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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"
#define bound(val,max) do { \
if (val < 0) { \
val = 0; \
} \
if (val > max) { \
val = max; \
} \
} while (0)
void
ao_rect(const struct ao_bitmap *dst,
int16_t x,
int16_t y,
int16_t width,
int16_t height,
uint32_t fill,
uint8_t rop)
{
int16_t x2 = x + width;
int16_t y2 = y + height;
bound(x, dst->width);
bound(x2, dst->width);
bound(y, dst->height);
bound(y2, dst->height);
if (x < x2 && y < y2) {
ao_solid(ao_and(rop, fill),
ao_xor(rop, fill),
dst->base + y * dst->stride,
dst->stride,
x,
x2 - x,
y2 - y);
}
}
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