62 lines
1.8 KiB
C++
62 lines
1.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#include "m4/graphics/gr_draw.h"
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#include "m4/graphics/gr_line.h"
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#include "m4/graphics/gr_pal.h"
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namespace M4 {
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void buffer_put_pixel(Buffer *buf, int32 x, int32 y, byte c) {
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*(buf->data + x + (y * buf->stride)) = (uint8)c;
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}
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byte buffer_get_pixel(Buffer *buf, int32 x, int32 y) {
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return *(buf->data + x + (y * buf->stride));
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}
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void buffer_draw_box(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2, byte color) {
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gr_color_set(color);
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gr_hline(buf, x1, x2, y1);
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gr_hline(buf, x1, x2, y2);
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gr_vline(buf, x1, y1, y2);
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gr_vline(buf, x2, y1, y2);
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}
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void buffer_draw_box_xor(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2) {
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gr_hline_xor(buf, x1, x2, y1);
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gr_hline_xor(buf, x1, x2, y2);
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gr_vline_xor(buf, x1, y1 + 1, y2 - 1);
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gr_vline_xor(buf, x2, y1 + 1, y2 - 1);
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}
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int32 buffer_fill(Buffer *target, byte value) {
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if (!target)
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return false;
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if (!target->data)
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return false;
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memset(target->data, value, target->stride * target->h);
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return true;
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}
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} // namespace M4
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