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-rw-r--r--src-qt5/desktop-utils/lumina-pdf/PrintWidget.h183
1 files changed, 95 insertions, 88 deletions
diff --git a/src-qt5/desktop-utils/lumina-pdf/PrintWidget.h b/src-qt5/desktop-utils/lumina-pdf/PrintWidget.h
index 62543e45..0bc2dbac 100644
--- a/src-qt5/desktop-utils/lumina-pdf/PrintWidget.h
+++ b/src-qt5/desktop-utils/lumina-pdf/PrintWidget.h
@@ -20,26 +20,62 @@
#include <QtMath>
#include <QPageLayout>
-namespace {
-class PageItem : public QGraphicsItem
-{
+class PageItem : public QGraphicsItem {
public:
- PageItem(int _pageNum, const QImage _pagePicture, QSize _paperSize)
- : pageNum(_pageNum), pagePicture(_pagePicture),
- paperSize(_paperSize)
- {
- brect = QRectF(QPointF(-25, -25),
- QSizeF(paperSize)+QSizeF(50, 50));
- setCacheMode(DeviceCoordinateCache);
- }
-
- QRectF boundingRect() const Q_DECL_OVERRIDE
- { return brect; }
-
- inline int pageNumber() const
- { return pageNum; }
+ PageItem(int _pageNum, const QImage _pagePicture, QSize _paperSize)
+ : pageNum(_pageNum), pagePicture(_pagePicture), paperSize(_paperSize)
+ {
+ brect = QRectF(QPointF(-25, -25),
+ QSizeF(paperSize)+QSizeF(50, 50));
+ setCacheMode(DeviceCoordinateCache);
+ }
- void paint(QPainter *painter, const QStyleOptionGraphicsItem *item, QWidget *widget) Q_DECL_OVERRIDE;
+ QRectF boundingRect() const Q_DECL_OVERRIDE
+ { return brect; }
+
+ inline int pageNumber() const
+ { return pageNum; }
+
+ void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget) Q_DECL_OVERRIDE
+ {
+ Q_UNUSED(widget);
+ //Ensure all the antialiasing/smoothing options are turned on
+ painter->setRenderHint(QPainter::Antialiasing);
+ painter->setRenderHint(QPainter::TextAntialiasing);
+ painter->setRenderHint(QPainter::SmoothPixmapTransform);
+
+ QRectF paperRect(0,0, paperSize.width(), paperSize.height());
+
+ // Draw shadow
+ painter->setClipRect(option->exposedRect);
+ qreal shWidth = paperRect.width()/100;
+ QRectF rshadow(paperRect.topRight() + QPointF(0, shWidth),
+ paperRect.bottomRight() + QPointF(shWidth, 0));
+ QLinearGradient rgrad(rshadow.topLeft(), rshadow.topRight());
+ rgrad.setColorAt(0.0, QColor(0,0,0,255));
+ rgrad.setColorAt(1.0, QColor(0,0,0,0));
+ painter->fillRect(rshadow, QBrush(rgrad));
+ QRectF bshadow(paperRect.bottomLeft() + QPointF(shWidth, 0),
+ paperRect.bottomRight() + QPointF(0, shWidth));
+ QLinearGradient bgrad(bshadow.topLeft(), bshadow.bottomLeft());
+ bgrad.setColorAt(0.0, QColor(0,0,0,255));
+ bgrad.setColorAt(1.0, QColor(0,0,0,0));
+ painter->fillRect(bshadow, QBrush(bgrad));
+ QRectF cshadow(paperRect.bottomRight(),
+ paperRect.bottomRight() + QPointF(shWidth, shWidth));
+ QRadialGradient cgrad(cshadow.topLeft(), shWidth, cshadow.topLeft());
+ cgrad.setColorAt(0.0, QColor(0,0,0,255));
+ cgrad.setColorAt(1.0, QColor(0,0,0,0));
+ painter->fillRect(cshadow, QBrush(cgrad));
+
+ painter->setClipRect(paperRect & option->exposedRect);
+ painter->fillRect(paperRect, Qt::white);
+ if (pagePicture.isNull()){
+ qDebug() << "NULL";
+ return;
+ }
+ painter->drawImage(QPoint(0,0), pagePicture);
+ }
private:
int pageNum;
@@ -48,49 +84,11 @@ private:
QRectF brect;
};
-void PageItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
-{
- Q_UNUSED(widget);
- QRectF paperRect(0,0, paperSize.width(), paperSize.height());
-
- // Draw shadow
- painter->setClipRect(option->exposedRect);
- qreal shWidth = paperRect.width()/100;
- QRectF rshadow(paperRect.topRight() + QPointF(0, shWidth),
- paperRect.bottomRight() + QPointF(shWidth, 0));
- QLinearGradient rgrad(rshadow.topLeft(), rshadow.topRight());
- rgrad.setColorAt(0.0, QColor(0,0,0,255));
- rgrad.setColorAt(1.0, QColor(0,0,0,0));
- painter->fillRect(rshadow, QBrush(rgrad));
- QRectF bshadow(paperRect.bottomLeft() + QPointF(shWidth, 0),
- paperRect.bottomRight() + QPointF(0, shWidth));
- QLinearGradient bgrad(bshadow.topLeft(), bshadow.bottomLeft());
- bgrad.setColorAt(0.0, QColor(0,0,0,255));
- bgrad.setColorAt(1.0, QColor(0,0,0,0));
- painter->fillRect(bshadow, QBrush(bgrad));
- QRectF cshadow(paperRect.bottomRight(),
- paperRect.bottomRight() + QPointF(shWidth, shWidth));
- QRadialGradient cgrad(cshadow.topLeft(), shWidth, cshadow.topLeft());
- cgrad.setColorAt(0.0, QColor(0,0,0,255));
- cgrad.setColorAt(1.0, QColor(0,0,0,0));
- painter->fillRect(cshadow, QBrush(cgrad));
-
- painter->setClipRect(paperRect & option->exposedRect);
- painter->fillRect(paperRect, Qt::white);
- if (pagePicture.isNull()){
- qDebug() << "NULL";
- return;
- }
- painter->drawImage(QPoint(0,0), pagePicture);
-}
-}
class PrintWidget : public QGraphicsView
{
Q_OBJECT
public:
- PrintWidget(QWidget *parent = 0);
- ~PrintWidget();
enum ViewMode {
SinglePageView,
FacingPagesView,
@@ -103,33 +101,58 @@ public:
FitInView
};
- double getZoomFactor() const { return this->zoomFactor; };
- ZoomMode getZoomMode() const { return this->zoomMode; };
- int currentPage() const { return curPage; };
- void setPictures(QHash<int, QImage>*);
+private:
+ void generatePreview();
+ void layoutPages();
+ void populateScene();
+ void setViewMode(ViewMode);
+ void setZoomMode(ZoomMode);
+
+ QGraphicsScene *scene;
+
+ int curPage, publicPageNum;
+ ViewMode viewMode;
+ ZoomMode zoomMode;
+ QPageLayout::Orientation orientation;
+ double zoomFactor;
+ bool initialized, fitting;
+ QList<QGraphicsItem*> pages;
+ QHash<int, QImage> *pictures;
+
+public:
+ PrintWidget(QWidget *parent = 0);
+ ~PrintWidget();
+
+ double getZoomFactor() const { return this->zoomFactor; };
+ ZoomMode getZoomMode() const { return this->zoomMode; };
+ int currentPage() const { return publicPageNum; };
+ void setPictures(QHash<int, QImage>*);
signals:
void resized();
void customContextMenuRequested(const QPoint&);
+ void currentPageChanged();
+
public slots:
void zoomIn(double factor=1.2);
- void zoomOut(double factor=1.2);
- void setCurrentPage(int);
- void setVisible(bool) Q_DECL_OVERRIDE;
- void setOrientation(QPageLayout::Orientation);
- void highlightText(int, QRectF);
+ void zoomOut(double factor=1.2);
+ void setCurrentPage(int);
+ void setVisible(bool) Q_DECL_OVERRIDE;
+ void setOrientation(QPageLayout::Orientation);
+ void highlightText(int, QRectF);
- void updatePreview();
+ void updatePreview();
void fitView();
- void fitToWidth();
- void setAllPagesViewMode();
- void setSinglePageViewMode();
- void setFacingPagesViewMode();
+ void fitToWidth();
+ void setAllPagesViewMode();
+ void setSinglePageViewMode();
+ void setFacingPagesViewMode();
private slots:
void updateCurrentPage();
- int calcCurrentPage();
- void fit(bool doFitting=false);
+ int calcCurrentPage();
+ void fit(bool doFitting=false);
+
protected:
void resizeEvent(QResizeEvent* e) Q_DECL_OVERRIDE {
/*{
@@ -144,21 +167,5 @@ protected:
QGraphicsView::showEvent(e);
emit resized();
}
-private:
- void generatePreview();
- void layoutPages();
- void populateScene();
- void setViewMode(ViewMode);
- void setZoomMode(ZoomMode);
- QGraphicsScene *scene;
-
- int curPage;
- ViewMode viewMode;
- ZoomMode zoomMode;
- QPageLayout::Orientation orientation;
- double zoomFactor;
- bool initialized, fitting;
- QList<QGraphicsItem*> pages;
- QHash<int, QImage> *pictures;
};
#endif
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