internal static bool NeedShowSplit(Axis axis)
{
if (!axis.show)
{
return(false);
}
if (axis.IsCategory() && axis.data.Count <= 0)
{
return(false);
}
else if (axis.IsValue() && axis.runtimeMinValue == 0 && axis.runtimeMaxValue == 0)
{
return(false);
}
else
{
return(true);
}
}
private float GetDataPoint(Axis xAxis, Axis yAxis, List <SerieData> showData, float yValue, float startX, int i, float scaleWid, float serieHig, ref Vector3 np)
{
float yDataHig;
if (xAxis.IsValue())
{
float xValue = i > showData.Count - 1 ? 0 : showData[i].data[0];
float pX = coordinateX + xAxis.axisLine.width;
float pY = serieHig + coordinateY + xAxis.axisLine.width;
float xDataHig = (xValue - xAxis.minValue) / (xAxis.maxValue - xAxis.minValue) * coordinateWid;
yDataHig = (yValue - yAxis.minValue) / (yAxis.maxValue - yAxis.minValue) * coordinateHig;
np = new Vector3(pX + xDataHig, pY + yDataHig);
}
else
{
float pX = startX + i * scaleWid;
float pY = serieHig + coordinateY + yAxis.axisLine.width;
yDataHig = (yValue - yAxis.minValue) / (yAxis.maxValue - yAxis.minValue) * coordinateHig;
np = new Vector3(pX, pY + yDataHig);
}
return(yDataHig);
}
internal static void DrawAxisLine(VertexHelper vh, Axis axis, AxisTheme theme, Orient orient,
float startX, float startY, float axisLength)
{
var inverse = axis.IsValue() && axis.inverse;
var offset = AxisHelper.GetAxisLineArrowOffset(axis);
var lineWidth = axis.axisLine.GetWidth(theme.lineWidth);
var lineType = axis.axisLine.GetType(theme.lineType);
var lineColor = axis.axisLine.GetColor(theme.lineColor);
if (orient == Orient.Horizonal)
{
var left = new Vector3(startX - lineWidth - (inverse ? offset : 0), startY);
var right = new Vector3(startX + axisLength + lineWidth + (!inverse ? offset : 0), startY);
ChartDrawer.DrawLineStyle(vh, lineType, lineWidth, left, right, lineColor);
}
else
{
var bottom = new Vector3(startX, startY - lineWidth - (inverse ? offset : 0));
var top = new Vector3(startX, startY + axisLength + lineWidth + (!inverse ? offset : 0));
ChartDrawer.DrawLineStyle(vh, lineType, lineWidth, bottom, top, lineColor);
}
}
internal void CheckValueLabelActive(Axis axis, int i, ChartLabel label, Vector3 pos)
{
if (!axis.show || !axis.axisLabel.show)
{
label.SetTextActive(false);
return;
}
if (axis.IsValue())
{
if (orient == Orient.Horizonal)
{
if (i == 0)
{
var dist = GetLabelPosition(0, 1).x - pos.x;
label.SetTextActive(dist > label.text.GetPreferredWidth());
}
else if (i == axis.context.labelValueList.Count - 1)
{
var dist = pos.x - GetLabelPosition(0, i - 1).x;
label.SetTextActive(dist > label.text.GetPreferredWidth());
}
}
else
{
if (i == 0)
{
var dist = GetLabelPosition(0, 1).y - pos.y;
label.SetTextActive(dist > label.text.GetPreferredHeight());
}
else if (i == axis.context.labelValueList.Count - 1)
{
var dist = pos.y - GetLabelPosition(0, i - 1).y;
label.SetTextActive(dist > label.text.GetPreferredHeight());
}
}
}
}
internal static void DrawAxisTick(VertexHelper vh, Axis axis, AxisTheme theme, DataZoom dataZoom,
Orient orient, float startX, float startY, float axisLength)
{
var lineWidth = axis.axisLine.GetWidth(theme.lineWidth);
var tickLength = axis.axisTick.GetLength(theme.tickLength);
if (AxisHelper.NeedShowSplit(axis))
{
var size = AxisHelper.GetScaleNumber(axis, axisLength, dataZoom);
var current = orient == Orient.Horizonal ?
startX :
startY;
for (int i = 0; i < size; i++)
{
var scaleWidth = AxisHelper.GetScaleWidth(axis, axisLength, i + 1, dataZoom);
if (i == 0 && (!axis.axisTick.showStartTick || axis.axisTick.alignWithLabel))
{
current += scaleWidth;
continue;
}
if (i == size - 1 && !axis.axisTick.showEndTick)
{
current += scaleWidth;
continue;
}
if (axis.axisTick.show)
{
if (orient == Orient.Horizonal)
{
float pX = axis.IsTime() ?
(startX + axis.GetDistance(axis.GetLabelValue(i), axisLength)) :
current;
if (axis.boundaryGap && axis.axisTick.alignWithLabel)
{
pX -= scaleWidth / 2;
}
var sY = 0f;
var eY = 0f;
if ((axis.axisTick.inside && axis.IsBottom()) ||
(!axis.axisTick.inside && axis.IsTop()))
{
sY = startY + lineWidth;
eY = sY + tickLength;
}
else
{
sY = startY - lineWidth;
eY = sY - tickLength;
}
UGL.DrawLine(vh, new Vector3(pX, sY), new Vector3(pX, eY),
axis.axisTick.GetWidth(theme.tickWidth),
axis.axisTick.GetColor(theme.tickColor));
}
else
{
float pY = axis.IsTime() ?
(startY + axis.GetDistance(axis.GetLabelValue(i), axisLength)) :
current;
if (axis.boundaryGap && axis.axisTick.alignWithLabel)
{
pY -= scaleWidth / 2;
}
var sX = 0f;
var eX = 0f;
if ((axis.axisTick.inside && axis.IsLeft()) ||
(!axis.axisTick.inside && axis.IsRight()))
{
sX = startX + lineWidth;
eX = sX + tickLength;
}
else
{
sX = startX - lineWidth;
eX = sX - tickLength;
}
UGL.DrawLine(vh, new Vector3(sX, pY), new Vector3(eX, pY),
axis.axisTick.GetWidth(theme.tickWidth),
axis.axisTick.GetColor(theme.tickColor));
}
}
current += scaleWidth;
}
}
if (axis.show && axis.axisLine.show && axis.axisLine.showArrow)
{
var lineY = startY + axis.offset;
var inverse = axis.IsValue() && axis.inverse;
var axisArrow = axis.axisLine.arrow;
if (orient == Orient.Horizonal)
{
if (inverse)
{
var startPos = new Vector3(startX + axisLength, lineY);
var arrowPos = new Vector3(startX, lineY);
UGL.DrawArrow(vh, startPos, arrowPos, axisArrow.width, axisArrow.height,
axisArrow.offset, axisArrow.dent,
axisArrow.GetColor(axis.axisLine.GetColor(theme.lineColor)));
}
else
{
var arrowPosX = startX + axisLength + lineWidth;
var startPos = new Vector3(startX, lineY);
var arrowPos = new Vector3(arrowPosX, lineY);
UGL.DrawArrow(vh, startPos, arrowPos, axisArrow.width, axisArrow.height,
axisArrow.offset, axisArrow.dent,
axisArrow.GetColor(axis.axisLine.GetColor(theme.lineColor)));
}
}
else
{
if (inverse)
{
var startPos = new Vector3(startX, startY + axisLength);
var arrowPos = new Vector3(startX, startY);
UGL.DrawArrow(vh, startPos, arrowPos, axisArrow.width, axisArrow.height,
axisArrow.offset, axisArrow.dent,
axisArrow.GetColor(axis.axisLine.GetColor(theme.lineColor)));
}
else
{
var startPos = new Vector3(startX, startY);
var arrowPos = new Vector3(startX, startY + axisLength + lineWidth);
UGL.DrawArrow(vh, startPos, arrowPos, axisArrow.width, axisArrow.height,
axisArrow.offset, axisArrow.dent,
axisArrow.GetColor(axis.axisLine.GetColor(theme.lineColor)));
}
}
}
}
internal static Vector3 GetLabelPosition(int i, Orient orient, Axis axis, Axis relativedAxis, AxisTheme theme,
float scaleWid, float axisStartX, float axisStartY, float axisLength, float relativedLength)
{
var inside = axis.axisLabel.inside;
var fontSize = axis.axisLabel.textStyle.GetFontSize(theme);
var current = axis.offset;
if (axis.IsTime() || axis.IsValue())
{
scaleWid = axis.context.minMaxRange != 0 ?
axis.GetDistance(axis.GetLabelValue(i), axisLength) :
0;
}
if (orient == Orient.Horizonal)
{
if (axis.axisLabel.onZero && relativedAxis != null)
{
axisStartY += relativedAxis.context.offset;
}
if (axis.IsTop())
{
axisStartY += relativedLength;
}
if ((inside && axis.IsBottom()) || (!inside && axis.IsTop()))
{
current += axisStartY + axis.axisLabel.distance + fontSize / 2;
}
else
{
current += axisStartY - axis.axisLabel.distance - fontSize / 2;
}
return(new Vector3(axisStartX + scaleWid, current) + axis.axisLabel.offset);
}
else
{
if (axis.axisLabel.onZero && relativedAxis != null)
{
axisStartX += relativedAxis.context.offset;
}
if (axis.IsRight())
{
axisStartX += relativedLength;
}
if ((inside && axis.IsLeft()) || (!inside && axis.IsRight()))
{
current += axisStartX + axis.axisLabel.distance;
}
else
{
current += axisStartX - axis.axisLabel.distance;
}
return(new Vector3(current, axisStartY + scaleWid) + axis.axisLabel.offset);
}
}
internal void UpdateAxisTickValueList(Axis axis)
{
if (axis.IsTime())
{
var lastCount = axis.context.labelValueList.Count;
DateTimeUtil.UpdateTimeAxisDateTimeList(axis.context.labelValueList, (int)axis.context.minValue,
(int)axis.context.maxValue, axis.splitNumber);
if (axis.context.labelValueList.Count != lastCount)
{
axis.SetAllDirty();
}
}
else if (axis.IsValue())
{
var list = axis.context.labelValueList;
var lastCount = list.Count;
list.Clear();
var range = axis.context.maxValue - axis.context.minValue;
if (range <= 0)
{
return;
}
double tick = axis.interval;
if (axis.interval == 0)
{
if (axis.splitNumber > 0)
{
tick = range / axis.splitNumber;
}
else
{
var each = GetTick(range);
tick = each;
if (range / tick > 8)
{
tick = 2 * each;
}
else if (range / tick < 4)
{
tick = each / 2;
}
}
}
var value = 0d;
if (Mathf.Approximately((float)(axis.context.minValue % tick), 0))
{
value = axis.context.minValue;
}
else
{
list.Add(axis.context.minValue);
value = Math.Ceiling(axis.context.minValue / tick) * tick;
}
var maxSplitNumber = chart.settings.axisMaxSplitNumber;
while (value <= axis.context.maxValue)
{
list.Add(value);
value += tick;
if (maxSplitNumber > 0 && list.Count > maxSplitNumber)
{
break;
}
}
if (!ChartHelper.IsEquals(axis.context.maxValue, list[list.Count - 1]))
{
list.Add(axis.context.maxValue);
}
if (lastCount != list.Count)
{
axis.SetAllDirty();
}
}
}
internal void UpdateAxisMinMaxValue(int axisIndex, Axis axis, bool updateChart = true)
{
if (!axis.show)
{
return;
}
if (axis.IsCategory())
{
axis.context.minValue = 0;
axis.context.maxValue = SeriesHelper.GetMaxSerieDataCount(chart.series) - 1;
axis.context.minMaxRange = axis.context.maxValue;
return;
}
double tempMinValue = 0;
double tempMaxValue = 0;
chart.GetSeriesMinMaxValue(axis, axisIndex, out tempMinValue, out tempMaxValue);
if (tempMinValue != axis.context.minValue ||
tempMaxValue != axis.context.maxValue ||
m_LastInterval != axis.interval ||
m_LastSplitNumber != axis.splitNumber)
{
m_LastSplitNumber = axis.splitNumber;
m_LastInterval = axis.interval;
axis.UpdateMinMaxValue(tempMinValue, tempMaxValue);
axis.context.offset = 0;
axis.context.lastCheckInverse = axis.inverse;
UpdateAxisTickValueList(axis);
if (tempMinValue != 0 || tempMaxValue != 0)
{
var grid = chart.GetChartComponent <GridCoord>(axis.gridIndex);
if (grid != null && axis is XAxis && axis.IsValue())
{
axis.context.offset = axis.context.minValue > 0 ?
0 :
(axis.context.maxValue < 0 ?
grid.context.width :
(float)(Math.Abs(axis.context.minValue) * (grid.context.width /
(Math.Abs(axis.context.minValue) + Math.Abs(axis.context.maxValue))))
);
axis.context.x = grid.context.x;
axis.context.y = GetAxisLineXOrY();
axis.context.zeroY = grid.context.y;
axis.context.zeroX = grid.context.x - (float)(axis.context.minValue * grid.context.width / axis.context.minMaxRange);
}
if (grid != null && axis is YAxis && axis.IsValue())
{
axis.context.offset = axis.context.minValue > 0 ?
0 :
(axis.context.maxValue < 0 ?
grid.context.height :
(float)(Math.Abs(axis.context.minValue) * (grid.context.height /
(Math.Abs(axis.context.minValue) + Math.Abs(axis.context.maxValue))))
);
axis.context.x = GetAxisLineXOrY();
axis.context.y = grid.context.y;
axis.context.zeroX = grid.context.x;
axis.context.zeroY = grid.context.y - (float)(axis.context.minValue * grid.context.height / axis.context.minMaxRange);
}
}
var dataZoom = chart.GetDataZoomOfAxis(axis);
if (dataZoom != null && dataZoom.enable)
{
if (axis is XAxis)
{
dataZoom.SetXAxisIndexValueInfo(axisIndex, tempMinValue, tempMaxValue);
}
else
{
dataZoom.SetYAxisIndexValueInfo(axisIndex, tempMinValue, tempMaxValue);
}
}
if (updateChart)
{
UpdateAxisLabelText(axis);
chart.RefreshChart();
}
}
}
