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MkImage

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Image including optional caption.

Example: With caption

Jinja

{{ "https://picsum.photos/200" | MkImage(caption="A caption!") }}

Python

MkImage('https://picsum.photos/200', caption='A caption!')

A caption!

<figure markdown>
  ![](https://picsum.photos/200)
  <figcaption>A caption!</figcaption>
</figure>

<figure>
<p><img alt="" src="https://picsum.photos/200">
  </p>
<figcaption>A caption!</figcaption>
</figure>

.. image:: https://picsum.photos/200
    :alt: A caption!

<picture>
 <img alt="A caption!" src="https://picsum.photos/200">
</picture>

Example: Right-aligned

Jinja

{{ "https://picsum.photos/200" | MkImage(align="right") }}

Python

MkImage('https://picsum.photos/200', align='right')


![](https://picsum.photos/200){ align=right }

<p><img align="right" alt="" src="https://picsum.photos/200"></p>

.. image:: https://picsum.photos/200
    :align: right

<picture>
 <img alt="" src="https://picsum.photos/200">
</picture>

Example: Fixed width

Jinja

{{ "https://picsum.photos/200" | MkImage(width=500) }}

Python

MkImage('https://picsum.photos/200', width=500)


![](https://picsum.photos/200){ width="500" }

<p><img alt="" src="https://picsum.photos/200" width="500"></p>

.. image:: https://picsum.photos/200
    :width: 500

<picture>
 <img alt="" src="https://picsum.photos/200">
</picture>

Example: Hyperlinked

Jinja

{{ "https://picsum.photos/200" | MkImage(target="https://phil65.github.io/mknodes") }}

Python

MkImage('https://picsum.photos/200', target='https://phil65.github.io/mknodes')


[![](https://picsum.photos/200)](https://phil65.github.io/mknodes)

<p><a href="https://phil65.github.io/mknodes"><img alt="" src="https://picsum.photos/200"></a></p>

.. image:: https://picsum.photos/200
    :target: https://phil65.github.io/mknodes

<picture>
 <img alt="" src="https://picsum.photos/200">
</picture>

Example: Separate dark mode image

Jinja

{{ "https://picsum.photos/200" | MkImage(path_dark_mode="https://picsum.photos/300") }}

Python

MkImage('https://picsum.photos/200', path_dark_mode='https://picsum.photos/300')


![](https://picsum.photos/300#only-dark) ![](https://picsum.photos/200#only-light)

<p><img alt="" src="https://picsum.photos/300#only-dark"> <img alt="" src="https://picsum.photos/200#only-light"></p>

.. image:: https://picsum.photos/200

<picture>
 <source media="(prefers-color-scheme: dark)" srcset="https://picsum.photos/300">
 <source media="(prefers-color-scheme: light)" srcset="https://picsum.photos/200">
 <img alt="" src="https://picsum.photos/200">
</picture>

Bases: MkNode

__init__ 

__init__(
    path: str,
    *,
    target: LinkableType | None = None,
    caption: str = "",
    title: str = "",
    align: Literal["left", "right"] | None = None,
    width: int | None = None,
    lazy: bool = False,
    path_dark_mode: str | None = None,
    **kwargs: Any
)

Parameters:

Name Type Description Default
path str

path of the image

 required
target LinkableType | None

Optional URL or node the image should link to

 None
caption str

Image caption

 ''
title str

Image title

 ''
align Literal['left', 'right'] | None

Image alignment

 None
width int | None

Image width in pixels

 None
lazy bool

Whether to lazy-load image

 False
path_dark_mode str | None

Optional alternative image for dark mode

 None
kwargs Any

Keyword arguments passed to parent

 {}
Name Children Inherits
MkBinaryImage
mknodes.basenodes.mkbinaryimage
Image carrying the data by itself.
    MkBadge
    mknodes.templatenodes.mkbadge
    Node for a locally-created badge (based on "anybadge").
      Name Children Inherits
      MkNode
      mknodes.basenodes.mknode
      Base class for everything which can be expressed as Markup.      		 
      graph TD
  94721307729824["mkimage.MkImage"]
  94721308848336["mknode.MkNode"]
  94721311766592["node.Node"]
  140564252373184["builtins.object"]
  94721308848336 --> 94721307729824
  94721311766592 --> 94721308848336
  140564252373184 --> 94721311766592
      /home/runner/work/mknodes/mknodes/mknodes/basenodes/mkimage/metadata.toml
      [metadata]
icon = "mdi:image"
name = "MkImage"
group = "image"

[examples.with_caption]
title = "With caption"
jinja = """
{{ "https://picsum.photos/200" | MkImage(caption="A caption!") }}
"""

[examples.right_aligned]
title = "Right-aligned"
jinja = """
{{ "https://picsum.photos/200" | MkImage(align="right") }}
"""

[examples.fixed_width]
title = "Fixed width"
jinja = """
{{ "https://picsum.photos/200" | MkImage(width=500) }}
"""

[examples.hyperlinked]
title = "Hyperlinked"
jinja = """
{{ "https://picsum.photos/200" | MkImage(target="https://phil65.github.io/mknodes") }}
"""

[examples.dark_mode_image]
title = "Separate dark mode image"
jinja = """
{{ "https://picsum.photos/200" | MkImage(path_dark_mode="https://picsum.photos/300") }}
"""

[fragments]
image = """
![{{ node.title ~ "](" ~ path ~ (mode | add("#only-")) ~ ")" ~ (node.align | add("{ align=", " }")) ~ (node.width | add('{ width="', '" }')) }}{% if node.lazy %}{ loading=lazy }{% endif %}
"""
linked_image = """
{% if node.url %}
[{{ "fragments/image" | render_template(node=node, path=path, mode=mode) }}]({{ node.url }}){% else %}
{{ "fragments/image" | render_template(node=node, path=path, mode=mode) }}{% endif %}
"""

[output.markdown]
template = """
{% if node.path_dark_mode %}
{% set link_dark = "fragments/linked_image" | render_template(node=node, path=node.path_dark_mode, mode="dark") %}
{% set link_light = "fragments/linked_image" | render_template(node=node, path=node.path, mode="light") %}
{% set markdown_link = link_dark ~ " " ~ link_light %}
{% else %}
{% set markdown_link = "fragments/linked_image" | render_template(node=node, path=node.path, mode=None) %}
{% endif %}
{% if node.caption %}
<figure markdown>
  {{ markdown_link }}
  <figcaption>{{ node.caption }}</figcaption>
</figure>
{% else %}
{{ markdown_link }}{% endif %}
"""

[output.github]
template = """
<picture>
{% if node.path_dark_mode %}
 <source media="(prefers-color-scheme: dark)" srcset="{{ node.path_dark_mode }}">
 <source media="(prefers-color-scheme: light)" srcset="{{ node.path }}">
{% endif %}
 <img alt="{{ node.caption }}" src="{{ node.path }}">
</picture>
"""

[output.rst]
template = """
.. image:: {{ node.path }}
{% if node.width %}    :width: {{ node.width }}{% endif %}
{% if node.caption %}    :alt: {{ node.caption }}{% endif %}
{% if node.align %}    :align: {{ node.align }}{% endif %}
{% if node.url %}    :target: {{ node.url }}{% endif %}
"""
      mknodes.basenodes.mkimage.MkImage
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      class MkImage(mknode.MkNode):
    """Image including optional caption."""

    ICON = "material/image"
    ATTR_LIST_SEPARATOR = ""

    def __init__(
        self,
        path: str,
        *,
        target: linkprovider.LinkableType | None = None,
        caption: str = "",
        title: str = "",
        align: Literal["left", "right"] | None = None,
        width: int | None = None,
        lazy: bool = False,
        path_dark_mode: str | None = None,
        **kwargs: Any,
    ):
        """Constructor.

        Args:
            path: path of the image
            target: Optional URL or node the image should link to
            caption: Image caption
            title: Image title
            align: Image alignment
            width: Image width in pixels
            lazy: Whether to lazy-load image
            path_dark_mode: Optional alternative image for dark mode
            kwargs: Keyword arguments passed to parent
        """
        super().__init__(**kwargs)
        self.title = title
        self.caption = caption
        self.target = target
        self.align = align
        self.width = width
        self.lazy = lazy
        self._path_dark_mode = path_dark_mode
        self._path = path

    @property
    def path(self) -> str:
        if helpers.is_url(self._path):
            return self._path
        # TODO: linkreplacer doesnt work yet with full path
        return pathlib.Path(self._path).name  # this should not be needed.

    @property
    def path_dark_mode(self):
        match self._path_dark_mode:
            case str() if helpers.is_url(self._path_dark_mode):
                return self._path_dark_mode
            case str():
                return pathlib.Path(self._path_dark_mode).name
            case _:
                return None

    @property
    def url(self) -> str:
        return self.ctx.links.get_url(self.target) if self.target else ""

    def _to_markdown(self) -> str:
        if not self.path_dark_mode:
            markdown_link = self._build(self.path)
        else:
            link_2 = self._build(self.path, "light")
            link_1 = self._build(self.path_dark_mode, "dark")
            markdown_link = f"{link_1} {link_2}"
        if not self.caption:
            return markdown_link
        lines = [
            "<figure markdown>",
            f"  {markdown_link}",
            f"  <figcaption>{self.caption}</figcaption>",
            "</figure>",
        ]
        return "\n".join(lines) + "\n"

    def _build(self, path, mode: Literal["light", "dark"] | None = None) -> str:
        if mode:
            path += f"#only-{mode}"
        markdown_link = f"![{self.title}]({path})"
        if self.align:
            markdown_link += f"{{ align={self.align} }}"
        if self.width:
            markdown_link += f'{{ width="{self.width}" }}'
        if self.lazy:
            markdown_link += "{ loading=lazy }"
        if self.target:
            markdown_link = f"[{markdown_link}]({self.url})"
        return markdown_link