Get FormField text

PdfFile/PdfFile.cpp

@@ -34,6 +34,7 @@
 #include "PdfReader.h"
 
 #include "../DesktopEditor/common/File.h"
+#include "../HtmlRenderer/include/HTMLRendererText.h"
 #include "lib/xpdf/PDFDoc.h"
 
 #ifndef BUILDING_WASM_MODULE
@@ -814,7 +815,14 @@ BYTE* CPdfFile::GetWidgets()
 {
     if (!m_pInternal->pReader)
         return NULL;
-    return m_pInternal->pReader->GetWidgets();
+
+    NSHtmlRenderer::CHTMLRendererText* pTextRenderer = new NSHtmlRenderer::CHTMLRendererText();
+    pTextRenderer->Init(this, 8);
+
+    BYTE* bRes = m_pInternal->pReader->GetWidgets(pTextRenderer);
+    RELEASEOBJECT(pTextRenderer);
+
+    return bRes;
 }
 
 // ------------------------------------------------------------------------

PdfFile/PdfReader.cpp

@@ -717,7 +717,7 @@ BYTE* CPdfReader::GetLinks(int nPageIndex)
     return oLinks.Serialize();
 }
 
-BYTE* CPdfReader::GetWidgets()
+BYTE* CPdfReader::GetWidgets(IRenderer* pRenderer)
 {
     if (!m_pPDFDocument || !m_pPDFDocument->getCatalog())
         return NULL;
@@ -729,6 +729,23 @@ BYTE* CPdfReader::GetWidgets()
     NSWasm::CData oRes;
     oRes.SkipLen();
 
+    PdfReader::RendererOutputDev oRendererOut(pRenderer, m_pFontManager, m_pFontList);
+    oRendererOut.NewPDF(m_pPDFDocument->getXRef());
+    oRendererOut.SetBreak(NULL);
+
+    globalParams->setDrawFormFields(gTrue);
+    globalParams->setDrawAnnotations(gFalse);
+    globalParams->setDrawContent(gFalse);
+
+    for (int i = 0, nPage = m_pPDFDocument->getNumPages(); i < nPage; ++i)
+    {
+        m_pPDFDocument->displayPage(&oRendererOut, i + 1, 72.0, 72.0, 0, gFalse, gTrue, gFalse);
+    }
+
+    globalParams->setDrawFormFields(gFalse);
+    globalParams->setDrawAnnotations(gTrue);
+    globalParams->setDrawContent(gTrue);
+
     for (int i = 0, nNum = pAcroForms->getNumFields(); i < nNum; ++i)
     {
         AcroFormField* pField = pAcroForms->getField(i);

PdfFile/PdfReader.h

@@ -69,7 +69,7 @@ public:
 
     BYTE* GetStructure();
     BYTE* GetLinks(int nPageIndex);
-    BYTE* GetWidgets();
+    BYTE* GetWidgets(IRenderer* pRenderer);
 
 private:
     PDFDoc*            m_pPDFDocument;

PdfFile/lib/xpdf/GlobalParams.cc

@@ -734,6 +734,7 @@ GlobalParams::GlobalParams(const char *cfgFileName) {
   enablePathSimplification = gFalse;
   drawAnnotations = gTrue;
   drawFormFields = gTrue;
+  drawContent = gTrue;
   overprintPreview = gFalse;
   paperColor = new GString("#ffffff");
   matteColor = new GString("#808080");
@@ -3158,6 +3159,15 @@ GBool GlobalParams::getDrawFormFields() {
   return draw;
 }
 
+GBool GlobalParams::getDrawContent() {
+  GBool draw;
+
+  lockGlobalParams;
+  draw = drawContent;
+  unlockGlobalParams;
+  return draw;
+}
+
 
 
 GString *GlobalParams::getPaperColor() {
@@ -3704,12 +3714,24 @@ void GlobalParams::setScreenWhiteThreshold(double thresh) {
   unlockGlobalParams;
 }
 
+void GlobalParams::setDrawAnnotations(GBool draw) {
+  lockGlobalParams;
+  drawAnnotations = draw;
+  unlockGlobalParams;
+}
+
 void GlobalParams::setDrawFormFields(GBool draw) {
   lockGlobalParams;
   drawFormFields = draw;
   unlockGlobalParams;
 }
 
+void GlobalParams::setDrawContent(GBool draw) {
+  lockGlobalParams;
+  drawContent = draw;
+  unlockGlobalParams;
+}
+
 void GlobalParams::setOverprintPreview(GBool preview) {
   lockGlobalParams;
   overprintPreview = preview;

PdfFile/lib/xpdf/GlobalParams.h

@@ -325,6 +325,7 @@ public:
   GBool getEnablePathSimplification();
   GBool getDrawAnnotations();
   GBool getDrawFormFields();
+  GBool getDrawContent();
   GBool getOverprintPreview() { return overprintPreview; }
   GString *getPaperColor();
   GString *getMatteColor();
@@ -391,7 +392,9 @@ public:
   void setScreenGamma(double gamma);
   void setScreenBlackThreshold(double thresh);
   void setScreenWhiteThreshold(double thresh);
+  void setDrawAnnotations(GBool draw);
   void setDrawFormFields(GBool draw);
+  void setDrawContent(GBool draw);
   void setOverprintPreview(GBool preview);
   void setMapNumericCharNames(GBool map);
   void setMapUnknownCharNames(GBool map);
@@ -569,6 +572,7 @@ private:
     enablePathSimplification;
   GBool drawAnnotations;	// draw annotations or not
   GBool drawFormFields;		// draw form fields or not
+  GBool drawContent;        // draw content or not
   GBool overprintPreview;	// enable overprint preview
   GString *paperColor;		// paper (page background) color
   GString *matteColor;		// matte (background outside of page) color

PdfFile/lib/xpdf/Page.cc

@@ -373,7 +373,8 @@ void Page::displaySlice(OutputDev *out, double hDPI, double vDPI,
   contents.fetch(xref, &obj);
   if (!obj.isNull()) {
     gfx->saveState();
-    gfx->display(&contents);
+    if (globalParams->getDrawContent())
+      gfx->display(&contents);
     gfx->endOfPage();
   }
   obj.free();