Control parameter adjustment method of lens and electronic device

1 . A control parameter adjustment method of a lens, which is applied to an electronic device, wherein the electronic device comprises a lens, a display and an operation interface circuit, the control parameter adjustment method comprising:

capturing an external image through the lens, and presenting an image screen corresponding to the external image through the display;

receiving a first user operation through the operation interface circuit;

in response to the first user operation, activating a first parameter adjustment mode corresponding to the lens and providing a first parameter adjustment interface, wherein the first parameter adjustment interface is configured to adjust a control parameter of the lens based on a first virtual scale;

in the first parameter adjustment mode, receiving a second user operation through the operation interface circuit;

obtaining an operation position of the second user operation on the display;

obtaining two target scale units in the first virtual scale from a plurality of scale units presented in the first parameter adjustment mode;

determining whether the operation position of the second user operation remains at a same position located between the two target scale units in the first virtual scale for a predetermined time period; and

in response to determining that the operation position of the second user operation remains at the same position located between the two target scale units in the first virtual scale for the predetermined time period, enlarging an interval width between the two scale units in the first virtual scale, and activating a second parameter adjustment mode corresponding to the lens and providing a second parameter adjustment interface, wherein the second parameter adjustment interface is configured to adjust the control parameter of the lens based on a second virtual scale, and the first virtual scale is different from the second virtual scale.

2 . The control parameter adjustment method of the lens according to claim 1 , wherein the control parameter comprises a focal length parameter, and the focal length parameter is configured to control a focal length of the lens.

3 . The control parameter adjustment method of the lens according to claim 1 , wherein the first parameter adjustment interface is configured to make a coarse adjustment of the control parameter, and the second parameter adjustment interface is configured to make a fine adjustment of the control parameter.

4 . The control parameter adjustment method of the lens according to claim 1 , wherein a first interval width between the two scale units in the first virtual scale is smaller than a second interval width between the two scale units in the second virtual scale.

5 . The control parameter adjustment method of the lens according to claim 1 , further comprising:

presenting the first virtual scale on the image screen through the display in the first parameter adjustment mode; and

presenting the second virtual scale on the image screen through the display in the second parameter adjustment mode.

6 . The control parameter adjustment method of the lens according to claim 5 , further comprising:

in the first parameter adjustment mode, if a user operation instructing to adjust the control parameter is not received within a first time range, hiding the first virtual scale; and

in the second parameter adjustment mode, if the user operation instructing to adjust the control parameter is not received within a second time range, hiding the second virtual scale.

7 . The control parameter adjustment method of the lens according to claim 1 , further comprising:

receiving a third user operation through the operation interface circuit in the second parameter adjustment mode; and

in response to the third user operation, restoring a current parameter adjustment mode to the first parameter adjustment mode from the second parameter adjustment mode.

8 . The control parameter adjustment method of the lens according to claim 1 , wherein the operation interface circuit comprises a touch screen of the display or a physical button of the electronic device.

9 . An electronic device, comprising:

a lens;

a display;

an operation interface circuit; and

a processor, which is coupled to the lens, the display and the operation interface circuit, wherein the processor is configured to:

capture an external image through the lens, and present an image screen corresponding to the external image through the display;

receive a first user operation through the operation interface circuit;

in response to the first user operation, activate a first parameter adjustment mode corresponding to the lens and provide a first parameter adjustment interface, wherein the first parameter adjustment interface is configured to adjust a control parameter of the lens based on a first virtual scale;

receive a second user operation through the operation interface circuit in the first parameter adjustment mode;

obtain an operation position of the second user operation on the display;

obtain two target scale units in the first virtual scale from a plurality of scale units presented in the first parameter adjustment interface;

determine whether the operation position of the second user operation remains at a same position located between the two target scale units in the first virtual scale for a predetermined time period; and

in response to determining that the operation position of the second user operation remains at the same position located between the two target scale units in the first virtual scale for the predetermined time period, enlarge an interval width between the two scale units in the first virtual scale, and activate a second parameter adjustment mode corresponding to the lens and provide a second parameter adjustment interface, wherein the second parameter adjustment interface is configured to adjust the control parameter of the lens based on a second virtual scale, and the first virtual scale is different from the second virtual scale.

10 . The electronic device according to claim 9 , wherein the control parameter comprises a focal length parameter, and the focal length parameter is configured to control a focal length of the lens.

11 . The electronic device according to claim 9 , wherein the first parameter adjustment interface is configured to make a coarse adjustment of the control parameter, and the second parameter adjustment interface is configured to make a fine adjustment of the control parameter.

12 . The electronic device according to claim 9 , wherein a first interval width between the two scale units in the first virtual scale is smaller than a second interval width between the two scale units in the second virtual scale.

13 . The electronic device according to claim 9 , wherein the processor is further configured to:

present the first virtual scale on the image screen through the display in the first parameter adjustment mode; and

present the second virtual scale on the image screen through the display in the second parameter adjustment mode.

14 . The electronic device according to claim 13 , wherein the processor is further configured to:

in the first parameter adjustment mode, if a user operation instructing to adjust the control parameter is not received within a first time range, hide the first virtual scale; and

in the second parameter adjustment mode, if the user operation instructing to adjust the control parameter is not received within a second time range, hide the second virtual scale.

15 . The electronic device according to claim 9 , wherein the processor is further configured to:

receive a third user operation through the operation interface circuit in the second parameter adjustment mode; and

in response to the third user operation, restore a current parameter adjustment mode to the first parameter adjustment mode from the second parameter adjustment mode.

16 . The electronic device according to claim 9 , wherein the operation interface circuit comprises a touch screen of the display or a physical button of the electronic device.