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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/>.
*
*/
#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
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