1 files changed, 55 insertions, 0 deletions

diff --git a/include/libimobiledevice/screenshotr.h b/include/libimobiledevice/screenshotr.h
index c8679a9..3601172 100644
--- a/include/libimobiledevice/screenshotr.h
+++ b/include/libimobiledevice/screenshotr.h
@@ -50,10 +50,65 @@ typedef int16_t screenshotr_error_t;
 typedef struct screenshotr_client_private screenshotr_client_private;
 typedef screenshotr_client_private *screenshotr_client_t; /**< The client handle. */
 
+
+/**
+ * Connects to the screenshotr service on the specified device.
+ *
+ * @param device The device to connect to.
+ * @param service The service descriptor returned by lockdownd_start_service.
+ * @param client Pointer that will be set to a newly allocated
+ *     screenshotr_client_t upon successful return.
+ *
+ * @note This service is only available if a developer disk image has been
+ *     mounted.
+ *
+ * @return SCREENSHOTR_E_SUCCESS on success, SCREENSHOTR_E_INVALID ARG if one
+ *     or more parameters are invalid, or SCREENSHOTR_E_CONN_FAILED if the
+ *     connection to the device could not be established.
+ */
 screenshotr_error_t screenshotr_client_new(idevice_t device, lockdownd_service_descriptor_t service, screenshotr_client_t * client);
+
+/**
+ * Starts a new screenshotr service on the specified device and connects to it.
+ *
+ * @param device The device to connect to.
+ * @param client Pointer that will point to a newly allocated
+ *     screenshotr_client_t upon successful return. Must be freed using
+ *     screenshotr_client_free() after use.
+ * @param label The label to use for communication. Usually the program name.
+ *  Pass NULL to disable sending the label in requests to lockdownd.
+ *
+ * @return SCREENSHOTR_E_SUCCESS on success, or an SCREENSHOTR_E_* error
+ *     code otherwise.
+ */
 screenshotr_error_t screenshotr_client_start_service(idevice_t device, screenshotr_client_t* client, const char* label);
+
+/**
+ * Disconnects a screenshotr client from the device and frees up the
+ * screenshotr client data.
+ *
+ * @param client The screenshotr client to disconnect and free.
+ *
+ * @return SCREENSHOTR_E_SUCCESS on success, or SCREENSHOTR_E_INVALID_ARG
+ *     if client is NULL.
+ */
 screenshotr_error_t screenshotr_client_free(screenshotr_client_t client);
 
+
+/**
+ * Get a screen shot from the connected device.
+ *
+ * @param client The connection screenshotr service client.
+ * @param imgdata Pointer that will point to a newly allocated buffer
+ *     containing TIFF image data upon successful return. It is up to the
+ *     caller to free the memory.
+ * @param imgsize Pointer to a uint64_t that will be set to the size of the
+ *     buffer imgdata points to upon successful return.
+ *
+ * @return SCREENSHOTR_E_SUCCESS on success, SCREENSHOTR_E_INVALID_ARG if
+ *     one or more parameters are invalid, or another error code if an
+ *     error occured.
+ */
 screenshotr_error_t screenshotr_take_screenshot(screenshotr_client_t client, char **imgdata, uint64_t *imgsize);
 
 #ifdef __cplusplus