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© 1992-2014 Arahne, d.o.o.

Download the source from here:
apaint4.1r.tar.bz2 (673 KB) May 2014

Why should you try it?

Because this program was not written as someone’s lesson in programming, but to solve a real need.
It is used by hundreds of people to do real work, during their day job.
If you just want to try it, without compiling it, then please download the ArahWeave demo, which also contains ArahPaint4.

Why do we need another paint program?

This package contains ArahPaint4, a textile oriented paint program. Textile oriented means that:

• 它有很好的工具来减少图案（调色板）的颜色
• 自动或手动控制减色
• for drawing in repeat
• 用于绘制除1：1外的恒总比，因为这是织造所必需的
• works well with large images (16000×16000 and more)
• allows pixel level precision at drawing and positioning of selections
• 包含一个不错的图像浏览器
• 无限撤销、重做
• filters work in repeat
• 尽可能让键盘快捷键等同于Photoshop
• 有一些您在其他任何程序都找不到的功能

This is a pixel pushing program, not a photo retouching program. You should look at Photoshop or GIMP if you need red eye reduction. The user’s manual, screenshots are available from Arahne’s web site
https://arahne.org

With ArahPaint4, easy things remain easy, while complicated ones remain impossible 😉

License

ArahPaint4 is licensed under GPL2, and the libraries it uses are licensed under LGPL.

Compilation instructions

ArahPaint4 is usually delivered as a part of ArahWeave CAD/CAM for weaving. Arahne has released ArahPaint4 as open source, together with some custom libraries which ArahPaint4 uses. For this reason, ArahPaint4 uses non-standard build method, since the libraries stay at their place as if it was still part of ArahWeave, to minimize the changes to the code. In this way, it is easier for Arahne to continue the development of open source and non-open source programs in parallel.

To compile ArahPaint4, you will need a C and C++ compiler and development environment for:

• TrollTech’s Qt version 3 or later, but not 4
• X11
• TIFF
• JPEG
• PNG
• zlib

After uncompressing the source files with command
tar -jxf apaint4.1r.tar.bz2
you will need the edit one configuration file with a text editor of your choice.
xedit apaint4.1r/main/makeRelease
In that file, you need to edit the line
export QMAKESPEC=/home/dusan/apaint4.1r/main/default
so that it will reference the directory in which you have placed the source. You need to replace /home/dusanwith your development directory.

You may also change the line
make -j 4
so that the number after -j reflects the number of CPU cores of your computer. Your compilation will be much faster in parallel. Later, if you wish you can also change the file makeReleaseIcc (if you use Intel C/C++ compiler) or makeDebug (if you wish to make a version with debug symbols). This was the only way we could customize compile Qt environment, without requiring root permissions. The rest should be easy.

The easiest way to build ArahPaint4 is to type
./makeAll
in apaint4 directory.

If all goes well, you should be able to type
cd main
./apaint
and be able to run the program.

If it fails, here are the steps involved: cd into each of the library directories
llib
iolib
plib
and type make in each of those directories. Then go in the main directory and type
makeClean
to clean up the garbage from any previous build, and type
makeRelease
to compile the whole ArahPaint4 program.

If you wish, and know how to configure the beast, you can also use Qt designer to compile and debug the program. On OpenSuse 10.3, you can run the Qt designer with command
/usr/lib/qt3/bin/designer

If ArahPaint4 runs correctly, and you want to use your own version, it is best if you just make a link to the desktop to the script
./main/apaint

Due to some strange bug in qt3 library, the qt library shipped with OpenSUSE 11.0 or 11.1, program runs, and mostly works, but drawing operations (draw line, circle, rectangle), do not work. In order to fix this problem, you need to take the qt library from OpenSUSE 10.3, and it will work. Copy the file libqt-mt.so.3 切换到 main/common/lib, so program will use this library and it will start working correctly.

Making a stand alone distribution

If you want to make a little stand-alone ArahPaint4 distribution, you will need the following files:

If you wish, you may also put the extra libraries in a different location, but you will need to modify the LD_LIBRARY_PATH in the apaint script, to reflect that change.

ArahPaint4 configuration settings

ArahPaint4 also reads the
.arahne
configuration file from the user’s home directory.

If you use ArahWeave DEMO, you will already have it in place and you do not need to worry about anything. ArahPaint can also write the configuration file, ever time you choose Help > Save setup > flag with language.

Language will be changed during the next startup. Program will also save default directory of images, default image browser settings, and some other more exotic setting. You may inspect the configuration file with an editor and change other settings, which you dislike.

The original ArahWeave’s .arahne configuration file contains many more options (currently 270), but ArahPaint will not overwrite the unused options.  

How to contribute and debug?

If you wish to contribute to ArahPaint development, or if you find a bug, please contact Arahne at
[email protected]

Please provide the image which manifests the bug, and step by step instructions to reproduce the bug.

If you want to debug a problem more in detail, you can compile a debug version by typing
cd main
./makeClean
./makeDebug

Then you can run the program in ddd debugger by typing
./debug
This is is most useful if you have a core dump, which you are able to reproduce, and you want to check where in the source does it happen, and what is the state of the variables at that moment.

If you suspect a small memory overwrite or a subtle bug which does not manifest in immediate crash, you can also try running the program with valgrind by typing
./grind
This will give you positions of errors in the source, with descriptions of the errors. It is especially useful for memory leaks and memory overwrites. But program runs much slower.

Obviously, you need to have ddd or valgrind installed to use the respective tools.

Good luck in compiling,

Arahne development team