Spaces:
Running
Running
File size: 1,809 Bytes
5cee033 |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 |
#include <QtCore/QDebug>
#include <QtCore/QFile>
#include <QGuiApplication>
#include <QImage>
#include <poppler-qt5.h>
int main(int argc, char **argv)
{
QGuiApplication a(argc, argv); // QApplication required!
if (argc < 2 || (argc == 3 && strcmp(argv[2], "-qpainter") != 0) || argc > 3) {
// use argument as file name
qWarning() << "usage: test-render-to-file-qt5 filename [-qpainter]";
exit(1);
}
Poppler::Document *doc = Poppler::Document::load(QFile::decodeName(argv[1]));
if (!doc) {
qWarning() << "doc not loaded";
exit(1);
}
if (doc->isLocked()) {
qWarning() << "document locked (needs password)";
exit(0);
}
if (doc->numPages() <= 0) {
delete doc;
qDebug() << "Doc has no pages";
return 0;
}
QString backendString;
if (argc == 3 && strcmp(argv[2], "-qpainter") == 0) {
backendString = QStringLiteral("QPainter");
doc->setRenderBackend(Poppler::Document::QPainterBackend);
} else {
backendString = QStringLiteral("Splash");
doc->setRenderBackend(Poppler::Document::SplashBackend);
}
doc->setRenderHint(Poppler::Document::Antialiasing, true);
doc->setRenderHint(Poppler::Document::TextAntialiasing, true);
for (int i = 0; i < doc->numPages(); ++i) {
Poppler::Page *page = doc->page(i);
if (page) {
qDebug() << "Rendering page using" << backendString << "backend: " << i;
QTime t = QTime::currentTime();
QImage image = page->renderToImage();
qDebug() << "Rendering took" << t.msecsTo(QTime::currentTime()) << "msecs";
image.save(QStringLiteral("test-render-to-file%1.png").arg(i));
delete page;
}
}
return 0;
}
|