public void ImageCaptureCallback(CameraHandle hCamera, uint pFrameBuffer, ref tSdkFrameHead pFrameHead, uint pContext)
{
//ͼ�������ԭʼ���ת��ΪRGB��ʽ��λͼ���ݣ�ͬʱ���Ӱ�ƽ�⡢���Ͷȡ�LUT��ISP�����
MvApi.CameraImageProcess(hCamera, pFrameBuffer, (IntPtr)((int)m_ImageBuffer&(~0xf)), ref pFrameHead);
//����ʮ���ߡ��Զ��عⴰ�ڡ���ƽ�ⴰ����Ϣ(����������Ϊ�ɼ�״̬��)��
MvApi.CameraImageOverlay(hCamera, (IntPtr)((int)m_ImageBuffer & (~0xf)), ref pFrameHead);
//����SDK��װ�õĽӿڣ���ʾԤ��ͼ��
MvApi.CameraDisplayRGB24(hCamera, (IntPtr)((int)m_ImageBuffer & (~0xf)), ref pFrameHead);
m_tFrameHead = pFrameHead;
m_iDisplayedFrames++;
if (pFrameHead.iWidth != m_tFrameHead.iWidth || pFrameHead.iHeight != m_tFrameHead.iHeight)
{
timer2.Enabled = true;
timer2.Start();
m_tFrameHead = pFrameHead;
}
}
public void CaptureThreadProc()
{
CameraSdkStatus eStatus;
tSdkFrameHead FrameHead;
uint uRawBuffer;//rawbuffer��SDK�ڲ����롣Ӧ�ò㲻Ҫ����delete֮����ͷź���
while(m_bExitCaptureThread == false)
{
//500���볬ʱ,ͼ��û����ǰ���̻߳ᱻ����,�ͷ�CPU�����Ը��߳����������sleep
eStatus = MvApi.CameraGetImageBuffer(m_hCamera, out FrameHead, out uRawBuffer, 500);
if (eStatus == CameraSdkStatus.CAMERA_STATUS_SUCCESS)//����Ǵ���ģʽ�����п��ܳ�ʱ
{
//ͼ�������ԭʼ���ת��ΪRGB��ʽ��λͼ���ݣ�ͬʱ���Ӱ�ƽ�⡢���Ͷȡ�LUT��ISP�����
MvApi.CameraImageProcess(m_hCamera, uRawBuffer, m_ImageBuffer, ref FrameHead);
//����ʮ���ߡ��Զ��عⴰ�ڡ���ƽ�ⴰ����Ϣ(����������Ϊ�ɼ�״̬��)��
MvApi.CameraImageOverlay(m_hCamera, m_ImageBuffer, ref FrameHead);
//����SDK��װ�õĽӿڣ���ʾԤ��ͼ��
MvApi.CameraDisplayRGB24(m_hCamera, m_ImageBuffer, ref FrameHead);
//�ɹ�����CameraGetImageBuffer������ͷţ��´β��ܼ�������CameraGetImageBuffer����ͼ��
MvApi.CameraReleaseImageBuffer(m_hCamera,uRawBuffer);
if (FrameHead.iWidth != m_tFrameHead.iWidth || FrameHead.iHeight != m_tFrameHead.iHeight)
{
m_bEraseBk = true;
m_tFrameHead = FrameHead;
}
m_iDisplayedFrames++;
}
}
}
public static extern CameraSdkStatus CameraDisplayRGB24(
CameraHandle hCamera,
IntPtr pbyRGB24,
ref tSdkFrameHead pFrInfo
);
private Image convertImage(ref tSdkFrameHead tFrameHead, IntPtr pRgbBuffer)
{
BITMAPINFOHEADER bmi;
BITMAPFILEHEADER bmfi;
bmfi.bfType = ((int)'M' << 8) | ((int)'B');
bmfi.bfOffBits = 54;
bmfi.bfSize = (uint)(54 + tFrameHead.iWidth * tFrameHead.iHeight * 3);
bmfi.bfReserved1 = 0;
bmfi.bfReserved2 = 0;
bmi.biBitCount = 24;
bmi.biClrImportant = 0;
bmi.biClrUsed = 0;
bmi.biCompression = 0;
bmi.biPlanes = 1;
bmi.biSize = 40;
bmi.biHeight = tFrameHead.iHeight;
bmi.biWidth = tFrameHead.iWidth;
bmi.biXPelsPerMeter = 0;
bmi.biYPelsPerMeter = 0;
bmi.biSizeImage = 0;
MemoryStream stream = new MemoryStream();
BinaryWriter bw = new BinaryWriter(stream);
byte[] data = new byte[14];
IntPtr ptr = Marshal.AllocHGlobal(54);
Marshal.StructureToPtr((object)bmfi, ptr, false);
Marshal.Copy(ptr, data, 0, data.Length);
bw.Write(data);
data = new byte[40];
Marshal.StructureToPtr((object)bmi, ptr, false);
Marshal.Copy(ptr, data, 0, data.Length);
bw.Write(data);
data = new byte[tFrameHead.iWidth * tFrameHead.iHeight * 3];
Marshal.Copy(pRgbBuffer, data, 0, data.Length);
bw.Write(data);
Marshal.FreeHGlobal(ptr);
return Image.FromStream(stream);
}
public static extern CameraSdkStatus CameraSaveImage(
CameraHandle hCamera,
byte[] lpszFileName,
IntPtr pbyImageBuffer,
ref tSdkFrameHead pFrInfo,
emSdkFileType byFileType,
Byte byQuality
);
public static extern CameraSdkStatus CameraSnapToBuffer(
CameraHandle hCamera,
out tSdkFrameHead pFrameInfo,
out uint pbyBuffer,
uint uWaitTimeMs
);
public static extern CameraSdkStatus CameraPushFrame(
CameraHandle hCamera,
uint pbyImageBuffer,
ref tSdkFrameHead[] pFrInfo
);
public static extern CameraSdkStatus CameraImageProcessEx(
CameraHandle hCamera,
uint pbyIn,
IntPtr pbyOut,
ref tSdkFrameHead pFrInfo,
uint uOutFormat,
uint uReserved
);
public static extern CameraSdkStatus CameraImageProcess(
CameraHandle hCamera,
uint pbyIn,
IntPtr pbyOut,
ref tSdkFrameHead pFrInfo
);
public static extern CameraSdkStatus CameraImageOverlay(
CameraHandle hCamera,
IntPtr pRgbBuffer,
ref tSdkFrameHead pFrInfo
);
public static extern CameraSdkStatus CameraGetImageBuffer(
CameraHandle hCamera,
out tSdkFrameHead pFrameInfo,
out uint pbyBuffer,
uint wTimes
);
