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Transform.h
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1
2//
3// SFML - Simple and Fast Multimedia Library
4// Copyright (C) 2007-2024 Laurent Gomila (laurent@sfml-dev.org)
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#ifndef SFML_TRANSFORM_H
26#define SFML_TRANSFORM_H
27
29// Headers
32#include <SFML/Graphics/Rect.h>
33#include <SFML/Graphics/Types.h>
34#include <SFML/System/Vector2.h>
35
36
37
42typedef struct
43{
44 float matrix[9];
46
47
53
71 float a10, float a11, float a12,
72 float a20, float a21, float a22);
73
92CSFML_GRAPHICS_API void sfTransform_getMatrix(const sfTransform* transform, float* matrix);
93
105
116
133
146
155CSFML_GRAPHICS_API void sfTransform_translate(sfTransform* transform, float x, float y);
156
165
180CSFML_GRAPHICS_API void sfTransform_rotateWithCenter(sfTransform* transform, float angle, float centerX, float centerY);
181
190CSFML_GRAPHICS_API void sfTransform_scale(sfTransform* transform, float scaleX, float scaleY);
191
207CSFML_GRAPHICS_API void sfTransform_scaleWithCenter(sfTransform* transform, float scaleX, float scaleY, float centerX, float centerY);
208
222
223#endif // SFML_TRANSFORM_H
int sfBool
Definition Config.h:153
#define CSFML_GRAPHICS_API
sfTransform sfTransform_fromMatrix(float a00, float a01, float a02, float a10, float a11, float a12, float a20, float a21, float a22)
Create a new transform from a matrix.
void sfTransform_combine(sfTransform *transform, const sfTransform *other)
Combine two transforms.
sfTransform sfTransform_getInverse(const sfTransform *transform)
Return the inverse of a transform.
sfFloatRect sfTransform_transformRect(const sfTransform *transform, sfFloatRect rectangle)
Apply a transform to a rectangle.
void sfTransform_translate(sfTransform *transform, float x, float y)
Combine a transform with a translation.
void sfTransform_rotateWithCenter(sfTransform *transform, float angle, float centerX, float centerY)
Combine the current transform with a rotation.
void sfTransform_scaleWithCenter(sfTransform *transform, float scaleX, float scaleY, float centerX, float centerY)
Combine the current transform with a scaling.
void sfTransform_scale(sfTransform *transform, float scaleX, float scaleY)
Combine the current transform with a scaling.
const sfTransform sfTransform_Identity
Identity transform (does nothing)
Definition Transform.h:52
sfVector2f sfTransform_transformPoint(const sfTransform *transform, sfVector2f point)
Apply a transform to a 2D point.
void sfTransform_rotate(sfTransform *transform, float angle)
Combine the current transform with a rotation.
void sfTransform_getMatrix(const sfTransform *transform, float *matrix)
Return the 4x4 matrix of a transform.
sfBool sfTransform_equal(sfTransform *left, sfTransform *right)
Compare two transforms for equality.
sfFloatRect and sfIntRect are utility classes for manipulating rectangles.
Definition Rect.h:41
Encapsulate a 3x3 transform matrix.
Definition Transform.h:43
2-component vector of floats
Definition Vector2.h:61