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[Unreleased]

[0.0.12] - 2025-08-10

  • Himg::Renderer re-used between render calls. Allows us to cache font library loading and the multi-threading runtime.
  • Resolve race condition which sometimes prevented local resources from being processed.
  • CLI accepts input piped from stdin, e.g echo '<h1>Hello</h1>' | himg screenshot output.png
  • CLI shows usage help info when screenshot is called with incorrect arguments

[0.0.11] - 2025-08-05

  • Adds missing thor dependency for CLI
  • CLI automatically sets base-url for http(s) resources
  • Added --http-headers CLI option for sending custom headers when fetching the initial SOURCE HTML.
  • CLI prints himg help screenshot USAGE example by default, including version and description.

[0.0.10] - 2025-08-01

  • Fixed himg require from native extension
  • Catch rust panics and wrap with ruby Error
  • GpuNotFound error extending Himg::Error

[0.0.9] - 2025-07-31

  • Returned to CPU-only rendering by default
  • Added gpu option to enable GPU rendering
  • Updated to latest blitz to fix blue/green colour swap on images

[0.0.8] - 2025-07-31

  • Return to GPU rendering by default: quality is low with CPU rendering.
  • Compile native Apple darwin/macos gems for intel and arm.
  • Remove debug symbols saving 315MB on the binary size.

[0.0.7] - 2025-07-29

  • Added fetch_timeout option to control restrict how long can be spent fetching resources.
  • Move bin/himg to exe/himg so bundler can install it in on the users PATH.

[0.0.6] - 2025-07-23

  • Updates to latest blitz
  • Renders on CPU instead of GPU (experimental)
  • Added bin/himg CLI screenshot tool
  • Added base_url option for configuring relative paths
  • Added disable_fetch option for security hardening
  • Fixed race conditions when failing to fetch resources

[0.0.5] - 2025-04-22

  • Can configure render himg: "" with options including width:, height:, truncate: and verbose:.
  • Can use himg_config helper methods at controller level and action level to set @_himg_config, which can then be passed to the renderer with render himg: "<!DOCTYPE html>", config: himg_config as an alternative to specifying config options individually to ActionController::Rendering#render.
  • himg_config helpers can also be used to control the configuration of template based default render, when not calling render manually within the controller. This works because the template handler can access @_himg_config.
  • Can use string width / height with Himg.render
  • Disable detailed log timings by default. Can re-enable with verbose: true. There is still some logging from blitz-net#fetch for http requests and for blitz-html::DocumentHtmlParser#finish on unexpected tokens.

[0.0.4] - 2025-04-22

  • Allow width, height and truncate to be passed to the render function.

[0.0.3] - 2025-04-22

  • Ensure that when render height is expanded to fit the content that we update the height we try to write in the png metadata to match.
  • Rust creates a ruby string with the binary png data so we don't need to convert with .pack("C*")
  • Himg::Error wraps errors from a Rust Result<_,Err>
  • Added OpenGraph metadata example
  • Default dimensions of 720x405 to match the ideal 16:9 ratio and image size for sharing og-image on messengers and social media.

[0.0.2] - 2025-04-21

  • Adds Rails support via a ActionView template handler. Takes views like action.show.erb, pre-processes them with Erb and renders to a .png with 'image/png' set as the MIME type.
  • Adds a ActionController::Renderer so render himg: '<div>Some HTML</div>' can be used either directly or from a format.png/format.himg block.

[0.0.1] - 2025-04-19

  • Initial alpha