Win7 ? 2 : 0)), new Size(resultImage.Size.Width, resultImage.Size.Height - (6 + (isWin7 ? 2 : 0))));
if (!string.IsNullOrEmpty(XH))
{
string str = "";
if (this.XH != "")
{
str = this.XH;
}
else if (this.SFZH != "")
{
str = this.SFZH;
}
else if (this.KSH != "")
{
str = this.KSH;
}
if (this.checkBox2.Checked)
{
str = XM + " " + str;
}
int txtWidth = (int)(g.MeasureString(str, new Font("宋体", 9)).Width * 1.1);
Rectangle rec = new Rectangle((resultImage.Width - txtWidth) / 2, resultImage.Height - 16, txtWidth, 15);
g.FillRectangle(Brushes.White, rec);
StringFormat sf = new StringFormat();
sf.LineAlignment = StringAlignment.Center;
sf.Alignment = StringAlignment.Center;
rec.Height++;
g.DrawString(str, new Font("宋体", 9), Brushes.Black, rec, sf);
}
this.pictureBox_tx.Image = resultImage;
}
else
{
this.pictureBox_tx.Image = null;
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message, "", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
//选择摄像装置
private void cmbCaptureDevice_SelectedIndexChanged(object sender, EventArgs e)
{
if (this.cmbCaptureDevice.SelectedItem != null)
{
this.cmbDeviceCapability.Items.Clear();
VideoCaptureDevice device = new VideoCaptureDevice(((DeviceInfo)this.cmbCaptureDevice.SelectedItem).MonikerString);
for (int i = 0; i < device.VideoCapabilities.Length; i++)
{
VideoCapabilities capabilities = device.VideoCapabilities[i];
DeviceCapabilityInfo item = new DeviceCapabilityInfo(capabilities.FrameSize);
this.cmbDeviceCapability.Items.Add(item);
}
DeviceInfo selectedItem = (DeviceInfo)this.cmbCaptureDevice.SelectedItem;
if (this.captureAForge != null)
{
this.captureAForge.NewFrame -= new NewFrameEventHandler(this.captureAForge_NewFrame);
//this.captureAForge.SnapshotFrame -= new NewFrameEventHandler(this.captureAForge_SnapshotFrame);
if (this.captureAForge.IsRunning)
{
this.captureAForge.SignalToStop();
}
this.captureAForge.WaitForStop();
this.captureAForge = null;
}
this.captureAForge = new VideoCaptureDevice(selectedItem.MonikerString);
this.captureAForge.ProvideSnapshots = true;
this.captureAForge.NewFrame += new NewFrameEventHandler(this.captureAForge_NewFrame);
//this.captureAForge.SnapshotFrame += new NewFrameEventHandler(this.captureAForge_SnapshotFrame);
if (this.cmbDeviceCapability.Items.Count > 0)
{
this.cmbDeviceCapability.SelectedIndex = 0;
}
}
}
//选择分辨率
private void cmbDeviceCapability_SelectedIndexChanged(object sender, EventArgs e)
{
string[] strArray = this.cmbDeviceCapability.Text.Trim().Split(new char[] { 'x' });
int width = int.Parse(strArray[0]);
int height = int.Parse(strArray[1]);
if (this.captureAForge != null)
{
if (this.captureAForge.IsRunning)
{
this.captureAForge.SignalToStop();
}
this.captureAForge.WaitForStop();
this.captureAForge.DesiredFrameSize = new Size(width, height);
this.captureAForge.DesiredSnapshotSize = new Size(width, height);
//this.captureAForge.DesiredFrameRate = 1000;
this.captureAForge.Start();
}
}
