diff -u -r -N ./impositionplan.cpp /home/deter/temp/podofo-0.8.0/tools/podofoimpose//impositionplan.cpp --- ./impositionplan.cpp 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//impositionplan.cpp 2010-05-07 13:59:21.000000000 +0200 @@ -42,6 +42,45 @@ #include //XXX namespace PoDoFo { namespace Impose { + +LineRecord::LineRecord ( int d, double x1, double y1, double x2, double y2, const char *pszStyle ) + : destPage(d), + startX(x1), + startY(y1), + endX(x2), + endY(y2) +{ + //Taken from PdfPainter::SetStrokeStyle + if (!strcasecmp(pszStyle,"Solid") ) + style="[] 0"; + else if (!strcasecmp(pszStyle,"Dash") ) + style="[3] 0"; + else if (!strcasecmp(pszStyle,"Dot") ) + style="[1] 0"; + else if (!strcasecmp(pszStyle,"DashDot") ) + style="[3 1 1] 0"; + else if (!strcasecmp(pszStyle,"DashDotDot") ) + style="[3 1 1 1 1] 0"; + else + style=pszStyle; +} + +LineRecord::LineRecord() + : destPage(0), + startX(0), + startY(0), + endX(0), + endY(0), + style("[] 0") +{ +} + +bool LineRecord::isValid() const +{ + //TODO: check page boundaries, line style? + return destPage && (startX!=endX || startY!=endY); +} + PageRecord::PageRecord ( int s,int d,double r, double tx, double ty, int du ) : sourcePage ( s ), destPage ( d ), diff -u -r -N ./impositionplan.h /home/deter/temp/podofo-0.8.0/tools/podofoimpose//impositionplan.h --- ./impositionplan.h 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//impositionplan.h 2010-05-07 13:49:38.000000000 +0200 @@ -74,6 +74,21 @@ } }; +/** + @author Deter de Wet +For (cut)lines on output pages. + */ +class LineRecord +{ + public: + LineRecord ( int dPage, double x1, double y1, double x2, double y2, const char *pszStyle ); + LineRecord(); + ~LineRecord() { }; + int destPage; + double startX,startY,endX,endY; + std::string style; + bool isValid() const; +}; /** @author Pierre Marchand @@ -111,6 +126,9 @@ std::map vars; const SourceVars sourceVars; + + // for (cut)lines + std::vector lines; private: double m_destWidth; diff -u -r -N ./pdftranslator.cpp /home/deter/temp/podofo-0.8.0/tools/podofoimpose//pdftranslator.cpp --- ./pdftranslator.cpp 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//pdftranslator.cpp 2010-05-07 14:23:47.000000000 +0200 @@ -377,6 +377,10 @@ // std::cerr <<"Plan completed "<< planImposition.size() < pages; + vector lines; + }; void PdfTranslator::impose() { @@ -408,13 +412,16 @@ } } - typedef map > groups_t; + typedef map groups_t; groups_t groups; for ( unsigned int i = 0; i < planImposition->size(); ++i ) { - groups[ ( *planImposition ) [i].destPage].push_back ( ( *planImposition ) [i] ); + groups[ ( *planImposition ) [i].destPage].pages.push_back ( ( *planImposition ) [i] ); + } + for ( unsigned int i = 0; i < planImposition->lines.size(); ++i ) + { + groups[ planImposition->lines[i].destPage].lines.push_back ( planImposition->lines[i] ); } - unsigned int lastPlate(0); groups_t::const_iterator git = groups.begin(); const groups_t::const_iterator gitEnd = groups.end(); @@ -435,9 +442,9 @@ // Scale buffer << std::fixed << scaleFactor <<" 0 0 "<< scaleFactor <<" 0 0 cm\n"; - for ( unsigned int i = 0; i < git->second.size(); ++i ) + for ( unsigned int i = 0; i < git->second.pages.size(); ++i ) { - PageRecord curRecord ( git->second[i] ); + PageRecord curRecord ( git->second.pages[i] ); // std::cerr<GetContentsForAppending()->GetStream()->Set ( bufStr.data(), bufStr.size() ); newpage->GetResources()->GetDictionary().AddKey ( PdfName ( "XObject" ), xdict ); + PdfPainter painter; + painter.SetPage( newpage ); + for ( unsigned int i = 0; i < git->second.lines.size(); ++i ) + { + LineRecord curRecord ( git->second.lines[i] ); + painter.SetStrokeStyle ( ePdfStrokeStyle_Custom, curRecord.style.c_str() ); + painter.DrawLine( curRecord.startX, curRecord.startY, curRecord.endX, curRecord.endY ); + } + painter.FinishPage(); ++git; } diff -u -r -N ./planreader_lua.cpp /home/deter/temp/podofo-0.8.0/tools/podofoimpose//planreader_lua.cpp --- ./planreader_lua.cpp 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//planreader_lua.cpp 2010-05-07 14:24:36.000000000 +0200 @@ -46,6 +46,7 @@ } PlanReader_Lua::PlanReader_Lua(const std::string & planfile, PoDoFo::Impose::ImpositionPlan * ip) + : currentLineStyle("Solid") { // std::cerr<<"PlanReader_Lua::PlanReader_Lua "<< planfile <(this)); lua_setglobal(L.State(), "This"); @@ -119,6 +123,48 @@ return 0; } + +int PlanReader_Lua::PushLine ( lua_State * L ) +{ + /* TODO: check stack for space! + I would be glad to do that, but I don’t know how - pm + */ + if ( ! ( lua_isnumber ( L, 1 ) && + lua_isnumber ( L, 2 ) && + lua_isnumber ( L, 3 ) && + lua_isnumber ( L, 4 ) && + lua_isnumber ( L, 5 ) && + ( lua_isnoneornil (L, 6) || lua_isstring ( L, 6 ) ) ) ) + { + throw std::runtime_error ( "Invalid arguments to PushLine" ); + } + + /* Get the instance of the reader which runs the script */ + lua_getglobal ( L , "This" ); + if ( ! lua_islightuserdata ( L, -1 ) ) + throw std::runtime_error ( "\"This\" is not valid" ); // ;-) + PlanReader_Lua *that = static_cast ( lua_touserdata ( L, -1 ) ); + lua_pop ( L, 1 ); + +// std::cerr<<"PlanReader_Lua::PushRecord "<currentLineStyle = lua_tostring ( L, 6); + PoDoFo::Impose::LineRecord LR( + lua_tonumber ( L, 1 ), + lua_tonumber ( L, 2 ), + lua_tonumber ( L, 3 ), + lua_tonumber ( L, 4 ), + lua_tonumber ( L, 5 ), + that->currentLineStyle.c_str() ); + if(LR.isValid()) + that->plan->lines.push_back ( LR ); + + lua_pop ( L, lua_gettop ( L ) ); + + return 0; +} double PlanReader_Lua::getNumber(const std::string & name) { diff -u -r -N ./planreader_lua.h /home/deter/temp/podofo-0.8.0/tools/podofoimpose//planreader_lua.h --- ./planreader_lua.h 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//planreader_lua.h 2010-05-07 13:14:39.000000000 +0200 @@ -43,9 +43,11 @@ ~PlanReader_Lua(); static int PushRecord(lua_State *L); + static int PushLine(lua_State *L); private: PoDoFo::Impose::ImpositionPlan* plan; + std::string currentLineStyle; /** Ask if a variable is available in script global scope */ bool hasGlobal(const std::string& name); diff -u -r -N ./plans/lua/BookletCut.plan /home/deter/temp/podofo-0.8.0/tools/podofoimpose//plans/lua/BookletCut.plan --- ./plans/lua/BookletCut.plan 1970-01-01 02:00:00.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//plans/lua/BookletCut.plan 2010-05-07 16:16:23.000000000 +0200 @@ -0,0 +1,44 @@ +-- Impose portrait booklets to a single A4 page which has to be cut +-- Adapted from Booklet.plan +print("Booklet") +-- We output an A4 page for an A5 booklet after cutting +PageWidth = 595.27559 +PageHeight = 841.88976 +-- We assume portrait source pages +Scale=PageWidth/(2*SourceWidth) +rot=0 +xof=SourceWidth +yof=SourceHeight + +do + rest = PageCount % 8 + totp = PageCount + if rest ~= 0 then + totp = totp + 8 - rest + end + imax = totp / 4 + count = 1 + inc = 0 + print(PageCount,imax,totp) + while count <= imax + do +-- We assume that podofoimpose will discard invalid records +-- Recto + --print(totp - inc, count, rot, 0, yof) + PushRecord(totp - inc , count , rot, 0 , yof) + --print(inc + 1, count, rot, xof, yof) + PushRecord(inc + 1 , count , rot, xof , yof) + PushLine(count, 0, yof, SourceWidth*2, yof, "Dash") + inc = inc + 2 + PushRecord(totp - inc , count , rot, 0 , 0) + PushRecord(inc + 1 , count , rot, xof , 0) + count = count + 1 +-- Verso + PushRecord(inc , count, rot, 0, yof) + PushRecord(totp-inc+1 , count, rot, xof, yof) + inc = inc + 2 + PushRecord(inc , count, rot, 0, 0) + PushRecord(totp-inc+1 , count, rot, xof, 0) + count = count + 1 + end +end \ No newline at end of file diff -u -r -N ./README.html /home/deter/temp/podofo-0.8.0/tools/podofoimpose//README.html --- ./README.html 2010-05-07 12:26:38.000000000 +0200 +++ /home/deter/temp/podofo-0.8.0/tools/podofoimpose//README.html 2010-05-07 15:48:05.000000000 +0200 @@ -141,6 +141,13 @@ As for regular plan files, there are a couple of provided informations through global variables, specifically: "SourceWidth", "SourceHeight", "PageCount". You need to set "PageWidth" and "PageHeight". You may alter the global scale factor (from source to target) by setting "Scale". +
+ Lua plan files also support the ability to draw arbitrary lines on the output pages. This is useful for generating cut lines / marks. The command to use is: +
+ PushLine(target page, x1, y1, x2, y2[, DashPattern]); +
+ x1,y1,x2,y2 are numbers giving the coordinates of the start and end of the line. These numbers are scaled by the global scale factor. DashPattern must be a string with one of the values "Solid","Dash","DashDot","DashDotDot" (all case-insensitive) or a valid PDF line pattern string (see the PDF specification). If DashPattern is omitted, the last set value is used, or "Solid" if no value has been set yet. See plans/lua/BookletCut.plan for an example. +

Running

There is no format detection mechanism, so you need to append "lua" keyword to podofoimpose invocation when you want it to process a Lua script.