libvips/api

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Types

HorizontalAlignment = enum
  HAlignLeft, HAlignCenter, HAlignRight
VerticalAlignment = enum
  VAlignTop, VAlignCenter, VAlignBottom
VipsError = object of CatchableError
A VipsError represents an error returned by libvips operations.

Procs

proc bands(img: ptr VipsImage): int {....raises: [], tags: [], forbids: [].}
Get the number of bands (channels) in the image. 
proc blend(img: ptr VipsImage; overlay: ptr VipsImage; mode: VipsBlendMode): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using the specified mode. 
proc blendAdd(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using add mode. 
proc blendDarken(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using darken mode. 
proc blendDifference(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using difference mode. 
proc blendExclusion(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using exclusion mode. 
proc blendLighten(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using lighten mode. 
proc blendMultiply(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using multiply mode. 
proc blendOverlay(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using overlay mode. 
proc blendScreen(img: ptr VipsImage; overlay: ptr VipsImage): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blend the overlay image onto the base image using screen mode. 
proc blur(img: ptr VipsImage; sigma: float = 1.0): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Blur the image using a Gaussian filter with the specified sigma. 
proc close(img: ptr VipsImage) {....raises: [], tags: [], forbids: [].}
proc crop(img: ptr VipsImage; left, top, width, height: int): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Crop the image to the specified rectangle. 
proc crop(img: ptr VipsImage; width, height: int): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Crop the image to the specified width and height, centered. 
proc enableVipsAcceleration(numWorkers: int) {....raises: [], tags: [], forbids: [].}
proc flip(img: ptr VipsImage; vertical: bool = true): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Flip the image vertically or horizontally. 
proc format(img: ptr VipsImage): VipsBandFormat {....raises: [], tags: [],
    forbids: [].}
Get the pixel format of the image. 
proc height(img: ptr VipsImage): int {....raises: [], tags: [], forbids: [].}
Get the height of the image. 
proc interpretation(img: ptr VipsImage): VipsInterpretation {....raises: [],
    tags: [], forbids: [].}
Get the color interpretation of the image. 
proc invert(img: ptr VipsImage): ptr VipsImage {....raises: [VipsError], tags: [],
    forbids: [].}
Invert the colors of the image. 
proc openImage(path: string): ptr VipsImage {....raises: [], tags: [], forbids: [].}
Open an image from the specified file path. 
proc resize(img: ptr VipsImage; scale: float): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Resize the image by the given scale factor. 
proc rotate(img: ptr VipsImage; angle: float = 90.0): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Rotate the image by the specified angle (in degrees). 
proc save(img: ptr VipsImage; path: string) {....raises: [VipsError], tags: [],
    forbids: [].}
Save the image to the specified file path. 
proc sharpen(img: ptr VipsImage): ptr VipsImage {....raises: [VipsError], tags: [],
    forbids: [].}
Sharpen the image. 
proc thumbnail(img: ptr VipsImage; size: int): ptr VipsImage {.
    ...raises: [VipsError], tags: [], forbids: [].}
Create a thumbnail of the image with the specified maximum size. 
proc width(img: ptr VipsImage): int {....raises: [], tags: [], forbids: [].}
Get the width of the image.

Templates

template init_vips(body: untyped)
template init_vips_accelerated(workers: int; body: untyped)

Made with Nim. Generated: 2025-09-22 16:43:04 UTC