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Don't fit images to remaining height

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Makes them really small if there's only little space left ...
This commit is contained in:
Laurenz 2021-10-05 20:05:15 +02:00
parent 3d0dcbea18
commit b69c0355ec
3 changed files with 13 additions and 24 deletions
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23
src/layout/image.rs
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@ -1,8 +1,6 @@
use super::*;
use crate::image::ImageId;
use ::image::GenericImageView;
/// An image node.
#[derive(Debug)]
#[cfg_attr(feature = "layout-cache", derive(Hash))]
@ -27,27 +25,22 @@ impl Layout for ImageNode {
let width = self.width.map(|w| w.resolve(base.w));
let height = self.height.map(|w| w.resolve(base.h));
let dimensions = ctx.images.get(self.id).buf.dimensions();
let pixel_width = dimensions.0 as f64;
let pixel_height = dimensions.1 as f64;
let pixel_ratio = pixel_width / pixel_height;
let img = ctx.images.get(self.id);
let pixel_size = Spec::new(img.width() as f64, img.height() as f64);
let pixel_ratio = pixel_size.x / pixel_size.y;
let size = match (width, height) {
(Some(width), Some(height)) => Size::new(width, height),
(Some(width), None) => Size::new(width, width / pixel_ratio),
(None, Some(height)) => Size::new(height * pixel_ratio, height),
(None, None) => {
constraints.exact = current.to_spec().map(Some);
let ratio = current.w / current.h;
if ratio < pixel_ratio && current.w.is_finite() {
constraints.exact.x = Some(current.w);
if current.w.is_finite() {
Size::new(current.w, current.w / pixel_ratio)
} else if current.h.is_finite() {
// TODO: Fix issue with line spacing.
Size::new(current.h * pixel_ratio, current.h)
} else {
// Totally unbounded region, we have to make up something.
Size::new(Length::pt(pixel_width), Length::pt(pixel_height))
// Totally unbounded region, we have to make up something,
// so it is 1pt per pixel.
pixel_size.map(Length::pt).to_size()
}
}
};

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tests/ref/elements/image.png
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14
tests/typ/elements/image.typ
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@ -13,15 +13,6 @@
---
// Test configuring the size and fitting behaviour of images.
// Fit to width of page.
#image("../../res/rhino.png")
// Fit to height of page.
[
#page(height: 40pt)
#image("../../res/rhino.png")
]
// Set width explicitly.
#image("../../res/rhino.png", width: 50pt)
@ -35,6 +26,11 @@
#align(bottom, right)
#image("../../res/tiger.jpg", width: 60pt)
---
// Does not fit to height of page.
#page(height: 60pt)
#image("../../res/rhino.png")
---
// Error: 8-29 file not found
#image("path/does/not/exist")