kicad/common/gal/opengl/gl_resources.h

/*
* This program source code file is part of KICAD, a free EDA CAD application.
*
* Copyright (C) 2016 Kicad Developers, see change_log.txt for contributors.
*
* 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 2
* 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, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
*/

#ifndef GAL_OPENGL_RESOURCES_H___
#define GAL_OPENGL_RESOURCES_H___

#define BITMAP_FONT_USE_SPANS

namespace KIGFX {

    namespace BUILTIN_FONT {

        struct FONT_IMAGE_TYPE
        {
            unsigned int width, height;
            unsigned int char_border;
            unsigned int spacing;
            unsigned char pixels[1024 * 1024 * 3];
        };

        struct FONT_INFO_TYPE
        {
            unsigned int smooth_pixels;
            float min_y;
            float max_y;
        };

        struct FONT_SPAN_TYPE
        {
            unsigned int start;
            unsigned int end;
            unsigned int cumulative;
        };

        struct FONT_GLYPH_TYPE
        {
            unsigned int atlas_x, atlas_y;
            unsigned int atlas_w, atlas_h;
            float minx, maxx;
            float miny, maxy;
            float advance;
        };

        extern FONT_IMAGE_TYPE font_image;
        extern FONT_INFO_TYPE  font_information;

        const FONT_GLYPH_TYPE* LookupGlyph( unsigned int aCodePoint );

    }

}

#endif