Crate zng_wgt_image

Image widget, properties and nodes.

Crate

This crate is part of the zng project.

Modules

• mask
  Mask properties, mask_image, mask_mode and more.
• node
  UI nodes used for building the image widget.

Structs

• Image
  W Image presenter.
• ImgErrorArgs
  Arguments for on_error and img_error_fn.
• ImgLoadArgs
  Arguments for on_load.
• ImgLoadingArgs
  Arguments for img_loading_fn.

Enums

• ImageFit
  Image layout mode.
• ImageRepeat
  Image repeat mode.

Statics

• IMAGE_ALIGN_VAR
  Align of the image in relation to the image widget final size.
• IMAGE_CACHE_VAR
  If the image is cached.
• IMAGE_CROP_VAR
  Simple clip applied to the image before layout.
• IMAGE_DOWNSCALE_VAR
  Custom resize applied during image decode.
• IMAGE_ERROR_FN_VAR
  Widget function for the content shown when the image does not load.
• IMAGE_FIT_VAR
  The image layout mode.
• IMAGE_LIMITS_VAR
  Custom image load and decode limits.
• IMAGE_LOADING_FN_VAR
  Widget function for the content shown when the image is still loading.
• IMAGE_OFFSET_VAR
  Offset applied to the image after all measure and arrange.
• IMAGE_RENDERING_VAR
  The Image scaling algorithm in the renderer.
• IMAGE_REPEAT_SPACING_VAR
  Spacing between repeated image copies.
• IMAGE_REPEAT_VAR
  Pattern repeat applied on the final image.
• IMAGE_SCALE_FACTOR_VAR
  If the image desired size is scaled by the screen scale factor.
• IMAGE_SCALE_PPI_VAR
  If the image desired size is scaled considering the image and screen PPIs.
• IMAGE_SCALE_VAR
  Scaling applied to the image desired size.

Functions

• get_img
  P Gets the CONTEXT_IMAGE_VAR.
• get_img_layout_size
  P Gets the CONTEXT_IMAGE_VAR ideal size.
• img_align
  P Sets the Align of all inner images within each image widget area.
• img_block_window_load
  P Block window load until image is loaded.
• img_cache
  P Sets the cache mode of all inner images.
• img_crop
  P Sets a Rect that is a clip applied to all inner images before their layout.
• img_downscale
  P Custom pixel resize applied during image load/decode.
• img_error_fn
  P Sets the wgt_fn! that is used to create a content for the error message.
• img_fit
  P Sets the ImageFit of all inner images.
• img_limits
  P Sets custom image load and decode limits.
• img_loading_fn
  P Sets the wgt_fn! that is used to create a content for the loading message.
• img_offset
  P Sets a Point that is an offset applied to all inner images within each image widget area.
• img_rendering
  P Sets the ImageRendering of all inner images.
• img_repeat
  P Sets the ImageRepeat of all inner images.
• img_repeat_spacing
  P Sets the spacing between copies of the image if it is repeated.
• img_scale
  P Sets the scale applied to all inner images.
• img_scale_factor
  P If the image desired size is scaled by the screen scale factor.
• img_scale_ppi
  P Sets if the image desired size is scaled considering the image and monitor PPI.
• is_error
  P If the CONTEXT_IMAGE_VAR is an error.
• is_loaded
  P If the CONTEXT_IMAGE_VAR has successfully loaded.
• on_error
  P Image load or decode error event.
• on_load
  P Image loaded event.
• source
  c The image source.