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Changelog

2.4.4

Fixed

2.4.3

Fixed

  • Bitmap/aliased font glyphs being mirrored on big-endian architectures.
  • Color font glyphs having wrong colors on big-endian architectures.
  • Crash when destroying a font that failed to load (typically happens when there are no fonts available at all).

2.4.2

Fixed

  • Rare crash when one thread was doing a glyph cache lookup, while another was resizing the cache.

2.4.1

Changed

  • Log messages are now printed to stderr instead of stdout.
  • fcft_grapheme_rasterize() now sets a minimum grapheme column count of 2 when the cluster ends with an Emoji variant selector (codepoint 0xFE0F).

Fixed

  • Compilation error when fallback definition for FCFT_EXPORT was used in meson.build.

Contributors

2.4.0

Added

  • Example program. Very simple bare bones Wayland program that renders a user provided string with user configurable fonts and colors. No proper error checking etc. To build, configure meson with -Dexamples=true.
  • fcft_log_init(). This function enables, and configures logging in fcft.
  • fcft_text_run_rasterize(): new API that uses HarfBuzz to shape a text run (i.e. a whole string). Note that HarfBuzz is (still) an optional dependency, see README.
  • fcft_text_run_destroy(): new API that frees a rasterized text-run.
  • FCFT_CAPABILITY_TEXT_RUN_SHAPING added to fcft_capabilities().
  • antialias and subpixel members to struct fcft_font.

Changed

  • fcft logging must now be enabled explicitly (see fcft_log_init()).
  • Internal logging functions are no longer exported by the shared library.
  • The pixel size passed from FontConfig to FreeType is now rounded instead of truncated (https://codeberg.org/dnkl/foot/issues/456).

Fixed

  • Internal logging functions have been renamed, from generic log_* names to fcft specific fcft_log_ names.
  • Apply pixel-size fixup to glyphs’ advance width/height, but only if we estimated the fixup ourselves (otherwise the advance width/height is already scaled).

2.3.3

Fixed

  • Cloned fonts not being properly freed in library destructor.

2.3.2

Added

  • Limited support for "fontfeatures" . fcft is still not a layout engine, but with this we can support e.g. stylistic sets (HarfBuzz-enabled builds only).

Deprecated

  • tags argument in fcft_grapheme_rasterize(). It is now being ignored, and will be removed in a future release.

Fixed

Contributors

2.3.1

Fixed

  • fcft_grapheme_rasterize() now makes use of the optional tags. These were previously ignored.
  • Compilation error when text shaping was disabled.

2.3.0

Added

  • fcft_set_scaling_filter(): new API that lets the calling application configure the filter to use when downscaling bitmap fonts (https://codeberg.org/dnkl/fcft/issues/9).
  • fcft_grapheme_rasterize(): new API that uses HarfBuzz to shape a grapheme cluster. Note that HarfBuzz is an optional dependency, see README.

Changed

2.2.7

Changed

  • Use lanczos3 filtering when downscaling bitmap fonts. This improves the quality of e.g. color emoji fonts.

Fixed

  • Compilation with -pedantic

2.2.6

Fixed

  • Set LCD filter. This fixes severe color fringes when FreeType has been built with FT_CONFIG_OPTION_SUBPIXEL_RENDERING (i.e. the old ClearType-style subpixel rendering, instead of the newer Harmony LCD rendering).

2.2.5

Changed

  • fcft_glyph_rasterize(): improved performance in threaded applications by guarding the glyph cache with an rwlock instead of a mutex.

Fixed

  • fcft now checks for memory allocation failures.
  • Compilation errors in 32-bit builds.

2.2.4

Added

  • Unicode license file, for UnicodeData.txt

2.2.3

Added

Fixed

  • Assertion in debug builds when resizing the glyph cache

2.2.2

Fixed

  • fcft_kerning() was not threadsafe
  • Rare crash in fcft_glyph_rasterize() caused by a race between a successful glyph cache lookup and a glyph cache resize.

2.2.1

Changed

  • Color bitmap glyphs with a pixel-size fixup factor other than 1.0 are now pre-scaled. Previously, fcft would only set a pixman scale transform on the glyph, causing actual scaling to occur every time the glyph was blended. This improves the performance when rendering color emojis.

2.2.0

Changed

  • Internal representation of the primary and fallback fonts.
  • Do not load a fallback font if it does not contain the requested glyph.

Deprecated

  • fcft_size_adjust()

2.1.3

Fixed

  • Advance width and height of scaled bitmap fonts.

2.1.2

Changed

  • Glyph cache now resizes dynamically. This fixes a performance problem when loading a lot of glyphs, as we ended up scanning very long lists when looking up a glyph in the cache.

2.1.1

Changed

  • Prefer user-provided charset. This can be used to e.g. limit a fallback font's usage to a custom Unicode point range.

Fixed

  • LCD RGB/BGR modes were reversed.

2.1.0

Added

  • When looking for a glyph in the fallback fonts, don't discard (destroy/unload) the fonts that did not contain the glyph. This improves performance massively when loading lots of glyphs that does not exist in the primary font, or in the first fallback font(s).
  • Synthetic bold and italics (FontConfig's embolden and matrix properties).
  • fcft_precompose() - combines a base- and a combining wide character into a single pre-composed character.

Changed

  • fcft_from_name() and fcft_size_adjust() no longer calls setlocale() to set a suitable locale for FcParseName(), as this was not thread safe. The caller is responsible for ensuring LC_NUMERICAL is set to a locale that correctly recognizes x.y decimal values.

Fixed

  • fcft_from_name() was not thread safe
  • fcft_clone() was not thread safe
  • fcft_size_adjust() was not thread safe
  • fcft_destroy was not thread safe

2.0.0

Changed

  • API: font_ prefix changed to fcft_.
  • API: renamed struct font to struct fcft_font.
  • API: renamed struct glyph to struct fcft_glyph.
  • API: internal members of struct fcft_glyph removed.
  • API: renamed enum subpixel_order to enum fcft_subpixel, and ORDER was removed from the enum values.
  • API: renamed fcft_glyph.x_advance to fcft_glyph.advance.x, and added fcft_glyph.advance.y
  • API: renamed fcft_font.max_x_advance to fcft_font.max_advance.x and added fcft_font.max_advance.y.
  • API: renamed fcft_font.space_x_advance to fcft_font.space_advance.x and added fcft_font.space_advance.y.
  • API: renamed fcft_glyph_for_wc() to fcft_glyph_rasterize().
  • Require meson >= 0.54.
  • Use meson.override_dependency().

Fixed

  • fcft_kerning() did not scale the returned kerning distances with the font's pixel size fixup multiplier.

1.1.7

Fixed

  • LCD RGB/BGR modes were reversed