private List <float> PlaceXLabels(XLabelGroup xLabelGroup, float originX, float originY, float chartWidth, float chartHeight)
{
const float MARGIN_RATIO = 0.5f; // 左右分别留出 0.5 个单位长度
int nLabels = xLabelGroup.goLabels.Count;
float unitWidth = chartWidth / (nLabels - 1 + MARGIN_RATIO * 2);
List <float> xPositions = new List <float>();
float beginPosition = originX + MARGIN_RATIO * unitWidth;
for (int i = 0; i < nLabels; ++i)
{
float currPosition = beginPosition + i * unitWidth;
xPositions.Add(currPosition);
var goLabel = xLabelGroup.goLabels[i];
if (goLabel == null)
{
continue;
}
var rectTransform = goLabel.GetComponent <RectTransform>();
rectTransform.anchoredPosition = new Vector2(currPosition, originY);
}
return(xPositions);
}
private ChartInfo DrawChartFrame(XLabelGroup xLabelGroup, YLabelGroup yLabelGroup)
{
var rectTransform = this.chartContainer.GetComponent <RectTransform>();
float totalWidth = rectTransform.rect.width;
float totalHeight = rectTransform.rect.height;
float originX = yLabelGroup.maxLabelWidth;
float originY = xLabelGroup.maxLabelHeight;
float chartWidth = totalWidth - originX;
float chartHeight = totalHeight - originY;
var xAxis = DrawXAxis(originX, originY, chartWidth, chartHeight);
var yAxis = DrawYAxis(originX, originY, chartWidth, chartHeight);
var xPositions = PlaceXLabels(xLabelGroup, originX, originY, chartWidth, chartHeight);
PlaceYLabels(yLabelGroup, originX, originY, chartWidth, chartHeight);
var tooltip = CreateTooltip();
return(new ChartInfo
{
originX = originX,
originY = originY,
chartWidth = chartWidth,
chartHeight = chartHeight,
xAxis = xAxis,
yAxis = yAxis,
goXLabels = xLabelGroup.goLabels,
xLabels = xLabelGroup.labels,
xPositions = xPositions,
goYLabels = yLabelGroup.goLabels,
yLabelValues = yLabelGroup.labelValues,
yValues = yLabelGroup.values,
yMinValue = yLabelGroup.minValue,
yMaxValue = yLabelGroup.maxValue,
tooltip = tooltip,
});
}
private void UpdateXLabelsSizes(XLabelGroup xLabelGroup)
{
float maxXLabelHeight = 0;
foreach (var goXLabel in xLabelGroup.goLabels)
{
if (goXLabel == null)
{
continue;
}
var goLabel = Common.GetChild(goXLabel, "Label");
var rectTransform = goLabel.GetComponent <RectTransform>();
float labelHeight = 5 + (rectTransform.rect.width + rectTransform.rect.height) * 0.707106f;
maxXLabelHeight = Mathf.Max(labelHeight, maxXLabelHeight);
goLabel.GetComponent <Text>().color = PanelCharts.CHART_LABEL_COLOR;
var goCoordinate = Common.GetChild(goXLabel, "Coordinate");
goCoordinate.GetComponent <Image>().color = PanelCharts.CHART_AXIS_COLOR;
}
xLabelGroup.maxLabelHeight = maxXLabelHeight;
}
