ImageManager.cpp #3

#include "ImageManager.h"
#include "ConfigOptions.h"

ImageManager* ImageManager::_instance = NULL;

static const int NUM_IMAGES = 7;
static const char* _images [] = {
  "exec.png",
  "info.png",
  "job.png",
  "people.png",
  "stop.png",
  "terminal.png",
  "user.png",
  "branch.png",
  "delta.png",
  "label.png"
  "penguin.png",
  "pending_changes.png",
  "file_c.png",
  "file_h.png",
  "file_cpp.png",
  "file_binary.png",
  "unknown.png",
  "file_txt.png",
  "file_project.png",
  "file_py.png",
  "file_html.png",
  "file_java.png",
  "file_ruby.png"

};


ImageManager::ImageManager() 
{

}

ImageManager* ImageManager::getInstance()
{
  if (_instance == NULL) {
    _instance = new ImageManager();
    _instance->loadKnownImages();
  }
  return _instance;
}

QPixmap ImageManager::getPixmap( const QString& imgName )
{
  QPixmap pm;
  
  if (!QPixmapCache::find(imgName, pm)) {
    QString path = ConfigOptions::getInstance()->getImageDir() + "/" + imgName;
    if (pm.load(path)) {
      QPixmapCache::insert( imgName, pm );
    } else {
      if (!QPixmapCache::find("penguin.png",pm)) {
        // load default penguin
        QString path = ConfigOptions::getInstance()->getImageDir() + 
          "/penguin.png";
        pm.load( path );
        QPixmapCache::insert( "penguin.png", pm );
      }
    }
  } 

  return pm;
}


void ImageManager::loadKnownImages()
{
  

  QString path = ConfigOptions::getInstance()->getImageDir();

  for (int i = 0; i < NUM_IMAGES; ++i) {
    QPixmap pm;
    pm.load( path + "/" + _images[i] );
    QPixmapCache::insert( _images[i], pm );
  }
}