skia_safe/core/
pixel_ref.rs

1use crate::{prelude::*, ISize};
2use skia_bindings::{self as sb, SkPixelRef, SkRefCntBase};
3use std::{fmt, os::raw::c_void};
4
5pub type PixelRef = RCHandle<SkPixelRef>;
6unsafe_send_sync!(PixelRef);
7require_type_equality!(sb::SkPixelRef_INHERITED, sb::SkRefCnt);
8
9impl NativeRefCountedBase for SkPixelRef {
10    type Base = SkRefCntBase;
11}
12
13impl fmt::Debug for PixelRef {
14    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
15        f.debug_struct("PixelRef")
16            .field("dimensions", &self.dimensions())
17            .field("row_bytes", &self.row_bytes())
18            .field("generation_id", &self.generation_id())
19            .field("is_immutable", &self.is_immutable())
20            .finish()
21    }
22}
23
24impl PixelRef {
25    // TODO: wrap constructor with pixels borrowed.
26
27    pub fn dimensions(&self) -> ISize {
28        ISize::new(self.width(), self.height())
29    }
30
31    pub fn width(&self) -> i32 {
32        unsafe { sb::C_SkPixelRef_width(self.native()) }
33    }
34
35    pub fn height(&self) -> i32 {
36        unsafe { sb::C_SkPixelRef_height(self.native()) }
37    }
38
39    #[allow(clippy::missing_safety_doc)]
40    pub unsafe fn pixels(&self) -> *mut c_void {
41        sb::C_SkPixelRef_pixels(self.native())
42    }
43
44    pub fn row_bytes(&self) -> usize {
45        unsafe { sb::C_SkPixelRef_rowBytes(self.native()) }
46    }
47
48    pub fn generation_id(&self) -> u32 {
49        unsafe { self.native().getGenerationID() }
50    }
51
52    pub fn notify_pixels_changed(&mut self) {
53        unsafe { self.native_mut().notifyPixelsChanged() }
54    }
55
56    pub fn is_immutable(&self) -> bool {
57        unsafe { sb::C_SkPixelRef_isImmutable(self.native()) }
58    }
59
60    pub fn set_immutable(&mut self) {
61        unsafe { self.native_mut().setImmutable() }
62    }
63
64    // TODO addGenIDChangeListener()
65
66    pub fn notify_added_to_cache(&mut self) {
67        unsafe { sb::C_SkPixelRef_notifyAddedToCache(self.native_mut()) }
68    }
69}
skia_safe/core/pixel_ref.rs

skia_safe/core/
pixel_ref.rs
