Mercurial > molko
diff src/font.h @ 10:c91c3272101b
core: implement fonts, closes #2444
author | David Demelier <markand@malikania.fr> |
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date | Tue, 07 Jan 2020 20:28:35 +0100 |
parents | |
children | fc71221b7bee |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/font.h Tue Jan 07 20:28:35 2020 +0100 @@ -0,0 +1,77 @@ +/* + * font.h -- basic font management + * + * Copyright (c) 2020 David Demelier <markand@malikania.fr> + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef MOLKO_FONT_H +#define MOLKO_FONT_H + +/** + * \file font.h + * \brief Basic font management. + */ + +#include <stddef.h> + +struct font; +struct texture; + +/** + * Open font from path file. + * + * \pre path != NULL + * \param path the path to the font + * \param size the desired size + * \return the font or NULL on error + */ +struct font * +font_openf(const char *path, unsigned size); + +/** + * Open font from memory buffer. + * + * \pre buffer != NULL + * \param buffer the memory buffer + * \param buflen the memory buffer length + * \param size the desired size + * \warning The buffer must remain valid until font is closed + * \return the font or NULL on error + */ +struct font * +font_openb(const void *buffer, size_t buflen, unsigned size); + +/** + * Render a text. + * + * \pre font != NULL + * \pre text != NULL + * \param font the font handle + * \param text the text in UTF-8 + * \param color the color + */ +struct texture * +font_render(struct font *font, const char *text, uint32_t color); + +/** + * Close the font. + * + * \pre font != NULL + * \param font the font handle + */ +void +font_close(struct font *font); + +#endif /* !MOLKO_FONT_H */