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Fixed #1238 Pie chart not always complete

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This commit is contained in:
Magne Sjaastad 2017-02-21 14:44:18 +01:00
parent c76078bd6b
commit 0b806c7664
1 changed files with 9 additions and 2 deletions
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11
ThirdParty/nightcharts/nightcharts.cpp vendored
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@ -37,7 +37,13 @@ Nightcharts::Nightcharts()//QPainter *painter)
lX = cX+cW+20; lX = cX+cW+20;
lY = cY; lY = cY;
shadows = true; shadows = true;
// NOTE: This value is accumulated, and might end up with overflow
// Was originally uninitialized, and caused overflow issues and invalid drawing when running debug
// Suggest rewrite and use locally defined aggregatedAngle (see below for usage)
palpha = 0.0;
} }
Nightcharts::~Nightcharts() Nightcharts::~Nightcharts()
{ {
pieces.clear(); pieces.clear();
@ -143,6 +149,7 @@ int Nightcharts::draw(QPainter *painter)
QPen pen; QPen pen;
pen.setWidth(2); pen.setWidth(2);
double aggregatedAngle = 0.0;
for (int i=0;i<pieces.size();i++) for (int i=0;i<pieces.size();i++)
{ {
gradient.setColorAt(0,pieces[i].rgbColor); gradient.setColorAt(0,pieces[i].rgbColor);
@ -155,8 +162,8 @@ int Nightcharts::draw(QPainter *painter)
pen.setColor(pieces[i].rgbColor); pen.setColor(pieces[i].rgbColor);
painter->setPen(pen); painter->setPen(pen);
pdegree = 3.6*pieces[i].pPerc; pdegree = 3.6*pieces[i].pPerc;
painter->drawPie(cX,cY,cW,cH,palpha*16,pdegree*16); painter->drawPie(cX,cY,cW,cH,aggregatedAngle*16,pdegree*16);
palpha += pdegree; aggregatedAngle += pdegree;
} }
} }
else if (this->ctype==Nightcharts::Dpie) else if (this->ctype==Nightcharts::Dpie)