mirror of
https://bitbucket.org/smil3y/kdelibs.git
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144 lines
3.3 KiB
C++
144 lines
3.3 KiB
C++
/*
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Copyright 2008 Aurélien Gâteau <agateau@kde.org>
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Copyright 2009 Sebastian Trueg <trueg@kde.org>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "kpixmapsequence.h"
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#include <QtGui/QPixmap>
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#include <QtGui/QPainter>
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#include <QtCore/QVector>
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#include <kiconloader.h>
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#include <kdebug.h>
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class KPixmapSequence::Private : public QSharedData
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{
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public:
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QVector<QPixmap> mFrames;
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void loadSequence(const QPixmap& bigPixmap, const QSize &frameSize);
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};
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void KPixmapSequence::Private::loadSequence(const QPixmap& bigPixmap, const QSize &frameSize)
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{
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if(bigPixmap.isNull()) {
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kWarning() << "Invalid pixmap specified.";
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return;
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}
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QSize size(frameSize);
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if(!size.isValid()) {
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size = QSize(bigPixmap.width(), bigPixmap.width());
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}
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if(bigPixmap.width() % size.width() ||
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bigPixmap.height() % size.height()) {
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kWarning() << "Invalid framesize.";
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return;
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}
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const int rowCount = bigPixmap.height() / size.height();
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const int colCount = bigPixmap.width() / size.width();
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mFrames.resize(rowCount * colCount);
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int pos = 0;
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for (int row = 0; row < rowCount; ++row) {
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for (int col = 0; col < colCount; ++col) {
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QPixmap pix = bigPixmap.copy(col * size.width(), row * size.height(), size.width(), size.height());
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mFrames[pos++] = pix;
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}
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}
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}
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KPixmapSequence::KPixmapSequence()
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: d(new Private)
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{
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}
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KPixmapSequence::KPixmapSequence(const KPixmapSequence &other)
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{
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d = other.d;
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}
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KPixmapSequence::KPixmapSequence(const QPixmap &bigPixmap, const QSize &frameSize)
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: d(new Private)
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{
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d->loadSequence(bigPixmap, frameSize);
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}
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KPixmapSequence::KPixmapSequence(const QString &xdgIconName, int size)
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: d(new Private)
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{
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d->loadSequence(QPixmap(KIconLoader::global()->iconPath(xdgIconName, -size)), QSize(size, size));
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}
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KPixmapSequence::~KPixmapSequence()
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{
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}
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KPixmapSequence &KPixmapSequence::operator=(const KPixmapSequence & other)
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{
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d = other.d;
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return *this;
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}
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bool KPixmapSequence::isValid() const
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{
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return !isEmpty();
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}
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bool KPixmapSequence::isEmpty() const
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{
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return d->mFrames.isEmpty();
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}
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QSize KPixmapSequence::frameSize() const
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{
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if (isEmpty()) {
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kWarning() << "No frame loaded";
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return QSize();
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}
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return d->mFrames[0].size();
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}
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int KPixmapSequence::frameCount() const
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{
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return d->mFrames.size();
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}
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QPixmap KPixmapSequence::frameAt(int index) const
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{
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if (isEmpty()) {
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kWarning() << "No frame loaded";
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return QPixmap();
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}
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return d->mFrames.at(index);
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}
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