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Scale engine: fixed tick text size calculation

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This commit is contained in:
f4exb 2018-05-07 11:33:42 +02:00
parent c786e3f6f9
commit 8102d0ed08
2 changed files with 9 additions and 6 deletions
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13
sdrgui/gui/scaleengine.cpp
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@ -281,7 +281,7 @@ double ScaleEngine::calcMajorTickUnits(double distance, int* retDecimalPlaces)
return sign * base * pow(10.0, exponent);
}
int ScaleEngine::calcTickTextSize()
int ScaleEngine::calcTickTextSize(double distance)
{
int tmp;
int tickLen;
@ -295,7 +295,7 @@ int ScaleEngine::calcTickTextSize()
if(tmp > tickLen)
tickLen = tmp;
calcMajorTickUnits((m_rangeMax - m_rangeMin) / m_scale, &decimalPlaces);
calcMajorTickUnits(distance, &decimalPlaces);
return tickLen + decimalPlaces + 1;
}
@ -356,21 +356,24 @@ void ScaleEngine::reCalc()
rangeMinScaled = m_rangeMin / m_scale;
rangeMaxScaled = m_rangeMax / m_scale;
if(m_orientation == Qt::Vertical) {
if(m_orientation == Qt::Vertical)
{
maxNumMajorTicks = (int)(m_size / (fontMetrics.lineSpacing() * 1.3f));
m_majorTickValueDistance = calcMajorTickUnits((rangeMaxScaled - rangeMinScaled) / maxNumMajorTicks, &m_decimalPlaces);
}
else
{
majorTickSize = (calcTickTextSize() + 2) * m_charSize * 1.2f;
majorTickSize = (calcTickTextSize((rangeMaxScaled - rangeMinScaled) / 20) + 2) * m_charSize;
if(majorTickSize != 0.0) {
maxNumMajorTicks = (int)(m_size / majorTickSize);
} else {
maxNumMajorTicks = 20;
}
m_majorTickValueDistance = calcMajorTickUnits((rangeMaxScaled - rangeMinScaled) / maxNumMajorTicks, &m_decimalPlaces);
}
m_majorTickValueDistance = calcMajorTickUnits((rangeMaxScaled - rangeMinScaled) / maxNumMajorTicks, &m_decimalPlaces);
numMajorTicks = (int)((rangeMaxScaled - rangeMinScaled) / m_majorTickValueDistance);
if(numMajorTicks == 0) {

2
sdrgui/gui/scaleengine.h
View File

@ -62,7 +62,7 @@ private:
void calcCharSize();
void calcScaleFactor();
double calcMajorTickUnits(double distance, int* retDecimalPlaces);
int calcTickTextSize();
int calcTickTextSize(double distance);
void forceTwoTicks();
void reCalc();