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/*
Copyright 2008 Aurélien Gâteau <agateau@kde.org>
Copyright 2009 Sebastian Trueg <trueg@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "kpixmapsequence.h"
#include <QtGui/QPixmap>
#include <QtGui/QPainter>
#include <QtCore/QVector>
#include <kiconloader.h>
#include <kdebug.h>
class KPixmapSequence::Private : public QSharedData
{
public:
QVector<QPixmap> mFrames;
void loadSequence(const QPixmap& bigPixmap, const QSize &frameSize);
};
void KPixmapSequence::Private::loadSequence(const QPixmap& bigPixmap, const QSize &frameSize)
{
if(bigPixmap.isNull()) {
kWarning() << "Invalid pixmap specified.";
return;
}
QSize size(frameSize);
if(!size.isValid()) {
size = QSize(bigPixmap.width(), bigPixmap.width());
}
if(bigPixmap.width() % size.width() ||
bigPixmap.height() % size.height()) {
kWarning() << "Invalid framesize.";
return;
}
const int rowCount = bigPixmap.height() / size.height();
const int colCount = bigPixmap.width() / size.width();
mFrames.resize(rowCount * colCount);
int pos = 0;
for (int row = 0; row < rowCount; ++row) {
for (int col = 0; col < colCount; ++col) {
QPixmap pix = bigPixmap.copy(col * size.width(), row * size.height(), size.width(), size.height());
mFrames[pos++] = pix;
}
}
}
KPixmapSequence::KPixmapSequence()
: d(new Private)
{
}
KPixmapSequence::KPixmapSequence(const KPixmapSequence &other)
{
d = other.d;
}
KPixmapSequence::KPixmapSequence(const QPixmap &bigPixmap, const QSize &frameSize)
: d(new Private)
{
d->loadSequence(bigPixmap, frameSize);
}
KPixmapSequence::KPixmapSequence(const QString &xdgIconName, int size)
: d(new Private)
{
d->loadSequence(QPixmap(KIconLoader::global()->iconPath(xdgIconName, -size)), QSize(size, size));
}
KPixmapSequence::~KPixmapSequence()
{
}
KPixmapSequence &KPixmapSequence::operator=(const KPixmapSequence & other)
{
d = other.d;
return *this;
}
bool KPixmapSequence::isValid() const
{
return !isEmpty();
}
bool KPixmapSequence::isEmpty() const
{
return d->mFrames.isEmpty();
}
QSize KPixmapSequence::frameSize() const
{
if (isEmpty()) {
kWarning() << "No frame loaded";
return QSize();
}
return d->mFrames[0].size();
}
int KPixmapSequence::frameCount() const
{
return d->mFrames.size();
}
QPixmap KPixmapSequence::frameAt(int index) const
{
if (isEmpty()) {
kWarning() << "No frame loaded";
return QPixmap();
}
return d->mFrames.at(index);
}
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