/// <summary>
/// Counts the width of the axis y.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="font">The font.</param>
/// <returns>System.Single.</returns>
private float CountAxisYWidth(Graphics g, Font font)
{
if (!_visible)
{
return(0f);
}
float num = 0f;
if (!string.IsNullOrEmpty(_title))
{
SizeF size = g.MeasureString(_title, font);
num = ChartsHelper.ConvertSize(size, -90f).Width + 3f;
}
if (!_labelVisible || _labels.Count < 1)
{
return(num);
}
maxLabelHeight = 0f;
maxLabelWidth = 0f;
for (int i = 0; i < _labels.Count; i++)
{
SizeF sizeF = g.MeasureString(_labels[i].Content, font);
maxLabelHeight = ((sizeF.Height > maxLabelHeight) ? sizeF.Height : maxLabelHeight);
maxLabelWidth = ((sizeF.Width > maxLabelWidth) ? sizeF.Width : maxLabelWidth);
}
return(num + maxLabelWidth + 3f);
}
/// <summary>
/// Paints the main.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
private void PaintMain(Graphics g, int width, int height)
{
if (barChartItems == null || barChartItems.Length <= 0)
{
if (DesignMode)
{
barChartItems = new BarChartItem[] { new BarChartItem() };
}
else
{
return;
}
}
if (data_values == null && DesignMode)
{
data_values = new double[5][];
for (int i = 0; i < data_values.Length; i++)
{
data_values[i] = new double[] { i + 1 };
}
}
double num = (data_values != null && data_values.Length != 0) ? ChartsHelper.CalculateMaxSectionFrom(data_values) : 5;
if (value_max_left > 0)
{
num = value_max_left;
}
int intLeftX = (int)g.MeasureString(num.ToString(), Font).Width + 3;
if (intLeftX < 50)
{
intLeftX = 50;
}
//处理辅助线左侧间距
if (auxiliary_lines != null && auxiliary_lines.Count > 0)
{
var maxAuxiliaryWidth = auxiliary_lines.Max(p => g.MeasureString((p.Tip + "" + p.Value), Font).Width);
if (intLeftX < maxAuxiliaryWidth)
{
intLeftX = (int)maxAuxiliaryWidth + 5;
}
}
int intRightX = 20;
//顶部距离
int intTopY = 25;
if (!string.IsNullOrEmpty(value_title))
{
intTopY += 20;
}
//写标题
if (!string.IsNullOrEmpty(value_title))
{
g.DrawString(value_title, Font, brush_deep, new Rectangle(0, 0, width - 1, intTopY - 10), format_center);
}
//画项目名称颜色
if (ShowChartItemName && !(barChartItems.Length == 1 && string.IsNullOrEmpty(barChartItems[0].ItemName)))
{
int intItemNameRowCount = 0;
int intItemNameWidth = 0;
int intItemNameComCount = 0;
intItemNameWidth = (int)barChartItems.Max(p => g.MeasureString(p.ItemName, Font).Width) + 40;
intItemNameComCount = this.Width / intItemNameWidth;
intItemNameRowCount = barChartItems.Length / intItemNameComCount + (barChartItems.Length % intItemNameComCount != 0 ? 1 : 0);
int intItemNameHeight = (int)g.MeasureString("A", Font).Height;
for (int i = 0; i < intItemNameRowCount; i++)
{
int intLeft = (this.Width - (intItemNameWidth * ((i == intItemNameRowCount - 1) ? (barChartItems.Length % intItemNameComCount) : intItemNameComCount))) / 2;
int intTop = intTopY - 15 + intItemNameHeight * i + 10;
for (int j = i * intItemNameComCount; j < barChartItems.Length && j < (i + 1) * intItemNameComCount; j++)
{
Rectangle rectColor = new Rectangle(intLeft + (j % intItemNameComCount) * intItemNameWidth, intTop, 20, intItemNameHeight);
g.FillRectangle(new SolidBrush(barChartItems[j].BarBackColor ?? ControlHelper.Colors[j]), rectColor);
g.DrawString(barChartItems[j].ItemName, Font, new SolidBrush(ForeColor), new Point(rectColor.Right + 2, rectColor.Top));
}
}
intTopY += intItemNameRowCount * (intItemNameHeight + 20);
}
int intBottomY = 25;
//处理x坐标文字高度
if (data_texts != null && data_texts.Length > 0)
{
var maxTextsHeight = data_texts.Max(p => g.MeasureString(p, Font).Height);
if (intBottomY < maxTextsHeight)
{
intBottomY = (int)maxTextsHeight + 5;
}
}
//画xy轴
Point[] array2 = new Point[3]
{
new Point(intLeftX, intTopY - 8),
new Point(intLeftX, height - intBottomY),
new Point(width - intRightX + 5, height - intBottomY)
};
g.DrawLine(pen_normal, array2[0], array2[1]);
g.DrawLine(pen_normal, array2[1], array2[2]);
ChartsHelper.PaintTriangle(g, brush_deep, new Point(intLeftX, intTopY - 8), 4, GraphDirection.Upward);
ChartsHelper.PaintTriangle(g, brush_deep, new Point(width - intRightX + 5, height - intBottomY), 4, GraphDirection.Rightward);
//画横向分割线
for (int j = 0; j <= value_Segment; j++)
{
float value = (float)((double)j * (double)(num - value_min_left) / (double)value_Segment + (double)value_min_left);
float num6 = ChartsHelper.ComputePaintLocationY((float)num, value_min_left, height - intTopY - intBottomY, value) + (float)intTopY;
if (IsNeedPaintDash(num6))
{
g.DrawLine(pen_normal, intLeftX - 4, num6, intLeftX - 1, num6);
g.DrawString(layoutRectangle: new RectangleF(0f, num6 - 19f, intLeftX - 4, 40f), s: value.ToString(), font: Font, brush: brush_deep, format: format_right);
if (j > 0 && value_IsRenderDashLine)
{
g.DrawLine(pen_dash, intLeftX, num6, width - intRightX, num6);
}
}
}
//计算辅助线y坐标
for (int i = 0; i < auxiliary_lines.Count; i++)
{
auxiliary_lines[i].PaintValue = ChartsHelper.ComputePaintLocationY((float)num, value_min_left, height - intTopY - intBottomY, auxiliary_lines[i].Value) + (float)intTopY;
}
//画辅助线
for (int k = 0; k < auxiliary_lines.Count; k++)
{
g.DrawLine(auxiliary_lines[k].GetPen(), intLeftX - 4, auxiliary_lines[k].PaintValue, intLeftX - 1, auxiliary_lines[k].PaintValue);
g.DrawString(layoutRectangle: new RectangleF(0f, auxiliary_lines[k].PaintValue - 9f, intLeftX - 4, 20f), s: auxiliary_lines[k].Tip + "" + auxiliary_lines[k].Value.ToString(), font: Font, brush: auxiliary_lines[k].LineTextBrush, format: format_right);
g.DrawLine(auxiliary_lines[k].GetPen(), intLeftX, auxiliary_lines[k].PaintValue, width - intRightX, auxiliary_lines[k].PaintValue);
}
if (data_values == null || data_values.Length == 0 || data_values.Max(p => p.Length) <= 0)
{
return;
}
//x轴分隔宽度
float fltSplitWidth = (float)(width - intLeftX - 1 - intRightX) * 1f / (float)data_values.Length;
for (int i = 0; i < data_values.Length; i++)
{
int intItemSplitCount = barChartItems.Length;
float _fltSplitWidth = fltSplitWidth * barPercentWidth / intItemSplitCount;
float _fltLeft = (float)i * fltSplitWidth + (1f - barPercentWidth) / 2f * fltSplitWidth + (float)intLeftX;
for (int j = 0; j < data_values[i].Length; j++)
{
if (j >= intItemSplitCount)
{
break;
}
float fltValueY = ChartsHelper.ComputePaintLocationY((float)num, value_min_left, height - intTopY - intBottomY, (float)data_values[i][j]) + (float)intTopY;
RectangleF rect = new RectangleF(_fltLeft + _fltSplitWidth * j + (1F - barChartItems[j].BarPercentWidth) * _fltSplitWidth / 2f, fltValueY,
_fltSplitWidth * barChartItems[j].BarPercentWidth, (float)(height - intBottomY) - fltValueY);
Color color = barChartItems[j].BarBackColor ?? ControlHelper.Colors[j];
//画柱状
if (useGradient)
{
if (rect.Height > 0f)
{
using (LinearGradientBrush brush = new LinearGradientBrush(new PointF(rect.X, rect.Y + rect.Height), new PointF(rect.X, rect.Y), ChartsHelper.GetColorLight(color), color))
{
g.FillRectangle(brush, rect);
}
}
}
else
{
using (Brush brush2 = new SolidBrush(color))
{
g.FillRectangle(brush2, rect);
}
}
//写值文字
if (isShowBarValue)
{
using (Brush brush3 = new SolidBrush(ForeColor))
{
g.DrawString(layoutRectangle: new RectangleF(rect.Left - 50f, fltValueY - (float)Font.Height - 2f, _fltSplitWidth + 100f, Font.Height + 2), s: string.Format(showBarValueFormat, data_values[i][j]), font: Font, brush: brush3, format: format_center);
}
}
}
//写x轴文字
if (data_texts != null && i < data_texts.Length)
{
g.DrawString(layoutRectangle: new RectangleF((float)i * fltSplitWidth + (float)intLeftX - 50f, height - intBottomY - 1, fltSplitWidth + 100f, intBottomY + 1), s: data_texts[i], font: Font, brush: brush_deep, format: format_center);
}
}
}
/// <summary>
/// Draws the axis y.
/// </summary>
/// <param name="g">The g.</param>
/// <param name="font">The font.</param>
/// <param name="border">The border.</param>
/// <param name="offset">The offset.</param>
/// <param name="left">The left.</param>
/// <param name="right">The right.</param>
internal void DrawAxisY(Graphics g, Font font, Rectangle border, int offset, ref float left, ref float right)
{
if (!_visible)
{
return;
}
float y = border.Top + border.Height / 2;
float num = _isCustomLabels ? ((float)(border.Top + offset)) : ((float)border.Top + (float)offset % locationStep);
StringFormat format;
StringFormat format2;
float x;
float x2;
if (_position == AxisPosition.RightTop)
{
format = AxisFormat.TitleFormatRightAxisY;
format2 = AxisFormat.LabelFormatRightAxisY;
x = (float)border.Right + right + Width;
x2 = (float)border.Right + right + 3f;
right += Width;
}
else
{
format = AxisFormat.TitleFormatLeftAxisY;
format2 = AxisFormat.LabelFormatLeftAxisY;
x = left;
x2 = left + Width - 3f;
left += Width;
}
if (_labelVisible)
{
int count = _labels.Count;
if (count > 0)
{
RectangleF rectangleF = default(RectangleF);
for (int i = 0; i < count; i++)
{
float num3;
if (_isCustomLabels)
{
double num2 = _isReverse ? _labels[i].Value : _labels[count - i - 1].Value;
num3 = Convert.ToSingle((double)Height / Range * (num2 - MinValue));
if (!_isReverse)
{
num3 = Height - num3;
}
}
else
{
num3 = (float)i * locationStep;
}
num3 += num;
if (num3 >= (float)border.Top && num3 <= (float)border.Bottom)
{
PointF pointF = new PointF(x2, num3);
if (!rectangleF.Contains(pointF))
{
string s = _isReverse ? _labels[i].Content : _labels[count - i - 1].Content;
g.DrawString(s, font, _brush, pointF, format2);
rectangleF = new RectangleF(x2, num3, maxLabelWidth, maxLabelHeight + 6f);
}
}
}
}
}
if (!string.IsNullOrEmpty(_title))
{
ChartsHelper.DrawString(g, _title, font, _brush, new PointF(x, y), format, -90f);
}
}
