79 lines
2.4 KiB
C++
79 lines
2.4 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 QDENGINE_SYSTEM_GRAPHICS_GR_TILE_SPRITE_H
|
||
#define QDENGINE_SYSTEM_GRAPHICS_GR_TILE_SPRITE_H
|
||
|
||
namespace QDEngine {
|
||
|
||
const int GR_TILE_SPRITE_SIZE_SHIFT = 4;
|
||
const int GR_TILE_SPRITE_SIZE_X = 1 << GR_TILE_SPRITE_SIZE_SHIFT;
|
||
const int GR_TILE_SPRITE_SIZE_Y = 1 << GR_TILE_SPRITE_SIZE_SHIFT;
|
||
|
||
const int GR_TILE_SPRITE_SIZE = GR_TILE_SPRITE_SIZE_X * GR_TILE_SPRITE_SIZE_Y;
|
||
const int GR_TILE_SPRITE_SIZE_BYTES = GR_TILE_SPRITE_SIZE * 4;
|
||
|
||
enum grTileCompressionMethod {
|
||
TILE_UNCOMPRESSED,
|
||
TILE_COMPRESS_RLE,
|
||
TILE_COMPRESS_LZ77
|
||
};
|
||
|
||
/// Тайл-спрайт
|
||
|
||
/// Квадратный 32х битный спрайт фиксированного размера.
|
||
/// Данные внешние.
|
||
class grTileSprite {
|
||
public:
|
||
grTileSprite(const uint32 *data_ptr = 0);
|
||
|
||
bool operator == (const grTileSprite &sprite) const;
|
||
|
||
bool isEmpty() const {
|
||
return !_data;
|
||
}
|
||
|
||
const uint32 *data() const {
|
||
return _data;
|
||
}
|
||
|
||
static uint32 comprasionTolerance() {
|
||
return _comprasionTolerance;
|
||
}
|
||
static void setComprasionTolerance(uint32 value) {
|
||
_comprasionTolerance = value;
|
||
}
|
||
|
||
static uint32 compress(const uint32 *in_data, uint32 *out_data, grTileCompressionMethod compress_method);
|
||
static bool uncompress(const uint32 *in_data, uint32 in_data_length, uint32 *out_data, grTileCompressionMethod compress_method);
|
||
|
||
private:
|
||
|
||
const uint32 *_data;
|
||
|
||
/// толерантность побайтового сравнения данных, [0, 255]
|
||
static uint32 _comprasionTolerance;
|
||
};
|
||
|
||
} // namespace QDEngine
|
||
|
||
#endif // QDENGINE_SYSTEM_GRAPHICS_GR_TILE_SPRITE_H
|