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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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 3 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.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include "m4/graphics/gr_draw.h"
#include "m4/graphics/gr_line.h"
#include "m4/graphics/gr_pal.h"
namespace M4 {
void buffer_put_pixel(Buffer *buf, int32 x, int32 y, byte c) {
*(buf->data + x + (y * buf->stride)) = (uint8)c;
}
byte buffer_get_pixel(Buffer *buf, int32 x, int32 y) {
return *(buf->data + x + (y * buf->stride));
}
void buffer_draw_box(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2, byte color) {
gr_color_set(color);
gr_hline(buf, x1, x2, y1);
gr_hline(buf, x1, x2, y2);
gr_vline(buf, x1, y1, y2);
gr_vline(buf, x2, y1, y2);
}
void buffer_draw_box_xor(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2) {
gr_hline_xor(buf, x1, x2, y1);
gr_hline_xor(buf, x1, x2, y2);
gr_vline_xor(buf, x1, y1 + 1, y2 - 1);
gr_vline_xor(buf, x2, y1 + 1, y2 - 1);
}
int32 buffer_fill(Buffer *target, byte value) {
if (!target)
return false;
if (!target->data)
return false;
memset(target->data, value, target->stride * target->h);
return true;
}
} // namespace M4
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