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Fix camera scaling issues on some phones.

Browse Source 
Some phones, notably the Pixel 3, had some problems with scaling after
taking photos. This fixes it by using the takePicture API instead of
pulling the bitmap from the TextureView.

Fixes #8292
pull/1/head
Greyson Parrelli 6 years ago
parent 76054a9e33
commit 91db26437d
3 changed files with 159 additions and 59 deletions
Show Stats Download Patch File Download Diff File

101
src/org/thoughtcrime/securesms/camera/Camera1Controller.java
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@ -7,7 +7,6 @@ import android.view.Surface;
import org.thoughtcrime.securesms.logging.Log;
import java.io.IOException;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
@ -16,6 +15,9 @@ public class Camera1Controller {
private static final String TAG = Camera1Controller.class.getSimpleName();
private final int screenWidth;
private final int screenHeight;
private Camera camera;
private int cameraId;
private OrderEnforcer<Stage> enforcer;
@ -23,10 +25,12 @@ public class Camera1Controller {
private SurfaceTexture previewSurface;
private int screenRotation;
public Camera1Controller(int preferredDirection, @NonNull EventListener eventListener) {
public Camera1Controller(int preferredDirection, int screenWidth, int screenHeight, @NonNull EventListener eventListener) {
this.eventListener = eventListener;
this.enforcer = new OrderEnforcer<>(Stage.INITIALIZED, Stage.PREVIEW_STARTED);
this.cameraId = Camera.getNumberOfCameras() > 1 ? preferredDirection : Camera.CameraInfo.CAMERA_FACING_BACK;
this.screenWidth = screenWidth;
this.screenHeight = screenHeight;
}
public void initialize() {
@ -49,11 +53,18 @@ public class Camera1Controller {
return;
}
Camera.Parameters params = camera.getParameters();
Camera.Size maxSize = getMaxSupportedPreviewSize(camera);
final List<String> focusModes = params.getSupportedFocusModes();
Camera.Parameters params = camera.getParameters();
Camera.Size previewSize = getClosestSize(camera.getParameters().getSupportedPreviewSizes(), screenWidth, screenHeight);
Camera.Size pictureSize = getClosestSize(camera.getParameters().getSupportedPictureSizes(), screenWidth, screenHeight);
final List<String> focusModes = params.getSupportedFocusModes();
Log.d(TAG, "Preview size: " + previewSize.width + "x" + previewSize.height + " Picture size: " + pictureSize.width + "x" + pictureSize.height);
params.setPreviewSize(maxSize.width, maxSize.height);
params.setPreviewSize(previewSize.width, previewSize.height);
params.setPictureSize(pictureSize.width, pictureSize.height);
params.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
params.setColorEffect(Camera.Parameters.EFFECT_NONE);
params.setWhiteBalance(Camera.Parameters.WHITE_BALANCE_AUTO);
if (focusModes.contains(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE)) {
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_PICTURE);
@ -61,6 +72,7 @@ public class Camera1Controller {
params.setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO);
}
camera.setParameters(params);
enforcer.markCompleted(Stage.INITIALIZED);
@ -96,6 +108,14 @@ public class Camera1Controller {
});
}
public void capture(@NonNull CaptureCallback callback) {
enforcer.run(Stage.PREVIEW_STARTED, () -> {
camera.takePicture(null, null, null, (data, camera) -> {
callback.onCaptureAvailable(data, cameraId == Camera.CameraInfo.CAMERA_FACING_FRONT);
});
});
}
public int flip() {
Log.d(TAG, "flip()");
SurfaceTexture surfaceTexture = previewSurface;
@ -115,13 +135,15 @@ public class Camera1Controller {
Log.d(TAG, "setScreenRotation(" + screenRotation + ") executing");
this.screenRotation = screenRotation;
int rotation = getCameraRotationForScreen(screenRotation);
camera.setDisplayOrientation(rotation);
int previewRotation = getPreviewRotation(screenRotation);
int outputRotation = getOutputRotation(screenRotation);
Log.d(TAG, "Set camera rotation to: " + rotation);
Log.d(TAG, "Preview rotation: " + previewRotation + " Output rotation: " + outputRotation);
camera.setDisplayOrientation(previewRotation);
Camera.Parameters params = camera.getParameters();
params.setRotation(rotation);
params.setRotation(outputRotation);
camera.setParameters(params);
});
}
@ -136,33 +158,58 @@ public class Camera1Controller {
return new Properties(Camera.getNumberOfCameras(), previewSize.width, previewSize.height);
}
private Camera.Size getMaxSupportedPreviewSize(Camera camera) {
List<Camera.Size> cameraSizes = camera.getParameters().getSupportedPreviewSizes();
Collections.sort(cameraSizes, DESC_SIZE_COMPARATOR);
return cameraSizes.get(0);
private Camera.Size getClosestSize(List<Camera.Size> sizes, int width, int height) {
Collections.sort(sizes, ASC_SIZE_COMPARATOR);
int i = 0;
while (i < sizes.size() && (sizes.get(i).width * sizes.get(i).height) < (width * height)) {
i++;
}
return sizes.get(Math.min(i, sizes.size() - 1));
}
private int getCameraRotationForScreen(int screenRotation) {
int degrees = 0;
private int getOutputRotation(int displayRotationCode) {
int degrees = convertRotationToDegrees(displayRotationCode);
switch (screenRotation) {
case Surface.ROTATION_0: degrees = 0; break;
case Surface.ROTATION_90: degrees = 90; break;
case Surface.ROTATION_180: degrees = 180; break;
case Surface.ROTATION_270: degrees = 270; break;
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(cameraId, info);
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
return (info.orientation + degrees) % 360;
} else {
return (info.orientation - degrees + 360) % 360;
}
}
private int getPreviewRotation(int displayRotationCode) {
int degrees = convertRotationToDegrees(displayRotationCode);
Camera.CameraInfo info = new Camera.CameraInfo();
Camera.getCameraInfo(cameraId, info);
int result;
if (info.facing == Camera.CameraInfo.CAMERA_FACING_FRONT) {
return (360 - ((info.orientation + degrees) % 360)) % 360;
result = (info.orientation + degrees) % 360;
result = (360 - result) % 360;
} else {
return (info.orientation - degrees + 360) % 360;
result = (info.orientation - degrees + 360) % 360;
}
return result;
}
private final Comparator<Camera.Size> DESC_SIZE_COMPARATOR = (o1, o2) -> Integer.compare(o2.width * o2.height, o1.width * o1.height);
private int convertRotationToDegrees(int screenRotation) {
switch (screenRotation) {
case Surface.ROTATION_0: return 0;
case Surface.ROTATION_90: return 90;
case Surface.ROTATION_180: return 180;
case Surface.ROTATION_270: return 270;
}
return 0;
}
private final Comparator<Camera.Size> ASC_SIZE_COMPARATOR = (o1, o2) -> Integer.compare(o1.width * o1.height, o2.width * o2.height);
private enum Stage {
INITIALIZED, PREVIEW_STARTED
@ -194,7 +241,7 @@ public class Camera1Controller {
@Override
public String toString() {
return "cameraCount: " + camera + " previewWidth: " + previewWidth + " previewHeight: " + previewHeight;
return "cameraCount: " + cameraCount + " previewWidth: " + previewWidth + " previewHeight: " + previewHeight;
}
}
@ -202,4 +249,8 @@ public class Camera1Controller {
void onPropertiesAvailable(@NonNull Properties properties);
void onCameraUnavailable();
}
interface CaptureCallback {
void onCaptureAvailable(@NonNull byte[] jpegData, boolean frontFacing);
}
}

84
src/org/thoughtcrime/securesms/camera/Camera1Fragment.java
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@ -1,35 +1,43 @@
package org.thoughtcrime.securesms.camera;
import android.annotation.SuppressLint;
import android.annotation.TargetApi;
import android.content.res.Configuration;
import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.graphics.Point;
import android.graphics.PointF;
import android.graphics.SurfaceTexture;
import android.graphics.drawable.Drawable;
import android.hardware.Camera;
import android.media.MediaActionSound;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.view.Display;
import android.view.GestureDetector;
import android.view.LayoutInflater;
import android.view.MotionEvent;
import android.view.TextureView;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.ImageButton;
import com.bumptech.glide.load.MultiTransformation;
import com.bumptech.glide.load.Transformation;
import com.bumptech.glide.load.resource.bitmap.CenterCrop;
import com.bumptech.glide.request.target.SimpleTarget;
import com.bumptech.glide.request.transition.Transition;
import org.thoughtcrime.securesms.R;
import org.thoughtcrime.securesms.logging.Log;
import org.thoughtcrime.securesms.mms.GlideApp;
import org.thoughtcrime.securesms.util.ServiceUtil;
import org.thoughtcrime.securesms.util.Stopwatch;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
import org.thoughtcrime.securesms.util.concurrent.LifecycleBoundTask;
import java.io.ByteArrayOutputStream;
@ -59,8 +67,14 @@ public class Camera1Fragment extends Fragment implements TextureView.SurfaceText
throw new IllegalStateException("Parent activity must implement the Controller interface.");
}
WindowManager windowManager = ServiceUtil.getWindowManager(getActivity());
Display display = windowManager.getDefaultDisplay();
Point displaySize = new Point();
display.getSize(displaySize);
controller = (Controller) getActivity();
camera = new Camera1Controller(TextSecurePreferences.getDirectCaptureCameraId(getContext()), this);
camera = new Camera1Controller(TextSecurePreferences.getDirectCaptureCameraId(getContext()), displaySize.x, displaySize.y, this);
orderEnforcer = new OrderEnforcer<>(Stage.SURFACE_AVAILABLE, Stage.CAMERA_PROPERTIES_AVAILABLE);
}
@ -190,42 +204,40 @@ public class Camera1Fragment extends Fragment implements TextureView.SurfaceText
private void onCaptureClicked() {
orderEnforcer.reset();
Stopwatch fastCaptureTimer = new Stopwatch("Fast Capture");
Stopwatch fastCaptureTimer = new Stopwatch("Capture");
Bitmap preview = cameraPreview.getBitmap();
fastCaptureTimer.split("captured");
camera.capture((jpegData, frontFacing) -> {
fastCaptureTimer.split("captured");
LifecycleBoundTask.run(getLifecycle(), () -> {
Bitmap full = preview;
if (Build.VERSION.SDK_INT < 28) {
PointF scale = getScaleTransform(cameraPreview.getWidth(), cameraPreview.getHeight(), properties.getPreviewWidth(), properties.getPreviewHeight());
Matrix matrix = new Matrix();
Transformation<Bitmap> transformation = frontFacing ? new MultiTransformation<>(new CenterCrop(), new FlipTransformation())
: new CenterCrop();
matrix.setScale(scale.x, scale.y);
GlideApp.with(this)
.asBitmap()
.load(jpegData)
.transform(transformation)
.override(cameraPreview.getWidth(), cameraPreview.getHeight())
.into(new SimpleTarget<Bitmap>() {
@Override
public void onResourceReady(@NonNull Bitmap resource, @Nullable Transition<? super Bitmap> transition) {
fastCaptureTimer.split("transform");
int adjWidth = (int) (cameraPreview.getWidth() / scale.x);
int adjHeight = (int) (cameraPreview.getHeight() / scale.y);
full = Bitmap.createBitmap(preview, 0, 0, adjWidth, adjHeight, matrix, true);
}
ByteArrayOutputStream stream = new ByteArrayOutputStream();
resource.compress(Bitmap.CompressFormat.JPEG, 80, stream);
fastCaptureTimer.split("compressed");
fastCaptureTimer.split("transformed");
byte[] data = stream.toByteArray();
fastCaptureTimer.split("bytes");
fastCaptureTimer.stop(TAG);
ByteArrayOutputStream stream = new ByteArrayOutputStream();
full.compress(Bitmap.CompressFormat.JPEG, 80, stream);
fastCaptureTimer.split("compressed");
controller.onImageCaptured(data);
}
byte[] data = stream.toByteArray();
fastCaptureTimer.split("bytes");
fastCaptureTimer.stop(TAG);
return data;
}, data -> {
if (data != null) {
controller.onImageCaptured(data);
} else {
controller.onCameraError();
}
@Override
public void onLoadFailed(@Nullable Drawable errorDrawable) {
controller.onCameraError();
}
});
});
}
@ -260,7 +272,11 @@ public class Camera1Fragment extends Fragment implements TextureView.SurfaceText
PointF scale = getScaleTransform(cameraPreview.getWidth(), cameraPreview.getHeight(), properties.getPreviewWidth(), properties.getPreviewHeight());
Matrix matrix = new Matrix();
float camWidth = isPortrait() ? Math.min(cameraPreview.getWidth(), cameraPreview.getHeight()) : Math.max(cameraPreview.getWidth(), cameraPreview.getHeight());
float camHeight = isPortrait() ? Math.max(cameraPreview.getWidth(), cameraPreview.getHeight()) : Math.min(cameraPreview.getWidth(), cameraPreview.getHeight());
matrix.setScale(scale.x, scale.y);
matrix.postTranslate((camWidth - (camWidth * scale.x)) / 2, (camHeight - (camHeight * scale.y)) / 2);
cameraPreview.setTransform(matrix);
}

33
src/org/thoughtcrime/securesms/camera/FlipTransformation.java
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@ -0,0 +1,33 @@
package org.thoughtcrime.securesms.camera;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Matrix;
import android.support.annotation.NonNull;
import com.bumptech.glide.load.engine.bitmap_recycle.BitmapPool;
import com.bumptech.glide.load.resource.bitmap.BitmapTransformation;
import java.security.MessageDigest;
public class FlipTransformation extends BitmapTransformation {
@Override
protected Bitmap transform(@NonNull BitmapPool pool, @NonNull Bitmap toTransform, int outWidth, int outHeight) {
Bitmap output = pool.get(toTransform.getWidth(), toTransform.getHeight(), toTransform.getConfig());
Canvas canvas = new Canvas(output);
Matrix matrix = new Matrix();
matrix.setScale(-1, 1);
matrix.postTranslate(toTransform.getWidth(), 0);
canvas.drawBitmap(toTransform, matrix, null);
return output;
}
@Override
public void updateDiskCacheKey(@NonNull MessageDigest messageDigest) {
messageDigest.update(FlipTransformation.class.getSimpleName().getBytes());
}
}
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