ScRecognitionContext.h

Go to the documentation of this file.

#ifndef SC_RECOGNITION_CONTEXT_H_
#define SC_RECOGNITION_CONTEXT_H_

#include <Scandit/ScConfig.h>
#include <Scandit/ScCommon.h>
#include <Scandit/ScImageDescription.h>

#if SC_PLATFORM_ANDROID
#include <jni.h>
#endif

#if defined(__cplusplus)
extern "C" {
#endif

typedef struct ScOpaqueRecognitionContext ScRecognitionContext;

typedef enum {
    SC_RECOGNITION_CONTEXT_STATUS_UNKNOWN = 0,
    SC_RECOGNITION_CONTEXT_STATUS_SUCCESS = 1,
    SC_RECOGNITION_CONTEXT_STATUS_INTERNAL_ERROR = 2,
    SC_RECOGNITION_CONTEXT_STATUS_FRAME_SEQUENCE_NOT_STARTED = 3,
    SC_RECOGNITION_CONTEXT_STATUS_UNSUPPORTED_IMAGE_DATA = 4,
    SC_RECOGNITION_CONTEXT_STATUS_INCONSISTENT_IMAGE_DATA = 5,
    SC_RECOGNITION_CONTEXT_STATUS_NO_NETWORK_CONNECTION = 6,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_FILE_EXPIRED = 7,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_FILE_IO_ERROR = 8,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_VALIDATION_FAILED = 9,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_VALIDATION_FAILED_400 = 10,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_VALIDATION_FAILED_403 = 11,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_KEY_MISSING = 12,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_KEY_EXPIRED = 13,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_PLATFORM = 14,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_APP_ID = 15,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_DEVICE = 16,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_SDK_VERSION = 17,
    SC_RECOGNITION_CONTEXT_STATUS_LICENSE_KEY_INVALID = 18,
    SC_RECOGNITION_CONTEXT_STATUS_DEVICE_ACTIVATION_FAILED = 19,
    SC_RECOGNITION_CONTEXT_STATUS_TIME_EXCEEDED = 20,
    SC_RECOGNITION_CONTEXT_STATUS_SCANS_EXCEEDED = 21,
    SC_RECOGNITION_CONTEXT_STATUS_REGISTRATION_MANDATORY_BUT_NOT_REGISTERED = 22,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_EXTERNAL_ID = 23,
    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_SYMBOLOGY_ENABLED = 24,
    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_RESOLUTION = 25,
    SC_RECOGNITION_CONTEXT_STATUS_INVALID_LICENSE_KEY_VERSION = 26,
    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_SYMBOLOGY_EXTENSION_ENABLED = 27,
    SC_RECOGNITION_CONTEXT_STATUS_MISSING_RESOURCE_ERROR = 28,
    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_TEXT_RECOGNIZER = 29,
    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_FEATURE_BEGIN = 255,

    SC_RECOGNITION_CONTEXT_STATUS_UNLICENSED_FEATURE_END = 512,

    SC_RECOGNITION_CONTEXT_STATUS_ASYNC_SCAN_FAILURE = 1024

} ScContextStatusFlag;

typedef struct {
    ScContextStatusFlag status; 
    uint32_t frame_id; 
} ScProcessFrameResult;

SC_EXPORT const char *
sc_context_status_flag_get_message(ScContextStatusFlag status);


#if SC_PLATFORM_ANDROID || (defined(SC_GENERATE_DOCS) && SC_GENERATE_DOCS)

SC_EXPORT ScRecognitionContext *
sc_recognition_context_new(const char *license_key, const char* writable_data_path,
                           JNIEnv *env, jobject activity, const char* device_name);
#endif

#if SC_PLATFORM_GENERIC || (defined(SC_GENERATE_DOCS) && SC_GENERATE_DOCS)

SC_EXPORT ScRecognitionContext *
sc_recognition_context_new(const char *license_key,
                           const char *writable_data_path,
                           const char *device_name);
#endif

SC_EXPORT void sc_recognition_context_retain(ScRecognitionContext *context);

SC_EXPORT void sc_recognition_context_release(ScRecognitionContext *context);

SC_EXPORT void
sc_recognition_context_start_new_frame_sequence(ScRecognitionContext *context);

SC_EXPORT ScProcessFrameResult
sc_recognition_context_process_frame(ScRecognitionContext *context,
                                     const ScImageDescription *image_description,
                                     const uint8_t *image_data);

SC_EXPORT void
sc_recognition_context_end_frame_sequence(ScRecognitionContext *context);

SC_EXPORT void
sc_recognition_context_set_geographical_location(ScRecognitionContext *context,
                                                 float latitude, float longitude);

typedef enum {
    SC_CAMERA_FACING_DIRECTION_UNKNOWN = 0x00,
    SC_CAMERA_FACING_DIRECTION_BACK = 0x01,
    SC_CAMERA_FACING_DIRECTION_FRONT = 0x02
} ScCameraFacingDirection;

typedef struct {
    ScCameraFacingDirection facing_direction; 
    char const *identifier; 
} ScCameraProperties;

SC_EXPORT void sc_recognition_context_set_camera_properties(ScRecognitionContext *context,
                                                            ScCameraProperties camera_properties);

#if defined(__cplusplus)
}
#endif

#endif // SC_RECOGNITION_CONTEXT_H_