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Detailed Changelog

These are the changes in the functionality of the package, not including internal changes. Internal changes are are best seen in the commits history.

2018-MAR-30

  • ALTERED API: Removed SetErrorLogger() method
  • ALTERED API: ToPoints(): added error return value
  • Initialize PDF automatically, even when NewPDF() wasn't called. The paper size is A4, and the units CM by default. To specify a different paper size, use NewPDF().
  • No need to add the first page with AddPage(). It is inserted automatically.
  • New error handling methods Clean(), Errors(), ErrorInfo() and PullError().
  • SetColumnWidths(): can be called without arguments when you need to reset all columns.
  • Added various unit tests, for 95% code coverage.
  • Fixed text wrapping bug that could cause PDF to freeze.

2018-MAR-14

  • Added support for color JPEG, GIF and PNG images with transparency blending
  • Added all standard A, B, and C paper sizes, and US Tabloid and Ledger
  • DrawImage(): added backColor optional parameter (using ...) so you can specify the background color for transparent PNGs
  • DrawImage(): changed to draw images down from the Y-coordinate position (below, not above Y)
  • Created "PNG Images Demo", which outputs to png_images.pdf
  • Created ToColor() function to convert named colors and HTML color codes to RGBA color values
  • Created ToUnits() method to convert points to the currently-active units of measurement
  • Removed PDFNoPage constant
  • Created basic unit tests and test helper functions
  • Various internal changes, reducing file length by about 60 lines

2018-MAR-08

  • New methods DrawCircle(), DrawEllipse(), FillCircle(), FillEllipse()
  • New demo demonstrating circles and text wrapping: corporate.pdf ("Synergy Ipsum")
  • SetColor(): now allows HTML color values like "#4C9141 MayGreen", ignores the extra chars.
  • Log an error when the name of a selected font is unknown.
  • Log the specified measurement unit's name when its name is not valid.

2018-MAR-09

  • Replaced PDFColor type with standard lib's color.RGBA (import "image/color")
  • SetColorRGB(): changed parameters from int to uint8
  • Changed PDFPageSize and PDFStandardPageSizes to private structures
  • SaveFile() now returns error instead of *PDF, to allow caller to check for IO errors
  • SetColumnWidths() is no longer limited to 100 columns
  • Font names and color names can be specified with spaces, underscores or '-' delimiting words
  • Removed module-global PDFErrorHandler, created SetErrorLogger() to set the handler for each PDF instance