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eyenov/pre
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@ -1,7 +1,6 @@
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package com.mrousavy.camera.core
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package com.mrousavy.camera.core
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import android.annotation.SuppressLint
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import android.annotation.SuppressLint
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import android.content.res.Configuration
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import android.content.Context
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import android.content.Context
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import android.graphics.Point
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import android.graphics.Point
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import android.util.Log
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import android.util.Log
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@ -98,47 +97,14 @@ class PreviewView(context: Context, callback: SurfaceHolder.Callback) :
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}
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}
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}
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}
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private fun getSize(contentSize: Size, containerSize: Size, resizeMode: ResizeMode): Size {
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override fun requestLayout() {
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var contentSize = contentSize
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super.requestLayout()
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var androidOrientation = context.getResources().getConfiguration().orientation;
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// Manually trigger measure & layout, as RN on Android skips those.
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// See this issue: https://github.com/facebook/react-native/issues/17968#issuecomment-721958427
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if (androidOrientation == Configuration.ORIENTATION_LANDSCAPE) {
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post {
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contentSize = Size(contentSize.height, contentSize.width)
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measure(MeasureSpec.makeMeasureSpec(width, MeasureSpec.EXACTLY), MeasureSpec.makeMeasureSpec(height, MeasureSpec.EXACTLY))
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layout(left, top, right, bottom)
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}
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}
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val contentAspectRatio = contentSize.width.toDouble() / contentSize.height
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val containerAspectRatio = containerSize.width.toDouble() / containerSize.height
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if (!(contentAspectRatio > 0 && containerAspectRatio > 0)) {
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// One of the aspect ratios is 0 or NaN, maybe the view hasn't been laid out yet.
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return contentSize
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}
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val widthOverHeight = when (resizeMode) {
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ResizeMode.COVER -> contentAspectRatio > containerAspectRatio
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ResizeMode.CONTAIN -> contentAspectRatio < containerAspectRatio
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}
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return if (widthOverHeight) {
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// Scale by width to cover height
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val scaledWidth = containerSize.height * contentAspectRatio
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Size(scaledWidth.roundToInt(), containerSize.height)
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} else {
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// Scale by height to cover width
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val scaledHeight = containerSize.width / contentAspectRatio
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Size(containerSize.width, scaledHeight.roundToInt())
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}
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}
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@SuppressLint("DrawAllocation")
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override fun onMeasure(widthMeasureSpec: Int, heightMeasureSpec: Int) {
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super.onMeasure(widthMeasureSpec, heightMeasureSpec)
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val measuredViewSize = Size(MeasureSpec.getSize(widthMeasureSpec), MeasureSpec.getSize(heightMeasureSpec))
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val surfaceSize = size.rotatedBy(inputOrientation)
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val fittedSize = getSize(surfaceSize, measuredViewSize, resizeMode)
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Log.i(TAG, "PreviewView is $measuredViewSize rendering $surfaceSize orientation ($orientation). Resizing to: $fittedSize ($resizeMode)")
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setMeasuredDimension(fittedSize.width, fittedSize.height)
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}
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}
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companion object {
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companion object {
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@ -50,12 +50,4 @@ extension CameraView: AVCaptureVideoDataOutputSampleBufferDelegate, AVCaptureAud
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func resumeRecording(promise: Promise) {
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func resumeRecording(promise: Promise) {
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cameraSession.resumeRecording(promise: promise)
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cameraSession.resumeRecording(promise: promise)
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}
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}
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func lockExposure(promise: Promise) {
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cameraSession.lockCurrentExposure(promise: promise)
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}
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func unlockExposure(promise: Promise) {
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cameraSession.unlockCurrentExposure(promise: promise)
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}
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}
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}
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@ -86,13 +86,5 @@ RCT_EXTERN_METHOD(focus
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: (NSDictionary*)point resolve
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: (NSDictionary*)point resolve
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: (RCTPromiseResolveBlock)resolve reject
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: (RCTPromiseResolveBlock)resolve reject
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: (RCTPromiseRejectBlock)reject);
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: (RCTPromiseRejectBlock)reject);
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RCT_EXTERN_METHOD(lockCurrentExposure
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: (nonnull NSNumber*)node resolve
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: (RCTPromiseResolveBlock)resolve reject
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: (RCTPromiseRejectBlock)reject);
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RCT_EXTERN_METHOD(unlockCurrentExposure
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: (nonnull NSNumber*)node resolve
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: (RCTPromiseResolveBlock)resolve reject
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: (RCTPromiseRejectBlock)reject);
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@end
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@end
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@ -111,18 +111,6 @@ final class CameraViewManager: RCTViewManager {
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}
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}
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}
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}
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@objc
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final func lockCurrentExposure(_ node: NSNumber, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
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let component = getCameraView(withTag: node)
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component.lockExposure(promise: Promise(resolver: resolve, rejecter: reject))
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}
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@objc
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final func unlockCurrentExposure(_ node: NSNumber, resolve: @escaping RCTPromiseResolveBlock, reject: @escaping RCTPromiseRejectBlock) {
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let component = getCameraView(withTag: node)
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component.unlockExposure(promise: Promise(resolver: resolve, rejecter: reject))
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}
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// MARK: Private
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// MARK: Private
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private func getCameraView(withTag tag: NSNumber) -> CameraView {
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private func getCameraView(withTag tag: NSNumber) -> CameraView {
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@ -191,68 +191,4 @@ extension CameraSession {
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}
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}
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}
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}
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}
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}
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func lockCurrentExposure(promise: Promise) {
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CameraQueues.cameraQueue.async {
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withPromise(promise) {
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guard let captureDevice = AVCaptureDevice.default(for: .video) else {
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print("No capture device available")
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return
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}
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guard captureDevice.isExposureModeSupported(.custom) else {
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ReactLogger.log(level: .info, message: "Custom exposure mode not supported")
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return
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}
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do {
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// Lock the device for configuration
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try captureDevice.lockForConfiguration()
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// Get the current exposure duration and ISO
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let currentExposureDuration = captureDevice.exposureDuration
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let currentISO = captureDevice.iso
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// Check if the device supports custom exposure settings
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if captureDevice.isExposureModeSupported(.custom) {
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// Lock the current exposure and ISO by setting custom exposure mode
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captureDevice.setExposureModeCustom(duration: currentExposureDuration, iso: currentISO, completionHandler: nil)
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ReactLogger.log(level: .info, message: "Exposure and ISO locked at current values")
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} else {
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ReactLogger.log(level: .info, message:"Custom exposure mode not supported")
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}
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// Unlock the device after configuration
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captureDevice.unlockForConfiguration()
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} catch {
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ReactLogger.log(level: .warning, message:"Error locking exposure: \(error)")
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}
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return nil
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}
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}
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}
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func unlockCurrentExposure(promise: Promise) {
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CameraQueues.cameraQueue.async {
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withPromise(promise) {
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guard let captureDevice = AVCaptureDevice.default(for: .video) else {
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print("No capture device available")
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return
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}
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do {
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if captureDevice.isExposureModeSupported(.autoExpose) {
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try captureDevice.lockForConfiguration()
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captureDevice.exposureMode = .continuousAutoExposure
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captureDevice.unlockForConfiguration()
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}
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} catch {
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ReactLogger.log(level: .warning, message:"Error unlocking exposure: \(error)")
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}
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return nil
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}
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}
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}
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}
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}
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@ -319,22 +319,6 @@ export class Camera extends React.PureComponent<CameraProps, CameraState> {
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throw tryParseNativeCameraError(e)
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throw tryParseNativeCameraError(e)
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}
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}
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}
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}
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public async lockCurrentExposure(): Promise<void> {
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try {
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return await CameraModule.lockCurrentExposure(this.handle)
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} catch (e) {
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throw tryParseNativeCameraError(e)
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}
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}
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public async unlockCurrentExposure(): Promise<void> {
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try {
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return await CameraModule.unlockCurrentExposure(this.handle)
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} catch (e) {
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throw tryParseNativeCameraError(e)
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}
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}
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//#endregion
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//#endregion
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//#region Static Functions (NativeModule)
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//#region Static Functions (NativeModule)
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