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Draw zig-zag in place of invisible (too small) frames.

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This commit is contained in:
Bartosz Taudul 2018-08-04 23:11:47 +02:00
parent bf475a4cc2
commit 9cd6932b13
1 changed files with 73 additions and 31 deletions
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104
server/TracyView.cpp
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@ -986,6 +986,34 @@ bool View::DrawZoneFramesHeader()
return hover; return hover;
} }
static void DrawZigZag( ImDrawList* draw, const ImVec2& wpos, double start, double end, double h, uint32_t color )
{
int mode = 0;
while( start < end )
{
double step = std::min( end - start, mode == 0 ? h/2 : h );
switch( mode )
{
case 0:
draw->AddLine( wpos + ImVec2( start, 0 ), wpos + ImVec2( start + step, round( -step ) ), color );
mode = 1;
break;
case 1:
draw->AddLine( wpos + ImVec2( start, round( -h/2 ) ), wpos + ImVec2( start + step, round( step - h/2 ) ), color );
mode = 2;
break;
case 2:
draw->AddLine( wpos + ImVec2( start, round( h/2 ) ), wpos + ImVec2( start + step, round( h/2 - step ) ), color );
mode = 1;
break;
default:
assert( false );
break;
};
start += step;
}
}
bool View::DrawZoneFrames( const FrameData& frames ) bool View::DrawZoneFrames( const FrameData& frames )
{ {
const auto wpos = ImGui::GetCursorScreenPos(); const auto wpos = ImGui::GetCursorScreenPos();
@ -1005,6 +1033,8 @@ bool View::DrawZoneFrames( const FrameData& frames )
const std::pair <int, int> zrange = m_worker.GetFrameRange( frames, m_zvStart, m_zvEnd ); const std::pair <int, int> zrange = m_worker.GetFrameRange( frames, m_zvStart, m_zvEnd );
if( zrange.first < 0 ) return hover; if( zrange.first < 0 ) return hover;
int64_t prev = -1;
for( int i = zrange.first; i < zrange.second; i++ ) for( int i = zrange.first; i < zrange.second; i++ )
{ {
const auto ftime = m_worker.GetFrameTime( frames, i ); const auto ftime = m_worker.GetFrameTime( frames, i );
@ -1026,45 +1056,57 @@ bool View::DrawZoneFrames( const FrameData& frames )
} }
} }
if( fsz <= 4 ) continue; if( fsz < 5 )
{
if( prev == -1 ) prev = fbegin;
continue;
}
if( prev != -1 )
{
DrawZigZag( draw, wpos + ImVec2( 0, round( ty / 2 ) ), ( prev - m_zvStart ) * pxns, ( fbegin - m_zvStart ) * pxns, ty / 4, 0xFF888888 );
prev = -1;
}
if( fbegin >= m_zvStart && m_frames == &frames ) if( fbegin >= m_zvStart && m_frames == &frames )
{ {
draw->AddLine( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns, 0 ), wpos + ImVec2( ( fbegin - m_zvStart ) * pxns, wh ), 0x22FFFFFF ); draw->AddLine( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns, 0 ), wpos + ImVec2( ( fbegin - m_zvStart ) * pxns, wh ), 0x22FFFFFF );
} }
if( fsz >= 5 ) auto buf = GetFrameText( frames, i, ftime, m_worker.GetFrameOffset() );
auto tx = ImGui::CalcTextSize( buf ).x;
uint32_t color = ( frames.name == 0 && i == 0 ) ? 0xFF4444FF : 0xFFFFFFFF;
if( fsz - 5 <= tx )
{ {
auto buf = GetFrameText( frames, i, ftime, m_worker.GetFrameOffset() ); buf = TimeToString( ftime );
auto tx = ImGui::CalcTextSize( buf ).x; tx = ImGui::CalcTextSize( buf ).x;
uint32_t color = ( frames.name == 0 && i == 0 ) ? 0xFF4444FF : 0xFFFFFFFF;
if( fsz - 5 <= tx )
{
buf = TimeToString( ftime );
tx = ImGui::CalcTextSize( buf ).x;
}
if( fbegin >= m_zvStart )
{
draw->AddLine( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2, 1 ), wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2, ty - 1 ), color );
}
if( fend <= m_zvEnd )
{
draw->AddLine( wpos + ImVec2( ( fend - m_zvStart ) * pxns - 2, 1 ), wpos + ImVec2( ( fend - m_zvStart ) * pxns - 2, ty - 1 ), color );
}
if( fsz - 5 > tx )
{
const auto part = ( fsz - 5 - tx ) / 2;
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fbegin - m_zvStart ) * pxns + part ), round( ty / 2 ) ), color );
draw->AddText( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2 + part, 0 ), color, buf );
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 + part + tx ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fend - m_zvStart ) * pxns - 2 ), round( ty / 2 ) ), color );
}
else
{
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fend - m_zvStart ) * pxns - 2 ), round( ty / 2 ) ), color );
}
} }
if( fbegin >= m_zvStart )
{
draw->AddLine( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2, 1 ), wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2, ty - 1 ), color );
}
if( fend <= m_zvEnd )
{
draw->AddLine( wpos + ImVec2( ( fend - m_zvStart ) * pxns - 2, 1 ), wpos + ImVec2( ( fend - m_zvStart ) * pxns - 2, ty - 1 ), color );
}
if( fsz - 5 > tx )
{
const auto part = ( fsz - 5 - tx ) / 2;
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fbegin - m_zvStart ) * pxns + part ), round( ty / 2 ) ), color );
draw->AddText( wpos + ImVec2( ( fbegin - m_zvStart ) * pxns + 2 + part, 0 ), color, buf );
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 + part + tx ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fend - m_zvStart ) * pxns - 2 ), round( ty / 2 ) ), color );
}
else
{
draw->AddLine( wpos + ImVec2( std::max( -10.0, ( fbegin - m_zvStart ) * pxns + 2 ), round( ty / 2 ) ), wpos + ImVec2( std::min( w + 20.0, ( fend - m_zvStart ) * pxns - 2 ), round( ty / 2 ) ), color );
}
}
if( prev != -1 )
{
DrawZigZag( draw, wpos + ImVec2( 0, round( ty / 2 ) ), ( prev - m_zvStart ) * pxns, ( m_worker.GetFrameBegin( frames, zrange.second-1 ) - m_zvStart ) * pxns, ty / 4, 0xFF888888 );
prev = -1;
} }
const auto fend = m_worker.GetFrameEnd( frames, zrange.second-1 ); const auto fend = m_worker.GetFrameEnd( frames, zrange.second-1 );