建网站服务商,做高端网站,双语网站后台怎么做,网站关键词重要吗很莫名其妙的#xff0c;前摄默认镜像#xff0c;原来是为了前摄拍字体正确显示#xff0c;比如自拍#xff0c;前摄拍摄的人像虽左右镜像了#xff0c;但如果后面有字牌显示#xff0c;字体会显示正常而不是翻转。但现在需求是满足普遍的前摄原生代码不带镜像修改#…很莫名其妙的前摄默认镜像原来是为了前摄拍字体正确显示比如自拍前摄拍摄的人像虽左右镜像了但如果后面有字牌显示字体会显示正常而不是翻转。但现在需求是满足普遍的前摄原生代码不带镜像修改需要把预览和保存的图片进行左右翻转那么就需要找到相应的修改位置才行。
以下就是相关修改点直接修复前摄镜像显示 即可正常显示
充分利用此方法
PhotoModeHelper.rotateAndMirror(bitmap, orientation, true);
和
matrix.postScale(-1, 1); 1./vendor/mediatek/proprietary/packages/apps/Camera2/common/src/com/mediatek/camera/common/utils/CameraUtil.java //*/add package import android.graphics.BitmapFactory; import com.mediatek.camera.common.mode.photo.PhotoModeHelper; import java.io.ByteArrayOutputStream; import android.graphics.Bitmap; //*/ 添加在最后的方法 //*/add sub camera mirror method mirrorJpegData public static byte[] mirrorJpegData(byte[] jpegData, int orientation) { byte[] dest jpegData; BitmapFactory.Options opts new BitmapFactory.Options(); opts.inMutable true; Bitmap b BitmapFactory.decodeByteArray(jpegData, 0, jpegData.length, opts); b PhotoModeHelper.rotateAndMirror(b, orientation, true); ByteArrayOutputStream baos new ByteArrayOutputStream(); b.compress(Bitmap.CompressFormat.JPEG, 100, baos); dest baos.toByteArray(); b.recycle(); return dest; } //*/ 2./vendor/mediatek/proprietary/packages/apps/Camera2/common/src/com/mediatek/camera/common/mode/photo/PhotoMode.java Override public void onPostViewCallback(byte[] data) { LogHelper.d(TAG, [onPostViewCallback] data data ,mIsResumed mIsResumed); CameraSysTrace.onEventSystrace(POST_VIEW_CALLBACK, true, true); if (data ! null mIsResumed) { //will update the thumbnail int rotation CameraUtil.getJpegRotationFromDeviceSpec(Integer.parseInt(mCameraId), mIApp.getGSensorOrientation(), mIApp.getActivity()); Bitmap bitmap BitmapCreator.createBitmapFromYuv(data, ThumbnailHelper.POST_VIEW_FORMAT, ThumbnailHelper.getThumbnailWidth(), ThumbnailHelper.getThumbnailHeight(), mIApp.getAppUi().getThumbnailViewWidth(), rotation); //*/ add sub camera mirror if (mCameraId.equals(FRONT_CAMERA_ID)) {//BACK_CAMERA_ID Matrix m new Matrix(); m.postScale(-1, 1); bitmap Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), m, true); } //*/ mIApp.getAppUi().updateThumbnail(bitmap); } CameraSysTrace.onEventSystrace(POST_VIEW_CALLBACK, false, true); } 保存数据是通过PhotoMode.java文件中的saveData方法实现具体修改参照如下引用方法 private void saveData(byte[] data) { if (data ! null) { //*/ add. sub camera mirror if (mCameraId.equals(FRONT_CAMERA_ID)) {//BACK_CAMERA_ID data CameraUtil.mirrorJpegData(data, 0); } //*/ //check memory to decide whether it can take next picture. //if not, show saving ISettingManager.SettingController controller mISettingManager.getSettingController(); String dngState controller.queryValue(KEY_DNG); long saveDataSize data.length; if (dngState ! null on.equalsIgnoreCase(dngState)) { saveDataSize saveDataSize DNG_IMAGE_SIZE; } synchronized (mCaptureNumberSync) { mCapturingNumber ; mMemoryManager.checkOneShotMemoryAction(saveDataSize); } String fileDirectory mICameraContext.getStorageService().getFileDirectory(); Size exifSize CameraUtil.getSizeFromSdkExif(data); ContentValues contentValues mPhotoModeHelper.createContentValues(data, fileDirectory, exifSize.getWidth(), exifSize.getHeight()); mICameraContext.getMediaSaver().addSaveRequest(data, contentValues, null, mMediaSaverListener); } } 到此完结撒花
