diff options
| -rw-r--r-- | include/libcamera/transform.h | 4 | ||||
| -rw-r--r-- | src/libcamera/transform.cpp | 60 |
2 files changed, 64 insertions, 0 deletions
diff --git a/include/libcamera/transform.h b/include/libcamera/transform.h index 2a6838c7..14f1db0e 100644 --- a/include/libcamera/transform.h +++ b/include/libcamera/transform.h @@ -11,6 +11,8 @@ namespace libcamera { +enum class Orientation; + enum class Transform : int { Identity = 0, Rot0 = Identity, @@ -69,6 +71,8 @@ constexpr Transform operator~(Transform t) } Transform transformFromRotation(int angle, bool *success = nullptr); +Transform transformFromOrientation(const Orientation &orientation); +Orientation transformToOrientation(const Transform &transform); const char *transformToString(Transform t); diff --git a/src/libcamera/transform.cpp b/src/libcamera/transform.cpp index 4668303d..c3059401 100644 --- a/src/libcamera/transform.cpp +++ b/src/libcamera/transform.cpp @@ -7,6 +7,8 @@ #include <libcamera/transform.h> +#include <libcamera/orientation.h> + /** * \file transform.h * \brief Enum to represent and manipulate 2D plane transforms @@ -300,6 +302,64 @@ Transform transformFromRotation(int angle, bool *success) } /** + * \brief Return the transform representing \a orientation + * \param[in] orientation The orientation to convert + * \return The transform corresponding to \a orientation + */ +Transform transformFromOrientation(const Orientation &orientation) +{ + switch (orientation) { + case Orientation::Rotate0: + return Transform::Identity; + case Orientation::Rotate0Mirror: + return Transform::HFlip; + case Orientation::Rotate180: + return Transform::Rot180; + case Orientation::Rotate180Mirror: + return Transform::VFlip; + case Orientation::Rotate90Mirror: + return Transform::Transpose; + case Orientation::Rotate90: + return Transform::Rot90; + case Orientation::Rotate270Mirror: + return Transform::Rot180Transpose; + case Orientation::Rotate270: + return Transform::Rot270; + } + + return Transform::Identity; +} + +/** + * \brief Return the Orientation representing \a transform + * \param[in] transform The transform to convert + * \return The Orientation corresponding to \a transform + */ +Orientation transformToOrientation(const Transform &transform) +{ + switch (transform) { + case Transform::Identity: + return Orientation::Rotate0; + case Transform::HFlip: + return Orientation::Rotate0Mirror; + case Transform::VFlip: + return Orientation::Rotate180Mirror; + case Transform::Rot180: + return Orientation::Rotate180; + case Transform::Transpose: + return Orientation::Rotate90Mirror; + case Transform::Rot270: + return Orientation::Rotate270; + case Transform::Rot90: + return Orientation::Rotate90; + case Transform::Rot180Transpose: + return Orientation::Rotate270Mirror; + } + + return Orientation::Rotate0; +} + +/** * \brief Return a character string describing the transform * \param[in] t The transform to be described. */ |