Add resolution support
This commit is contained in:
parent
3f70c53aab
commit
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GPG key ID:
B67D7410F33A0F61
3 changed files with 434 additions and 35 deletions
76
Cargo.lock
generated
76
Cargo.lock
generated
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@ -2,6 +2,12 @@
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "autocfg"
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version = "1.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f1fdabc7756949593fe60f30ec81974b613357de856987752631dea1e3394c80"
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[[package]]
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name = "bitflags"
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version = "2.5.0"
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@ -28,13 +34,28 @@ dependencies = [
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"syn",
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]
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[[package]]
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name = "byteorder"
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version = "1.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
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[[package]]
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name = "color_quant"
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version = "1.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d7b894f5411737b7867f4827955924d7c254fc9f4d91a6aad6b097804b1018b"
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[[package]]
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name = "cosmic-jotdown"
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version = "0.1.0"
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dependencies = [
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"cosmic-text",
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"emath",
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"image",
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"jotdown",
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"log",
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"nominals",
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"rangemap",
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"serde",
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]
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@ -85,6 +106,12 @@ dependencies = [
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"synstructure",
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]
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[[package]]
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name = "emath"
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version = "0.27.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e4c3a552cfca14630702449d35f41c84a0d15963273771c6059175a803620f3f"
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[[package]]
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name = "font-types"
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version = "0.5.2"
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@ -117,6 +144,18 @@ dependencies = [
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"ttf-parser",
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]
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[[package]]
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name = "image"
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version = "0.24.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5690139d2f55868e080017335e4b94cb7414274c74f1669c84fb5feba2c9f69d"
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dependencies = [
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"bytemuck",
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"byteorder",
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"color_quant",
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"num-traits",
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]
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[[package]]
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name = "jotdown"
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version = "0.3.2"
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@ -154,19 +193,34 @@ dependencies = [
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.79"
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name = "nominals"
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version = "0.3.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e835ff2298f5721608eb1a980ecaee1aef2c132bf95ecc026a11b7bf3c01c02e"
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checksum = "bd4b6e50a0a7f2214e99ecf7f4a2c9cb9572e5817d96e37a6d31387961c23994"
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[[package]]
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name = "num-traits"
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version = "0.2.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "da0df0e5185db44f69b44f26786fe401b6c293d1907744beaa7fa62b2e5a517a"
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dependencies = [
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"autocfg",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.81"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3d1597b0c024618f09a9c3b8655b7e430397a36d23fdafec26d6965e9eec3eba"
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dependencies = [
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"unicode-ident",
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]
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[[package]]
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name = "quote"
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version = "1.0.35"
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version = "1.0.36"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "291ec9ab5efd934aaf503a6466c5d5251535d108ee747472c3977cc5acc868ef"
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checksum = "0fa76aaf39101c457836aec0ce2316dbdc3ab723cdda1c6bd4e6ad4208acaca7"
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dependencies = [
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"proc-macro2",
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]
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@ -227,18 +281,18 @@ checksum = "58bf37232d3bb9a2c4e641ca2a11d83b5062066f88df7fed36c28772046d65ba"
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[[package]]
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name = "serde"
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version = "1.0.197"
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version = "1.0.198"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fb1c873e1b9b056a4dc4c0c198b24c3ffa059243875552b2bd0933b1aee4ce2"
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checksum = "9846a40c979031340571da2545a4e5b7c4163bdae79b301d5f86d03979451fcc"
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dependencies = [
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"serde_derive",
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]
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[[package]]
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name = "serde_derive"
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version = "1.0.197"
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version = "1.0.198"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7eb0b34b42edc17f6b7cac84a52a1c5f0e1bb2227e997ca9011ea3dd34e8610b"
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checksum = "e88edab869b01783ba905e7d0153f9fc1a6505a96e4ad3018011eedb838566d9"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -273,9 +327,9 @@ dependencies = [
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[[package]]
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name = "syn"
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version = "2.0.58"
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version = "2.0.60"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "44cfb93f38070beee36b3fef7d4f5a16f27751d94b187b666a5cc5e9b0d30687"
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checksum = "909518bc7b1c9b779f1bbf07f2929d35af9f0f37e47c6e9ef7f9dddc1e1821f3"
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dependencies = [
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"proc-macro2",
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"quote",
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@ -11,7 +11,9 @@ jotdown = { git = "https://git.nations.lol/fnmain/jotdown" }
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log = "0.4.21"
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serde = { version = "1.0.197", features = ["derive"], optional = true }
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rangemap = "1.5.1"
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nominals = "0.3.0"
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emath = "0.27.2"
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image = { version = "0.24.9", default-features = false }
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[features]
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default = ["serde"]
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serde = ["dep:serde", "rangemap/serde1"]
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389
src/lib.rs
389
src/lib.rs
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@ -1,17 +1,21 @@
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use std::borrow::Cow;
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use cosmic_text::{Attrs, Buffer, Color, Family, FontSystem, Metrics, Shaping, Style, Weight};
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use jotdown::{Container, Event, ListKind};
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use cosmic_text::{self, Align};
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use cosmic_text::{Attrs, Buffer, Color, Family, FontSystem, Metrics, Shaping, Style, Weight};
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use emath::{Pos2, Rect, Vec2};
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use jotdown::{Container, Event, ListKind, OrderedListNumbering, OrderedListStyle};
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use nominals::{LetterLower, LetterUpper, Nominal, RomanLower, RomanUpper};
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pub use jotdown;
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use rangemap::RangeMap;
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#[cfg(feature = "serde")]
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mod serde_suck;
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pub mod serde_suck;
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#[cfg(feature = "serde")]
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use serde::{Deserialize, Serialize};
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#[cfg(feature = "serde")]
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pub use serde_suck::*;
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use rangemap::RangeMap;
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pub struct JotdownBufferIter<'a, T: Iterator<Item = Event<'a>>> {
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pub djot: T,
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pub indent: Vec<Indent>,
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@ -27,9 +31,10 @@ struct JotdownIntoBuffer<'a, 'b, T: Iterator<Item = Event<'a>>> {
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pub urls: Vec<(std::ops::Range<usize>, Cow<'a, str>)>,
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pub location: usize,
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pub added: bool,
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pub top_level_container: Option<Container<'a>>,
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}
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#[derive(Default, Clone, Copy)]
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#[derive(Default, Clone, Copy, Debug)]
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#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
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pub struct Indent {
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#[cfg_attr(feature = "serde", serde(with = "ListKindOption"))]
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@ -37,7 +42,7 @@ pub struct Indent {
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pub indent: f32,
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}
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pub const INDENT_AMOUNT: f32 = 18.0;
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pub const INDENT_AMOUNT: f32 = 64.0;
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impl<'a, 'b, T: Iterator<Item = Event<'a>>> Iterator for JotdownIntoBuffer<'a, 'b, T> {
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type Item = (&'a str, Attrs<'static>);
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@ -92,17 +97,32 @@ impl<'a, 'b, T: Iterator<Item = Event<'a>>> Iterator for JotdownIntoBuffer<'a, '
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}
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Event::Start(container, _) => match container {
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Container::Heading { level, .. } => {
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self.metrics = Metrics::new(4.0 - level as f32, 4.0 - level as f32);
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let l = match level {
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1 => 2.0,
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2 => 1.5,
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3 => 1.17,
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4 => 1.0,
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5 => 0.83,
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_ => 0.67,
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};
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self.metrics = Metrics::new(l, l * 1.1);
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self.top_level_container.get_or_insert(container);
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}
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Container::Emphasis => self.attrs = self.attrs.style(Style::Italic),
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Container::Strong => self.attrs = self.attrs.weight(Weight::BOLD),
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Container::Verbatim => self.attrs = self.attrs.family(Family::Monospace),
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Container::ListItem { .. } | Container::Paragraph => {
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self.top_level_container.get_or_insert(container);
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}
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Container::List { kind, .. } => self.indent.push(Indent {
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indent: self.indent.last().copied().unwrap_or_default().indent
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+ INDENT_AMOUNT,
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modifier: Some(kind),
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}),
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Container::Image(url, _) => self.image_url = Some(url),
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Container::Image(ref url, _) => {
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self.image_url = Some(url.clone());
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self.top_level_container.get_or_insert(container);
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}
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Container::Link(_, _) => {
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self.link_start = self.location + 1;
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self.attrs = self.attrs.color(Color::rgb(96, 198, 233));
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@ -116,7 +136,7 @@ impl<'a, 'b, T: Iterator<Item = Event<'a>>> Iterator for JotdownIntoBuffer<'a, '
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Container::List { .. } => {
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self.indent.pop();
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}
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Container::Heading { .. } | Container::Paragraph | Container::Image(_, _) => {
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Container::Heading { .. } | Container::Paragraph => {
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if self.added {
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return None;
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}
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@ -138,20 +158,14 @@ impl<'a, 'b, T: Iterator<Item = Event<'a>>> Iterator for JotdownIntoBuffer<'a, '
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}
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}
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
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pub struct RichText<'a>(
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Cow<'a, str>,
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#[cfg_attr(feature = "serde", serde(with = "AttrsSerde"))]
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#[cfg_attr(feature = "serde", serde(borrow))]
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Attrs<'a>,
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#[cfg_attr(feature = "serde", serde(borrow))] pub Cow<'a, str>,
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#[cfg_attr(feature = "serde", serde(with = "AttrsSerde"))] pub Attrs<'a>,
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);
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impl<'a> From<(Cow<'a, str>, Attrs<'a>)> for RichText<'a> {
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fn from(value: (Cow<'a, str>, Attrs<'a>)) -> Self {
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Self(value.0, value.1)
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}
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}
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#[derive(Clone, Debug)]
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#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
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pub struct JotdownItem<'a> {
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pub indent: Indent,
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@ -160,15 +174,235 @@ pub struct JotdownItem<'a> {
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#[cfg_attr(feature = "serde", serde(with = "MetricsSerde"))]
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pub metrics: Metrics,
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pub image_url: Option<Cow<'a, str>>,
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pub margin: f32,
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pub url_map: Option<RangeMap<usize, Cow<'a, str>>>,
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}
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#[derive(Clone)]
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pub struct ResolvedJotdownItem<'a> {
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pub indent: Indent,
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pub buffer: Buffer,
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pub metrics: Metrics,
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pub relative_bounds: Rect,
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pub url_map: Option<RangeMap<usize, Cow<'a, str>>>,
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pub image_urls: Option<(String, String)>,
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}
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pub fn resolve_paragraphs<'a>(
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paragaphs: &[JotdownItem<'a>],
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viewbox: Vec2,
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font_system: &mut FontSystem,
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metrics: Metrics,
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align: Option<Align>,
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factor: f32,
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base_uri: &'static str,
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) -> (Vec2, Vec<ResolvedJotdownItem<'a>>) {
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let mut size = Vec2::new(0.0, 0.0);
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// Cannot be f32::MAX
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let mut last_margin = 99999.0;
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let mut last_image_size: Option<Vec2> = None;
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let mut first = true;
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let mut in_list = false;
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let mut list_number = 0;
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let mut paragraphs = paragaphs
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.iter()
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.flat_map(|jbuffer| {
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let mut buffer =
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jbuffer
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.clone()
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.resolve(font_system, viewbox.x, metrics, align, factor);
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let margin = jbuffer.margin * buffer.metrics.line_height;
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let margin_top = (margin - last_margin).max(0.0);
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buffer.relative_bounds = buffer
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.relative_bounds
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.translate(Vec2::new(buffer.indent.indent, size.y + margin_top));
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let buffer_size = buffer.relative_bounds.size();
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let buffer_indent = buffer.indent.indent;
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let result_buffers = if let Some(url) = &jbuffer.image_url {
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let url = url.split_once('#').unwrap();
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let image_size = url.1.split_once('x').unwrap();
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let image_size =
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Vec2::new(image_size.0.parse().unwrap(), image_size.1.parse().unwrap());
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let image = format!("{}/{}", base_uri, url.0);
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let split = url.0.rsplit_once('.').unwrap();
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let hi_image = format!("{}/{}_hi.{}", base_uri, split.0, split.1);
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buffer.image_urls = Some((image, hi_image));
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buffer.relative_bounds = Rect::from_min_size(
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Pos2::new(buffer.indent.indent, size.y + margin_top),
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image_size,
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);
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const IMAGE_PADDING: f32 = 8.0;
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if let Some(last_size) = last_image_size.as_mut() {
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let ls = *last_size;
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last_size.x += image_size.x + IMAGE_PADDING;
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if last_size.x > viewbox.x {
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size.y += last_size.y + margin_top;
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last_size.x = image_size.x + IMAGE_PADDING;
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last_size.y = image_size.y + margin_top;
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buffer.relative_bounds = Rect::from_min_size(
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Pos2::new(buffer.indent.indent, size.y + margin_top),
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image_size,
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);
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} else {
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last_size.y = last_size.y.max(image_size.y + margin_top);
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buffer.relative_bounds =
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buffer.relative_bounds.translate(Vec2::new(ls.x, 0.0));
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}
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} else {
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if image_size.x > viewbox.x {
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let max_size = Vec2::new(viewbox.x, image_size.y);
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let new_size = scale_to_fit(image_size, max_size, true);
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buffer.relative_bounds = Rect::from_min_size(
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Pos2::new(buffer.indent.indent, size.y + margin_top),
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new_size,
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);
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size.y += new_size.y + margin_top;
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} else {
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last_image_size = Some(image_size + Vec2::new(IMAGE_PADDING, margin_top));
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}
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}
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[Some(buffer), None]
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} else if let Some(mut list_kind) = buffer.indent.modifier {
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if let Some(image_size) = last_image_size {
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size.y += image_size.y;
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}
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if let ListKind::Ordered { start, .. } = &mut list_kind {
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if !in_list {
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list_number = *start;
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} else {
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list_number += 1;
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}
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*start = list_number;
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}
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in_list = true;
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let mut list_buffer = Buffer::new(font_system, buffer.metrics);
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list_buffer.set_text(
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font_system,
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make_list_number(list_kind).as_ref(),
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Attrs::new().family(Family::SansSerif),
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Shaping::Advanced,
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);
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list_buffer.set_wrap(font_system, cosmic_text::Wrap::WordOrGlyph);
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list_buffer.set_size(font_system, f32::MAX, f32::MAX);
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|
||||
list_buffer.shape_until_scroll(font_system, false);
|
||||
|
||||
let list_buffer_metrics = buffer.metrics;
|
||||
let indent = (buffer_indent) - (INDENT_AMOUNT * factor);
|
||||
[
|
||||
Some(buffer),
|
||||
Some(ResolvedJotdownItem {
|
||||
indent: Indent {
|
||||
modifier: None,
|
||||
indent,
|
||||
},
|
||||
relative_bounds: measure_buffer(
|
||||
&list_buffer,
|
||||
Vec2::new(f32::MAX, f32::MAX),
|
||||
)
|
||||
.translate(Vec2::new(indent, size.y + margin_top)),
|
||||
buffer: list_buffer,
|
||||
metrics: list_buffer_metrics,
|
||||
url_map: None,
|
||||
image_urls: None,
|
||||
}),
|
||||
]
|
||||
} else {
|
||||
if let Some(image_size) = last_image_size {
|
||||
size.y += image_size.y;
|
||||
}
|
||||
|
||||
in_list = false;
|
||||
[Some(buffer), None]
|
||||
};
|
||||
|
||||
size.y += buffer_size.y + (margin_top + margin);
|
||||
last_margin = margin;
|
||||
first = false;
|
||||
size.x = size.x.max(buffer_size.x + buffer_indent);
|
||||
|
||||
result_buffers
|
||||
})
|
||||
.filter_map(|p| p)
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
size.y -= last_margin;
|
||||
|
||||
if let Some(image_size) = last_image_size {
|
||||
size.y += image_size.y;
|
||||
}
|
||||
|
||||
paragraphs.iter_mut().for_each(|paragraph| {
|
||||
if paragraph.image_urls.is_none() {
|
||||
paragraph
|
||||
.relative_bounds
|
||||
.set_width(size.x - paragraph.indent.indent);
|
||||
paragraph
|
||||
.buffer
|
||||
.set_size(font_system, size.x - paragraph.indent.indent, f32::MAX);
|
||||
paragraph.buffer.shape_until_scroll(font_system, false);
|
||||
}
|
||||
});
|
||||
|
||||
(size, paragraphs)
|
||||
}
|
||||
|
||||
impl<'a> JotdownItem<'a> {
|
||||
pub fn resolve(
|
||||
mut self,
|
||||
font_system: &mut FontSystem,
|
||||
width: f32,
|
||||
metrics: Metrics,
|
||||
align: Option<Align>,
|
||||
factor: f32,
|
||||
) -> ResolvedJotdownItem<'a> {
|
||||
self.indent.indent *= factor;
|
||||
|
||||
let buffer = self.make_buffer(font_system, width, metrics, align);
|
||||
|
||||
ResolvedJotdownItem {
|
||||
indent: self.indent,
|
||||
relative_bounds: measure_buffer(&buffer, Vec2::new(width, f32::MAX)),
|
||||
buffer,
|
||||
metrics: Metrics::new(
|
||||
self.metrics.font_size * metrics.font_size,
|
||||
self.metrics.line_height * metrics.line_height,
|
||||
),
|
||||
url_map: self.url_map,
|
||||
image_urls: None,
|
||||
}
|
||||
}
|
||||
|
||||
pub fn new_default(text: Vec<RichText<'a>>) -> Self {
|
||||
Self {
|
||||
indent: Indent {
|
||||
modifier: None,
|
||||
indent: 0.0,
|
||||
},
|
||||
buffer: text,
|
||||
metrics: Metrics::new(1.0, 1.1),
|
||||
url_map: None,
|
||||
margin: 0.0,
|
||||
image_url: None,
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl<'a> JotdownItem<'a> {
|
||||
pub fn make_buffer(
|
||||
&self,
|
||||
font_system: &mut FontSystem,
|
||||
width: f32,
|
||||
metrics: Metrics,
|
||||
align: Option<Align>,
|
||||
) -> Buffer {
|
||||
let mut buffer = Buffer::new(
|
||||
font_system,
|
||||
|
|
@ -186,6 +420,11 @@ impl<'a> JotdownItem<'a> {
|
|||
|
||||
buffer.set_wrap(font_system, cosmic_text::Wrap::WordOrGlyph);
|
||||
buffer.set_size(font_system, width - self.indent.indent, f32::MAX);
|
||||
|
||||
for line in &mut buffer.lines {
|
||||
line.set_align(align);
|
||||
}
|
||||
|
||||
buffer.shape_until_scroll(font_system, false);
|
||||
buffer
|
||||
}
|
||||
|
|
@ -200,19 +439,21 @@ impl<'a, T: Iterator<Item = Event<'a>>> Iterator for JotdownBufferIter<'a, T> {
|
|||
attrs: Attrs::new().family(Family::SansSerif),
|
||||
indent: &mut self.indent,
|
||||
image_url: None,
|
||||
metrics: Metrics::new(1.0, 1.0),
|
||||
metrics: Metrics::new(1.0, 1.1),
|
||||
added: false,
|
||||
link_start: 0,
|
||||
location: 0,
|
||||
urls: Vec::new(),
|
||||
top_level_container: None,
|
||||
};
|
||||
|
||||
let buffer = (&mut jot)
|
||||
.map(|r| RichText(Cow::Borrowed(r.0), r.1))
|
||||
.map(|r| RichText(r.0.into(), r.1))
|
||||
.collect::<Vec<_>>();
|
||||
let image_url = jot.image_url;
|
||||
|
||||
let urls = jot.urls;
|
||||
let top_level_containers = jot.top_level_container;
|
||||
let added = jot.added;
|
||||
let metrics = jot.metrics;
|
||||
let indent = self.indent.last().copied().unwrap_or_default();
|
||||
|
|
@ -225,12 +466,29 @@ impl<'a, T: Iterator<Item = Event<'a>>> Iterator for JotdownBufferIter<'a, T> {
|
|||
None
|
||||
} else {
|
||||
let mut map = RangeMap::new();
|
||||
map.extend(urls.into_iter());
|
||||
map.extend(
|
||||
urls.into_iter()
|
||||
.map(|(range, url)| (range.start..range.end + 1, url)),
|
||||
);
|
||||
Some(map)
|
||||
},
|
||||
buffer,
|
||||
image_url,
|
||||
metrics,
|
||||
margin: match top_level_containers {
|
||||
Some(Container::Heading { level, .. }) => match level {
|
||||
1 => 0.34,
|
||||
2 => 0.42,
|
||||
3 => 0.5,
|
||||
4 => 0.65,
|
||||
5 => 0.85,
|
||||
6 => 1.25,
|
||||
_ => unreachable!(),
|
||||
},
|
||||
Some(Container::ListItem) => 0.5,
|
||||
Some(Container::Image(_, _)) => 1.0,
|
||||
_ => 1.0,
|
||||
},
|
||||
});
|
||||
}
|
||||
}
|
||||
|
|
@ -244,3 +502,88 @@ pub fn jotdown_into_buffers<'a, T: Iterator<Item = Event<'a>>>(
|
|||
indent: Vec::new(),
|
||||
}
|
||||
}
|
||||
|
||||
pub fn make_list_number(list_kind: ListKind) -> Cow<'static, str> {
|
||||
match list_kind {
|
||||
ListKind::Unordered | ListKind::Task => Cow::Borrowed("•"),
|
||||
ListKind::Ordered {
|
||||
numbering,
|
||||
style,
|
||||
start: number,
|
||||
} => {
|
||||
use std::fmt::Write;
|
||||
let mut result = String::new();
|
||||
|
||||
if matches!(style, OrderedListStyle::ParenParen) {
|
||||
result.push('(');
|
||||
}
|
||||
|
||||
match numbering {
|
||||
OrderedListNumbering::Decimal => {
|
||||
result.write_fmt(format_args!("{}", number)).unwrap()
|
||||
}
|
||||
OrderedListNumbering::AlphaLower => {
|
||||
result
|
||||
.write_fmt(format_args!("{}", (number - 1).to_nominal(&LetterLower)))
|
||||
.unwrap();
|
||||
}
|
||||
OrderedListNumbering::AlphaUpper => {
|
||||
result
|
||||
.write_fmt(format_args!("{}", (number - 1).to_nominal(&LetterUpper)))
|
||||
.unwrap();
|
||||
}
|
||||
OrderedListNumbering::RomanLower => {
|
||||
result
|
||||
.write_fmt(format_args!("{}", number.to_nominal(&RomanLower)))
|
||||
.unwrap();
|
||||
}
|
||||
OrderedListNumbering::RomanUpper => {
|
||||
result
|
||||
.write_fmt(format_args!("{}", number.to_nominal(&RomanUpper)))
|
||||
.unwrap();
|
||||
}
|
||||
}
|
||||
|
||||
match style {
|
||||
OrderedListStyle::Period => result.push('.'),
|
||||
OrderedListStyle::Paren | OrderedListStyle::ParenParen => result.push(')'),
|
||||
}
|
||||
|
||||
Cow::Owned(result)
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
pub fn measure_buffer(buffer: &Buffer, vb: Vec2) -> Rect {
|
||||
let mut rtl = false;
|
||||
let (width, total_lines) =
|
||||
buffer
|
||||
.layout_runs()
|
||||
.fold((0.0, 0usize), |(width, total_lines), run| {
|
||||
if run.rtl {
|
||||
rtl = true;
|
||||
}
|
||||
(run.line_w.max(width), total_lines + 1)
|
||||
});
|
||||
|
||||
let (max_width, max_height) = buffer.size();
|
||||
|
||||
let size = Vec2::new(
|
||||
if rtl { vb.x } else { width.min(max_width) },
|
||||
(total_lines as f32 * buffer.metrics().line_height).min(max_height),
|
||||
);
|
||||
|
||||
Rect::from_min_size(Pos2::ZERO, size)
|
||||
}
|
||||
|
||||
fn scale_to_fit(image_size: Vec2, available_size: Vec2, maintain_aspect_ratio: bool) -> Vec2 {
|
||||
if maintain_aspect_ratio {
|
||||
let ratio_x = available_size.x / image_size.x;
|
||||
let ratio_y = available_size.y / image_size.y;
|
||||
let ratio = if ratio_x < ratio_y { ratio_x } else { ratio_y };
|
||||
let ratio = if ratio.is_finite() { ratio } else { 1.0 };
|
||||
image_size * ratio
|
||||
} else {
|
||||
available_size
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue