UiResources.hpp

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// ****************************************************************************
// CUI
//
// The Advanced Framework for Simulation, Integration, and Modeling (AFSIM)
//
// Copyright 2003-2015 The Boeing Company. All rights reserved.
//
// The use, dissemination or disclosure of data in this file is subject to
// limitation or restriction. See accompanying README and LICENSE for details.
// ****************************************************************************
 
#ifndef UIRESOURCES_HPP
#define UIRESOURCES_HPP
 
#include <QFileIconProvider>
#include <QFont>
#include <QIcon>
#include <QImage>
#include <QMap>
 
#include "ViExport.hpp"
 
namespace wizard
{
class VI_EXPORT UiResources
{
public:
   static constexpr unsigned int cBASE_ICON_SIZE = 16;
   static constexpr unsigned int cMIN_FONT_SIZE  = 6;
   static constexpr unsigned int cMAX_FONT_SIZE  = 24;

   virtual ~UiResources();

   static void         Create();
   static void         Destroy();
   static UiResources& GetInstance() { return *sInstancePtr; }
 
   // Fonts
   QFont& GetFont() { return mConsoleFont; }
 
   // Icons
   QIcon& GetIcon(const QString& aImageName, bool aScale = true);
   QIcon& GetIconFromTheme(const QString& aImageName,
                           bool           aScale = true); // Use this instead of QIcon::fromTheme in model views
   QIcon  GetFileIcon(const QFileInfo& aInfo);
 
   // Images
   QImage& GetImageFromTheme(const QString& aImageName, bool aScale = true);
   QImage& GetDimImageFromTheme(const QString& aImageName, bool aScale = true);

   std::pair<unsigned int, unsigned int> ResizeImageWithFont();
 
protected:
   void Initialize();
 
   QImage  ToScale(QImage aImage, int aWidth);
   QPixmap ToScalePM(QImage aImage, int aWidth);
 
   // Icons
   QIcon& AddIcon(const QString& aIconName, bool aScale);
 
   // Images
   QImage& AddImage(const QString& aImageName, bool aScale);
   QImage& AddDimImage(const QString& aImageName, bool aScale);
 
private:
   // Fonts
   QFont mConsoleFont;
 
   // Icons
   QMap<QString, QIcon> mIcons;
   QIcon                mEmptyIcon;
   QFileIconProvider    mIconProvider;
 
   QMap<QString, QImage> mImages;
   QMap<QString, QImage> mDimImages;
   QImage                mEmptyImage;
 
   static UiResources* sInstancePtr;
};
} // namespace wizard
#endif