// * This file is part of the COLOBOT source code
// * Copyright (C) 2001-2008, Daniel ROUX & EPSITEC SA, www.epsitec.ch
// * Copyright (C) 2012, Polish Portal of Colobot (PPC)
// *
// * This program is free software: you can redistribute it and/or modify
// * it under the terms of the GNU General Public License as published by
// * the Free Software Foundation, either version 3 of the License, or
// * (at your option) any later version.
// *
// * This program is distributed in the hope that it will be useful,
// * but WITHOUT ANY WARRANTY; without even the implied warranty of
// * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// * GNU General Public License for more details.
// *
// * You should have received a copy of the GNU General Public License
// * along with this program. If not, see  http://www.gnu.org/licenses/.

// text.h

#pragma once

#include "graphics/common/engine.h"
#include "graphics/common/device.h"
#include "math/point.h"


class CInstanceManager;


namespace Gfx {

const float SMALLFONT = 10.0f;
const float BIGFONT = 15.0f;

const float NORMSTRETCH = 0.8f;



enum FontType
{
    FONT_COLOBOT    = 0,
    FONT_COURIER    = 1,
    FONT_BUTTON     = 2,
};

enum FontTitle
{
    TITLE_BIG       = 0x04,
    TITLE_NORM      = 0x08,
    TITLE_LITTLE    = 0x0c,
};

enum FontColor
{
    COLOR_LINK      = 0x10,
    COLOR_TOKEN     = 0x20,
    COLOR_TYPE      = 0x30,
    COLOR_CONST     = 0x40,
    COLOR_REM       = 0x50,
    COLOR_KEY       = 0x60,
    COLOR_TABLE     = 0x70,
};

const short FONT_MASK = 0x03;
const short TITLE_MASK = 0x0c;
const short COLOR_MASK = 0x70;
const short IMAGE_MASK = 0x80;



class CText {
public:
    CText(CInstanceManager *iMan, Gfx::CEngine* engine);
    ~CText();

    void        SetGLDevice(Gfx::CDevice device);

    void        DrawText(char *string, char *format, int len, Math::Point pos, float width, int justif, float size, float stretch, int eol);
    void        DrawText(char *string, char *format, Math::Point pos, float width, int justif, float size, float stretch, int eol);
    void        DrawText(char *string, int len, Math::Point pos, float width, int justif, float size, float stretch, FontType font, int eol);
    void        DrawText(char *string, Math::Point pos, float width, int justif, float size, float stretch, FontType font, int eol);
    void        DimText(char *string, char *format, int len, Math::Point pos, int justif, float size, float stretch, Math::Point &start, Math::Point &end);
    void        DimText(char *string, char *format, Math::Point pos, int justif, float size, float stretch, Math::Point &start, Math::Point &end);
    void        DimText(char *string, int len, Math::Point pos, int justif, float size, float stretch, FontType font, Math::Point &start, Math::Point &end);
    void        DimText(char *string, Math::Point pos, int justif, float size, float stretch, FontType font, Math::Point &start, Math::Point &end);

    float       RetAscent(float size, FontType font);
    float       RetDescent(float size, FontType font);
    float       RetHeight(float size, FontType font);

    float       RetStringWidth(char *string, char *format, int len, float size, float stretch);
    float       RetStringWidth(char *string, int len, float size, float stretch, FontType font);
    float       RetCharWidth(int character, float offset, float size, float stretch, FontType font);

    int         Justif(char *string, char *format, int len, float width, float size, float stretch);
    int         Justif(char *string, int len, float width, float size, float stretch, FontType font);
    int         Detect(char *string, char *format, int len, float offset, float size, float stretch);
    int         Detect(char *string, int len, float offset, float size, float stretch, FontType font);

protected:
    void        DrawString(char *string, char *format, int len, Math::Point pos, float width, float size, float stretch, int eol);
    void        DrawString(char *string, int len, Math::Point pos, float width, float size, float stretch, FontType font, int eol);
    void        DrawColor(Math::Point pos, float size, float width, int color);
    void        DrawChar(int character, Math::Point pos, float size, float stretch, FontType font);

protected:
    CInstanceManager*   m_iMan;
    Gfx::CEngine*       m_engine;
    Gfx::CDevice        m_pDevice;

};

}; // namespace Gfx