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/*
* Copyright © 2016 Keith Packard <keithp@keithp.com>
*
* 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.
*/
#include "ao.h"
#include "ao_draw.h"
#include "ao_font.h"
void
ao_text(char *string,
uint32_t *dst_line,
int16_t dst_stride,
int16_t dst_x)
{
char c;
uint32_t src[GLYPH_HEIGHT];
while ((c = *string++)) {
uint8_t *bytes = &glyph_bytes[glyph_pos[(uint8_t) c]];
int h;
for (h = 0; h < GLYPH_HEIGHT; h++)
src[h] = bytes[h];
ao_blt(src, 1, 0,
dst_line, dst_stride,
dst_x,
GLYPH_WIDTH,
GLYPH_HEIGHT,
AO_AND_INVERTED,
0, 0);
dst_x += GLYPH_WIDTH;
}
}
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