/* * Copyright (c) 2020 Jiri Svoboda * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * - Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * - 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. * - 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. */ /** @addtogroup libgfxfont * @{ */ /** * @file Font structure * */ #ifndef _GFX_PRIVATE_FONT_H #define _GFX_PRIVATE_FONT_H #include <adt/list.h> #include <errno.h> #include <stdint.h> #include <types/gfx/bitmap.h> #include <types/gfx/context.h> #include <types/gfx/font.h> #include <types/gfx/typeface.h> #include <riff/chunk.h> /** Font * * This is private to libgfxfont. * * Font bitmap contains all the glyphs packed side by side (in order of * @c gfx_font_t.glyphs). This is to conserve space and number of bitmaps * used. The baselines of the glyphs are not mutually aligned. * For each glyph @c gfx_glyph_t.origin designates * pen start point (and thus the position of the baseline). */ struct gfx_font { /** Containing typeface */ struct gfx_typeface *typeface; /** Containing font info */ struct gfx_font_info *finfo; /** Font metrics */ gfx_font_metrics_t metrics; /** Glyphs */ list_t glyphs; /** Font bitmap */ gfx_bitmap_t *bitmap; /** Bitmap rectangle */ gfx_rect_t rect; }; /** Font info * * This is an entry in the list of fonts in typeface */ struct gfx_font_info { /** Containing typeface */ struct gfx_typeface *typeface; /** Link to @c typeface->fonts */ link_t lfonts; /** Font properties */ gfx_font_props_t props; /** Font or @c NULL if font is not present in memory */ struct gfx_font *font; /** Font chunk from which font can be read */ riff_rchunk_t fontck; }; extern errno_t gfx_font_splice_at_glyph(gfx_font_t *, gfx_glyph_t *, gfx_rect_t *); extern errno_t gfx_font_info_load(gfx_typeface_t *, riff_rchunk_t *); extern errno_t gfx_font_bitmap_pack(gfx_coord_t, gfx_coord_t, uint32_t *, void **, size_t *); extern errno_t gfx_font_bitmap_unpack(gfx_coord_t, gfx_coord_t, void *, size_t, uint32_t *); extern errno_t gfx_font_load(gfx_font_info_t *); extern errno_t gfx_font_save(gfx_font_info_t *, riffw_t *); #endif /** @} */