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Diffstat (limited to 'src/plugins/symbian/ecam/s60imagecapturesession.cpp')
| -rw-r--r-- | src/plugins/symbian/ecam/s60imagecapturesession.cpp | 1884 |
1 files changed, 0 insertions, 1884 deletions
diff --git a/src/plugins/symbian/ecam/s60imagecapturesession.cpp b/src/plugins/symbian/ecam/s60imagecapturesession.cpp deleted file mode 100644 index 40bc5ad86..000000000 --- a/src/plugins/symbian/ecam/s60imagecapturesession.cpp +++ /dev/null @@ -1,1884 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the Qt Mobility Components. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** This file may be used under the terms of the GNU Lesser General Public -** License version 2.1 as published by the Free Software Foundation and -** appearing in the file LICENSE.LGPL included in the packaging of this -** file. Please review the following information to ensure the GNU Lesser -** General Public License version 2.1 requirements will be met: -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Nokia gives you certain additional -** rights. These rights are described in the Nokia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include <QtCore/qstring.h> -#include <QtCore/qdir.h> - -#include "s60imagecapturesession.h" -#include "s60videowidgetcontrol.h" -#include "s60cameraservice.h" -#include "s60cameraconstants.h" - -#include <fbs.h> // CFbsBitmap -#include <pathinfo.h> -#include <imageconversion.h> // ICL Decoder (for SnapShot) & Encoder (for Bitmap Images) - -S60ImageCaptureDecoder::S60ImageCaptureDecoder(S60ImageCaptureSession *imageSession, - RFs *fileSystemAccess, - const TDesC8 *data, - const TDesC16 *fileName) : - CActive(CActive::EPriorityStandard), - m_imageSession(imageSession), - m_fs(fileSystemAccess), - m_jpegImageData(data), - m_jpegImageFile(fileName), - m_fileInput(false) -{ - CActiveScheduler::Add(this); -} - -S60ImageCaptureDecoder::~S60ImageCaptureDecoder() -{ - if (m_imageDecoder) { - delete m_imageDecoder; - m_imageDecoder = 0; - } -} - -S60ImageCaptureDecoder *S60ImageCaptureDecoder::FileNewL(S60ImageCaptureSession *imageSession, - RFs *fileSystemAccess, - const TDesC16 *fileName) -{ - S60ImageCaptureDecoder* self = new (ELeave) S60ImageCaptureDecoder(imageSession, - fileSystemAccess, - 0, - fileName); - CleanupStack::PushL(self); - self->ConstructL(true); - CleanupStack::Pop(self); - return self; -} - -S60ImageCaptureDecoder *S60ImageCaptureDecoder::DataNewL(S60ImageCaptureSession *imageSession, - RFs *fileSystemAccess, - const TDesC8 *data) -{ - S60ImageCaptureDecoder* self = new (ELeave) S60ImageCaptureDecoder(imageSession, - fileSystemAccess, - data, - 0); - CleanupStack::PushL(self); - self->ConstructL(false); - CleanupStack::Pop(self); - return self; -} - -void S60ImageCaptureDecoder::ConstructL(const bool fileInput) -{ - if (fileInput) { - if (!m_imageSession || !m_fs || !m_jpegImageFile) - User::Leave(KErrGeneral); - m_imageDecoder = CImageDecoder::FileNewL(*m_fs, *m_jpegImageFile); - } else { - if (!m_imageSession || !m_fs || !m_jpegImageData) - User::Leave(KErrGeneral); - m_imageDecoder = CImageDecoder::DataNewL(*m_fs, *m_jpegImageData); - } -} - -void S60ImageCaptureDecoder::decode(CFbsBitmap *destBitmap) -{ - if (m_imageDecoder) { - m_imageDecoder->Convert(&iStatus, *destBitmap, 0); - SetActive(); - } - else - m_imageSession->setError(KErrGeneral, QLatin1String("Preview image creation failed.")); -} - -TFrameInfo *S60ImageCaptureDecoder::frameInfo() -{ - if (m_imageDecoder) { - m_frameInfo = m_imageDecoder->FrameInfo(); - return &m_frameInfo; - } - else - return 0; -} - -void S60ImageCaptureDecoder::RunL() -{ - m_imageSession->handleImageDecoded(iStatus.Int()); -} - -void S60ImageCaptureDecoder::DoCancel() -{ - if (m_imageDecoder) - m_imageDecoder->Cancel(); -} - -TInt S60ImageCaptureDecoder::RunError(TInt aError) -{ - m_imageSession->setError(aError, QLatin1String("Preview image creation failed.")); - return KErrNone; -} - -//============================================================================= - -S60ImageCaptureEncoder::S60ImageCaptureEncoder(S60ImageCaptureSession *imageSession, - RFs *fileSystemAccess, - const TDesC16 *fileName, - TInt jpegQuality) : - CActive(CActive::EPriorityStandard), - m_imageSession(imageSession), - m_fileSystemAccess(fileSystemAccess), - m_fileName(fileName), - m_jpegQuality(jpegQuality) -{ - CActiveScheduler::Add(this); -} - -S60ImageCaptureEncoder::~S60ImageCaptureEncoder() -{ - if (m_frameImageData) { - delete m_frameImageData; - m_frameImageData = 0; - } - if (m_imageEncoder) { - delete m_imageEncoder; - m_imageEncoder = 0; - } -} - -S60ImageCaptureEncoder *S60ImageCaptureEncoder::NewL(S60ImageCaptureSession *imageSession, - RFs *fileSystemAccess, - const TDesC16 *fileName, - TInt jpegQuality) -{ - S60ImageCaptureEncoder* self = new (ELeave) S60ImageCaptureEncoder(imageSession, - fileSystemAccess, - fileName, - jpegQuality); - CleanupStack::PushL(self); - self->ConstructL(); - CleanupStack::Pop(self); - return self; -} - -void S60ImageCaptureEncoder::ConstructL() -{ - if (!m_imageSession || !m_fileSystemAccess || !m_fileName) - User::Leave(KErrGeneral); - - m_imageEncoder = CImageEncoder::FileNewL(*m_fileSystemAccess, - *m_fileName, - CImageEncoder::EOptionNone, - KImageTypeJPGUid); - CleanupStack::PushL(m_imageEncoder); - - // Set Jpeg Quality - m_frameImageData = CFrameImageData::NewL(); - CleanupStack::PushL(m_frameImageData); - - TJpegImageData* jpegFormat = new( ELeave ) TJpegImageData; - CleanupStack::PushL(jpegFormat); - - jpegFormat->iQualityFactor = m_jpegQuality; - - // jpegFormat (TJpegImageData) ownership transferred to m_frameImageData (CFrameImageData) - User::LeaveIfError( m_frameImageData->AppendImageData(jpegFormat)); - - CleanupStack::Pop(jpegFormat); - CleanupStack::Pop(m_frameImageData); - CleanupStack::Pop(m_imageEncoder); -} - -void S60ImageCaptureEncoder::encode(CFbsBitmap *sourceBitmap) -{ - if (m_imageEncoder) { - m_imageEncoder->Convert(&iStatus, *sourceBitmap, m_frameImageData); - SetActive(); - } - else - m_imageSession->setError(KErrGeneral, QLatin1String("Saving image to file failed.")); -} - -void S60ImageCaptureEncoder::RunL() -{ - m_imageSession->handleImageEncoded(iStatus.Int()); -} - -void S60ImageCaptureEncoder::DoCancel() -{ - if (m_imageEncoder) - m_imageEncoder->Cancel(); -} - -TInt S60ImageCaptureEncoder::RunError(TInt aError) -{ - m_imageSession->setError(aError, QLatin1String("Saving image to file failed.")); - return KErrNone; -} - -//============================================================================= - -S60ImageCaptureSession::S60ImageCaptureSession(QObject *parent) : - QObject(parent), - m_cameraEngine(0), - m_advancedSettings(0), - m_cameraInfo(0), - m_previewBitmap(0), - m_activeScheduler(0), - m_fileSystemAccess(0), - m_imageDecoder(0), - m_imageEncoder(0), - m_error(KErrNone), - m_activeDeviceIndex(KDefaultCameraDevice), - m_cameraStarted(false), - m_icState(EImageCaptureNotPrepared), - m_currentCodec(QString()), - m_captureSize(QSize()), - m_symbianImageQuality(QtMultimediaKit::HighQuality * KSymbianImageQualityCoefficient), - m_captureSettingsSet(false), - m_stillCaptureFileName(QString()), - m_requestedStillCaptureFileName(QString()), - m_currentImageId(0), - m_captureWhenReady(false), - m_previewDecodingOngoing(false), - m_previewInWaitLoop(false) -{ - // Define supported image codecs - m_supportedImageCodecs << "image/jpeg"; - - initializeImageCaptureSettings(); - - // Install ActiveScheduler if needed - if (!CActiveScheduler::Current()) { - m_activeScheduler = new CActiveScheduler; - CActiveScheduler::Install(m_activeScheduler); - } -} - -S60ImageCaptureSession::~S60ImageCaptureSession() -{ - // Delete AdvancedSettings (Should already be destroyed by CameraControl) - deleteAdvancedSettings(); - - m_formats.clear(); - m_supportedImageCodecs.clear(); - - if (m_imageDecoder) { - m_imageDecoder->Cancel(); - delete m_imageDecoder; - m_imageDecoder = 0; - } - if (m_imageEncoder) { - m_imageEncoder->Cancel(); - delete m_imageEncoder; - m_imageEncoder = 0; - } - - if (m_previewBitmap) { - delete m_previewBitmap; - m_previewBitmap = 0; - } - - // Uninstall ActiveScheduler if needed - if (m_activeScheduler) { - CActiveScheduler::Install(0); - delete m_activeScheduler; - m_activeScheduler = 0; - } -} - -CCamera::TFormat S60ImageCaptureSession::defaultImageFormat() -{ - // Primary Camera - if (m_activeDeviceIndex == 0) - return KDefaultImageFormatPrimaryCam; - - // Secondary Camera or other - else - return KDefaultImageFormatSecondaryCam; -} - -bool S60ImageCaptureSession::isDeviceReady() -{ -#ifdef Q_CC_NOKIAX86 // Emulator - return true; -#endif - - if (m_cameraEngine) - return m_cameraEngine->IsCameraReady(); - - return false; -} - -void S60ImageCaptureSession::deleteAdvancedSettings() -{ - if (m_advancedSettings) { - delete m_advancedSettings; - m_advancedSettings = 0; - emit advancedSettingChanged(); - } -} - -void S60ImageCaptureSession::setCameraHandle(CCameraEngine* camerahandle) -{ - if (camerahandle) { - m_cameraEngine = camerahandle; - resetSession(); - - // Set default settings - initializeImageCaptureSettings(); - } -} - -void S60ImageCaptureSession::setCurrentDevice(TInt deviceindex) -{ - m_activeDeviceIndex = deviceindex; -} - -void S60ImageCaptureSession::notifySettingsSet() -{ - m_captureSettingsSet = true; -} - -void S60ImageCaptureSession::resetSession(bool errorHandling) -{ - // Delete old AdvancedSettings - deleteAdvancedSettings(); - - m_captureWhenReady = false; - m_previewDecodingOngoing = false; - m_previewInWaitLoop = false; - m_stillCaptureFileName = QString(); - m_requestedStillCaptureFileName = QString(); - m_icState = EImageCaptureNotPrepared; - - m_error = KErrNone; - m_currentFormat = defaultImageFormat(); - - int err = KErrNone; - m_advancedSettings = S60CameraSettings::New(err, this, m_cameraEngine); - if (err == KErrNotSupported) { - m_advancedSettings = 0; -#ifndef S60_31_PLATFORM // Post S60 3.1 Platform - // Adv. settings may not be supported for other than the Primary Camera - if (m_cameraEngine->CurrentCameraIndex() == 0) - setError(err, tr("Unexpected camera error.")); -#endif // !S60_31_PLATFORM - } else if (err != KErrNone) { // Other errors - m_advancedSettings = 0; - qWarning("Failed to create camera settings handler."); - if (errorHandling) - emit cameraError(QCamera::ServiceMissingError, tr("Failed to recover from error.")); - else - setError(err, tr("Unexpected camera error.")); - return; - } - - if (m_advancedSettings) { - if (m_cameraEngine) - m_cameraEngine->SetAdvancedObserver(m_advancedSettings); - else - setError(KErrNotReady, tr("Unexpected camera error.")); - } - - updateImageCaptureFormats(); - - emit advancedSettingChanged(); -} - -S60CameraSettings* S60ImageCaptureSession::advancedSettings() -{ - return m_advancedSettings; -} - -/* - * This function can be used both internally and from Control classes using - * this session. The error notification will go to the client application - * either through QCameraImageCapture (if captureError is true) or QCamera (if - * captureError is false, default) error signal. - */ -void S60ImageCaptureSession::setError(const TInt error, - const QString &description, - const bool captureError) -{ - if (error == KErrNone) - return; - - m_error = error; - QCameraImageCapture::Error cameraError = fromSymbianErrorToQtMultimediaError(error); - - if (captureError) { - emit this->captureError(m_currentImageId, cameraError, description); - if (cameraError != QCameraImageCapture::NotSupportedFeatureError) - resetSession(true); - } else { - emit this->cameraError(cameraError, description); - if (cameraError != QCamera::NotSupportedFeatureError) - resetSession(true); - } -} - -QCameraImageCapture::Error S60ImageCaptureSession::fromSymbianErrorToQtMultimediaError(int aError) -{ - switch(aError) { - case KErrNone: - return QCameraImageCapture::NoError; // No errors have occurred - case KErrNotReady: - return QCameraImageCapture::NotReadyError; // Not ready for operation - case KErrNotSupported: - return QCameraImageCapture::NotSupportedFeatureError; // The feature is not supported - case KErrNoMemory: - return QCameraImageCapture::OutOfSpaceError; // Out of disk space - case KErrNotFound: - case KErrBadHandle: - return QCameraImageCapture::ResourceError; // No resources available - - default: - return QCameraImageCapture::ResourceError; // Other error has occurred - } -} - -int S60ImageCaptureSession::currentImageId() const -{ - return m_currentImageId; -} - -void S60ImageCaptureSession::initializeImageCaptureSettings() -{ - if (m_captureSettingsSet) - return; - - m_currentCodec = KDefaultImageCodec; - m_captureSize = QSize(-1, -1); - m_currentFormat = defaultImageFormat(); - - // Resolution - if (m_cameraEngine) { - QList<QSize> resolutions = supportedCaptureSizesForCodec(imageCaptureCodec()); - foreach (QSize reso, resolutions) { - if ((reso.width() * reso.height()) > (m_captureSize.width() * m_captureSize.height())) - m_captureSize = reso; - } - } else { - m_captureSize = KDefaultImageResolution; - } - - m_symbianImageQuality = KDefaultImageQuality; -} - -/* - * This function selects proper format to be used for the captured image based - * on the requested image codec. - */ -CCamera::TFormat S60ImageCaptureSession::selectFormatForCodec(const QString &codec) -{ - CCamera::TFormat format = CCamera::EFormatMonochrome; - - if (codec == "image/jpg" || codec == "image/jpeg") { - // Primary Camera - if (m_activeDeviceIndex == 0) - format = KDefaultImageFormatPrimaryCam; - - // Secondary Camera or other - else - format = KDefaultImageFormatSecondaryCam; - - return format; - } - - setError(KErrNotSupported, tr("Failed to select color format to be used with image codec.")); - return format; -} - -int S60ImageCaptureSession::prepareImageCapture() -{ - if (m_cameraEngine) { - if (!m_cameraEngine->IsCameraReady()) { - // Reset state to make sure camera is prepared before capturing image - m_icState = EImageCaptureNotPrepared; - return KErrNotReady; - } - - // First set the quality - CCamera *camera = m_cameraEngine->Camera(); - if (camera) - camera->SetJpegQuality(m_symbianImageQuality); - else - setError(KErrNotReady, tr("Setting image quality failed."), true); - - // Then prepare with correct resolution and format - TSize captureSize = TSize(m_captureSize.width(), m_captureSize.height()); - TRAPD(symbianError, m_cameraEngine->PrepareL(captureSize, m_currentFormat)); - if (!symbianError) - m_icState = EImageCapturePrepared; - - // Check if CaptureSize was modified - if (captureSize.iWidth != m_captureSize.width() || captureSize.iHeight != m_captureSize.height()) - m_captureSize = QSize(captureSize.iWidth, captureSize.iHeight); - emit captureSizeChanged(m_captureSize); - -#ifdef ECAM_PREVIEW_API - // Subscribe previews - MCameraPreviewObserver *observer = this; - m_cameraEngine->EnablePreviewProvider(observer); -#endif // ECAM_PREVIEW_API - - return symbianError; - } - - return KErrGeneral; -} - -void S60ImageCaptureSession::releaseImageCapture() -{ - // Make sure ImageCapture is prepared the next time it is being activated - m_icState = EImageCaptureNotPrepared; - -#ifdef ECAM_PREVIEW_API - // Cancel preview subscription - m_cameraEngine->DisablePreviewProvider(); -#endif // ECAM_PREVIEW_API -} - -int S60ImageCaptureSession::capture(const QString &fileName) -{ - if (!m_cameraStarted) { - m_captureWhenReady = true; - m_requestedStillCaptureFileName = fileName; // Save name, it will be processed during actual capture - return 0; - } - - if (m_icState < EImageCapturePrepared) { - int prepareSuccess = prepareImageCapture(); - if (prepareSuccess) { - setError(prepareSuccess, tr("Failure during image capture preparation."), true); - return 0; - } - } else if (m_icState > EImageCapturePrepared) { - setError(KErrNotReady, tr("Previous operation is still ongoing."), true); - return 0; - } - - m_icState = EImageCaptureCapturing; - - // Give new ID for the new image - m_currentImageId += 1; - - emit readyForCaptureChanged(false); - - processFileName(fileName); - - if (m_cameraEngine) { - TRAPD(err, m_cameraEngine->CaptureL()); - setError(err, tr("Image capture failed."), true); - } else { - setError(KErrNotReady, tr("Unexpected camera error."), true); - } - -#ifdef Q_CC_NOKIAX86 // Emulator - QImage *snapImage = new QImage(QLatin1String("C:/Data/testimage.jpg")); - emit imageExposed(m_currentImageId); - emit imageCaptured(m_currentImageId, *snapImage); - emit imageSaved(m_currentImageId, m_stillCaptureFileName); -#endif // Q_CC_NOKIAX86 - - return m_currentImageId; -} - -void S60ImageCaptureSession::cancelCapture() -{ - if (m_icState != EImageCaptureCapturing) - return; - - if (m_cameraEngine) - m_cameraEngine->CancelCapture(); - - m_icState = EImageCapturePrepared; -} - -void S60ImageCaptureSession::processFileName(const QString &fileName) -{ - // Empty FileName - Use default file name and path (C:\Data\Images\image.jpg) - if (fileName.isEmpty()) { - // Make sure default directory exists - QDir videoDir(QDir::rootPath()); - if (!videoDir.exists(KDefaultImagePath)) - videoDir.mkpath(KDefaultImagePath); - QString defaultFile = KDefaultImagePath; - defaultFile.append("\\"); - defaultFile.append(KDefaultImageFileName); - m_stillCaptureFileName = defaultFile; - - } else { // Not empty - - QString fullFileName; - - // Relative FileName - if (!fileName.contains(":")) { - // Extract file name and path from the URL - fullFileName = KDefaultImagePath; - if (fileName.at(0) != '\\') - fullFileName.append("\\"); - fullFileName.append(QDir::toNativeSeparators(QDir::cleanPath(fileName))); - - // Absolute FileName - } else { - // Extract file name and path from the given location - fullFileName = QDir::toNativeSeparators(QDir::cleanPath(fileName)); - } - - QString fileNameOnly = fullFileName.right(fullFileName.length() - fullFileName.lastIndexOf("\\") - 1); - QString directory = fullFileName.left(fullFileName.lastIndexOf("\\")); - if (directory.lastIndexOf("\\") == (directory.length() - 1)) - directory = directory.left(directory.length() - 1); - - // URL is Absolute path, not including file name - if (!fileNameOnly.contains(".")) { - if (fileNameOnly != "") { - directory.append("\\"); - directory.append(fileNameOnly); - } - fileNameOnly = KDefaultImageFileName; - } - - // Make sure absolute directory exists - QDir imageDir(QDir::rootPath()); - if (!imageDir.exists(directory)) - imageDir.mkpath(directory); - - QString resolvedFileName = directory; - resolvedFileName.append("\\"); - resolvedFileName.append(fileNameOnly); - m_stillCaptureFileName = resolvedFileName; - } -} - -void S60ImageCaptureSession::MceoFocusComplete() -{ - emit focusStatusChanged(QCamera::Locked, QCamera::LockAcquired); -} - -void S60ImageCaptureSession::MceoCapturedDataReady(TDesC8* aData) -{ - emit imageExposed(m_currentImageId); - - m_icState = EImageCaptureWritingImage; - - TFileName path = convertImagePath(); - - // Try to save image and inform if it was succcesful - TRAPD(err, saveImageL(aData, path)); - if (err) { - if (m_previewDecodingOngoing) - m_previewDecodingOngoing = false; // Reset - - setError(err, tr("Writing captured image to a file failed."), true); - m_icState = EImageCapturePrepared; - return; - } - - m_icState = EImageCapturePrepared; - -} - -void S60ImageCaptureSession::MceoCapturedBitmapReady(CFbsBitmap* aBitmap) -{ - emit imageExposed(m_currentImageId); - - m_icState = EImageCaptureWritingImage; - - if(aBitmap) - { -#ifndef ECAM_PREVIEW_API - if (m_previewDecodingOngoing) { - m_previewInWaitLoop = true; - CActiveScheduler::Start(); // Wait for the completion of the previous Preview generation - } - - // Delete old instances if needed - if (m_imageDecoder) { - delete m_imageDecoder; - m_imageDecoder = 0; - } - if (m_previewBitmap) { - delete m_previewBitmap; - m_previewBitmap = 0; - } -#endif // ECAM_CAMERA_API - if (m_imageEncoder) { - delete m_imageEncoder; - m_imageEncoder = 0; - } - if (m_fileSystemAccess) { - m_fileSystemAccess->Close(); - delete m_fileSystemAccess; - m_fileSystemAccess = 0; - } - - TInt saveError = KErrNone; - TFileName path = convertImagePath(); - - // Create FileSystem access - m_fileSystemAccess = new RFs; - if (!m_fileSystemAccess) { - setError(KErrNoMemory, tr("Failed to write captured image to a file.")); - return; - } - saveError = m_fileSystemAccess->Connect(); - if (saveError) { - setError(saveError, tr("Failed to write captured image to a file.")); - return; - } - - TRAP(saveError, m_imageEncoder = S60ImageCaptureEncoder::NewL(this, - m_fileSystemAccess, - &path, - m_symbianImageQuality)); - if (saveError) - setError(saveError, tr("Saving captured image failed."), true); - m_previewDecodingOngoing = true; - m_imageEncoder->encode(aBitmap); - - } else { - setError(KErrBadHandle, tr("Unexpected camera error."), true); - } - - m_icState = EImageCapturePrepared; -} - -void S60ImageCaptureSession::MceoHandleError(TCameraEngineError aErrorType, TInt aError) -{ - Q_UNUSED(aErrorType); - setError(aError, tr("General camera error.")); -} - -TFileName S60ImageCaptureSession::convertImagePath() -{ - TFileName path = KNullDesC(); - - // Convert to Symbian path - TPtrC16 attachmentPath(KNullDesC); - - // Path is already included in filename - attachmentPath.Set(reinterpret_cast<const TUint16*>(QDir::toNativeSeparators(m_stillCaptureFileName).utf16())); - path.Append(attachmentPath); - - return path; -} - -/* - * Creates (asynchronously) Preview Image from Jpeg ImageBuffer and also - * writes Jpeg (synchronously) to a file. - */ -void S60ImageCaptureSession::saveImageL(TDesC8 *aData, TFileName &aPath) -{ - if (aData == 0) - setError(KErrGeneral, tr("Captured image data is not available."), true); - - if (aPath.Size() > 0) { -#ifndef ECAM_PREVIEW_API - if (m_previewDecodingOngoing) { - m_previewInWaitLoop = true; - CActiveScheduler::Start(); // Wait for the completion of the previous Preview generation - } - - // Delete old instances if needed - if (m_imageDecoder) { - delete m_imageDecoder; - m_imageDecoder = 0; - } - if (m_previewBitmap) { - delete m_previewBitmap; - m_previewBitmap = 0; - } -#endif // ECAM_PREVIEW_API - if (m_fileSystemAccess) { - m_fileSystemAccess->Close(); - delete m_fileSystemAccess; - m_fileSystemAccess = 0; - } - - RFs *fileSystemAccess = new (ELeave) RFs; - User::LeaveIfError(fileSystemAccess->Connect()); - CleanupClosePushL(*fileSystemAccess); - -#ifndef ECAM_PREVIEW_API - // Generate Thumbnail to be used as Preview - S60ImageCaptureDecoder *imageDecoder = S60ImageCaptureDecoder::DataNewL(this, fileSystemAccess, aData); - CleanupStack::PushL(imageDecoder); - - // Set proper Preview Size - TSize scaledSize((m_captureSize.width() / KSnapshotDownScaleFactor), (m_captureSize.height() / KSnapshotDownScaleFactor)); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize((m_captureSize.width() / (KSnapshotDownScaleFactor/2)), (m_captureSize.height() / (KSnapshotDownScaleFactor/2))); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize((m_captureSize.width() / (KSnapshotDownScaleFactor/4)), (m_captureSize.height() / (KSnapshotDownScaleFactor/4))); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize(m_captureSize.width(), m_captureSize.height()); - - TFrameInfo *info = imageDecoder->frameInfo(); - if (!info) { - setError(KErrGeneral, tr("Preview image creation failed.")); - return; - } - - CFbsBitmap *previewBitmap = new (ELeave) CFbsBitmap; - CleanupStack::PushL(previewBitmap); - TInt bitmapCreationErr = previewBitmap->Create(scaledSize, info->iFrameDisplayMode); - if (bitmapCreationErr) { - setError(bitmapCreationErr, tr("Preview creation failed.")); - return; - } - - // Jpeg conversion completes in RunL - m_previewDecodingOngoing = true; - imageDecoder->decode(previewBitmap); -#endif // ECAM_PREVIEW_API - - RFile file; - TInt fileWriteErr = KErrNone; - fileWriteErr = file.Replace(*fileSystemAccess, aPath, EFileWrite); - if (fileWriteErr) - User::Leave(fileWriteErr); - CleanupClosePushL(file); // Close if Leaves - - fileWriteErr = file.Write(*aData); - if (fileWriteErr) - User::Leave(fileWriteErr); - - CleanupStack::PopAndDestroy(&file); -#ifdef ECAM_PREVIEW_API - CleanupStack::PopAndDestroy(fileSystemAccess); -#else // !ECAM_PREVIEW_API - // Delete when Image is decoded - CleanupStack::Pop(previewBitmap); - CleanupStack::Pop(imageDecoder); - CleanupStack::Pop(fileSystemAccess); - - // Set member variables (Cannot leave any more) - m_previewBitmap = previewBitmap; - m_imageDecoder = imageDecoder; - m_fileSystemAccess = fileSystemAccess; -#endif // ECAM_PREVIEW_API - - emit imageSaved(m_currentImageId, m_stillCaptureFileName); - - // Inform that we can continue taking more pictures - emit readyForCaptureChanged(true); - - // For custom preview generation, image buffer gets released in RunL() -#ifdef ECAM_PREVIEW_API - releaseImageBuffer(); -#endif // ECAM_PREVIEW_API - - } else { - setError(KErrPathNotFound, tr("Invalid path given."), true); - } -} - -void S60ImageCaptureSession::releaseImageBuffer() -{ - if (m_cameraEngine) - m_cameraEngine->ReleaseImageBuffer(); - else - setError(KErrNotReady, tr("Unexpected camera error."), true); -} - -/* - * Queries camera properties - * Results are returned to member variable m_info - * - * @return boolean indicating if querying the info was a success - */ -bool S60ImageCaptureSession::queryCurrentCameraInfo() -{ - if (m_cameraEngine) { - m_cameraInfo = m_cameraEngine->CameraInfo(); - return true; - } - - return false; -} - -/* - * This function handles different camera status changes - */ -void S60ImageCaptureSession::cameraStatusChanged(QCamera::Status status) -{ - if (status == QCamera::ActiveStatus) { - m_cameraStarted = true; - if (m_captureWhenReady) - capture(m_requestedStillCaptureFileName); - }else if (status == QCamera::UnloadedStatus) { - m_cameraStarted = false; - m_icState = EImageCaptureNotPrepared; - } - else - m_cameraStarted = false; -} - -QSize S60ImageCaptureSession::captureSize() const -{ - return m_captureSize; -} - -QSize S60ImageCaptureSession::minimumCaptureSize() -{ - return supportedCaptureSizesForCodec(formatMap().key(m_currentFormat)).first(); -} -QSize S60ImageCaptureSession::maximumCaptureSize() -{ - return supportedCaptureSizesForCodec(formatMap().key(m_currentFormat)).last(); -} - -void S60ImageCaptureSession::setCaptureSize(const QSize &size) -{ - if (size.isNull() || - size.isEmpty() || - size == QSize(-1,-1)) { - // An empty QSize indicates the encoder should make an optimal choice based on what is - // available from the image source and the limitations of the codec. - m_captureSize = supportedCaptureSizesForCodec(formatMap().key(m_currentFormat)).last(); - } - else - m_captureSize = size; -} - -QList<QSize> S60ImageCaptureSession::supportedCaptureSizesForCodec(const QString &codecName) -{ - QList<QSize> list; - - // If we have CameraEngine loaded and we can update CameraInfo - if (m_cameraEngine && queryCurrentCameraInfo()) { - CCamera::TFormat format; - if (codecName == "") - format = defaultImageFormat(); - else - format = selectFormatForCodec(codecName); - - CCamera *camera = m_cameraEngine->Camera(); - TSize imageSize; - if (camera) { - for (int i = 0; i < m_cameraInfo->iNumImageSizesSupported; i++) { - camera->EnumerateCaptureSizes(imageSize, i, format); - list << QSize(imageSize.iWidth, imageSize.iHeight); // Add resolution to the list - } - } - } - -#ifdef Q_CC_NOKIAX86 // Emulator - // Add some for testing purposes - list << QSize(50, 50); - list << QSize(100, 100); - list << QSize(800,600); -#endif - - return list; -} - -QMap<QString, int> S60ImageCaptureSession::formatMap() -{ - QMap<QString, int> formats; - - // Format list copied from CCamera::TFormat (in ecam.h) - formats.insert("Monochrome", 0x0001); - formats.insert("16bitRGB444", 0x0002); - formats.insert("16BitRGB565", 0x0004); - formats.insert("32BitRGB888", 0x0008); - formats.insert("Jpeg", 0x0010); - formats.insert("Exif", 0x0020); - formats.insert("FbsBitmapColor4K", 0x0040); - formats.insert("FbsBitmapColor64K", 0x0080); - formats.insert("FbsBitmapColor16M", 0x0100); - formats.insert("UserDefined", 0x0200); - formats.insert("YUV420Interleaved", 0x0400); - formats.insert("YUV420Planar", 0x0800); - formats.insert("YUV422", 0x1000); - formats.insert("YUV422Reversed", 0x2000); - formats.insert("YUV444", 0x4000); - formats.insert("YUV420SemiPlanar", 0x8000); - formats.insert("FbsBitmapColor16MU", 0x00010000); - formats.insert("MJPEG", 0x00020000); - formats.insert("EncodedH264", 0x00040000); - - return formats; -} - -QMap<QString, QString> S60ImageCaptureSession::codecDescriptionMap() -{ - QMap<QString, QString> formats; - - formats.insert("image/jpg", "JPEG image codec"); - - return formats; -} - -QStringList S60ImageCaptureSession::supportedImageCaptureCodecs() -{ -#ifdef Q_CC_NOKIAX86 // Emulator - return formatMap().keys(); -#endif - - return m_supportedImageCodecs; -} - -void S60ImageCaptureSession::updateImageCaptureFormats() -{ - m_formats.clear(); - if (m_cameraEngine && queryCurrentCameraInfo()) { - TUint32 supportedFormats = m_cameraInfo->iImageFormatsSupported; - -#ifdef S60_3X_PLATFORM // S60 3.1 & 3.2 - int maskEnd = CCamera::EFormatFbsBitmapColor16MU; -#else // S60 5.0 or later - int maskEnd = CCamera::EFormatEncodedH264; -#endif // S60_3X_PLATFORM - - for (int mask = CCamera::EFormatMonochrome; mask <= maskEnd; mask <<= 1) { - if (supportedFormats & mask) - m_formats << mask; // Store mask of supported format - } - } -} - -QString S60ImageCaptureSession::imageCaptureCodec() -{ - return m_currentCodec; -} -void S60ImageCaptureSession::setImageCaptureCodec(const QString &codecName) -{ - if (!codecName.isEmpty()) { - if (supportedImageCaptureCodecs().contains(codecName, Qt::CaseInsensitive) || - codecName == "image/jpg") { - m_currentCodec = codecName; - m_currentFormat = selectFormatForCodec(m_currentCodec); - } else { - setError(KErrNotSupported, tr("Requested image codec is not supported")); - } - } else { - m_currentCodec = KDefaultImageCodec; - m_currentFormat = selectFormatForCodec(m_currentCodec); - } -} - -QString S60ImageCaptureSession::imageCaptureCodecDescription(const QString &codecName) -{ - QString description = codecDescriptionMap().value(codecName); - return description; -} - -QtMultimediaKit::EncodingQuality S60ImageCaptureSession::captureQuality() const -{ - switch (m_symbianImageQuality) { - case KJpegQualityVeryLow: - return QtMultimediaKit::VeryLowQuality; - case KJpegQualityLow: - return QtMultimediaKit::LowQuality; - case KJpegQualityNormal: - return QtMultimediaKit::NormalQuality; - case KJpegQualityHigh: - return QtMultimediaKit::HighQuality; - case KJpegQualityVeryHigh: - return QtMultimediaKit::VeryHighQuality; - - default: - // Return normal as default - return QtMultimediaKit::NormalQuality; - } -} - -void S60ImageCaptureSession::setCaptureQuality(const QtMultimediaKit::EncodingQuality &quality) -{ - // Use sensible presets - switch (quality) { - case QtMultimediaKit::VeryLowQuality: - m_symbianImageQuality = KJpegQualityVeryLow; - break; - case QtMultimediaKit::LowQuality: - m_symbianImageQuality = KJpegQualityLow; - break; - case QtMultimediaKit::NormalQuality: - m_symbianImageQuality = KJpegQualityNormal; - break; - case QtMultimediaKit::HighQuality: - m_symbianImageQuality = KJpegQualityHigh; - break; - case QtMultimediaKit::VeryHighQuality: - m_symbianImageQuality = KJpegQualityVeryHigh; - break; - - default: - m_symbianImageQuality = quality * KSymbianImageQualityCoefficient; - break; - } -} - -qreal S60ImageCaptureSession::maximumZoom() -{ - qreal maxZoomFactor = 1.0; - - if (queryCurrentCameraInfo()) { - maxZoomFactor = m_cameraInfo->iMaxZoomFactor; - - if (maxZoomFactor == 0.0 || maxZoomFactor == 1.0) { - return 1.0; // Not supported - } else { - return maxZoomFactor; - } - } else { - return 1.0; - } -} - -qreal S60ImageCaptureSession::minZoom() -{ - qreal minZoomValue = 1.0; - - if (queryCurrentCameraInfo()) { - minZoomValue = m_cameraInfo->iMinZoomFactor; - if (minZoomValue == 0.0 || minZoomValue == 1.0) - return 1.0; // Macro Zoom is not supported - else { - return minZoomValue; - } - - } else { - return 1.0; - } -} - -qreal S60ImageCaptureSession::maxDigitalZoom() -{ - qreal maxDigitalZoomFactor = 1.0; - - if (queryCurrentCameraInfo()) { - maxDigitalZoomFactor = m_cameraInfo->iMaxDigitalZoomFactor; - return maxDigitalZoomFactor; - } else { - return 1.0; - } -} - -void S60ImageCaptureSession::doSetZoomFactorL(qreal optical, qreal digital) -{ -#if !defined(USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER) & !defined(USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER) - // Convert Zoom Factor to Zoom Value if AdvSettings are not available - int digitalSymbian = (digital * m_cameraInfo->iMaxDigitalZoom) / maxDigitalZoom(); - if (m_cameraInfo->iMaxDigitalZoom != 0 && digital == 1.0) - digitalSymbian = 1; // Make sure zooming out to initial value if requested -#endif // !USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER & !USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER - - if (m_cameraEngine && !m_cameraEngine->IsCameraReady()) - return; - - if (m_cameraEngine && queryCurrentCameraInfo()) { - CCamera *camera = m_cameraEngine->Camera(); - if (camera) { - - // Optical Zoom - if (!qFuzzyCompare(optical, qreal(1.0)) && !qFuzzyCompare(optical, qreal(0.0))) { - setError(KErrNotSupported, tr("Requested optical zoom factor is not supported.")); - return; - } - - // Digital Zoom (Smooth Zoom - Zoom value set in steps) - if (digital != digitalZoomFactor()) { - if ((digital > 1.0 || qFuzzyCompare(digital, qreal(1.0))) && - digital <= m_cameraInfo->iMaxDigitalZoomFactor) { -#if defined(USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER) | defined(USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER) - if (m_advancedSettings) { - qreal currentZoomFactor = m_advancedSettings->digitalZoomFactorL(); - - QList<qreal> smoothZoomSetValues; - QList<qreal> factors = m_advancedSettings->supportedDigitalZoomFactors(); - if (currentZoomFactor < digital) { - for (int i = 0; i < factors.count(); ++i) { - if (factors.at(i) > currentZoomFactor && factors.at(i) < digital) - smoothZoomSetValues << factors.at(i); - } - - for (int i = 0; i < smoothZoomSetValues.count(); i = i + KSmoothZoomStep) { - m_advancedSettings->setDigitalZoomFactorL(smoothZoomSetValues[i]); // Using Zoom Factor - } - - } else { - for (int i = 0; i < factors.count(); ++i) { - if (factors.at(i) < currentZoomFactor && factors.at(i) > digital) - smoothZoomSetValues << factors.at(i); - } - - for (int i = (smoothZoomSetValues.count() - 1); i >= 0; i = i - KSmoothZoomStep) { - m_advancedSettings->setDigitalZoomFactorL(smoothZoomSetValues[i]); // Using Zoom Factor - } - } - - // Set final value - m_advancedSettings->setDigitalZoomFactorL(digital); - } - else - setError(KErrNotReady, tr("Zooming failed.")); -#else // No advanced settigns - // Define zoom steps - int currentZoomFactor = camera->DigitalZoomFactor(); - int difference = abs(currentZoomFactor - digitalSymbian); - int midZoomValue = currentZoomFactor; - - if (currentZoomFactor < digitalSymbian) { - while (midZoomValue < (digitalSymbian - KSmoothZoomStep)) { - midZoomValue = midZoomValue + KSmoothZoomStep; - camera->SetDigitalZoomFactorL(midZoomValue); - } - } else { - while (midZoomValue > (digitalSymbian + KSmoothZoomStep)) { - midZoomValue = midZoomValue - KSmoothZoomStep; - camera->SetDigitalZoomFactorL(midZoomValue); - } - } - - // Set final and emit signal - camera->SetDigitalZoomFactorL(digitalSymbian); -#endif // USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER | USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER - } else { - setError(KErrNotSupported, tr("Requested digital zoom factor is not supported.")); - return; - } - } - } - } else { - setError(KErrGeneral, tr("Unexpected camera error.")); - } -} - -qreal S60ImageCaptureSession::opticalZoomFactor() -{ - qreal factor = 1.0; - -#if defined(USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER) | defined(USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER) - if (m_advancedSettings) { - TRAPD(err, factor = m_advancedSettings->opticalZoomFactorL()); - if (err) - return 1.0; - } -#else // No advanced settigns - if (m_cameraEngine && m_cameraInfo) { - if (m_cameraEngine->Camera()) { - if (m_cameraInfo->iMaxZoom != 0) - factor = (m_cameraEngine->Camera()->ZoomFactor()* maximumZoom()) / m_cameraInfo->iMaxZoom; - else - factor = 1.0; - } - } -#endif // USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER | USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER - - if (factor == 0.0) // If not supported - factor = 1.0; - - return factor; -} - -qreal S60ImageCaptureSession::digitalZoomFactor() -{ - qreal factor = 1.0; - -#if defined(USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER) | defined(USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER) - if (m_advancedSettings) { - TRAPD(err, factor = m_advancedSettings->digitalZoomFactorL()); - if (err) - return 1.0; - } -#else // No advanced settigns - if (m_cameraEngine && m_cameraInfo) { - if (m_cameraEngine->Camera()) { - if (m_cameraInfo->iMaxDigitalZoom != 0) - factor = (m_cameraEngine->Camera()->DigitalZoomFactor()* maxDigitalZoom()) / m_cameraInfo->iMaxDigitalZoom; - else - factor = 1.0; - } - } -#endif // USE_S60_32_ECAM_ADVANCED_SETTINGS_HEADER | USE_S60_50_ECAM_ADVANCED_SETTINGS_HEADER - - if (factor == 0.0) - factor = 1.0; - - return factor; -} - -void S60ImageCaptureSession::setFlashMode(QCameraExposure::FlashModes mode) -{ - TRAPD(err, doSetFlashModeL(mode)); - setError(err, tr("Failed to set flash mode.")); -} - -void S60ImageCaptureSession::doSetFlashModeL(QCameraExposure::FlashModes mode) -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera *camera = m_cameraEngine->Camera(); - switch(mode) { - case QCameraExposure::FlashOff: - camera->SetFlashL(CCamera::EFlashNone); - break; - case QCameraExposure::FlashAuto: - camera->SetFlashL(CCamera::EFlashAuto); - break; - case QCameraExposure::FlashOn: - camera->SetFlashL(CCamera::EFlashForced); - break; - case QCameraExposure::FlashRedEyeReduction: - camera->SetFlashL(CCamera::EFlashRedEyeReduce); - break; - case QCameraExposure::FlashFill: - camera->SetFlashL(CCamera::EFlashFillIn); - break; - - default: - setError(KErrNotSupported, tr("Requested flash mode is not suported")); - break; - } - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } -} - -QCameraExposure::FlashMode S60ImageCaptureSession::flashMode() -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera *camera = m_cameraEngine->Camera(); - switch(camera->Flash()) { - case CCamera::EFlashAuto: - return QCameraExposure::FlashAuto; - case CCamera::EFlashForced: - return QCameraExposure::FlashOn; - case CCamera::EFlashRedEyeReduce: - return QCameraExposure::FlashRedEyeReduction; - case CCamera::EFlashFillIn: - return QCameraExposure::FlashFill; - case CCamera::EFlashNone: - return QCameraExposure::FlashOff; - - default: - return QCameraExposure::FlashAuto; // Most probable default - } - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } - - return QCameraExposure::FlashOff; -} - -QCameraExposure::FlashModes S60ImageCaptureSession::supportedFlashModes() -{ - QCameraExposure::FlashModes modes = QCameraExposure::FlashOff; - - if (queryCurrentCameraInfo()) { - TInt supportedModes = m_cameraInfo->iFlashModesSupported; - - if (supportedModes == 0) - return modes; - - if (supportedModes & CCamera::EFlashManual) - modes |= QCameraExposure::FlashOff; - if (supportedModes & CCamera::EFlashForced) - modes |= QCameraExposure::FlashOn; - if (supportedModes & CCamera::EFlashAuto) - modes |= QCameraExposure::FlashAuto; - if (supportedModes & CCamera::EFlashFillIn) - modes |= QCameraExposure::FlashFill; - if (supportedModes & CCamera::EFlashRedEyeReduce) - modes |= QCameraExposure::FlashRedEyeReduction; - } - - return modes; -} - -QCameraExposure::ExposureMode S60ImageCaptureSession::exposureMode() -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera* camera = m_cameraEngine->Camera(); - switch(camera->Exposure()) { - case CCamera::EExposureManual: - return QCameraExposure::ExposureManual; - case CCamera::EExposureAuto: - return QCameraExposure::ExposureAuto; - case CCamera::EExposureNight: - return QCameraExposure::ExposureNight; - case CCamera::EExposureBacklight: - return QCameraExposure::ExposureBacklight; - case CCamera::EExposureSport: - return QCameraExposure::ExposureSports; - case CCamera::EExposureSnow: - return QCameraExposure::ExposureSnow; - case CCamera::EExposureBeach: - return QCameraExposure::ExposureBeach; - - default: - return QCameraExposure::ExposureAuto; - } - } - - return QCameraExposure::ExposureAuto; -} - -bool S60ImageCaptureSession::isExposureModeSupported(QCameraExposure::ExposureMode mode) const -{ - TInt supportedModes = m_cameraInfo->iExposureModesSupported; - - if (supportedModes == 0) - return false; - - switch (mode) { - case QCameraExposure::ExposureManual: - if(supportedModes & CCamera::EExposureManual) - return true; - else - return false; - case QCameraExposure::ExposureAuto: - return true; // Always supported - case QCameraExposure::ExposureNight: - if(supportedModes & CCamera::EExposureNight) - return true; - else - return false; - case QCameraExposure::ExposureBacklight: - if(supportedModes & CCamera::EExposureBacklight) - return true; - else - return false; - case QCameraExposure::ExposureSports: - if(supportedModes & CCamera::EExposureSport) - return true; - else - return false; - case QCameraExposure::ExposureSnow: - if(supportedModes & CCamera::EExposureSnow) - return true; - else - return false; - case QCameraExposure::ExposureBeach: - if(supportedModes & CCamera::EExposureBeach) - return true; - else - return false; - - default: - return false; - } -} - -void S60ImageCaptureSession::setExposureMode(QCameraExposure::ExposureMode mode) -{ - TRAPD(err, doSetExposureModeL(mode)); - setError(err, tr("Failed to set exposure mode.")); -} - -void S60ImageCaptureSession::doSetExposureModeL( QCameraExposure::ExposureMode mode) -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera *camera = m_cameraEngine->Camera(); - switch(mode) { - case QCameraExposure::ExposureManual: - camera->SetExposureL(CCamera::EExposureManual); - break; - case QCameraExposure::ExposureAuto: - camera->SetExposureL(CCamera::EExposureAuto); - break; - case QCameraExposure::ExposureNight: - camera->SetExposureL(CCamera::EExposureNight); - break; - case QCameraExposure::ExposureBacklight: - camera->SetExposureL(CCamera::EExposureBacklight); - break; - case QCameraExposure::ExposureSports: - camera->SetExposureL(CCamera::EExposureSport); - break; - case QCameraExposure::ExposureSnow: - camera->SetExposureL(CCamera::EExposureSnow); - break; - case QCameraExposure::ExposureBeach: - camera->SetExposureL(CCamera::EExposureBeach); - break; - case QCameraExposure::ExposureLargeAperture: - case QCameraExposure::ExposureSmallAperture: - break; - case QCameraExposure::ExposurePortrait: - case QCameraExposure::ExposureSpotlight: - default: - setError(KErrNotSupported, tr("Requested exposure mode is not suported")); - break; - } - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } -} - -int S60ImageCaptureSession::contrast() const -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - return m_cameraEngine->Camera()->Contrast(); - } else { - return 0; - } -} - -void S60ImageCaptureSession::setContrast(int value) -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - TRAPD(err, m_cameraEngine->Camera()->SetContrastL(value)); - setError(err, tr("Failed to set contrast.")); - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } -} - -int S60ImageCaptureSession::brightness() const -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - return m_cameraEngine->Camera()->Brightness(); - } else { - return 0; - } -} - -void S60ImageCaptureSession::setBrightness(int value) -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - TRAPD(err, m_cameraEngine->Camera()->SetBrightnessL(value)); - setError(err, tr("Failed to set brightness.")); - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } -} - - QCameraImageProcessing::WhiteBalanceMode S60ImageCaptureSession::whiteBalanceMode() -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera::TWhiteBalance mode = m_cameraEngine->Camera()->WhiteBalance(); - switch(mode) { - case CCamera::EWBAuto: - return QCameraImageProcessing::WhiteBalanceAuto; - case CCamera::EWBDaylight: - return QCameraImageProcessing::WhiteBalanceSunlight; - case CCamera::EWBCloudy: - return QCameraImageProcessing::WhiteBalanceCloudy; - case CCamera::EWBTungsten: - return QCameraImageProcessing::WhiteBalanceTungsten; - case CCamera::EWBFluorescent: - return QCameraImageProcessing::WhiteBalanceFluorescent; - case CCamera::EWBFlash: - return QCameraImageProcessing::WhiteBalanceFlash; - case CCamera::EWBBeach: - return QCameraImageProcessing::WhiteBalanceSunset; - case CCamera::EWBManual: - return QCameraImageProcessing::WhiteBalanceManual; - case CCamera::EWBShade: - return QCameraImageProcessing::WhiteBalanceShade; - - default: - return QCameraImageProcessing::WhiteBalanceAuto; - } - } - - return QCameraImageProcessing::WhiteBalanceAuto; -} - -void S60ImageCaptureSession::setWhiteBalanceMode( QCameraImageProcessing::WhiteBalanceMode mode) -{ - TRAPD(err, doSetWhiteBalanceModeL(mode)); - setError(err, tr("Failed to set white balance mode.")); -} - -void S60ImageCaptureSession::doSetWhiteBalanceModeL( QCameraImageProcessing::WhiteBalanceMode mode) -{ - if (m_cameraEngine && m_cameraEngine->Camera()) { - CCamera* camera = m_cameraEngine->Camera(); - switch(mode) { - case QCameraImageProcessing::WhiteBalanceAuto: - camera->SetWhiteBalanceL(CCamera::EWBAuto); - break; - case QCameraImageProcessing::WhiteBalanceSunlight: - camera->SetWhiteBalanceL(CCamera::EWBDaylight); - break; - case QCameraImageProcessing::WhiteBalanceCloudy: - camera->SetWhiteBalanceL(CCamera::EWBCloudy); - break; - case QCameraImageProcessing::WhiteBalanceTungsten: - camera->SetWhiteBalanceL(CCamera::EWBTungsten); - break; - case QCameraImageProcessing::WhiteBalanceFluorescent: - camera->SetWhiteBalanceL(CCamera::EWBFluorescent); - break; - case QCameraImageProcessing::WhiteBalanceFlash: - camera->SetWhiteBalanceL(CCamera::EWBFlash); - break; - case QCameraImageProcessing::WhiteBalanceSunset: - camera->SetWhiteBalanceL(CCamera::EWBBeach); - break; - case QCameraImageProcessing::WhiteBalanceManual: - camera->SetWhiteBalanceL(CCamera::EWBManual); - break; - case QCameraImageProcessing::WhiteBalanceShade: - camera->SetWhiteBalanceL(CCamera::EWBShade); - break; - - default: - setError(KErrNotSupported, tr("Requested white balance mode is not suported")); - break; - } - } else { - setError(KErrNotReady, tr("Unexpected camera error.")); - } -} - -bool S60ImageCaptureSession::isWhiteBalanceModeSupported(QCameraImageProcessing::WhiteBalanceMode mode) const -{ - if (m_cameraEngine) { - TInt supportedModes = m_cameraInfo->iWhiteBalanceModesSupported; - switch (mode) { - case QCameraImageProcessing::WhiteBalanceManual: - if (supportedModes & CCamera::EWBManual) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceAuto: - if (supportedModes & CCamera::EWBAuto) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceSunlight: - if (supportedModes & CCamera::EWBDaylight) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceCloudy: - if (supportedModes & CCamera::EWBCloudy) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceShade: - if (supportedModes & CCamera::EWBShade) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceTungsten: - if (supportedModes & CCamera::EWBTungsten) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceFluorescent: - if (supportedModes & CCamera::EWBFluorescent) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceIncandescent: // Not available in Symbian - return false; - case QCameraImageProcessing::WhiteBalanceFlash: - if (supportedModes & CCamera::EWBFlash) - return true; - else - return false; - case QCameraImageProcessing::WhiteBalanceSunset: - if (supportedModes & CCamera::EWBBeach) - return true; - else - return false; - - default: - return false; - } - } - - return false; -} - -/* - * ==================== - * S60 3.1 AutoFocosing - * ==================== - */ -bool S60ImageCaptureSession::isFocusSupported() const -{ - return m_cameraEngine->IsAutoFocusSupported(); -} - -void S60ImageCaptureSession::startFocus() -{ - if (m_cameraEngine) { - TRAPD(err, m_cameraEngine->StartFocusL()); - setError(err, tr("Failed to start focusing.")); - } - else - setError(KErrNotReady, tr("Unexpected camera error.")); -} - -void S60ImageCaptureSession::cancelFocus() -{ - if (m_cameraEngine) { - TRAPD(err, m_cameraEngine->FocusCancel()); - setError(err, tr("Failed to cancel focusing.")); - } - else - setError(KErrNotReady, tr("Unexpected camera error.")); -} - -void S60ImageCaptureSession::handleImageDecoded(int error) -{ - // Delete unneeded objects - if (m_imageDecoder) { - delete m_imageDecoder; - m_imageDecoder = 0; - } - if (m_fileSystemAccess) { - m_fileSystemAccess->Close(); - delete m_fileSystemAccess; - m_fileSystemAccess = 0; - } - - // Check status of decoding - if (error != KErrNone) { - if (m_previewBitmap) { - m_previewBitmap->Reset(); - delete m_previewBitmap; - m_previewBitmap = 0; - } - releaseImageBuffer(); - if (m_previewInWaitLoop) { - CActiveScheduler::Stop(); // Notify to continue execution of next Preview Image generation - m_previewInWaitLoop = false; // Reset - } - setError(error, tr("Preview creation failed.")); - return; - } - - m_previewDecodingOngoing = false; - - QPixmap prevPixmap = QPixmap::fromSymbianCFbsBitmap(m_previewBitmap); - QImage preview = prevPixmap.toImage(); - - if (m_previewBitmap) { - m_previewBitmap->Reset(); - delete m_previewBitmap; - m_previewBitmap = 0; - } - - QT_TRYCATCH_LEAVING( emit imageCaptured(m_currentImageId, preview) ); - - // Release image resources (if not already done) - releaseImageBuffer(); - - if (m_previewInWaitLoop) { - CActiveScheduler::Stop(); // Notify to continue execution of next Preview Image generation - m_previewInWaitLoop = false; // Reset - } -} - -void S60ImageCaptureSession::handleImageEncoded(int error) -{ - // Check status of encoding - if (error != KErrNone) { - releaseImageBuffer(); - if (m_previewInWaitLoop) { - CActiveScheduler::Stop(); // Notify to continue execution of next Preview Image generation - m_previewInWaitLoop = false; // Reset - } - setError(error, tr("Saving captured image to file failed.")); - return; - } else { - QT_TRYCATCH_LEAVING( emit imageSaved(m_currentImageId, m_stillCaptureFileName) ); - } - - if (m_imageEncoder) { - delete m_imageEncoder; - m_imageEncoder = 0; - } - -#ifndef ECAM_PREVIEW_API - // Start preview generation - TInt previewError = KErrNone; - TFileName fileName = convertImagePath(); - TRAP(previewError, m_imageDecoder = S60ImageCaptureDecoder::FileNewL(this, m_fileSystemAccess, &fileName)); - if (previewError) { - setError(previewError, tr("Failed to create preview image.")); - return; - } - - // Set proper Preview Size - TSize scaledSize((m_captureSize.width() / KSnapshotDownScaleFactor), (m_captureSize.height() / KSnapshotDownScaleFactor)); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize((m_captureSize.width() / (KSnapshotDownScaleFactor/2)), (m_captureSize.height() / (KSnapshotDownScaleFactor/2))); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize((m_captureSize.width() / (KSnapshotDownScaleFactor/4)), (m_captureSize.height() / (KSnapshotDownScaleFactor/4))); - if (scaledSize.iWidth < KSnapshotMinWidth || scaledSize.iHeight < KSnapshotMinHeight) - scaledSize.SetSize(m_captureSize.width(), m_captureSize.height()); - - TFrameInfo *info = m_imageDecoder->frameInfo(); - if (!info) { - setError(KErrGeneral, tr("Preview image creation failed.")); - return; - } - - m_previewBitmap = new CFbsBitmap; - if (!m_previewBitmap) { - setError(KErrNoMemory, tr("Failed to create preview image.")); - return; - } - previewError = m_previewBitmap->Create(scaledSize, info->iFrameDisplayMode); - if (previewError) { - setError(previewError, tr("Preview creation failed.")); - return; - } - - // Jpeg decoding completes in handleImageDecoded() - m_imageDecoder->decode(m_previewBitmap); -#endif // ECAM_PREVIEW_API - - // Buffer can be released since Preview is created from file - releaseImageBuffer(); - - // Inform that we can continue taking more pictures - QT_TRYCATCH_LEAVING( emit readyForCaptureChanged(true) ); -} - -#ifdef ECAM_PREVIEW_API -void S60ImageCaptureSession::MceoPreviewReady(CFbsBitmap& aPreview) -{ - QPixmap previewPixmap = QPixmap::fromSymbianCFbsBitmap(&aPreview); - QImage preview = previewPixmap.toImage(); - - // Notify preview availability - emit imageCaptured(m_currentImageId, preview); -} -#endif // ECAM_PREVIEW_API - -// End of file - |