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[libcalamaresui] Polish ImageRegistry

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- do static initialization more carefully
 - float -> qreal (double) because that's what the Qt API expects,
   to reduce type-conversion warnings
 - apply current coding style
This commit is contained in:
Adriaan de Groot 2019-08-09 16:52:54 +02:00
parent ec08a293b2
commit 8a7f32d3aa
2 changed files with 42 additions and 26 deletions
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45
src/libcalamaresui/utils/ImageRegistry.cpp
View File

@ -2,6 +2,8 @@
*
* SPDX-License-Identifier: GPLv3+
* License-Filename: LICENSES/GPLv3+-ImageRegistry
*
* Copyright 2019, Adriaan de Groot <groot@kde.org>
*/
/*
@ -23,25 +25,22 @@
#include "ImageRegistry.h"
#include <QSvgRenderer>
#include <QPainter>
#include <QSvgRenderer>
#include <qicon.h>
static QHash< QString, QHash< int, QHash< qint64, QPixmap > > > s_cache;
ImageRegistry* ImageRegistry::s_instance = 0;
ImageRegistry*
ImageRegistry::instance()
{
static ImageRegistry* s_instance = new ImageRegistry();
return s_instance;
}
ImageRegistry::ImageRegistry()
{
s_instance = this;
}
ImageRegistry::ImageRegistry() {}
QIcon
@ -52,16 +51,20 @@ ImageRegistry::icon( const QString& image, CalamaresUtils::ImageMode mode )
qint64
ImageRegistry::cacheKey( const QSize& size, float opacity, QColor tint )
ImageRegistry::cacheKey( const QSize& size, qreal opacity, QColor tint )
{
return size.width() * 100 + size.height() * 10 + ( opacity * 100.0 ) + tint.value();
return size.width() * 100 + size.height() * 10 + static_cast< qint64 >( opacity * 100.0 ) + tint.value();
}
QPixmap
ImageRegistry::pixmap( const QString& image, const QSize& size, CalamaresUtils::ImageMode mode, float opacity, QColor tint )
ImageRegistry::pixmap( const QString& image,
const QSize& size,
CalamaresUtils::ImageMode mode,
qreal opacity,
QColor tint )
{
Q_ASSERT( !(size.width() < 0 || size.height() < 0) );
Q_ASSERT( !( size.width() < 0 || size.height() < 0 ) );
if ( size.width() < 0 || size.height() < 0 )
{
return QPixmap();
@ -110,23 +113,20 @@ ImageRegistry::pixmap( const QString& image, const QSize& size, CalamaresUtils::
resultImage.setAlphaChannel( p.toImage().alphaChannel() );
p = QPixmap::fromImage( resultImage );
}
}
pixmap = p;
}
else
{
pixmap = QPixmap( image );
}
if ( !pixmap.isNull() )
{
switch ( mode )
if ( mode == CalamaresUtils::RoundedCorners )
{
case CalamaresUtils::RoundedCorners:
pixmap = CalamaresUtils::createRoundedImage( pixmap, size );
break;
default:
break;
pixmap = CalamaresUtils::createRoundedImage( pixmap, size );
}
if ( !size.isNull() && pixmap.size() != size )
@ -140,7 +140,9 @@ ImageRegistry::pixmap( const QString& image, const QSize& size, CalamaresUtils::
pixmap = pixmap.scaledToWidth( size.width(), Qt::SmoothTransformation );
}
else
{
pixmap = pixmap.scaled( size, Qt::IgnoreAspectRatio, Qt::SmoothTransformation );
}
}
putInCache( image, size, mode, opacity, pixmap, tint );
@ -151,7 +153,12 @@ ImageRegistry::pixmap( const QString& image, const QSize& size, CalamaresUtils::
void
ImageRegistry::putInCache( const QString& image, const QSize& size, CalamaresUtils::ImageMode mode, float opacity, const QPixmap& pixmap, QColor tint )
ImageRegistry::putInCache( const QString& image,
const QSize& size,
CalamaresUtils::ImageMode mode,
qreal opacity,
const QPixmap& pixmap,
QColor tint )
{
QHash< qint64, QPixmap > subsubcache;
QHash< int, QHash< qint64, QPixmap > > subcache;

23
src/libcalamaresui/utils/ImageRegistry.h
View File

@ -2,6 +2,8 @@
*
* SPDX-License-Identifier: GPLv3+
* License-Filename: LICENSES/GPLv3+-ImageRegistry
*
* Copyright 2019, Adriaan de Groot <groot@kde.org>
*/
/*
@ -26,8 +28,8 @@
#include <QPixmap>
#include "utils/CalamaresUtilsGui.h"
#include "UiDllMacro.h"
#include "utils/CalamaresUtilsGui.h"
class UIDLLEXPORT ImageRegistry
{
@ -37,13 +39,20 @@ public:
explicit ImageRegistry();
QIcon icon( const QString& image, CalamaresUtils::ImageMode mode = CalamaresUtils::Original );
QPixmap pixmap( const QString& image, const QSize& size, CalamaresUtils::ImageMode mode = CalamaresUtils::Original, float opacity = 1.0, QColor tint = QColor( 0, 0, 0, 0 ) );
QPixmap pixmap( const QString& image,
const QSize& size,
CalamaresUtils::ImageMode mode = CalamaresUtils::Original,
qreal opacity = 1.0,
QColor tint = QColor( 0, 0, 0, 0 ) );
private:
qint64 cacheKey( const QSize& size, float opacity, QColor tint );
void putInCache( const QString& image, const QSize& size, CalamaresUtils::ImageMode mode, float opacity, const QPixmap& pixmap, QColor tint );
static ImageRegistry* s_instance;
qint64 cacheKey( const QSize& size, qreal opacity, QColor tint );
void putInCache( const QString& image,
const QSize& size,
CalamaresUtils::ImageMode mode,
qreal opacity,
const QPixmap& pixmap,
QColor tint );
};
#endif // IMAGE_REGISTRY_H
#endif // IMAGE_REGISTRY_H