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printer scaling fix for Retina macs

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This commit is contained in:
Mark Watkins 2013-11-04 16:49:48 +10:00
parent cbbae2e700
commit a97bb0be80
3 changed files with 51 additions and 13 deletions
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44
sleepyhead/Graphs/gGraphView.cpp
View File

@ -14,6 +14,9 @@
#include <QGLPixelBuffer>
#include <QGLFramebufferObject>
#include <QPixmapCache>
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
#include <QWindow>
#endif
#include "mainwindow.h"
#include "Graphs/gYAxis.h"
@ -2086,16 +2089,22 @@ void gGraphView::DrawTextQue(QPainter &painter)
TextQue &q = m_textque[i];
painter.setBrush(q.color);
painter.setRenderHint(QPainter::TextAntialiasing,q.antialias);
QFont font=*q.font;
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
int fs=font.pointSize();
if (fs>0)
font.setPointSize(fs*dpr);
else {
font.setPixelSize(font.pixelSize()*dpr);
}
#endif
painter.setFont(font);
if (q.angle==0) { // normal text
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
QFont font=*q.font;
font.setPointSizeF(q.font->pointSizeF()*dpr);
painter.setFont(font);
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
painter.drawText(q.x*dpr,q.y*dpr,q.text);
#else
painter.setFont(*q.font);
painter.drawText(q.x,q.y,q.text);
#endif
} else { // rotated text
@ -2240,7 +2249,11 @@ QPixmap gGraph::renderPixmap(int w, int h, bool printing)
sg->setScaleY(1.0);
sg->makeCurrent(); // has to be current for fbo creation
float dpr=sg->devicePixelRatio();
sg->setDevicePixelRatio(1);
#ifdef Q_OS_WIN
if (pm.isNull()){
pm=sg->renderPixmap(w,h,false);
@ -2258,8 +2271,10 @@ QPixmap gGraph::renderPixmap(int w, int h, bool printing)
pm=QPixmap::fromImage(sg->pbRenderPixmap(w,h));
}
#endif
sg->setDevicePixelRatio(dpr);
//sg->doneCurrent();
sg->trashGraphs();
m_graphview=tgv;
m_height=tmp;
@ -2437,6 +2452,12 @@ gGraphView::gGraphView(QWidget *parent, gGraphView * shared) :
m_fadedir=false;
m_blockUpdates=false;
use_pixmap_cache=true;
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
m_dpr=this->windowHandle()->devicePixelRatio();
#else
m_dpr=1;
#endif
}
gGraphView::~gGraphView()
@ -2589,13 +2610,16 @@ void gGraphView::DrawTextQue()
QBrush b(q.color);
imgpainter.setBrush(b);
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
QFont font=*q.font;
font.setPointSizeF(q.font->pointSizeF()*dpr);
imgpainter.setFont(font);
#else
imgpainter.setFont(*q.font);
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
int fs=font.pointSize();
if (fs>0) {
font.setPointSize(fs*dpr);
} else {
font.setPixelSize(font.pixelSize()*dpr);
}
#endif
imgpainter.setFont(font);
imgpainter.setRenderHint(QPainter::TextAntialiasing, q.antialias);
imgpainter.drawText(buf/2,h,q.text);

5
sleepyhead/Graphs/gGraphView.h
View File

@ -994,6 +994,10 @@ public:
void setCubeImage(QImage *);
inline const float & devicePixelRatio() { return m_dpr; }
void setDevicePixelRatio(float dpr) { m_dpr=dpr; }
// Cube fun
QVector<QImage *> cubeimg;
GLuint cubetex;
@ -1107,6 +1111,7 @@ protected:
int m_offsetX;
//! \variable Scale used to enlarge graphs when less graphs than can fit on screen.
float m_scaleY;
float m_dpr;
void renderSomethingFun(float alpha=1);

15
sleepyhead/reports.cpp
View File

@ -447,6 +447,9 @@ void Report::PrintReport(gGraphView *gv,QString name, QDate date)
int page=1;
int gcnt=0;
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
float dpr=gv->devicePixelRatio();
#endif
for (int i=0;i<graphs.size();i++) {
if ((top+full_graph_height+normal_height) > virt_height) {
@ -498,7 +501,11 @@ void Report::PrintReport(gGraphView *gv,QString name, QDate date)
//painter.beginNativePainting();
//g->showTitle(false);
int hhh=full_graph_height-normal_height;
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
QPixmap pm2=g->renderPixmap(virt_width,hhh,1);
#else
QPixmap pm2=g->renderPixmap(virt_width,hhh,1);
#endif
QImage pm=pm2.toImage();//fscale);
pm2.detach();
//g->showTitle(true);
@ -508,9 +515,11 @@ void Report::PrintReport(gGraphView *gv,QString name, QDate date)
if (!pm.isNull()) {
painter.drawImage(0,top,pm);;
#if QT_VERSION >= QT_VERSION_CHECK(5,0,0)
painter.drawImage(QRect(0,top,pm.width(),pm.height()),pm);
#else
painter.drawImage(0,top,pm);
#endif
//painter.drawImage(0,top,virt_width,full_graph_height-normal_height,pm);
}