1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* 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 2
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef WINTERMUTE_TRANSFORMTOOLS_H
#define WINTERMUTE_TRANSFORMTOOLS_H
#include "engines/wintermute/math/rect32.h"
#include "engines/wintermute/math/floatpoint.h"
#include "engines/wintermute/graphics/transform_struct.h"
namespace Wintermute {
class TransformTools {
public:
/**
* Basic transform (scale + rotate) for a single point
*/
static FloatPoint transformPoint(FloatPoint point, float rotate, Point32 zoom, bool mirrorX = false, bool mirrorY = false);
/**
* Takes a rectangle, a transform and a pointer to a point, "newHotspot".
* In return you get the smallest rect that can contain the transformed sprite
* and, as a side-effect, "newHotspot" will tell you where the hotspot will
* have ended up in the new rect, for centering.
*/
static Rect32 newRect (Rect32 oldRect, const TransformStruct &transform, Point32 *newHotspot);
};
} // End of namespace Wintermute
#endif
|