Trait clipboard_rs::common::RustImage

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pub trait RustImage: Sized {
    // Required methods
    fn empty() -> Self;
    fn is_empty(&self) -> bool;
    fn from_path(path: &str) -> Result<Self>;
    fn from_bytes(bytes: &[u8]) -> Result<Self>;
    fn get_size(&self) -> (u32, u32);
    fn thumbnail(&self, width: u32, height: u32) -> Result<Self>;
    fn resize(
        &self,
        width: u32,
        height: u32,
        filter: FilterType
    ) -> Result<Self>;
    fn to_jpeg(&self, quality: u8) -> Result<RustImageBuffer>;
    fn to_png(&self) -> Result<RustImageBuffer>;
    fn to_bitmap(&self) -> Result<RustImageBuffer>;
    fn save_to_path(&self, path: &str) -> Result<()>;
}

Required Methods§

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fn empty() -> Self

create an empty image

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fn is_empty(&self) -> bool

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fn from_path(path: &str) -> Result<Self>

Read image from file path

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fn from_bytes(bytes: &[u8]) -> Result<Self>

Create a new image from a byte slice

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fn get_size(&self) -> (u32, u32)

width and height

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fn thumbnail(&self, width: u32, height: u32) -> Result<Self>

Scale this image down to fit within a specific size. Returns a new image. The image’s aspect ratio is preserved. The image is scaled to the maximum possible size that fits within the bounds specified by nwidth and nheight.

This method uses a fast integer algorithm where each source pixel contributes to exactly one target pixel. May give aliasing artifacts if new size is close to old size.

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fn resize(&self, width: u32, height: u32, filter: FilterType) -> Result<Self>

en: Adjust the size of the image without retaining the aspect ratio zh: 调整图片大小，不保留长宽比

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fn to_jpeg(&self, quality: u8) -> Result<RustImageBuffer>

en: Convert image to jpeg format, quality is the quality, give a value of 0-100, 100 is the highest quality, the returned image is a new image, and the data itself will not be modified zh: 把图片转为 jpeg 格式，quality(0-100) 为质量，输出字节数组，可直接通过 io 写入文件

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