1.2.0 / 2009-06-23

• 26 minor enhancements:

  • Add load_metadata flag to PNG.load to extract dimensions and depth.

  • Add pure-ruby versions back for png_join and png_crc.

  • Added Canvas#composite(canvas, x, y, style) with overwrite, underlay, overlay, and blend.

  • Added Canvas#each, passes x, y, color.

  • Added Canvas#extract.

  • Added Color#|, Background color is effective false.

  • Added Font#coordinates and cached each letter when extracted.

  • Added PNG::load_file.

  • Added reader tests.

  • Added tests for PNG::Font.

  • Added tests for PNG::load.

  • Added to/from hsv methods to Color.

  • Clean up tests to remove duplication.

  • Cleaned up Color#to_ascii to make much easier to read and extend.

  • Cleaned up a fair amount of code, removing as many raw literals as possible.

  • Color#blend is a simple averaging algorithm now.

  • Extended reader to include RGB as well, paving the way for grayscale.

  • Fake support for RGB as well as RGBA (default alpha to 255).

  • Made reader work again (was flipped and all sorts of broken).

  • Split out reader.

  • Switched to minitest.

  • Time to refactor PNG::Font to use extract and composite…

  • Updated Rakefile to new hoe capabilities.

  • Updated manifest.

  • metadata_only now cleaner.

  • read_IHDR now returns height, width instead of a canvas.

• 3 bug fixes:

  • Fixed example/lines and added text.

  • Fixes for 1.9.

  • Ignore color profile if it exists (fixes problems on osx screenshots).

1.1.0 / 2007-03-26

• 4 major enhancements:

  * Fixed and incorporated Dominik Barathon's optimizations.
  * Wrote inline methods for png_crc and png_join. Now about 15x faster overall.
  * Basic PNG loading.
  * Reoriented x/y origin to bottom left. This will break things!

• 3 minor enhancements:

  * Awesome ascii art patches from Tom Werner: Canvas#inpsect, Canvas#to_s, Color#to_ascii.
  * Switched to Hoe.
  * PNG.pie_chart from png/pie.

• 1 bug fix:

  * Fixed bug in PNG::Canvas#each.

1.0.0 / 2006-09-31

• Birthday!

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