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Implement image capture (both synchronous and asynchronous variants)

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fp_dev_img_capture() is not implemented and returns -ENOTSUPP for all devices
since migration to asynchronous model. This commit implement missing functionality
This commit is contained in:
Vasily Khoruzhick
2013-02-08 14:38:13 +03:00
parent aeca32fc12
commit 2bba4fb073
6 changed files with 278 additions and 48 deletions
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18
libfprint/fprint.h
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@@ -107,6 +107,17 @@ uint32_t fp_dev_get_devtype(struct fp_dev *dev);
int fp_dev_supports_print_data(struct fp_dev *dev, struct fp_print_data *data);
int fp_dev_supports_dscv_print(struct fp_dev *dev, struct fp_dscv_print *print);
/** \ingroup dev
* Image capture result codes returned from fp_dev_img_capture().
*/
enum fp_capture_result {
/** Capture completed successfully, the capture data has been
* returned to the caller. */
FP_CAPTURE_COMPLETE = 0,
/** Capture failed for some reason */
FP_CAPTURE_FAIL,
};
int fp_dev_supports_imaging(struct fp_dev *dev);
int fp_dev_img_capture(struct fp_dev *dev, int unconditional,
struct fp_img **image);
@@ -340,6 +351,13 @@ typedef void (*fp_identify_stop_cb)(struct fp_dev *dev, void *user_data);
int fp_async_identify_stop(struct fp_dev *dev, fp_identify_stop_cb callback,
void *user_data);
typedef void (*fp_capture_cb)(struct fp_dev *dev, int result,
struct fp_img *img, void *user_data);
int fp_async_capture_start(struct fp_dev *dev, int unconditional, fp_capture_cb callback, void *user_data);
typedef void (*fp_capture_stop_cb)(struct fp_dev *dev, void *user_data);
int fp_async_capture_stop(struct fp_dev *dev, fp_capture_stop_cb callback, void *user_data);
#ifdef __cplusplus
}
#endif