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// -*- c-basic-offset: 4 -*-
/*
Rosegarden
A sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <glaurent@telegraph-road.org>,
Chris Cannam <cannam@all-day-breakfast.com>,
Richard Bown <bownie@bownie.com>
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 <tqpainter.h>
#include "QCanvasSimpleSprite.h"
namespace Rosegarden {
QCanvasSimpleSprite::QCanvasSimpleSprite(TQPixmap *pixmap, TQCanvas *canvas)
: TQCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmap);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(TQCanvasPixmap *pixmap, TQCanvas *canvas)
: TQCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmap);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(const TQString &pixmapfile,
TQCanvas *canvas)
: TQCanvasSprite(0, canvas),
m_pixmapArray(0)
{
m_pixmapArray = makePixmapArray(pixmapfile);
setSequence(m_pixmapArray);
}
QCanvasSimpleSprite::QCanvasSimpleSprite(TQCanvas *canvas)
: TQCanvasSprite(0, canvas),
m_pixmapArray(0)
{
TQCanvasPixmapArray* tmpArray = makePixmapArray(new TQPixmap());
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 TQCanvas, which therefore needs the
// pixmaps to know how to update itself (the crash is in
// TQCanvas::removeChunks(), usually).
//
// So instead we have to do this GCish
// thingy. PixmapArrayGC::deleteAll() is called by
// NotationView::redoLayout
}
TQCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(TQPixmap *pixmap)
{
TQList<TQPixmap> pixlist;
pixlist.setAutoDelete(true); // the TQCanvasPixmapArray creates its
// own copies of the pixmaps, so we
// can delete the one we're passed
pixlist.append(pixmap);
TQList<TQPoint> spotlist;
spotlist.setAutoDelete(true);
spotlist.append(new TQPoint(0, 0));
return new TQCanvasPixmapArray(pixlist, spotlist);
}
TQCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(TQCanvasPixmap *pixmap)
{
TQList<TQPixmap> pixlist;
pixlist.setAutoDelete(true); // the TQCanvasPixmapArray creates its
// own copies of the pixmaps, so we
// can delete the one we're passed
pixlist.append(pixmap);
TQList<TQPoint> spotlist;
spotlist.setAutoDelete(true);
spotlist.append(new TQPoint(pixmap->offsetX(), pixmap->offsetY()));
return new TQCanvasPixmapArray(pixlist, spotlist);
}
TQCanvasPixmapArray*
QCanvasSimpleSprite::makePixmapArray(const TQString &pixmapfile)
{
return new TQCanvasPixmapArray(pixmapfile);
}
//////////////////////////////////////////////////////////////////////
TQCanvasNotationSprite::TQCanvasNotationSprite(NotationElement& n,
TQPixmap* pixmap,
TQCanvas* canvas)
: QCanvasSimpleSprite(pixmap, canvas),
m_notationElement(n)
{}
TQCanvasNotationSprite::TQCanvasNotationSprite(NotationElement& n,
TQCanvasPixmap* pixmap,
TQCanvas* canvas)
: QCanvasSimpleSprite(pixmap, canvas),
m_notationElement(n)
{}
TQCanvasNotationSprite::~TQCanvasNotationSprite()
{}
TQCanvasNonElementSprite::TQCanvasNonElementSprite(TQPixmap *pixmap,
TQCanvas *canvas) :
QCanvasSimpleSprite(pixmap, canvas)
{}
TQCanvasNonElementSprite::TQCanvasNonElementSprite(TQCanvasPixmap *pixmap,
TQCanvas *canvas) :
QCanvasSimpleSprite(pixmap, canvas)
{}
TQCanvasNonElementSprite::~TQCanvasNonElementSprite()
{}
TQCanvasTimeSigSprite::TQCanvasTimeSigSprite(double layoutX,
TQPixmap *pixmap,
TQCanvas *canvas) :
TQCanvasNonElementSprite(pixmap, canvas),
m_layoutX(layoutX)
{}
TQCanvasTimeSigSprite::TQCanvasTimeSigSprite(double layoutX,
TQCanvasPixmap *pixmap,
TQCanvas *canvas) :
TQCanvasNonElementSprite(pixmap, canvas),
m_layoutX(layoutX)
{}
TQCanvasTimeSigSprite::~TQCanvasTimeSigSprite()
{}
QCanvasStaffNameSprite::QCanvasStaffNameSprite(TQPixmap *pixmap,
TQCanvas *canvas) :
TQCanvasNonElementSprite(pixmap, canvas)
{}
QCanvasStaffNameSprite::QCanvasStaffNameSprite(TQCanvasPixmap *pixmap,
TQCanvas *canvas) :
TQCanvasNonElementSprite(pixmap, canvas)
{}
QCanvasStaffNameSprite::~QCanvasStaffNameSprite()
{}
//////////////////////////////////////////////////////////////////////
void PixmapArrayGC::registerForDeletion(TQCanvasPixmapArray* 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) {
TQCanvasPixmapArray *array = m_pixmapArrays[i];
TQPixmap *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<TQCanvasPixmapArray*> PixmapArrayGC::m_pixmapArrays;
}
//////////////////////////////////////////////////////////////////////
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