gtk4/
snapshot.rs

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1// Take a look at the license at the top of the repository in the LICENSE file.
2
3use std::borrow::Borrow;
4
5use glib::translate::*;
6
7use crate::{ffi, prelude::*, Snapshot};
8
9pub trait SnapshotExtManual: IsA<Snapshot> + 'static {
10    /// Appends a stroked border rectangle inside the given @outline.
11    ///
12    /// The four sides of the border can have different widths and colors.
13    /// ## `outline`
14    /// the outline of the border
15    /// ## `border_width`
16    /// the stroke width of the border on
17    ///   the top, right, bottom and left side respectively.
18    /// ## `border_color`
19    /// the color used on the top, right,
20    ///   bottom and left side.
21    #[doc(alias = "gtk_snapshot_append_border")]
22    fn append_border(
23        &self,
24        outline: &gsk::RoundedRect,
25        border_width: &[f32; 4],
26        border_color: &[gdk::RGBA; 4],
27    ) {
28        unsafe {
29            let border_color_ptr: Vec<gdk::ffi::GdkRGBA> =
30                border_color.iter().map(|c| *c.to_glib_none().0).collect();
31            ffi::gtk_snapshot_append_border(
32                self.as_ref().to_glib_none().0,
33                outline.to_glib_none().0,
34                border_width,
35                border_color_ptr.as_ptr() as *const _,
36            )
37        }
38    }
39
40    /// Inserts a debug node with a message.
41    ///
42    /// Debug nodes don't affect the rendering at all, but can be
43    /// helpful in identifying parts of a render node tree dump,
44    /// for example in the GTK inspector.
45    /// ## `message`
46    /// a printf-style format string
47    #[doc(alias = "gtk_snapshot_push_debug")]
48    fn push_debug(&self, message: impl IntoGStr) {
49        unsafe {
50            message.run_with_gstr(|message| {
51                ffi::gtk_snapshot_push_debug(self.as_ref().to_glib_none().0, message.as_ptr())
52            })
53        }
54    }
55}
56
57impl<O: IsA<Snapshot>> SnapshotExtManual for O {}
58
59impl AsRef<Snapshot> for gdk::Snapshot {
60    #[inline]
61    fn as_ref(&self) -> &Snapshot {
62        self.downcast_ref().unwrap()
63    }
64}
65
66impl From<gdk::Snapshot> for Snapshot {
67    #[inline]
68    fn from(e: gdk::Snapshot) -> Snapshot {
69        assert_initialized_main_thread!();
70        e.downcast().unwrap()
71    }
72}
73
74impl Borrow<Snapshot> for gdk::Snapshot {
75    #[inline]
76    fn borrow(&self) -> &Snapshot {
77        self.downcast_ref().unwrap()
78    }
79}
80
81unsafe impl IsA<Snapshot> for gdk::Snapshot {}
gtk4/snapshot.rs

gtk4/
snapshot.rs
