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Diffstat (limited to 'payloads/libpayload/drivers/video/font.h')
-rw-r--r-- | payloads/libpayload/drivers/video/font.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/video/font.h b/payloads/libpayload/drivers/video/font.h new file mode 100644 index 0000000000..a5e0b85c02 --- /dev/null +++ b/payloads/libpayload/drivers/video/font.h @@ -0,0 +1,46 @@ +/* + * This file is part of the libpayload project. + * + * Copyright (C) 2017 Paul Kocialkowski <contact@paulk.fr> + * + * 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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 _DRIVERS_VIDEO_FONT_H +#define _DRIVERS_VIDEO_FONT_H + +#include "font8x16.h" + +extern int font_width; +extern int font_height; + +inline int font_glyph_filled(unsigned int ch, int x, int y) +{ + unsigned char *glyph = font8x16 + ((ch & 0xFF) * FONT_HEIGHT); + return glyph[y] & (1 << x); +} + +void font_init(void); + +#endif |