diff options
Diffstat (limited to 'src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp')
| -rw-r--r-- | src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp b/src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp index 4f3e0acc..75b81547 100644 --- a/src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp +++ b/src-qt5/desktop-utils/lumina-pdf/PrintWidget.cpp @@ -20,6 +20,7 @@ PrintWidget::PrintWidget(QWidget *parent) : QGraphicsView(parent), scene(0), cur scene = new QGraphicsScene(this); scene->setBackgroundBrush(Qt::gray); this->setScene(scene); + this->degrees = 0; /*QVBoxLayout *layout = new QVBoxLayout; setLayout(layout); @@ -184,6 +185,10 @@ void PrintWidget::populateScene() QSize paperSize = pictures->value(0).size(); //qDebug() << "Image paperSize" << paperSize; + //Changes the paper orientation if rotated by 90 or 270 degrees + if(degrees == 90 or degrees == 270) + paperSize.transpose(); + for (int i = 0; i < numPages; i++) { PageItem* item = new PageItem(i+1, (*pictures)[i].scaled( paperSize, Qt::KeepAspectRatio, Qt::SmoothTransformation), paperSize, degrees); scene->addItem(item); @@ -286,7 +291,9 @@ void PrintWidget::receiveDocument(Poppler::Document *DOC) { this->setVisible(true); } +//Sets how much to rotate the image, by either 90, 180, or 270 degrees. Adds 90 degrees for cw and -90 for ccw. void PrintWidget::setDegrees(int degrees) { - this->degrees = degrees; + //Mods by 360, but adds and remods because of how C++ treats negative mods + this->degrees = ( ( ( this->degrees + degrees ) % 360 ) + 360 ) % 360; this->updatePreview(); } |