[rust] add ncvisual_from_rgb_* functions and methods

- update some docs.

rust/src/bindings.rs

@@ -8,7 +8,7 @@
 // BUG ISSUES:
 // https://github.com/rust-lang/rust-bindgen/issues/1470
 #[allow(clippy::all)]
-// https://github.com/rust-lang/rust-bindgen/issues/2066
+// https://github.com/rust-lang/rust-bindgen/issues/1651
 #[allow(unknown_lints, deref_nullptr)]
 pub mod ffi {
     //! Rust FFI bindings, automatically generated with bindgen.
@@ -744,6 +744,8 @@ pub use ffi::{
     ncvisual_from_bgra,
     ncvisual_from_file,
     ncvisual_from_plane,
+    ncvisual_from_rgb_loose,
+    ncvisual_from_rgb_packed,
     ncvisual_from_rgba,
     ncvisual_media_defblitter,
     ncvisual_polyfill_yx,

rust/src/direct/methods.rs

@@ -30,6 +30,9 @@ impl NcDirect {
     /// `flags` is a bitmask over:
     /// - [NCDIRECT_OPTION_INHIBIT_CBREAK][crate::NCDIRECT_OPTION_INHIBIT_CBREAK]
     /// - [NCDIRECT_OPTION_INHIBIT_SETLOCALE][crate::NCDIRECT_OPTION_INHIBIT_SETLOCALE]
+    /// - [NCDIRECT_OPTION_NO_QUIT_SIGHANDLERS][crate::NCDIRECT_OPTION_NO_QUIT_SIGHANDLERS]
+    /// - [NCDIRECT_OPTION_VERBOSE][crate::NCDIRECT_OPTION_VERBOSE]
+    /// - [NCDIRECT_OPTION_VERY_VERBOSE][crate::NCDIRECT_OPTION_VERY_VERBOSE]
     ///
     /// *C style function: [ncdirect_init()][crate::ncdirect_init].*
     pub fn with_flags<'a>(flags: NcDirectFlags) -> NcResult<&'a mut NcDirect> {

rust/src/visual/methods.rs

@@ -4,9 +4,9 @@ use core::ptr::null_mut;
 use libc::c_void;
 
 use crate::{
-    cstring, error, error_ref_mut, rstring, Nc, NcBlitter, NcDim, NcDirect, NcDirectF, NcDirectV,
+    cstring, error, error_ref_mut, rstring, Nc, NcBlitter, NcComponent, NcDim, NcDirect, NcDirectF,
-    NcError, NcIntResult, NcPixel, NcPlane, NcResult, NcRgba, NcScale, NcTime, NcVGeom, NcVisual,
+    NcDirectV, NcError, NcIntResult, NcPixel, NcPlane, NcResult, NcRgba, NcScale, NcTime, NcVGeom,
-    NcVisualOptions, NCBLIT_PIXEL, NCRESULT_ERR,
+    NcVisual, NcVisualOptions, NCBLIT_PIXEL, NCRESULT_ERR,
 };
 
 /// # NcVisualOptions Constructors
@@ -176,6 +176,64 @@ impl NcVisual {
         ]
     }
 
+    /// Like [`from_rgba`][NcVisual#method.from_rgba], but the pixels are
+    /// 4-byte RGBX. Alpha is filled in throughout using 'alpha'.
+    ///
+    /// `rowstride` must be a multiple of 4.
+    ///
+    /// *C style function: [ncvisual_from_rgb_loose()][crate::ncvisual_from_rgb_loose].*
+    pub fn from_rgb_loose<'a>(
+        rgba: &[u8],
+        rows: NcDim,
+        rowstride: NcDim,
+        cols: NcDim,
+        alpha: NcComponent,
+    ) -> NcResult<&'a mut NcVisual> {
+        error_ref_mut![
+            unsafe {
+                crate::ncvisual_from_rgb_loose(
+                    rgba.as_ptr() as *const c_void,
+                    rows as i32,
+                    rowstride as i32,
+                    cols as i32,
+                    alpha as i32,
+                )
+            },
+            &format!(
+                "NcVisual::from_rgb_loose(rgba, {}, {}, {}, {})",
+                rows, rowstride, cols, alpha
+            )
+        ]
+    }
+
+    /// Like [`from_rgba`][NcVisual#method.from_rgba], but the pixels are
+    /// 3-byte RGB. Alpha is filled in throughout using 'alpha'.
+    ///
+    /// *C style function: [ncvisual_from_rgb_packed()][crate::ncvisual_from_rgb_packed].*
+    pub fn from_rgb_packed<'a>(
+        rgba: &[u8],
+        rows: NcDim,
+        rowstride: NcDim,
+        cols: NcDim,
+        alpha: NcComponent,
+    ) -> NcResult<&'a mut NcVisual> {
+        error_ref_mut![
+            unsafe {
+                crate::ncvisual_from_rgb_packed(
+                    rgba.as_ptr() as *const c_void,
+                    rows as i32,
+                    rowstride as i32,
+                    cols as i32,
+                    alpha as i32,
+                )
+            },
+            &format!(
+                "NcVisual::from_rgb_packed(rgba, {}, {}, {}, {})",
+                rows, rowstride, cols, alpha
+            )
+        ]
+    }
+
     /// Prepares an NcVisual, and its underlying NcPlane, based off RGBA content
     /// in memory at `rgba`.
     ///

rust/src/visual/mod.rs

@@ -1,6 +1,6 @@
-// functions already exported by bindgen : 24
+// functions already exported by bindgen : 26
 // -----------------------------------------
-// (W) wrap: 20
+// (W) wrap: 22
 // (#) test: 0
 // -----------------------------------------
 //W  ncdirectf_free
@@ -16,6 +16,8 @@
 //W  ncvisual_from_file
 //W  ncvisual_from_plane
 //W  ncvisual_from_rgba
+//W  ncvisual_from_rgb_packed
+//W  ncvisual_from_rgb_loose
 //W  ncvisual_inflate
 //W  ncvisual_blitter_geom
 //W  ncvisual_media_defblitter