[poppler] A question about PDFDoc::displayPage

[Lu Wang]

Hi all,

   I need to call PDFDoc::displayPage inside a call of displayPage,
something like

/////////////////////////////////////////////
class MyOutputDev1{
public:
void startPage(){
    MyOutputDev2 * dev;
    doc->displayPage(dev, ...);
}
};

MyOutputDev1 * dev;
doc->displayPage(dev, ...);
/////////////////////////////////////////////

   Since PDFDoc::displayPage is not a `const` function, I'm not sure if
there will be a problem to do like this, althought I guess so.

   Can any one please help?


   Thanks a lot!


   regards,
   - Lu Wang
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