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Blackberry: Fix orientation of taken photos

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Ensure that the taken photos are always upright.
As long as the QCamera API does not provide information about
the native orientation of the camera, we have to do the rotation
inside the BBCamera plugin.

Change-Id: Iebb04a5417274c2baee5e944dadf10fc706484d9
Reviewed-by: Bernd Weimer <bweimer@rim.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
This commit is contained in:
Tobias Koenig
2013-02-08 17:38:25 +01:00
committed by The Qt Project
parent d2b0a345ab
commit 60607544e1
1 changed files with 18 additions and 5 deletions
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23
src/plugins/blackberry/camera/bbcamerasession.cpp
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@@ -807,7 +807,7 @@ void BbCameraSession::handleVideoViewFinderData(camera_buffer_t *buffer)
{
QTransform transform;
transform.rotate(360 - m_nativeCameraOrientation);
transform.rotate(m_nativeCameraOrientation);
const QImage frame = convertFrameToImage(buffer).transformed(transform);
@@ -829,8 +829,21 @@ void BbCameraSession::updateReadyForCapture()
emit readyForCaptureChanged(isReadyForCapture());
}
void BbCameraSession::imageCaptured(int requestId, const QImage &image, const QString &fileName)
void BbCameraSession::imageCaptured(int requestId, const QImage &rawImage, const QString &fileName)
{
QTransform transform;
// subtract out the native rotation
transform.rotate(m_nativeCameraOrientation);
// subtract out the current device orientation
if (m_device == cameraIdentifierRear())
transform.rotate(360 - m_orientationHandler->orientation());
else
transform.rotate(m_orientationHandler->orientation());
const QImage image = rawImage.transformed(transform);
// Generate snap preview as downscaled image
{
QSize previewSize = image.size();
@@ -1139,7 +1152,7 @@ void BbCameraSession::applyConfiguration()
CAMERA_IMGPROP_WIDTH, viewfinderResolution.width(),
CAMERA_IMGPROP_HEIGHT, viewfinderResolution.height(),
CAMERA_IMGPROP_FORMAT, CAMERA_FRAMETYPE_NV12,
CAMERA_IMGPROP_ROTATION, m_nativeCameraOrientation);
CAMERA_IMGPROP_ROTATION, 360 - m_nativeCameraOrientation);
if (result != CAMERA_EOK) {
qWarning() << "Unable to apply photo viewfinder settings:" << result;
@@ -1171,7 +1184,7 @@ void BbCameraSession::applyConfiguration()
CAMERA_IMGPROP_WIDTH, photoResolution.width(),
CAMERA_IMGPROP_HEIGHT, photoResolution.height(),
CAMERA_IMGPROP_JPEGQFACTOR, jpegQuality,
CAMERA_IMGPROP_ROTATION, m_nativeCameraOrientation);
CAMERA_IMGPROP_ROTATION, 360 - m_nativeCameraOrientation);
if (result != CAMERA_EOK) {
qWarning() << "Unable to apply photo settings:" << result;
@@ -1204,7 +1217,7 @@ void BbCameraSession::applyConfiguration()
const camera_error_t result = camera_set_videovf_property(m_handle,
CAMERA_IMGPROP_WIDTH, viewfinderResolution.width(),
CAMERA_IMGPROP_HEIGHT, viewfinderResolution.height(),
CAMERA_IMGPROP_ROTATION, m_nativeCameraOrientation);
CAMERA_IMGPROP_ROTATION, 360 - m_nativeCameraOrientation);
if (result != CAMERA_EOK) {
qWarning() << "Unable to apply video viewfinder settings:" << result;