private static void UpdatePhoto(UIntPtr JPGPtr, UIntPtr width, UIntPtr height, UIntPtr size)
{
//Dispatch on main thread
Dispatch.Dispatch(() => {
if (JPGPtr == UIntPtr.Zero)
{
Ext.Warn("Failed to retrieve captured photo from device");
return;
}
Photo =
#if ALLOCATE_NEW_PHOTO_TEXTURES
new Texture2D((int)width, (int)height, TextureFormat.RGBA32, false);
#else
Photo ?? new Texture2D((int)width, (int)height, TextureFormat.RGBA32, false);
if (Photo.width != (int)width || Photo.height != (int)height) //Realloc if size is different
{
MonoBehaviour.Destroy(Photo);
Photo = new Texture2D((int)width, (int)height, TextureFormat.RGBA32, false);
}
#endif
Photo.LoadRawTextureData(unchecked ((IntPtr)(long)(ulong)JPGPtr), (int)size);
Photo.Apply();
ReleasePhotoBuffer();
PropagatePhoto(Photo);
});
}
public static void CapturePhoto()
{
if (!supportedDevice)
{
Ext.Warn("Current device has no cameras");
return;
}
if (Preview == null)
{
return;
}
if (!Preview.isPlaying)
{
return;
}
#if ALLOCATE_NEW_PHOTO_TEXTURES
Photo = new Texture2D(Preview.width, Preview.height);
#else
if (Photo == null)
{
Photo = new Texture2D(Preview.width, Preview.height);
}
#endif
lock (bufferLock) {
Preview.GetPixels32(PreviewBuffer);
Photo.SetPixels32(PreviewBuffer);
}
Photo.Apply();
PropagatePhoto(Photo);
}
public static void Play()
{
if (!supportedDevice)
{
Ext.Warn("Current device has no cameras");
return;
}
if (Preview == null) //First Play()
{
if (((Vector2)(DeviceCamera)mActiveCamera).x == 0) //Default
{
Preview = new WebCamTexture(WebCamTexture.devices[mActiveCamera].name);
}
else //Resolution set
{
Vector2 resolution = (Vector2)(DeviceCamera)mActiveCamera;
float frameRate = (float)(DeviceCamera)mActiveCamera;
if ((int)frameRate == 0)
{
Preview = new WebCamTexture(WebCamTexture.devices[mActiveCamera].name, (int)resolution.x, (int)resolution.y);
}
else
{
Preview = new WebCamTexture(WebCamTexture.devices[mActiveCamera].name, (int)resolution.x, (int)resolution.y, (int)frameRate);
}
}
}
Preview.Play();
}
public static void Pause()
{
if (!supportedDevice)
{
Ext.Warn("Current device has no cameras");
return;
}
Preview.Pause();
}
public static void SwitchActiveCamera()
{
if (!supportedDevice)
{
Ext.Warn("Current device has no cameras");
return;
}
FirstFrameReceived = false;
Preview.Stop();
Preview.deviceName = WebCamTexture.devices[mActiveCamera].name;
Preview.Play();
}
private static void UpdateCode(int format, IntPtr ptr, UIntPtr size)
{
//Get the string immediately since we can't guarantee memory preservation
if (ptr == IntPtr.Zero)
{
Ext.Warn("Detected barcode string does not exist");
return;
}
string code = Marshal.PtrToStringUni(ptr, unchecked ((int)(uint)size));
if (code == null)
{
Ext.Warn("Detected barcode string is null");
return;
}
//Dispatch on main thread
Dispatch.Dispatch(() => {
PropagateBarcode(new Barcode(code, (BarcodeFormat)format));
});
}