animate/legacy/
image.rs

1use crate::Content;
2use glib::{object::IsA, translate::*};
3use std::{fmt, ptr};
4
5glib_wrapper! {
6    pub struct Image(Object<ffi::ClutterImage, ffi::ClutterImageClass, ImageClass>) @implements Content;
7
8    match fn {
9        get_type => || ffi::clutter_image_get_type(),
10    }
11}
12
13impl Image {
14    /// Creates a new `Image` instance.
15    ///
16    /// # Returns
17    ///
18    /// the newly created `Image` instance.
19    ///  Use `gobject::ObjectExt::unref` when done.
20    pub fn new() -> Option<Content> {
21        unsafe { from_glib_full(ffi::clutter_image_new()) }
22    }
23}
24
25// impl Default for Image {
26//     fn default() -> Self {
27//         Self::new()
28//     }
29// }
30
31/// Trait containing all `Image` methods.
32///
33/// # Implementors
34///
35/// [`Image`](struct.Image.html)
36pub trait ImageExt: 'static {
37    //fn set_area(&self, data: &[u8], pixel_format: dx::PixelFormat, rect: &cairo::RectangleInt, row_stride: u32) -> Result<(), glib::Error>;
38
39    /// Sets the image data stored inside a `glib::Bytes` to be displayed by `self`.
40    ///
41    /// If the image data was successfully loaded, the `self` will be invalidated.
42    ///
43    /// In case of error, the `error` value will be set, and this function will
44    /// return `false`.
45    ///
46    /// The image data contained inside the `glib::Bytes` is copied in texture memory,
47    /// and no additional reference is acquired on the `data`.
48    /// ## `data`
49    /// the image data, as a `glib::Bytes`
50    /// ## `pixel_format`
51    /// the Cogl pixel format of the image data
52    /// ## `width`
53    /// the width of the image data
54    /// ## `height`
55    /// the height of the image data
56    /// ## `row_stride`
57    /// the length of each row inside `data`
58    ///
59    /// # Returns
60    ///
61    /// `true` if the image data was successfully loaded,
62    ///  and `false` otherwise.
63    fn set_bytes(
64        &self,
65        data: &glib::Bytes,
66        pixel_format: dx::PixelFormat,
67        width: u32,
68        height: u32,
69        row_stride: u32,
70    ) -> Result<(), glib::Error>;
71
72    //fn set_data(&self, data: &[u8], pixel_format: dx::PixelFormat, width: u32, height: u32, row_stride: u32) -> Result<(), glib::Error>;
73}
74
75impl<O: IsA<Image>> ImageExt for O {
76    //fn set_area(&self, data: &[u8], pixel_format: dx::PixelFormat, rect: &cairo::RectangleInt, row_stride: u32) -> Result<(), glib::Error> {
77    //    unsafe { TODO: call clutter_sys:clutter_image_set_area() }
78    //}
79
80    fn set_bytes(
81        &self,
82        data: &glib::Bytes,
83        pixel_format: dx::PixelFormat,
84        width: u32,
85        height: u32,
86        row_stride: u32,
87    ) -> Result<(), glib::Error> {
88        unsafe {
89            let mut error = ptr::null_mut();
90            let _ = ffi::clutter_image_set_bytes(
91                self.as_ref().to_glib_none().0,
92                data.to_glib_none().0,
93                pixel_format.to_glib(),
94                width,
95                height,
96                row_stride,
97                &mut error,
98            );
99            if error.is_null() {
100                Ok(())
101            } else {
102                Err(from_glib_full(error))
103            }
104        }
105    }
106
107    //fn set_data(&self, data: &[u8], pixel_format: dx::PixelFormat, width: u32, height: u32, row_stride: u32) -> Result<(), glib::Error> {
108    //    unsafe { TODO: call clutter_sys:clutter_image_set_data() }
109    //}
110}
111
112impl fmt::Display for Image {
113    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
114        write!(f, "Image")
115    }
116}
animate/legacy/image.rs

animate/legacy/
image.rs
