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https://github.com/ratatui-org/ratatui
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chore: replace big_text with hardcoded logo (#1203)
big_text.rs was a copy of the code from tui-big-text and was getting gradually out of sync with the original crate. It was also rendering something a bit different than the Ratatui logo. This commit replaces the big_text.rs file with a much smaller string representation of the Ratatui logo. 
This commit is contained in:
Josh McKinney
GitHub
parent
a80a8a6a47
commit
edc2af9822
4 changed files with 16 additions and 861 deletions
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//! [tui-big-text] is a rust crate that renders large pixel text as a [Ratatui] widget using the
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//! glyphs from the [font8x8] crate.
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//!
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//! 
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//!
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//! # Installation
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//!
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//! ```shell
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//! cargo add ratatui tui-big-text
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//! ```
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//!
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//! # Usage
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//!
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//! Create a [`BigText`] widget using `BigTextBuilder` and pass it to [`Frame::render_widget`] to
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//! render be rendered. The builder allows you to customize the [`Style`] of the widget and the
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//! [`PixelSize`] of the glyphs. The [`PixelSize`] can be used to control how many character cells
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//! are used to represent a single pixel of the 8x8 font.
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//!
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//! # Example
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//!
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//! ```rust
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//! use anyhow::Result;
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//! use ratatui::{
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//! backend::{self, Backend, CrosstermBackend},
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//! buffer::{self, Buffer},
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//! layout::{self, Alignment, Constraint, Direction, Layout, Margin, Rect},
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//! style::{self, Color, Modifier, Style, Styled, Stylize},
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//! symbols::{self, Marker},
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//! text::{self, Line, Masked, Span, Text},
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//! widgets::{block::BlockExt, StatefulWidget, Widget},
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//! CompletedFrame, Frame, Terminal, TerminalOptions, Viewport,
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//! };
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//! use tui_big_text::{BigTextBuilder, PixelSize};
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//!
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//! fn render(frame: &mut Frame) -> Result<()> {
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//! let big_text = BigTextBuilder::default()
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//! .pixel_size(PixelSize::Full)
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//! .style(Style::new().blue())
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//! .lines(vec![
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//! "Hello".red().into(),
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//! "World".white().into(),
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//! "~~~~~".into(),
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//! ])
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//! .build()?;
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//! frame.render_widget(big_text, frame.size());
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//! Ok(())
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//! }
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//! ```
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//!
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//! [tui-big-text]: https://crates.io/crates/tui-big-text
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//! [Ratatui]: https://crates.io/crates/ratatui
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//! [font8x8]: https://crates.io/crates/font8x8
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//! [`BigText`]: crate::BigText
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//! [`PixelSize`]: crate::PixelSize
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//! [`Frame::render_widget`]: ratatui::Frame::render_widget
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//! [`Style`]: ratatui::style::Style
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use std::cmp::min;
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use derive_builder::Builder;
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use font8x8::UnicodeFonts;
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use ratatui::{
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buffer::Buffer,
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layout::Rect,
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style::Style,
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text::{Line, StyledGrapheme},
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widgets::Widget,
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};
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#[allow(unused)]
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#[derive(Debug, Clone, Copy, Eq, PartialEq, Hash, Default)]
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pub enum PixelSize {
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#[default]
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/// A pixel from the 8x8 font is represented by a full character cell in the terminal.
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Full,
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/// A pixel from the 8x8 font is represented by a half (upper/lower) character cell in the
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/// terminal.
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HalfHeight,
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/// A pixel from the 8x8 font is represented by a half (left/right) character cell in the
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/// terminal.
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HalfWidth,
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/// A pixel from the 8x8 font is represented by a quadrant of a character cell in the terminal.
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Quadrant,
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}
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/// Displays one or more lines of text using 8x8 pixel characters.
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///
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/// The text is rendered using the [font8x8](https://crates.io/crates/font8x8) crate.
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///
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/// Using the `pixel_size` method, you can also chose, how 'big' a pixel should be.
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/// Currently a pixel of the 8x8 font can be represented by one full or half
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/// (horizontal/vertical/both) character cell of the terminal.
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///
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/// # Examples
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///
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/// ```rust
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/// use ratatui::{
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/// backend::{self, Backend, CrosstermBackend},
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/// buffer::{self, Buffer},
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/// layout::{self, Alignment, Constraint, Direction, Layout, Margin, Rect},
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/// style::{self, Color, Modifier, Style, Styled, Stylize},
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/// symbols::{self, Marker},
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/// text::{self, Line, Masked, Span, Text},
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/// widgets::{block::BlockExt, StatefulWidget, Widget},
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/// CompletedFrame, Frame, Terminal, TerminalOptions, Viewport,
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/// };
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/// use tui_big_text::{BigTextBuilder, PixelSize};
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///
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/// BigText::builder()
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/// .pixel_size(PixelSize::Full)
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/// .style(Style::new().white())
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/// .lines(vec![
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/// "Hello".red().into(),
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/// "World".blue().into(),
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/// "=====".into(),
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/// ])
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/// .build();
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/// ```
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///
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/// Renders:
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///
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/// ```plain
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/// ██ ██ ███ ███
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/// ██ ██ ██ ██
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/// ██ ██ ████ ██ ██ ████
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/// ██████ ██ ██ ██ ██ ██ ██
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/// ██ ██ ██████ ██ ██ ██ ██
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/// ██ ██ ██ ██ ██ ██ ██
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/// ██ ██ ████ ████ ████ ████
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///
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/// ██ ██ ███ ███
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/// ██ ██ ██ ██
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/// ██ ██ ████ ██ ███ ██ ██
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/// ██ █ ██ ██ ██ ███ ██ ██ █████
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/// ███████ ██ ██ ██ ██ ██ ██ ██
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/// ███ ███ ██ ██ ██ ██ ██ ██
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/// ██ ██ ████ ████ ████ ███ ██
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///
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/// ███ ██ ███ ██ ███ ██ ███ ██ ███ ██
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/// ██ ███ ██ ███ ██ ███ ██ ███ ██ ███
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/// ```
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#[derive(Debug, Builder, Clone, PartialEq, Eq, Hash)]
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pub struct BigText<'a> {
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/// The text to display
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#[builder(setter(into))]
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lines: Vec<Line<'a>>,
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/// The style of the widget
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///
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/// Defaults to `Style::default()`
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#[builder(default)]
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style: Style,
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/// The size of single glyphs
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///
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/// Defaults to `BigTextSize::default()` (=> `BigTextSize::Full`)
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#[builder(default)]
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pixel_size: PixelSize,
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}
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impl Widget for BigText<'_> {
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fn render(self, area: Rect, buf: &mut Buffer) {
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let layout = layout(area, self.pixel_size);
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for (line, line_layout) in self.lines.iter().zip(layout) {
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for (g, cell) in line.styled_graphemes(self.style).zip(line_layout) {
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render_symbol(&g, cell, buf, self.pixel_size);
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}
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}
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}
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}
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/// Returns how many cells are needed to display a full 8x8 glyphe using the given font size
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const fn cells_per_glyph(size: PixelSize) -> (u16, u16) {
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match size {
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PixelSize::Full => (8, 8),
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PixelSize::HalfHeight => (8, 4),
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PixelSize::HalfWidth => (4, 8),
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PixelSize::Quadrant => (4, 4),
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}
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}
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/// Chunk the area into as many x*y cells as possible returned as a 2D iterator of `Rect`s
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/// representing the rows of cells.
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/// The size of each cell depends on given font size
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fn layout(
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area: Rect,
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pixel_size: PixelSize,
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) -> impl IntoIterator<Item = impl IntoIterator<Item = Rect>> {
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let (width, height) = cells_per_glyph(pixel_size);
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(area.top()..area.bottom())
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.step_by(height as usize)
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.map(move |y| {
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(area.left()..area.right())
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.step_by(width as usize)
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.map(move |x| {
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let width = min(area.right() - x, width);
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let height = min(area.bottom() - y, height);
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Rect::new(x, y, width, height)
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})
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})
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}
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/// Render a single grapheme into a cell by looking up the corresponding 8x8 bitmap in the
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/// `BITMAPS` array and setting the corresponding cells in the buffer.
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fn render_symbol(grapheme: &StyledGrapheme, area: Rect, buf: &mut Buffer, pixel_size: PixelSize) {
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buf.set_style(area, grapheme.style);
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let c = grapheme.symbol.chars().next().unwrap(); // TODO: handle multi-char graphemes
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if let Some(glyph) = font8x8::BASIC_FONTS.get(c) {
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render_glyph(glyph, area, buf, pixel_size);
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}
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}
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/// Get the correct unicode symbol for two vertical "pixels"
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const fn get_symbol_half_height(top: u8, bottom: u8) -> char {
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match top {
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0 => match bottom {
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0 => ' ',
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_ => '▄',
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},
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_ => match bottom {
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0 => '▀',
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_ => '█',
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},
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}
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}
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/// Get the correct unicode symbol for two horizontal "pixels"
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const fn get_symbol_half_width(left: u8, right: u8) -> char {
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match left {
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0 => match right {
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0 => ' ',
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_ => '▐',
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},
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_ => match right {
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0 => '▌',
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_ => '█',
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},
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}
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}
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/// Get the correct unicode symbol for 2x2 "pixels"
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const fn get_symbol_half_size(
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top_left: u8,
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top_right: u8,
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bottom_left: u8,
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bottom_right: u8,
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) -> char {
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const QUADRANT_SYMBOLS: [char; 16] = [
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' ', '▘', '▝', '▀', '▖', '▌', '▞', '▛', '▗', '▚', '▐', '▜', '▄', '▙', '▟', '█',
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];
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let top_left = if top_left > 0 { 1 } else { 0 };
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let top_right = if top_right > 0 { 1 << 1 } else { 0 };
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let bottom_left = if bottom_left > 0 { 1 << 2 } else { 0 };
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let bottom_right = if bottom_right > 0 { 1 << 3 } else { 0 };
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QUADRANT_SYMBOLS[top_left + top_right + bottom_left + bottom_right]
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}
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/// Render a single 8x8 glyph into a cell by setting the corresponding cells in the buffer.
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fn render_glyph(glyph: [u8; 8], area: Rect, buf: &mut Buffer, pixel_size: PixelSize) {
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let (width, height) = cells_per_glyph(pixel_size);
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let glyph_vertical_index = (0..glyph.len()).step_by(8 / height as usize);
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let glyph_horizontal_bit_selector = (0..8).step_by(8 / width as usize);
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for (row, y) in glyph_vertical_index.zip(area.top()..area.bottom()) {
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for (col, x) in glyph_horizontal_bit_selector
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.clone()
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.zip(area.left()..area.right())
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{
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let cell = buf.get_mut(x, y);
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let symbol_character = match pixel_size {
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PixelSize::Full => match glyph[row] & (1 << col) {
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0 => ' ',
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_ => '█',
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},
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PixelSize::HalfHeight => {
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let top = glyph[row] & (1 << col);
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let bottom = glyph[row + 1] & (1 << col);
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get_symbol_half_height(top, bottom)
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}
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PixelSize::HalfWidth => {
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let left = glyph[row] & (1 << col);
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let right = glyph[row] & (1 << (col + 1));
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get_symbol_half_width(left, right)
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}
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PixelSize::Quadrant => {
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let top_left = glyph[row] & (1 << col);
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let top_right = glyph[row] & (1 << (col + 1));
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let bottom_left = glyph[row + 1] & (1 << col);
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let bottom_right = glyph[row + 1] & (1 << (col + 1));
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get_symbol_half_size(top_left, top_right, bottom_left, bottom_right)
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}
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};
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cell.set_char(symbol_character);
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use ratatui::style::Stylize;
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use super::*;
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type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
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#[test]
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fn build() -> Result<()> {
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let lines = vec![Line::from(vec!["Hello".red(), "World".blue()])];
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let style = Style::new().green();
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let pixel_size = PixelSize::default();
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assert_eq!(
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BigTextBuilder::default()
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.lines(lines.clone())
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.style(style)
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.build()?,
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BigText {
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lines,
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style,
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pixel_size
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}
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);
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Ok(())
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}
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#[test]
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fn render_single_line() -> Result<()> {
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let big_text = BigTextBuilder::default()
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.lines(vec![Line::from("SingleLine")])
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.build()?;
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let mut buf = Buffer::empty(Rect::new(0, 0, 80, 8));
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big_text.render(buf.area, &mut buf);
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let expected = Buffer::with_lines([
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" ████ ██ ███ ████ ██ ",
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"██ ██ ██ ██ ",
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"███ ███ █████ ███ ██ ██ ████ ██ ███ █████ ████ ",
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" ███ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ",
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" ███ ██ ██ ██ ██ ██ ██ ██████ ██ █ ██ ██ ██ ██████ ",
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"██ ██ ██ ██ ██ █████ ██ ██ ██ ██ ██ ██ ██ ██ ",
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" ████ ████ ██ ██ ██ ████ ████ ███████ ████ ██ ██ ████ ",
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" █████ ",
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]);
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assert_eq!(buf, expected);
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Ok(())
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}
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#[test]
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fn render_truncated() -> Result<()> {
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let big_text = BigTextBuilder::default()
|
|
||||||
.lines(vec![Line::from("Truncated")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 70, 6));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"██████ █ ███",
|
|
||||||
"█ ██ █ ██ ██",
|
|
||||||
" ██ ██ ███ ██ ██ █████ ████ ████ █████ ████ ██",
|
|
||||||
" ██ ███ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ █████",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ██ ██ █████ ██ ██████ ██ ██",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██ █ ██ ██ ██",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_multiple_lines() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.lines(vec![Line::from("Multi"), Line::from("Lines")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 16));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"██ ██ ███ █ ██ ",
|
|
||||||
"███ ███ ██ ██ ",
|
|
||||||
"███████ ██ ██ ██ █████ ███ ",
|
|
||||||
"███████ ██ ██ ██ ██ ██ ",
|
|
||||||
"██ █ ██ ██ ██ ██ ██ ██ ",
|
|
||||||
"██ ██ ██ ██ ██ ██ █ ██ ",
|
|
||||||
"██ ██ ███ ██ ████ ██ ████ ",
|
|
||||||
" ",
|
|
||||||
"████ ██ ",
|
|
||||||
" ██ ",
|
|
||||||
" ██ ███ █████ ████ █████ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ██ ",
|
|
||||||
" ██ █ ██ ██ ██ ██████ ████ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ██ ",
|
|
||||||
"███████ ████ ██ ██ ████ █████ ",
|
|
||||||
" ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_widget_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.lines(vec![Line::from("Styled")])
|
|
||||||
.style(Style::new().bold())
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 48, 8));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
" ████ █ ███ ███ ".bold(),
|
|
||||||
"██ ██ ██ ██ ██ ".bold(),
|
|
||||||
"███ █████ ██ ██ ██ ████ ██ ".bold(),
|
|
||||||
" ███ ██ ██ ██ ██ ██ ██ █████ ".bold(),
|
|
||||||
" ███ ██ ██ ██ ██ ██████ ██ ██ ".bold(),
|
|
||||||
"██ ██ ██ █ █████ ██ ██ ██ ██ ".bold(),
|
|
||||||
" ████ ██ ██ ████ ████ ███ ██ ".bold(),
|
|
||||||
" █████ ".bold(),
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_line_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.lines(vec![
|
|
||||||
Line::from("Red".red()),
|
|
||||||
Line::from("Green".green()),
|
|
||||||
Line::from("Blue".blue()),
|
|
||||||
])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 24));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let mut expected = Buffer::with_lines([
|
|
||||||
"██████ ███ ",
|
|
||||||
" ██ ██ ██ ",
|
|
||||||
" ██ ██ ████ ██ ",
|
|
||||||
" █████ ██ ██ █████ ",
|
|
||||||
" ██ ██ ██████ ██ ██ ",
|
|
||||||
" ██ ██ ██ ██ ██ ",
|
|
||||||
"███ ██ ████ ███ ██ ",
|
|
||||||
" ",
|
|
||||||
" ████ ",
|
|
||||||
" ██ ██ ",
|
|
||||||
"██ ██ ███ ████ ████ █████ ",
|
|
||||||
"██ ███ ██ ██ ██ ██ ██ ██ ██ ",
|
|
||||||
"██ ███ ██ ██ ██████ ██████ ██ ██ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ██ ",
|
|
||||||
" █████ ████ ████ ████ ██ ██ ",
|
|
||||||
" ",
|
|
||||||
"██████ ███ ",
|
|
||||||
" ██ ██ ██ ",
|
|
||||||
" ██ ██ ██ ██ ██ ████ ",
|
|
||||||
" █████ ██ ██ ██ ██ ██ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██████ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██ ",
|
|
||||||
"██████ ████ ███ ██ ████ ",
|
|
||||||
" ",
|
|
||||||
]);
|
|
||||||
expected.set_style(Rect::new(0, 0, 24, 8), Style::new().red());
|
|
||||||
expected.set_style(Rect::new(0, 8, 40, 8), Style::new().green());
|
|
||||||
expected.set_style(Rect::new(0, 16, 32, 8), Style::new().blue());
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_height_single_line() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfHeight)
|
|
||||||
.lines(vec![Line::from("SingleLine")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 80, 4));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▄█▀▀█▄ ▀▀ ▀██ ▀██▀ ▀▀ ",
|
|
||||||
"▀██▄ ▀██ ██▀▀█▄ ▄█▀▀▄█▀ ██ ▄█▀▀█▄ ██ ▀██ ██▀▀█▄ ▄█▀▀█▄ ",
|
|
||||||
"▄▄ ▀██ ██ ██ ██ ▀█▄▄██ ██ ██▀▀▀▀ ██ ▄█ ██ ██ ██ ██▀▀▀▀ ",
|
|
||||||
" ▀▀▀▀ ▀▀▀▀ ▀▀ ▀▀ ▄▄▄▄█▀ ▀▀▀▀ ▀▀▀▀ ▀▀▀▀▀▀▀ ▀▀▀▀ ▀▀ ▀▀ ▀▀▀▀ ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_height_truncated() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfHeight)
|
|
||||||
.lines(vec![Line::from("Truncated")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 70, 3));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"█▀██▀█ ▄█ ▀██",
|
|
||||||
" ██ ▀█▄█▀█▄ ██ ██ ██▀▀█▄ ▄█▀▀█▄ ▀▀▀█▄ ▀██▀▀ ▄█▀▀█▄ ▄▄▄██",
|
|
||||||
" ██ ██ ▀▀ ██ ██ ██ ██ ██ ▄▄ ▄█▀▀██ ██ ▄ ██▀▀▀▀ ██ ██",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_height_multiple_lines() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfHeight)
|
|
||||||
.lines(vec![Line::from("Multi"), Line::from("Lines")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 8));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"██▄ ▄██ ▀██ ▄█ ▀▀ ",
|
|
||||||
"███████ ██ ██ ██ ▀██▀▀ ▀██ ",
|
|
||||||
"██ ▀ ██ ██ ██ ██ ██ ▄ ██ ",
|
|
||||||
"▀▀ ▀▀ ▀▀▀ ▀▀ ▀▀▀▀ ▀▀ ▀▀▀▀ ",
|
|
||||||
"▀██▀ ▀▀ ",
|
|
||||||
" ██ ▀██ ██▀▀█▄ ▄█▀▀█▄ ▄█▀▀▀▀ ",
|
|
||||||
" ██ ▄█ ██ ██ ██ ██▀▀▀▀ ▀▀▀█▄ ",
|
|
||||||
"▀▀▀▀▀▀▀ ▀▀▀▀ ▀▀ ▀▀ ▀▀▀▀ ▀▀▀▀▀ ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_height_widget_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfHeight)
|
|
||||||
.lines(vec![Line::from("Styled")])
|
|
||||||
.style(Style::new().bold())
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 48, 4));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▄█▀▀█▄ ▄█ ▀██ ▀██ ".bold(),
|
|
||||||
"▀██▄ ▀██▀▀ ██ ██ ██ ▄█▀▀█▄ ▄▄▄██ ".bold(),
|
|
||||||
"▄▄ ▀██ ██ ▄ ▀█▄▄██ ██ ██▀▀▀▀ ██ ██ ".bold(),
|
|
||||||
" ▀▀▀▀ ▀▀ ▄▄▄▄█▀ ▀▀▀▀ ▀▀▀▀ ▀▀▀ ▀▀ ".bold(),
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_height_line_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfHeight)
|
|
||||||
.lines(vec![
|
|
||||||
Line::from("Red".red()),
|
|
||||||
Line::from("Green".green()),
|
|
||||||
Line::from("Blue".blue()),
|
|
||||||
])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 12));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let mut expected = Buffer::with_lines([
|
|
||||||
"▀██▀▀█▄ ▀██ ",
|
|
||||||
" ██▄▄█▀ ▄█▀▀█▄ ▄▄▄██ ",
|
|
||||||
" ██ ▀█▄ ██▀▀▀▀ ██ ██ ",
|
|
||||||
"▀▀▀ ▀▀ ▀▀▀▀ ▀▀▀ ▀▀ ",
|
|
||||||
" ▄█▀▀█▄ ",
|
|
||||||
"██ ▀█▄█▀█▄ ▄█▀▀█▄ ▄█▀▀█▄ ██▀▀█▄ ",
|
|
||||||
"▀█▄ ▀██ ██ ▀▀ ██▀▀▀▀ ██▀▀▀▀ ██ ██ ",
|
|
||||||
" ▀▀▀▀▀ ▀▀▀▀ ▀▀▀▀ ▀▀▀▀ ▀▀ ▀▀ ",
|
|
||||||
"▀██▀▀█▄ ▀██ ",
|
|
||||||
" ██▄▄█▀ ██ ██ ██ ▄█▀▀█▄ ",
|
|
||||||
" ██ ██ ██ ██ ██ ██▀▀▀▀ ",
|
|
||||||
"▀▀▀▀▀▀ ▀▀▀▀ ▀▀▀ ▀▀ ▀▀▀▀ ",
|
|
||||||
]);
|
|
||||||
expected.set_style(Rect::new(0, 0, 24, 4), Style::new().red());
|
|
||||||
expected.set_style(Rect::new(0, 4, 40, 4), Style::new().green());
|
|
||||||
expected.set_style(Rect::new(0, 8, 32, 4), Style::new().blue());
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_width_single_line() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfWidth)
|
|
||||||
.lines(vec![Line::from("SingleLine")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 8));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▐█▌ █ ▐█ ██ █ ",
|
|
||||||
"█ █ █ ▐▌ ",
|
|
||||||
"█▌ ▐█ ██▌ ▐█▐▌ █ ▐█▌ ▐▌ ▐█ ██▌ ▐█▌ ",
|
|
||||||
"▐█ █ █ █ █ █ █ █ █ ▐▌ █ █ █ █ █ ",
|
|
||||||
" ▐█ █ █ █ █ █ █ ███ ▐▌ ▌ █ █ █ ███ ",
|
|
||||||
"█ █ █ █ █ ▐██ █ █ ▐▌▐▌ █ █ █ █ ",
|
|
||||||
"▐█▌ ▐█▌ █ █ █ ▐█▌ ▐█▌ ███▌▐█▌ █ █ ▐█▌ ",
|
|
||||||
" ██▌ ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_width_truncated() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfWidth)
|
|
||||||
.lines(vec![Line::from("Truncated")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 35, 6));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"███ ▐ ▐█",
|
|
||||||
"▌█▐ █ █",
|
|
||||||
" █ █▐█ █ █ ██▌ ▐█▌ ▐█▌ ▐██ ▐█▌ █",
|
|
||||||
" █ ▐█▐▌█ █ █ █ █ █ █ █ █ █ ▐██",
|
|
||||||
" █ ▐▌▐▌█ █ █ █ █ ▐██ █ ███ █ █",
|
|
||||||
" █ ▐▌ █ █ █ █ █ █ █ █ █▐ █ █ █",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_width_multiple_lines() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfWidth)
|
|
||||||
.lines(vec![Line::from("Multi"), Line::from("Lines")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 20, 16));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"█ ▐▌ ▐█ ▐ █ ",
|
|
||||||
"█▌█▌ █ █ ",
|
|
||||||
"███▌█ █ █ ▐██ ▐█ ",
|
|
||||||
"███▌█ █ █ █ █ ",
|
|
||||||
"█▐▐▌█ █ █ █ █ ",
|
|
||||||
"█ ▐▌█ █ █ █▐ █ ",
|
|
||||||
"█ ▐▌▐█▐▌▐█▌ ▐▌ ▐█▌ ",
|
|
||||||
" ",
|
|
||||||
"██ █ ",
|
|
||||||
"▐▌ ",
|
|
||||||
"▐▌ ▐█ ██▌ ▐█▌ ▐██ ",
|
|
||||||
"▐▌ █ █ █ █ █ █ ",
|
|
||||||
"▐▌ ▌ █ █ █ ███ ▐█▌ ",
|
|
||||||
"▐▌▐▌ █ █ █ █ █ ",
|
|
||||||
"███▌▐█▌ █ █ ▐█▌ ██▌ ",
|
|
||||||
" ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_width_widget_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfWidth)
|
|
||||||
.lines(vec![Line::from("Styled")])
|
|
||||||
.style(Style::new().bold())
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 24, 8));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▐█▌ ▐ ▐█ ▐█ ".bold(),
|
|
||||||
"█ █ █ █ █ ".bold(),
|
|
||||||
"█▌ ▐██ █ █ █ ▐█▌ █ ".bold(),
|
|
||||||
"▐█ █ █ █ █ █ █ ▐██ ".bold(),
|
|
||||||
" ▐█ █ █ █ █ ███ █ █ ".bold(),
|
|
||||||
"█ █ █▐ ▐██ █ █ █ █ ".bold(),
|
|
||||||
"▐█▌ ▐▌ █ ▐█▌ ▐█▌ ▐█▐▌".bold(),
|
|
||||||
" ██▌ ".bold(),
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_width_line_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::HalfWidth)
|
|
||||||
.lines(vec![
|
|
||||||
Line::from("Red".red()),
|
|
||||||
Line::from("Green".green()),
|
|
||||||
Line::from("Blue".blue()),
|
|
||||||
])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 20, 24));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let mut expected = Buffer::with_lines([
|
|
||||||
"███ ▐█ ",
|
|
||||||
"▐▌▐▌ █ ",
|
|
||||||
"▐▌▐▌▐█▌ █ ",
|
|
||||||
"▐██ █ █ ▐██ ",
|
|
||||||
"▐▌█ ███ █ █ ",
|
|
||||||
"▐▌▐▌█ █ █ ",
|
|
||||||
"█▌▐▌▐█▌ ▐█▐▌ ",
|
|
||||||
" ",
|
|
||||||
" ██ ",
|
|
||||||
"▐▌▐▌ ",
|
|
||||||
"█ █▐█ ▐█▌ ▐█▌ ██▌ ",
|
|
||||||
"█ ▐█▐▌█ █ █ █ █ █ ",
|
|
||||||
"█ █▌▐▌▐▌███ ███ █ █ ",
|
|
||||||
"▐▌▐▌▐▌ █ █ █ █ ",
|
|
||||||
" ██▌██ ▐█▌ ▐█▌ █ █ ",
|
|
||||||
" ",
|
|
||||||
"███ ▐█ ",
|
|
||||||
"▐▌▐▌ █ ",
|
|
||||||
"▐▌▐▌ █ █ █ ▐█▌ ",
|
|
||||||
"▐██ █ █ █ █ █ ",
|
|
||||||
"▐▌▐▌ █ █ █ ███ ",
|
|
||||||
"▐▌▐▌ █ █ █ █ ",
|
|
||||||
"███ ▐█▌ ▐█▐▌▐█▌ ",
|
|
||||||
" ",
|
|
||||||
]);
|
|
||||||
expected.set_style(Rect::new(0, 0, 12, 8), Style::new().red());
|
|
||||||
expected.set_style(Rect::new(0, 8, 20, 8), Style::new().green());
|
|
||||||
expected.set_style(Rect::new(0, 16, 16, 8), Style::new().blue());
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn check_half_size_symbols() -> Result<()> {
|
|
||||||
assert_eq!(get_symbol_half_size(0, 0, 0, 0), ' ');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 0, 0, 0), '▘');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 1, 0, 0), '▝');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 1, 0, 0), '▀');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 0, 1, 0), '▖');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 0, 1, 0), '▌');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 1, 1, 0), '▞');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 1, 1, 0), '▛');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 0, 0, 1), '▗');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 0, 0, 1), '▚');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 1, 0, 1), '▐');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 1, 0, 1), '▜');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 0, 1, 1), '▄');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 0, 1, 1), '▙');
|
|
||||||
assert_eq!(get_symbol_half_size(0, 1, 1, 1), '▟');
|
|
||||||
assert_eq!(get_symbol_half_size(1, 1, 1, 1), '█');
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_size_single_line() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::Quadrant)
|
|
||||||
.lines(vec![Line::from("SingleLine")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 40, 4));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▟▀▙ ▀ ▝█ ▜▛ ▀ ",
|
|
||||||
"▜▙ ▝█ █▀▙ ▟▀▟▘ █ ▟▀▙ ▐▌ ▝█ █▀▙ ▟▀▙ ",
|
|
||||||
"▄▝█ █ █ █ ▜▄█ █ █▀▀ ▐▌▗▌ █ █ █ █▀▀ ",
|
|
||||||
"▝▀▘ ▝▀▘ ▀ ▀ ▄▄▛ ▝▀▘ ▝▀▘ ▀▀▀▘▝▀▘ ▀ ▀ ▝▀▘ ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_size_truncated() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::Quadrant)
|
|
||||||
.lines(vec![Line::from("Truncated")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 35, 3));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▛█▜ ▟ ▝█",
|
|
||||||
" █ ▜▟▜▖█ █ █▀▙ ▟▀▙ ▝▀▙ ▝█▀ ▟▀▙ ▗▄█",
|
|
||||||
" █ ▐▌▝▘█ █ █ █ █ ▄ ▟▀█ █▗ █▀▀ █ █",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_size_multiple_lines() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::Quadrant)
|
|
||||||
.lines(vec![Line::from("Multi"), Line::from("Lines")])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 20, 8));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"█▖▟▌ ▝█ ▟ ▀ ",
|
|
||||||
"███▌█ █ █ ▝█▀ ▝█ ",
|
|
||||||
"█▝▐▌█ █ █ █▗ █ ",
|
|
||||||
"▀ ▝▘▝▀▝▘▝▀▘ ▝▘ ▝▀▘ ",
|
|
||||||
"▜▛ ▀ ",
|
|
||||||
"▐▌ ▝█ █▀▙ ▟▀▙ ▟▀▀ ",
|
|
||||||
"▐▌▗▌ █ █ █ █▀▀ ▝▀▙ ",
|
|
||||||
"▀▀▀▘▝▀▘ ▀ ▀ ▝▀▘ ▀▀▘ ",
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_size_widget_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::Quadrant)
|
|
||||||
.lines(vec![Line::from("Styled")])
|
|
||||||
.style(Style::new().bold())
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 24, 4));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let expected = Buffer::with_lines([
|
|
||||||
"▟▀▙ ▟ ▝█ ▝█ ".bold(),
|
|
||||||
"▜▙ ▝█▀ █ █ █ ▟▀▙ ▗▄█ ".bold(),
|
|
||||||
"▄▝█ █▗ ▜▄█ █ █▀▀ █ █ ".bold(),
|
|
||||||
"▝▀▘ ▝▘ ▄▄▛ ▝▀▘ ▝▀▘ ▝▀▝▘".bold(),
|
|
||||||
]);
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
|
|
||||||
#[test]
|
|
||||||
fn render_half_size_line_style() -> Result<()> {
|
|
||||||
let big_text = BigTextBuilder::default()
|
|
||||||
.pixel_size(PixelSize::Quadrant)
|
|
||||||
.lines(vec![
|
|
||||||
Line::from("Red".red()),
|
|
||||||
Line::from("Green".green()),
|
|
||||||
Line::from("Blue".blue()),
|
|
||||||
])
|
|
||||||
.build()?;
|
|
||||||
let mut buf = Buffer::empty(Rect::new(0, 0, 20, 12));
|
|
||||||
big_text.render(buf.area, &mut buf);
|
|
||||||
let mut expected = Buffer::with_lines([
|
|
||||||
"▜▛▜▖ ▝█ ",
|
|
||||||
"▐▙▟▘▟▀▙ ▗▄█ ",
|
|
||||||
"▐▌▜▖█▀▀ █ █ ",
|
|
||||||
"▀▘▝▘▝▀▘ ▝▀▝▘ ",
|
|
||||||
"▗▛▜▖ ",
|
|
||||||
"█ ▜▟▜▖▟▀▙ ▟▀▙ █▀▙ ",
|
|
||||||
"▜▖▜▌▐▌▝▘█▀▀ █▀▀ █ █ ",
|
|
||||||
" ▀▀▘▀▀ ▝▀▘ ▝▀▘ ▀ ▀ ",
|
|
||||||
"▜▛▜▖▝█ ",
|
|
||||||
"▐▙▟▘ █ █ █ ▟▀▙ ",
|
|
||||||
"▐▌▐▌ █ █ █ █▀▀ ",
|
|
||||||
"▀▀▀ ▝▀▘ ▝▀▝▘▝▀▘ ",
|
|
||||||
]);
|
|
||||||
expected.set_style(Rect::new(0, 0, 12, 4), Style::new().red());
|
|
||||||
expected.set_style(Rect::new(0, 4, 20, 4), Style::new().green());
|
|
||||||
expected.set_style(Rect::new(0, 8, 16, 4), Style::new().blue());
|
|
||||||
assert_eq!(buf, expected);
|
|
||||||
Ok(())
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -4,19 +4,17 @@ use ratatui::{
|
||||||
buffer::Buffer,
|
buffer::Buffer,
|
||||||
layout::{Flex, Layout, Rect},
|
layout::{Flex, Layout, Rect},
|
||||||
style::{Color, Style},
|
style::{Color, Style},
|
||||||
|
text::Text,
|
||||||
widgets::Widget,
|
widgets::Widget,
|
||||||
Frame,
|
Frame,
|
||||||
};
|
};
|
||||||
use unicode_width::UnicodeWidthStr;
|
|
||||||
|
|
||||||
use crate::big_text::{BigTextBuilder, PixelSize};
|
|
||||||
|
|
||||||
/// delay the start of the animation so it doesn't start immediately
|
/// delay the start of the animation so it doesn't start immediately
|
||||||
const DELAY: usize = 240;
|
const DELAY: usize = 120;
|
||||||
/// higher means more pixels per frame are modified in the animation
|
/// higher means more pixels per frame are modified in the animation
|
||||||
const DRIP_SPEED: usize = 50;
|
const DRIP_SPEED: usize = 500;
|
||||||
/// delay the start of the text animation so it doesn't start immediately after the initial delay
|
/// delay the start of the text animation so it doesn't start immediately after the initial delay
|
||||||
const TEXT_DELAY: usize = 240;
|
const TEXT_DELAY: usize = 180;
|
||||||
|
|
||||||
/// Destroy mode activated by pressing `d`
|
/// Destroy mode activated by pressing `d`
|
||||||
pub fn destroy(frame: &mut Frame<'_>) {
|
pub fn destroy(frame: &mut Frame<'_>) {
|
||||||
|
|
@ -86,19 +84,18 @@ fn text(frame_count: usize, area: Rect, buf: &mut Buffer) {
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
let line = "RATATUI";
|
let logo = indoc::indoc! {"
|
||||||
let big_text = BigTextBuilder::default()
|
██████ ████ ██████ ████ ██████ ██ ██ ██
|
||||||
.lines([line.into()])
|
██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
||||||
.pixel_size(PixelSize::Full)
|
██████ ████████ ██ ████████ ██ ██ ██ ██
|
||||||
.style(Style::new().fg(Color::Rgb(255, 0, 0)))
|
██ ██ ██ ██ ██ ██ ██ ██ ██ ██ ██
|
||||||
.build()
|
██ ██ ██ ██ ██ ██ ██ ██ ████ ██
|
||||||
.unwrap();
|
"};
|
||||||
|
let logo_text = Text::styled(logo, Color::Rgb(255, 255, 255));
|
||||||
// the font size is 8x8 for each character and we have 1 line
|
let area = centered_rect(area, logo_text.width() as u16, logo_text.height() as u16);
|
||||||
let area = centered_rect(area, line.width() as u16 * 8, 8);
|
|
||||||
|
|
||||||
let mask_buf = &mut Buffer::empty(area);
|
let mask_buf = &mut Buffer::empty(area);
|
||||||
big_text.render(area, mask_buf);
|
logo_text.render(area, mask_buf);
|
||||||
|
|
||||||
let percentage = (sub_frame as f64 / 480.0).clamp(0.0, 1.0);
|
let percentage = (sub_frame as f64 / 480.0).clamp(0.0, 1.0);
|
||||||
|
|
||||||
|
|
|
||||||
|
|
@ -20,7 +20,6 @@
|
||||||
)]
|
)]
|
||||||
|
|
||||||
mod app;
|
mod app;
|
||||||
mod big_text;
|
|
||||||
mod colors;
|
mod colors;
|
||||||
mod destroy;
|
mod destroy;
|
||||||
mod errors;
|
mod errors;
|
||||||
|
|
|
||||||
|
|
@ -10,9 +10,9 @@ Set Width 1120
|
||||||
Set Height 480
|
Set Height 480
|
||||||
Set Padding 0
|
Set Padding 0
|
||||||
Hide
|
Hide
|
||||||
Type "cargo run --example demo2 --features crossterm,widget-calendar"
|
Type "cargo run --example demo2 --features crossterm,palette,widget-calendar"
|
||||||
Enter
|
Enter
|
||||||
Sleep 2s
|
Sleep 2s
|
||||||
Show
|
Show
|
||||||
Type "d"
|
Type "d"
|
||||||
Sleep 30s
|
Sleep 20s
|
||||||
|
|
|
||||||
Loading…
Reference in a new issue