internal void DrawHourMinuteLabels(Graphics g, GraphPane pane, MinorTic tic, MinorGrid grid, bool drawGrid,
float topPix, float rightPix, float shift, float scaleFactor)
{
XDate xStartInterval = new XDate(_minLinTemp);
DateTime dtStartInterval = xStartInterval.DateTime;
DateTime dtEndInterval;
string labelText = "24:00";
SizeF labelBox = _fontSpec.BoundingBox(g, labelText, scaleFactor);
float labelWidth = labelBox.Width + 4;
float labelWidthHalf = labelWidth / 2;
float scaledTic = tic.ScaledTic(scaleFactor);
float textVerticalCenter = GetTextVerticalCenter(g, pane, scaledTic, labelBox.Height, shift, scaleFactor);
double dStartInterval, dEndInterval;
float pStartInterval, pEndInterval, pIntervalWidth;
int year = dtStartInterval.Year;
int month = dtStartInterval.Month;
int day = dtStartInterval.Day;
int hour = dtStartInterval.Hour;
int minute = dtStartInterval.Minute;
int second = dtStartInterval.Second;
dtStartInterval = new DateTime(year, month, day, 0, 0, 0);
dStartInterval = dtStartInterval.ToOADate();
pStartInterval = LocalTransform(dStartInterval);
dtEndInterval = dtStartInterval.AddMinutes(1);
dEndInterval = dtEndInterval.ToOADate();
pEndInterval = LocalTransform(dEndInterval);
pIntervalWidth = pEndInterval - pStartInterval;
int minutesPerLabel = RoundNumber((int)Math.Ceiling(labelWidth / pIntervalWidth), roundMinutes);
dtEndInterval = dtStartInterval.AddMinutes(minutesPerLabel);
dEndInterval = dtEndInterval.ToOADate();
while (dStartInterval < _maxLinTemp)
{
int minutesHours = hour * 60 + minute;
dtEndInterval = dtStartInterval.AddMinutes(minutesPerLabel);
dEndInterval = dtEndInterval.ToOADate();
TruncateIntervalDrawTicGrid(g, pane, topPix, tic, grid, drawGrid, shift, scaleFactor, scaledTic,
ref dStartInterval, ref dEndInterval, out pStartInterval, out pEndInterval, out pIntervalWidth);
//if label will not extend beyond left or right edge of this axis, draw it
if (!drawGrid && this.IsVisible && (pStartInterval - labelWidthHalf > 0) &&
(pStartInterval + labelWidthHalf) < rightPix)
{
labelText = hour.ToString() + ":" + ((minute < 10) ? "0" : "") + minute.ToString();
_fontSpec.Draw(g, pane, labelText,
pStartInterval, textVerticalCenter,
AlignH.Center, AlignV.Center, scaleFactor);
}
dtStartInterval = dtStartInterval.AddMinutes(minutesPerLabel);
hour = dtStartInterval.Hour;
minute = dtStartInterval.Minute;
dStartInterval = dtStartInterval.ToOADate();
}
}
internal void DrawDayLabels(Graphics g, GraphPane pane, MinorTic tic, MinorGrid grid, bool drawGrid,
float topPix, float rightPix, float shift, float scaleFactor, bool includeMonthYear)
{
int year;
int month;
int day;
XDate xStartInterval = new XDate(_minLinTemp);
XDate xEndInterval;
string labelText = "28";
if (includeMonthYear)
{
labelText = "2000 " + MonthNamesAbbreviated[1] + " 28";
}
SizeF labelBox = _fontSpec.BoundingBox(g, labelText, scaleFactor);
float labelWidth = labelBox.Width + 4;
float labelWidthHalf = labelWidth / 2;
float ticShift = (includeMonthYear ? (shift + labelBox.Height / 2) : shift);
float scaledTic = tic.ScaledTic(scaleFactor);
float textVerticalCenter = GetTextVerticalCenter(g, pane, scaledTic, labelBox.Height, shift, scaleFactor);
float textHorizontalCenter;
double dStartInterval, dEndInterval;
float pStartInterval, pEndInterval, pIntervalWidth;
xStartInterval.GetDate(out year, out month, out day);
xStartInterval.SetDate(year, month, 1);
xEndInterval = new XDate(year, month, 2);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
pStartInterval = LocalTransform(dStartInterval);
pEndInterval = LocalTransform(dEndInterval);
pIntervalWidth = pEndInterval - pStartInterval;
int daysPerLabel = RoundNumber((int)Math.Ceiling(labelWidth / pIntervalWidth), roundNumbers);
while (dStartInterval < _maxLinTemp)
{
TruncateIntervalDrawTicGrid(g, pane, topPix, tic, grid, drawGrid,
ticShift + (includeMonthYear ? scaledTic : 0), scaleFactor, scaledTic,
ref dStartInterval, ref dEndInterval, out pStartInterval, out pEndInterval, out pIntervalWidth);
if (!drawGrid && this.IsVisible && pIntervalWidth > 1)
{
if (((int)(day / daysPerLabel)) * daysPerLabel == day)
{
textHorizontalCenter = (pStartInterval + pEndInterval) / 2;
//if label will not extend beyond left or right edge of this axis, draw it
if ((textHorizontalCenter - labelWidthHalf > 0) &&
(textHorizontalCenter + labelWidthHalf) < rightPix)
{
labelText = day.ToString();
if (includeMonthYear)
{
labelText = year + " " + MonthNamesAbbreviated[month - 1] + " " + labelText;
}
_fontSpec.Draw(g, pane, labelText,
textHorizontalCenter, textVerticalCenter,
AlignH.Center, AlignV.Center, scaleFactor);
}
}
}
xStartInterval.AddDays(1);
xStartInterval.GetDate(out year, out month, out day); // = new XDate(endInterval);
dStartInterval = xStartInterval.XLDate;
xEndInterval.AddDays(1);
dEndInterval = xEndInterval.XLDate;
}
}
internal void DrawMonthLabels(Graphics g, GraphPane pane, MinorTic tic, MinorGrid grid, bool drawGrid,
float topPix, float rightPix, float shift, float scaleFactor, bool includeYear)
{
int year;
int month;
int day;
int MonthLabelType = WhichMonthLabels(g, pane, topPix, rightPix, shift, scaleFactor, includeYear);
XDate xStartInterval = new XDate(_minLinTemp);
XDate xEndInterval;
string labelText = "0";
SizeF labelBox = _fontSpec.BoundingBox(g, labelText, scaleFactor);
float ticShift = (includeYear ? (shift + labelBox.Height / 2) : shift);
float charWidth = labelBox.Width;
float scaledTic = tic.ScaledTic(scaleFactor);
float textVerticalCenter = GetTextVerticalCenter(g, pane, scaledTic, labelBox.Height, shift, scaleFactor);
double dStartInterval, dEndInterval;
float pStartInterval, pEndInterval, pIntervalWidth;
SizeF labelSize;
xStartInterval.GetDate(out year, out month, out day);
if (day != 1)
{
xStartInterval.SetDate(year, month, 1);
}
xEndInterval = new XDate(xStartInterval);
xEndInterval.AddMonths(1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
// draw tics and labels
dStartInterval = xStartInterval.XLDate;
while (dStartInterval < _maxLinTemp)
{
TruncateIntervalDrawTicGrid(g, pane, topPix, tic, grid, drawGrid,
ticShift, scaleFactor, scaledTic,
ref dStartInterval, ref dEndInterval, out pStartInterval, out pEndInterval, out pIntervalWidth);
// If the width of the interval is at least wide enough for a character,
// try displaying a month label
if (!drawGrid && this.IsVisible && pIntervalWidth > charWidth)
{
labelText = "";
switch (MonthLabelType)
{
case 3: labelText = MonthNamesFull[month - 1]; break;
case 2: labelText = MonthNamesAbbreviated[month - 1]; break;
case 1: labelText = MonthNamesAbbreviated[month - 1].Substring(0, 1); break;
}
if (includeYear)
{
labelText += " " + year;
}
labelSize = _fontSpec.BoundingBox(g, labelText, scaleFactor);
if (labelSize.Width >= pIntervalWidth)
{
labelText = "";
}
if (labelText.Length > 0)
{
_fontSpec.Draw(g, pane, labelText,
(pStartInterval + pEndInterval) / 2, textVerticalCenter,
AlignH.Center, AlignV.Center,
scaleFactor);
}
}
xStartInterval.AddMonths(1); // = new XDate(endInterval);
xEndInterval.AddMonths(1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
xStartInterval.GetDate(out year, out month, out day);
}
}
private int WhichMonthLabels(Graphics g, GraphPane pane,
float topPix, float rightPix, float shift, float scaleFactor, bool includeYear)
{
bool FullFit = true;
bool AbbrevFit = true;
bool CharFit = true;
int year;
int month;
int day;
string yearText = "";
XDate xStartInterval = new XDate(_minLinTemp);
XDate xEndInterval;
string labelText = "0";
SizeF labelBox = _fontSpec.BoundingBox(g, labelText, scaleFactor);
float ticShift = (includeYear ? (shift + labelBox.Height / 2) : shift);
float charWidth = labelBox.Width;
MinorGrid grid = _ownerAxis._minorGrid;
MinorTic tic = _ownerAxis._minorTic;
float scaledTic = tic.ScaledTic(scaleFactor);
float textVerticalCenter = GetTextVerticalCenter(g, pane, scaledTic, labelBox.Height, shift, scaleFactor);
double dStartInterval, dEndInterval;
float pStartInterval, pEndInterval, pIntervalWidth;
xStartInterval.GetDate(out year, out month, out day);
if (day != 1)
{
xStartInterval.SetDate(year, month, 1);
}
xEndInterval = new XDate(xStartInterval);
xEndInterval.AddMonths(1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
while (dStartInterval < _maxLinTemp)
{
TruncateIntervalDrawTicGrid(g, pane, topPix, tic, grid, false,
ticShift, scaleFactor, scaledTic,
ref dStartInterval, ref dEndInterval, out pStartInterval, out pEndInterval, out pIntervalWidth);
// If the width of the interval is at least wide enough for a character
// and we have more than 27 days, try displaying a month label
if (pIntervalWidth > charWidth && (dEndInterval - dStartInterval > 27))
{
if (includeYear)
{
yearText = " " + year;
}
if (FullFit) // First try to fit whole month name
{
FullFit = LabelFits(g, scaleFactor, MonthNamesFull[month - 1] + yearText, pIntervalWidth);
}
if (AbbrevFit) // Next try to fit abbreviated month name
{
AbbrevFit = LabelFits(g, scaleFactor, MonthNamesAbbreviated[month - 1] + yearText, pIntervalWidth);
}
if (CharFit) // Finally try to fit first letter of month name
{
CharFit = LabelFits(g, scaleFactor, labelText.Substring(0, 1) + yearText, pIntervalWidth);
}
}
xStartInterval.AddMonths(1); // = new XDate(endInterval);
xEndInterval.AddMonths(1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
xStartInterval.GetDate(out year, out month, out day);
}
if (FullFit)
{
return(3);
}
if (AbbrevFit)
{
return(2);
}
if (CharFit)
{
return(1);
}
return(0);
}
internal void DrawYearLabels(Graphics g, GraphPane pane, MinorTic tic, MinorGrid grid, bool drawGrid,
float topPix, float rightPix, float shift, float scaleFactor)
{
int year;
int month;
int day;
XDate xStartInterval = new XDate(_minLinTemp);
XDate xEndInterval;
string labelText = "2000";
SizeF labelBox = _fontSpec.BoundingBox(g, labelText, scaleFactor);
float labelWidth = labelBox.Width + 4;
float labelWidthHalf = labelWidth / 2;
float scaledTic = tic.ScaledTic(scaleFactor);
float textVerticalCenter = GetTextVerticalCenter(g, pane, scaledTic, labelBox.Height, shift, scaleFactor);
float textHorizontalCenter;
double dStartInterval, dEndInterval;
float pStartInterval, pEndInterval, pIntervalWidth;
xStartInterval.GetDate(out year, out month, out day);
xStartInterval.SetDate(year, 1, 1);
xEndInterval = new XDate(year + 1, 1, 1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
pStartInterval = LocalTransform(dStartInterval);
pEndInterval = LocalTransform(dEndInterval);
pIntervalWidth = pEndInterval - pStartInterval;
int yearsPerLabel = RoundNumber((int)Math.Ceiling(labelWidth / pIntervalWidth), roundNumbers);
int yearsPerTic = RoundNumber((int)Math.Ceiling(10 / pIntervalWidth), roundNumbers);
while (dStartInterval < _maxLinTemp)
{
bool labelThisYear = ((year / yearsPerLabel) * yearsPerLabel == year);
if (labelThisYear || ((year / yearsPerTic) * yearsPerTic == year))
{
TruncateIntervalDrawTicGrid(g, pane, topPix, tic, grid, drawGrid, shift, scaleFactor, scaledTic,
ref dStartInterval, ref dEndInterval, out pStartInterval, out pEndInterval, out pIntervalWidth);
if (!drawGrid && this.IsVisible && labelThisYear)
{
textHorizontalCenter = (pStartInterval + pEndInterval) / 2;
//if label will not extend beyond left or right edge of this axis, draw it
if ((textHorizontalCenter - labelWidthHalf > 0) &&
(textHorizontalCenter + labelWidthHalf) < rightPix)
{
labelText = year.ToString();
_fontSpec.Draw(g, pane, labelText,
textHorizontalCenter, textVerticalCenter,
AlignH.Center, AlignV.Center, scaleFactor);
}
}
}
year += 1;
xStartInterval.SetDate(year, 1, 1); // = new XDate(endInterval);
xEndInterval.SetDate(year + 1, 1, 1);
dStartInterval = xStartInterval.XLDate;
dEndInterval = xEndInterval.XLDate;
}
}
