TGUI  0.10-dev
Transform.hpp
1
2//
3// TGUI - Texus' Graphical User Interface
4// Copyright (C) 2012-2021 Bruno Van de Velde (vdv_b@tgui.eu)
5//
6// This software is provided 'as-is', without any express or implied warranty.
7// In no event will the authors be held liable for any damages arising from the use of this software.
8//
9// Permission is granted to anyone to use this software for any purpose,
10// including commercial applications, and to alter it and redistribute it freely,
11// subject to the following restrictions:
12//
13// 1. The origin of this software must not be misrepresented;
14// you must not claim that you wrote the original software.
15// If you use this software in a product, an acknowledgment
16// in the product documentation would be appreciated but is not required.
17//
18// 2. Altered source versions must be plainly marked as such,
19// and must not be misrepresented as being the original software.
20//
21// 3. This notice may not be removed or altered from any source distribution.
22//
24
25
26#ifndef TGUI_TRANSFORM_HPP
27#define TGUI_TRANSFORM_HPP
28
30
31#include <TGUI/Config.hpp>
32#include <TGUI/Rect.hpp>
33
35
36namespace tgui
37{
40 // Based on sf::Transform from SFML
42 class TGUI_API Transform
43 {
44 public:
45
52
53
67 Transform(float a00, float a01, float a02,
68 float a10, float a11, float a12,
69 float a20, float a21, float a22);
70
71
77 Transform(const float matrix[16]);
78
79
92 const float* getMatrix() const;
93
94
103
104
112 Vector2f transformPoint(const Vector2f& point) const;
113
114
124 FloatRect transformRect(const FloatRect& rectangle) const;
125
126
138
139
147 Transform& translate(const Vector2f& offset);
148
149
161 Transform& rotate(float angle, const Vector2f& center = {0, 0});
162
163
175 Transform& scale(const Vector2f& factors, const Vector2f& center = {0, 0});
176
177
185 Transform operator *(const Transform& right) const;
186 Transform& operator *=(const Transform& right);
187 Vector2f operator *(const Vector2f& right) const;
188
189
194
195
200
201
203 private:
204
205 float m_matrix[16];
206 };
207}
208
210
211#endif // TGUI_TRANSFORM_HPP
Defines a transform matrix.
Definition: Transform.hpp:43
FloatRect transformRect(const FloatRect &rectangle) const
Transform a rectangle.
Transform(float a00, float a01, float a02, float a10, float a11, float a12, float a20, float a21, float a22)
Construct a transform from a 3x3 matrix.
Transform & translate(const Vector2f &offset)
Combine the current transform with a translation.
void roundPositionForText()
Rounds the position stored in the transform to the nearest integer.
void roundPosition()
Rounds the position stored in the transform to the nearest integer.
Transform & combine(const Transform &other)
Combine the current transform with another one.
Transform(const float matrix[16])
Constructs a transform from a 4x4 matrix.
Transform()
Default constructor.
Vector2f transformPoint(const Vector2f &point) const
Transform a 2D point.
Transform getInverse() const
Return the inverse of the transform.
Transform & scale(const Vector2f &factors, const Vector2f &center={0, 0})
Combine the current transform with a scaling.
Transform & rotate(float angle, const Vector2f &center={0, 0})
Combine the current transform with a rotation.
const float * getMatrix() const
Return the transform as a 4x4 matrix.
Namespace that contains all TGUI functions and classes.
Definition: AbsoluteOrRelativeValue.hpp:36