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<p class="MsoNormal"><span style="font-size:12.0pt">Hi All,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">I am using Harfbuzz 1.7.6 for Indic languages in my application but failed to get correct result from hb_shape API for all MAC default Indic MT and MN fonts like- Devanagari MT and Devanagari Sangam MN fonts.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">e.g- Input buffer is-<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> </span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">प</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">त</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">्</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">र</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">क</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ा</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">र</span><span lang="HI" style="font-size:12.0pt">
</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">द</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ि</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">स</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ं</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ब</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">र</span><span lang="HI" style="font-size:12.0pt">
</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">स</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">े</span><span lang="HI" style="font-size:12.0pt">
</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">म</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">य</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ा</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ं</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">म</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">ा</span><span lang="HI" style="font-size:12.0pt">+</span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">र</span><span lang="HI" style="font-size:12.0pt">
</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> <o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Resulting output is- <o:p></o:p></span></p>
<p class="MsoNormal"><!--[if gte vml 1]><v:shapetype id="_x0000_t75" coordsize="21600,21600" o:spt="75" o:preferrelative="t" path="m@4@5l@4@11@9@11@9@5xe" filled="f" stroked="f">
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<v:f eqn="prod @3 21600 pixelWidth" />
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<v:f eqn="sum @0 0 1" />
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<v:f eqn="sum @10 21600 0" />
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<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">whereas it should be like- <o:p>
</o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"> </span><span lang="HI" style="font-size:12.0pt;font-family:"Mangal","serif"">पत्रकार दिसंबर से मयांमार</span><span style="font-size:12.0pt"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">It seems that issue is in glyph substitution and glyph positioning.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Similar issue is also in Chrome if we render the above text with these fonts but it is rendering fine in application like- MAC TextEdit</span><span style="font-size:12.0pt"> and Safari</span><span style="font-size:12.0pt">
with these fonts.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Kindly suggest whether the issue is in hb_shape API or in the fonts or I have to do something at my end to get desire result.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Thanks,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt">Vijendra Singh<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:12.0pt"><o:p> </o:p></span></p>
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