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Add heuristic to match predicted rendition based on char to the left

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This commit is contained in:
Keith Winstein
2012-08-13 10:56:50 -04:00
parent 5376ed1996
commit 63e66e9855
1 changed files with 12 additions and 0 deletions
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src/frontend/terminaloverlay.cc
+12
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@@ -742,6 +742,18 @@ void PredictionEngine::new_user_byte( char the_byte, const Framebuffer &fb )
cell.tentative_until_epoch = prediction_epoch; cell.tentative_until_epoch = prediction_epoch;
cell.expire( local_frame_sent + 1, now ); cell.expire( local_frame_sent + 1, now );
cell.replacement.renditions = fb.ds.get_renditions(); cell.replacement.renditions = fb.ds.get_renditions();
/* heuristic: match renditions of character to the left */
if ( cursor().col > 0 ) {
ConditionalOverlayCell &prev_cell = the_row.overlay_cells[ cursor().col - 1 ];
const Cell *prev_cell_actual = fb.get_cell( cursor().row, cursor().col - 1 );
if ( prev_cell.active && (!prev_cell.unknown) ) {
cell.replacement.renditions = prev_cell.replacement.renditions;
} else {
cell.replacement.renditions = prev_cell_actual->renditions;
}
}
cell.replacement.contents.clear(); cell.replacement.contents.clear();
cell.replacement.contents.push_back( ch ); cell.replacement.contents.push_back( ch );
cell.original_contents.push_back( *fb.get_cell( cursor().row, cursor().col ) ); cell.original_contents.push_back( *fb.get_cell( cursor().row, cursor().col ) );