From 721a818dcc567409ca4b5910425aa0c1d6ff49a6 Mon Sep 17 00:00:00 2001
From: Bartosz Taudul <wolf.pld@gmail.com>
Date: Fri, 10 May 2019 02:27:42 +0200
Subject: [PATCH] Visual transition of error bars and collection cost markers.

---
 server/TracyView.cpp | 46 ++++++++++++++++++++++++++++++++------------
 1 file changed, 34 insertions(+), 12 deletions(-)

diff --git a/server/TracyView.cpp b/server/TracyView.cpp
index 7754dda9..fda6690f 100644
--- a/server/TracyView.cpp
+++ b/server/TracyView.cpp
@@ -2436,20 +2436,42 @@ int View::DrawZoneLevel( const Vector<ZoneEvent*>& vec, bool hover, double pxns,
             const auto px1 = std::max( { std::min( pr1, double( w + 10 ) ), px0 + pxns * 0.5, px0 + MinVisSize } );
             draw->AddRectFilled( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), color );
             draw->AddRect( wpos + ImVec2( px0, offset ), wpos + ImVec2( px1, offset + tsz.y ), GetZoneHighlight( ev, migration ), 0.f, -1, GetZoneThickness( ev ) );
-            if( dsz * dmul >= MinVisSize )
+            if( dsz * dmul > MinVisSize )
             {
-                draw->AddRectFilled( wpos + ImVec2( pr0, offset ), wpos + ImVec2( std::min( pr0+dsz*dmul, pr1 ), offset + tsz.y ), 0x882222DD );
-                draw->AddRectFilled( wpos + ImVec2( pr1, offset ), wpos + ImVec2( pr1+dsz, offset + tsz.y ), 0x882222DD );
-            }
-            if( rsz >= MinVisSize )
-            {
-                draw->AddLine( wpos + ImVec2( pr0 + rsz, offset + round( tsz.y/2 ) ), wpos + ImVec2( pr0 - rsz, offset + round( tsz.y/2 ) ), 0xAAFFFFFF );
-                draw->AddLine( wpos + ImVec2( pr0 + rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr0 + rsz, offset + round( 3*tsz.y/4 ) ), 0xAAFFFFFF );
-                draw->AddLine( wpos + ImVec2( pr0 - rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr0 - rsz, offset + round( 3*tsz.y/4 ) ), 0xAAFFFFFF );
+                const auto diff = dsz * dmul - MinVisSize;
+                uint32_t color;
+                if( diff < 1 )
+                {
+                    color = ( uint32_t( diff * 0x88 ) << 24 ) | 0x2222DD;
+                }
+                else
+                {
+                    color = 0x882222DD;
+                }
 
-                draw->AddLine( wpos + ImVec2( pr1 + rsz, offset + round( tsz.y/2 ) ), wpos + ImVec2( pr1 - rsz, offset + round( tsz.y/2 ) ), 0xAAFFFFFF );
-                draw->AddLine( wpos + ImVec2( pr1 + rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr1 + rsz, offset + round( 3*tsz.y/4 ) ), 0xAAFFFFFF );
-                draw->AddLine( wpos + ImVec2( pr1 - rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr1 - rsz, offset + round( 3*tsz.y/4 ) ), 0xAAFFFFFF );
+                draw->AddRectFilled( wpos + ImVec2( pr0, offset ), wpos + ImVec2( std::min( pr0+dsz*dmul, pr1 ), offset + tsz.y ), color );
+                draw->AddRectFilled( wpos + ImVec2( pr1, offset ), wpos + ImVec2( pr1+dsz, offset + tsz.y ), color );
+            }
+            if( rsz > MinVisSize )
+            {
+                const auto diff = rsz - MinVisSize;
+                uint32_t color;
+                if( diff < 1 )
+                {
+                    color = ( uint32_t( diff * 0xAA ) << 24 ) | 0xFFFFFF;
+                }
+                else
+                {
+                    color = 0xAAFFFFFF;
+                }
+
+                draw->AddLine( wpos + ImVec2( pr0 + rsz, offset + round( tsz.y/2 ) ), wpos + ImVec2( pr0 - rsz, offset + round( tsz.y/2 ) ), color );
+                draw->AddLine( wpos + ImVec2( pr0 + rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr0 + rsz, offset + round( 3*tsz.y/4 ) ), color );
+                draw->AddLine( wpos + ImVec2( pr0 - rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr0 - rsz, offset + round( 3*tsz.y/4 ) ), color );
+
+                draw->AddLine( wpos + ImVec2( pr1 + rsz, offset + round( tsz.y/2 ) ), wpos + ImVec2( pr1 - rsz, offset + round( tsz.y/2 ) ), color );
+                draw->AddLine( wpos + ImVec2( pr1 + rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr1 + rsz, offset + round( 3*tsz.y/4 ) ), color );
+                draw->AddLine( wpos + ImVec2( pr1 - rsz, offset + round( tsz.y/4 ) ), wpos + ImVec2( pr1 - rsz, offset + round( 3*tsz.y/4 ) ), color );
             }
             if( tsz.x < zsz )
             {