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d8ab4e4600
Note that this is still disabled in the compiler with no way to enable it with public API
112 lines
2.8 KiB
Rust
112 lines
2.8 KiB
Rust
// Copyright © SixtyFPS GmbH <info@slint.dev>
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// SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-2.0 OR LicenseRef-Slint-Software-3.0
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#[cfg(feature = "software-renderer")]
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pub use resvg::tiny_skia::IntRect as Rect;
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#[derive(Debug, Clone, Copy, Default)]
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pub struct Size {
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pub width: u32,
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pub height: u32,
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}
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#[derive(Clone, Copy, Debug, strum::Display)]
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pub enum PixelFormat {
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// 24 bit RGB
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Rgb,
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// 32 bit RGBA
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Rgba,
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// 32 bit RGBA, but the RGB values are pre-multiplied by the alpha
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RgbaPremultiplied,
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// 8bit alpha map with a given color
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AlphaMap([u8; 3]),
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}
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#[cfg(feature = "software-renderer")]
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#[derive(Debug, Clone)]
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pub struct Texture {
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pub total_size: Size,
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pub original_size: Size,
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pub rect: Rect,
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pub data: Vec<u8>,
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pub format: PixelFormat,
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}
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#[cfg(feature = "software-renderer")]
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impl Texture {
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pub fn new_empty() -> Self {
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Self {
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total_size: Size::default(),
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original_size: Size::default(),
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rect: Rect::from_xywh(0, 0, 1, 1).unwrap(),
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data: vec![0, 0, 0, 0],
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format: PixelFormat::Rgba,
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}
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}
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}
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#[cfg(feature = "software-renderer")]
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#[derive(Debug, Clone, Default)]
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pub struct BitmapGlyph {
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pub x: i16,
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pub y: i16,
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pub width: i16,
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pub height: i16,
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pub x_advance: i16,
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/// 8bit alpha map or SDF if `BitMapGlyphs`'s `sdf` is `true`.
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pub data: Vec<u8>,
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}
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#[cfg(feature = "software-renderer")]
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#[derive(Debug, Clone)]
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pub struct BitmapGlyphs {
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pub pixel_size: i16,
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pub glyph_data: Vec<BitmapGlyph>,
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}
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#[cfg(feature = "software-renderer")]
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#[derive(Debug, Clone)]
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pub struct CharacterMapEntry {
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pub code_point: char,
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pub glyph_index: u16,
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}
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#[cfg(feature = "software-renderer")]
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#[derive(Debug, Clone)]
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pub struct BitmapFont {
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pub family_name: String,
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/// map of available glyphs, sorted by char
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pub character_map: Vec<CharacterMapEntry>,
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pub units_per_em: f32,
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pub ascent: f32,
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pub descent: f32,
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pub x_height: f32,
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pub cap_height: f32,
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pub glyphs: Vec<BitmapGlyphs>,
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pub weight: u16,
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pub italic: bool,
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/// true when the font is represented as a signed distance field
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pub sdf: bool,
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}
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#[derive(Debug, Clone)]
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pub enum EmbeddedResourcesKind {
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/// Only List the resource, do not actually embed it
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ListOnly,
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/// Just put the file content as a resource
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RawData,
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/// The data has been processed in a texture
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#[cfg(feature = "software-renderer")]
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TextureData(Texture),
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/// A set of pre-rendered glyphs of a TrueType font
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#[cfg(feature = "software-renderer")]
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BitmapFontData(BitmapFont),
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}
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#[derive(Debug, Clone)]
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pub struct EmbeddedResources {
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/// unique integer id, that can be used by the generator for symbol generation.
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pub id: usize,
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pub kind: EmbeddedResourcesKind,
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}
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