Struct omage::Image

source · 
pub struct Image<'a> { /* private fields */ }
Expand description

Represents an image with configurable settings and drawable components.

The Image struct combines configuration settings, an image buffer, and a collection of drawable components to represent a 2D canvas. It allows for easy configuration and drawing of various graphical elements on the canvas, such as circles, rectangles, lines, and text.

Examples

use omage::{Image, Config, Components, Rgba};

// Create a new image with a specified configuration
let config = Config::new(800, 600, Rgba([255, 255, 255, 255]), Some(Rgba([0, 0, 0, 255])), "path/to/canvas/image.png", Some("path/to/font.ttf"));

let image = Image::new_with_config(config);

// Add drawable components to the image
let components = vec![
    Components::Circle(50, 50, 30, Rgba([255, 0, 0, 255])),
    Components::Rectangle(40, 60, 10, 20, Rgba([0, 255, 0, 255])),
    Components::Line(10, 10, 80, 80, Rgba([0, 0, 255, 255])),
    Components::Text(30, 40, 16, "Hello, Rust!", Rgba([255, 255, 255, 255]), Some((Rgba([0, 0, 0, 255]), 2))),
];

image.add_components(components);

Fields

  • config: Optional configuration settings for the image canvas.
  • image_buffer: Optional image buffer containing pixel data.
  • components: Optional collection of drawable components to be rendered on the image.

Methods

  • new: Creates a new Image instance with default settings or a specified configuration.
  • config: Adds config to Image
  • init : Initializes the Image
  • add_component: Adds a single drawable component to the image.
  • add_components: Adds a collection of drawable components to the image.
  • draw: Draws the configured image with its drawable components.

Note

The Image struct provides a convenient way to configure and visualize graphical components on a canvas. It encapsulates the necessary logic for image creation and component rendering.

Implementations§

source§

impl<'a> Image<'a>

source

pub fn new() -> Self

Creates a new Image instance with default values.

Examples found in repository?
examples/anti.rs (line 10)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, None, "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 10, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/circle.rs (line 10)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 300, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
examples/blend.rs (line 10)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle1 = Components::Circle(config.width / 2, config.height / 2, 350, RED);
    let circle2 = Components::Circle(
        config.width / 2,
        config.height / 2,
        300,
        Rgba([255, 0, 255, 120]),
    );
    let rectangle = Components::Rectangle(
        100,
        100,
        config.width / 2 - 50,
        config.height / 2 - 50,
        Rgba([120, 0, 255, 19]),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&circle1, &circle2, &rectangle])
        .draw()?;
    Ok(())
}
examples/line.rs (line 17)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        BLACK,
        Some(GREEN),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let line1 = Components::Line(0, 0, WIDTH, HEIGHT, GREEN);
    let line2 = Components::Line(WIDTH, 0, 0, HEIGHT, GREEN);
    let circle = Components::Circle(WIDTH / 2, HEIGHT / 2, 100, Rgba([0, 255, 0, 150]));
    let text = Components::Text(
        WIDTH / 2 - 210,
        HEIGHT / 2 - 250,
        40,
        "Xiaolin Wu's Line Algorithm",
        BLACK,
        Some((GREEN, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&line1, &line2, &circle, &text])
        .draw()?;
    Ok(())
}
examples/text.rs (line 17)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        Rgba([255, 255, 255, 0]),
        Some(WHITE),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let circle1 = Components::Circle(50, 55, 30, Rgba([255, 0, 0, 200]));
    let circle2 = Components::Circle(75, 55, 30, Rgba([0, 255, 0, 200]));
    let circle3 = Components::Circle(65, 35, 30, Rgba([0, 0, 255, 200]));

    let text = "OMAGE";
    let text = Components::Text(
        config.width / 2 - 40,
        config.height / 2 - 25,
        50,
        text,
        Rgba([255, 255, 255, 255]),
        Some((BLACK, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&text, &circle1, &circle2, &circle3])
        .draw()?;
    Ok(())
}
source

pub fn config(&mut self, config: Config) -> &mut Self

Sets the configuration for the image.

Examples found in repository?
examples/anti.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, None, "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 10, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/circle.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 300, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
examples/blend.rs (line 28)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle1 = Components::Circle(config.width / 2, config.height / 2, 350, RED);
    let circle2 = Components::Circle(
        config.width / 2,
        config.height / 2,
        300,
        Rgba([255, 0, 255, 120]),
    );
    let rectangle = Components::Rectangle(
        100,
        100,
        config.width / 2 - 50,
        config.height / 2 - 50,
        Rgba([120, 0, 255, 19]),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&circle1, &circle2, &rectangle])
        .draw()?;
    Ok(())
}
examples/line.rs (line 32)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        BLACK,
        Some(GREEN),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let line1 = Components::Line(0, 0, WIDTH, HEIGHT, GREEN);
    let line2 = Components::Line(WIDTH, 0, 0, HEIGHT, GREEN);
    let circle = Components::Circle(WIDTH / 2, HEIGHT / 2, 100, Rgba([0, 255, 0, 150]));
    let text = Components::Text(
        WIDTH / 2 - 210,
        HEIGHT / 2 - 250,
        40,
        "Xiaolin Wu's Line Algorithm",
        BLACK,
        Some((GREEN, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&line1, &line2, &circle, &text])
        .draw()?;
    Ok(())
}
examples/text.rs (line 34)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        Rgba([255, 255, 255, 0]),
        Some(WHITE),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let circle1 = Components::Circle(50, 55, 30, Rgba([255, 0, 0, 200]));
    let circle2 = Components::Circle(75, 55, 30, Rgba([0, 255, 0, 200]));
    let circle3 = Components::Circle(65, 35, 30, Rgba([0, 0, 255, 200]));

    let text = "OMAGE";
    let text = Components::Text(
        config.width / 2 - 40,
        config.height / 2 - 25,
        50,
        text,
        Rgba([255, 255, 255, 255]),
        Some((BLACK, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&text, &circle1, &circle2, &circle3])
        .draw()?;
    Ok(())
}
source

pub fn init(&mut self) -> Result<&mut Self, Box<dyn Error>>

Initializes the image with the configured settings.

Errors

Returns an error if no configuration is provided.

Examples found in repository?
examples/anti.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, None, "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 10, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/circle.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 300, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
examples/blend.rs (line 29)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle1 = Components::Circle(config.width / 2, config.height / 2, 350, RED);
    let circle2 = Components::Circle(
        config.width / 2,
        config.height / 2,
        300,
        Rgba([255, 0, 255, 120]),
    );
    let rectangle = Components::Rectangle(
        100,
        100,
        config.width / 2 - 50,
        config.height / 2 - 50,
        Rgba([120, 0, 255, 19]),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&circle1, &circle2, &rectangle])
        .draw()?;
    Ok(())
}
examples/line.rs (line 33)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        BLACK,
        Some(GREEN),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let line1 = Components::Line(0, 0, WIDTH, HEIGHT, GREEN);
    let line2 = Components::Line(WIDTH, 0, 0, HEIGHT, GREEN);
    let circle = Components::Circle(WIDTH / 2, HEIGHT / 2, 100, Rgba([0, 255, 0, 150]));
    let text = Components::Text(
        WIDTH / 2 - 210,
        HEIGHT / 2 - 250,
        40,
        "Xiaolin Wu's Line Algorithm",
        BLACK,
        Some((GREEN, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&line1, &line2, &circle, &text])
        .draw()?;
    Ok(())
}
examples/text.rs (line 35)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        Rgba([255, 255, 255, 0]),
        Some(WHITE),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let circle1 = Components::Circle(50, 55, 30, Rgba([255, 0, 0, 200]));
    let circle2 = Components::Circle(75, 55, 30, Rgba([0, 255, 0, 200]));
    let circle3 = Components::Circle(65, 35, 30, Rgba([0, 0, 255, 200]));

    let text = "OMAGE";
    let text = Components::Text(
        config.width / 2 - 40,
        config.height / 2 - 25,
        50,
        text,
        Rgba([255, 255, 255, 255]),
        Some((BLACK, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&text, &circle1, &circle2, &circle3])
        .draw()?;
    Ok(())
}
source

pub fn add_component(&mut self, component: &'a Component) -> &mut Self

Adds a single component to the image.

Examples found in repository?
examples/anti.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, None, "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 10, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/circle.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 300, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
source

pub fn add_components(&mut self, components: Vec<&'a Component>) -> &mut Self

Adds multiple components to the image.

Examples found in repository?
examples/blend.rs (line 30)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle1 = Components::Circle(config.width / 2, config.height / 2, 350, RED);
    let circle2 = Components::Circle(
        config.width / 2,
        config.height / 2,
        300,
        Rgba([255, 0, 255, 120]),
    );
    let rectangle = Components::Rectangle(
        100,
        100,
        config.width / 2 - 50,
        config.height / 2 - 50,
        Rgba([120, 0, 255, 19]),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&circle1, &circle2, &rectangle])
        .draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/line.rs (line 34)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        BLACK,
        Some(GREEN),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let line1 = Components::Line(0, 0, WIDTH, HEIGHT, GREEN);
    let line2 = Components::Line(WIDTH, 0, 0, HEIGHT, GREEN);
    let circle = Components::Circle(WIDTH / 2, HEIGHT / 2, 100, Rgba([0, 255, 0, 150]));
    let text = Components::Text(
        WIDTH / 2 - 210,
        HEIGHT / 2 - 250,
        40,
        "Xiaolin Wu's Line Algorithm",
        BLACK,
        Some((GREEN, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&line1, &line2, &circle, &text])
        .draw()?;
    Ok(())
}
examples/text.rs (line 36)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        Rgba([255, 255, 255, 0]),
        Some(WHITE),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let circle1 = Components::Circle(50, 55, 30, Rgba([255, 0, 0, 200]));
    let circle2 = Components::Circle(75, 55, 30, Rgba([0, 255, 0, 200]));
    let circle3 = Components::Circle(65, 35, 30, Rgba([0, 0, 255, 200]));

    let text = "OMAGE";
    let text = Components::Text(
        config.width / 2 - 40,
        config.height / 2 - 25,
        50,
        text,
        Rgba([255, 255, 255, 255]),
        Some((BLACK, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&text, &circle1, &circle2, &circle3])
        .draw()?;
    Ok(())
}
source

pub fn draw(&self) -> Result<(), Box<dyn Error>>

Draws all the components on the image and saves it to the specified path.

Errors

Returns an error if there is no configuration, no components, or an issue occurs during drawing or saving.

Examples found in repository?
examples/anti.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, None, "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 10, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
More examples
Hide additional examples
examples/circle.rs (line 14)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle = Components::Circle(config.width / 2, config.height / 2, 300, RED);

    image.config(config).init()?.add_component(&circle).draw()?;
    Ok(())
}
examples/blend.rs (line 31)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(WIDTH, HEIGHT, WHITE, Some(BLACK), "output.png", None);

    let mut image = Image::new();

    let circle1 = Components::Circle(config.width / 2, config.height / 2, 350, RED);
    let circle2 = Components::Circle(
        config.width / 2,
        config.height / 2,
        300,
        Rgba([255, 0, 255, 120]),
    );
    let rectangle = Components::Rectangle(
        100,
        100,
        config.width / 2 - 50,
        config.height / 2 - 50,
        Rgba([120, 0, 255, 19]),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&circle1, &circle2, &rectangle])
        .draw()?;
    Ok(())
}
examples/line.rs (line 35)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        BLACK,
        Some(GREEN),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let line1 = Components::Line(0, 0, WIDTH, HEIGHT, GREEN);
    let line2 = Components::Line(WIDTH, 0, 0, HEIGHT, GREEN);
    let circle = Components::Circle(WIDTH / 2, HEIGHT / 2, 100, Rgba([0, 255, 0, 150]));
    let text = Components::Text(
        WIDTH / 2 - 210,
        HEIGHT / 2 - 250,
        40,
        "Xiaolin Wu's Line Algorithm",
        BLACK,
        Some((GREEN, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&line1, &line2, &circle, &text])
        .draw()?;
    Ok(())
}
examples/text.rs (line 37)
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fn main() -> Result<(), Box<dyn std::error::Error>> {
    let config = Config::new(
        WIDTH,
        HEIGHT,
        Rgba([255, 255, 255, 0]),
        Some(WHITE),
        "output.png",
        Some("./fonts/Roboto-Medium.ttf"),
    );

    let mut image = Image::new();

    let circle1 = Components::Circle(50, 55, 30, Rgba([255, 0, 0, 200]));
    let circle2 = Components::Circle(75, 55, 30, Rgba([0, 255, 0, 200]));
    let circle3 = Components::Circle(65, 35, 30, Rgba([0, 0, 255, 200]));

    let text = "OMAGE";
    let text = Components::Text(
        config.width / 2 - 40,
        config.height / 2 - 25,
        50,
        text,
        Rgba([255, 255, 255, 255]),
        Some((BLACK, 3)),
    );

    image
        .config(config)
        .init()?
        .add_components(vec![&text, &circle1, &circle2, &circle3])
        .draw()?;
    Ok(())
}

Auto Trait Implementations§

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impl<'a> RefUnwindSafe for Image<'a>

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impl<'a> Send for Image<'a>

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impl<'a> Sync for Image<'a>

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impl<'a> Unpin for Image<'a>

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impl<'a> UnwindSafe for Image<'a>

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