public string ModelShapes = "圆角矩形"; //模板的形状
#endregion Fields
#region Methods
/// <summary>
/// 绘制一个背景
/// </summary>
/// <param name="g"></param>
/// <param name="fx">这个背景偏移相当于这个模板的X坐标</param>
/// <param name="fy">这个背景偏移相当于这个模板的Y坐标</param>
/// <param name="Zoom"></param>
/// <param name="listMatrix"></param>
public void DrawModelBackground(Graphics g, float fx, float fy, float Zoom, List<Matrix> listMatrix)
{
//比如说背景是一张A4大小的纸张，那么其X,Y坐标就是画布的偏移。。。
//单位一定要是MM。
g.PageUnit = GraphicsUnit.Millimeter;
//如下被认为可以清晰文字。
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
float fltPenWidth = 0.5f / Zoom;//绘制纸张边距的画笔宽度
//基本上只是一个调用ShapeEle来绘图的方法
switch (ModelShapes)
{
case "方形":
ShapeRect shapeRect = new ShapeRect();
shapeRect.X = fx ;
shapeRect.Y = fy ;
shapeRect.Width = BarcodePaperLayout.ModelWidth ;
shapeRect.Height = BarcodePaperLayout.ModelHeight ;
shapeRect.Zoom = Zoom;
shapeRect.FillColor = Color.White;
shapeRect.isFill = true;
shapeRect.PenWidth = fltPenWidth;
shapeRect.Draw(g,listMatrix);
break;
case "圆角矩形":
ShapeRoundRect shapeRouneRect = new ShapeRoundRect();
shapeRouneRect.X = fx ;
shapeRouneRect.Y = fy ;
shapeRouneRect.Width = BarcodePaperLayout.ModelWidth ;
shapeRouneRect.Height = BarcodePaperLayout.ModelHeight ;
shapeRouneRect.Zoom = Zoom;
shapeRouneRect.CornerRadius = BarcodePaperLayout.CornerRadius;
shapeRouneRect.FillColor = Color.White;
shapeRouneRect.isFill = true;
shapeRouneRect.PenWidth = fltPenWidth;
shapeRouneRect.Draw(g,listMatrix);
break;
case "椭圆形":
ShapeEllipse shapeEllipse = new ShapeEllipse();
shapeEllipse.X = fx ;
shapeEllipse.Y = fy ;
shapeEllipse.Width = BarcodePaperLayout.ModelWidth ;
shapeEllipse.Height = BarcodePaperLayout.ModelHeight ;
shapeEllipse.Zoom = Zoom;
shapeEllipse.FillColor = Color.White;
shapeEllipse.isFill = true;
shapeEllipse.PenWidth = fltPenWidth;
shapeEllipse.Draw(g,listMatrix);
break;
case "CD":
break;
default:
break;
}
}
/// <summary>
/// 如下的这个只是在一个picture上绘制条形码纸张的布局的，只是预览窗口需要这个，其他的都不需要的。
/// </summary>
/// <param name="pic"></param>
public void DrawModelsBackgroundOnPaper(Graphics g , float fW , float fH)
{
//纸张左上角的边距,只是这个不能太靠边而已，没有其他的作用
float fltBianJuX =0/ 25.4f * g.DpiX;
float fltBianJuY = 0 / 25.4f * g.DpiY;
float fwzoom = (fW- 2*fltBianJuX) / (BarcodePaperLayout.PaperWidth / 25.4f * g.DpiX);
float fhzoom = (fH- 2*fltBianJuY) / (BarcodePaperLayout.PaperHeight / 25.4f * g.DpiY);
float fzoom = fwzoom > fhzoom ? fhzoom : fwzoom;
float fltPenWidth = 0.5f / fzoom;//绘制纸张边距的画笔宽度
try
{
g.Clear(Color.Beige);//清空
//如下被认为可以清晰文字。
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.PixelOffsetMode = PixelOffsetMode.HighQuality;
g.CompositingQuality = CompositingQuality.HighQuality;
g.PageUnit = GraphicsUnit.Millimeter;//毫米单位
//绘制纸张的背景
ShapeRect shapeRect = new ShapeRect();
shapeRect.X = fltBianJuX;
shapeRect.Y = fltBianJuY;
shapeRect.Width = BarcodePaperLayout.PaperWidth;
shapeRect.Height = BarcodePaperLayout.PaperHeight;
shapeRect.Zoom = fzoom;
shapeRect.PenWidth = fltPenWidth;
shapeRect.Draw(g,null);
//如下是绘制各个模板的背景
for (int i = 0; i < BarcodePaperLayout.NumberOfColumn; i++)
{
for (int j =0; j < BarcodePaperLayout.NumberOfLine; j++)
{
//计算每个模板的左上角的坐标
float fx = BarcodePaperLayout.Left+fltBianJuX +(i)*BarcodePaperLayout.HorizontalInterval+ i * BarcodePaperLayout.ModelWidth;
float fy = BarcodePaperLayout.Top+fltBianJuY +(j)*BarcodePaperLayout.VerticalInterval+ j * BarcodePaperLayout.ModelHeight;
DrawModelBackground(g, fx, fy, fzoom);
}
}
}
catch (Exception ex)
{
MessageBox.Show("预览不成功，原因是： "+ex.Message);
//ClsErrorFile.WriteLine("预览不成功，原因是： ",ex);
//throw;
}
}