Chat-O-Matic/application/ImageCache.cpp

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/*
* Copyright 2009, Andrea Anzani. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Authors:
* Andrea Anzani, andrea.anzani@gmail.com
*/
#include "ImageCache.h"
#include <AppDefs.h>
#include <Bitmap.h>
#include <Debug.h>
#include <TranslationUtils.h>
ImageCache *ImageCache::m_instance = NULL;
ImageCache::ImageCache()
{
}
ImageCache::~ImageCache()
{
while(m_bitmaps.CountItems()) {
BBitmap* bit=m_bitmaps.ValueFor(0);
delete bit;
}
}
BBitmap*
ImageCache::GetImage(BString which, BString name)
{
if (m_instance == NULL)
m_instance = new ImageCache();
// Loads the bitmap if found
bool found;
BBitmap* bitmap = m_instance->m_bitmaps.ValueFor(name, &found);
if (!found) {
bitmap = LoadImage(which.String(), name.String());
if (bitmap)
m_instance->m_bitmaps.AddItem(name, bitmap);
return bitmap;
} else
return bitmap;
return NULL;
}
void
ImageCache::AddImage(BString name, BBitmap* which)
{
if (m_instance == NULL)
m_instance = new ImageCache();
m_instance->m_bitmaps.AddItem(name, which);
}
void
ImageCache::DeleteImage(BString name)
{
if (m_instance == NULL)
m_instance = new ImageCache();
BBitmap* bitmap = m_instance->m_bitmaps.ValueFor(name);
if (bitmap){
m_instance->m_bitmaps.RemoveItemFor(name);
delete bitmap;
}
}
void
ImageCache::Release()
{
if (m_instance != NULL) {
delete m_instance;
m_instance = NULL;
}
}
BBitmap*
ImageCache::LoadImage(const char* fullName, const char* shortName)
{
BBitmap* bitmap = BTranslationUtils::GetBitmap(fullName);
if (!bitmap)
bitmap = BTranslationUtils::GetBitmap('PNG ', shortName);
if (!bitmap)
printf("ImageCache: Can't load bitmap! %s\n",fullName);
return bitmap;
}