mirror of
https://github.com/42wim/matterbridge.git
synced 2024-11-27 05:02:02 -08:00
117 lines
4.0 KiB
C
117 lines
4.0 KiB
C
|
/*
|
||
|
|
* Copyright (c) 2020 Samsung Electronics Co., Ltd. All rights reserved.
|
||
|
|
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
|
||
|
|
* The above copyright notice and this permission notice shall be included in all
|
||
|
|
* copies or substantial portions of the Software.
|
||
|
|
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
* SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef VMATRIX_H
|
||
|
|
#define VMATRIX_H
|
||
|
|
#include "vector_vglobal.h"
|
||
|
|
#include "vector_vpoint.h"
|
||
|
|
#include "vector_vrect.h"
|
||
|
|
|
||
|
|
V_BEGIN_NAMESPACE
|
||
|
|
|
||
|
|
struct VMatrixData;
|
||
|
|
class VMatrix {
|
||
|
|
public:
|
||
|
|
enum class Axis { X, Y, Z };
|
||
|
|
enum class MatrixType: unsigned char {
|
||
|
|
None = 0x00,
|
||
|
|
Translate = 0x01,
|
||
|
|
Scale = 0x02,
|
||
|
|
Rotate = 0x04,
|
||
|
|
Shear = 0x08,
|
||
|
|
Project = 0x10
|
||
|
|
};
|
||
|
|
VMatrix() = default;
|
||
|
|
bool isAffine() const;
|
||
|
|
bool isIdentity() const;
|
||
|
|
bool isInvertible() const;
|
||
|
|
bool isScaling() const;
|
||
|
|
bool isRotating() const;
|
||
|
|
bool isTranslating() const;
|
||
|
|
MatrixType type() const;
|
||
|
|
inline float determinant() const;
|
||
|
|
|
||
|
|
float m_11() const { return m11;}
|
||
|
|
float m_12() const { return m12;}
|
||
|
|
float m_13() const { return m13;}
|
||
|
|
|
||
|
|
float m_21() const { return m21;}
|
||
|
|
float m_22() const { return m22;}
|
||
|
|
float m_23() const { return m23;}
|
||
|
|
|
||
|
|
float m_tx() const { return mtx;}
|
||
|
|
float m_ty() const { return mty;}
|
||
|
|
float m_33() const { return m33;}
|
||
|
|
|
||
|
|
VMatrix &translate(VPointF pos) { return translate(pos.x(), pos.y()); }
|
||
|
|
VMatrix &translate(float dx, float dy);
|
||
|
|
VMatrix &scale(VPointF s) { return scale(s.x(), s.y()); }
|
||
|
|
VMatrix &scale(float sx, float sy);
|
||
|
|
VMatrix &shear(float sh, float sv);
|
||
|
|
VMatrix &rotate(float a, Axis axis = VMatrix::Axis::Z);
|
||
|
|
VMatrix &rotateRadians(float a, Axis axis = VMatrix::Axis::Z);
|
||
|
|
|
||
|
|
VPointF map(const VPointF &p) const;
|
||
|
|
inline VPointF map(float x, float y) const;
|
||
|
|
VRect map(const VRect &r) const;
|
||
|
|
|
||
|
|
V_REQUIRED_RESULT VMatrix inverted(bool *invertible = nullptr) const;
|
||
|
|
V_REQUIRED_RESULT VMatrix adjoint() const;
|
||
|
|
|
||
|
|
VMatrix operator*(const VMatrix &o) const;
|
||
|
|
VMatrix & operator*=(const VMatrix &);
|
||
|
|
VMatrix & operator*=(float mul);
|
||
|
|
VMatrix & operator/=(float div);
|
||
|
|
bool operator==(const VMatrix &) const;
|
||
|
|
bool operator!=(const VMatrix &) const;
|
||
|
|
bool fuzzyCompare(const VMatrix &) const;
|
||
|
|
float scale() const;
|
||
|
|
private:
|
||
|
|
friend struct VSpanData;
|
||
|
|
float m11{1}, m12{0}, m13{0};
|
||
|
|
float m21{0}, m22{1}, m23{0};
|
||
|
|
float mtx{0}, mty{0}, m33{1};
|
||
|
|
mutable MatrixType mType{MatrixType::None};
|
||
|
|
mutable MatrixType dirty{MatrixType::None};
|
||
|
|
};
|
||
|
|
|
||
|
|
inline float VMatrix::scale() const
|
||
|
|
{
|
||
|
|
constexpr float SQRT_2 = 1.41421f;
|
||
|
|
VPointF p1(0, 0);
|
||
|
|
VPointF p2(SQRT_2, SQRT_2);
|
||
|
|
p1 = map(p1);
|
||
|
|
p2 = map(p2);
|
||
|
|
VPointF final = p2 - p1;
|
||
|
|
|
||
|
|
return std::sqrt(final.x() * final.x() + final.y() * final.y()) / 2.0f;
|
||
|
|
}
|
||
|
|
|
||
|
|
inline VPointF VMatrix::map(float x, float y) const
|
||
|
|
{
|
||
|
|
return map(VPointF(x, y));
|
||
|
|
}
|
||
|
|
|
||
|
|
V_END_NAMESPACE
|
||
|
|
|
||
|
|
#endif // VMATRIX_H
|