58 lines
1.7 KiB
C++
58 lines
1.7 KiB
C++
/* 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/>.
|
|
*
|
|
*/
|
|
|
|
#ifndef M4_GRAPHICS_GR_DRAW_H
|
|
#define M4_GRAPHICS_GR_DRAW_H
|
|
|
|
#include "m4/m4_types.h"
|
|
|
|
namespace M4 {
|
|
|
|
/**
|
|
* Given X, Y sets the value of the pixel at that position
|
|
*/
|
|
void buffer_put_pixel(Buffer *buf, int32 x, int32 y, byte c);
|
|
|
|
/**
|
|
* Given X, Y returns value of pixel at that address on the screen
|
|
*/
|
|
byte buffer_get_pixel(Buffer *buf, int32 x, int32 y);
|
|
|
|
/**
|
|
* Draws outside edge of retangle given home and size along both axis
|
|
*/
|
|
void buffer_draw_box(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2, byte color);
|
|
|
|
/**
|
|
* Draws a rectangle using xor
|
|
*/
|
|
void buffer_draw_box_xor(Buffer *buf, int32 x1, int32 y1, int32 x2, int32 y2);
|
|
|
|
/**
|
|
* Fills an entire buffer with a single byte value.
|
|
* @returns Returns True if successful, FALSE if buffer invalid.
|
|
*/
|
|
int32 buffer_fill(Buffer *target, byte value);
|
|
|
|
} // namespace M4
|
|
|
|
#endif
|