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\s30\li1760\widctlpar\tqr\tldot\tx9027 \f4\fs18\lang2057 \sbasedon0\snext0 toc 9;}{\s31\sa240\pagebb\widctlpar \b\f4\fs28\lang2057 \sbasedon0\snext0 HeadingAppendix 1;}{\s32\sa240\pagebb\widctlpar \b\f4\fs28\lang2057 \snext32 Contents;}{\*\cs33 \additive
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\sbasedon10 page number;}{\s34\widctlpar \b\f4\fs21\cf8\lang2057 \sbasedon0\snext34 Tabletitle;}{\s35\sb240\sa240\widctlpar \b\f4\lang2057 \sbasedon31\snext0 HeadingAppendix 2;}{\s36\sb120\sa120\widctlpar \b\f4\fs22\lang2057 \sbasedon31\snext0
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HeadingAppendix 3;}{\s37\li1298\sa220\nowidctlpar \f5\fs22\lang3081 \sbasedon0\snext37 11 BodyText;}}{\info{\title Functional Specification Template}{\author Lane Roberts}{\operator Andrew Baldwin}{\creatim\yr1999\mo7\dy14\hr18\min33}
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{\revtim\yr1999\mo10\dy14\hr19\min21}{\printim\yr1999\mo7\dy15\hr16\min37}{\version3}{\edmins4}{\nofpages8}{\nofwords1106}{\nofchars6309}{\*\company Symbian LTD}{\vern57431}}\paperw11909\paperh16834\margl1440\margr1440\margt1872
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\widowctrl\ftnbj\aenddoc\makebackup\hyphcaps0\formshade \fet0\sectd \psz9\linex0\headery709\footery709\colsx709\endnhere\titlepg {\footer \pard\plain \s15\sa120\widctlpar\tqr\tx9000 \scaps\f4\fs16\lang2057
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\par }{\headerf \pard\plain \s16\widctlpar\tqc\tx4153\tqr\tx9000 \scaps\f4\fs16\lang2057 \tab \tab
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\par
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\par }{\footerf \pard\plain \s15\sa120\widctlpar\tqr\tx9000 \scaps\f4\fs16\lang2057 {\cf6 {\*\bkmkstart bkm_Copyright}\'a9 Copyright Symbian LTD 1999}{\*\bkmkend bkm_Copyright}
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. This document may not be reproduced in any form, in whole or in part, by any means whatsoever, without the written permission of the copyright holder.
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\par
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\par \pard \s15\sa120\widctlpar\brdrt\brdrs\brdrw15\brsp20 \tqr\tx9000 \tab {\field{\*\fldinst PAGE }{\fldrslt {\lang1024 1}}} of {\field{\*\fldinst NUMPAGES }{\fldrslt {\lang1024 1}}}
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\par }{\*\pnseclvl1\pnucrm\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl2\pnucltr\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl3\pndec\pnstart1\pnindent720\pnhang{\pntxta .}}{\*\pnseclvl4\pnlcltr\pnstart1\pnindent720\pnhang{\pntxta )}}{\*\pnseclvl5
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\pndec\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl6\pnlcltr\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl7\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}{\*\pnseclvl8\pnlcltr\pnstart1\pnindent720\pnhang
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{\pntxtb (}{\pntxta )}}{\*\pnseclvl9\pnlcrm\pnstart1\pnindent720\pnhang{\pntxtb (}{\pntxta )}}\trowd \trgaph108\trleft-108 \cellx8910 \pard\plain \s21\sb3600\sa120\widctlpar\intbl \b\f4\fs36\cf6\lang2057\kerning28 {\b0 {\*\bkmkstart bkm_StandardTitle}
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Media Server Image Converter API}{\b0\cf2 {\*\bkmkend bkm_StandardTitle}
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\par }\pard\plain \s24\sa120\widctlpar\intbl \f4\fs22\lang2057\kerning28 \cell \pard\plain \widctlpar\intbl \f4\fs20\lang2057 \row \trowd \trgaph108\trleft-108\trbrdrb\brdrs\brdrw15 \cellx2127\cellx8910 \pard\plain \s24\sb720\widctlpar\intbl
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\f4\fs22\lang2057\kerning28 Author:\cell {\cf6 {\*\bkmkstart bkm_DocAuthor}Lane Roberts}{\*\bkmkend bkm_DocAuthor}\cell \pard\plain \widctlpar\intbl \f4\fs20\lang2057 {\b \row }\trowd \trgaph108\trleft-108\trbrdrb\brdrs\brdrw15 \clbrdrb\brdrs\brdrw15
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\cellx2127\clbrdrb\brdrs\brdrw15 \cellx8910 \pard\plain \s24\widctlpar\intbl \f4\fs22\lang2057\kerning28 Last revised:\cell {\cf6 {\*\bkmkstart bkm_DocDate}13}{\cf6\super th}{\cf6 October 1999}{\*\bkmkend bkm_DocDate}\cell \pard\plain \widctlpar\intbl
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\f4\fs20\lang2057 {\b \row }\pard\plain \s24\sa120\widctlpar \f4\fs22\lang2057\kerning28 {\*\bkmkstart _Toc420152784}
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\par \pard\plain \s32\sa240\pagebb\widctlpar \b\f4\fs28\lang2057 \sect \sectd \pgwsxn11907\margtsxn1871\linex0\headery709\footery709\colsx709\endnhere {\header \pard\plain \s16\widctlpar\tqr\tx9000 \scaps\f4\fs16\lang2057 \tab {\field{\*\fldinst {\b
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REF bkm_StandardTitle \\* MERGEFORMAT }}{\fldrslt {\b Media Server Image} Converter API}}
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\par \pard \s16\widctlpar\brdrt\brdrs\brdrw15\brsp20 \tqc\tx4153\tqr\tx9000 {\field{\*\fldinst REF bkm_DocDate \\* MERGEFORMAT }{\fldrslt 13th October 1999}}\tab \tab
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\par }{\footer \pard\plain \s15\sa120\widctlpar\brdrt\brdrs\brdrw15\brsp20 \tqr\tx9000 \scaps\f4\fs16\lang2057 {\field{\*\fldinst REF bkm_Copyright \\* MERGEFORMAT }{\fldrslt \'a9 Copyright Symbian LTD 1999}}\tab {\field{\*\fldinst PAGE }{\fldrslt {
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\lang1024 4}}} of {\field{\*\fldinst NUMPAGES }{\fldrslt {\lang1024 1}}}
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\par }\pard\plain \s32\sa240\pagebb\widctlpar \b\f4\fs28\lang2057 Contents{\*\bkmkend _Toc420152784}
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\par \pard\plain \s17\sb120\sa120\widctlpar\tqr\tldot\tx9027 \b\caps\f4\fs20\lang2057 {\field\fldedit{\*\fldinst TOC \\o "1-3" }{\fldrslt {\lang1024 1. Introduction\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560096 }{\field{\*\fldinst {\lang1024
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PAGEREF _Toc464560096 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par }\pard\plain \s18\li220\widctlpar\tqr\tldot\tx9027 \scaps\f4\fs20\lang2057 {\lang1024 1. 1 Purpose and scope\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560097 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560097 }}{\fldrslt {\lang1024 1}}}}}{
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\lang1024
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\par 1. 2 Document History\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560098 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560098 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par }\pard\plain \s17\sb120\sa120\widctlpar\tqr\tldot\tx9027 \b\caps\f4\fs20\lang2057 {\lang1024 2. Overview\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560099 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560099 }}{\fldrslt {\lang1024 1}}}}}{
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\lang1024
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\par 3. Functional specification\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560100 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560100 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par }\pard\plain \s18\li220\widctlpar\tqr\tldot\tx9027 \scaps\f4\fs20\lang2057 {\lang1024 3. 1 Rotation\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560101 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560101 }}{\fldrslt {\lang1024 1}}}}}{
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\lang1024
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\par 3. 2 Scaling\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560102 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560102 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par 3. 3 Conversions\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560103 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560103 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par }\pard\plain \s19\li605\widctlpar\tqr\tldot\tx9027 \f4\fs20\lang2057 {\lang1024 3. 3 .1 File to bitmap\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560104 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560104 }}{\fldrslt {\lang1024 1}}}}}{
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\lang1024
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\par 3. 3 .2 Descriptor to bitmap\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560105 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560105 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par 3. 3 .3 Bitmap to file\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560106 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560106 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par 3. 3 .4 Bitmap to descriptor\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560107 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560107 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par 3. 3 .5 Bitmap to bitmap\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560108 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560108 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par 3. 3 .6 Asynchronous operation signalling\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560109 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560109 }}{\fldrslt {\lang1024 1}}}}}{\lang1024
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\par }\pard\plain \s18\li220\widctlpar\tqr\tldot\tx9027 \scaps\f4\fs20\lang2057 {\lang1024 3. 4 Image frame information\tab }{\field{\*\fldinst {\lang1024 GOTOBUTTON _Toc464560110 }{\field{\*\fldinst {\lang1024 PAGEREF _Toc464560110 }}{\fldrslt {\lang1024 1
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}}}}}{\lang1024
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\par }\pard\plain \sa120\widctlpar \f4\fs20\lang2057 }}\pard\plain \sa120\widctlpar \f4\fs20\lang2057
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\par {\*\bkmkstart _Toc420154978}{\*\bkmkstart _Toc420156456}{\*\bkmkstart _Toc420075413}{\*\bkmkstart _Toc420152786}{\*\bkmkstart _Toc420153072}{\pntext\pard\plain\b\fs28\lang2057\kerning28 1.\tab}\pard\plain
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\s1\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl1\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxta .}}\b\f4\fs28\lang2057\kerning28 \page {\*\bkmkstart _Toc464560096}Introduction{\*\bkmkend _Toc420154978}{\*\bkmkend _Toc420156456}
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{\*\bkmkend _Toc464560096}
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\par {\*\bkmkstart _Toc420154979}{\*\bkmkstart _Toc420156457}{\*\bkmkstart _Toc464560097}{\pntext\pard\plain\b\lang2057\kerning28 1. 1\tab}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }
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\b\f4\lang2057\kerning28 Purpose and scope{\*\bkmkend _Toc420075413}{\*\bkmkend _Toc420152786}{\*\bkmkend _Toc420153072}{\*\bkmkend _Toc420154979}{\*\bkmkend _Toc420156457}{\*\bkmkend _Toc464560097}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057 This document describes Image Converter API. This interface is intended to be used to perform common conversion operations on images.
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\par {\*\bkmkstart _Toc419889486}{\*\bkmkstart _Toc464560098}{\pntext\pard\plain\b\lang2057\kerning28 1. 2\tab}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }\b\f4\lang2057\kerning28 Document History
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{\*\bkmkend _Toc419889486}{\*\bkmkend _Toc464560098}
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\par \trowd \trgaph108\trhdr\trbrdrt\brdrs\brdrw15\brdrcf1 \trbrdrl\brdrs\brdrw15\brdrcf1 \trbrdrb\brdrs\brdrw15\brdrcf1 \trbrdrr\brdrs\brdrw15\brdrcf1 \trbrdrh\brdrs\brdrw15\brdrcf1 \trbrdrv\brdrs\brdrw15\brdrcf1 \clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl
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\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \clshdng6000 \cellx1276\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \clshdng6000 \cellx2340
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\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \clshdng6000 \cellx3300\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr
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\brdrs\brdrw15\brdrcf1 \clshdng6000 \cellx8932 \pard\plain \s34\widctlpar\intbl \b\f4\fs21\cf8\lang2057 Date\cell Revision\cell Status\cell Description\cell \pard\plain \widctlpar\intbl \f4\fs20\lang2057 \row \trowd \trgaph108\trbrdrt
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\brdrs\brdrw15\brdrcf1 \trbrdrl\brdrs\brdrw15\brdrcf1 \trbrdrb\brdrs\brdrw15\brdrcf1 \trbrdrr\brdrs\brdrw15\brdrcf1 \trbrdrh\brdrs\brdrw15\brdrcf1 \trbrdrv\brdrs\brdrw15\brdrcf1 \clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb
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\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \cellx1276\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \cellx2340\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl
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\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \cellx3300\clbrdrt\brdrs\brdrw15\brdrcf1 \clbrdrl\brdrs\brdrw15\brdrcf1 \clbrdrb\brdrs\brdrw15\brdrcf1 \clbrdrr\brdrs\brdrw15\brdrcf1 \cellx8932 \pard
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\sa120\widctlpar\intbl 13-10-1999\cell \pard \qc\sa120\widctlpar\intbl 1\cell \pard \sa120\widctlpar\intbl Draft\cell First draft taken from the Image API Requirements Spec document\cell \pard \widctlpar\intbl \row \pard \sa120\widctlpar
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\par {\*\bkmkstart _Toc464560099}{\pntext\pard\plain\b\fs28\lang2057\kerning28 2.\tab}\pard\plain \s1\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl1\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxta .}}\b\f4\fs28\lang2057\kerning28 Overview
|
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{\*\bkmkend _Toc464560099}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
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The Media Server Image Utility API provides a number of classes, each one dedicated to a specific image operation. These operations are a subset of all possible ordered pairings of the following set of source/destination types:
|
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\par {\pntext\pard\plain\f1\fs20\lang2057 \'b7\tab}\pard \fi-283\li283\sa120\widctlpar{\*\pn \pnlvlblt\pnf1\pnstart1\pnindent283\pnhang{\pntxtb \'b7}}Image file
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\par {\pntext\pard\plain\f1\fs20\lang2057 \'b7\tab}In-memory bitmap (CFbsBitmap/CWsBitmap)
|
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|
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\par {\pntext\pard\plain\f1\fs20\lang2057 \'b7\tab}Memory descriptor (complete image data)
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\par \pard \sa120\widctlpar
|
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|
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\par Media Server operations are essentially asynchronous so notification of completion is passed back to the calling code.
|
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\par {\pntext\pard\plain\b\fs28\lang2057\kerning28 3.\tab}\pard\plain \s1\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl1\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxta .}}\b\f4\fs28\lang2057\kerning28 \page {\*\bkmkstart _Toc464560100}
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|
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Functional specification{\*\bkmkend _Toc464560100}
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\par {\*\bkmkstart _Toc464560101}{\pntext\pard\plain\b\lang2057\kerning28 3. 1\tab}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }\b\f4\lang2057\kerning28 Rotation{\*\bkmkend _Toc464560101}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057 The following specifies the functionality required for rotation.
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\par
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\par {\f11 class CMdaBitmapRotator : public CBase
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\par \tab \{
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\par public:
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\par }\pard \fi720\sa120\widctlpar {\f11 enum ERotationAngle
|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 \{
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\par ERotation90DegreesClockwise,
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\par ERotation180DegreesClockwise,
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\par ERotation270DegreesClockwise
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\par \};
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\par }\pard \sa120\widctlpar {\f11 public:
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\par }\pard \li720\sa120\widctlpar {\f11 void RotateL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aSrcBitmap,
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 CFbsBitmap& aTgtBitmap,TRotationAngle aAngle);
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\par }\pard \li720\sa120\widctlpar {\f11 void RotateL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aBitmap,\tab TRotationAngle aAngle);
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\par }\pard \fi720\sa120\widctlpar {\f11 void CancelRotation();
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\par }\pard \sa120\widctlpar {\f11 \tab \};
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\par {\*\bkmkstart _Toc464560102}{\pntext\pard\plain\b\lang2057\kerning28 3. 2\tab}}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }\b\f4\lang2057\kerning28 Scaling{\*\bkmkend _Toc464560102}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057 The following specifies the functionality required for scaling.
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\par
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\par \pard\plain \s37\widctlpar \f5\fs22\lang3081 {\f11\fs20 class CMdaBitmapScaler : public CBase
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\par \tab \{
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\par }\pard\plain \sa120\widctlpar \f4\fs20\lang2057 {\f11 public:
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\par }\pard \li720\sa120\widctlpar {\f11 void ScaleL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aSrcBitmap,
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 CFbsBitmap& aTgtBitmap,TBool aMaintainAspectRatio = ETrue);
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\par }\pard \li720\sa120\widctlpar {\f11 void ScaleL(MMdaImageUtilObserver& aObserver,CFbsBitmap& aBitmap,
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 TSize aDestSize,TBool aMaintainAspectRatio = ETrue);
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\par }\pard \fi720\sa120\widctlpar {\f11 void CancelScaling();
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\par \};
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\par }\pard \sa120\widctlpar
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\par {\*\bkmkstart _Toc464560103}{\pntext\pard\plain\b\lang2057\kerning28 3. 3\tab}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }\b\f4\lang2057\kerning28 Conversions{\*\bkmkend _Toc464560103}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057 The following class declarations specify the functionality required for conversions. The common conversion and information
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functions are defined in an abstract base class. This allows the user to write polymorphic code for handling image conversion classes.
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\par {\f11
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\par class CMdaImageUtility : public CBase
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\par \tab \{
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\par public:
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\par // Image conversion
|
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|
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\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0) = 0;
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\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0) = 0;
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\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL() = 0;
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\par // Image information
|
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\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
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\par \tab virtual TInt FrameCount() const;
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\par \tab \};
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\par }
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\par {\*\bkmkstart _Toc464560104}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .1\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28 File to bitmap
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{\*\bkmkend _Toc464560104}
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
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\par {\f11 class CMdaImageFileToBitmapUtility : public CMdaImageUtility
|
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|
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\par \tab \{
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|
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\par public:
|
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\par // Object management
|
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|
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\par \tab CFileToBitmap* NewL(MMdaImageUtilObserver& aObserver,
|
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|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 CMdaServer* aServer = NULL);
|
|
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|
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\par }\pard \li720\sa120\widctlpar {\f11 void OpenL(const TDesC& aFileName,TMdaClipFormat* aFormat = NULL,
|
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|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 TMdaPackage* aCodec = NULL,TMdaPackage* aExtra = NULL);
|
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|
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\par }\pard \sa120\widctlpar {\f11 \tab void Close();
|
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|
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\par // Image conversion
|
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|
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\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0);
|
|
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|
151 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
|
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|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0);
|
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|
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\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL();
|
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|
154 |
\par // Image information
|
|
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|
155 |
\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
|
|
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|
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\par \tab virtual TInt FrameCount() const;
|
|
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|
157 |
\par \tab \};
|
|
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|
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\par }
|
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|
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\par {\*\bkmkstart _Toc464560105}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .2\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28 Descriptor to bitmap
|
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|
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{\*\bkmkend _Toc464560105}
|
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|
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
|
|
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|
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\par {\f11 class CMdaImageDescToBitmapUtility : public CMdaImageUtility
|
|
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|
163 |
\par \tab \{
|
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|
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\par public:
|
|
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|
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\par // Object management
|
|
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|
166 |
\par \tab CFileToBitmap* NewL(MMdaImageUtilObserver& aObserver,
|
|
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|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 CMdaServer* aServer = NULL);
|
|
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|
168 |
\par }\pard \li720\sa120\widctlpar {\f11 void OpenL(const TDesC8& aDescriptor,TMdaClipFormat* aFormat = NULL,
|
|
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|
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\par }\pard \fi720\li720\sa120\widctlpar {\f11 TMdaPackage* aCodec = NULL,TMdaPackage* aExtra = NULL);
|
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|
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\par }\pard \sa120\widctlpar {\f11 \tab void Close();
|
|
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|
171 |
\par // Image conversion
|
|
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|
172 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0);
|
|
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|
173 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
|
|
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|
174 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0);
|
|
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|
175 |
\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL();
|
|
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|
176 |
\par // Image information
|
|
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|
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\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
|
|
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|
178 |
\par \tab virtual TInt FrameCount() const;
|
|
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|
179 |
\par \tab \};
|
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|
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\par }
|
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|
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\par {\*\bkmkstart _Toc464560106}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .3\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28 Bitmap to file
|
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|
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{\*\bkmkend _Toc464560106}
|
|
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|
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
|
|
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|
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\par {\f11 class CMdaImageBitmapToFileUtility : public CMdaImageUtility
|
|
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|
185 |
\par \tab \{
|
|
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|
186 |
\par public:
|
|
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|
187 |
\par // Object management
|
|
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|
188 |
\par \tab CFileToBitmap* NewL(MMdaImageUtilObserver& aObserver,
|
|
sl@0
|
189 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 CMdaServer* aServer = NULL);
|
|
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|
190 |
\par }\pard \fi720\sa120\widctlpar {\f11 void CreateL(const TDesC& aFileName,TMdaClipFormat* aFormat,
|
|
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|
191 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TMdaPackage* aCodec,TMdaPackage* aExtra);
|
|
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|
192 |
\par }\pard \sa120\widctlpar {\f11 \tab void Close();
|
|
sl@0
|
193 |
\par // Image conversion
|
|
sl@0
|
194 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0);
|
|
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|
195 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
|
|
sl@0
|
196 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0);
|
|
sl@0
|
197 |
\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL();
|
|
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|
198 |
\par // Image information
|
|
sl@0
|
199 |
\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
|
|
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|
200 |
\par \tab virtual TInt FrameCount() const;
|
|
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|
201 |
\par \tab \};
|
|
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|
202 |
\par }
|
|
sl@0
|
203 |
\par {\*\bkmkstart _Toc464560107}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .4\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28 Bitmap to descriptor
|
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|
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{\*\bkmkend _Toc464560107}
|
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|
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
|
|
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|
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\par {\f11 class CMdaImageBitmapToDescUtility : public CMdaImageUtility
|
|
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|
207 |
\par \tab \{
|
|
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|
208 |
\par public:
|
|
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|
209 |
\par // Object management
|
|
sl@0
|
210 |
\par \tab CFileToBitmap* NewL(MMdaImageUtilObserver& aObserver,
|
|
sl@0
|
211 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 CMdaServer* aServer = NULL);
|
|
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|
212 |
\par }\pard \fi720\sa120\widctlpar {\f11 void CreateL(HBufC8& aDescriptor,TMdaClipFormat* aFormat,
|
|
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|
213 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TMdaPackage* aCodec,TMdaPackage* aExtra);
|
|
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|
214 |
\par }\pard \sa120\widctlpar {\f11 \tab void Close();
|
|
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|
215 |
\par // Image conversion
|
|
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|
216 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0);
|
|
sl@0
|
217 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
|
|
sl@0
|
218 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0);
|
|
sl@0
|
219 |
\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL();
|
|
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|
220 |
\par // Image information
|
|
sl@0
|
221 |
\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
|
|
sl@0
|
222 |
\par \tab virtual TInt FrameCount() const;
|
|
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|
223 |
\par \tab \};
|
|
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|
224 |
\par }
|
|
sl@0
|
225 |
\par {\*\bkmkstart _Toc464560108}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .5\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28 Bitmap to bitmap
|
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|
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{\*\bkmkend _Toc464560108}
|
|
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|
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\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
|
|
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|
228 |
\par {\f11 class CMdaImageBitmapToBitmapUtility : public CMdaImageUtility
|
|
sl@0
|
229 |
\par \tab \{
|
|
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|
230 |
\par public:
|
|
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|
231 |
\par // Object management
|
|
sl@0
|
232 |
\par \tab CFileToBitmap* NewL(MMdaImageUtilObserver& aObserver,
|
|
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|
233 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 CMdaServer* aServer = NULL);
|
|
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|
234 |
\par }\pard \fi720\sa120\widctlpar {\f11 void OpenL(CFbsBitmap& aBitmap);
|
|
sl@0
|
235 |
\par }\pard \sa120\widctlpar {\f11 \tab void Close();
|
|
sl@0
|
236 |
\par // Image conversion
|
|
sl@0
|
237 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,TInt aFrameNumber = 0);
|
|
sl@0
|
238 |
\par \tab virtual void ConvertL(CFbsBitmap& aBitmap,const TRect& aSourceRect,
|
|
sl@0
|
239 |
\par }\pard \fi720\li720\sa120\widctlpar {\f11 TInt aFrameNumber = 0);
|
|
sl@0
|
240 |
\par }\pard \sa120\widctlpar {\f11 \tab virtual void CancelConvertL();
|
|
sl@0
|
241 |
\par // Image information
|
|
sl@0
|
242 |
\par \tab virtual const TFrameInfo& FrameInfo(TInt aFrame) const;
|
|
sl@0
|
243 |
\par \tab virtual TInt FrameCount() const;
|
|
sl@0
|
244 |
\par \tab \};
|
|
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|
245 |
\par }
|
|
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|
246 |
\par {\*\bkmkstart _Toc464560109}{\pntext\pard\plain\b\fs22\lang2057\kerning28 3. 3 .6\tab}\pard\plain \s3\fi-1151\sb120\sa120\keepn\widctlpar{\*\pn \pnlvl3\pndec\pnqr\pnprev1\pnstart1\pnsp144 {\pntxtb .}}\b\f4\fs22\lang2057\kerning28
|
|
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|
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Asynchronous operation signalling{\*\bkmkend _Toc464560109}
|
|
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|
248 |
\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057
|
|
sl@0
|
249 |
All functions complete immediately but the operations initiated by some are asynchronous. Completion of the operation is signalled by the object calling the appropriate observer function on an instantiation of a class derived from {\f11
|
|
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|
250 |
MMdaImageUtilObserver}:
|
|
sl@0
|
251 |
\par
|
|
sl@0
|
252 |
\par {\f11 class MMdaImageUtilObserver
|
|
sl@0
|
253 |
\par \tab \{
|
|
sl@0
|
254 |
\par public:
|
|
sl@0
|
255 |
\par \tab virtual void MiuoCreateComplete(TInt aError) = 0;
|
|
sl@0
|
256 |
\par \tab virtual void MiuoOpenComplete(TInt aError) = 0;
|
|
sl@0
|
257 |
\par \tab virtual void MiuoConvertComplete(TInt aError) = 0;
|
|
sl@0
|
258 |
\par \tab \};}
|
|
sl@0
|
259 |
\par {\*\bkmkstart _Toc464560110}{\pntext\pard\plain\b\lang2057\kerning28 3. 4\tab}\pard\plain \s2\fi-1151\sb240\sa240\keepn\widctlpar{\*\pn \pnlvl2\pndec\pnqr\pnprev1\pnstart1\pnsp144 }\b\f4\lang2057\kerning28 Image frame information
|
|
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|
260 |
{\*\bkmkend _Toc464560110}
|
|
sl@0
|
261 |
\par \pard\plain \sa120\widctlpar \f4\fs20\lang2057 Image frame information is supplied in a TFrameInfo object:
|
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\par
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\par {\f11 class TFrameInfo
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\par \tab \{
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\par public:
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\par \tab TSize iSizeInPixels;
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\par \tab TSize iSizeInTwips;
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\par \tab TInt iBitsPerPixel;
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\par \tab TBool iColor;
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\par \tab TPoint iOffsetInPixels;
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\par \tab TTimeMicroSeconds iDelay;
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\par \tab \};
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|
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\par }
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\par Image information is available once the {\f11 OpenL()}or {\f11 CreateL()} function has completed successfully.
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\par } |