Crate zng_wgt_image

Image widget, properties and nodes.

Crate

This crate is part of the zng project.

Modules

border

9-patch image border.

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.