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//=============================================================================
// MuseScore
// Music Composition & Notation
//
// Copyright (C) 2011 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2
// as published by the Free Software Foundation and appearing in
// the file LICENSE.GPL
//=============================================================================
// this is a modified version of qt QSvgIconEngine
#include "miconengine.h"
#include "preferences.h"
//---------------------------------------------------------
// MIconEnginePrivate
//---------------------------------------------------------
class MIconEnginePrivate : public QSharedData
{
public:
MIconEnginePrivate() : svgBuffers(0), addedPixmaps(0) { stepSerialNum(); }
~MIconEnginePrivate() { delete addedPixmaps; delete svgBuffers; }
static int hashKey(QIcon::Mode mode, QIcon::State state) { return (((mode)<<4)|state); }
QString pmcKey(const QSize &size, QIcon::Mode mode, QIcon::State state) {
return QLatin1String("$qt_svgicon_")
+ QString::number(serialNum, 16).append(QLatin1Char('_'))
+ QString::number((((((size.width()<<11)|size.height())<<11)|mode)<<4)|state, 16);
}
void stepSerialNum() { serialNum = lastSerialNum.fetchAndAddRelaxed(1); }
void loadDataForModeAndState(QSvgRenderer *renderer, QIcon::Mode mode, QIcon::State state);
QHash<int, QString> svgFiles;
QHash<int, QByteArray> *svgBuffers;
QHash<int, QPixmap> *addedPixmaps;
int serialNum;
static QAtomicInt lastSerialNum;
};
QAtomicInt MIconEnginePrivate::lastSerialNum;
#if 0 // yet(?) unused
//---------------------------------------------------------
// pmKey
//---------------------------------------------------------
static inline int pmKey(const QSize &size, QIcon::Mode mode, QIcon::State state)
{
return ((((((size.width()<<11)|size.height())<<11)|mode)<<4)|state);
}
#endif
//---------------------------------------------------------
// MIconEngine
//---------------------------------------------------------
MIconEngine::MIconEngine()
: d(new MIconEnginePrivate)
{
}
MIconEngine::MIconEngine(const MIconEngine &other)
: QIconEngine(other), d(new MIconEnginePrivate)
{
d->svgFiles = other.d->svgFiles;
if (other.d->svgBuffers)
d->svgBuffers = new QHash<int, QByteArray>(*other.d->svgBuffers);
if (other.d->addedPixmaps)
d->addedPixmaps = new QHash<int, QPixmap>(*other.d->addedPixmaps);
}
MIconEngine::~MIconEngine()
{
}
//---------------------------------------------------------
// actualSize
//---------------------------------------------------------
QSize MIconEngine::actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state)
{
if (d->addedPixmaps) {
QPixmap pm = d->addedPixmaps->value(d->hashKey(mode, state));
if (!pm.isNull() && pm.size() == size)
return size;
}
QPixmap pm = pixmap(size, mode, state);
if (pm.isNull())
return QSize();
return pm.size();
}
//---------------------------------------------------------
// loadDataForModeAndState
//---------------------------------------------------------
void MIconEnginePrivate::loadDataForModeAndState(QSvgRenderer* renderer, QIcon::Mode mode, QIcon::State state)
{
QByteArray buf;
if (svgBuffers) {
buf = svgBuffers->value(hashKey(mode, state));
if (buf.isEmpty())
buf = svgBuffers->value(hashKey(QIcon::Normal, QIcon::Off));
}
if (!buf.isEmpty()) {
buf = qUncompress(buf);
renderer->load(buf);
}
else {
QString svgFile = svgFiles.value(hashKey(mode, state));
if (svgFile.isEmpty())
svgFile = svgFiles.value(hashKey(QIcon::Normal, QIcon::Off));
if (!svgFile.isEmpty()) {
QFile f(svgFile);
f.open(QIODevice::ReadOnly);
QByteArray ba = f.readAll();
if (mode == QIcon::Disabled) {
if (Ms::preferences.globalStyle == Ms::MuseScoreStyleType::LIGHT) {
if (state == QIcon::On)
ba.replace("fill:#3b3f45", "fill:#8daac7");
else
ba.replace("fill:#3b3f45", "fill:#a0a0a0");
}
else {
if (state == QIcon::On)
ba.replace("fill:#3b3f45", "fill:#4171a2");
else
ba.replace("fill:#3b3f45", "fill:#a0a0a0");
}
}
else {
if (Ms::preferences.globalStyle == Ms::MuseScoreStyleType::LIGHT) {
if (state == QIcon::On)
ba.replace("fill:#3b3f45", "fill:#4171a2");
}
else {
if (state == QIcon::On)
ba.replace("fill:#3b3f45", "fill:#78afe6");
else
ba.replace("fill:#3b3f45", "fill:#eff0f1");
}
}
renderer->load(ba);
}
}
}
//---------------------------------------------------------
// pixmap
//---------------------------------------------------------
QPixmap MIconEngine::pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state)
{
QPixmap pm;
QString pmckey(d->pmcKey(size, mode, state));
pmckey.prepend("Ms");
if (QPixmapCache::find(pmckey, pm))
return pm;
if (d->addedPixmaps) {
pm = d->addedPixmaps->value(d->hashKey(mode, state));
if (!pm.isNull() && pm.size() == size)
return pm;
}
QSvgRenderer renderer;
d->loadDataForModeAndState(&renderer, mode, state);
if (!renderer.isValid())
return pm;
QSize actualSize = renderer.defaultSize();
if (!actualSize.isNull())
actualSize.scale(size, Qt::KeepAspectRatio);
QImage img(actualSize, QImage::Format_ARGB32);
img.fill(0x00000000);
QPainter p(&img);
renderer.render(&p);
p.end();
pm = QPixmap::fromImage(img);
if (!pm.isNull())
QPixmapCache::insert(pmckey, pm);
return pm;
}
//---------------------------------------------------------
// addPixmap
//---------------------------------------------------------
void MIconEngine::addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state)
{
if (!d->addedPixmaps)
d->addedPixmaps = new QHash<int, QPixmap>;
d->stepSerialNum();
d->addedPixmaps->insert(d->hashKey(mode, state), pixmap);
}
//---------------------------------------------------------
// addFile
//---------------------------------------------------------
void MIconEngine::addFile(const QString &fileName, const QSize &, QIcon::Mode mode, QIcon::State state)
{
if (!fileName.isEmpty()) {
QString abs = fileName;
if (fileName.at(0) != QLatin1Char(':'))
abs = QFileInfo(fileName).absoluteFilePath();
if (abs.endsWith(QLatin1String(".svg"), Qt::CaseInsensitive)
|| abs.endsWith(QLatin1String(".svgz"), Qt::CaseInsensitive)
|| abs.endsWith(QLatin1String(".svg.gz"), Qt::CaseInsensitive))
{
QSvgRenderer renderer(abs);
if (renderer.isValid()) {
d->stepSerialNum();
d->svgFiles.insert(d->hashKey(mode, state), abs);
}
}
else {
QPixmap pm(abs);
if (!pm.isNull())
addPixmap(pm, mode, state);
}
}
}
//---------------------------------------------------------
// paint
//---------------------------------------------------------
void MIconEngine::paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state)
{
painter->drawPixmap(rect, pixmap(rect.size(), mode, state));
}
//---------------------------------------------------------
// key
//---------------------------------------------------------
QString MIconEngine::key() const
{
return QLatin1String("micon-svg");
}
//---------------------------------------------------------
// clone
//---------------------------------------------------------
QIconEngine *MIconEngine::clone() const
{
return new MIconEngine(*this);
}
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