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| <title>Readme file for letest and gendata</title> |
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| <h2> What are letest and gendata?</h2> |
| letest is a program you can use to verify that you have built and installed |
| the ICU LayoutEngine correctly. The test is not comprehensive, it just verifies |
| that the results of laying out some Devanagari, Arabic and Thai text are |
| as expected. Once this test has passed, you can use the ICU LayoutEngine in |
| your application knowing that it has been correctly installed and that the |
| basic functionality is in place. |
| <p>gendata is a program that is used by the ICU team to build the source file |
| testdata.cpp, which contains the expected results of running letest. Unless |
| you have changed your copy of the LayoutEngine and want to validate the changes |
| on other platforms, there's no reason for you to run this program. </p> |
| <p>(The ICU team first runs a Windows application which uses the ICU LayoutEngine |
| to display the text that letest uses. Once it has been verified that the text |
| is displayed correctly, gendata is run to produce testdata.cpp, and then |
| letest is run on Windows to verify that letest still works with the new data.) |
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| </p> |
| <h2> How do I build letest?</h2> |
| First, you need to build ICU, including the LayoutEngine. |
| <p>On Windows, the layout project should be listed as a dependency of all, |
| so layout will build when you build all. If it doesn't for some reason, just |
| select the layout project in the project toolbar and build it. </p> |
| <p>On UNIX systems, you need to add the "--enable-layout=yes" option when |
| you invoke the runConfigureICU script. When you've done that, layout should |
| build when you do "make all install" </p> |
| <p>To build letest on Windows, just open the letest project in <icu>\source\test\letest |
| and build it. On UNIX systems, connect to <top-build-dir>/test/letest |
| and do "make all" <br> |
| </p> |
| <h2> How do I run letest?</h2> |
| Before you can run letest, you'll need to get the fonts it uses. For legal |
| reasons, we can't include them with ICU, but you can get them for free from |
| the web. To do this, you'll need access to a computer running Windows. Here's |
| how to get the fonts: |
| <p>Download the 1.3 version of the JDK from the <a href="http://www7b.boulder.ibm.com/wsdd/wspvtindex.html"> |
| IBM WebSphere preview technologies</a> page. From this page, follow the "Download" |
| link on the right had side. You'll need to register with them if you haven't |
| downloaded before. Download and install the "Runtime Environment Package." |
| You'll need three fonts from this package. If you've let the installer use |
| it's defaults, the fonts will be in C:\Program Files\IBM\Java13\jre\lib\fonts. |
| The files you want are "LucidaSansRegular.ttf" and "Thonburi.ttf" Copy these |
| to the directory from which you'll run letest. </p> |
| <p>Next is the Hindi font. Go to the NCST site and download <a href="http://rohini.ncst.ernet.in/indix/download/font/raghu.ttf"> |
| raghu.ttf</a>. Be sure to look at the <a href="http://rohini.ncst.ernet.in/indix/download/font/README"> |
| README</a> file before you download the font. You can download raghu.ttf |
| into the directory from which you'll run letest.<br> |
| </p> |
| <p>There's still one more font to get. Go to the Microsoft <a href="http://www.microsoft.com/typography/fontpack/default.htm"> |
| TrueType core fonts for the Web</a> page and download the "Times New Roman" |
| font. This will download an installer program, called "Times32.exe" which |
| will install the Times New Roman fonts in your fonts folder. (If you've already |
| got these fonts in you fonts folder, you may want to move them to another |
| folder before you install these fonts.) </p> |
| <p>NOTE: this installer will display an End User License Agreement (EULA) |
| which you must accept before proceeding. Be sure that you read and understand |
| this agreement before you install the font. </p> |
| <p>After you run the installer program, it will add the Times Roman fonts |
| to your fonts folder. Open the fonts folder and copy the "Times New Roman" |
| font (the file name will be "Times.TTF") to the directory from which you'll |
| run letest. </p> |
| <p>That's it! Now all you have to do is run letest (CTRL+F5 in Visual C++, |
| or "./letest" in UNIX) If everything's OK you should see something like |
| this: </p> |
| <blockquote><tt>Test 0, font = raghu.ttf... passed.</tt> <br> |
| <tt>Test 1, font = Times.TTF... passed.</tt> <br> |
| <tt>Test 2, font = LucidaSansRegular.ttf... passed.</tt> <br> |
| <tt>Test 3, font = Thonburi.ttf... passed.</tt></blockquote> |
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