本文整理汇总了C#中Android.Hardware.Camera.GetParameters方法的典型用法代码示例。如果您正苦于以下问题：C# Camera.GetParameters方法的具体用法？C# Camera.GetParameters怎么用？C# Camera.GetParameters使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Android.Hardware.Camera的用法示例。
在下文中一共展示了Camera.GetParameters方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: StartPreview
protected sealed override void StartPreview()
{
_camera = Camera.Open((int)CurrentCamera);
_camera.SetDisplayOrientation(90);
var parameters = _camera.GetParameters();
if (parameters.SupportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousPicture))
{
parameters.FocusMode = Camera.Parameters.FocusModeContinuousPicture;
}
var optimalSize = GetOptimalPreviewSize(_width, _height);
if (optimalSize != null)
{
parameters.SetPreviewSize(optimalSize.Width, optimalSize.Height);
}
_camera.SetParameters(parameters);
try
{
_camera.SetPreviewTexture(_surface);
_camera.StartPreview();
}
catch (Java.IO.IOException ex)
{
Console.WriteLine(ex.Message);
}
}示例2: StartCamera
protected void StartCamera() {
if (_Camera == null) {
_Camera = Camera.Open();
_CameraSupportedFlashModes = _CameraSupportedFlashModes ?? _Camera.GetParameters().SupportedFlashModes;
if (_CameraSupportedFlashModes == null || !_CameraSupportedFlashModes.Contains(FlashlightOnMode) || !_CameraSupportedFlashModes.Contains(FlashlightOffMode)) {
StopCamera();
}
}
}示例3: Liga
public bool Liga()
{
if (TemFlash)
{
camera = Camera.Open();
var parametros = camera.GetParameters();
parametros.FlashMode = Camera.Parameters.FlashModeTorch;
camera.SetParameters(parametros);
camera.StartPreview();
return true;
}
return false;
}示例4: OnSurfaceTextureAvailable
public void OnSurfaceTextureAvailable (Android.Graphics.SurfaceTexture surface, int width, int height)
{
_camera = Camera.Open ();
var previewSize = _camera.GetParameters ().PreviewSize;
_textureView.LayoutParameters =
new FrameLayout.LayoutParams (previewSize.Width, previewSize.Height, (int)GravityFlags.Center);
try {
_camera.SetPreviewTexture (surface);
_camera.StartPreview ();
} catch (Java.IO.IOException ex) {
Console.WriteLine (ex.Message);
}
// this is the sort of thing TextureView enables
_textureView.Rotation = 45.0f;
_textureView.Alpha = 0.5f;
}示例5: OnPreviewFrame
public void OnPreviewFrame (byte[] data, Camera camera)
{
var parameters = camera.GetParameters ();
var size = parameters.PreviewSize;
var barcode = new Image (size.Width, size.Height, "Y800");
barcode.SetData (data);
var result = scanner.ScanImage (barcode);
if (result == 0)
return;
camera.SetPreviewCallback (null);
camera.StopPreview ();
var scannerResult = GetScannerResult ();
ScanComplete?.Invoke (this, new ScanCompleteEventArgs (scannerResult));
}示例6: OnPreviewFrame
public void OnPreviewFrame(byte[] data, Camera camera)
{
if (!_busy && ImagePreview != null)
try
{
_busy = true;
Camera.Size cSize = camera.GetParameters().PreviewSize;
_imageSize = new Size(cSize.Width, cSize.Height);
Size size = _imageSize;
Image<Bgr, Byte> image = _bgrBuffers.GetBuffer(size, 0);
GCHandle handle = GCHandle.Alloc(data, GCHandleType.Pinned);
using (Image<Gray, Byte> yuv420sp = new Image<Gray, byte>(size.Width, (size.Height >> 1) * 3, size.Width, handle.AddrOfPinnedObject()))
{
ImagePreview(this, new ImagePreviewEventArgs(yuv420sp, image));
}
handle.Free();
Invalidate();
}
finally
{
_busy = false;
}
if (_cameraPreviewCallbackWithBuffer)
camera.AddCallbackBuffer(data);
}示例7: SetCameraOptimalPreviewSize
private static Camera.Size SetCameraOptimalPreviewSize(Camera camera, int w, int h)
{
Camera.Parameters parameters = camera.GetParameters();
IList<Camera.Size> sizes = parameters.SupportedPreviewSizes;
int maxWidth = 512, maxHeight = 512;
Camera.Size optimalSize = GetOptimalPreviewSize(sizes, w, h, maxWidth, maxHeight);
parameters.SetPreviewSize(optimalSize.Width, optimalSize.Height);
camera.SetParameters(parameters);
return optimalSize;
}示例8: OnPreviewFrame
public void OnPreviewFrame(byte[] data, Camera camera)
{
lock (syncObj)
{
if (flgReqTakePic)
{
flgReqTakePic = false;
}
else
{
return;
}
}
try
{
//JPEG圧縮を行うため、別スレッドで処理を行う
TaskExt.Run(() =>
{
//データを読み取り
Camera.Parameters parameters = camera.GetParameters();
Camera.Size size = parameters.PreviewSize;
using (Android.Graphics.YuvImage image = new Android.Graphics.YuvImage(data, parameters.PreviewFormat,
size.Width, size.Height, null))
{
//データをJPGに変換してメモリに保持
using (MemoryStream ms = new MemoryStream())
{
image.CompressToJpeg(
new Android.Graphics.Rect(0, 0, image.Width, image.Height), 90,
ms);
ms.Close(); // Closeしてからでないと、ToArrayは正常に取得できない
byte[] jpegData = ms.ToArray();
OnPictureTaken(new PicData(jpegData, DateTime.Now, new LocationData()));
}
}
});
}
catch (Exception ex)
{
OnError(ex);
}
}示例9: SwitchCamera
public void SwitchCamera(Camera camera)
{
SetCamera (camera);
try {
camera.SetPreviewDisplay (mHolder);
} catch (IOException exception) {
Log.Error (TAG, "IOException caused by setPreviewDisplay()", exception);
}
Camera.Parameters parameters = camera.GetParameters ();
parameters.SetPreviewSize (mPreviewSize.Width, mPreviewSize.Height);
RequestLayout();
camera.SetParameters (parameters);
}示例10: SetCamera
public void SetCamera(Camera camera)
{
mCamera = camera;
if (mCamera != null) {
mSupportedPreviewSizes = mCamera.GetParameters ()
.SupportedPreviewSizes;
RequestLayout ();
}
}示例11: CreateCamera
/// <summary>
/// Create the camera and try to set auto focus with flash
/// </summary>
/// <param name="holder"></param>
public void CreateCamera(ISurfaceHolder holder) {
try
{
_camera = Camera.Open();
Camera.Parameters p = _camera.GetParameters();
p.PictureFormat = Android.Graphics.ImageFormatType.Jpeg;
p.JpegQuality = 100;
hasAutoFocus = (p.SupportedFocusModes.Contains(Camera.Parameters.FocusModeAuto));
if (hasAutoFocus)
{
p.FocusMode = Camera.Parameters.FocusModeAuto;
focusReady = true;
}
else if (p.SupportedFocusModes.Contains(Camera.Parameters.FocusModeContinuousPicture))
{
p.FocusMode = Camera.Parameters.FocusModeContinuousPicture;
}
if (p.SupportedFlashModes.Contains(Camera.Parameters.FlashModeOn))
{
p.FlashMode = Camera.Parameters.FlashModeOn;
}
_camera.SetParameters(p);
_camera.SetDisplayOrientation(90);
_camera.SetPreviewCallback(this);
_camera.Lock();
_camera.SetPreviewDisplay(holder);
_camera.StartPreview();
if (hasAutoFocus)
{
Toast.MakeText(this, "Press screen to focus", ToastLength.Long).Show();
}
}
catch (Exception e)
{
}
}示例12: GetCamera
// getting camera parameters
private void GetCamera() {
if (camera == null) {
try {
camera = Android.Hardware.Camera.Open();
params1 = camera.GetParameters();
} catch (Exception e) {
Log.Error("Camera Error. Failed to Open. Error: ", e.Message);
}
}
}