private void onStart(int texPtr, int width, int height)
{
dispatch.Dispatch(() => {
preview = preview ?? Texture2D.CreateExternalTexture(width, height, TextureFormat.RGBA32, false, false, (IntPtr)texPtr);
if (preview.width != width || preview.height != height)
{
preview.Resize(width, height, preview.format, false);
}
if (OnStart != null)
{
OnStart();
}
});
}
public void Play()
{
if (!supportedDevice)
{
return;
}
if (dispatch == null)
{
dispatch = new MainDispatch();
dispatch.Dispatch(Update, true);
}
if (preview == null)
{
int width, height, rate = (int)device.GetFramerate(camera);
string name = WebCamTexture.devices[camera].name;
device.GetPreviewResolution(camera, out width, out height);
rate = rate == 0 ? 30 : rate;
preview = width == 0 ? new WebCamTexture(name) : new WebCamTexture(name, width, height, rate);
}
#if NATCAM_EXTENDED
SetDetection(OnMetadata != null);
#endif
firstFrame = true;
preview.Play();
}
/*
* 现在发送网络消息，都统一走EventCenter
*/
public override void DispatchToRealHandler()
{
if (dispatch != null)
{
dispatch.Dispatch(this);
}
}
private void Update()
{
// Check that we are playing
if (
!PreviewTexture ||
!PreviewTexture.isPlaying ||
!PreviewTexture.didUpdateThisFrame ||
PreviewTexture.width == 16 ||
PreviewTexture.height == 16
)
{
if (dispatch != null)
{
dispatch.Dispatch(Update);
}
return;
}
// Update preview buffer
if (previewBuffer == null)
{
previewBuffer = PreviewTexture.GetPixels32();
}
else
{
PreviewTexture.GetPixels32(previewBuffer);
}
// Invoke events
if (firstFrame)
{
if (OnStart != null)
{
OnStart();
}
firstFrame = false;
}
if (OnFrame != null)
{
OnFrame();
}
// Re-invoke
if (dispatch != null)
{
dispatch.Dispatch(Update);
}
}
public static void DetectBarcode(Color32[] frame, int width, int height, IDispatch dispatch, MetadataCallback <IMetadata> callback)
{
if (frame == null || dispatch == null || callback == null)
{
return;
}
#if ZXING_API
var results = reader.DecodeMultiple(frame, width, height);
dispatch.Dispatch(() => results.ForEach(result => callback(NatCamBarcode(result))));
#endif
}
public void Update()
{
if (Input.GetKey(KeyCode.Space))
{
sourceDispatcher.Dispatch();
}
else
{
dispatchcer.Dispatch();
}
}
public void Update()
{
if (Input.GetKey(KeyCode.Space))
{
sourceDispatcher.Dispatch();
}
else
{
dispatchcer.Dispatch();
}
if (tensionDispatcher != null)
{
tensionDispatcher.Dispatch();
}
}
public static void RotateImage(Texture2D texture, Orientation rotation, IDispatch workerDispatch, IDispatch mainDispatch, PhotoCallback callback)
{
if (callback == null)
{
return;
}
if (rotation == 0)
{
callback(texture, rotation); return;
}
int width = texture.width, height = texture.height;
Color32[] src = texture.GetPixels32(), dst = new Color32[src.Length];
Action completion = () => {
if (((int)rotation & 7) % 2 != 0)
{
texture.Resize(height, width);
}
texture.SetPixels32(dst);
texture.Apply();
src = dst = null;
GC.Collect(); // No guarantees, but just have it anyway
callback(texture, (Orientation)rotation);
};
Action process = () => {
RotateImage(dst, src, width, height, (byte)rotation);
if (mainDispatch != null)
{
mainDispatch.Dispatch(completion);
}
else
{
completion();
}
};
if (workerDispatch != null)
{
workerDispatch.Dispatch(process);
}
else
{
process();
}
}
public void Play()
{
// Create dispatch
if (dispatch == null)
{
dispatch = new MainDispatch();
dispatch.Dispatch(Update);
}
// Create preview
if (!PreviewTexture)
{
string name = WebCamTexture.devices[camera].name;
var resolution = Device.GetPreviewResolution(camera);
var rate = Mathf.Max(30, (int)Device.GetFramerate(camera));
PreviewTexture = resolution.width == 0 ? new WebCamTexture(name) : new WebCamTexture(name, resolution.width, resolution.height, rate);
}
// Start preview
firstFrame = true;
PreviewTexture.Play();
}
private void MetadataUpdate()
{
int width = preview.width, height = preview.height, size = width * height;
lock (bufferFence) {
if (metadataBuffer != null && metadataBuffer.Length != size)
{
metadataBuffer = null;
}
metadataBuffer = metadataBuffer ?? new Color32[size];
preview.GetPixels32(metadataBuffer);
}
metadataDispatch.Dispatch(() => {
if (dispatchBuffer != null && dispatchBuffer.Length != size)
{
dispatchBuffer = null;
}
dispatchBuffer = dispatchBuffer ?? new Color32[size];
lock (bufferFence) Array.Copy(metadataBuffer, dispatchBuffer, size);
DetectBarcode(dispatchBuffer, width, height, dispatch, OnMetadata);
});
}