update image dependency

Cargo.toml

@@ -12,7 +12,7 @@ homepage = "https://github.com/daniel-e/captcha"
 repository = "https://github.com/daniel-e/captcha"
 
 [dependencies]
-image = "0.13.0"
+image = "0.23.8"
 rand = "0.7.3"
 serde_json = "1.0.57"
 base64 = "0.12.3"

src/images/mod.rs

@@ -1,8 +1,7 @@
 use std::cmp::{max, min};
-use std::io::Result;
-use std::iter::FromIterator;
 use std::path::Path;
 
+use image::error::ImageResult;
 use image::{load_from_memory, ImageBuffer, Rgb, RgbImage};
 use lodepng;
 
@@ -63,7 +62,7 @@ impl Image {
     pub fn get_pixel(&self, x: u32, y: u32) -> Pixl {
         let p = *self.img.get_pixel(x, y);
         Pixl {
-            rgb: [p.data[0], p.data[1], p.data[2]],
+            rgb: [p.0[0], p.0[1], p.0[2]],
         }
     }
 
@@ -75,7 +74,7 @@ impl Image {
         self.img.height()
     }
 
-    pub fn save(&self, p: &Path) -> Result<()> {
+    pub fn save(&self, p: &Path) -> ImageResult<()> {
         self.img.save(p)
     }
 

src/lib.rs

@@ -58,11 +58,11 @@ mod fonts;
 mod images;
 mod samples;
 
-pub use samples::{by_name, gen, CaptchaName, Difficulty};
-
 use filters::Filter;
 use fonts::{Default, Font};
+use image::error::ImageResult;
 use images::{Image, Pixl};
+pub use samples::{by_name, gen, CaptchaName, Difficulty};
 
 use rand::seq::SliceRandom;
 use rand::thread_rng;
@@ -145,7 +145,7 @@ impl Captcha {
     ///
     /// The format that is written is determined from the filename's extension. On error `Err` is
     /// returned.
-    pub fn save(&self, p: &Path) -> Result<()> {
+    pub fn save(&self, p: &Path) -> ImageResult<()> {
         self.img.save(p)
     }