| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "../../public/fpdf_text.h" |
| #include "../include/fsdk_define.h" |
| |
| #ifdef _WIN32 |
| #include <tchar.h> |
| #endif |
| |
| // jabdelmalek: commented out to build on Linux. Not used. |
| // extern HANDLE g_hModule; |
| |
| DLLEXPORT FPDF_TEXTPAGE STDCALL FPDFText_LoadPage(FPDF_PAGE page) |
| { |
| if (!page) return NULL; |
| IPDF_TextPage* textpage=NULL; |
| CPDF_ViewerPreferences viewRef(((CPDF_Page*)page)->m_pDocument); |
| textpage=IPDF_TextPage::CreateTextPage((CPDF_Page*)page,viewRef.IsDirectionR2L()); |
| textpage->ParseTextPage(); |
| return textpage; |
| } |
| DLLEXPORT void STDCALL FPDFText_ClosePage(FPDF_TEXTPAGE text_page) |
| { |
| if (text_page){ |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| delete textpage; |
| text_page=NULL; |
| } |
| } |
| DLLEXPORT int STDCALL FPDFText_CountChars(FPDF_TEXTPAGE text_page) |
| { |
| if (!text_page) return -1; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| return textpage->CountChars(); |
| } |
| DLLEXPORT unsigned int STDCALL FPDFText_GetUnicode(FPDF_TEXTPAGE text_page, int index) |
| { |
| if (!text_page) return -1; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| |
| if (index<0 || index>=textpage->CountChars()) return 0; |
| |
| FPDF_CHAR_INFO charinfo; |
| textpage->GetCharInfo(index,charinfo); |
| return charinfo.m_Unicode; |
| } |
| DLLEXPORT double STDCALL FPDFText_GetFontSize(FPDF_TEXTPAGE text_page, int index) |
| { |
| if (!text_page) return 0; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| |
| if (index<0 || index>=textpage->CountChars()) return 0; |
| |
| FPDF_CHAR_INFO charinfo; |
| textpage->GetCharInfo(index,charinfo); |
| return charinfo.m_FontSize; |
| } |
| |
| DLLEXPORT void STDCALL FPDFText_GetCharBox(FPDF_TEXTPAGE text_page, int index,double* left, |
| double* right, double* bottom, double* top) |
| { |
| if (!text_page) return; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| |
| if (index<0 || index>=textpage->CountChars()) return ; |
| FPDF_CHAR_INFO charinfo; |
| textpage->GetCharInfo(index,charinfo); |
| *left=charinfo.m_CharBox.left; |
| *right=charinfo.m_CharBox.right; |
| *bottom=charinfo.m_CharBox.bottom; |
| *top=charinfo.m_CharBox.top; |
| } |
| |
| //select |
| DLLEXPORT int STDCALL FPDFText_GetCharIndexAtPos(FPDF_TEXTPAGE text_page,double x,double y,double xTorelance,double yTorelance) |
| { |
| if (!text_page) return -3; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| return textpage->GetIndexAtPos((FX_FLOAT)x,(FX_FLOAT)y,(FX_FLOAT)xTorelance,(FX_FLOAT)yTorelance); |
| } |
| |
| DLLEXPORT int STDCALL FPDFText_GetText(FPDF_TEXTPAGE text_page,int start,int count,unsigned short* result) |
| { |
| if (!text_page) return 0; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| |
| if (start>=textpage->CountChars()) return 0; |
| |
| CFX_WideString str=textpage->GetPageText(start,count); |
| if(str.GetLength()>count) |
| str = str.Left(count); |
| |
| CFX_ByteString cbUTF16str = str.UTF16LE_Encode(); |
| FXSYS_memcpy(result,cbUTF16str.GetBuffer(cbUTF16str.GetLength()),cbUTF16str.GetLength()); |
| cbUTF16str.ReleaseBuffer(cbUTF16str.GetLength()); |
| |
| return cbUTF16str.GetLength()/sizeof(unsigned short); |
| } |
| |
| DLLEXPORT int STDCALL FPDFText_CountRects(FPDF_TEXTPAGE text_page,int start,int count) |
| { |
| if (!text_page) return 0; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| return textpage->CountRects(start,count); |
| |
| } |
| DLLEXPORT void STDCALL FPDFText_GetRect(FPDF_TEXTPAGE text_page,int rect_index, double* left,double* top, |
| double* right, double* bottom) |
| { |
| if (!text_page) return; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| CFX_FloatRect rect; |
| textpage->GetRect(rect_index,rect.left,rect.top,rect.right,rect.bottom); |
| *left=rect.left; |
| *top=rect.top; |
| *right=rect.right; |
| *bottom=rect.bottom; |
| } |
| |
| DLLEXPORT int STDCALL FPDFText_GetBoundedText(FPDF_TEXTPAGE text_page,double left, double top, |
| double right, double bottom,unsigned short* buffer,int buflen) |
| { |
| if (!text_page) return 0; |
| IPDF_TextPage* textpage=(IPDF_TextPage*)text_page; |
| CFX_FloatRect rect((FX_FLOAT)left,(FX_FLOAT)bottom,(FX_FLOAT)right,(FX_FLOAT)top); |
| CFX_WideString str=textpage->GetTextByRect(rect); |
| |
| if (buflen<=0 || buffer==NULL) |
| { |
| return str.GetLength(); |
| } |
| |
| CFX_ByteString cbUTF16Str = str.UTF16LE_Encode(); |
| int len = cbUTF16Str.GetLength()/sizeof(unsigned short); |
| int size = buflen > len ? len : buflen; |
| FXSYS_memcpy(buffer,cbUTF16Str.GetBuffer(size*sizeof(unsigned short)),size*sizeof(unsigned short)); |
| cbUTF16Str.ReleaseBuffer(size*sizeof(unsigned short)); |
| |
| return size; |
| |
| } |
| |
| //Search |
| //-1 for end |
| DLLEXPORT FPDF_SCHHANDLE STDCALL FPDFText_FindStart(FPDF_TEXTPAGE text_page,FPDF_WIDESTRING findwhat,unsigned long flags,int start_index) |
| { |
| if (!text_page) return NULL; |
| IPDF_TextPageFind* textpageFind=NULL; |
| textpageFind=IPDF_TextPageFind::CreatePageFind((IPDF_TextPage*)text_page); |
| FX_STRSIZE len = CFX_WideString::WStringLength(findwhat); |
| textpageFind->FindFirst(CFX_WideString::FromUTF16LE(findwhat, len),flags,start_index); |
| return textpageFind; |
| } |
| DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindNext(FPDF_SCHHANDLE handle) |
| { |
| if (!handle) return FALSE; |
| IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle; |
| return textpageFind->FindNext(); |
| } |
| DLLEXPORT FPDF_BOOL STDCALL FPDFText_FindPrev(FPDF_SCHHANDLE handle) |
| { |
| if (!handle) return FALSE; |
| IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle; |
| return textpageFind->FindPrev(); |
| } |
| DLLEXPORT int STDCALL FPDFText_GetSchResultIndex(FPDF_SCHHANDLE handle) |
| { |
| if (!handle) return 0; |
| IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle; |
| return textpageFind->GetCurOrder(); |
| } |
| DLLEXPORT int STDCALL FPDFText_GetSchCount(FPDF_SCHHANDLE handle) |
| { |
| if (!handle) return 0; |
| IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle; |
| return textpageFind->GetMatchedCount(); |
| } |
| DLLEXPORT void STDCALL FPDFText_FindClose(FPDF_SCHHANDLE handle) |
| { |
| if (!handle) return; |
| IPDF_TextPageFind* textpageFind=(IPDF_TextPageFind*)handle; |
| delete textpageFind; |
| handle=NULL; |
| } |
| |
| //web link |
| DLLEXPORT FPDF_PAGELINK STDCALL FPDFLink_LoadWebLinks(FPDF_TEXTPAGE text_page) |
| { |
| if (!text_page) return NULL; |
| IPDF_LinkExtract* pageLink=NULL; |
| pageLink=IPDF_LinkExtract::CreateLinkExtract(); |
| pageLink->ExtractLinks((IPDF_TextPage*)text_page); |
| return pageLink; |
| } |
| DLLEXPORT int STDCALL FPDFLink_CountWebLinks(FPDF_PAGELINK link_page) |
| { |
| if (!link_page) return 0; |
| IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page; |
| return pageLink->CountLinks(); |
| } |
| DLLEXPORT int STDCALL FPDFLink_GetURL(FPDF_PAGELINK link_page,int link_index, unsigned short* buffer,int buflen) |
| { |
| if (!link_page) return 0; |
| IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page; |
| CFX_WideString url=pageLink->GetURL(link_index); |
| |
| CFX_ByteString cbUTF16URL = url.UTF16LE_Encode(); |
| int len= cbUTF16URL.GetLength()/sizeof(unsigned short); |
| if (buffer==NULL || buflen<=0) |
| return len; |
| int size=len<buflen ? len :buflen; |
| if (size>0) |
| { |
| FXSYS_memcpy(buffer,cbUTF16URL.GetBuffer(size*sizeof(unsigned short)),size*sizeof(unsigned short)); |
| cbUTF16URL.ReleaseBuffer(size*sizeof(unsigned short)); |
| } |
| return size; |
| } |
| DLLEXPORT int STDCALL FPDFLink_CountRects(FPDF_PAGELINK link_page,int link_index) |
| { |
| if (!link_page) return 0; |
| IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page; |
| CFX_RectArray rectArray; |
| pageLink->GetRects(link_index,rectArray); |
| return rectArray.GetSize(); |
| } |
| DLLEXPORT void STDCALL FPDFLink_GetRect(FPDF_PAGELINK link_page,int link_index, int rect_index, double* left, |
| double* top,double* right, double* bottom) |
| { |
| if (!link_page) return; |
| IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page; |
| CFX_RectArray rectArray; |
| pageLink->GetRects(link_index,rectArray); |
| if (rect_index >= 0 && rect_index < rectArray.GetSize()) { |
| CFX_FloatRect rect=rectArray.GetAt(rect_index); |
| *left=rect.left; |
| *right=rect.right; |
| *top=rect.top; |
| *bottom=rect.bottom; |
| } |
| } |
| DLLEXPORT void STDCALL FPDFLink_CloseWebLinks(FPDF_PAGELINK link_page) |
| { |
| if (!link_page) return; |
| IPDF_LinkExtract* pageLink=(IPDF_LinkExtract*)link_page; |
| delete pageLink; |
| pageLink =NULL; |
| } |
| |