Enum image::DynamicImage

pub enum DynamicImage {
    ImageLuma8(GrayImage),
    ImageLumaA8(GrayAlphaImage),
    ImageRgb8(RgbImage),
    ImageRgba8(RgbaImage),
    ImageBgr8(ImageBuffer<Bgr<u8>, Vec<u8>>),
    ImageBgra8(ImageBuffer<Bgra<u8>, Vec<u8>>),
    ImageLuma16(ImageBuffer<Luma<u16>, Vec<u16>>),
    ImageLumaA16(ImageBuffer<LumaA<u16>, Vec<u16>>),
    ImageRgb16(ImageBuffer<Rgb<u16>, Vec<u16>>),
    ImageRgba16(ImageBuffer<Rgba<u16>, Vec<u16>>),
}

A Dynamic Image

Variants

ImageLuma8(GrayImage)

Each pixel in this image is 8-bit Luma

ImageLumaA8(GrayAlphaImage)

Each pixel in this image is 8-bit Luma with alpha

ImageRgb8(RgbImage)

Each pixel in this image is 8-bit Rgb

ImageRgba8(RgbaImage)

Each pixel in this image is 8-bit Rgb with alpha

ImageBgr8(ImageBuffer<Bgr<u8>, Vec<u8>>)

Each pixel in this image is 8-bit Bgr

ImageBgra8(ImageBuffer<Bgra<u8>, Vec<u8>>)

Each pixel in this image is 8-bit Bgr with alpha

ImageLuma16(ImageBuffer<Luma<u16>, Vec<u16>>)

Each pixel in this image is 16-bit Luma

ImageLumaA16(ImageBuffer<LumaA<u16>, Vec<u16>>)

Each pixel in this image is 16-bit Luma with alpha

ImageRgb16(ImageBuffer<Rgb<u16>, Vec<u16>>)

Each pixel in this image is 16-bit Rgb

ImageRgba16(ImageBuffer<Rgba<u16>, Vec<u16>>)

Each pixel in this image is 16-bit Rgb with alpha

Implementations

impl DynamicImage

pub fn new_luma8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of grey pixels.

pub fn new_luma_a8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of grey pixels with transparency.

pub fn new_rgb8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of RGB pixels.

pub fn new_rgba8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of RGBA pixels.

pub fn new_bgra8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of BGRA pixels.

pub fn new_bgr8(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of BGR pixels.

pub fn new_luma16(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of grey pixels.

pub fn new_luma_a16(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of grey pixels with transparency.

pub fn new_rgb16(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of RGB pixels.

pub fn new_rgba16(w: u32, h: u32) -> DynamicImage

Creates a dynamic image backed by a buffer of RGBA pixels.

pub fn from_decoder<'a>(decoder: impl ImageDecoder<'a>) -> ImageResult<Self>

Decodes an encoded image into a dynamic image.

pub fn to_rgb(&self) -> RgbImage

👎 Deprecated:

replaced by to_rgb8

Returns a copy of this image as an RGB image.

pub fn to_rgb8(&self) -> RgbImage

Returns a copy of this image as an RGB image.

pub fn to_rgb16(&self) -> ImageBuffer<Rgb<u16>, Vec<u16>>

Returns a copy of this image as an RGB image.

pub fn to_rgba(&self) -> RgbaImage

👎 Deprecated:

replaced by to_rgba8

Returns a copy of this image as an RGBA image.

pub fn to_rgba8(&self) -> RgbaImage

Returns a copy of this image as an RGBA image.

pub fn to_rgba16(&self) -> ImageBuffer<Rgba<u16>, Vec<u16>>

Returns a copy of this image as an RGBA image.

pub fn to_bgr(&self) -> ImageBuffer<Bgr<u8>, Vec<u8>>

👎 Deprecated:

replaced by to_bgr8

Returns a copy of this image as an BGR image.

pub fn to_bgr8(&self) -> ImageBuffer<Bgr<u8>, Vec<u8>>

Returns a copy of this image as an BGR image.

pub fn to_bgra(&self) -> ImageBuffer<Bgra<u8>, Vec<u8>>

👎 Deprecated:

replaced by to_bgra8

Returns a copy of this image as an BGRA image.

pub fn to_bgra8(&self) -> ImageBuffer<Bgra<u8>, Vec<u8>>

Returns a copy of this image as an BGRA image.

pub fn to_luma(&self) -> GrayImage

👎 Deprecated:

replaced by to_luma8

Returns a copy of this image as a Luma image.

pub fn to_luma8(&self) -> GrayImage

Returns a copy of this image as a Luma image.

pub fn to_luma16(&self) -> ImageBuffer<Luma<u16>, Vec<u16>>

Returns a copy of this image as a Luma image.

pub fn to_luma_alpha(&self) -> GrayAlphaImage

👎 Deprecated:

replaced by to_luma_alpha8

Returns a copy of this image as a LumaA image.

pub fn to_luma_alpha8(&self) -> GrayAlphaImage

Returns a copy of this image as a LumaA image.

pub fn to_luma_alpha16(&self) -> ImageBuffer<LumaA<u16>, Vec<u16>>

Returns a copy of this image as a LumaA image.

pub fn into_rgb(self) -> RgbImage

👎 Deprecated:

replaced by into_rgb8

Consume the image and returns a RGB image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_rgb8(self) -> RgbImage

Consume the image and returns a RGB image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_rgb16(self) -> ImageBuffer<Rgb<u16>, Vec<u16>>

Consume the image and returns a RGB image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_rgba(self) -> RgbaImage

👎 Deprecated:

replaced by into_rgba8

Consume the image and returns a RGBA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_rgba8(self) -> RgbaImage

Consume the image and returns a RGBA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_rgba16(self) -> ImageBuffer<Rgba<u16>, Vec<u16>>

Consume the image and returns a RGBA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_bgr(self) -> ImageBuffer<Bgr<u8>, Vec<u8>>

👎 Deprecated:

replaced by into_bgra8

Consume the image and returns a BGR image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_bgr8(self) -> ImageBuffer<Bgr<u8>, Vec<u8>>

Consume the image and returns a BGR image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_bgra(self) -> ImageBuffer<Bgra<u8>, Vec<u8>>

👎 Deprecated:

replaced by into_bgra8

Consume the image and returns a BGRA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_bgra8(self) -> ImageBuffer<Bgra<u8>, Vec<u8>>

Consume the image and returns a BGRA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma(self) -> GrayImage

👎 Deprecated:

replaced by into_luma8

Consume the image and returns a Luma image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma8(self) -> GrayImage

Consume the image and returns a Luma image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma16(self) -> ImageBuffer<Luma<u16>, Vec<u16>>

Consume the image and returns a Luma image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma_alpha(self) -> GrayAlphaImage

👎 Deprecated:

replaced by into_luma_alpha8

Consume the image and returns a LumaA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma_alpha8(self) -> GrayAlphaImage

Consume the image and returns a LumaA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn into_luma_alpha16(self) -> ImageBuffer<LumaA<u16>, Vec<u16>>

Consume the image and returns a LumaA image.

If the image was already the correct format, it is returned as is. Otherwise, a copy is created.

pub fn crop(&mut self, x: u32, y: u32, width: u32, height: u32) -> DynamicImage

Return a cut-out of this image delimited by the bounding rectangle.

Note: this method does not modify the object, and its signature will be replaced with crop_imm()’s in the 0.24 release

pub fn crop_imm(&self, x: u32, y: u32, width: u32, height: u32) -> DynamicImage

Return a cut-out of this image delimited by the bounding rectangle.

pub fn as_rgb8(&self) -> Option<&RgbImage>

Return a reference to an 8bit RGB image

pub fn as_mut_rgb8(&mut self) -> Option<&mut RgbImage>

Return a mutable reference to an 8bit RGB image

pub fn as_bgr8(&self) -> Option<&ImageBuffer<Bgr<u8>, Vec<u8>>>

Return a reference to an 8bit BGR image

pub fn as_mut_bgr8(&mut self) -> Option<&mut ImageBuffer<Bgr<u8>, Vec<u8>>>

Return a mutable reference to an 8bit BGR image

pub fn as_rgba8(&self) -> Option<&RgbaImage>

Return a reference to an 8bit RGBA image

pub fn as_mut_rgba8(&mut self) -> Option<&mut RgbaImage>

Return a mutable reference to an 8bit RGBA image

pub fn as_bgra8(&self) -> Option<&ImageBuffer<Bgra<u8>, Vec<u8>>>

Return a reference to an 8bit BGRA image

pub fn as_mut_bgra8(&mut self) -> Option<&mut ImageBuffer<Bgra<u8>, Vec<u8>>>

Return a mutable reference to an 8bit RGBA image

pub fn as_luma8(&self) -> Option<&GrayImage>

Return a reference to an 8bit Grayscale image

pub fn as_mut_luma8(&mut self) -> Option<&mut GrayImage>

Return a mutable reference to an 8bit Grayscale image

pub fn as_luma_alpha8(&self) -> Option<&GrayAlphaImage>

Return a reference to an 8bit Grayscale image with an alpha channel

pub fn as_mut_luma_alpha8(&mut self) -> Option<&mut GrayAlphaImage>

Return a mutable reference to an 8bit Grayscale image with an alpha channel

pub fn as_rgb16(&self) -> Option<&ImageBuffer<Rgb<u16>, Vec<u16>>>

Return a reference to an 16bit RGB image

pub fn as_mut_rgb16(&mut self) -> Option<&mut ImageBuffer<Rgb<u16>, Vec<u16>>>

Return a mutable reference to an 16bit RGB image

pub fn as_rgba16(&self) -> Option<&ImageBuffer<Rgba<u16>, Vec<u16>>>

Return a reference to an 16bit RGBA image

pub fn as_mut_rgba16(&mut self) -> Option<&mut ImageBuffer<Rgba<u16>, Vec<u16>>>

Return a mutable reference to an 16bit RGBA image

pub fn as_luma16(&self) -> Option<&ImageBuffer<Luma<u16>, Vec<u16>>>

Return a reference to an 16bit Grayscale image

pub fn as_mut_luma16(&mut self) -> Option<&mut ImageBuffer<Luma<u16>, Vec<u16>>>

Return a mutable reference to an 16bit Grayscale image

pub fn as_luma_alpha16(&self) -> Option<&ImageBuffer<LumaA<u16>, Vec<u16>>>

Return a reference to an 16bit Grayscale image with an alpha channel

pub fn as_mut_luma_alpha16(
    &mut self
) -> Option<&mut ImageBuffer<LumaA<u16>, Vec<u16>>>

Return a mutable reference to an 16bit Grayscale image with an alpha channel

pub fn as_flat_samples_u8(&self) -> Option<FlatSamples<&[u8]>>

Return a view on the raw sample buffer for 8 bit per channel images.

pub fn as_flat_samples_u16(&self) -> Option<FlatSamples<&[u16]>>

Return a view on the raw sample buffer for 16 bit per channel images.

pub fn as_bytes(&self) -> &[u8]

Return this image’s pixels as a native endian byte slice.

pub fn into_bytes(self) -> Vec<u8>

Return this image’s pixels as a byte vector. If the ImageBuffer container is Vec<u8>, this operation is free. Otherwise, a copy is returned.

pub fn to_bytes(&self) -> Vec<u8>

Return a copy of this image’s pixels as a byte vector.

pub fn color(&self) -> ColorType

Return this image’s color type.

pub fn grayscale(&self) -> DynamicImage

Return a grayscale version of this image.

pub fn invert(&mut self)

Invert the colors of this image. This method operates inplace.

pub fn resize(
    &self,
    nwidth: u32,
    nheight: u32,
    filter: FilterType
) -> DynamicImage

Resize this image using the specified filter algorithm. 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.

pub fn resize_exact(
    &self,
    nwidth: u32,
    nheight: u32,
    filter: FilterType
) -> DynamicImage

Resize this image using the specified filter algorithm. Returns a new image. Does not preserve aspect ratio. nwidth and nheight are the new image’s dimensions

pub fn thumbnail(&self, nwidth: u32, nheight: u32) -> DynamicImage

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.

pub fn thumbnail_exact(&self, nwidth: u32, nheight: u32) -> DynamicImage

Scale this image down to a specific size. Returns a new image. Does not preserve aspect ratio. nwidth and nheight are the new image’s dimensions. 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.

pub fn resize_to_fill(
    &self,
    nwidth: u32,
    nheight: u32,
    filter: FilterType
) -> DynamicImage

Resize this image using the specified filter algorithm. Returns a new image. The image’s aspect ratio is preserved. The image is scaled to the maximum possible size that fits within the larger (relative to aspect ratio) of the bounds specified by nwidth and nheight, then cropped to fit within the other bound.

pub fn blur(&self, sigma: f32) -> DynamicImage

Performs a Gaussian blur on this image. sigma is a measure of how much to blur by.

pub fn unsharpen(&self, sigma: f32, threshold: i32) -> DynamicImage

Performs an unsharpen mask on this image. sigma is the amount to blur the image by. threshold is a control of how much to sharpen.

See https://en.wikipedia.org/wiki/Unsharp_masking#Digital_unsharp_masking

pub fn filter3x3(&self, kernel: &[f32]) -> DynamicImage

Filters this image with the specified 3x3 kernel.

pub fn adjust_contrast(&self, c: f32) -> DynamicImage

Adjust the contrast of this image. contrast is the amount to adjust the contrast by. Negative values decrease the contrast and positive values increase the contrast.

pub fn brighten(&self, value: i32) -> DynamicImage

Brighten the pixels of this image. value is the amount to brighten each pixel by. Negative values decrease the brightness and positive values increase it.

pub fn huerotate(&self, value: i32) -> DynamicImage

Hue rotate the supplied image. value is the degrees to rotate each pixel by. 0 and 360 do nothing, the rest rotates by the given degree value. just like the css webkit filter hue-rotate(180)

pub fn flipv(&self) -> DynamicImage

Flip this image vertically

pub fn fliph(&self) -> DynamicImage

Flip this image horizontally

pub fn rotate90(&self) -> DynamicImage

Rotate this image 90 degrees clockwise.

pub fn rotate180(&self) -> DynamicImage

Rotate this image 180 degrees clockwise.

pub fn rotate270(&self) -> DynamicImage

Rotate this image 270 degrees clockwise.

pub fn write_to<W: Write, F: Into<ImageOutputFormat>>(
    &self,
    w: &mut W,
    format: F
) -> ImageResult<()>

Encode this image and write it to w

pub fn save<Q>(&self, path: Q) -> ImageResult<()> where
    Q: AsRef<Path>, 

Saves the buffer to a file at the path specified.

The image format is derived from the file extension.

pub fn save_with_format<Q>(
    &self,
    path: Q,
    format: ImageFormat
) -> ImageResult<()> where
    Q: AsRef<Path>, 

Saves the buffer to a file at the specified path in the specified format.

See save_buffer_with_format for supported types.

Trait Implementations

impl Clone for DynamicImage

fn clone(&self) -> DynamicImage

Returns a copy of the value.

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

Performs copy-assignment from source.

impl GenericImage for DynamicImage

type InnerImage = DynamicImage

Underlying image type. This is mainly used by SubImages in order to always have a reference to the original image. This allows for less indirections and it eases the use of nested SubImages.

fn put_pixel(&mut self, x: u32, y: u32, pixel: Rgba<u8>)

Put a pixel at location (x, y)

fn blend_pixel(&mut self, x: u32, y: u32, pixel: Rgba<u8>)

DEPRECATED: Use iterator pixels_mut to blend the pixels directly.

fn get_pixel_mut(&mut self, _: u32, _: u32) -> &mut Rgba<u8>

DEPRECATED: Do not use is function: It is unimplemented!

fn inner_mut(&mut self) -> &mut Self::InnerImage

Returns a mutable reference to the underlying image.

unsafe fn unsafe_put_pixel(&mut self, x: u32, y: u32, pixel: Self::Pixel)

Puts a pixel at location (x, y)

fn copy_from<O>(&mut self, other: &O, x: u32, y: u32) -> ImageResult<()> where
    O: GenericImageView<Pixel = Self::Pixel>, 

Copies all of the pixels from another image into this image.

fn copy_within(&mut self, source: Rect, x: u32, y: u32) -> bool

Copies all of the pixels from one part of this image to another part of this image.

fn sub_image(
    &mut self,
    x: u32,
    y: u32,
    width: u32,
    height: u32
) -> SubImage<&mut Self::InnerImage>

Returns a mutable subimage that is a view into this image. If you want an immutable subimage instead, use GenericImageView::view

impl GenericImageView for DynamicImage

type Pixel = Rgba<u8>

The type of pixel.

type InnerImageView = Self

Underlying image type. This is mainly used by SubImages in order to always have a reference to the original image. This allows for less indirections and it eases the use of nested SubImages.

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

The width and height of this image.

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

The bounding rectangle of this image.

fn get_pixel(&self, x: u32, y: u32) -> Rgba<u8>

Returns the pixel located at (x, y)

fn inner(&self) -> &Self::InnerImageView

Returns a reference to the underlying image.

fn width(&self) -> u32

The width of this image.

fn height(&self) -> u32

The height of this image.

fn in_bounds(&self, x: u32, y: u32) -> bool

Returns true if this x, y coordinate is contained inside the image.

unsafe fn unsafe_get_pixel(&self, x: u32, y: u32) -> Self::Pixel

Returns the pixel located at (x, y)

fn pixels(&self) -> Pixels<'_, Self>

Returns an Iterator over the pixels of this image. The iterator yields the coordinates of each pixel along with their value

fn view(
    &self,
    x: u32,
    y: u32,
    width: u32,
    height: u32
) -> SubImage<&Self::InnerImageView>

Returns an subimage that is an immutable view into this image. You can use GenericImage::sub_image if you need a mutable view instead.