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ragg (development version)

ragg 1.5.1

  • Fix support for the default symbol font on many linux distros (StandardSymbolPS) by ensuring proper fallback during character metric calculation (#136, #201)
  • agg_capture() now reports the current "page number" as well as whether any drawing has occured since the last time the capture was taken as attributes in the return value (but only if you request native raster) (#204)
  • Avoid compile time warnings from implicit casting during enum arithmetic
  • agg_capture() and agg_record() no longer advance the RNG (#212)

ragg 1.5.0

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

ragg 1.4.0

  • 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 1.3.3

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

ragg 1.3.2

  • Fix a bug in how groups are defined and recalled

ragg 1.3.1

  • 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 1.3.0

  • 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 1.2.7

  • Fix a stack imbalance bug

ragg 1.2.6

  • Fix symbol rendering bug on windows (#132)
  • Add support for dev.capabilities() (#105)
  • Prepare for Arm Windows

ragg 1.2.5

  • 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 1.2.4

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

ragg 1.2.3

  • 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 1.2.2

  • 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 1.2.1

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

ragg 1.2.0

  • 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 1.1.3

  • 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 1.1.2

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

ragg 1.1.1

  • 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 1.1.0

  • 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 0.4.1

  • 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 0.4.0

  • 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 0.3.1

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

ragg 0.3.0

  • 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 0.2.0

  • 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 0.1.5

  • Fix compilation on macOS

ragg 0.1.4

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

ragg 0.1.3

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

ragg 0.1.2

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

ragg 0.1.1

  • 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 0.1.0

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