skia_safe/core/
image_generator.rs

1#[cfg(feature = "gpu")]
2use crate::gpu;
3use crate::{prelude::*, yuva_pixmap_info, Data, ImageInfo, YUVAPixmapInfo};
4use skia_bindings::{self as sb, SkImageGenerator};
5use std::fmt;
6
7pub type ImageGenerator = RefHandle<SkImageGenerator>;
8unsafe_send_sync!(ImageGenerator);
9
10impl NativeDrop for SkImageGenerator {
11    fn drop(&mut self) {
12        unsafe { sb::C_SkImageGenerator_delete(self) }
13    }
14}
15
16impl fmt::Debug for ImageGenerator {
17    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
18        f.debug_struct("ImageGenerator")
19            .field("unique_id", &self.unique_id())
20            .field("info", &self.info())
21            .finish()
22    }
23}
24
25impl ImageGenerator {
26    pub fn unique_id(&self) -> u32 {
27        self.native().fUniqueID
28    }
29
30    pub fn encoded_data(&mut self) -> Option<Data> {
31        Data::from_ptr(unsafe { sb::C_SkImageGenerator_refEncodedData(self.native_mut()) })
32    }
33
34    pub fn info(&self) -> &ImageInfo {
35        ImageInfo::from_native_ref(&self.native().fInfo)
36    }
37
38    #[cfg(feature = "gpu")]
39    pub fn is_valid(&self, mut context: Option<&mut gpu::RecordingContext>) -> bool {
40        unsafe { sb::C_SkImageGenerator_isValid(self.native(), context.native_ptr_or_null_mut()) }
41    }
42
43    pub fn is_protected(self) -> bool {
44        unsafe { sb::C_SkImageGenerator_isProtected(self.native()) }
45    }
46
47    #[must_use]
48    pub fn get_pixels(&mut self, info: &ImageInfo, pixels: &mut [u8], row_bytes: usize) -> bool {
49        assert!(info.valid_pixels(row_bytes, pixels));
50        unsafe {
51            self.native_mut()
52                .getPixels(info.native(), pixels.as_mut_ptr() as _, row_bytes)
53        }
54    }
55
56    // TODO: m86: get_pixels(&Pixmap)
57
58    pub fn query_yuva_info(
59        &self,
60        supported_data_types: &yuva_pixmap_info::SupportedDataTypes,
61    ) -> Option<YUVAPixmapInfo> {
62        YUVAPixmapInfo::new_if_valid(|info| unsafe {
63            self.native()
64                .queryYUVAInfo(supported_data_types.native(), info)
65        })
66    }
67
68    // TODO: getYUVAPlanes()
69
70    pub fn is_texture_generator(&self) -> bool {
71        unsafe { sb::C_SkImageGenerator_isTextureGenerator(self.native()) }
72    }
73
74    #[deprecated(
75        since = "0.64.0",
76        note = "Removed, will return `None`. Use Image::deferred_from_encoded_data() or Codec::from_data()"
77    )]
78    pub fn from_encoded(_encoded: impl Into<Data>) -> Option<Self> {
79        debug_assert!(false, "Removed, will return `None` in release builds");
80        None
81    }
82}
skia_safe/core/image_generator.rs

skia_safe/core/
image_generator.rs
