WO2015096311A1 - 一种预览界面选定区域放大的方法和装置 - Google Patents

一种预览界面选定区域放大的方法和装置 Download PDF

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Publication number
WO2015096311A1
WO2015096311A1 PCT/CN2014/075690 CN2014075690W WO2015096311A1 WO 2015096311 A1 WO2015096311 A1 WO 2015096311A1 CN 2014075690 W CN2014075690 W CN 2014075690W WO 2015096311 A1 WO2015096311 A1 WO 2015096311A1
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WO
WIPO (PCT)
Prior art keywords
area
enlarged
touch
touch operation
user
Prior art date
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PCT/CN2014/075690
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English (en)
French (fr)
Inventor
潘明东
Original Assignee
中兴通讯股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 中兴通讯股份有限公司 filed Critical 中兴通讯股份有限公司
Priority to EP14874799.1A priority Critical patent/EP3070589B1/en
Priority to US15/104,990 priority patent/US20160320953A1/en
Publication of WO2015096311A1 publication Critical patent/WO2015096311A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/033Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
    • G06F3/0354Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
    • G06F3/03547Touch pads, in which fingers can move on a surface
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/04845Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0484Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
    • G06F3/0486Drag-and-drop
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/60Control of cameras or camera modules
    • H04N23/62Control of parameters via user interfaces
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/048Indexing scheme relating to G06F3/048
    • G06F2203/04806Zoom, i.e. interaction techniques or interactors for controlling the zooming operation

Definitions

  • the present invention relates to the field of terminal imaging, and in particular to a method and apparatus for zooming in on a selected area of a preview interface.
  • the present invention discloses a method and a device for zooming in a selected area of a preview interface, which does not require a separate zoom button, which makes the preview interface more tidy, and increases the expansion/reduction function of the selected area, so that the user can
  • the size of the selected area is adjusted according to the actual enlarged display content, so that the user can accurately select the content to be enlarged on the preview interface.
  • the method is applied to a touch screen terminal having a photographing or/and a photographing function, comprising: turning on a photographing or photographing function of the terminal, and displaying a preview interface on the touch screen, detecting a touch operation of the user on the preview interface; when detecting the user
  • the display content of the demarcated area is enlarged according to a preset ratio.
  • the method comprises: displaying the display content of the enlarged delineation area on the touch screen.
  • zooming in the display content of the demarcated area according to the preset ratio comprises: when detecting that the user is on the preview interface After the touch operation of the demarcated area, the center of the delineated area is in focus; after the center of the delineated area is focused and the content is clearly displayed, the display content is enlarged.
  • the method includes:
  • the method includes:
  • the method includes: after detecting a pressing operation and a lifting operation of the user on the touch screen, recording coordinates of the pressing operation and the lifting operation on the touch screen; determining whether the coordinate of the pressing operation is after the being enlarged On the boundary of the demarcated area;
  • the touch operation is on the boundary of the delineated area and the displacement trajectory is determined.
  • the detecting whether there is a touch operation in the enlarged designated area; if yes, determining the type of the touch operation comprises: After detecting the pressing operation and the lifting operation of the user on the touch screen, recording the coordinates of the pressing operation and the lifting operation on the touch screen; if the coordinates of the pressing operation are in the enlarged drawing Within the fixed area, the calculation is in advance
  • the kind of the touch operation is determined according to the number of times of the pressing operation.
  • the embodiment of the invention discloses a device for zooming in on a selected area of a preview interface, comprising: a touch operation detection module, configured to: after the camera or camera function of the terminal is turned on, and the preview interface is displayed on the touch screen, the user is detected a touch operation on the preview interface; the enlargement module is configured to: when the touch operation detection module detects a touch operation of the user in the demarcated area on the preview interface, enlarge the delineation area according to a preset ratio Display content.
  • the touch operation detecting module is further configured to: detect a pressing operation and a lifting operation of the user on the touch screen, and record coordinates of the pressing operation and the lifting operation on the touch screen;
  • the display module is configured to: display the enlarged display content of the amplification module on the touch screen.
  • the device further includes: an area enlargement/reduction module, the area enlargement/reduction module is configured to: when there is a touch operation on the boundary of the enlarged designated area, according to a touch operation Displacement trajectory, expanding or reducing the delineation area, or determining a type of the touch operation when the touched operation is performed in the delineated area, and expanding according to a preset coefficient according to the type of the touch operation or Reduce the defined area.
  • the positive progress of the embodiment of the present invention is as follows:
  • the embodiment of the present invention can enlarge the delineation area of the user on the touch screen, and does not need a separate enlargement icon; after zooming in, the user can directly change the edge of the display frame to change the need.
  • the size of the enlarged area or by clicking on the inside of the display frame to enlarge or reduce the area to be enlarged by a certain ratio, without having to select a suitable enlargement area, and delineate the area multiple times, which is convenient for the user's operation and improves the user.
  • Experience. 1 is a flow chart of a method for amplifying a selected area according to an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for amplifying a selected area according to Embodiment 2 of the present invention
  • FIG. 3 is a view of a third embodiment of the present invention.
  • FIG. 6 is a block diagram of a selected area amplifying apparatus according to Embodiment 6 of the present invention
  • FIG. 7 is a block diagram of a selected area amplifying apparatus according to Embodiment 7 of the present invention
  • FIG. 8 is a schematic diagram of an original preview interface according to Embodiment 1 of the present invention
  • FIG. 10 is a schematic diagram showing the display content of the delineation area in FIG. 9 in an embodiment of the present invention
  • FIG. 12 is a process of enlarging the display content of the delineation area in FIG. 10 according to the fourth embodiment of the present invention
  • FIG. 13 is a schematic diagram showing the display content of the delineated area in FIG. 10 according to the fourth embodiment of the present invention
  • FIG. 14 is a view showing the display content of the delineated area in FIG. 10 according to the fifth embodiment of the present invention
  • FIG. 15 is a schematic diagram showing a process of expanding a preset coefficient according to a preset factor
  • FIG. 15 is a schematic diagram showing a display content of a defined area in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
  • the camera or camera function of the terminal is turned on, and after the preview interface is displayed on the touch screen, the touch operation of the user on the preview interface is detected. In the specific operation, it is preferred to activate the camera or camera function of the terminal.
  • the preview interface is displayed on the touch screen of the terminal. As shown in FIG. 8 , the user can perform the operation of defining the area on the touch screen.
  • This embodiment discloses A method for zooming in on a selected area of a preview interface, that is, detecting a user's pressing operation and a lifting operation on the touch screen, recording coordinates of a pressing operation and a lifting operation on the touch screen, and taking the upper left of the touch screen as a coordinate zero point,
  • the coordinate lines of the two points are diagonal, and a rectangular area is formed, the length of the rectangular area is I XI - xo I , and the width is I Yi - ⁇ I , where (XI , Yi ) is the coordinate of the lifting operation, and (XO, Y0 ) is the coordinate of the pressing operation (in all embodiments, the upper left corner of the screen is the coordinate origin and the X axis or the Y axis Expand).
  • the coordinates of the pressing operation are taken as the radius of the coordinate line connecting the two points to form a circular area, and the radius of the circular shape Is r, , where ( ⁇ 2, ⁇ 2) is pressed
  • the coordinates, ( ⁇ 3, ⁇ 3) are the coordinates of the lift operation.
  • a scribing operation on the touch screen to form a rectangular or a circular area, as shown in FIG. 9, which is convenient to operate.
  • the graphic drawn in this way is not limited. Rectangles and circles can also be formed into other shapes. Also, other operations than the scribing operation may be used to determine the delineation area. 502. After detecting a touch operation of the user in the demarcated area on the preview interface, enlarge the display content of the demarcated area according to a preset ratio.
  • the determined content of the defined area is enlarged according to the coefficient set by the user in the setting option in advance, or according to the factory preset coefficient, for example: 2 times or 4 times.
  • the center point of the rectangle is the focus.
  • the abscissa of the center of the rectangular area in SO 1 is (XI -X0) /2
  • the ordinate is (Y1 - Y0) /2
  • focus is performed.
  • the magnification factor at this time is 2 (the following example, the magnification factor is 2), and the enlarged display area It is the area enclosed by (X, y), where X4 x X5, Y4 y Y5.
  • the distance from X4 to X5 is 2* ( XI — X0 ) and the distance from Y4 to Y5 is 2* ( Y1 — Y0 ).
  • FIG. 8 is the original preview interface, and there are A and B on the interface.
  • FIG. 9 is a schematic diagram showing the content of the area where A is enlarged.
  • Embodiment 2 This embodiment discloses a method for zooming in a selected area of a preview interface. As shown in FIG. 2, the method includes: S11. The camera or camera function of the terminal is turned on, and the preview interface is displayed on the touch screen. Measure the user's touch operation on the preview interface.
  • the display content of the demarcated area is enlarged according to a preset ratio and stored.
  • the main difference between this embodiment and the first embodiment is that, in this embodiment, the content of the designated area is enlarged, and then directly imaged and stored, that is, the area is enlarged and photographed, and then returned to the preview interface, waiting for other operations. .
  • Embodiment 3 discloses a method for zooming in on a selected area of a preview interface, which is implemented on the basis of the first embodiment described above, that is, the area defined in the first embodiment is reduced or enlarged, as shown in FIG. , including:
  • S101 Detect whether there is a touch operation on the boundary of the delineated area of the enlarged area.
  • the operation of the user on the boundary of the enlarged area is preferably: First, after detecting the pressing operation and the lifting operation of the user on the touch screen, recording the coordinates of the pressing operation and the lifting operation on the touch screen, determining whether the coordinates are located Zoom in on the boundary of the area. For example: Press the coordinates of the operation (X6, Y6) and the coordinates of the lifting operation (X7, Y7).
  • the delineated area is a rectangle, the content of the delineated area that is enlarged and focused will be displayed on the top layer.
  • the area shown is the area enclosed by (X, y), where X4 x X5, Y4 y Y5.
  • the large separation between X4 and X5 is 2* (XI-X0), and the large separation between Y4 and Y5 is 2* (Y1-Y0).
  • the size of the demarcated area is enlarged or reduced according to the displacement trajectory of the touch operation.
  • the zooming operation is performed, and the length of the demarcated area is reduced (X6-X7) /2, the width, the width Reduce the distance of (Y7-Y6) /2, but there is a premise of the reduction operation:
  • the abscissa X6 of the lifting operation must be larger than the abscissa X4 of the upper left corner of the enlarged display area, and the ordinate Y6 of the lifting operation must be smaller than The ordinate Y4 of the upper left corner of the enlarged display area. Therefore, if it is an expansion operation, the coordinates of the delineated region boundary will change to (xl, yl), where X( xl XI + I (X7 - X6)/2 I ,
  • Embodiment 4 discloses a method for zooming in on a selected area of a preview interface, which is implemented on the basis of the first embodiment described above, and belongs to the special case of the third embodiment. The effect is the same as that of the third embodiment, but the implementation manner is different. This method is only applicable to the case where the delineated area is a rectangle, as shown in FIG. 4, including:
  • the operation of the user on the vertices of the enlarged area is preferably: First, after detecting the pressing operation and the lifting operation of the user on the touch screen, recording the coordinates of the pressing operation and the lifting operation on the touch screen, determining whether the coordinates are The vertices of the enlarged area. For example: Press the coordinate of the operation (X6, Y6) and the coordinates of the lifting operation (X7, Y7).
  • the delineated area is a rectangle, the content of the delineated area that is enlarged and focused will be displayed on the top layer.
  • the area shown is the area enclosed by (X, y), where X4 x X5, Y4 y Y5.
  • the vertices of the enlarged area are (X4, Y4), (X4, Y5), (X5, Y4), (X5, Y5).
  • the size of the demarcated area is expanded or reduced according to a displacement trajectory of the touch operation.
  • the horizontal coordinate of the lifting operation is larger than the horizontal coordinate of the pressing operation or the vertical coordinate of the lifting operation is smaller than the pressing operation
  • the ordinate is the expansion operation.
  • the reduction operation is performed, but the reduction operation has a premise: lifting
  • the abscissa X6 of the operation must be larger than the abscissa X4 of the upper left corner of the enlarged display area, and the ordinate Y6 of the lifting operation must be smaller than the ordinate Y4 of the upper left corner of the enlarged display area.
  • the boundary of the delineated area is simultaneously enlarged. If it is an expansion operation, the coordinates of the delineated area boundary will change to (x2, y2), where
  • Embodiment 5 This embodiment discloses a method for zooming in on a selected area of a preview interface.
  • the operation mode is The main difference between this embodiment and the third embodiment is that the moving operation of the enlarged boundary or vertex of the delineated area is changed to the enlarged Describe the touch operation in the area, as shown in Figure 5, including:
  • S301 Detect whether there is a touch operation in the enlarged designated area.
  • the user preferably performs the following steps on the touch operation in the enlarged designated area: after detecting the user's pressing operation and lifting operation on the touch screen, recording the pressing operation and the lifting operation are The coordinates on the touch screen, determining whether the coordinates of the pressing operation and the lifting operation are located Within the defined area after being enlarged. For example: Detecting the user's pressing operation and lifting operation on the touch screen, recording the pressing operation coordinates (X8, Y8) and lifting operation coordinates (X9, Y9). In S01, if the delineated area is rectangular, it is enlarged.
  • the content of the delineated area of the focus will be displayed on the uppermost layer, and the displayed area is the area enclosed by (X, y), where X4 x X5 , Y4 ⁇ y ⁇ Y5 , and the pressed operation coordinates (X8, Y8) are judged. And raise the operation coordinates (X9, Y9) in the area enclosed by (x, y), as shown in Figure 14.
  • the kind of the touch operation is determined according to the number of times of the pressing operation. If the number of pressed operation times is 2, it is determined that the touch operation is an expansion operation; if the number of pressed operation operations is 3, it is determined that the current touch operation is a reduction operation. Further, according to the kind of the touch operation, the delineation area is enlarged or reduced according to a preset ratio. Wherein, according to the expansion operation or the reduction operation determined in the previous step, the size of the designated area is adjusted according to a preset expansion or reduction factor (such as an expansion or reduction factor of 3 or 6).
  • a preset expansion or reduction factor such as an expansion or reduction factor of 3 or 6
  • EMBODIMENT EMBODIMENT Embodiment 6 This embodiment discloses a device for zooming in on a selected area of a preview interface.
  • the method includes: a touch operation detecting module, configured to open a photographing or photographing function of the terminal, and After the preview interface is displayed on the touch screen, the user's touch operation on the preview interface is detected.
  • An amplifying module configured to: when the touch operation detecting module detects that the user is on the preview interface After the touch operation of the demarcated area, the display content of the demarcated area is enlarged according to a preset ratio.
  • a display module configured to display the enlarged display content of the amplification module on the touch screen.
  • Embodiment 7 This embodiment discloses a device for zooming in a selected area of a preview interface. As shown in FIG. 7, the method includes: a touch operation detecting module, configured to enable a photographing or photographing function of the terminal, and display on a touch screen After previewing the interface, the user's touch operation on the preview interface is detected. And an amplifying module, configured to: after the touch operation detecting module detects a touch operation of the user in the demarcated area on the preview interface, enlarge the display content of the demarcated area according to a preset ratio. And a display module, configured to display the enlarged display content of the amplification module on the touch screen.
  • a touch operation detecting module configured to enable a photographing or photographing function of the terminal, and display on a touch screen After previewing the interface, the user's touch operation on the preview interface is detected.
  • an amplifying module configured to: after the touch operation detecting module detects a touch operation of the user in the demarcated area on the preview interface,
  • the defined area is enlarged or reduced according to the displacement trajectory of the touch operation.
  • the method may further include: the original interface recovery module is configured to: when there is a touch operation outside the delineated area, the display content of the enlarged demarcated area is turned off, and the touch screen is The preview interface is restored to the original interface.
  • the operation of the user on the boundary of the enlarged area is preferably: after detecting the pressing operation and the lifting operation of the user on the touch screen, recording the coordinates of the pressing operation and the lifting operation on the touch screen, determining whether the coordinates are located or not On the border of the area. For example: In S101, press the coordinates of the operation (X6, Y6) and the coordinates of the lifting operation (X7, Y7).
  • the user's operation on the vertices of the enlarged region is preferably: After detecting the pressing operation and the lifting operation of the user on the touch screen, the coordinates of the pressing operation and the lifting operation on the touch screen are recorded, and it is determined whether the coordinates are the vertices of the enlarged area. For example:
  • the coordinates of the operation (X6, Y6) and the coordinates of the lifting operation (X7, Y7) are pressed.
  • the delineated area is a rectangle, the content of the delineated area that is enlarged and focused will be displayed on the uppermost layer.
  • the area shown is the area enclosed by (X, y), where X4 x X5, Y4 y Y5.
  • the vertices of the enlarged area are (X4, Y4), (X4, Y5), (X5, Y4), (X5, Y5).
  • J3 ⁇ 4 needs to judge whether (X6, Y6) coincides with any point of (X4, Y4), (X4, Y5), (X5, Y4) and (X5, Y5). If it meets the requirements, it is determined that it is There is a touch operation on the enlarged vertex of the delineated area.
  • all or part of the steps of the foregoing embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the invention is not limited to any particular combination of hardware and software.
  • the various devices/function modules/functional units in the above embodiments may be implemented using a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • Each device/function module/functional unit in the above embodiments can be stored in a computer readable storage medium when implemented in the form of a software function module and sold or used as a standalone product.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the embodiment of the invention can enlarge the delineation area of the user on the touch screen, and does not need a separate enlargement icon; after zooming in, the user can directly change the size of the area to be enlarged by dragging the edge of the display frame, or by clicking the display frame.
  • the inside enlarges or reduces the area to be enlarged according to a certain ratio, and does not need to select a plurality of areas due to failure to select a suitable enlargement area, which is convenient for the user's operation and improves the user experience.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • User Interface Of Digital Computer (AREA)
  • Position Input By Displaying (AREA)

Abstract

一种预览界面选定区域放大的方法,应用于具有拍照或/和摄像功能的触摸屏终端,包括:所述终端的拍照或摄像功能开启,并在触摸屏上显示预览界面后,检测用户在所述预览界面上的触摸操作;当检测到用户在所述预览界面上的划定区域的触摸操作后,根据预设比例放大所述划定区域的显示内容,拖动所述显示框的边缘,可扩大或缩小所选择的划定区域。本发明实施例还公开了一种预览界面选定区域放大的装置,与上述方法相对应。本发明实施例不需要单独的放大图标;放大后,用户可以直接通过拖动显示框边缘随意改变所需要放大的区域大小,或通过点击显示框内部按一定比例扩大或缩小所需要放大的区域,而不需要由于未能选择到合适的放大区域,而多次划定区域,方便用户的操作,提高用户体验。

Description

一种预览界面选定区域放大的方法和装置
技术领域
本发明涉及终端摄像领域, 具体地, 涉及一种预览界面选定区域放大的 方法和装置。
背景技术
目前手机基本都具有拍照和摄像功能, 拍照和摄像功能是人们经常使用 的功能之一, 在拍照和摄像时, 手机屏幕上会呈现预览界面, 目前使用的手 机菜单中有一个对预览内容进行放大的功能, 拍照预览时, 可以拖动该放大 功能的按钮对预览内容进行放大, 此外, 还有一种在预览界面选择矩形框进 行放大显示的功能。 但是以上这些方式或多或少存在一定的缺陷, 比如: 功 能键对预览内容会有一定遮挡; 只能对预览区域的中心进行放大; 若选择了 矩形区域后, 其放大的内容就已经固定, 需要放大的区域大小不能更改, 如 果所选矩形区域大小不合适, 则需要重新选择, 操作不便。
发明内容 为了解决上述技术问题, 本发明公开了一种预览界面选定区域放大的方 法和装置, 不需要单独的放大按钮, 使预览界面更加整洁, 增加所选区域扩 大 /缩小功能, 使用户能够根据实际放大后的显示内容调整所选区域的大小, 方便用户在预览界面上精确选取需要放大的内容, 具体的技术方案为: 本发明实施例公开了一种预览界面选定区域放大的方法, 应用于具有拍 照或 /和摄像功能的触摸屏终端, 包括: 所述终端的拍照或摄像功能开启, 并在触摸屏上显示预览界面后, 检测 用户在所述预览界面上的触摸操作; 当检测到用户在所述预览界面上的划定区域的触摸操作后, 根据预设比 例放大所述划定区域的显示内容。 较佳地,在所述根据预设比例放大所述划定区域的显示内容之后, 包括: 在所述触摸屏上显示被放大后的所述划定区域的显示内容。 较佳地,所述当检测到用户在所述预览界面上的划定区域的触摸操作后, 根据预设比例放大所述划定区域的显示内容包括: 当检测到用户在所述预览界面上的划定区域的触摸操作后, 对所述划定 区域的中心对焦; 所述对划定区域的中心对焦并得到清晰显示内容后,放大所述显示内容。 较佳地, 在所述触摸屏上显示被放大后的所述划定区域的显示内容后, 包括:
检测在所述被放大后的所述划定区域边界上是否有触摸操作; 若有, 则根据触摸操作的位移轨迹, 扩大或缩小所述划定区域。 较佳地, 在所述触摸屏上显示被放大后的所述划定区域的显示内容后, 包括:
检测在所述被放大后的所述划定区域内是否有触摸操作; 若有, 则确定触摸操作的种类; 根据所述触摸操作的种类, 按照预设系数扩大或缩小所述划定区域。
作包括: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标; 判断所述按下操作的坐标是否在所述被放大后的所述划定区域边界上;
所述触摸操作在所述划定区域边界上, 并确定所述位移轨迹。 较佳地, 所述检测在所述被放大后的所述划定区域内是否有触摸操作; 若有, 则确定触摸操作的种类包括: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标; 若所述按下操作的坐标在所述被放大后的所述划定区域内, 则计算在预
根据所述按下操作的次数, 确定触摸操作的种类。 本发明实施例公开了一种预览界面选定区域放大的装置, 包括: 触摸操作检测模块, 设置为: 在所述终端的拍照或摄像功能开启, 并在 触摸屏上显示预览界面后, 检测用户在所述预览界面上的触摸操作; 放大模块, 设置为: 当所述触摸操作检测模块检测到用户在所述预览界 面上的划定区域的触摸操作后,根据预设比例放大所述划定区域的显示内容。 较佳地, 所述触摸操作检测模块, 还设置为: 检测用户在触摸屏上的按 下操作和抬起操作, 并记录所述按下操作和抬起操作在触摸屏上的坐标; 所述装置还包括显示模块, 设置为: 将所述放大模块放大后的显示内容 在所述触摸屏上显示。 较佳地, 所述装置还包括: 区域扩大 /缩小模块, 所述区域扩大 /缩小模 块, 设置为: 当所述被放大后的所述划定区域边界上有触摸操作时, 根据触 摸操作的位移轨迹, 扩大或缩小所述划定区域, 或 当所述被放大后的所述划定区域内有触摸操作时,确定触摸操作的种类, 根据所述触摸操作的种类按照预设系数扩大或缩小所述划定区域。 本发明实施例的积极进步效果在于: 本发明实施例可对用户在触摸屏上 的划定区域进行放大, 不需要单独的放大图标; 放大后, 用户可以直接通过 拖动显示框边缘随意改变所需要放大的区域大小, 或通过点击显示框内部按 一定比例扩大或缩小所需要放大的区域, 而不需要由于未能选择到合适的放 大区域, 而多次划定区域, 方便用户的操作, 提高用户体验。 附图概述 图 1为根据本发明实施例一中选定区域放大方法流程图; 图 2为根据本发明实施例二中选定区域放大方法流程图; 图 3为根据本发明实施例三中被放大的选定区域的扩大或缩小的方法流 程图;
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图 6为根据本发明实施例六中选定区域放大装置框图; 图 7为根据本发明实施例七中选定区域放大装置框图; 图 8为本发明实施例一中原始预览界面示意图; 图 9为本发明实施例一中在图 8中的预览界面上划定区域的示意图; 图 10为本发明实施例一中在图 9中的对划定区域的显示内容进行放大并 显示的示意图; 图 11为本发明实施例三中对图 10中的对划定区域的显示内容进行扩大 的示意图; 图 12为本发明实施例四中对图 10中的对划定区域的显示内容进行扩大 的过程示意图;
图 13为本发明实施例四中对图 10中的对划定区域的显示内容进行扩大 后显示的示意图; 图 14为本发明实施例五中对图 10中的对划定区域的显示内容按预设系 数进行扩大的过程示意图; 图 15为本发明实施例五中对图 10中的对划定区域的显示内容按预设系 数进行扩大后显示的示意图。 本发明的较佳实施方式 下文中将结合附图对本发明的实施例进行详细说明。 需要说明的是, 在 不冲突的情况下, 本申请中的实施例及实施例中的特征可以相互任意组合。 方法实施例 实施例一 本发明的一个实施例中, 公开了一种预览界面选定区域放大的方法, 如 图 1所示, 包括:
S01、 终端的拍照或摄像功能开启, 并在触摸屏上显示预览界面后, 检 测用户在预览界面上的触摸操作。 在具体操作时, 首选要启动终端的拍照或者摄像功能, 启动后, 终端的 触摸屏上会显示预览界面, 如图 8所示, 用户可在触摸屏上进行划定区域的 操作, 本实施例公开了一种预览界面选定区域放大的方法, 即, 检测用户在 触摸屏上的按下操作和抬起操作, 记录按下操作和抬起操作在触摸屏上的坐 标, 以触摸屏的左上方为坐标零点, 当且所述按下操作和抬起操作在触摸屏 上的坐标不同时, 以这两点的坐标连线为对角线, 形成矩形区域, 该矩形区 域的长度为 I XI - xo I , 宽度为 I Yi - γο I , 其中 (XI , Yi )为抬起 操作的坐标, (XO, Y0 )为按下操作的坐标(所有实施例中均以屏幕左上角 为坐标原点并向 X轴或 Y轴扩大 ) 。 此外, 还可以当所述按下操作和抬起操作在触摸屏上的坐标不同时, 以 按下操作的坐标作为 以这两点的坐标连线为半径, 形成圓形区域, 该 圓形的半径为 r, , 其中 (Χ2, Υ2 ) 为按下操作的
Figure imgf000007_0001
坐标, (Χ3 , Υ3 )为抬起操作的坐标。 当用户需要划定区域时, 只需要在触摸屏上进行划线操作即可形成一个 矩形或一个圓形的区域, 如图 9所示, 方便操作, 当然通过这种方式画出的 图形, 不仅限于矩形和圓形, 也可以形成其他形状。 同样, 也可以使用除了 划线操作之外的其他操作来确定划定区域。 502、 当检测到用户在预览界面上的划定区域的触摸操作后, 根据预设 的比例放大划定区域的显示内容。 根据用户预先在设置选项中设置的系数,或者根据出厂预设系数, 比如: 2倍或者 4倍, 将所确定的划定区域内容放大。 如果所划定的区域为矩形, 则以矩形的中心点为焦点, 例如, 在 SO 1中的矩形区域中心的横坐标为(XI -X0) /2, 纵坐标为 (Y1 - Y0) /2, 进行对焦。 如果所划定的区域为圓形, 则以圓形的圓心为焦点, 例如, 在 S01中的圓心的坐标为(XI, Y1 ) , 进行 对焦。
503、 将放大后的显示内容在触摸屏预览界面上显示。 将已放大并对焦的划定区域内容在预览界面的最上层显示, 如图 10 所 示, 例如: 此时的放大系数为 2 (以下实施例, 放大系数均为 2) , 放大后的 显示区域就是(X, y) 所围成的区域, 其中 X4 x X5, Y4 y Y5。 X4 到 X5的距离为 2* ( XI— X0 ) , Y4到 Y5的距离为 2* ( Y1— Y0 ) 。 当划定区域被放大并显示在预览界面最上层后, 如果用户想回到预览的 初始界面, 可以触摸放大显示的划定区域外的区域。 即终端检测到用户在触 摸屏上的再一次按下操作和抬起操作后, 判断抬起操作和按下操作的坐标是 否在放大显示的划定区域外, 若是, 则将触摸屏上的预览界面恢复至原始界 面。 当然, 也可以设置其他触发恢复原始界面的方法。 下面再以图 8、 图 9和图 10进一步举例说明, 图 8为原始预览界面, 界 面上有 A和 B, 此时, 用户若想放大屏幕左上角的 A, 可以划定 A所在的区 域(如图 9所示), 根据用户的预先设置或者出厂设置, 假设放大系数为 2, 即将 A所在的区域的显示内容放大 2倍, 图 10为 A所在的区域的内容放大 后显示的示意图。
实施例二 本实施例公开了一种预览界面选定区域放大的方法,如图 2所示, 包括: Sll、 终端的拍照或摄像功能开启, 并在触摸屏上显示预览界面后, 检 测用户在预览界面上的触摸操作。
S12、 当检测到用户在预览界面上的划定区域的触摸操作后, 根据预设 比例放大划定区域的显示内容并存储。 本实施例与实施例一的主要区别在于, 本实施例将所划定区域的内容放 大后, 直接成像并存储, 即: 对用户划定区域放大并拍照, 再返回预览界面, 等待进行其他操作。
实施例三 本实施例公开了一种预览界面选定区域放大的方法, 在上述的实施例一 的基础上实施, 即对实施例一中的划定区域进行缩小或扩大, 如图 3所示, 包括:
S 101、 检测在所述被放大后的所述划定区域边界上是否有触摸操作。 用户对放大后区域边界上的操作优选为: 首先, 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下 操作和抬起操作在触摸屏上的坐标,判断坐标是否位于放大后区域的边界上。 例如: 按下操作的坐标(X6, Y6)和抬起操作的坐标(X7, Y7) , 在 S01 中, 若划定区域为矩形, 被放大并对焦的划定区域内容将在最上层显示, 显 示的区域为 (X, y)所围成的区域, 其中 X4 x X5, Y4 y Y5。 X4 与 X5之间的 巨离为 2* ( XI— X0 ) , Y4与 Y5之间的 巨离为 2* ( Y1— Y0 ) 。 此时需要判断(X6, Y6)是否在(X, y)上且与 (X4, Y4 ) 、 (X4, Y5) 、 (X5, Y4)和(X5, Y5) 不重合, 若符合要求, 则确定在所述被放大后的 所述划定区域边界上有触摸操作。
据触摸操作的位移轨迹, 扩大或缩小所述划定区域大小。
实际操作时, 如图 11所示, 根据记录的按下操作 (X6, Y6)和抬起操 作(X7, Y7) , 当抬起操作的横坐标大于按下操作的横坐标或抬起操作的纵 坐标小于按下操作的纵坐标时为扩大操作, 此时划定区域的长度扩大 (X7 - X6)/2的距离, 宽度扩大( Y6 - Y7 ) /2的距离。 当抬起操作的横坐标小于按 下操作的横坐标且抬起操作的纵坐标大于按下操作的纵坐标时为缩小操作, 划定区域的长度缩小(X6- X7) /2的距离, 宽度缩小(Y7- Y6) /2的距离, 但缩小操作还有一个前提: 抬起操作的横坐标 X6必须大于放大后的显示区 域左上角的横坐标 X4,且抬起操作的纵坐标 Y6必须小于放大后的显示区域 左上角的纵坐标 Y4。 所以, 如果是扩大操作, 划定区域边界的坐标将变化为 ( xl , yl ) , 其中 X( xl XI + I (X7 - X6)/2 I ,
Y0<yl<Yl+ I (Y7 - Y6)/2 I; 如果是缩小操作, 划定区域边界的坐标将变 化为 ( xl , yl ) , 其中 Χ0 xl XI— I (X7 - X6)/2 I , Y0<yl<Yl - I (Y7 - Y6)/2 I , 最终再以此时的划定区域大小, 按照预设的 放大系数, 放大所划定的区域并显示。
实施例四 本实施例公开了一种预览界面选定区域放大的方法, 在上述的实施例一 的基础上实施, 属于实施例三的特殊情况, 效果与实施例三相同, 但实现方 式不同, 本方法仅适用于划定区域为矩形的情况, 如图 4所示, 包括:
S201、 检测在所述被放大后的所述划定区域顶点上是否有触摸操作。 用户对放大后区域顶点上的操作优选为: 首先, 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下 操作和抬起操作在触摸屏上的坐标, 判断坐标是否为放大后区域的顶点。 例 如: 按下操作的坐标(X6, Y6)和抬起操作的坐标(X7, Y7) , 在 S01中, 若划定区域为矩形, 被放大并对焦的划定区域内容将在最上层显示, 显示的 区域为 (X, y)所围成的区域, 其中 X4 x X5, Y4 y Y5。 放大后区域 的顶点为 (X4, Y4) 、 (X4, Y5) 、 (X5, Y4 ) 、 (X5, Y5) 。 此时需 要判断 (X6, Y6)是否与 (X4, Y4) 、 (X4, Y5) 、 (X5, Y4 )和 (X5, Y5)中的任意一点重合, 若符合要求, 则确定在所述被放大后的所述划定区 域顶点上有触摸操作, 如图 12所示。 S202、 检测在所述被放大后的所述划定区域顶点上有触摸操作后, 则根 据触摸操作的位移轨迹, 扩大或缩小所述划定区域大小。 实际操作时, 根据记录的按下操作(X6, Y6 )和抬起操作 ( X7, Y7 ) , 当抬起操作的横坐标大于按下操作的横坐标或抬起操作的纵坐标小于按下操 作的纵坐标时为扩大操作, 当抬起操作的横坐标小于按下操作的横坐标且抬 起操作的纵坐标大于按下操作的纵坐标时为缩小操作, 但缩小操作还有一个 前提:抬起操作的横坐标 X6必须大于放大后的显示区域左上角的横坐标 X4, 且抬起操作的纵坐标 Y6必须小于放大后的显示区域左上角的纵坐标 Y4。 此 时所述划定区域的边界同时放大, 如果是扩大操作, 划定区域边界的坐标将 变化为 (x2, y2 ) , 其中
Χ0 - I (Χ7 - X6)/2 I < x2 < X1+ I (X7 - X6)/2 I ,
Y0 - I (Y7 - Y6)/2 I < y2 < Yl+ I (Y7 - Y6)/2 I; 口果是缩小操作, 划定区 域边界的坐标将变化为 (x2, y2 ) , 其中
Χ0+ I (X7 - X6)/2 I < x2 < XI - I (X7 - X6)/2 I ,
Y0+ I (Y7 - Y6)/2 I < y2 < Yl - I (Y7 - Y6)/2 I , 最终再以此时的划定区域 大小, 按照预设的放大系数, 放大所划定的区域并显示。 如图 13所示。
实施例五 本实施例公开了一种预览界面选定区域放大的方法, 在上述的实施例三 和实施例四的基础上, 提供一种与实施例三和实施例四效果相同, 但操作方 式不同的方法, 本实施例与实施例三的主要区别在于, 本实施例将对所述被 放大后的所述划定区域边界或顶点的移动操作, 改变为对所述被放大后的所 述划定区域内的触摸操作, 如图 5所示, 包括:
S301、 检测在所述被放大后的所述划定区域内是否有触摸操作。 用户对对所述被放大后的所述划定区域内的触摸操作优选为以下步骤: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标, 判断所述按下操作和抬起操作的坐标是否位于 被放大后的所述划定区域内。 例如: 检测用户在触摸屏上的按下操作和抬起 操作, 记录按下操作坐标(X8, Y8 )和抬起操作坐标 (X9, Y9), 在 S01中, 若划定区域为矩形, 被放大并对焦的划定区域内容将在最上层显示, 显示的 区域为 (X, y )所围成的区域, 其中 X4 x X5 , Y4 < y < Y5 , 判断所述按 下操作坐标(X8 , Y8 )和抬起操作坐标 (X9 , Y9)是否在 (x , y ) 所围成的 区域内, 如图 14所示。
5302、 若在所述被放大后的所述划定区域内有触摸操作, 则确定触摸操 作的种类; 实际操作时,若所述按下操作的坐标在所述被放大后的所述划定区域内, 累计在预设时间内 (比如 2秒内)在所述被放大后的所述划定区域内的按下 操作的次数。
5303、 根据所述触摸操作的种类, 按照预设系数扩大或缩小所述划定区 域。 根据所述按下操作的次数, 确定触摸操作的种类。 若记录的按下操作次 数为 2时,则确定本次触摸操作为扩大操作; 若记录的按下操作次数为 3时, 则确定本次触摸操作为缩小操作。 再根据所述触摸操作的种类, 按照预设比 例放大或缩小所述划定区域。 其中, 根据前一步中所确定的扩大操作或缩小 操作, 根据预设的扩大或缩小系数 (比如扩大或缩小系数为 3或 6 ) , 调整 所述划定区域大小。 实际操作效果图, 如图 15所示。
装置实施例 实施例六 本实施例公开了一种预览界面选定区域放大的装置,如图 6所示, 包括: 触摸操作检测模块, 用于在所述终端的拍照或摄像功能开启, 并在触摸 屏上显示预览界面后, 检测用户在所述预览界面上的触摸操作。 放大模块, 用于当所述触摸操作检测模块检测到用户在所述预览界面上 的划定区域的触摸操作后, 根据预设比例放大所述划定区域的显示内容。 显示模块,用于将所述放大模块放大后的显示内容在所述触摸屏上显示。
实施例七 本实施例公开了一种预览界面选定区域放大的装置,如图 7所示, 包括: 触摸操作检测模块, 用于在所述终端的拍照或摄像功能开启, 并在触摸 屏上显示预览界面后, 检测用户在所述预览界面上的触摸操作。 放大模块, 用于当所述触摸操作检测模块检测到用户在所述预览界面上 的划定区域的触摸操作后, 根据预设比例放大所述划定区域的显示内容。 显示模块,用于将所述放大模块放大后的显示内容在所述触摸屏上显示。
操作时, 根据触摸操作的位移轨迹, 扩大或缩小所述划定区域。 进一步还可以包括: 原始界面恢复模块用于当所述被放大后的所述划定 区域外有触摸操作时, 关闭所述被放大的所述划定区域的显示内容, 将所述 触摸屏上的预览界面恢复至原始界面。 用户对放大后区域边界上的操作优选为: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标, 判断坐标是否位于划定区域边界上。 例如: 在 S101中, 按下操作的坐标(X6, Y6)和抬起操作的坐标(X7, Y7) , 在 S01 中, 若划定区域为矩形, 被放大并对焦的划定区域内容将在最上层显示, 显 示的区域为 (X, y)所围成的区域, 其中 X4 x X5, Y4 y Y5。 X4 与 X5之间的 巨离为 2* ( XI— X0 ) , Y4与 Y5之间的 巨离为 2* ( Y1— Y0 ) 。 此时需要判断(X6, Y6)是否在(X, y)上且与 (X4, Y4 ) 、 (X4, Y5) 、 (X5, Y4)和(X5, Y5) 不重合, 若符合要求, 则确定在所述被放大后的 所述划定区域边界上有触摸操作。 用户对放大后区域顶点上的操作优选为: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标, 判断坐标是否为放大后区域的顶点。 例如: 在
S101中, 按下操作的坐标(X6, Y6 )和抬起操作的坐标(X7, Y7 ) , 在 S01 中, 若划定区域为矩形, 被放大并对焦的划定区域内容将在最上层显示, 显 示的区域为 (X, y )所围成的区域, 其中 X4 x X5, Y4 y Y5。 放大后 区域的顶点为 (X4, Y4 ) 、 (X4, Y5 ) 、 ( X5 , Y4 ) 、 (X5, Y5 ) 。 J¾ 时需要判断 (X6, Y6 )是否与 (X4, Y4 ) 、 (X4, Y5 ) 、 ( X5 , Y4 )和 ( X5, Y5 )中的任意一点重合, 若符合要求, 则确定在所述被放大后的所述 划定区域顶点上有触摸操作。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计 算机程序流程来实现,所述计算机程序可以存储于一计算机可读存储介质中, 所述计算机程序在相应的硬件平台上(如系统、 设备、 装置、 器件等)执行, 在执行时, 包括方法实施例的步骤之一或其组合。
可选地, 上述实施例的全部或部分步骤也可以使用集成电路来实现, 这 些步骤可以被分别制作成一个个集成电路模块, 或者将它们中的多个模块或 步骤制作成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬 件和软件结合。
上述实施例中的各装置 /功能模块 /功能单元可以釆用通用的计算装置来 实现, 它们可以集中在单个的计算装置上, 也可以分布在多个计算装置所组 成的网络上。
上述实施例中的各装置 /功能模块 /功能单元以软件功能模块的形式实现 并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。 上述提到的计算机可读取存储介质可以是只读存储器, 磁盘或光盘等。
任何熟悉本技术领域的技术人员在本发明揭露的技术范围内, 可轻易想 到变化或替换, 都应涵盖在本发明的保护范围之内。 因此, 本发明的保护范 围应以权利要求所述的保护范围为准。 工业实用性
本发明实施例可对用户在触摸屏上的划定区域进行放大, 不需要单独的 放大图标; 放大后, 用户可以直接通过拖动显示框边缘随意改变所需要放大 的区域大小, 或通过点击显示框内部按一定比例扩大或缩小所需要放大的区 域, 而不需要由于未能选择到合适的放大区域, 而多次划定区域, 方便用户 的操作, 提高用户体验。

Claims

权 利 要 求 书
1、 一种预览界面选定区域放大的方法, 应用于具有拍照或 /和摄像功能 的触摸屏终端, 包括: 所述终端的拍照或摄像功能开启, 并在触摸屏上显示预览界面后, 检测 用户在所述预览界面上的触摸操作; 当检测到用户在所述预览界面上的划定区域的触摸操作后, 根据预设比 例放大所述划定区域的显示内容。
2、如权利要求 1所述的方法, 其中, 在所述根据预设比例放大所述划定 区域的显示内容之后, 包括: 在所述触摸屏上显示被放大后的所述划定区域 的显示内容。
3、 如权利要求 1或 2所述的方法, 其中, 所述当检测到用户在所述预览界面上的划定区域的触摸操作后, 根据预 设比例放大所述划定区域的显示内容包括: 当检测到用户在所述预览界面上的划定区域的触摸操作后, 对所述划定 区域的中心对焦; 所述对划定区域的中心对焦并得到清晰显示内容后,放大所述显示内容。
4、如权利要求 2所述的方法, 其中, 在所述触摸屏上显示被放大后的所 述划定区域的显示内容后, 包括: 检测在所述被放大后的所述划定区域边界上是否有触摸操作; 若有, 则根据触摸操作的位移轨迹, 扩大或缩小所述划定区域。
5、如权利要求 2所述的方法, 其中, 在所述触摸屏上显示被放大后的所 述划定区域的显示内容后, 包括:
检测在所述被放大后的所述划定区域内是否有触摸操作; 若有, 则确定触摸操作的种类; 根据所述触摸操作的种类, 按照预设系数扩大或缩小所述划定区域。
6、如权利要求 4所述的方法, 其中, 所述检测在所述被放大后的所述划 定区域边界上是否有触摸操作包括: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标; 判断所述按下操作的坐标是否在所述被放大后的所述划定区域边界上;
所述触摸操作在所述划定区域边界上, 并确定所述位移轨迹。
7、如权利要求 5所述的方法, 其中, 所述检测在所述被放大后的所述划 定区域内是否有触摸操作; 若有, 则确定触摸操作的种类包括: 检测到用户在触摸屏上的按下操作和抬起操作后, 记录所述按下操作和 抬起操作在触摸屏上的坐标; 若所述按下操作的坐标在所述被放大后的所述划定区域内, 则计算在预
根据所述按下操作的次数, 确定触摸操作的种类。
8、 一种预览界面选定区域放大的装置, 包括: 触摸操作检测模块, 设置为: 在所述终端的拍照或摄像功能开启, 并在 触摸屏上显示预览界面后, 检测用户在所述预览界面上的触摸操作; 放大模块, 设置为: 当所述触摸操作检测模块检测到用户在所述预览界 面上的划定区域的触摸操作后,根据预设比例放大所述划定区域的显示内容。
9、 如权利要求 8所述的装置, 其中, 所述触摸操作检测模块, 还设置为: 检测用户在触摸屏上的按下操作和 抬起操作, 并记录所述按下操作和抬起操作在触摸屏上的坐标; 所述装置还包括显示模块, 设置为: 将所述放大模块放大后的显示内容 在所述触摸屏上显示。
10、 如权利要求 8所述的装置, 其中, 所述装置还包括: 区域扩大 /缩小 模块, 所述区域扩大 /缩小模块, 设置为: 当所述被放大后的所述划定区域边 界上有触摸操作时, 根据触摸操作的位移轨迹, 扩大或缩小所述划定区域, 或
当所述被放大后的所述划定区域内有触摸操作时,确定触摸操作的种类, 根据所述触摸操作的种类按照预设系数扩大或缩小所述划定区域。
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