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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
// SPDX-FileCopyrightText: 2023 Klarälvdalens Datakonsult AB, a KDAB Group company <info@kdab.com>
// SPDX-FileContributor: Andrew Hayzen <andrew.hayzen@kdab.com>
//
// SPDX-License-Identifier: MIT OR Apache-2.0
use std::fmt;
use cxx::{type_id, ExternType};
use crate::{QPoint, QPointF, QVector2D, QVector3D};
#[cxx::bridge]
mod ffi {
unsafe extern "C++" {
include!("cxx-qt-lib/qpoint.h");
type QPoint = crate::QPoint;
include!("cxx-qt-lib/qpointf.h");
type QPointF = crate::QPointF;
include!("cxx-qt-lib/qstring.h");
type QString = crate::QString;
include!("cxx-qt-lib/qvector2d.h");
type QVector2D = crate::QVector2D;
include!("cxx-qt-lib/qvector3d.h");
type QVector3D = crate::QVector3D;
include!("cxx-qt-lib/qvector4d.h");
type QVector4D = super::QVector4D;
/// Returns `true` if the x, y, z, and w coordinates are set to 0.0, otherwise returns `false`.
#[rust_name = "is_null"]
fn isNull(self: &QVector4D) -> bool;
/// Returns the length of the vector from the origin.
fn length(self: &QVector4D) -> f32;
/// Returns the squared length of the vector from the origin.
/// This is equivalent to the dot product of the vector with itself.
#[rust_name = "length_squared"]
fn lengthSquared(self: &QVector4D) -> f32;
/// Normalizes the current vector in place. Nothing happens
/// if this vector is a null vector or the length of the vector is very close to 1.
fn normalize(self: &mut QVector4D);
/// Returns the normalized unit vector form of this vector.
///
/// If this vector is null, then a null vector is returned.
/// If the length of the vector is very close to 1, then the vector will be returned as-is.
/// Otherwise the normalized form of the vector of length 1 will be returned.
fn normalized(self: &QVector4D) -> QVector4D;
/// Sets the w coordinate of this point to the given finite `w` coordinate.
#[rust_name = "set_w"]
fn setW(self: &mut QVector4D, w: f32);
/// Sets the x coordinate of this point to the given finite `x` coordinate.
#[rust_name = "set_x"]
fn setX(self: &mut QVector4D, x: f32);
/// Sets the y coordinate of this point to the given finite `y` coordinate.
#[rust_name = "set_y"]
fn setY(self: &mut QVector4D, y: f32);
/// Sets the z coordinate of this point to the given finite `z` coordinate.
#[rust_name = "set_z"]
fn setZ(self: &mut QVector4D, z: f32);
// From trait is more idiomatic to Rust and implemented in QPoint and QPointF
#[doc(hidden)]
#[rust_name = "to_point"]
fn toPoint(self: &QVector4D) -> QPoint;
#[doc(hidden)]
#[rust_name = "to_pointf"]
fn toPointF(self: &QVector4D) -> QPointF;
/// Returns the 2D vector form of this 4D vector,
/// dividing the x and y coordinates by the w coordinate and dropping the z coordinate.
/// Returns a null vector if w is zero.
#[rust_name = "to_vector_2d_affine"]
fn toVector2DAffine(self: &QVector4D) -> QVector2D;
/// Returns the 3D vector form of this 4D vector,
/// dividing the x, y, and z coordinates by the w coordinate.
/// Returns a null vector if w is zero.
#[rust_name = "to_vector_3d_affine"]
fn toVector3DAffine(self: &QVector4D) -> QVector3D;
/// Returns the w coordinate of this point.
fn w(self: &QVector4D) -> f32;
/// Returns the x coordinate of this point.
fn x(self: &QVector4D) -> f32;
/// Returns the y coordinate of this point.
fn y(self: &QVector4D) -> f32;
/// Returns the z coordinate of this point.
fn z(self: &QVector4D) -> f32;
}
#[namespace = "rust::cxxqtlib1"]
unsafe extern "C++" {
include!("cxx-qt-lib/common.h");
#[doc(hidden)]
#[rust_name = "qvector4d_init_qvector3d"]
fn construct(vector: QVector3D) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_init_qvector2d"]
fn construct(vector: QVector2D) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_init_qpointf"]
fn construct(point: QPointF) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_init_qpoint"]
fn construct(point: QPoint) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_init"]
fn construct(x: f32, y: f32, z: f32, w: f32) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_init_default"]
fn construct() -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_to_debug_qstring"]
fn toDebugQString(value: &QVector4D) -> QString;
#[doc(hidden)]
#[rust_name = "qvector4d_plus"]
fn operatorPlus(a: &QVector4D, b: &QVector4D) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_minus"]
fn operatorMinus(a: &QVector4D, b: &QVector4D) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_mul"]
fn operatorMul(a: f32, b: &QVector4D) -> QVector4D;
#[doc(hidden)]
#[rust_name = "qvector4d_div"]
fn operatorDiv(a: f32, b: &QVector4D) -> QVector4D;
}
}
/// The QVector4D class represents a vector or vertex in 4D space.
///
/// Qt Documentation: [QVector4D](https://doc.qt.io/qt/qvector4d.html#details)
#[derive(Debug, Clone, PartialEq)]
#[repr(C)]
pub struct QVector4D {
v: [f32; 4],
}
impl QVector4D {
/// Constructs a vector with coordinates (`xpos`, `ypos`, `zpos`, `wpos`).
/// All parameters must be finite.
pub fn new(xpos: f32, ypos: f32, zpos: f32, wpos: f32) -> Self {
ffi::qvector4d_init(xpos, ypos, zpos, wpos)
}
}
impl Default for QVector4D {
/// Constructs a null vector, i.e. with coordinates (0, 0, 0, 0).
fn default() -> Self {
ffi::qvector4d_init_default()
}
}
impl fmt::Display for QVector4D {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
ffi::qvector4d_to_debug_qstring(self).fmt(f)
}
}
impl std::ops::Add for QVector4D {
type Output = Self;
fn add(self, other: Self) -> Self {
ffi::qvector4d_plus(&self, &other)
}
}
impl std::ops::Sub for QVector4D {
type Output = Self;
fn sub(self, other: Self) -> Self {
ffi::qvector4d_minus(&self, &other)
}
}
impl std::ops::Mul<f32> for QVector4D {
type Output = Self;
fn mul(self, rhs: f32) -> Self {
ffi::qvector4d_mul(rhs, &self)
}
}
impl std::ops::Div<f32> for QVector4D {
type Output = Self;
fn div(self, rhs: f32) -> Self {
ffi::qvector4d_div(rhs, &self)
}
}
impl From<QVector3D> for QVector4D {
/// Constructs a 4D vector from the specified 3D vector.
/// The w coordinate is set to zero.
fn from(value: QVector3D) -> Self {
ffi::qvector4d_init_qvector3d(value)
}
}
impl From<QVector2D> for QVector4D {
/// Constructs a 4D vector from the specified 2D vector.
/// The z and w coordinates are set to zero.
fn from(value: QVector2D) -> Self {
ffi::qvector4d_init_qvector2d(value)
}
}
impl From<QPointF> for QVector4D {
/// Constructs a vector with x and y coordinates from a 2D point, and z and w coordinates of 0.
fn from(value: QPointF) -> Self {
ffi::qvector4d_init_qpointf(value)
}
}
impl From<QVector4D> for QPointF {
/// Returns the `QPointF` form of this 4D vector. The z and w coordinates are dropped.
fn from(value: QVector4D) -> Self {
value.to_pointf()
}
}
impl From<QPoint> for QVector4D {
/// Constructs a vector with x and y coordinates from a 2D point, and z and w coordinates of 0.
fn from(value: QPoint) -> Self {
ffi::qvector4d_init_qpoint(value)
}
}
impl From<QVector4D> for QPoint {
/// Returns the `QPoint` form of this 4D vector. The z and w coordinates are dropped.
/// The x and y coordinates are rounded to nearest integers.
fn from(value: QVector4D) -> Self {
value.to_point()
}
}
// Safety:
//
// Static checks on the C++ side ensure that QVector4D is trivial.
unsafe impl ExternType for QVector4D {
type Id = type_id!("QVector4D");
type Kind = cxx::kind::Trivial;
}