From d293adbd229ae60428cd2c32d78c9180470924b1 Mon Sep 17 00:00:00 2001
From: Julian Langschaedel <meta.rb@gmail.com>
Date: Fri, 5 May 2017 03:48:31 +0200
Subject: [PATCH] change Dot Size and graph MaxHistoSize calc in AutoHistoSize
 mode

---
 opengl/bookmap/bookmap.go    |  3 ++-
 opengl/bookmap/graph.go      | 10 ++++++++++
 opengl/bookmap/graph_draw.go |  4 ++--
 3 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/opengl/bookmap/bookmap.go b/opengl/bookmap/bookmap.go
index 7acc5e2..0c765d4 100644
--- a/opengl/bookmap/bookmap.go
+++ b/opengl/bookmap/bookmap.go
@@ -143,7 +143,8 @@ func (s *Bookmap) Render() {
 	stats := s.Graph.Book.Book.StateAsStats()
 	statsSlot.Fill(stats)
 	if s.MaxSizeHisto == 0 || s.AutoHistoSize {
-		s.MaxSizeHisto = round(statsSlot.MaxSize/2, 0)
+		//s.MaxSizeHisto = round(statsSlot.MaxSize/2, 0)
+		s.MaxSizeHisto = round(s.Graph.MaxHistoSize()*0.60, 0)
 	}
 
 	s.Graph.DrawTimeslots(gc, x, ((s.Texture.Height - s.RowHeight) / s.RowHeight), s.RowHeight, s.PriceScrollPosition, s.PriceSteps, s.MaxSizeHisto)
diff --git a/opengl/bookmap/graph.go b/opengl/bookmap/graph.go
index 730f0ab..6690636 100644
--- a/opengl/bookmap/graph.go
+++ b/opengl/bookmap/graph.go
@@ -49,6 +49,16 @@ func NewGraph(db *bolt.DB, productID string, width, slotWidth, slotSteps int) *G
 	return g
 }
 
+func (g *Graph) MaxHistoSize() float64 {
+	var max float64
+	for _, slot := range g.Timeslots {
+		if slot.MaxSize > max {
+			max = slot.MaxSize
+		}
+	}
+	return max
+}
+
 func (g *Graph) ClearSlotRows() {
 	for _, slot := range g.Timeslots {
 		slot.Rows = make([]*TimeSlotRow, 0, len(slot.Rows))
diff --git a/opengl/bookmap/graph_draw.go b/opengl/bookmap/graph_draw.go
index ebe9c0b..e85457b 100644
--- a/opengl/bookmap/graph_draw.go
+++ b/opengl/bookmap/graph_draw.go
@@ -46,7 +46,7 @@ func (g *Graph) DrawTradeDots(gc *draw2dimg.GraphicContext, x, rowHeight, priceP
 		angle := 360 * (math.Pi / 180.0)
 
 		xx := (cx + (float64(g.SlotWidth) / 2))
-		t := (slot.AskTradeSize / (maxSizeHisto / 2))
+		t := (slot.AskTradeSize / (maxSizeHisto * 0.8))
 		if t > 1.0 {
 			t = 1.0
 		}
@@ -76,7 +76,7 @@ func (g *Graph) DrawTradeDots(gc *draw2dimg.GraphicContext, x, rowHeight, priceP
 		angle := 360 * (math.Pi / 180.0)
 
 		xx := (cx + (float64(g.SlotWidth) / 2))
-		t := (slot.AskTradeSize / (maxSizeHisto / 2))
+		t := (slot.BidTradeSize / (maxSizeHisto * 0.8))
 		if t > 1.0 {
 			t = 1.0
 		}