private void HandlePrintDocumentPrintPage(object sender, PrintPageEventArgs e)
{
if (_targetCanvas == null)
{
return;
}
var g = e.Graphics;
g.SmoothingMode = SmoothingMode.HighQuality;
g.TextRenderingHint = TextRenderingHint.AntiAlias;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.CompositingQuality = CompositingQuality.HighQuality;
g.PixelOffsetMode = PixelOffsetMode.Default;
var pages = _targetCanvas.CalcPrintPages(g, e.MarginBounds, 30, FitKind);
if (_currentPrintPage < pages)
{
_targetCanvas.PrintPages(g, e.MarginBounds, _currentPrintPage, 30, FitKind);
++_currentPrintPage;
if (_currentPrintPage < pages)
{
e.HasMorePages = true;
}
else
{
e.HasMorePages = false;
/// これがないとPrintPreviewDialogの印刷ボタンを押されたときに
/// _currentPrintPageがpagesと同じ値になって白紙が印刷される
_currentPrintPage = 0;
}
}
}