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device: Expose supported features publicly as FpDeviceFeature

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It can be convenient for device users to check what it supports, without
having multiple functions to check each single feature.

So expose this and add tests.
This commit is contained in:
Marco Trevisan (Treviño)
2021-04-09 21:31:43 +02:00
parent bd99f865d8
commit ef805f2341
14 changed files with 330 additions and 129 deletions
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28
libfprint/fp-device.h
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@@ -47,6 +47,30 @@ typedef enum {
FP_DEVICE_TYPE_USB,
} FpDeviceType;
/**
* FpDeviceFeature:
* @FP_DEVICE_FEATURE_NONE: Device does not support any feature
* @FP_DEVICE_FEATURE_CAPTURE: Supports image capture
* @FP_DEVICE_FEATURE_VERIFY: Supports finger verification
* @FP_DEVICE_FEATURE_IDENTIFY: Supports finger identification
* @FP_DEVICE_FEATURE_STORAGE: Device has a persistent storage
* @FP_DEVICE_FEATURE_STORAGE_LIST: Supports listing the storage templates
* @FP_DEVICE_FEATURE_STORAGE_DELETE: Supports deleting stored templates
* @FP_DEVICE_FEATURE_STORAGE_CLEAR: Supports clearing the whole storage
* @FP_DEVICE_FEATURE_DUPLICATES_CHECK: Natively supports duplicates detection
*/
typedef enum /*< flags >*/ {
FP_DEVICE_FEATURE_NONE = 0,
FP_DEVICE_FEATURE_CAPTURE = 1 << 0,
FP_DEVICE_FEATURE_IDENTIFY = 1 << 1,
FP_DEVICE_FEATURE_VERIFY = 1 << 2,
FP_DEVICE_FEATURE_STORAGE = 1 << 3,
FP_DEVICE_FEATURE_STORAGE_LIST = 1 << 4,
FP_DEVICE_FEATURE_STORAGE_DELETE = 1 << 5,
FP_DEVICE_FEATURE_STORAGE_CLEAR = 1 << 6,
FP_DEVICE_FEATURE_DUPLICATES_CHECK = 1 << 7,
} FpDeviceFeature;
/**
* FpScanType:
* @FP_SCAN_TYPE_SWIPE: Sensor requires swiping the finger.
@@ -178,6 +202,10 @@ FpScanType fp_device_get_scan_type (FpDevice *device);
FpFingerStatusFlags fp_device_get_finger_status (FpDevice *device);
gint fp_device_get_nr_enroll_stages (FpDevice *device);
FpDeviceFeature fp_device_get_features (FpDevice *device);
gboolean fp_device_has_feature (FpDevice *device,
FpDeviceFeature feature);
gboolean fp_device_supports_identify (FpDevice *device);
gboolean fp_device_supports_capture (FpDevice *device);
gboolean fp_device_has_storage (FpDevice *device);