/Zebra_Image

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version 2.2.6 (May 22, 2017)

  • minor source code tweaks
  • unnecessary files are no more included when downloading from GitHub or via Composer
  • documentation is now available in the repository and on GitHub
  • the home of the library is now exclusively on GitHub

version 2.2.5 (May 16, 2016)

  • use the newly added "auto_handle_exif_orientation" property for auto fixing image rotation if EXIF information is available; requires PHP to be configured with exif-support via --enable-exif (or, for Windows user, by enabling the php_mbstring.dll and php_exif.dll extensions); thanks to Sebi Popa
  • better integration with composer; thanks to Richard Griffith
  • dropped support for PHP4; the library now requires PHP5+

version 2.2.3 (July 14, 2013)

  • removed the error muting used for imagecreatefrom{gif,jpeg,png} calls in the "_create_from_source" private method, which would cause the script to silently fail if the memory limit was exceeded; thanks to Eren Türkay
  • project is now available on GitHub and as a package for Composer

version 2.2.2 (August 31, 2012)

  • fixed a bug where if there were no disabled PHP functions (through php.ini), the library would always return error code 8; thanks to Jim Li
  • filters can now be applied to images; the existing filters are those handled by PHP's imagefilter function: negate, grayscale, brightness, contrast, colorize, edgedetect, emboss, gaussian blur, selective blur, mean removal, smooth and pixelate; multiple filters can be applied at once for creating custom filters

version 2.2.1 (September 09, 2011)

  • fixed two bugs that appeared since the last version that would cause the script to throw warnings; thanks to NIXin for reporting

version 2.2 (September 06, 2011)

  • a new property is now available: png_compression, which determines the compression level of PNG files; this value of this property is ignored for PHP versions older than 5.1.2; thanks to Julien for suggesting
  • a new property is now available: sharpen_images which, when enabled, will instruct the script to apply a "sharpen" filter to the resulting images; can be very useful when creating thumbnails but should be used only when creating thumbnails; the sharpen filter relies on PHP's imageconvolution function which is available only for PHP version 5.1.0+, and will leave the images unaltered for older versions
  • added new cropping options: TOPCENTER, TOPRIGHT, MIDDLELEFT, MIDDLERIGHT, BOTTOMLEFT, BOTTOMCENTER, BOTTOMRIGHT; thanks to flam for suggesting
  • entire logic behind the resize method was rewritten
  • fixed a bug where the script would generate warnings if the chmod function was disabled via PHP configuration options; now it will not generate the warning but instead will set a value for the script's error property
  • fixed a bug where if one would resize a transparent image and in the process would convert it to a JPEG (no transparency) and the resize method's background_color argument was set to -1, the resulted image's background color would be black; now it is white, as described in the documentation; thanks to Julien for reporting

version 2.1.2 (May 09, 2011)

  • fixed a bug when resizing images having height greater than width, and using the resize() method with only the height argument; thanks to Manuweb2 for reporting.

version 2.1.1 (March 24, 2011)

  • fixed a bug where the script would produce warnings on some particular transparent GIF images; thanks to Olof Fredriksson for reporting.

version 2.1 (February 05, 2011)

  • fixed a bug where the script would produce warnings on partially broken JPEG files and would not process the image; now the script will successfully handle such images
  • fixed a bug where the rotate method was not working correctly on transparent PNG/GIF images
  • improved overall handling of transparent images
  • a new method was added: "flip_both" which flips an image both vertically and horizontally
  • the code for flip_horizontal and flip_vertical methods was rewritten
  • a more explicit example was added

version 2.0 (September 27, 2010)

  • entire code was audited and improved
  • method names, method arguments and global properties were changed and therefore this version breaks compatibility with previous ones
  • resize() method was improved and now can resize an image to exact width and height and still maintain the aspect ratio by involving the crop() method
  • fixed a bug where the crop(), flip_horizontal() and flip_vertical() were not working correctly for transparent PNG files
  • some documentation refinements

version 1.0.5 (August 23, 2007)

  • fixed a bug where the resize() method would produce unexpected results when the actual width of the image was smaller than the value of the resizeToWidth property and resizeIfSmaller property was set to FALSE. in this case, if the height of the image was to be adjusted upwards, the width of the image was increased indefinitely not taking in account the value of resizeToWidth property

version 1.0.4 (October 13, 2006)

  • a new method was added - crop()
  • a new property was added - preserveSourceFileTime which is by default set to TRUE and which instructs the scripts to preserve the date/time of the source files and pass it on to the target files; thanks to patrick from swederland
  • the flip_horizontal and flip_vertical methods were stil using the imagecopy function instead of using the imagecopyresampled function
  • the create_image_from_source_file() function was incorrectly checking for the existence of the source file: you could specify a valid path (but not a file) and the script would crash error because the path indeed existed even though it was not a file
  • the result of the create_image_from_source_file() private method was poorly implemented and the script could be easily crashed by specifying bogus source files

version 1.0.3 (September 13, 2006)

  • if invalid sizes were specified for resizing (i.e. string or negative numbers) the script would crash
  • resizing of transparent png24 files was not working; thanks mar251
  • working with png files would always make the value of the "error" property equal to 5 even if everything went well
  • when resizing, interpolation was not used and the resulting images were rough. now imagecopyresampled function is used instead of imagecopyresized; thanks Sabri
  • resizing was not working correctly in some cases

version 1.0.2 (August 12, 2006)

  • error checking for the source file was incorrectly implemented and the script would produce warnings and fatal errors if there were problems with the source file
  • properties will now have default values in PHP 4

version 1.0.1 (August 11, 2006)

  • after output, the file was chmod-ed incorrectly
  • the documentation now tells you about how to calculate the permission levels

version 1.0 (August 04, 2006)

  • initial release