Changelog

Source: NEWS.md

ragg 1.5.02025-09-02

  • Fix gradient rendering bug introduced by trying to fix #177 (#192)
  • Add support for WebP output, both static and animated (#190, @klausbrunner)

ragg 1.4.02025-04-10

  • Added agg_record() for optimised plot recording
  • Added support for hold and flushing, mainly in service of Positron
  • Added support for saturate composition operator
  • Sanitise file name before plotting (#176)
  • Tiff files can now include unicode characters on all platforms (#87)

ragg 1.3.32024-09-11

  • Fixed a regression from upstream changes in Freetype (#172)

ragg 1.3.22024-05-15

  • Fix a bug in how groups are defined and recalled

ragg 1.3.12024-05-06

  • Make sure the linejoin/linemitre setting is honored when drawing rectangles (#162)
  • Fix a bug with resetting clipping during group and pattern rendering
  • Fix scaling of raster glyphs in drawGlyph

ragg 1.3.02024-03-13

  • Added supported for new graphics enigine features: Groups, paths, luminance masks, and glyphs
  • Add a switch (defaults to on) to snapping rectangles to the pixel grid when they are only drawn with fill (no stroke)
  • Fixed a bug causing repeated warnings when using a font at 0 size (#130)
  • Silence a bug in clang-ASAN that incorrectly reported sanitiser issues

ragg 1.2.72023-12-11

  • Fix a stack imbalance bug

ragg 1.2.62023-10-10

ragg 1.2.52023-01-12

  • Fix a bug when rendering glyphs from a colour font that also provide greyscale glyphs (#105)
  • Move sprintf() to snprintf() in the AGG source code to comply with Arm64 deprecation
  • Better guard against bad input (#116)

ragg 1.2.42022-10-24

  • Fixed a regression that turned off line mitre support (#119)

ragg 1.2.32022-09-29

  • Second attempt at rendering jpegs with transparent background. Now, the buffer is filled with solid white before any drawing happens.
  • Fixed a bug that resulted in newlines being rendered as missing glyphs on some Linux versions (#111)

ragg 1.2.22022-02-21

  • MacOS: configure script now uses the local system dependencies provided by CRAN via pkg-config. Autobrew libs are used as fallback on non-cran servers only.

ragg 1.2.12021-12-06

  • Fix bug that caused R to crash when writing tiff files with transparent background (#97)

ragg 1.2.02021-10-30

  • Add support for new graphic engine features:
    • Arbitrary clipping paths
    • Alpha masks
    • Linear and radial gradients
    • Tiling patterns
  • Use white as background when passing in a fully transparent background colour to devices that doesn’t support alpha (notably jpeg) (#91)
  • ragg now defers symbol font resolving to systemfonts which makes it possible to register alternative symbol fonts using register_font() (#90)
  • Filenames in UTF-8 are now treated correctly on Windows (#87)
  • Fix size selection of non-scalable fonts when the requested size is bigger than the available

ragg 1.1.32021-06-09

  • Use int32_t instead of int32 in old code
  • Prepare for UCRT
  • Better error message when failing to allocate memory for the buffer (#82)
  • Increase storage size limits for paths (#80)

ragg 1.1.22021-03-17

  • Fix bug in agg_capture() that resulted in premultiplied colour values being returned

ragg 1.1.12021-02-25

  • Fix a bug in glyph dimension lookup that could cause system crashes
  • Fix bug in font caching when multiple ragg devices are used simultaneously

ragg 1.1.02021-02-15

  • Major version release to signify the much improved text support that includes full support for right-to-left scripts and bidirectional text (mix of RtL and LtR scripts). It further adds full support for OpenType features and non-scalable fonts.
  • Re-exporting register_font(), register_variant(), and font_feature() from systemfonts
  • Re-exporting get_font_features() from textshaping
  • Use new textshaping API and handle font fallback correctly
  • Add support for rendering colour fonts (#1)

ragg 0.4.12021-01-11

  • Skip text tests on CRAN as no text is plottet on the CRAN solaris machine
  • Fixed a bug resulting in system crash on certain systems, as well as clang-ASAN error. (#59)

ragg 0.4.02020-10-05

  • ragg now requires the Harfbuzz and Fribidi libraries to be available when installing from source due to their dependency in the textshaping package.
  • Move text shaping to the new textshaping package.
  • Fix agg_capture() on big endian systems (#49, @QuLogic)
  • Fix use of symbol font on Windows by moving to Segoe UI Symbol which has a Unicode charmap (#51)
  • Better compatibility with knitr and ggplot2::ggsave()

ragg 0.3.12020-07-03

  • Roll back support for new clipping options in the graphic engine as it was buggy.

ragg 0.3.02020-06-24

  • Fix a bug when plotting partially transparent raster (#44)
  • Add a scaling argument to all devices allowing you to change relative scaling of output.
  • Horizontal and vertical text are now snapped to the pixel grid in order to improve rendering quality.
  • Internal changes to prepare for coming updates to the graphic engine

ragg 0.2.02020-05-14

  • Fix compilation on R <= 3.3 by including Rdynload.h explicitly
  • Fix a performance regression when plotting text (#33)
  • Fix erroneous width calculations of strings starting with a space on windows (#32)
  • Fix a bug in agg_capture() where the output became mangled if device height != width
  • Fix a bug in raster support where raster data did not get premultiplied before rendering (#38, @yixuan)
  • Fix an integer overflow issue in the AGG source code

ragg 0.1.52020-03-04

  • Fix compilation on macOS

ragg 0.1.42020-02-25

  • Fix a bug in AGG’s font manager that ignored the font index when it stored and retrieved cached faces

ragg 0.1.32019-08-28

  • Fix bug preventing ragg from displaying 50% transparent black
  • Another attempt at fixing compilation on mac build machines

ragg 0.1.22019-07-30

  • Fix compilation on certain Linux systems by preferring dynamic libraries over static ones (#25, @jimhester).

ragg 0.1.12019-07-29

  • Avoid a bug when the call to start a device included too many characters (#16)
  • Fix integer overflow runtime errors in agg source code (agg_scanline_storage_aa.h), by changing storage to long
  • Remove benchmarking vignettes as it was causing too much trouble on stripped down systems… They are still available on https://ragg.r-lib.org
  • Better build setup to properly build on all macOS systems

ragg 0.1.02019-07-15

  • Basic setup of package. png, tiff, ppm, and buffer capture support
  • Added a NEWS.md file to track changes to the package.