/// <summary>
/// 打印或者显示在指定画布,该方法的调用用在显示报表
/// <remarks>使用x,y偏移量是为了绘图转换坐标系方便</remarks>
/// </summary>
/// <param name="g">绘图图面,拥有该参数是为了可以灵活的转移图形的输出画面</param>
/// <param name="x">横坐标位置的偏移值</param>
/// <param name="y">纵坐标位置的偏移值</param>
public void Print(Canvas ca, float x, float y)
{
MoveX = x;
MoveY = y;
if (null == ca || null == ca.Graphics)
{
return;
}
if (string.IsNullOrEmpty(RealText) && !string.IsNullOrEmpty(Text))
{
RealText = Text;
}
else if (string.IsNullOrEmpty(RealText))
{
return;
}
QRCodeControl bc = null;
try
{
bc = new QRCodeControl();
bc.IncludeLabel = IncludeLabel;
bc.backColor = BackColor;
bc.foreColor = ForeColor;
bc.CorrectionLevel = CorrectionLevel;
bc.EncodedMode = EncodedMode;
bc.QRCodeScale = QRCodeScale;
bc.RawData = RealText;
Image img = bc.PictureBoxImage;
if (null != img)
{
ca.Graphics.DrawImage(img, x, y, this.Width, this.Height);
img.Dispose();
}
}
catch (Exception ex)
{
string message = ex.Message;
if (!string.IsNullOrEmpty(message))
{
SizeF size = ca.Graphics.MeasureString(ErrorText, this.Font);
float left = ((float)this.Width - size.Width) / 2;
if (left < 0)
{
left = x;
}
else
{
left += x;
}
float top = ((float)this.Height - size.Height) / 2;
if (top < 0)
{
top = y;
}
else
{
top += y;
}
float width = this.Width > size.Width ? size.Width : this.Width;
float height = this.Height > size.Height ? size.Height : this.Height;
ca.Graphics.DrawString(ErrorText, this.Font, Brushes.Red, new RectangleF(left, top, width, height));
}
}
finally
{
if (null != bc)
{
bc.Dispose();
}
}
if (null != Border)
{
Border.Print(ca, x, y);
}
}
/// <summary>
/// 直接绘制
/// </summary>
/// <param name="ca"></param>
/// <param name="x"></param>
/// <param name="y"></param>
public override void DirectDraw(Canvas ca, float x, float y, float dpiZoom)
{
SetBorder();
MoveX = x;
MoveY = y;
if (null == ca || null == ca.Graphics)
{
return;
}
if (string.IsNullOrEmpty(RealText) && !string.IsNullOrEmpty(Text))
{
RealText = Text;
}
else if (string.IsNullOrEmpty(RealText))
{
return;
}
try
{
if (null == _QRCodeControl)
{
_QRCodeControl = new QRCodeControl();
_QRCodeControl.IncludeLabel = IncludeLabel;
_QRCodeControl.backColor = BackColor;
_QRCodeControl.foreColor = ForeColor;
_QRCodeControl.CorrectionLevel = CorrectionLevel;
_QRCodeControl.EncodedMode = EncodedMode;
_QRCodeControl.QRCodeScale = _QRCodeScale;
_QRCodeControl.Version = Version;
_QRCodeControl.RawData = RealText;
}
Image img = _QRCodeControl.PictureBoxImage;
if (null != img)
{
ca.Graphics.DrawImage(img, x, y, this.Width, this.Height);
img.Dispose();
}
}
catch (Exception ex)
{
string message = ex.Message;
if (!string.IsNullOrEmpty(message))
{
SizeF size = ca.Graphics.MeasureString(ErrorText, this.Font);
float left = ((float)this.Width - size.Width) / 2;
if (left < 0)
{
left = x;
}
else
{
left += x;
}
float top = ((float)this.Height - size.Height) / 2;
if (top < 0)
{
top = y;
}
else
{
top += y;
}
float width = this.Width > size.Width ? size.Width : this.Width;
float height = this.Height > size.Height ? size.Height : this.Height;
ca.Graphics.DrawString(ErrorText, this.Font, Brushes.Red, new RectangleF(left, top, width, height));
}
}
finally
{
if (null != _QRCodeControl)
{
_QRCodeControl.Dispose();
_QRCodeControl = null;
}
}
if (null != Border)
{
Border.DirectDraw(ca, x, y, dpiZoom);
}
}
