This is the first official release!

General Information

Version 0.1.0 was before the project was restructured to which it is today. In this version, there are a couple notable features:

1. HTML is parsed into a reference-counted DOM
2. Basic CSS parser
3. Simple CSS selector matcher, only <simple selector>
4. Style collection & cascading
5. @media query support for screen and all types
6. Text & whitespace transformations
7. User Agent style sheet
8. Internal Fetch API implementation
9. Remote & local document & resource fetch
10. Window resize is acted upon
11. Logging using the log crate
12. Window title is based upon the <title> element or the URL
13. A simple DOM inspector with F12
14. Basic CSS box-model
15. Shortcuts like Ctrl+W, F5, F12
16. Extensive Font API
17. Text hints (e.g. ligatures, CJK character forms)
18. Text shaping using harfbuzz
19. Still bitmap image support (JPG, PNG, BMP, WebP, etc.)
20. Animated GIF support
21. HTML <img> element support
22. CSS background-image support (non-gradients)
23. Basic compositor with parallel tiles of 256x256
24. Ctrl+V to paste a URL to open
25. Scrolling support
26. Parallelized glyph rasterization
27. Improved text anti-aliasing
28. Non-colored emoji support
29. text-decoration support
30. And a lot of performance improvements!

Changes

• [deps] Update dependencies
• [page] Accept continuous task messages when no timeout expired
• [page] Document the DirtyState mechanism
• [gfx+page] Remove redundant debug messages
• [app] Count FPS for paint-heavy scenario's
• [page] Time scroll responsiveness
• [app] Fix incorrect App creation
• [page] Animate through each frame of GIFs
• [dom+gfx+page] Generate textures from GIF frames
• [dom] Special support for decoding GIF animated images
• [ci] Add GitHub Pages link for Rustdoc
• [app+page] Show backtrace of page crash in Window
• [app] Show a crash screen when the pages crashes, instead of halting
• [compositor] Ensure bottommost text fragments are continued on a vertical tile boundary
• [layout] Support emoji text fragments
• [font] Debug FontDescriptor with FontHandle
• [font] Add FamilyName::Emoji
• [layout] Remove fast path of anonymous layout algorithm
• [page] Reduce maximum delay between paints
• [compositor] Recall staging belt after awaiting SubmissionFuture
• [compositor] Enable wgpu tracing/profiling
• [compositor] Ensure composition of the last tiles are submitted correctly
• [font] Improve glyph rendering by eliminating double AA
• [compositor] Remove dependency on retina-gfx-font-backend-font-kit
• [gfx+font] Move font descriptors and hints back to retina-gfx-font!
• [font] Move the font rendering code to a separate crate
• [gfx] Decouple font-kit backend from the main crate
• [layout] Hot fix crash in subtendril'ing
• [font] Reduce locking overhead for FontKitFont and GlyphAtlas
• [font] Add instrumentation to backend font implementation
• [compositor] Allow tracing of composition cycles
• [gfx] Cull textured rects outside the viewport
• [compositor] Cull out tile-non-intersecting text fragments
• [compositor] Fix some clippy hints
• [compositor] Use stdlib's thread scope instead of crossbeam's
• [compositor] Hide most messages behind trace log level
• [compositor] Re-enable background color filling
• [compositor] Clear the tile's background a normal color
• [compositor] Document the publicly accessible API
• [compositor] Don't request a composition cycle when the tile was cached
• [compositor] Delay waiting on submit until next composite cycle
• [compositor] Keep bottom tiles in cache when scrolling up
• [page] Don't resubmit the composited page
• [compositor] Merge paint and composite into one
• [gfx] Rename common log message to clear up confusion
• [compositor] Composite tiles in parallel
• [compositor] Composite immediately when a tile is ready
• [compositor] Debug the times taken per tile
• [compositor] Only paint tiles that intersect the viewport
• [compositor] Paint tiles according to the viewport's vertical position
• [compositor] Use a tile-based system for rendering the screen
• [font] Prepare basic latin by also including the U+0020 SPACE glyph
• [ua] Update test according to the CSS parsing improvements!
• [gfx] Trace bind & draw commands
• [gfx] Create a sampler once per texture renderer
• [gfx-font] Prepare renderer once per text run
• [gfx] Instrument more functions
• [style] Support compound p.blue#main selectors!
• [style] Move simple selector matching to a separate function
• [style+page] Load correct fonts using the given font-weight
• [font] Better propagate succes status for font loading
• [gfx+style] Support font-variant-position
• [gfx] Support East Asian glyph substitution
• [style] Support font-variant-east-asian
• [dom+i18n+layout] Support text-transform CSS property
• [style] Support text-transform
• [compositor] Support text-decoration: line-through and overline
• [style-parser] Support font-weight
• [compositor] Support basic text-decoration properties
• [font] Add accessors for baseline, underline offset+thickness
• [style] Add text-decoration properties
• [layout] Remove old debug logging
• [common+layout] Fix crash for multi-byte character index
• [woff] Start working on an WOFF(2) decompressor
• [layout] Translate font-variant-caps to gfx-font format
• [gfx-font] Support capital letter font hints
• [style] Support font-variant-caps
• [page] Add a CSS missing font loading mechanism
• [gfx] Font description should be Hash and Eq
• [gfx-font] Add FontProvider::load_from_system() API
• [page] Fix page task message timeout system
• [page] Generalize style resource loading into a separate function
• [gfx-font] Don't load fonts in the background if they don't exist
• [style] Support font-kerning and font-variant-ligatures
• [gfx-font] Add ability to change ligatures & kerning hints
• [gfx+font+gui] Remove wgpu_glyph dependency
• [gfx-font] Diverge path for grayscale or anti-aliasing
• [gfx-font] Remove old ascent per glyph from the font
• [gfx-font] Tidy up glyph_iter
• [gfx] Use HarfBuzz offsets & advances instead of the defaults
• [gfx-font] Fix baseline correction in text painting
• [gfx-font] Fix font height calculation
• [gfx-font] Use HarfBuzz for text shaping
• [gfx-font] Use the font size for atlas cache matching
• [gfx-font] Calculate alpha channel based on avg glyph mask
• [gfx-font] Use alpha blending for glyph painting
• [gfx] Allow color blending in TextureMaterialRenderer
• [gfx-font] Paint using the text color supplied
• [gfx] Give TextureMaterialRenderer better debug WebGPU labels
• [gfx] Fix incorrect resource reference in paint_rect_textured_with
• [gfx] Give texture paint resources a better name
• [gfx-font] Implement glyph position correctly
• [gfx-font] Chore: clean-up font_kit backend glue
• [gfx-font] Re-enable parallelized glyph rasterization
• [gfx-font] Remove debug abort in Glyph loading
• [gfx] Make paint_rect_textured extensible
• [gfx] Streamline material rendering code
• [gfx-font] Custom text rendering with font_kit glyph rasterization
• [gfx+font] Abstract Font painting
• [gfx-font] Rename Font to WgpuFont
• [svg] Start working on an SVG implementation
• [gfx] Don't emit scroll events if the cursor is outside the window
• [fetch] Special path for local page URL parsing
• [layout] Use serif font as the default
• [style] Support <body> presentational hints
• [ci] Install XCB package on Linux for clipboard to work
• [app] Use copypasta instead of clipboard
• [ua] Update stylesheet test because of CSS parser improvements
• [app+page] Open a website using an URL of the clipboard (Control+V)
• [app+page] Add keybind F6 to dump the style sheets
• [page] Set the URL as the title on (re)load
• [style-comp] Support pseudo selector specificity
• [gfx-font] Move FontKitAbGlyphFontBridge::new() outside the Windows cfg
• [style-comp] Support pseudo selector matching for links and empty elements
• [style] Support parsing pseudo class selectors
• [gfx] Fix incorrect text color
• [layout] Add struct ActualValues
• [layout] Pass the IFC state to the LayoutBox::run_layout() function
• [layout] Describe crash (panic) for subtendril errors in line box fragmentation
• [style-parser] Support currentColor
• [style-parser] Extract color parsing into a separate function
• [layout+compositor] Support CSS currentColor
• [gfx-font] Begin working on font-kit rendering support
• [style] Support margin-block and margin-inline properties
• [style] Parse <body> presentational background and text hints
• [layout] Run special path (replaced) for <img> elements
• [page] Don't crash on a network error in Fetch
• [page] Follow redirect URLs in HTTP responses
• [fetch] Add redirect URL getter for Response
• [page] Scroll to top on page (re)load
• [page] Warn if there isn't a layout root when calling paint()
• [page] Always clean dirty state before entering command/task loop
• [common] Remove failing example of StrExt::index_of_substring()
• [page] Queue relayout, repaint, etc. by keeping track of the dirty state
• [app] Map keys to PageUp, PageDown, Home, End
• [page] Add actions Page{Up,Down} and ScrollTo{Bottom,Top} (Home & End)
• [page] Construct the scroller with the initial viewport size
• [page] Ensure scroll position isn't negative
• [layout] Implement the line box fragment algorithm!
• [layout] Block formatting context: calculate the width of the container
• [compositor] Draw the LineBoxFragments instead of the whole text
• [layout] Add a base constructor for FormattingContext
• [layout] Add the LineBoxFragment vector to LayoutBox
• [layout] Add the LineBoxFragment type
• [gfx-font] Calculate the width of the U+0020 space character beforehand
• [layout] Dimensions: add utilities for the combined edges
• [common] Add some substring utilities
• [common] Add str::index_of_substring()
• [gfx] Don't bound the text painting to the canvas size
• [style-comp] Inherited props should be applied cascaded before rule declarations
• [style-comp] Font properties should be inherited
• [layout] Fix CSS to ab_glyph font weight mapping
• [page] Remove the debug log of the stylesheets
• [gfx+page] Add scrolling input events and move viewport
• [page] Add Scroller construct
• [gfx] Add viewport position API
• [style-comp] Computate @media rules
• [style-parser] Parse simple @media {screen,print,all} rules
• [style] Add @media rules
• [page] Generate textures for loaded background-images
• [compositor] Draw background-images
• [layout] Load background-images
• [style] Add the background-image property
• [style] Support CSS <image> values
• [fetch] Handle unknown schemes
• [fetch] Extract the HTTP-version out of the public fetch API
• [compositor] Render the images of elements
• [page] Load sources after the HTML was parsed
• [dom] : Add data_ref() API to get the ImageData as reference
• [gfx] Create texture view at Texture creation
• [fetch] Fetch local non-document files
• [fetch] Prevent panic on Request building
• [layout] Default background color of the page should be white
• [gfx] Add the Texture API for uploading textures
• [gfx] Add Context accessor to the CanvasPaintingContext
• [dom] Extend APIs of ImageData
• [dom] Accessor for the image data directly, instead of the APIs
• [dom] Add helper to recurse children with the Node handle
• [media-type] Fix media type sniffing not rewinding the seek buffer
• [dom] Add <img> element and image loading algorithm
• [fetch] Add Content-Type (MIME) getter to Response
• [media-type] Add image media type sniffer
• [fetch] Fix url of the request initiator
• [gfx] Include win32 module
• [gfx] Introduce a GUI system interface
• [gfx] Rewrite painter to streamline canvas & window rendering
• [gfx] Render textured rects using the actual given rect
• [gfx] Fix textured vertices for matrix transform
• [gfx] Store viewport size in render pass
• [gfx] Remove clear color debug log
• [gfx] Move transformation math to a math module
• [deps] Update dependencies
• [ci] Use [rust-cache](https://github.com/Swatinem/rust-cache)
• [compositor+gfx+layout] Skip painting layout boxes outside the viewport
• [dom+layout] Make nodes implement PartialEq
• [gfx+page] Make submitting async for completion
• [gfx+layout+page] Use bg color of <html> as canvas clear color
• [docs] Add page that tracks the environment variables that are used
• [compositor+gfx] Trace compositor calls into a chrome://tracing format
• [gitignore] Ignore trace JSON files
• [deps] Add tracing dependencies & tracing feature flag for wgpu
• [retina] Update default env log filters
• [gfx] Prevent triple resize event when the window opens
• [gfx] Don't submit every draw call
• [page] Print warning when layout paint takes more than 200ms
• [page+layout] Don't regenerate layout tree on resize
• [retina-style] Parse float property & value
• [style-*] Cascade HTML style attributes
• [user-agent] Fix the failing UA stylesheet test
• [layout] Remove anonymous layout debug info!
• [gfx] Make window resizable
• [layout] IFC: Specify the origin of line boxes based on previous ones
• [layout] Use LineBoxes in the Inline Formatting Context
• [layout] Correctly wrap whitespace
• [layout] Pass the base FC to the child layout
• [layout] Add shared base for BFC and IFC
• [gfx-font] Size calculation should use 1.5x multiplier
• [layout] Start implementing the IFC
• [style-comp] The initial value of display must be inline
• [ua] Add more styles for phrasing content to the UASS
• [layout] BorderStyle of None should discard border-width
• [layout] Fix box internal calculation bugs
• [layout] Start implementing the BFC
• [gfx+layout] Find font based on the CSS computed style
• [style] Parse & resolve font-* properties
• [style-comp] font-size should be inheritable
• [gfx] Multiply the CSS font size with 1.5x
• [gfx] Fix text color bug
• [cargo] Update dependencies
• [gfx+layout+page] Paint text using the provided CSS font
• [compositor+gfx] Paint the text of layout nodes
• [page] Initialize a BrowsingContext after page load
• [scripting] Add scripting & platform object crates
• [gfx-font] Implement APIs for loading and retrieving fonts
• [gfx] Sketch out gfx-font crate
• [layout] Use content box instead of padding box for child boxes layout
• [compositor] Use padding properties for border placement
• [layout] Calculate padding box edges
• [style+comp] Parse padding declarations
• [compositor+layout] Correctly paint background
• [style-comp] Fix bug with margin shorthand
• [app+page] Reload page with the F5 key
• [retina+page] Dump layout tree with key F1
• [ci] continue-on-error: true for Rust channel fallbacks
• [style-parser] Refactor code for cssparser version upgrade
• [cargo] Update dependencies
• [ci] Use toolchain fallbacks if nightly channel is unavailable
• [compositor+layout] Use margin with layout calculation
• [style] Parse margin properties
• [compositor] Paint borders of layout nodes
• [gfx] Fix incorrect position and size of painting a colored rect
• [layout+style] Calculate border sizes with content size
• [style] Parse border properties
• [layout] Correctly compute CSS <length>s
• [page] Regenerate layout tree on canvas resize
• [style] Parse percentage (25.5%) values
• [style] Parse vh and vw units
• [style] Parse em and rem units
• [style] Parse font-size properties
• [page] Load <link rel="stylesheet"> stylesheets
• [fetch] Add url and new APIs for Request
• [dom] Support <link> elements and their rel attributes
• [style-parser] Don't panic on unknown color values
• [dom] Implement Sync for Node and NodeKind
• [everywhere] Use atomic StrTendril
• [docs] Add license and CI badges
• [docs] Fix README crate link
• [docs] Add README with an introduction to the project
• [docs] Add Apache 2.0 license
• [node] Use atomic RwLock instead of sync RefCell
• [dom] Use atomic reference counting for Node handles
• [page] Introduce the PageTaskMessage pipeline
• [debug] Include attributes with elements
• [dom] Implement Display for AttributeList
• [compositor] Fix incorrect height of content
• [style-computation] Implement selector specificity
• [layout] Don't warn on display: none
• [dom] Decouple the Rc'ness of NodeKind
• [dom] Rename Node to NodeInterface
• [dom] Add & parse the Comment node
• [dom] Subclass CharacterData for Text
• [debug] Fix compile error for cfg! if statement
• [debug+gfx+page] Add a simple Win32 DOM tree viewer
• [main+gfx+page] Move to event-based window architecture
• [dom] Fix broken concatenation of adjacent Text nodes
• [fetch] Support file:// document URLs
• [fetch+page] Load pages using the new fetch crate
• [page] Paint canvas' background as specified by HTML
• [gfx+compositor] Paint colored rect with actual rect dimensions
• [compositor+gfx] Render background colors
• [dom] Combine adjacent text nodes
• [retina] Set page URL to the window title
• [style-parser] Move style parsing to a separate crate
• Merge remote-tracking branch 'origin/fetch'
• [style] Improve declaration parsing
• [layout] Update generation for new CssDisplay types
• [style+more] Replace custom color parsing with cssparser
• [fetch] Introduce Fetch API crate
• [layout+style] Add formatting contexts and pseudo elements
• Merge branch 'main' of github.com:usadson/retina
• [style] Parse <length> values
• [style-comp] Add width and height computed properties
• [retina] Delete old files
• [gfx] Use log crate for logging
• [layout] Use log crate for logging
• [gfx] Use log crate for logging
• [retina] Use log crate for logging
• [page] Use log crate for logging
• [gfx+page] Handle resizing of the window/surface
• [style] Parse display as <display-inside> and <display-outside>
• [style] Parse attribute selectors
• [style] Parse #id and .class selectors
• [style+comp] Add #id, .class and [attr] selectors
• [dom] Add missing utilities for NodeKind and AttributeList
• [page] Dump stylesheets after they've been parsed
• [style] Warn on parse error and empty declarations
• [user agent] Extend the stylesheet to hide
• [ci] Use Rust nightly for compilation
• [user agent] Move the about: pages to retina-user-agent
• [main] Default log level to warn on debug builds
• [dom] Warn about quirks mode & parse errors
• [dom] Store parsed attributes and display on dump
• [dom] Separate element creation by following the spec.
• [dom] Implement DumpableNode for NodeKind
• [layout] Implement DumpableNode for LayoutBox
• [common] Add DumpableNode trait for dumping node-trees
• [layout] Introduce LineBox type of inline boxes
• [layout] Fix generated layout box kinds
• [user-agent] Add User Agent stylesheet
• [layout+dom] Improve DOM tag in layout dump
• [style] Add type selectors (e.g. h1, p)
• [layout] Add dumping mechanism
• [layout] Append child layout boxes to LayoutBox::children
• [layout] Correction: initial containing block is parent of element
• [layout+more] Add box dimensions to the Box
• [style] Add background-color property
• [compositor] Introduce the concept of the compositor
• [gfx+page] Add Canvas to draw the page to
• [page] Add basic Page infrastructure
• [test/html] Add simple <br> line break test
• [layout] Pass parent node to layout generator
• [dom] Add mutable children getter for ParentNode
• [style-comp] Inherit properties after cascading
• [style] Add white-space property
• [style] Add white-space value kind
• [dom] Use Tendril instead of String for text nodes
• [layout] Sketch out basic Box structure
• [style] Add display property
• [style-comp] Replace ComputedStyle with PropertyMap
• [style] Add Rule::At for @rules
• [style-comp] Cascade collected styles
• [style] Associate CascadeOrigin with StyleRule
• [style] Introduce cascade origin
• [style-comp] Add style collector
• [style-comp] Add selector matcher
• [style] Add CSS parser
• [gfx] Move Color to retina-common crate
• [dom] Use test in test/html as input
• [dom] Add simple DOM component
• [gfx] Handle keyboard events (e.g. Ctrl+W)
• [gfx] Separate components into different structures
• [gfx] Add initial data and code for graphics
• [retina] Initialize env_logger
• [everywhere] Restructure directories