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koffice/krita/ui/kis_icon_item.cc

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/*
* Copyright (c) 1999 Matthias Elter <elter@kde.org>
* Copyright (c) 2003 Patrick Julien <freak@codepimps.org
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.g
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include <kdebug.h>
#include "kis_resource.h"
#include "kis_global.h"
#include "kis_icon_item.h"
#define THUMB_SIZE 30
KisIconItem::KisIconItem(KisResource *resource)
{
m_resource = resource;
validPixmap = false;
validThumb = false;
updatePixmaps();
}
KisIconItem::~KisIconItem()
{
}
void KisIconItem::updatePixmaps()
{
validPixmap = false;
validThumb = false;
if (m_resource && m_resource->valid()) {
QImage img = m_resource->img();
if (img.isNull()) {
m_resource->setValid(false);
m_resource = 0;
return;
}
if (img.width() > THUMB_SIZE || img.height() > THUMB_SIZE) {
QImage thumb = img;
Q_INT32 xsize = THUMB_SIZE;
Q_INT32 ysize = THUMB_SIZE;
Q_INT32 picW = thumb.width();
Q_INT32 picH = thumb.height();
if (picW > picH) {
float yFactor = (float)((float)(float)picH / (float)picW);
ysize = (Q_INT32)(yFactor * (float)THUMB_SIZE);
if (ysize > THUMB_SIZE)
ysize = THUMB_SIZE;
} else if (picW < picH) {
float xFactor = (float)((float)picW / (float)picH);
xsize = (Q_INT32)(xFactor * (float)THUMB_SIZE);
if (xsize > THUMB_SIZE)
xsize = THUMB_SIZE;
}
thumb = thumb.smoothScale(xsize, ysize);
if (!thumb.isNull()) {
m_thumb = QPixmap(thumb);
validThumb = !m_thumb.isNull();
}
}
img = img.convertDepth(32);
m_pixmap = QPixmap(img);
validPixmap = true;
}
}
QPixmap& KisIconItem::pixmap() const
{
return const_cast<QPixmap&>(m_pixmap);
}
QPixmap& KisIconItem::thumbPixmap() const
{
return const_cast<QPixmap&>(m_thumb);
}
KisResource *KisIconItem::resource() const
{
return m_resource;
}
int KisIconItem::compare(const KoIconItem *o) const
{
const KisIconItem *other = dynamic_cast<const KisIconItem *>(o);
if (other != 0) {
return m_resource->name().localeAwareCompare(other->m_resource->name());
} else {
return 0;
}
}