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Draw zig-zag as a single stroke.

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Bartosz Taudul 2020-02-10 23:34:33 +01:00
parent 06cd57fe6e
commit 5a995d804b
1 changed files with 11 additions and 6 deletions
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17
server/TracyView.cpp
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@ -1807,30 +1807,35 @@ static void DrawZigZag( ImDrawList* draw, const ImVec2& wpos, double start, doub
return;
}
const auto p = wpos + ImVec2( 0.5f, 0.5f );
const auto h05 = round( h * 0.5 );
draw->AddLine( wpos + ImVec2( start, 0 ), wpos + ImVec2( start + h05, -h05 ), color, thickness );
draw->PathLineTo( p + ImVec2( start, 0 ) );
draw->PathLineTo( p + ImVec2( start + h05, -h05 ) );
start += h05;
const auto h2 = h*2;
int steps = int( ( end - start ) / h2 );
while( steps-- )
{
draw->AddLine( wpos + ImVec2( start, -h05 ), wpos + ImVec2( start + h, h05 ), color, thickness );
draw->AddLine( wpos + ImVec2( start + h, h05 ), wpos + ImVec2( start + h2, -h05 ), color, thickness );
draw->PathLineTo( p + ImVec2( start + h, h05 ) );
draw->PathLineTo( p + ImVec2( start + h2, -h05 ) );
start += h2;
}
if( end - start <= h )
{
const auto span = end - start;
draw->AddLine( wpos + ImVec2( start, -h05 ), wpos + ImVec2( start + span, round( span - h*0.5 ) ), color, thickness );
draw->PathLineTo( p + ImVec2( start + span, round( span - h*0.5 ) ) );
}
else
{
draw->AddLine( wpos + ImVec2( start, -h05 ), wpos + ImVec2( start + h, h05 ), color, thickness );
const auto span = end - start - h;
draw->AddLine( wpos + ImVec2( start + h, h05 ), wpos + ImVec2( start + h + span, round( h*0.5 - span ) ), color, thickness );
draw->PathLineTo( p + ImVec2( start + h, h05 ) );
draw->PathLineTo( p + ImVec2( start + h + span, round( h*0.5 - span ) ) );
}
draw->PathStroke( color, false, thickness );
}
static uint32_t GetColorMuted( uint32_t color, bool active )