SiImage

si_img

Struct SiImage 

Source 
pub struct SiImage { /* private fields */ }
Expand description

Represents an image with text rendering capabilities.

Implementations§

Source§

impl SiImage

Source

pub fn new(src: Vec<u8>) -> Self

Creates a new SiImage from a vector of image data.

§Arguments
  • src - The vector of image data.
Source

pub fn from_vec(vec: Vec<u8>) -> SiImage

Creates a new SiImage from a vector of image data.

Source

pub async fn from_network_async(image_url: &str) -> SiImage

Creates a new SiImage from image data fetched from a network URL asynchronously.

§Arguments
  • image_url - The URL from which to fetch the image data.
Source

pub fn from_network(image_url: &str) -> SiImage

Creates a new SiImage from image data fetched from a network URL synchronously.

§Arguments
  • image_url - The URL from which to fetch the image data.
Examples found in repository?
examples/image.rs (line 7)
5fn main() {
6    // Create the image
7    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
8    // Create the font
9    let font = SiFont::from_network(
10        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
11    );
12    // Render some text
13    let text_options = TextOptions::default();
14    // img.render_text("Hello, World!", 64.0, 480.0, 254.0, None, &font, &text_options);
15    // Render something else
16    // img.render_text("Hello, World!", 48.0, 480.0, 320.0, None, &font, &text_options);
17    // Or do chained
18    img = img
19        .clone()
20        .render_text(
21            "Hello, World!",
22            64.0,
23            480.0,
24            254.0,
25            None,
26            &font,
27            &text_options,
28        )
29        .render_text(
30            "Hello, Another!",
31            48.0,
32            480.0,
33            320.0,
34            None,
35            &font,
36            &text_options,
37        );
38    // Write it
39    let mut file = fs::OpenOptions::new()
40        .create(true) // To create a new file
41        .write(true) // To write
42        .open("out.png")
43        .unwrap();
44    file.write_all(&img.to_bytes()).unwrap();
45}
More examples
Hide additional examples
examples/macros.rs (line 21)
7fn main() {
8    // Create it with macro
9    preset! {
10        my_preset(img, font: SiFont, title: String, tagline: String) {
11            println!("{}", title);
12            let mut new = img;
13            render!(new: title; 480.0, 254.0; "font" &font, "scale" 64.0, "opts" &TextOptions::default(), "color" None);
14            render!(new: tagline; 480.0, 320.0; "font" &font, "scale" 48.0, "opts" &TextOptions::default(), "color" Some(String::from("#FFFFFF")));
15            new
16        }
17    };
18
19    // Use it
20    // Create the image
21    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
22    // Create the font
23    let font = SiFont::from_network(
24        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
25    );
26    img.load_preset(
27        my_preset,
28        anymap! {
29            font: font,
30            title: "Hello, World!".to_string(),
31            tagline: "Cool!".to_string()
32        },
33    );
34    let mut file = fs::OpenOptions::new()
35        .create(true) // To create a new file
36        .write(true)
37        // either use the ? operator or unwrap since it returns a Result
38        .open("out.png")
39        .unwrap();
40    file.write_all(&img.to_bytes()).unwrap();
41}
examples/preset.rs (line 54)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}
Source

pub fn render_text( self, text: &str, text_scale: f32, pos_x: f32, pos_y: f32, color: Option<String>, using_font: &SiFont, options: &TextOptions, ) -> SiImage

Renders text onto the image.

§Arguments
  • text - The text to render on the image.
  • text_scale - The scale of the rendered text.
  • pos_x - The X-coordinate position for rendering.
  • pos_y - The Y-coordinate position for rendering.
  • color - The color of the rendered text in hexadecimal format (e.g., “#RRGGBB”).
  • using_font - The SiFont used for text rendering on the image.
§Returns

A mutable instance of the main image, with the text rendered on it.

Examples found in repository?
examples/image.rs (lines 20-28)
5fn main() {
6    // Create the image
7    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
8    // Create the font
9    let font = SiFont::from_network(
10        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
11    );
12    // Render some text
13    let text_options = TextOptions::default();
14    // img.render_text("Hello, World!", 64.0, 480.0, 254.0, None, &font, &text_options);
15    // Render something else
16    // img.render_text("Hello, World!", 48.0, 480.0, 320.0, None, &font, &text_options);
17    // Or do chained
18    img = img
19        .clone()
20        .render_text(
21            "Hello, World!",
22            64.0,
23            480.0,
24            254.0,
25            None,
26            &font,
27            &text_options,
28        )
29        .render_text(
30            "Hello, Another!",
31            48.0,
32            480.0,
33            320.0,
34            None,
35            &font,
36            &text_options,
37        );
38    // Write it
39    let mut file = fs::OpenOptions::new()
40        .create(true) // To create a new file
41        .write(true) // To write
42        .open("out.png")
43        .unwrap();
44    file.write_all(&img.to_bytes()).unwrap();
45}
More examples
Hide additional examples
examples/preset.rs (line 49)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}
Source

pub fn render_image(self, image: &SiImage, pos_x: i64, pos_y: i64) -> SiImage

Renders some image into the image

§Arguments
  • image - The SiImage to render.
  • pos_x - The X-coordinate position for rendering.
  • pos_y - The Y-coordinate position for rendering.
§Returns

A mutable instance of the main image, with overlay of the provided one

Source

pub fn to_bytes(&self) -> Vec<u8> ⓘ

Gets the image data as bytes in PNG format.

§Returns

The image data as bytes in PNG format

Examples found in repository?
examples/image.rs (line 44)
5fn main() {
6    // Create the image
7    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
8    // Create the font
9    let font = SiFont::from_network(
10        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
11    );
12    // Render some text
13    let text_options = TextOptions::default();
14    // img.render_text("Hello, World!", 64.0, 480.0, 254.0, None, &font, &text_options);
15    // Render something else
16    // img.render_text("Hello, World!", 48.0, 480.0, 320.0, None, &font, &text_options);
17    // Or do chained
18    img = img
19        .clone()
20        .render_text(
21            "Hello, World!",
22            64.0,
23            480.0,
24            254.0,
25            None,
26            &font,
27            &text_options,
28        )
29        .render_text(
30            "Hello, Another!",
31            48.0,
32            480.0,
33            320.0,
34            None,
35            &font,
36            &text_options,
37        );
38    // Write it
39    let mut file = fs::OpenOptions::new()
40        .create(true) // To create a new file
41        .write(true) // To write
42        .open("out.png")
43        .unwrap();
44    file.write_all(&img.to_bytes()).unwrap();
45}
More examples
Hide additional examples
examples/macros.rs (line 40)
7fn main() {
8    // Create it with macro
9    preset! {
10        my_preset(img, font: SiFont, title: String, tagline: String) {
11            println!("{}", title);
12            let mut new = img;
13            render!(new: title; 480.0, 254.0; "font" &font, "scale" 64.0, "opts" &TextOptions::default(), "color" None);
14            render!(new: tagline; 480.0, 320.0; "font" &font, "scale" 48.0, "opts" &TextOptions::default(), "color" Some(String::from("#FFFFFF")));
15            new
16        }
17    };
18
19    // Use it
20    // Create the image
21    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
22    // Create the font
23    let font = SiFont::from_network(
24        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
25    );
26    img.load_preset(
27        my_preset,
28        anymap! {
29            font: font,
30            title: "Hello, World!".to_string(),
31            tagline: "Cool!".to_string()
32        },
33    );
34    let mut file = fs::OpenOptions::new()
35        .create(true) // To create a new file
36        .write(true)
37        // either use the ? operator or unwrap since it returns a Result
38        .open("out.png")
39        .unwrap();
40    file.write_all(&img.to_bytes()).unwrap();
41}
examples/preset.rs (line 72)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}
Source

pub fn height(&self) -> u32

Gets the height of the image.

§Returns

The height of the image

Examples found in repository?
examples/preset.rs (line 10)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}
Source

pub fn width(&self) -> u32

Gets the width of the image.

§Returns

The width of the image

Examples found in repository?
examples/preset.rs (line 10)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}
Source

pub fn resize(self, width: u32, height: u32) -> SiImage

Resizes the image

§Arguments
  • width - The new width of the image
  • height - The new height of the image
§Returns

A mutable instance of the main image, with the resized image

Source§

impl SiImage

Source

pub fn load_preset( &mut self, preset: Box<SiPreset>, values: HashMap<String, Box<dyn Any>>, ) -> &mut SiImage

Load a preset. NOTE: It doesn’t work in WASM. Only for direct usage.

Examples found in repository?
examples/macros.rs (lines 26-33)
7fn main() {
8    // Create it with macro
9    preset! {
10        my_preset(img, font: SiFont, title: String, tagline: String) {
11            println!("{}", title);
12            let mut new = img;
13            render!(new: title; 480.0, 254.0; "font" &font, "scale" 64.0, "opts" &TextOptions::default(), "color" None);
14            render!(new: tagline; 480.0, 320.0; "font" &font, "scale" 48.0, "opts" &TextOptions::default(), "color" Some(String::from("#FFFFFF")));
15            new
16        }
17    };
18
19    // Use it
20    // Create the image
21    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
22    // Create the font
23    let font = SiFont::from_network(
24        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
25    );
26    img.load_preset(
27        my_preset,
28        anymap! {
29            font: font,
30            title: "Hello, World!".to_string(),
31            tagline: "Cool!".to_string()
32        },
33    );
34    let mut file = fs::OpenOptions::new()
35        .create(true) // To create a new file
36        .write(true)
37        // either use the ? operator or unwrap since it returns a Result
38        .open("out.png")
39        .unwrap();
40    file.write_all(&img.to_bytes()).unwrap();
41}
More examples
Hide additional examples
examples/preset.rs (line 65)
5fn main() {
6    // Create the preset
7    let preset = SiPreset::new(Box::new(|img, vals| {
8        let new_img = img.clone();
9        // img is the full image
10        println!("Dimensions: {}x{}", img.width(), img.height());
11        println!("Values: {:?}", vals);
12        // Get the font
13        let font = match vals.get("font") {
14            Some(font) => {
15                // Do type checking
16                if font.type_id() == std::any::TypeId::of::<SiFont>() {
17                    // Downcast it
18                    font.downcast_ref::<SiFont>().unwrap()
19                } else {
20                    panic!(
21                        "Expected type: {:?}\nFound type: {:?}",
22                        std::any::TypeId::of::<SiFont>(),
23                        font.type_id()
24                    );
25                }
26            }
27            None => panic!("No font provided"),
28        };
29        // Render something on the image with that font
30        // Get the title
31        let title = match vals.get("title") {
32            Some(title) => {
33                // Do type checking
34                if title.type_id() == std::any::TypeId::of::<String>() {
35                    // Downcast it
36                    title.downcast_ref::<String>().unwrap()
37                } else {
38                    panic!(
39                        "Expected type: {:?}\nFound type: {:?}",
40                        std::any::TypeId::of::<String>(),
41                        title.type_id()
42                    );
43                }
44            }
45            None => panic!("No title provided"),
46        };
47        let text_options = TextOptions::default();
48        // Render it
49        new_img.render_text(title, 64.0, 480.0, 254.0, None, font, &text_options)
50    }));
51
52    // Use it
53    // Create the image
54    let mut img = SiImage::from_network("https://res.cloudinary.com/zype/image/upload/regraphic");
55    // Create the font
56    let font = SiFont::from_network(
57        "https://github.com/Zype-Z/ShareImage.js/raw/main/assets/fonts/sirin-stencil.ttf",
58    );
59    let font_val: Box<dyn std::any::Any> = Box::new(font);
60    let title_val: Box<dyn std::any::Any> = Box::new("Hello, World!".to_string());
61    let values: HashMap<String, Box<dyn std::any::Any>> = HashMap::from([
62        ("font".to_string(), font_val),
63        ("title".to_string(), title_val),
64    ]);
65    img.load_preset(preset, values);
66    let mut file = fs::OpenOptions::new()
67        .create(true) // To create a new file
68        .write(true)
69        // either use the ? operator or unwrap since it returns a Result
70        .open("out.png")
71        .unwrap();
72    file.write_all(&img.to_bytes()).unwrap();
73}

Trait Implementations§

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impl Clone for SiImage

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fn clone(&self) -> SiImage

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl From<SiImage> for JsValue

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fn from(value: SiImage) -> Self

Converts to this type from the input type.
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impl FromWasmAbi for SiImage

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type Abi = u32

The Wasm ABI type that this converts from when coming back out from the ABI boundary.
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unsafe fn from_abi(js: u32) -> Self

Recover a Self from Self::Abi. Read more
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impl IntoWasmAbi for SiImage

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type Abi = u32

The Wasm ABI type that this converts into when crossing the ABI boundary.
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fn into_abi(self) -> u32

Convert self into Self::Abi so that it can be sent across the wasm ABI boundary.
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impl LongRefFromWasmAbi for SiImage

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type Abi = u32

Same as RefFromWasmAbi::Abi
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type Anchor = RcRef<SiImage>

Same as RefFromWasmAbi::Anchor
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unsafe fn long_ref_from_abi(js: Self::Abi) -> Self::Anchor

Same as RefFromWasmAbi::ref_from_abi
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impl OptionFromWasmAbi for SiImage

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fn is_none(abi: &Self::Abi) -> bool

Tests whether the argument is a “none” instance. If so it will be deserialized as None, and otherwise it will be passed to FromWasmAbi.
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impl OptionIntoWasmAbi for SiImage

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fn none() -> Self::Abi

Returns an ABI instance indicating “none”, which JS will interpret as the None branch of this option. Read more
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impl RefFromWasmAbi for SiImage

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type Abi = u32

The Wasm ABI type references to Self are recovered from.
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type Anchor = RcRef<SiImage>

The type that holds the reference to Self for the duration of the invocation of the function that has an &Self parameter. This is required to ensure that the lifetimes don’t persist beyond one function call, and so that they remain anonymous.
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unsafe fn ref_from_abi(js: Self::Abi) -> Self::Anchor

Recover a Self::Anchor from Self::Abi. Read more
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impl RefMutFromWasmAbi for SiImage

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type Abi = u32

Same as RefFromWasmAbi::Abi
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type Anchor = RcRefMut<SiImage>

Same as RefFromWasmAbi::Anchor
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unsafe fn ref_mut_from_abi(js: Self::Abi) -> Self::Anchor

Same as RefFromWasmAbi::ref_from_abi
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impl TryFromJsValue for SiImage

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type Error = JsValue

The type returned in the event of a conversion error.
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fn try_from_js_value(value: JsValue) -> Result<Self, Self::Error>

Performs the conversion.
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impl VectorFromWasmAbi for SiImage

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type Abi = <Box<[JsValue]> as FromWasmAbi>::Abi

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unsafe fn vector_from_abi(js: Self::Abi) -> Box<[SiImage]>

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impl VectorIntoWasmAbi for SiImage

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type Abi = <Box<[JsValue]> as IntoWasmAbi>::Abi

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fn vector_into_abi(vector: Box<[SiImage]>) -> Self::Abi

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impl WasmDescribe for SiImage

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fn describe()

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impl WasmDescribeVector for SiImage

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fn describe_vector()

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impl SupportsConstructor for SiImage

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impl SupportsInstanceProperty for SiImage

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impl SupportsStaticProperty for SiImage

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Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T> ReturnWasmAbi for T
where T: IntoWasmAbi,

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type Abi = <T as IntoWasmAbi>::Abi

Same as IntoWasmAbi::Abi
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fn return_abi(self) -> <T as ReturnWasmAbi>::Abi

Same as IntoWasmAbi::into_abi, except that it may throw and never return in the case of Err.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
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impl<T> ErasedDestructor for T
where T: 'static,