diff options
Diffstat (limited to 'graphics/src')
| -rw-r--r-- | graphics/src/cached.rs | 8 | ||||
| -rw-r--r-- | graphics/src/geometry/cache.rs | 39 | ||||
| -rw-r--r-- | graphics/src/geometry/frame.rs | 16 | ||||
| -rw-r--r-- | graphics/src/image.rs | 156 | ||||
| -rw-r--r-- | graphics/src/lib.rs | 6 | ||||
| -rw-r--r-- | graphics/src/mesh.rs | 94 | ||||
| -rw-r--r-- | graphics/src/renderer.rs | 4 | ||||
| -rw-r--r-- | graphics/src/text.rs | 55 |
8 files changed, 272 insertions, 106 deletions
diff --git a/graphics/src/cached.rs b/graphics/src/cached.rs index b52f9d9d..1ba82f9f 100644 --- a/graphics/src/cached.rs +++ b/graphics/src/cached.rs @@ -5,7 +5,7 @@ use std::sync::Arc; /// A piece of data that can be cached. pub trait Cached: Sized { /// The type of cache produced. - type Cache; + type Cache: Clone; /// Loads the [`Cache`] into a proper instance. /// @@ -15,7 +15,7 @@ pub trait Cached: Sized { /// Caches this value, producing its corresponding [`Cache`]. /// /// [`Cache`]: Self::Cache - fn cache(self) -> Self::Cache; + fn cache(self, previous: Option<Self::Cache>) -> Self::Cache; } impl<T> Cached for Primitive<T> { @@ -27,7 +27,7 @@ impl<T> Cached for Primitive<T> { } } - fn cache(self) -> Arc<Self> { + fn cache(self, _previous: Option<Arc<Self>>) -> Arc<Self> { Arc::new(self) } } @@ -38,5 +38,5 @@ impl Cached for () { fn load(_cache: &Self::Cache) -> Self {} - fn cache(self) -> Self::Cache {} + fn cache(self, _previous: Option<Self::Cache>) -> Self::Cache {} } diff --git a/graphics/src/geometry/cache.rs b/graphics/src/geometry/cache.rs index 37d433c2..665e996b 100644 --- a/graphics/src/geometry/cache.rs +++ b/graphics/src/geometry/cache.rs @@ -22,13 +22,20 @@ where /// Creates a new empty [`Cache`]. pub fn new() -> Self { Cache { - state: RefCell::new(State::Empty), + state: RefCell::new(State::Empty { previous: None }), } } /// Clears the [`Cache`], forcing a redraw the next time it is used. pub fn clear(&self) { - *self.state.borrow_mut() = State::Empty; + use std::ops::Deref; + + let previous = match self.state.borrow().deref() { + State::Empty { previous } => previous.clone(), + State::Filled { geometry, .. } => Some(geometry.clone()), + }; + + *self.state.borrow_mut() = State::Empty { previous }; } /// Draws geometry using the provided closure and stores it in the @@ -49,20 +56,24 @@ where ) -> Renderer::Geometry { use std::ops::Deref; - if let State::Filled { - bounds: cached_bounds, - geometry, - } = self.state.borrow().deref() - { - if *cached_bounds == bounds { - return Cached::load(geometry); + let previous = match self.state.borrow().deref() { + State::Empty { previous } => previous.clone(), + State::Filled { + bounds: cached_bounds, + geometry, + } => { + if *cached_bounds == bounds { + return Cached::load(geometry); + } + + Some(geometry.clone()) } - } + }; let mut frame = Frame::new(renderer, bounds); draw_fn(&mut frame); - let geometry = frame.into_geometry().cache(); + let geometry = frame.into_geometry().cache(previous); let result = Cached::load(&geometry); *self.state.borrow_mut() = State::Filled { bounds, geometry }; @@ -79,7 +90,7 @@ where let state = self.state.borrow(); match *state { - State::Empty => write!(f, "Cache::Empty"), + State::Empty { .. } => write!(f, "Cache::Empty"), State::Filled { bounds, .. } => { write!(f, "Cache::Filled {{ bounds: {bounds:?} }}") } @@ -100,7 +111,9 @@ enum State<Geometry> where Geometry: Cached, { - Empty, + Empty { + previous: Option<Geometry::Cache>, + }, Filled { bounds: Size, geometry: Geometry::Cache, diff --git a/graphics/src/geometry/frame.rs b/graphics/src/geometry/frame.rs index ad35e8ec..377589d7 100644 --- a/graphics/src/geometry/frame.rs +++ b/graphics/src/geometry/frame.rs @@ -113,13 +113,11 @@ where region: Rectangle, f: impl FnOnce(&mut Self) -> R, ) -> R { - let mut frame = self.draft(region.size()); + let mut frame = self.draft(region); let result = f(&mut frame); - let origin = Point::new(region.x, region.y); - - self.paste(frame, origin); + self.paste(frame, Point::new(region.x, region.y)); result } @@ -129,14 +127,14 @@ where /// Draw its contents back to this [`Frame`] with [`paste`]. /// /// [`paste`]: Self::paste - pub fn draft(&mut self, size: Size) -> Self { + fn draft(&mut self, clip_bounds: Rectangle) -> Self { Self { - raw: self.raw.draft(size), + raw: self.raw.draft(clip_bounds), } } /// Draws the contents of the given [`Frame`] with origin at the given [`Point`]. - pub fn paste(&mut self, frame: Self, at: Point) { + fn paste(&mut self, frame: Self, at: Point) { self.raw.paste(frame.raw, at); } @@ -187,7 +185,7 @@ pub trait Backend: Sized { fn scale(&mut self, scale: impl Into<f32>); fn scale_nonuniform(&mut self, scale: impl Into<Vector>); - fn draft(&mut self, size: Size) -> Self; + fn draft(&mut self, clip_bounds: Rectangle) -> Self; fn paste(&mut self, frame: Self, at: Point); fn stroke<'a>(&mut self, path: &Path, stroke: impl Into<Stroke<'a>>); @@ -232,7 +230,7 @@ impl Backend for () { fn scale(&mut self, _scale: impl Into<f32>) {} fn scale_nonuniform(&mut self, _scale: impl Into<Vector>) {} - fn draft(&mut self, _size: Size) -> Self {} + fn draft(&mut self, _clip_bounds: Rectangle) -> Self {} fn paste(&mut self, _frame: Self, _at: Point) {} fn stroke<'a>(&mut self, _path: &Path, _stroke: impl Into<Stroke<'a>>) {} diff --git a/graphics/src/image.rs b/graphics/src/image.rs index d89caace..47a7b30e 100644 --- a/graphics/src/image.rs +++ b/graphics/src/image.rs @@ -1,14 +1,96 @@ //! Load and operate on images. -use crate::core::image::{Data, Handle}; +#[cfg(feature = "image")] +pub use ::image as image_rs; -use bitflags::bitflags; +use crate::core::image; +use crate::core::svg; +use crate::core::{Color, Rectangle}; -pub use ::image as image_rs; +/// A raster or vector image. +#[derive(Debug, Clone)] +pub enum Image { + /// A raster image. + Raster { + /// The handle of a raster image. + handle: image::Handle, + + /// The filter method of a raster image. + filter_method: image::FilterMethod, + + /// The bounds of the image. + bounds: Rectangle, + }, + /// A vector image. + Vector { + /// The handle of a vector image. + handle: svg::Handle, + + /// The [`Color`] filter + color: Option<Color>, + /// The bounds of the image. + bounds: Rectangle, + }, +} + +#[cfg(feature = "image")] /// Tries to load an image by its [`Handle`]. -pub fn load(handle: &Handle) -> image_rs::ImageResult<image_rs::DynamicImage> { +/// +/// [`Handle`]: image::Handle +pub fn load( + handle: &image::Handle, +) -> ::image::ImageResult<::image::DynamicImage> { + use bitflags::bitflags; + + bitflags! { + struct Operation: u8 { + const FLIP_HORIZONTALLY = 0b001; + const ROTATE_180 = 0b010; + const FLIP_DIAGONALLY = 0b100; + } + } + + impl Operation { + // Meaning of the returned value is described e.g. at: + // https://magnushoff.com/articles/jpeg-orientation/ + fn from_exif<R>(reader: &mut R) -> Result<Self, exif::Error> + where + R: std::io::BufRead + std::io::Seek, + { + let exif = exif::Reader::new().read_from_container(reader)?; + + Ok(exif + .get_field(exif::Tag::Orientation, exif::In::PRIMARY) + .and_then(|field| field.value.get_uint(0)) + .and_then(|value| u8::try_from(value).ok()) + .and_then(|value| Self::from_bits(value.saturating_sub(1))) + .unwrap_or_else(Self::empty)) + } + + fn perform( + self, + mut image: ::image::DynamicImage, + ) -> ::image::DynamicImage { + use ::image::imageops; + + if self.contains(Self::FLIP_DIAGONALLY) { + imageops::flip_vertical_in_place(&mut image); + } + + if self.contains(Self::ROTATE_180) { + imageops::rotate180_in_place(&mut image); + } + + if self.contains(Self::FLIP_HORIZONTALLY) { + imageops::flip_horizontal_in_place(&mut image); + } + + image + } + } + match handle.data() { - Data::Path(path) => { + image::Data::Path(path) => { let image = ::image::open(path)?; let operation = std::fs::File::open(path) @@ -19,7 +101,7 @@ pub fn load(handle: &Handle) -> image_rs::ImageResult<image_rs::DynamicImage> { Ok(operation.perform(image)) } - Data::Bytes(bytes) => { + image::Data::Bytes(bytes) => { let image = ::image::load_from_memory(bytes)?; let operation = Operation::from_exif(&mut std::io::Cursor::new(bytes)) @@ -28,68 +110,22 @@ pub fn load(handle: &Handle) -> image_rs::ImageResult<image_rs::DynamicImage> { Ok(operation.perform(image)) } - Data::Rgba { + image::Data::Rgba { width, height, pixels, } => { - if let Some(image) = image_rs::ImageBuffer::from_vec( - *width, - *height, - pixels.to_vec(), - ) { - Ok(image_rs::DynamicImage::ImageRgba8(image)) + if let Some(image) = + ::image::ImageBuffer::from_vec(*width, *height, pixels.to_vec()) + { + Ok(::image::DynamicImage::ImageRgba8(image)) } else { - Err(image_rs::error::ImageError::Limits( - image_rs::error::LimitError::from_kind( - image_rs::error::LimitErrorKind::DimensionError, + Err(::image::error::ImageError::Limits( + ::image::error::LimitError::from_kind( + ::image::error::LimitErrorKind::DimensionError, ), )) } } } } - -bitflags! { - struct Operation: u8 { - const FLIP_HORIZONTALLY = 0b001; - const ROTATE_180 = 0b010; - const FLIP_DIAGONALLY = 0b100; - } -} - -impl Operation { - // Meaning of the returned value is described e.g. at: - // https://magnushoff.com/articles/jpeg-orientation/ - fn from_exif<R>(reader: &mut R) -> Result<Self, exif::Error> - where - R: std::io::BufRead + std::io::Seek, - { - let exif = exif::Reader::new().read_from_container(reader)?; - - Ok(exif - .get_field(exif::Tag::Orientation, exif::In::PRIMARY) - .and_then(|field| field.value.get_uint(0)) - .and_then(|value| u8::try_from(value).ok()) - .and_then(|value| Self::from_bits(value.saturating_sub(1))) - .unwrap_or_else(Self::empty)) - } - - fn perform(self, mut image: image::DynamicImage) -> image::DynamicImage { - use image::imageops; - - if self.contains(Self::FLIP_DIAGONALLY) { - imageops::flip_vertical_in_place(&mut image); - } - - if self.contains(Self::ROTATE_180) { - imageops::rotate180_in_place(&mut image); - } - - if self.contains(Self::FLIP_HORIZONTALLY) { - imageops::flip_horizontal_in_place(&mut image); - } - - image - } -} diff --git a/graphics/src/lib.rs b/graphics/src/lib.rs index 18bfd981..b79ef70d 100644 --- a/graphics/src/lib.rs +++ b/graphics/src/lib.rs @@ -20,6 +20,7 @@ pub mod compositor; pub mod damage; pub mod error; pub mod gradient; +pub mod image; pub mod mesh; pub mod renderer; pub mod text; @@ -27,9 +28,6 @@ pub mod text; #[cfg(feature = "geometry")] pub mod geometry; -#[cfg(feature = "image")] -pub mod image; - pub use antialiasing::Antialiasing; pub use backend::Backend; pub use cached::Cached; @@ -37,10 +35,12 @@ pub use compositor::Compositor; pub use damage::Damage; pub use error::Error; pub use gradient::Gradient; +pub use image::Image; pub use mesh::Mesh; pub use primitive::Primitive; pub use renderer::Renderer; pub use settings::Settings; +pub use text::Text; pub use viewport::Viewport; pub use iced_core as core; diff --git a/graphics/src/mesh.rs b/graphics/src/mesh.rs index 20692b07..76602319 100644 --- a/graphics/src/mesh.rs +++ b/graphics/src/mesh.rs @@ -1,8 +1,7 @@ //! Draw triangles! use crate::color; -use crate::core::{Rectangle, Size}; +use crate::core::{Rectangle, Transformation}; use crate::gradient; -use crate::Damage; use bytemuck::{Pod, Zeroable}; @@ -14,29 +13,55 @@ pub enum Mesh { /// The vertices and indices of the mesh. buffers: Indexed<SolidVertex2D>, - /// The size of the drawable region of the mesh. - /// - /// Any geometry that falls out of this region will be clipped. - size: Size, + /// The [`Transformation`] for the vertices of the [`Mesh`]. + transformation: Transformation, + + /// The clip bounds of the [`Mesh`]. + clip_bounds: Rectangle, }, /// A mesh with a gradient. Gradient { /// The vertices and indices of the mesh. buffers: Indexed<GradientVertex2D>, - /// The size of the drawable region of the mesh. - /// - /// Any geometry that falls out of this region will be clipped. - size: Size, + /// The [`Transformation`] for the vertices of the [`Mesh`]. + transformation: Transformation, + + /// The clip bounds of the [`Mesh`]. + clip_bounds: Rectangle, }, } -impl Damage for Mesh { - fn bounds(&self) -> Rectangle { +impl Mesh { + /// Returns the indices of the [`Mesh`]. + pub fn indices(&self) -> &[u32] { + match self { + Self::Solid { buffers, .. } => &buffers.indices, + Self::Gradient { buffers, .. } => &buffers.indices, + } + } + + /// Returns the [`Transformation`] of the [`Mesh`]. + pub fn transformation(&self) -> Transformation { + match self { + Self::Solid { transformation, .. } + | Self::Gradient { transformation, .. } => *transformation, + } + } + + /// Returns the clip bounds of the [`Mesh`]. + pub fn clip_bounds(&self) -> Rectangle { match self { - Self::Solid { size, .. } | Self::Gradient { size, .. } => { - Rectangle::with_size(*size) + Self::Solid { + clip_bounds, + transformation, + .. } + | Self::Gradient { + clip_bounds, + transformation, + .. + } => *clip_bounds * *transformation, } } } @@ -75,6 +100,47 @@ pub struct GradientVertex2D { pub gradient: gradient::Packed, } +/// The result of counting the attributes of a set of meshes. +#[derive(Debug, Clone, Copy, Default)] +pub struct AttributeCount { + /// The total amount of solid vertices. + pub solid_vertices: usize, + + /// The total amount of solid meshes. + pub solids: usize, + + /// The total amount of gradient vertices. + pub gradient_vertices: usize, + + /// The total amount of gradient meshes. + pub gradients: usize, + + /// The total amount of indices. + pub indices: usize, +} + +/// Returns the number of total vertices & total indices of all [`Mesh`]es. +pub fn attribute_count_of(meshes: &[Mesh]) -> AttributeCount { + meshes + .iter() + .fold(AttributeCount::default(), |mut count, mesh| { + match mesh { + Mesh::Solid { buffers, .. } => { + count.solids += 1; + count.solid_vertices += buffers.vertices.len(); + count.indices += buffers.indices.len(); + } + Mesh::Gradient { buffers, .. } => { + count.gradients += 1; + count.gradient_vertices += buffers.vertices.len(); + count.indices += buffers.indices.len(); + } + } + + count + }) +} + /// A renderer capable of drawing a [`Mesh`]. pub trait Renderer { /// Draws the given [`Mesh`]. diff --git a/graphics/src/renderer.rs b/graphics/src/renderer.rs index fb1a0d73..d4f91dab 100644 --- a/graphics/src/renderer.rs +++ b/graphics/src/renderer.rs @@ -62,7 +62,7 @@ impl<B: Backend> Renderer<B> { } impl<B: Backend> iced_core::Renderer for Renderer<B> { - fn start_layer(&mut self) { + fn start_layer(&mut self, _bounds: Rectangle) { self.stack.push(std::mem::take(&mut self.primitives)); } @@ -75,7 +75,7 @@ impl<B: Backend> iced_core::Renderer for Renderer<B> { self.primitives.push(Primitive::group(layer).clip(bounds)); } - fn start_transformation(&mut self) { + fn start_transformation(&mut self, _transformation: Transformation) { self.stack.push(std::mem::take(&mut self.primitives)); } diff --git a/graphics/src/text.rs b/graphics/src/text.rs index 0310ead7..f9fc1fec 100644 --- a/graphics/src/text.rs +++ b/graphics/src/text.rs @@ -9,14 +9,67 @@ pub use paragraph::Paragraph; pub use cosmic_text; +use crate::core::alignment; use crate::core::font::{self, Font}; use crate::core::text::Shaping; -use crate::core::{Color, Point, Rectangle, Size}; +use crate::core::{Color, Pixels, Point, Rectangle, Size, Transformation}; use once_cell::sync::OnceCell; use std::borrow::Cow; use std::sync::{Arc, RwLock, Weak}; +/// A text primitive. +#[derive(Debug, Clone)] +pub enum Text { + /// A paragraph. + #[allow(missing_docs)] + Paragraph { + paragraph: paragraph::Weak, + position: Point, + color: Color, + clip_bounds: Rectangle, + transformation: Transformation, + }, + /// An editor. + #[allow(missing_docs)] + Editor { + editor: editor::Weak, + position: Point, + color: Color, + clip_bounds: Rectangle, + transformation: Transformation, + }, + /// Some cached text. + Cached { + /// The contents of the text. + content: String, + /// The bounds of the text. + bounds: Rectangle, + /// The color of the text. + color: Color, + /// The size of the text in logical pixels. + size: Pixels, + /// The line height of the text. + line_height: Pixels, + /// The font of the text. + font: Font, + /// The horizontal alignment of the text. + horizontal_alignment: alignment::Horizontal, + /// The vertical alignment of the text. + vertical_alignment: alignment::Vertical, + /// The shaping strategy of the text. + shaping: Shaping, + /// The clip bounds of the text. + clip_bounds: Rectangle, + }, + /// Some raw text. + #[allow(missing_docs)] + Raw { + raw: Raw, + transformation: Transformation, + }, +} + /// The regular variant of the [Fira Sans] font. /// /// It is loaded as part of the default fonts in Wasm builds. |