ConvertIIXCImageToGrayscale.cs

private void iIXCExperimentsToolStripMenuItem_Click(object sender, EventArgs e)
{
	PDFXEdit.IPXC_Document doc = pxcInst.NewDocument();

	PDFXEdit.IIXC_Inst iInst = (PDFXEdit.IIXC_Inst)pdfCtl.Inst.GetExtension("IXC");
	PDFXEdit.IIXC_Image iImage = iInst.CreateEmptyImage();
	iImage.Load(System.IO.Directory.GetParent(System.Environment.CurrentDirectory).Parent.FullName + "\\Resources\\multipage_tif_example.tif");
	for (uint i = 0; i < iImage.PagesCount; i++)
	{
		PDFXEdit.IIXC_Page iPage = iImage.GetPage(i);
		iPage.ConvertToFormat(PDFXEdit.IXC_PageFormat.PageFormat_8Gray);

		PDFXEdit.PXC_Rect rcMedia;
		rcMedia.left = iPage.Rect.left;
		rcMedia.bottom = iPage.Rect.bottom;
		rcMedia.top = iPage.Rect.top;
		rcMedia.right = iPage.Rect.right;
		PDFXEdit.IPXC_UndoRedoData urData;
		PDFXEdit.IPXC_Page page = doc.Pages.InsertPage(0, ref rcMedia, out urData);
		PDFXEdit.IPXC_Image img = doc.AddImageFromIXCPage(iPage);
		PDFXEdit.IPXC_ContentCreator CC = doc.CreateContentCreator();
		//We'll need to do matrix Rect2Rect from the rectangle with 1pt width and height (as it's interpreted in the PDF specification) into the page rect
		PDFXEdit.PXC_Rect rcTo;
		rcTo.left = 0;
		rcTo.right = 1;
		rcTo.top = 1;
		rcTo.bottom = 0;
		PDFXEdit.PXC_Matrix m = auxInst.MathHelper.Matrix_RectToRect(ref rcTo, ref rcMedia);
		CC.ConcatCS(m);
		CC.PlaceImage(img);
		page.PlaceContent(CC.Detach(), (uint)PDFXEdit.PXC_PlaceContentFlags.PlaceContent_Replace);
	}
	pdfCtl.OpenDocFrom(doc);
}