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LibMarkdown: Implement the image size extension

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This implements the image size extension that's quite commonly used:
https://github.com/commonmark/commonmark-spec/wiki/Deployed-Extensions#image-size

This supports specifying...

Both width and height: ![](foo.png =100x200)
Width only: ![](foo.png =100x)
Height only: ![](foo.png =x200)

The size is always in pixels (relative sizing does not seem
to be spec'd anywhere).
This commit is contained in:
MacDue 2022-08-03 00:11:58 +01:00 • committed by Andreas Kling
parent fb47a87340
commit 8140b1fa18
2 changed files with 58 additions and 2 deletions
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10
Userland/Libraries/LibMarkdown/Text.h
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@ -97,14 +97,22 @@ public:
bool is_image;
NonnullOwnPtr<Node> text;
String href;
Optional<int> image_width;
Optional<int> image_height;
LinkNode(bool is_image, NonnullOwnPtr<Node> text, String href)
LinkNode(bool is_image, NonnullOwnPtr<Node> text, String href, Optional<int> image_width, Optional<int> image_height)
: is_image(is_image)
, text(move(text))
, href(move(href))
, image_width(image_width)
, image_height(image_height)
{
}
bool has_image_dimensions() const
{
return image_width.has_value() || image_height.has_value();
}
virtual void render_to_html(StringBuilder& builder) const override;
virtual void render_for_terminal(StringBuilder& builder) const override;
virtual size_t terminal_length() const override;