root/font/font.h

/*
 * Copyright (c) 2004  Kazunori "jagarl" Ueno
 * Copyright (c) 2000, 2001 Yuki Sawada
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 * 3. The name of the author may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef __FONT_TYPES_H__
#define __FONT_TYPES_H__

#ifdef HAVE_CONFIG_H
#  include "config.h"
#endif

#include <vector>

class TextHorizLayout;
class TextStream;
class TextGlyphStream;

namespace XKFont {
        class Font;
        class Face;
        class Peer;
        class Glyph;
        class Cache;

        struct Font {
                public:
                        Font(const char* fontname, int size);
                        ~Font();
                        Face* FaceLoad(double scale);
                        int vsize;
                private:
                        class FontImpl* pimpl;
        };

        struct Face {
                public:
                        Face(const char *name, int index, int hsize, int vsize);
                        ~Face();
                        Glyph* GlyphLoad(unsigned int code);

                private:
                        Cache* cache;
                        typedef std::vector<Peer*>::iterator iterator;
                        std::vector<Peer*> peer;
        };

        struct Peer {
                public:
                        Peer(void) {}
                        virtual ~Peer() {};
                        virtual bool GlyphCreate(unsigned int code, Glyph* glyph) = 0;
        };

        struct Glyph {
                public:
                        struct _bitmap {
                                int width;
                                int rows;
                                unsigned char *buffer;
                                _bitmap() : buffer(0) {}
                                ~_bitmap() { delete[] buffer;}
                        } bitmap;
#if 0
                        struct _metrics {
                                int ascender;
                                int descender;
                        } metrics;
#endif
                        struct _advance {
                                int x;
                                int y;
                        } advance;

                        Glyph() : bitmap() {}
                        ~Glyph() {}
                        int bitmap_left;
                        int bitmap_top;
        };

        struct HorizLayout {
                public:
                        HorizLayout(const char* fontname, int size);
                        ~HorizLayout();
                        void Layout(::TextStream& stream, ::TextGlyphStream& glyph, std::vector<int>& lineheights, int width);
                        ::TextGlyphStream Layout(const char* str, int width, int r=0xff, int g=0xff, int b=0xff);
                        ::TextGlyphStream Layout(TextStream ts, int width);
                private:
                        Font* font;
                        class ::TextHorizLayout* pimpl;
        };

} /* end of namespace XKFont */

#endif