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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_draw_int.h"
#include "ao_font.h"
const struct ao_font ao_font = {
.width = GLYPH_WIDTH,
.height = GLYPH_HEIGHT,
.ascent = GLYPH_ASCENT,
.descent = GLYPH_HEIGHT - GLYPH_ASCENT,
};
void
ao_text(const struct ao_bitmap *dst,
int16_t x,
int16_t y,
char *string,
uint32_t fill,
uint8_t rop)
{
uint32_t src[GLYPH_HEIGHT];
char c;
int h;
struct ao_bitmap src_bitmap = {
.base = src,
.stride = 1,
.width = GLYPH_WIDTH,
.height = GLYPH_HEIGHT
};
y -= GLYPH_ASCENT;
rop = (rop & 3) | 0x4;
if ((fill&1) == 0)
rop ^= 3;
while ((c = *string++)) {
const uint8_t *bytes = &glyph_bytes[glyph_pos[(uint8_t) c]];
for (h = 0; h < GLYPH_HEIGHT; h++)
src[h] = bytes[h];
ao_copy(dst,
x, y, GLYPH_WIDTH, GLYPH_HEIGHT,
&src_bitmap,
0, 0, rop);
x += GLYPH_WIDTH;
}
}
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