tb_font_desc.h

// ================================================================================
// ==      This file is a part of Turbo Badger. (C) 2011-2014, Emil Segerås      ==
// ==                     See tb_core.h for more information.                    ==
// ================================================================================

#ifndef TB_FONT_DESC_H
#define TB_FONT_DESC_H

#include "tb_types.h"
#include "tb_id.h"

namespace tb {

class TBFontDescription
{
public:
    void SetID(const TBID &id)                                          { m_id = id; }

    TBID GetID() const { return m_id; }

    TBID GetFontFaceID() const { return m_id + m_packed_init; }

    void SetSize(uint32_t size)                                         { m_packed.size = MIN(size, 0x8000u); }
    uint32_t GetSize() const                                                { return m_packed.size; }

    //not connected to anything yet
    //void SetBold(bool bold)                                           { m_packed.bold = bold; }
    //bool GetBold() const                                              { return m_packed.bold; }

    //not connected to anything yet
    //void SetItalic(bool italic)                                       { m_packed.italic = italic; }
    //bool GetItalic() const                                            { return m_packed.italic; }

    // ask the font renderer to outline the font
    void SetOutline(bool outline)                                       { m_packed.outline = outline; }
    bool GetOutline() const                                             { return m_packed.outline; }

    TBFontDescription() : m_packed_init(0) {}
    TBFontDescription(const TBFontDescription &src)                     { m_packed_init = src.m_packed_init; m_id = src.m_id; }
    const TBFontDescription& operator = (const TBFontDescription &src)  { m_packed_init = src.m_packed_init; m_id = src.m_id; return *this; }
    bool operator == (const TBFontDescription &fd) const { return m_packed_init == fd.m_packed_init && m_id == fd.m_id; }
    bool operator != (const TBFontDescription &fd) const { return !(*this == fd); }
private:
    TBID m_id;
    union {
        struct {
            uint32_t size : 15;
            uint32_t italic : 1;
            uint32_t bold : 1;
            uint32_t outline : 1;
        } m_packed;
        uint32_t m_packed_init;
    };
};

} // namespace tb

#endif // TB_FONT_DESC_H