look for Poppler::PSConverter::setOutputDevice(), and use it if found

svn path=/trunk/KDE/kdegraphics/okular/; revision=709853

generators/poppler/CMakeLists.txt

@@ -1,4 +1,19 @@
 
+# check for Poppler::PSConverter::setOutputDevice()
+set(CMAKE_REQUIRED_INCLUDES ${POPPLER_INCLUDE_DIR} ${QT_INCLUDE_DIR})
+set(CMAKE_REQUIRED_LIBRARIES ${POPPLER_LIBRARY} ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTXML_LIBRARY})
+check_cxx_source_compiles("
+#include <poppler-qt4.h>
+int main()
+{
+  Poppler::Document * doc = Poppler::Document::load(\"foo\");
+  Poppler::PSConverter * psconv = doc->psConverter();
+  psconv->setOutputDevice( 0 );
+  return 0;
+}
+" POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE)
+macro_bool_to_01(POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE _POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE)
+
 
 configure_file(
    ${CMAKE_CURRENT_SOURCE_DIR}/config-okular-poppler.h.cmake

generators/poppler/config-okular-poppler.h.cmake

@@ -1,2 +1,5 @@
 /* Defined if we have the 0.6 version of the Poppler library */
 #cmakedefine HAVE_POPPLER_0_6 1
+
+/* Defined if Poppler::PSConverter has setOutputDevice */
+#define POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE ${_POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE}

generators/poppler/generator_pdf.cpp

@@ -875,7 +875,9 @@ bool PDFGenerator::print( KPrinter& printer )
     if ( !tf.open() )
         return false;
     QString tempfilename = tf.fileName();
+#if !POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE
     tf.close();
+#endif
 
     QList<int> pageList;
     if (!printer.previewOnly()) pageList = printer.pageList();
@@ -903,7 +905,11 @@ bool PDFGenerator::print( KPrinter& printer )
     }
     bool forceRasterize = printer.option("kde-okular-poppler-forceRaster").toInt();
     Poppler::PSConverter *psConverter = pdfdoc->psConverter();
+#if POPPLER_HAVE_PSCONVERTER_SETOUTPUTDEVICE
+    psConverter->setOutputDevice(&tf);
+#else
     psConverter->setOutputFileName(tempfilename);
+#endif
     psConverter->setPageList(pageList);
     psConverter->setPaperWidth(width);
     psConverter->setPaperHeight(height);