load base64

Author: raphamorim

Cargo.toml

@@ -14,7 +14,7 @@ crate-type = ["cdylib", "rlib", "staticlib"]
 
 [features]
 default = ["libc", "glutin", "gl" ,"ratatui" ,"icy_sixel", "image", "ratatui-image"]
-ffi = ["image"]
+ffi = ["image", "base64"]
 
 [profile.release]
 opt-level = "s"
@@ -37,7 +37,7 @@ glutin = { version = "0.28.0", optional = true }
 gl = { version = "0.14.0", optional = true }
 ratatui = { version = "^0.29.0", features = ["crossterm"], optional = true }
 icy_sixel = { version = "^0.1.1", optional = true }
-image = { version = "^0.25.1", default-features = false, features = ["jpeg"], optional = true }
+image = { version = "^0.25.1", default-features = false, features = ["jpeg", "png"], optional = true }
 ratatui-image = { version = "4.2.0", optional = true }
 base64 = { version = "0.21.7", optional = true }
 

src/lib.rs

@@ -4,12 +4,6 @@ use std::sync::OnceLock;
 
 use std::ffi::CString;
 
-// #[cfg(feature = "ffi")]
-// use base64::{Engine, engine::general_purpose};
-
-// #[cfg(feature = "ffi")]
-// use std::io::Cursor;
-
 #[cfg(target_arch = "wasm32")]
 use wasm_bindgen::prelude::*;
 
@@ -105,6 +99,9 @@ pub extern "C" fn image() -> ImageBuffer {
 
 #[no_mangle]
 pub extern "C" fn image_base64() -> *const std::os::raw::c_char {
+    use base64::{engine::general_purpose, Engine};
+    use std::io::Cursor;
+
     if let Some(gb) = GAMEBOY.get() {
         if let Ok(mut locked_gb) = gb.lock() {
             let width = 160;
@@ -136,19 +133,20 @@ pub extern "C" fn image_base64() -> *const std::os::raw::c_char {
             //     );
             // }
 
-            // let mut png: Vec<u8> = vec![];
-            // img.write_to(&mut Cursor::new(&mut png), image::ImageFormat::Png).expect("don't fail img write_to");
-            // let data = general_purpose::STANDARD.encode(&png);
+            let mut png: Vec<u8> = vec![];
+            img.write_to(&mut Cursor::new(&mut png), image::ImageFormat::Png)
+                .expect("don't fail img write_to");
+            let data = general_purpose::STANDARD.encode(&png);
 
-            let cstring_data = CString::new(img.as_bytes()).expect("don't fail");
-            return cstring_data.into_raw();
+            // let cstring_data = CString::new(img.as_bytes()).expect("don't fail");
+            // return cstring_data.into_raw();
 
             // let mut png: Vec<u8> = vec![];
             // img.write_to(&mut Cursor::new(&mut png), image::ImageFormat::Png).expect("don't fail img write_to");
             // let data = general_purpose::STANDARD.encode(&png);
 
-            // let cstring_data = CString::new(data).expect("don't fail");
-            // return cstring_data.into_raw();
+            let cstring_data = CString::new(data).expect("don't fail");
+            return cstring_data.into_raw();
         }
     }