{
var baseDoc = new RejectsDocument(Enumerable.Repeat(1, 100).Select(i => new Reject()).ToList(), false);
var flowDoc = baseDoc.Build();
var paginator = new WrapDocumentPaginator(flowDoc, baseDoc, PageRangeSelection.UserPages, new PageRange(1, 100));
paginator.GetPage(0);
Assert.AreEqual(2, paginator.PageCount);
}
public static RenderTargetBitmap ToBitmap(WrapDocumentPaginator dp, int pageNum, bool contentOnly)
{
var page = dp.GetPage(pageNum);
var pagevisual = page.Visual as ContainerVisual;
var pageSize = page.Size;
if (contentOnly)
{
var rects = new List <Rect>();
foreach (var item in pagevisual.Children)
{
var container = item as ContainerVisual;
var offset = container.Transform;
var containerItem = container.Descendants <ContainerVisual>().ToArray()[1];
var rect = containerItem.DescendantBounds;
rect.Offset(offset.Value.OffsetX, offset.Value.OffsetY);
rects.Add(rect);
}
var pt = new Point {
X = rects.Min(r => r.X),
Y = rects.Min(r => r.Y)
};
pt.X = pt.X < 0 ? 0 : pt.X;
pt.Y = pt.Y < 0 ? 0 : pt.Y;
var maxWidth = rects.Max(r => (r.X + r.Width)) + 2;
var maxHeight = rects.Max(r => (r.Y + r.Height)) + 2;
var size = new Size(maxWidth - pt.X, maxHeight - pt.Y);
pageSize = size;
pagevisual.Offset = new Vector(-pt.X, -pt.Y);
}
var renderBmp = new RenderTargetBitmap((int)pageSize.Width, (int)pageSize.Height, 96d, 96d, PixelFormats.Pbgra32);
renderBmp.Render(pagevisual);
var dWidth = (int)pageSize.Width;
var dHeight = (int)pageSize.Height;
var dStride = dWidth * 4;
byte[] pixels = new byte[dHeight * dStride];
for (var j = 0; j < pixels.Length; j++)
{
pixels[j] = 0xFF;
}
var bg = BitmapSource.Create(dWidth, dHeight, 96, 96, PixelFormats.Pbgra32, null, pixels, dStride);
var dv = new DrawingVisual();
var dc = dv.RenderOpen();
dc.DrawImage(bg, new Rect(0, 0, dWidth, dHeight));
dc.DrawImage(renderBmp, new Rect(0, 0, dWidth, dHeight));
dc.Close();
var resultBitmap = new RenderTargetBitmap((int)dWidth, (int)dHeight, 96d, 96d, PixelFormats.Pbgra32);
resultBitmap.Render(dv);
return(resultBitmap);
}
