FntWrapGlyphLib.h

/*
* Copyright (C) TES Electronic Solutions GmbH,
* All Rights Reserved.
* Contact: info@guiliani.de
*
* This file is part of the Guiliani HMI framework
* for the development of graphical user interfaces on embedded systems.
*/
 
#ifndef __FNT_WRAP_GLYPHLIB__H__
#define __FNT_WRAP_GLYPHLIB__H__
 
#include "eC_TArray.h"
#include "FntWrap.h"
 
#include "GUIImageData.h"
 
#include "gui_font.h"
 
 
// @guiliani_doxygen limitations CFntWrapGlyphLib
// @endguiliani_doxygen
class CFntWrapGlyphLib : public CFntWrap
{
public:
    static eC_Bool CreateInstance();
 
public:
    struct FontEntry_s
    {
        gui_font_t Font; 
        eC_UByte* Memory; 
    };
 
public:
    void RequiredSpace(const eC_String * const pkText, eC_Value& vWidth, eC_Value& vHeight);
 
    void SetFont(const FontResource_t &eID);
 
    void LoadFont(const FontResource_t &eFontID);
 
    void UnloadFont(const FontResource_t &eFontID);
 
protected:
    CFntWrapGlyphLib();
 
    virtual void RenderTextInternal(
        const eC_String *lpString,
        const TextOperation_t &eOperation,
        const eC_Value& vX1,
        const eC_Value& vY1,
        eC_Value& vWidth,
        eC_Value& vHeight,
        eC_Value vWidthMax,
        eC_UInt &uiNumFittingChars);
 
    virtual void RenderGlyphToScreen(const eC_Value& vX1, const eC_Value& vY1, CGUIImageData& kGlyphImage);
 
    void Text(const eC_Value& vX1, const eC_Value& vY1, const eC_String * const lpString);
 
    virtual void GetGlyphMetrics(const eC_Char cChar, GlyphMetrics_t& kMetrics);
 
    virtual eC_Int GetAscender() const;
    virtual eC_Int GetDescender() const;
    virtual eC_Int GetInternalLeading() const;
 
    eC_Bool SetNOFFonts(const eC_UInt uiNOFFonts);
 
protected:
    eC_UInt m_uiCurrentFontIndex; 
    eC_TArray<FontEntry_s> m_kFontsHandles; 
 
private:
    CFntWrapGlyphLib(const CFntWrapGlyphLib& kSource);
 
    CFntWrapGlyphLib& operator=(const CFntWrapGlyphLib& kSource);
};
 
#endif