Font.cpp

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/*
     ██╗  ██╗  █████╗  ████████╗  █████╗  ███╗   ██╗  █████╗ 
     ██║ ██╔╝ ██╔══██╗ ╚══██╔══╝ ██╔══██╗ ████╗  ██║ ██╔══██╗
     █████╔╝  ███████║    ██║    ███████║ ██╔██╗ ██║ ███████║
     ██╔═██╗  ██╔══██║    ██║    ██╔══██║ ██║╚██╗██║ ██╔══██║
     ██║  ██╗ ██║  ██║    ██║    ██║  ██║ ██║ ╚████║ ██║  ██║
     ╚═╝  ╚═╝ ╚═╝  ╚═╝/\  ╚═╝    ╚═╝  ╚═╝ ╚═╝  ╚═══╝ ╚═╝  ╚═╝
   /vvvvvvvvvvvvvvvvvvv \=========================================,
   `^^^^^^^^^^^^^^^^^^^ /---------------------------------------"
        Katana Engine \/ © 2012 - Shuriken Studios LLC
                http://www.shurikenstudios.com
*/
 
#include "KatanaEngine.h"
 
namespace KatanaEngine
{
    int Font::s_fontSize = 16;
    int Font::s_restoreSize = 0;
    bool Font::s_alAddonInitialized = false;
    int Font::s_rangeCount = 0;
    int *Font::s_ranges = nullptr;
 
 
    void Font::SetLoadSize(const int size, const bool restore)
    {
        if (restore) s_restoreSize = s_fontSize;
 
        s_fontSize = size;
    }
 
    void Font::SetCharacterRange(const int rangeCount, int ranges[])
    {
        s_rangeCount = rangeCount;
        s_ranges = ranges;
    }
 
    bool Font::Load(const std::string &path, ResourceManager *pManager)
    {
        if (!s_alAddonInitialized)
        {
            al_init_font_addon();
            al_init_ttf_addon();
 
            s_alAddonInitialized = true;
        }
 
        bool isTTF = (path.find(".ttf") != std::string::npos);
        bool isPNG = (path.find(".png") != std::string::npos);
        if (isTTF)
        {
            m_pFont = al_load_ttf_font(path.c_str(), s_fontSize, 0);
        }
        else if (isPNG)
        {
            int ranges[] = { 32, 126 };
 
            if (s_ranges == nullptr)
            {
                s_ranges = ranges;
                s_rangeCount = 1;
            }
 
            Texture *pTexture = pManager->Load<Texture>(path, true, false);
            if (pTexture)
            {
                m_pFont = al_grab_font_from_bitmap(pTexture->GetAllegroBitmap(), s_rangeCount, s_ranges);
            }
 
            s_ranges = nullptr;
        }
        else
        {
            m_pFont = al_load_font(path.c_str(), s_fontSize, 0);
        }
 
        if (s_restoreSize > 0) s_fontSize = s_restoreSize;
 
        return (m_pFont != nullptr);
    }
}