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Retina support for cover widget

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This commit is contained in:
craig.p.drummond
2014-09-20 12:08:20 +00:00
committed by craig.p.drummond
parent 42348816a7
commit db091227e2
1 changed files with 33 additions and 18 deletions
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51
widgets/coverwidget.cpp
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@@ -24,6 +24,7 @@
#include "coverwidget.h"
#include "gui/currentcover.h"
#include "gui/covers.h"
#include "gui/settings.h"
#include "mpd/song.h"
#include "context/view.h"
#include "support/localize.h"
@@ -48,7 +49,6 @@ public:
CoverLabel(QWidget *p)
: QLabel(p)
, pressed(false)
, pix(0)
{
}
@@ -109,16 +109,21 @@ public:
void paintEvent(QPaintEvent *)
{
if (!pix) {
if (pix.isNull()) {
return;
}
QPainter p(this);
QRect r((width()-pix->width())/2, (height()-pix->height())/2, pix->width(), pix->height());
p.drawPixmap(r.x(), r.y(), *pix);
#if QT_VERSION >= 0x050100
QSize layoutSize = pix.size() / pix.devicePixelRatio();
#else
QSize layoutSize = pix.size();
#endif
QRect r((width()-layoutSize.width())/2, (height()-layoutSize.height())/2, layoutSize.width(), layoutSize.height());
p.drawPixmap(r, pix);
if (underMouse()) {
p.setRenderHint(QPainter::Antialiasing);
p.setPen(QPen(palette().color(QPalette::Highlight), 2));
p.drawPath(Utils::buildPath(QRectF(r.x()+0.5, r.y()+0.5, r.width()-1, r.height()-1), pix->width()>128 ? 6 : 4));
p.drawPath(Utils::buildPath(QRectF(r.x()+0.5, r.y()+0.5, r.width()-1, r.height()-1), layoutSize.width()>128 ? 6 : 4));
}
}
@@ -129,32 +134,42 @@ public:
return;
}
int size=height();
int origSize=size;
double pixRatio=1.0;
#if QT_VERSION >= 0x050100
if (Settings::self()->retinaSupport()) {
pixRatio=qApp->devicePixelRatio();
size*=pixRatio;
}
#endif
img=img.scaled(size, size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
if (pix && pix->size()!=img.size()) {
delete pix;
pix=0;
#if QT_VERSION >= 0x050100
img.setDevicePixelRatio(pixRatio);
#endif
if (pix.isNull() || pix.size()!=img.size()) {
pix=QPixmap(img.size());
#if QT_VERSION >= 0x050100
pix.setDevicePixelRatio(pixRatio);
#endif
}
if (!pix) {
pix=new QPixmap(img.size());
}
pix->fill(Qt::transparent);
QPainter painter(pix);
pix.fill(Qt::transparent);
QPainter painter(&pix);
painter.setRenderHint(QPainter::Antialiasing);
painter.fillPath(Utils::buildPath(QRectF(0, 0, img.width(), img.height()), img.width()>128 ? 6.5 : 4.5), img);
painter.setClipPath(Utils::buildPath(QRectF(0, 0, img.width()/pixRatio, img.height()/pixRatio), origSize>128 ? 6.5 : 4.5));
painter.drawImage(0, 0, img);
repaint();
}
void deletePix()
{
if (pix) {
delete pix;
pix=0;
if (!pix.isNull()) {
pix=QPixmap();
}
}
private:
bool pressed;
QPixmap *pix;
QPixmap pix;
};
CoverWidget::CoverWidget(QWidget *parent)