korfont.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * 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/>.
 *
 */

#ifndef GRAPHICS_KORFONT_H
#define GRAPHICS_KORFONT_H

#include "common/str.h"
#include "graphics/surface.h"

namespace Graphics {

class FontKorean {
public:
    virtual ~FontKorean() {}

    static FontKorean *createFont(const char * fontFile);

    virtual bool loadData(const char *fontFile) = 0;

    enum DrawingMode {
        kDefaultMode,
        kOutlineMode,
        kShadowMode
    };

    virtual void setDrawingMode(DrawingMode mode) {}

    virtual void toggleFlippedMode(bool enable) {}

    virtual void setCharSpacing(int spacing) {}
    virtual void setLineSpacing(int spacing) {}

    virtual uint getFontHeight() const = 0;

    virtual uint getMaxFontWidth() const = 0;

    virtual uint getCharWidth(uint16 ch) const = 0;

    void drawChar(Graphics::Surface &dst, uint16 ch, int x, int y, uint32 c1, uint32 c2) const;

    virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2, int maxW, int maxH) const = 0;
};

class FontKoreanBase : public FontKorean {
public:
    FontKoreanBase();

    virtual void setDrawingMode(DrawingMode mode);

    virtual void toggleFlippedMode(bool enable);

    virtual uint getFontHeight() const;

    virtual uint getMaxFontWidth() const;

    virtual uint getCharWidth(uint16 ch) const;

    virtual void drawChar(void *dst, uint16 ch, int pitch, int bpp, uint32 c1, uint32 c2, int maxW, int maxH) const;
private:
    template<typename Color>
    void blitCharacter(const uint8 *glyph, const int w, const int h, uint8 *dst, int pitch, Color c) const;
    void createOutline(uint8 *outline, const uint8 *glyph, const int w, const int h) const;

protected:
    DrawingMode _drawMode;
    bool _flippedMode;
    int _fontWidth, _fontHeight;
    uint8 _bitPosNewLineMask;

    bool isASCII(uint16 ch) const;

    virtual const uint8 *getCharData(uint16 c) const = 0;

    enum DrawingFeature {
        kFeatDefault        = 1 << 0,
        kFeatOutline        = 1 << 1,
        kFeatShadow         = 1 << 2,
        kFeatFMTownsShadow  = 1 << 3,
        kFeatFlipped        = 1 << 4
    };

    virtual bool hasFeature(int feat) const = 0;
};

class FontKoreanSVM : public FontKoreanBase {
public:
    FontKoreanSVM();
    ~FontKoreanSVM();
    bool loadData(const char *fontFile);
private:
    uint8 *_fontData16x16;
    uint _fontData16x16Size;

    uint8 *_fontData8x16;
    uint _fontData8x16Size;

    uint8 *_fontData8x8;
    uint _fontData8x8Size;

    virtual const uint8 *getCharData(uint16 c) const;

    bool hasFeature(int feat) const;

    const uint8 *getCharDataPCE(uint16 c) const;
    const uint8 *getCharDataDefault(uint16 c) const;

    enum {
        kKoreanFontVersion = 3
    };
};

class FontKoreanWansung : public FontKoreanBase {
public:
    FontKoreanWansung();
    ~FontKoreanWansung();
    bool loadData(const char *fontFile);
private:
    enum {
        eFontNumChars = 256,
        kFontNumChars = 2530
    };

    int _fontShadow;
    uint8 *_fontData;
    uint _fontDataSize;

    int _englishFontWidth;
    int _englishFontHeight;
    uint8 *_englishFontData;
    uint _englishFontDataSize;


    virtual const uint8 *getCharData(uint16 c) const;

    bool hasFeature(int feat) const;

    bool englishLoadData(const char *fontFile);
};
} // End of namespace Graphics

#endif