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// -*- c-basic-offset: 4 -*-
/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral right of the authors to claim authorship of this work
has been asserted.
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. See the file
COPYING included with this distribution for more information.
*/
#include <vector>
#include "misc/Debug.h"
#include <qpainter.h>
#include "QCanvasSimpleSprite.h"
namespace Rosegarden {
QCanvasSimpleSprite::QCanvasSimpleSprite(QPixmap *pixmap, QCanvas *canvas)
: QCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmap);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(QCanvasPixmap *pixmap, QCanvas *canvas)
: QCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmap);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(const QString &pixmapfile,
QCanvas *canvas)
: QCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmapfile);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(QCanvas *canvas)
: QCanvasSprite(0, canvas),
m_pixmapArray(0)
{
QCanvasPixmapArray* tmpArray = makePixmapArray(new QPixmap());
setSequence(tmpArray);
}
QCanvasSimpleSprite::~QCanvasSimpleSprite()
{
PixmapArrayGC::registerForDeletion(m_pixmapArray);
m_pixmapArray = 0;
// We can't delete m_pixmapArray or we get a core dump.
//
// The reason I think is that after the QCanvasSprite is deleted,
// it is removed from the QCanvas, which therefore needs the
// pixmaps to know how to update itself (the crash is in
// QCanvas::removeChunks(), usually).
//
// So instead we have to do this GCish
// thingy. PixmapArrayGC::deleteAll() is called by
// NotationView::redoLayout
}
QCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(QPixmap *pixmap)
{
QList<QPixmap> pixlist;
pixlist.setAutoDelete(true); // the QCanvasPixmapArray creates its
// own copies of the pixmaps, so we
// can delete the one we're passed
pixlist.append(pixmap);
QList<QPoint> spotlist;
spotlist.setAutoDelete(true);
spotlist.append(new QPoint(0, 0));
return new QCanvasPixmapArray(pixlist, spotlist);
}
QCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(QCanvasPixmap *pixmap)
{
QList<QPixmap> pixlist;
pixlist.setAutoDelete(true); // the QCanvasPixmapArray creates its
// own copies of the pixmaps, so we
// can delete the one we're passed
pixlist.append(pixmap);
QList<QPoint> spotlist;
spotlist.setAutoDelete(true);
spotlist.append(new QPoint(pixmap->offsetX(), pixmap->offsetY()));
return new QCanvasPixmapArray(pixlist, spotlist);
}
QCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(const QString &pixmapfile)
{
return new QCanvasPixmapArray(pixmapfile);
}
//////////////////////////////////////////////////////////////////////
QCanvasNotationSprite::QCanvasNotationSprite(NotationElement& n,
QPixmap* pixmap,
QCanvas* canvas)
: QCanvasSimpleSprite(pixmap, canvas),
m_notationElement(n)
{}
QCanvasNotationSprite::QCanvasNotationSprite(NotationElement& n,
QCanvasPixmap* pixmap,
QCanvas* canvas)
: QCanvasSimpleSprite(pixmap, canvas),
m_notationElement(n)
{}
QCanvasNotationSprite::~QCanvasNotationSprite()
{}
QCanvasNonElementSprite::QCanvasNonElementSprite(QPixmap *pixmap,
QCanvas *canvas) :
QCanvasSimpleSprite(pixmap, canvas)
{}
QCanvasNonElementSprite::QCanvasNonElementSprite(QCanvasPixmap *pixmap,
QCanvas *canvas) :
QCanvasSimpleSprite(pixmap, canvas)
{}
QCanvasNonElementSprite::~QCanvasNonElementSprite()
{}
QCanvasTimeSigSprite::QCanvasTimeSigSprite(double layoutX,
QPixmap *pixmap,
QCanvas *canvas) :
QCanvasNonElementSprite(pixmap, canvas),
m_layoutX(layoutX)
{}
QCanvasTimeSigSprite::QCanvasTimeSigSprite(double layoutX,
QCanvasPixmap *pixmap,
QCanvas *canvas) :
QCanvasNonElementSprite(pixmap, canvas),
m_layoutX(layoutX)
{}
QCanvasTimeSigSprite::~QCanvasTimeSigSprite()
{}
QCanvasStaffNameSprite::QCanvasStaffNameSprite(QPixmap *pixmap,
QCanvas *canvas) :
QCanvasNonElementSprite(pixmap, canvas)
{}
QCanvasStaffNameSprite::QCanvasStaffNameSprite(QCanvasPixmap *pixmap,
QCanvas *canvas) :
QCanvasNonElementSprite(pixmap, canvas)
{}
QCanvasStaffNameSprite::~QCanvasStaffNameSprite()
{}
//////////////////////////////////////////////////////////////////////
void PixmapArrayGC::registerForDeletion(QCanvasPixmapArray* array)
{
m_pixmapArrays.push_back(array);
}
void PixmapArrayGC::deleteAll()
{
RG_DEBUG << "PixmapArrayGC::deleteAll() : "
<< m_pixmapArrays.size() << " pixmap arrays to delete\n";
static unsigned long total = 0;
for (unsigned int i = 0; i < m_pixmapArrays.size(); ++i) {
QCanvasPixmapArray *array = m_pixmapArrays[i];
QPixmap *pixmap = array->image(0);
if (pixmap) {
total += pixmap->width() * pixmap->height();
// NOTATION_DEBUG << "PixmapArrayGC::deleteAll(): " << pixmap->width() << "x" << pixmap->height() << " (" << (pixmap->width()*pixmap->height()) << " px, " << total << " total)" << endl;
}
delete m_pixmapArrays[i];
}
m_pixmapArrays.clear();
}
std::vector<QCanvasPixmapArray*> PixmapArrayGC::m_pixmapArrays;
}
//////////////////////////////////////////////////////////////////////
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