author | Dominic Pinkman <dominic.pinkman@nokia.com> |
Fri, 11 Jun 2010 12:39:03 +0100 | |
changeset 8 | ae94777fff8f |
parent 7 | 51a74ef9ed63 |
child 13 | 48780e181b38 |
permissions | -rw-r--r-- |
8
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
1 |
<?xml version="1.0" encoding="utf-8"?> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
2 |
<!-- Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies) All rights reserved. --> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
3 |
<!-- This component and the accompanying materials are made available under the terms of the License |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
4 |
"Eclipse Public License v1.0" which accompanies this distribution, |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
5 |
and is available at the URL "http://www.eclipse.org/legal/epl-v10.html". --> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
6 |
<!-- Initial Contributors: |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
7 |
Nokia Corporation - initial contribution. |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
8 |
Contributors: |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
9 |
--> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
10 |
<!DOCTYPE concept |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
11 |
PUBLIC "-//OASIS//DTD DITA Concept//EN" "concept.dtd"> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
12 |
<concept id="GUID-4CC4D912-810B-4542-AFCD-58CEE8E0128C" xml:lang="en"><title>Open |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
13 |
C libz Example</title><prolog><metadata><keywords/></metadata></prolog><conbody> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
14 |
<p>The example demonstrates how to use the libz library to compress a file |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
15 |
and decompress it. The library can compress and decompress any kind of file |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
16 |
(txt, doc, xls, xml, mpeg, ppt, mp3 etc). </p> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
17 |
<section id="GUID-026FD8D6-6C4A-5958-B289-775D4AE1E756-GENID-1-10-1-11-1-1-5-1-3-1-11-1-11-1-2-2"><title>Download</title> <p>Click |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
18 |
on the following link to download the example: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/zips/guid-4e9f70e8-96f8-45be-90fc-00c9071cf562.zip" scope="external"> openclibz.zip</xref></p><p>Click: <xref href="guid-6013a680-57f9-415b-8851-c4fa63356636/guid-4e9f70e8-96f8-45be-90fc-00c9071cf562.html" scope="peer">browse</xref> to view the example code. </p> </section> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
19 |
<section id="GUID-7E7C4564-B10E-41F9-8A9D-D8A6C5E9C51C-GENID-1-10-1-11-1-1-5-1-3-1-11-1-11-1-2-3"><title>Design and |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
20 |
Implementation</title> <p>The following sections provide more information |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
21 |
about the steps that the example performs. </p> <p><b>Capabilities</b> </p>Program |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
22 |
capabilities are defined in <filepath>openclibz.mmp</filepath>: <codeph>CAPABILITY |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
23 |
None</codeph><p><b>Implementation details of EXE</b> </p>This example is a |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
24 |
console based application. This application can be launched from the icon |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
25 |
(openclibz) in installed folder and also from eshell. When we launch it through |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
26 |
icon it prompts the user to enter the mode to process. The strategy parameter |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
27 |
is used to select the compression algorithm. For compressing a file, it reads |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
28 |
the file and then compresses it using the API of the libz library and then |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
29 |
stores the compressed content in a (.gz) file. If you want to decompress, |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
30 |
type d. For decompressing a file, it opens the compressed (.gz) file using |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
31 |
libz API's and then reads the content and decompresses it . To check what |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
32 |
happens to the content of the string after compression then type s. Enter |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
33 |
the string you want and see the data in compressed format . This option |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
34 |
is to demonstrate compression of string using libz API's.<p>To run this application |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
35 |
through eshell: </p><p><codeblock xml:space="preserve"> Usage : openclibz [-d] [-f] [-h] [-r] [-1 to -9] [files...] |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
36 |
-d : decompress |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
37 |
-f : compress with Z_FILTERED |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
38 |
-h : compress with Huffman encoding |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
39 |
-r : compress with run-length encoding |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
40 |
-1 to -9 : compression level |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
41 |
files : absolute path of files |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
42 |
</codeblock></p><p><b>Some usage tips</b></p><p>Once you choose compression |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
43 |
process, enter the file name. You should provide absolute path of the file |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
44 |
you want to compress. <filepath>(drive letter):\[(folder name)\]filename</filepath>. |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
45 |
To get : on phone you have to press 1 few times. To get on phone you have |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
46 |
to press 1 few times. To get on emulator is bit tricky. If you are lucky |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
47 |
then pressing 1 will get it for you, otherwise change the mode. using "\ BUTTON" |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
48 |
(Just above the enter button in the keyboard) and then try pressing 1. To |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
49 |
press enter on phone we are supposed to press 0 four times. </p><p><b>Cross |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
50 |
platform usage</b></p><p>We can compress the file on any platform and uncompress |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
51 |
it on any other platform. For example Unix's gzip files can be compressed |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
52 |
using the example application and decompressed using Unix's gunzip. Compression |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
53 |
can be done in a single step, if the buffers are large enough; or compression |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
54 |
can be done by repeated calls of the compression function. In the second scenario, |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
55 |
application must provide more input and consume the output (providing more |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
56 |
output space) before each call. </p></section> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
57 |
<section id="GUID-D72E3F44-9925-456B-9B1D-FBCBAC2548DA"><b>APIs Used</b><p><codeph>compress</codeph>, <codeph>uncompress</codeph>, <codeph>gzopen</codeph>, <codeph>gzclose</codeph>, <codeph>gzread</codeph>, <codeph>gzwrite</codeph>, <codeph>gzerror</codeph> from |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
58 |
libz library</p><p> <codeph>fopen</codeph>, <codeph>fclose</codeph>, <codeph>fread</codeph>, <codeph>fwrite</codeph>, <codeph>mmap</codeph>, <codeph>munmap</codeph>, <codeph>fstat</codeph>, <codeph>unlink</codeph>, <codeph>printf</codeph>, <codeph>scanf</codeph> from |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
59 |
libc library </p></section> |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
60 |
<section id="GUID-67A72761-1D92-46D1-B1C9-7455978BDE4E-GENID-1-10-1-11-1-1-5-1-3-1-11-1-11-1-2-5"><title>Building and |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
61 |
Using</title> <p>The <xref href="GUID-3100800B-B2F7-50EF-BD4C-3C345ECCB2A5.dita">Symbian |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
62 |
build process</xref> describes how to build this example application. </p> To |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
63 |
build the example application, go to the openclibz\group directory and build |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
64 |
the application. The definition for the whole application can be found in |
ae94777fff8f
Week 23 contribution of SDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Dominic Pinkman <dominic.pinkman@nokia.com>
parents:
7
diff
changeset
|
65 |
the bld.inf file in the group subdirectory of the applications main directory. </section> |
7
51a74ef9ed63
Week 12 contribution of API Specs and fix SDK submission
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff
changeset
|
66 |
</conbody></concept> |