/// <summary>
/// 生成卷烟品牌的图片
/// 其中每5个品牌为一个组
/// 图片640的宽度只能放下5个品牌名称
/// </summary>
/// <param name="picture"></param>
/// <param name="startledgroup">起始组</param>
/// <param name="endledgroup">结束组</param>
/// <param name="filename">保存文件名</param>
/// <returns></returns>
public bool CreateCigNamePic(PictureBox picture, int startledgroup, int endledgroup, string filename)
{
try
{
Bitmap image = new Bitmap(640, 192);
int left = image.Height / 2 - 18;
int top = -image.Width / 2;
//创建Graphics类对象
Graphics g = Graphics.FromImage(image);
//设置旋转中心点
g.TranslateTransform(image.Width / 2, image.Height / 2);
//设置旋转角度
g.RotateTransform(-90);
LedDisplay ledDisplay = new LedDisplay();
ledDisplay.GetLedLineboxs();
//将文本生成到图片框内
int leftoffset = 1;
for (int i = startledgroup; i <= endledgroup; i++)
{
//按组获取显示的名称拼成字符串
string ledstring = ledDisplay.GetCigNames(i);
int topmove = 0;
foreach (char c in ledstring)
{
//画名称
g.DrawString(c.ToString(), Font, new SolidBrush(Color.Red), left - ((leftoffset - 1) * 16), top + topmove);
topmove += 16;
}
leftoffset++;
//LED屏有问题必须写空两行再写
int j = 1;
if (i == 2 || i == 8)
{
//写两行空白字符
while (j++ <= 2)
{
//空白字符
ledstring = " ";
topmove = 0;
foreach (char c in ledstring)
{
//画名称
g.DrawString(c.ToString(), Font, new SolidBrush(Color.Red), left - ((leftoffset - 1) * 16), top + topmove);
topmove += 16;
}
leftoffset++;
}
}
}
g.ResetTransform();
//显示生成的图片
picture.Image = (Image)image;
picture.Image.Save(filename, ImageFormat.Bmp);
Stream path = new FileStream(filename, FileMode.Open, FileAccess.Read, FileShare.Read);
Image img = new Bitmap(path);
picture.Image = img;
path.Close();
path.Dispose();
return(true);
}
catch (Exception ex)
{
return(false);
}
}