| public abstract InitPage ( int pageNumber ) : void | ||
| pageNumber | int | |
| return | void | |
public void ShowPage(int pageNumber, bool refresh)
{
if (!this.IsEverythingInitialized)
{
return;
}
if (refresh == false && pageNumber == this.CurrentPageNumber)
{
return;
}
_formatHandler.InitPage(pageNumber);
this.Interpreter.Run(@"
%%BeginPageSetup
%%%%BeginFeature: PageSize Custom
<<");
if (_formatHandler.IsMediaBoxSet)
{
this.Interpreter.Run(string.Format("/PageSize [{0} {1}]", _formatHandler.MediaBox.Width, _formatHandler.MediaBox.Height));
this.Interpreter.Run(string.Format("/MediaBox [{0} {1} {2} {3}]", 0, 0, _formatHandler.MediaBox.Width, _formatHandler.MediaBox.Height));
}
this.Interpreter.Run(string.Format("/HWResolution [{0} {1}]", _zoom_xDpi, _zoom_yDpi));
this.Interpreter.Run(@">>
setpagedevice");
this.Interpreter.Run(@"
%%EndFeature
%%EndPageSetup");
_formatHandler.ShowPage(pageNumber);
}
public void ShowPage(int pageNumber, bool refresh)
{
if (!this.IsEverythingInitialized)
{
return;
}
if (refresh == false && pageNumber == this.CurrentPageNumber)
{
return;
}
_formatHandler.InitPage(pageNumber);
this.Interpreter.Run(
"%%BeginPageSetup\n" +
"<<\n");
this.Interpreter.Run(string.Format("/HWResolution [{0} {1}]\n", _zoom_xDpi, _zoom_yDpi));
GhostscriptRectangle mediaBox = _formatHandler.MediaBox;
GhostscriptRectangle boundingBox = _formatHandler.BoundingBox;
GhostscriptRectangle cropBox = _formatHandler.CropBox;
float pageWidth = 0;
float pageHeight = 0;
if ((_formatHandler.GetType() == typeof(GhostscriptViewerEpsFormatHandler) && this.EPSClip && boundingBox != GhostscriptRectangle.Empty))
{
pageWidth = boundingBox.urx - boundingBox.llx;
pageHeight = boundingBox.ury - boundingBox.lly;
}
else
{
if (cropBox != GhostscriptRectangle.Empty)
{
pageWidth = cropBox.urx - cropBox.llx;
pageHeight = cropBox.ury - cropBox.lly;
}
else
{
pageWidth = mediaBox.urx - mediaBox.llx;
pageHeight = mediaBox.ury - mediaBox.lly;
}
}
pageWidth = Math.Abs(pageWidth);
pageHeight = Math.Abs(pageHeight);
if (pageWidth > 0 && pageHeight > 0)
{
this.Interpreter.Run(string.Format("/PageSize [{0} {1}]\n",
pageWidth.ToString("0.00", CultureInfo.InvariantCulture),
pageHeight.ToString("0.00", CultureInfo.InvariantCulture)));
}
if (cropBox != GhostscriptRectangle.Empty)
{
mediaBox = cropBox;
}
if (mediaBox == GhostscriptRectangle.Empty && boundingBox != GhostscriptRectangle.Empty)
{
mediaBox = boundingBox;
}
if (mediaBox != GhostscriptRectangle.Empty && _formatHandler.GetType() != typeof(GhostscriptViewerPsFormatHandler))
{
this.Interpreter.Run(string.Format("/PageOffset [{0} {1}]\n",
(-mediaBox.llx).ToString("0.00", CultureInfo.InvariantCulture),
(-mediaBox.lly).ToString("0.00", CultureInfo.InvariantCulture)));
}
this.Interpreter.Run(string.Format("/GraphicsAlphaBits {0}\n", _graphicsAlphaBits));
this.Interpreter.Run(string.Format("/TextAlphaBits {0}\n", _textAlphaBits));
this.Interpreter.Run(string.Format("/Orientation {0}\n", (int)this.CurrentPageOrientation));
this.Interpreter.Run(">> setpagedevice\n");
this.Interpreter.Run(
"%%EndPageSetup\n");
_formatHandler.ShowPage(pageNumber);
}
