📄 graph.cpp
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pDC->TextOut(xApexPoint - (xAxisWidth / 2) - (xAxisLabelLength * charWidth) - 5, tickYLocation - (tm.tmHeight / 2), tickLabel);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
}
else
{
//scatter graphs will use the same tick marking on both axis lines
int oldNumTicks;
oldNumTicks = numTicks;
numTicks /= 2;
for(y = 0; y <= numTicks; y++)
{
tickScale = (yAxisHeight - 10) / numTicks;
tickYLocation = yApexPoint - (int)(y * tickScale);
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel.Format("%d", (y * tickSpace));
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
pDC->TextOut(xApexPoint - (xAxisWidth / 2) - (tickLabel.GetLength() * (yTickFontSize / 2)) - 6, tickYLocation - 6, tickLabel);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
}
numTicks = oldNumTicks;
}
//draw X axis tick marks
tickScale = (xAxisWidth - 10) / numTicks;
for(x = 0; x <= numTicks / 2; x++)
{
tickXLocation = xApexPoint - (xAxisWidth / 2) + (int)(x * tickScale) + 5;
if(!inRedraw)
{
pDC->MoveTo(tickXLocation,yApexPoint - 3);
pDC->LineTo(tickXLocation,yApexPoint + 3);
if(graphHasGridLines)
{
//draw grid lines
COLORREF gridLineColor;
gridLineColor = DARK_GREY;
CPen gridPen (PS_SOLID, 1, gridLineColor);
CPen* pOldPen;
pOldPen = pDC->SelectObject(&gridPen);
pDC->MoveTo(tickXLocation, yApexPoint - yAxisHeight);
pDC->LineTo(tickXLocation, yApexPoint);
pDC->SelectObject(pOldPen);
}
//draw tick label
CString tickLabel;
tickLabel.Format("%d", minTick + (x * tickSpace));
if(!xAxisAlign) //horizontal
{
CFont xFont;
xFont.CreateFont(xTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&xFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(tickXLocation - ((tickLabel.GetLength() * charWidth) / 2), yApexPoint + 8, tickLabel);
pDC->SelectObject(pOldFont);
}
else
{
CFont sideFont2;
sideFont2.CreateFont(xTickFontSize, 0, (xAxisAlign * 10), 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&sideFont2);
pDC->GetTextMetrics(&tm);
charWidth = tm.tmAveCharWidth;
if(xAxisAlign < 180)
pDC->TextOut(tickXLocation - 8, yApexPoint + 8 + (xAxisLabelLength * charWidth), tickLabel);
else
pDC->TextOut(tickXLocation + 2, yApexPoint + 8, tickLabel);
pDC->SelectObject(pOldFont);
}
}
rightXTick = tickXLocation;
}
//draw the 0 location
tickXLocation = xApexPoint - (xAxisWidth / 2) + (int)(x * tickScale);
if(!inRedraw)
{
//draw tick label
if(!xAxisAlign) //horizontal
{
CFont xFont;
xFont.CreateFont(xTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&xFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(tickXLocation - (charWidth / 2), yApexPoint + 8, "0");
pDC->SelectObject(pOldFont);
}
else
{
CFont sideFont2;
sideFont2.CreateFont(xTickFontSize, 0, (xAxisAlign * 10), 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&sideFont2);
pDC->GetTextMetrics(&tm);
charWidth = tm.tmAveCharWidth;
if(xAxisAlign < 180)
pDC->TextOut(tickXLocation - 8, yApexPoint + 8 + (xAxisLabelLength * charWidth), "0");
else
pDC->TextOut(tickXLocation + 2, yApexPoint + 8, "0");
pDC->SelectObject(pOldFont);
}
}
for(; x <= numTicks; x++)
{
tickXLocation = xApexPoint - (xAxisWidth / 2) + (int)(x * tickScale);
pDC->MoveTo(tickXLocation,yApexPoint - 3);
pDC->LineTo(tickXLocation,yApexPoint + 3);
if(!inRedraw)
{
if(graphHasGridLines)
{
//draw grid lines
COLORREF gridLineColor;
gridLineColor = DARK_GREY;
CPen gridPen (PS_SOLID, 1, gridLineColor);
CPen* pOldPen;
pOldPen = pDC->SelectObject(&gridPen);
pDC->MoveTo(tickXLocation, yApexPoint - yAxisHeight);
pDC->LineTo(tickXLocation, yApexPoint);
pDC->SelectObject(pOldPen);
}
//draw tick label
CString tickLabel;
tickLabel.Format("%d", minTick + (x * tickSpace));
if(!xAxisAlign) //horizontal
{
CFont xFont;
xFont.CreateFont(xTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&xFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(tickXLocation - ((tickLabel.GetLength() * charWidth) / 2), yApexPoint + 8, tickLabel);
pDC->SelectObject(pOldFont);
}
else
{
CFont sideFont2;
sideFont2.CreateFont(xTickFontSize, 0, (xAxisAlign * 10), 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&sideFont2);
pDC->GetTextMetrics(&tm);
charWidth = tm.tmAveCharWidth;
if(xAxisAlign < 180)
pDC->TextOut(tickXLocation - 8, yApexPoint + 8 + (xAxisLabelLength * charWidth), tickLabel);
else
pDC->TextOut(tickXLocation + 2, yApexPoint + 8, tickLabel);
pDC->SelectObject(pOldFont);
}
}
rightXTick = tickXLocation;
}
break;
case 3 :
pDC->TextOut(10, yApexPoint - (axisYLabel.GetLength() / 2), axisXLabel);
pDC->SelectObject(&axisFont);
pDC->GetTextMetrics(&tm);
charWidth = tm.tmAveCharWidth;
labelHeight = tm.tmHeight + 10;
if(axisYLabel.GetLength() == 0)
labelHeight = 0;
pDC->TextOut(xApexPoint + (xAxisWidth / 2) - ((axisXLabel.GetLength() / 2) * charWidth), maxHeight - 5 - 6, axisYLabel);
pDC->SelectObject(pOldFont);
//to allow scalability (height may be less than tickRange)
tickScale = 0.00;
seriesSpace = yAxisHeight / graphSeries->GetCount();
//draw y axis ticks
if(graphType != SCATTER_GRAPH)
{
tickScale = (yAxisHeight - 10) / seriesSize;
POSITION pos;
pos = graphSeries->GetHeadPosition();
CGraphSeries* tmpSeries;
for(y = 1; y <= graphSeries->GetCount() / 2; y++)
{
tmpSeries = (CGraphSeries*)graphSeries->GetNext(pos);
tickYLocation = yApexPoint - (yAxisHeight / 2) + ((y * seriesSpace) - (seriesSpace / 2));
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel = tmpSeries->GetLabel();
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FIXED_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(xApexPoint - 5 - (tickLabel.GetLength() * (yTickFontSize / 2)), tickYLocation - 6, tickLabel);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
}
//draw the 0 location
tmpSeries = (CGraphSeries*)graphSeries->GetNext(pos);
tickYLocation = yApexPoint;
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel = tmpSeries->GetLabel();
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FIXED_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(xApexPoint - 5 - (tickLabel.GetLength() * (yTickFontSize / 2)), tickYLocation - 6, tickLabel);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
y++;
for(; y <= graphSeries->GetCount(); y++)
{
tmpSeries = (CGraphSeries*)graphSeries->GetNext(pos);
tickYLocation = yApexPoint - (yAxisHeight / 2) + ((y * seriesSpace) - (seriesSpace / 2));
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel = tmpSeries->GetLabel();
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, FIXED_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
charWidth = tm.tmAveCharWidth;
pDC->TextOut(xApexPoint - 5 - (tickLabel.GetLength() * (yTickFontSize / 2)), tickYLocation - 6, tickLabel);
}
topYTick = tickYLocation;
pDC->SelectObject(pOldFont);
}
}
else
{
//scatter graphs will use the same tick marking on both axis lines
for(y = 0; y < numTicks / 2; y++)
{
tickScale = (yAxisHeight - 10) / numTicks;
tickYLocation = yApexPoint - (yAxisHeight / 2) + (int)(y * tickScale) + 5;
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel.Format("%d", maxTick - (y * tickSpace));
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
pDC->TextOut(xApexPoint - (tickLabel.GetLength() * (yTickFontSize / 2)) - 8, tickYLocation - 6, tickLabel);
pDC->SelectObject(pOldFont);
}
}
//draw the 0 location
tickYLocation = yApexPoint;
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
pDC->TextOut(xApexPoint - (yTickFontSize / 2) - 8, tickYLocation - 6, "0");
pDC->SelectObject(pOldFont);
}
y++;
for(; y <= numTicks; y++)
{
tickScale = (yAxisHeight - 10) / numTicks;
tickYLocation = yApexPoint - (yAxisHeight / 2) + (int)(y * tickScale) + 5;
//draw tick mark
pDC->MoveTo(xApexPoint - 3, tickYLocation);
pDC->LineTo(xApexPoint + 3, tickYLocation);
if(!inRedraw)
{
//draw tick label
CString tickLabel;
tickLabel.Format("%d", maxTick - (y * tickSpace));
CFont yFont;
yFont.CreateFont(yTickFontSize, 0, 0, 0, 700, FALSE, FALSE, 0,
ANSI_CHARSET, OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY, DEFAULT_PITCH | FF_ROMAN,"Arial");
pDC->SelectObject(&yFont);
pDC->TextOut(xApexPoint - (tickLabel.GetLength() * (yTickFontSize / 2)) - 5, tickYLocation - 6, tickLabel);
pDC->SelectObject(pOldFont);
}
topYTick = tickYLocation;
}
}
//draw X axis tick marks
int oldNumTicks;
oldNumTicks = numTicks;
numTicks /= 2;
tickScale = (xAxisWidth - 10) / numTicks;
for(x = 0; x <= numTicks; x++)
{
tickXLocation = xApexPoint + (int)(x * tickScale);
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