lyx_mirror/src/graphics/GraphicsCacheItem.C
Jürgen Vigna 325dccab09 Baruch's InsetGraphics - LyXImage patch
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@1106 a592a061-630c-0410-9148-cb99ea01b6c8
2000-10-12 10:46:06 +00:00

113 lines
2.1 KiB
C

// -*- C++ -*-
/* This file is part of
* =================================================
*
* LyX, The Document Processor
* Copyright 1995 Matthias Ettrich.
* Copyright 1995-2000 The LyX Team.
*
* This file Copyright 2000 Baruch Even
* ================================================= */
#include <config.h>
#ifdef __GNUG__
#pragma implementation
#endif
#include "graphics/GraphicsCache.h"
#include "graphics/GraphicsCacheItem.h"
#include "graphics/GraphicsCacheItem_pimpl.h"
#include "frontends/support/LyXImage.h"
GraphicsCacheItem::GraphicsCacheItem()
: pimpl(new GraphicsCacheItem_pimpl)
{
pimpl->refCount = 1;
}
GraphicsCacheItem::~GraphicsCacheItem()
{
destroy();
}
bool
GraphicsCacheItem::setFilename(string const & filename)
{
filename_ = filename;
return pimpl->setFilename(filename);
}
GraphicsCacheItem::GraphicsCacheItem(GraphicsCacheItem const & gci)
{
pimpl = 0;
copy(gci);
}
GraphicsCacheItem &
GraphicsCacheItem::operator=(GraphicsCacheItem const & gci)
{
// Are we trying to copy the object onto itself.
if (this == &gci)
return *this;
// Destroy old copy
destroy();
// And then copy new object.
copy(gci);
return *this;
}
GraphicsCacheItem *
GraphicsCacheItem::Clone() const
{
return new GraphicsCacheItem(*this);
}
void
GraphicsCacheItem::copy(GraphicsCacheItem const & gci)
{
pimpl = gci.pimpl;
++(pimpl->refCount);
}
void
GraphicsCacheItem::destroy()
{
if (pimpl) {
--(pimpl->refCount);
if (pimpl->refCount == 0) {
{ // We are deleting the pimpl but we want to mark it deleted
// even before it is deleted.
GraphicsCacheItem_pimpl * temp = pimpl;
pimpl = 0;
delete temp;
}
GraphicsCache * gc = GraphicsCache::getInstance();
gc->removeFile(filename_);
}
}
}
GraphicsCacheItem::ImageStatus
GraphicsCacheItem::getImageStatus() const { return pimpl->imageStatus_; }
int
GraphicsCacheItem::getHeight() const { return pimpl->height_; }
int
GraphicsCacheItem::getWidth() const { return pimpl->width_; }
LyXImage *
GraphicsCacheItem::getImage() const { return pimpl->pixmap_; }