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Model renditions explicitly -- 25% speedup

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This commit is contained in:
Keith Winstein
2011-02-05 18:09:19 -05:00
parent 2f964f80f4
commit e0065bfe5c
7 changed files with 92 additions and 90 deletions
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terminaldisplay.cpp
+6 -18
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@@ -39,11 +39,10 @@ std::string Display::new_frame( Framebuffer &f )
|| (f.ds.get_width() != last_frame.ds.get_width())
|| (f.ds.get_height() != last_frame.ds.get_height()) ) {
/* clear screen */
screen.append( "\033[0m;\033[H\033[2J" );
screen.append( "\033[0m\033[H\033[2J" );
initialized = false;
cursor_was_moved = true;
current_renditions.clear();
current_renditions.push_back( 0 );
current_rendition_string = "\033[0m";
}
int cursor_x = -1, cursor_y = -1;
@@ -69,23 +68,12 @@ std::string Display::new_frame( Framebuffer &f )
cursor_x = x;
cursor_y = y;
std::list<int> cell_print_renditions;
cell_print_renditions = cell->renditions;
cell_print_renditions.insert( cell_print_renditions.begin(), 0 );
std::string rendition_str = cell->renditions.sgr();
if ( cell_print_renditions != current_renditions ) {
if ( current_rendition_string != rendition_str ) {
/* print renditions */
screen.append( "\033[0" );
char rendition[ 32 ];
for ( std::list<int>::iterator i = cell->renditions.begin();
i != cell->renditions.end();
i++ ) {
snprintf( rendition, 32, ";%d", *i );
screen.append( rendition );
}
screen.append( "m" );
current_renditions = cell_print_renditions;
screen.append( rendition_str );
current_rendition_string = rendition_str;
}
if ( cell->contents.empty() ) {