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Alex Merry f0f6d14367 Add simple autotests 
Two main tests: read the file and compare to a given image (loaded from
png), and write a file out and compare to a previously-written image.

The write test in particular is kind of fragile, but it should help
catch some errors where a code change was not intended to affect the
output of the plugin.

Tests are included for all the writable formats, as well as every
readable format that GIMP can write to (and so I could easily get an
example of).

REVIEW: 115430
2014-02-03 15:03:29 +00:00
autotests Add simple autotests 2014-02-03 15:03:29 +00:00
cmake Add an imported target to FindOpenEXR.cmake 2014-01-27 12:26:26 +00:00
src Use new kde_target_enable_exceptions() function from ECM 2014-01-27 12:42:26 +00:00
tests Add simple autotests 2014-02-03 15:03:29 +00:00
.reviewboardrc Add myself to the standard list of people to review changes 2014-01-11 19:07:23 +00:00
CMakeLists.txt Add simple autotests 2014-02-03 15:03:29 +00:00
COPYING-CMAKE-SCRIPTS add missing licence file 2014-01-09 00:31:43 +00:00
COPYING.LIB Move kimageformats code to the root directory. 2013-12-18 00:45:18 +00:00
kimageformats.yaml Add README.md and yaml files 2013-12-20 20:11:24 +01:00
README.md README.md syntax fixes 2014-02-01 17:22:36 +00:00

README.md

KImageFormats

Image format plugins for Qt

Introduction

This framework provides additional image format plugins for QtGui. As such it is not required for the compilation of any other software, but may be a runtime requirement for Qt-based software to support certain image formats.

Formats

The following image formats have read-only support:

  • DirectDraw Surface (dds)
  • Gimp (xcf)
  • OpenEXR (exr)
  • Photoshop documents (psd)
  • Sun Raster (ras)

The following image formats have read and write support:

  • Encapsulated PostScript (eps)
  • JPEG-2000 (jp2)
  • Personal Computer Exchange (pcx)
  • SGI images (rgb, rgba, sgi, bw)
  • Softimage PIC (pic)
  • Targa (tga): supports more formats than Qt's version
  • XView (xv)

Contributing

See the QImageIOPlugin documentation for information on how to write a new plugin.

The main difference between this framework and the qimageformats module of Qt is the license. As such, if you write an imageformat plugin and you are willing to sign the Qt Project contributor agreement, it may be better to submit the plugin directly to the Qt Project.

Note that the imageformat plugins provided by this module also provide a desktop file. This is for the benefit of KImageIO in the KDE4 Support framework.

Duplicated Plugins

The TGA plugin supports more formats than Qt's own TGA plugin; specifically, the one provided here supports indexed, greyscale and RLE images (types 1-3 and 9-11), while Qt's plugin only supports type 2 (RGB) files.

The code for this cannot be contributed upstream directly because of licensing. If anyone were willing to write fresh code to improve Qt's TGA plugin, it would allow the TGA plugin in this framework to be removed.

Links