* src/base/ftobjs.c (ft_glyphslot_reset_bimap): Further tweak.
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@ -1,3 +1,7 @@
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2018-09-20 Alexei Podtelezhnikov <apodtele@gmail.com>
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* src/base/ftobjs.c (ft_glyphslot_reset_bimap): Further tweak.
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2018-09-21 Ben Wagner <bungeman@google.com>
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2018-09-21 Ben Wagner <bungeman@google.com>
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Improve auto-hinter handling of bitmap fonts (#54681).
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Improve auto-hinter handling of bitmap fonts (#54681).
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@ -395,15 +395,18 @@
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/* undocumented but confirmed: bbox values get rounded; */
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/* undocumented but confirmed: bbox values get rounded; */
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/* for narrow glyphs bbox is extended to one pixel first */
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/* for narrow glyphs bbox is extended to one pixel first */
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if ( pbox.xMax - pbox.xMin <= 1 )
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switch ( pbox.xMax - pbox.xMin )
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{
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{
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if ( pbox.xMax - pbox.xMin == 0 )
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case 1:
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pbox.xMax -= 1;
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cbox.xMax += 64;
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/* fall through */
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case 0:
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if ( cbox.xMax - cbox.xMin < 63 )
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{
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{
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cbox.xMin = ( cbox.xMin + cbox.xMax ) / 2 - 32;
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cbox.xMin = ( cbox.xMin + cbox.xMax ) / 2 - 31;
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cbox.xMax = cbox.xMin + 64;
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cbox.xMax = cbox.xMin + 63;
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}
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}
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else if ( cbox.xMax - cbox.xMin < 0 )
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cbox.xMin = cbox.xMax = ( cbox.xMin + cbox.xMax ) / 2;
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}
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}
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/* we do asymmetric rounding so that the center */
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/* we do asymmetric rounding so that the center */
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@ -414,15 +417,18 @@
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/* y */
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/* y */
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if ( pbox.yMax - pbox.yMin <= 1 )
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switch ( pbox.yMax - pbox.yMin )
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{
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{
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if ( pbox.yMax - pbox.yMin == 0 )
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case 1:
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pbox.yMax -= 1;
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cbox.yMax += 64;
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/* fall through */
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case 0:
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if ( cbox.yMax - cbox.yMin < 63 )
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{
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{
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cbox.yMin = ( cbox.yMin + cbox.yMax ) / 2 - 32;
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cbox.yMin = ( cbox.yMin + cbox.yMax ) / 2 - 31;
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cbox.yMax = cbox.yMin + 64;
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cbox.yMax = cbox.yMin + 63;
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}
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}
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else if ( cbox.yMax - cbox.yMin < 0 )
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cbox.yMin = cbox.yMax = ( cbox.yMin + cbox.yMax ) / 2;
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}
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}
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pbox.yMin += ( cbox.yMin + 31 ) >> 6;
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pbox.yMin += ( cbox.yMin + 31 ) >> 6;
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