protected override Bitmap DoStrImgConvert(StrImgConvertWrap wrap)
{
//н¨»æ»Í¼Ïñ
Bitmap map = new Bitmap(wrap.size.Width, wrap.size.Height);
//·ÖÎöRtf´®»ñµÃ
ParseRtfString(wrap.str);
//¼ÆËã»æ»ÐÅÏ¢
CalcRtfDrawingInfo(m_rtfFormatList, wrap.size);
//Ö´Ðл滲Ù×÷
using (Graphics grap = Graphics.FromImage(map))
{
//ÇåÆÁ£¬ÒÔ°×ɫΪµ×
grap.Clear(Color.White);
//»æÖÆ×Ö·û
foreach (RtfFormat format in m_rtfFormatList)
{
grap.DrawString(format.content, format.font, Brushes.Black, format.px, format.py);
}
}
//ÊÍ·Å×ÖÌåÐÅÏ¢
m_superSubFont.Dispose();
m_font.Dispose();
//·µ»ØͼÏñ
return(map);
}
/// <summary>
/// 实现StrImgCStrategy中的DoStrImgConvert
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
protected override Bitmap DoStrImgConvert(StrImgConvertWrap wrap)
{
//重现RTF视图
if (wrap.str.StartsWith(RtfEncoding.RtfFlag))
{
tempRichBox.Rtf = wrap.str;
}
else
{
tempRichBox.SelectedText = wrap.str;
}
//生成图像
return(Format2Image(tempRichBox, wrap.size));
}