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123 lines
2.4 KiB
123 lines
2.4 KiB
#include <tqapplication.h>
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#include <tqpainter.h>
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#include <tqpixmap.h>
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#include <tqwidget.h>
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#include <tqlabel.h>
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#include <tqmessagebox.h>
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#include <tqfile.h>
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#include <ctype.h>
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#include <poppler-qt.h>
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#include <stdlib.h>
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class PDFDisplay : public TQWidget // picture display widget
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{
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public:
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PDFDisplay( Poppler::Document *d );
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~PDFDisplay();
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protected:
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void paintEvent( TQPaintEvent * );
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void keyPressEvent( TQKeyEvent * );
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private:
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void display();
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int currentPage;
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TQPixmap *pixmap;
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Poppler::Document *doc;
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};
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PDFDisplay::PDFDisplay( Poppler::Document *d )
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{
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doc = d;
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pixmap = 0;
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currentPage = 0;
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display();
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}
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PDFDisplay::~PDFDisplay()
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{
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delete doc;
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delete pixmap;
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}
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void PDFDisplay::paintEvent( TQPaintEvent *e )
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{
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TQPainter paint( this ); // paint widget
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if (pixmap)
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paint.drawPixmap(0, 0, *pixmap);
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}
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void PDFDisplay::keyPressEvent( TQKeyEvent *e )
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{
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if (e->key() == TQt::Key_Down)
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{
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if (currentPage + 1 < doc->getNumPages())
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{
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currentPage++;
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display();
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}
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}
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else if (e->key() == TQt::Key_Up)
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{
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if (currentPage > 0)
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{
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currentPage--;
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display();
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}
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}
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}
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void PDFDisplay::display()
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{
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if (doc) {
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Poppler::Page *page = doc->getPage(currentPage);
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if (page) {
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delete pixmap;
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page->renderToPixmap(&pixmap, -1, -1, -1, -1);
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delete page;
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update();
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}
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} else {
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printf("doc not loaded\n");
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}
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}
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int main( int argc, char **argv )
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{
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TQApplication a( argc, argv ); // TQApplication required!
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if ( argc < 2 || (argc == 3 && strcmp(argv[2], "-extract") != 0) || argc > 3)
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{
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// use argument as file name
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printf("usage: test-poppler-qt filename [-extract]\n");
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exit(1);
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}
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Poppler::Document *doc = Poppler::Document::load(argv[1]);
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if (!doc)
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{
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printf("doc not loaded\n");
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exit(1);
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}
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if (argc == 2)
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{
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PDFDisplay test( doc ); // create picture display
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a.setMainWidget( &test); // set main widget
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test.setCaption("Poppler-TQt Test");
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test.show(); // show it
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return a.exec(); // start event loop
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}
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else
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{
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Poppler::Page *page = doc->getPage(0);
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TQLabel *l = new TQLabel(page->getText(Poppler::Rectangle()), 0);
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l->show();
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a.setMainWidget(l); // set main widget
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delete page;
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delete doc;
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return a.exec();
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}
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}
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