op.contentItems.transform
From PDF XChange PDF SDK
Overview
The operation allows to transform the required content items.
Parameters
Name | Type | Description |
---|---|---|
Input | Array | Array of IUnknown -based objects containing the IPXC_Document which content items will be transformed.
|
Output | Array | Not yet implemented. |
Options | Dictionary | Dictionary with options of the operation. |
Sample
//C# private void TransformContentItems(PDFXEdit.IPXV_Document Doc, PDFXEdit.IPXV_Inst Inst) { //Creating contentItems.delete operation int nID = Inst.Str2ID("op.contentItems.transform", false); PDFXEdit.IOperation Op = Inst.CreateOp(nID); var input = Op.Params.Root["Input"]; input.Add().v = Doc.CoreDoc; PDFXEdit.ICabNode options = Op.Params.Root["Options"]; int nSelID = Inst.Str2ID("selection.contentItems", false); uint nPage = 0; //Page number that will have it's content items deleted //First we need to create content items selection PDFXEdit.IPXV_ContentItemsSelection itSel = (PDFXEdit.IPXV_ContentItemsSelection)Doc.CreateStdSel((uint)nSelID); //Then we need to get root item entry for the desired page (we'll create it if needed) PDFXEdit.IPXV_ContentItemEntry itEntry = itSel.GetSel(nPage, true); //Inserting needed content items from the page var content = Doc.CoreDoc.Pages[nPage].GetContent(PDFXEdit.PXC_ContentAccessMode.CAccessMode_WeakClone); for (uint i = 0; i < content.Items.Count; i++) { //For example we will take all of the text items if (content.Items[i].Type == PDFXEdit.PXC_CIType.CIT_Text) itEntry.Insert(i); } //Adding selected page's root entry with added content items to the operation options["Entries"].Add(PDFXEdit.CabDataTypeID.dt_IUnknown).v = itEntry; //Specifying the transformation matrix options["Matrix.a"].v = 0.8; options["Matrix.b"].v = 0.6; options["Matrix.c"].v = -0.6; options["Matrix.d"].v = 0.8; options["Matrix.e"].v = 0; options["Matrix.f"].v = 0; //Transforming content items Op.Do(); //Clearing the selection itSel.Clear(); }