skia_safe/core/
rrect.rs

1use crate::{interop, prelude::*, scalar, Matrix, Rect, Vector};
2use skia_bindings::{self as sb, SkRRect};
3use std::{fmt, mem, ptr};
4
5pub use skia_bindings::SkRRect_Type as Type;
6variant_name!(Type::Complex);
7
8pub use skia_bindings::SkRRect_Corner as Corner;
9variant_name!(Corner::LowerLeft);
10
11#[derive(Copy, Clone)]
12#[repr(transparent)]
13pub struct RRect(SkRRect);
14
15native_transmutable!(SkRRect, RRect);
16
17impl PartialEq for RRect {
18    fn eq(&self, rhs: &Self) -> bool {
19        unsafe { sb::C_SkRRect_Equals(self.native(), rhs.native()) }
20    }
21}
22
23impl Default for RRect {
24    fn default() -> Self {
25        Self::new()
26    }
27}
28
29impl fmt::Debug for RRect {
30    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
31        f.debug_struct("RRect")
32            .field("rect", &self.rect())
33            .field(
34                "radii",
35                &[
36                    self.radii(Corner::UpperLeft),
37                    self.radii(Corner::UpperRight),
38                    self.radii(Corner::LowerRight),
39                    self.radii(Corner::LowerLeft),
40                ],
41            )
42            .field("type", &self.get_type())
43            .finish()
44    }
45}
46
47impl AsRef<RRect> for RRect {
48    fn as_ref(&self) -> &RRect {
49        self
50    }
51}
52
53impl RRect {
54    pub fn new() -> Self {
55        RRect::construct(|rr| unsafe { sb::C_SkRRect_Construct(rr) })
56    }
57
58    pub fn get_type(&self) -> Type {
59        unsafe { sb::C_SkRRect_getType(self.native()) }
60    }
61
62    pub fn is_empty(&self) -> bool {
63        self.get_type() == Type::Empty
64    }
65
66    pub fn is_rect(&self) -> bool {
67        self.get_type() == Type::Rect
68    }
69
70    pub fn is_oval(&self) -> bool {
71        self.get_type() == Type::Oval
72    }
73
74    pub fn is_simple(&self) -> bool {
75        self.get_type() == Type::Simple
76    }
77
78    pub fn is_nine_patch(&self) -> bool {
79        self.get_type() == Type::NinePatch
80    }
81
82    pub fn is_complex(&self) -> bool {
83        self.get_type() == Type::Complex
84    }
85
86    pub fn width(&self) -> scalar {
87        self.rect().width()
88    }
89
90    pub fn height(&self) -> scalar {
91        self.rect().height()
92    }
93
94    pub fn simple_radii(&self) -> Vector {
95        self.radii(Corner::UpperLeft)
96    }
97
98    pub fn set_empty(&mut self) {
99        *self = Self::new()
100    }
101
102    pub fn set_rect(&mut self, rect: impl AsRef<Rect>) {
103        unsafe { sb::C_SkRRect_setRect(self.native_mut(), rect.as_ref().native()) }
104    }
105
106    pub fn new_empty() -> Self {
107        Self::new()
108    }
109
110    // TODO: consider to rename all the following new_* function to from_* functions?
111    //       is it possible to find a proper convention here (new_ vs from_?)?
112
113    pub fn new_rect(rect: impl AsRef<Rect>) -> Self {
114        let mut rr = Self::default();
115        rr.set_rect(rect);
116        rr
117    }
118
119    pub fn new_oval(oval: impl AsRef<Rect>) -> Self {
120        let mut rr = Self::default();
121        rr.set_oval(oval);
122        rr
123    }
124
125    pub fn new_rect_xy(rect: impl AsRef<Rect>, x_rad: scalar, y_rad: scalar) -> Self {
126        let mut rr = Self::default();
127        rr.set_rect_xy(rect.as_ref(), x_rad, y_rad);
128        rr
129    }
130
131    pub fn new_rect_radii(rect: impl AsRef<Rect>, radii: &[Vector; 4]) -> Self {
132        let mut rr = Self::default();
133        rr.set_rect_radii(rect, radii);
134        rr
135    }
136
137    pub fn new_nine_patch(
138        rect: impl AsRef<Rect>,
139        left_rad: scalar,
140        top_rad: scalar,
141        right_rad: scalar,
142        bottom_rad: scalar,
143    ) -> Self {
144        let mut r = Self::default();
145        r.set_nine_patch(rect, left_rad, top_rad, right_rad, bottom_rad);
146        r
147    }
148
149    pub fn set_oval(&mut self, oval: impl AsRef<Rect>) {
150        unsafe { self.native_mut().setOval(oval.as_ref().native()) }
151    }
152
153    pub fn set_rect_xy(&mut self, rect: impl AsRef<Rect>, x_rad: scalar, y_rad: scalar) {
154        unsafe {
155            self.native_mut()
156                .setRectXY(rect.as_ref().native(), x_rad, y_rad)
157        }
158    }
159
160    pub fn set_nine_patch(
161        &mut self,
162        rect: impl AsRef<Rect>,
163        left_rad: scalar,
164        top_rad: scalar,
165        right_rad: scalar,
166        bottom_rad: scalar,
167    ) {
168        unsafe {
169            self.native_mut().setNinePatch(
170                rect.as_ref().native(),
171                left_rad,
172                top_rad,
173                right_rad,
174                bottom_rad,
175            )
176        }
177    }
178
179    pub fn set_rect_radii(&mut self, rect: impl AsRef<Rect>, radii: &[Vector; 4]) {
180        unsafe {
181            self.native_mut()
182                .setRectRadii(rect.as_ref().native(), radii.native().as_ptr())
183        }
184    }
185
186    pub fn rect(&self) -> &Rect {
187        Rect::from_native_ref(&self.native().fRect)
188    }
189
190    pub fn radii(&self, corner: Corner) -> Vector {
191        Vector::from_native_c(self.native().fRadii[corner as usize])
192    }
193
194    pub fn radii_ref(&self) -> &[Vector; 4] {
195        Vector::from_native_array_ref(&self.native().fRadii)
196    }
197
198    pub fn bounds(&self) -> &Rect {
199        self.rect()
200    }
201
202    pub fn inset(&mut self, delta: impl Into<Vector>) {
203        *self = self.with_inset(delta)
204    }
205
206    #[must_use]
207    pub fn with_inset(&self, delta: impl Into<Vector>) -> Self {
208        let delta = delta.into();
209        let mut r = Self::default();
210        unsafe { self.native().inset(delta.x, delta.y, r.native_mut()) };
211        r
212    }
213
214    pub fn outset(&mut self, delta: impl Into<Vector>) {
215        *self = self.with_outset(delta)
216    }
217
218    #[must_use]
219    pub fn with_outset(&self, delta: impl Into<Vector>) -> Self {
220        self.with_inset(-delta.into())
221    }
222
223    pub fn offset(&mut self, delta: impl Into<Vector>) {
224        Rect::from_native_ref_mut(&mut self.native_mut().fRect).offset(delta)
225    }
226
227    #[must_use]
228    pub fn with_offset(&self, delta: impl Into<Vector>) -> Self {
229        let mut copied = *self;
230        copied.offset(delta);
231        copied
232    }
233
234    pub fn contains(&self, rect: impl AsRef<Rect>) -> bool {
235        unsafe { self.native().contains(rect.as_ref().native()) }
236    }
237
238    pub fn is_valid(&self) -> bool {
239        unsafe { self.native().isValid() }
240    }
241
242    pub const SIZE_IN_MEMORY: usize = mem::size_of::<Self>();
243
244    pub fn write_to_memory(&self, buffer: &mut Vec<u8>) {
245        unsafe {
246            let size = self.native().writeToMemory(ptr::null_mut());
247            buffer.resize(size, 0);
248            let written = self.native().writeToMemory(buffer.as_mut_ptr() as _);
249            debug_assert_eq!(written, size);
250        }
251    }
252
253    pub fn read_from_memory(&mut self, buffer: &[u8]) -> usize {
254        unsafe {
255            self.native_mut()
256                .readFromMemory(buffer.as_ptr() as _, buffer.len())
257        }
258    }
259
260    #[must_use]
261    pub fn transform(&self, matrix: &Matrix) -> Option<Self> {
262        let mut r = Self::default();
263        unsafe { self.native().transform1(matrix.native(), r.native_mut()) }.then_some(r)
264    }
265
266    pub fn dump(&self, as_hex: impl Into<Option<bool>>) {
267        unsafe { self.native().dump(as_hex.into().unwrap_or_default()) }
268    }
269
270    pub fn dump_to_string(&self, as_hex: bool) -> String {
271        let mut str = interop::String::default();
272        unsafe { sb::C_SkRRect_dumpToString(self.native(), as_hex, str.native_mut()) }
273        str.to_string()
274    }
275
276    pub fn dump_hex(&self) {
277        self.dump(true)
278    }
279}
skia_safe/core/rrect.rs

skia_safe/core/
rrect.rs
