WO2017211072A1 - 幻灯片播放控制方法和装置 - Google Patents

幻灯片播放控制方法和装置 Download PDF

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Publication number
WO2017211072A1
WO2017211072A1 PCT/CN2016/113223 CN2016113223W WO2017211072A1 WO 2017211072 A1 WO2017211072 A1 WO 2017211072A1 CN 2016113223 W CN2016113223 W CN 2016113223W WO 2017211072 A1 WO2017211072 A1 WO 2017211072A1
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WIPO (PCT)
Prior art keywords
slide
interface
instruction
mode
page
Prior art date
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PCT/CN2016/113223
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English (en)
French (fr)
Inventor
王东杰
Original Assignee
广州视睿电子科技有限公司
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.)
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Application filed by 广州视睿电子科技有限公司 filed Critical 广州视睿电子科技有限公司
Priority to EP16904520.0A priority Critical patent/EP3470994A4/en
Priority to US16/209,314 priority patent/US20190179847A1/en
Publication of WO2017211072A1 publication Critical patent/WO2017211072A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/40—Information retrieval; Database structures therefor; File system structures therefor of multimedia data, e.g. slideshows comprising image and additional audio data
    • G06F16/43—Querying
    • G06F16/438—Presentation of query results
    • G06F16/4387—Presentation of query results by the use of playlists
    • G06F16/4393—Multimedia presentations, e.g. slide shows, multimedia albums
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/50—Information retrieval; Database structures therefor; File system structures therefor of still image data
    • G06F16/54—Browsing; Visualisation therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
    • G06F3/0483—Interaction with page-structured environments, e.g. book metaphor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F40/00—Handling natural language data
    • G06F40/10—Text processing
    • G06F40/166—Editing, e.g. inserting or deleting
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input 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
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction 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
    • G06F3/0488—Interaction 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

Definitions

  • the present invention relates to the field of multimedia display technologies, and in particular, to a slide show playback control method and apparatus.
  • slide files are widely used in academic reports, essay defenses, business meetings, etc. The use of slide files can help the speaker to express his thoughts or opinions clearly and vividly.
  • a slideshow control method includes the following steps:
  • a slide show control device comprising:
  • An interface display module configured to display a control interface on the slide play interface, where the thumbnail corresponding to the slide page is displayed in the control interface;
  • An instruction acquisition module configured to receive a switching instruction that acts on the thumbnail
  • a page switching module configured to: in response to the switching instruction, acquire a slide page corresponding to the thumbnail of the switching instruction, and switch the currently displayed slide page on the slide play interface to the switching instruction
  • the thumbnail corresponds to the slide page.
  • the above slideshow control method and apparatus display a control interface on the slideshow interface and receive a switching instruction acting on the thumbnail.
  • the slide page corresponding to the thumbnail of the switching instruction is acquired, and the slide page currently displayed on the slide play interface is switched to the slide page corresponding to the thumbnail of the switching instruction.
  • the control interface is displayed on the slide play interface, and after the user inputs the switching instruction on the thumbnail of the control interface, the slide page currently displayed on the slide play interface can be automatically switched to the slide corresponding to the thumbnail of the switching instruction.
  • the page can also be switched in the playing state when the slide show is displayed using the touch device, which simplifies the user operation.
  • FIG. 1 is a flow chart of a slide play control method in an embodiment
  • FIG. 3 is a schematic diagram of an interface of a control interface in an embodiment
  • FIG. 4 is a schematic diagram of an interface displayed in an enlarged manner in an embodiment
  • FIG. 5 is a schematic diagram of an interface of a writing interface in an embodiment
  • FIG. 6 is a structural diagram of a slideshow playback control device in an embodiment
  • Fig. 7 is a structural diagram of a slide show control device in another embodiment.
  • a slide show control method in an embodiment is applied to an intelligent terminal having a slide show function for illustration. As shown in FIG. 1, the above method includes the following steps:
  • Step S102 Display a control interface on the slideshow interface.
  • the thumbnail corresponding to the slide page is displayed in the control interface, and the slide play interface refers to the interface for performing the slide show, which may be a full screen display or a window display on the display screen of the smart terminal.
  • a slideshow is a playable file created by text, images, etc., plus some special effects dynamic display effects.
  • the play file format of the slideshow may specifically include PowerPoint, Keynote, Pages, Numbers, and the like.
  • the thumbnail is a thumbnail having a link relationship with the corresponding slide page, and functions as a preview of the image file and a directory, and the specific number of the thumbnail corresponds to the number of pages of the slide page.
  • the thumbnail is obtained by taking a screenshot of the slide page, which may be a screenshot before the slide show event is triggered, or may be performed after the slide show event is triggered.
  • the thumbnail image is obtained by taking a screenshot of the slideshow page after the slideshow event is triggered, displayed on the control interface, and has a corresponding relationship with the corresponding slideshow page.
  • the thumbnails may be combined according to the presentation order of the slideshow pages, and displayed in the control interface in the form of a thumbnail list.
  • the control interface may be displayed on the slideshow interface when the slideshow is detected to be in the play state; or the control interface may be displayed on the slideshow interface after detecting that the slideshow is in the play state and receiving the start command.
  • the startup command can be input by touch operation on the slideshow interface, such as clicking or sliding with a finger; the startup command can also be input by clicking a mouse. Taking the touch operation as an example, when the slideshow is in the playing state, if the touch operation of the user on the slideshow interface is detected, the control interface is displayed on the slideshow interface, so that the user can perform the slideshow control.
  • the slide show event is triggered when it is detected that the slide is in the play state, and the control interface is displayed on the slide play interface. It can be a full-screen display control interface in the slideshow interface, or a control interface can be displayed in a partial area of the slideshow interface.
  • the specific way to monitor the status of the slide is not unique. It can be to directly monitor the parameter change of the slide control program to confirm its status, or to monitor the status of the background running program of the intelligent terminal to confirm the status of the slide, or through third-party components. Monitor the status of the slides.
  • the thumbnail may be displayed on the control interface while displaying the control interface on the slide show interface; or may be the display control interface, and then displaying the thumbnail after receiving the trigger command, for example, receiving the user pair Display thumbnails after clicking on the control interface.
  • the page number display frame is displayed in the control interface, and the step S102 includes: displaying the control interface on the slide show interface, and displaying the thumbnail on the control interface after receiving the click command of the page code display frame acting on the control interface.
  • the click command may be an instruction generated by a touch operation, such as a user clicking with a finger or a stylus
  • the page number displays the command generated by the frame; it can also be the command generated by clicking the page code display box with the mouse arrow.
  • the page display box for displaying the slide page number may be set in the control interface, and the page display frame may be displayed on one or more sides of the control interface. In this embodiment, the page display frame is displayed on opposite sides of the control interface.
  • the thumbnail is displayed after receiving the click command applied to the page number display frame.
  • Step S104 Receive a switching instruction applied to the thumbnail.
  • the switching instruction is used to select a thumbnail to switch to the corresponding slide page for display.
  • the input mode of the switching instruction is not unique, and may be generated by a touch operation, such as clicking a thumbnail by a stylus or a finger to input a switching instruction; or inputting a switching instruction by clicking a mouse.
  • Step S106 In response to the switching instruction, the slide page corresponding to the thumbnail of the switching instruction is acquired, and the slide page currently displayed on the slide play interface is switched to the slide page corresponding to the thumbnail function of the switching instruction.
  • the thumbnail image applied by the switching instruction is acquired, and the slide page currently switched to the slide show interface is switched to the thumbnail function of the switching instruction.
  • the thumbnail display function is added, and the user can browse the content of the slide through the thumbnail and click the thumbnail corresponding to the page to be jumped to quickly complete the page jump operation.
  • the above slide show control method displays a control interface on the slide play interface, and the user can automatically switch the slide page currently displayed on the slide play interface to a switch instruction after inputting a switching instruction on the thumbnail of the control interface.
  • the slide page corresponding to the thumbnail of the function can also switch the page in the playing state when the slide show is displayed using the touch device, which simplifies the user operation.
  • control interface is also provided with a page turning button.
  • the above method may further comprise the following steps:
  • the page turning button can be displayed on one or more sides of the control interface, and the page turning command can also be a touch operation or a mouse click.
  • the page turning operation function is added, and the user can select according to the actual needs, for example, when the page jump switching is required, the click thumbnail is performed, When you need to turn pages, you can directly click the page flip button to improve the convenience of slideshow operation.
  • a page turning button is displayed on opposite sides of the control interface for the user to perform a page turning operation.
  • the page turning button specifically includes a up button and a down button, which are respectively disposed on both sides of the page number display frame. The user can click on the up button and the down button to perform page up and down operations on the slide, further improving the convenience of the slide show operation.
  • the above method further includes the following steps:
  • the page number of the currently displayed slide page is obtained and displayed in the page number display box of the control interface.
  • the slide page switching event is triggered by detecting that the slide page of the presentation changes, and the page number of the currently displayed light page is obtained. Displayed in the page number display box for page number update.
  • a page number update function is provided.
  • the page number is automatically updated for display for viewing by the user, which improves the convenience of the slide show operation.
  • a mode switching window is also displayed in the control interface. As shown in FIG. 2, the above method further includes step S108 and step S110.
  • Step S108 Receive a mode switching instruction of a mode switching window applied to the control interface, and switch the slide show mode according to the mode switching instruction.
  • step S108 may be before step S104 or may be after step S104.
  • the input form of the mode switching instruction is not unique, and can also be generated by a touch operation or a click of a mouse.
  • the mode switching window can be set in the control interface to obtain a mode switching instruction acting on the mode switching window and correspondingly switch the slide show mode.
  • the slide show mode includes at least one of a selection mode, an annotation mode, and an erase mode
  • the mode switching window is correspondingly provided with at least one of a selection button, an annotation button, and an erase button, and the user can click the corresponding The button switches the slideshow mode.
  • Step S110 Receive a corresponding editing operation instruction in the slide show mode, and perform an editing operation on the slide page displayed in the slide play interface according to the edit operation instruction.
  • Steps S108 and S110 further provide a slideshow mode switching function, and the user can select different play modes according to the needs of the slideshow and perform related operations, thereby improving the convenience of the slideshow operation.
  • the step S110 may specifically include the steps 1 to 3.
  • Step 1 When the slide show mode is the selection mode, a selection operation acting on the slide show interface is received, and the content corresponding to the selection operation is highlighted on the slide show interface.
  • the selection operation is also a touch operation or a mouse click operation.
  • the touch operation when the user clicks the selection button to enter the selection mode, the touch operation can be performed by the finger on the slide play interface to select the relevant content for highlighting.
  • Highlighting refers to displaying selected content in a form different from other content, which may include text, pictures, tables, and the like.
  • the text after the text corresponding to the selection operation is obtained, it may be displayed in a highlighted form, or displayed in a preset color, or an underline may be added, so that the selected text is displayed differently than the unselected content.
  • Step 2 When the slide show mode is the annotation mode, the annotation operation acting on the slideshow interface is received, and the annotation content is generated according to the annotation operation and displayed on the slideshow interface.
  • the annotation operation is also a touch operation or a mouse click operation. Taking the touch operation as an example, when the user clicks the annotation button and enters the annotation mode, the finger can be written on the slideshow interface, specifically by adding text, drawing, and the like.
  • Step 3 When the slide show mode is the erase mode, an erase operation acting on the slide play interface is received, and the content corresponding to the erase operation of the slide play interface is erased.
  • the erase operation is also a touch operation or a mouse click operation. Taking the touch operation as an example, when the user clicks the erase button and enters the erase mode, the erase operation can be performed by the finger on the slide play interface, and the annotation mode is written. The handwriting is erased.
  • the user can select a selection mode, an annotation mode, or an erase mode according to the needs of the slide show and perform related operations. It can be understood that the slide play mode and the corresponding editing operation mode are not limited to the above three types. For example, the slide page may be added, deleted, replaced, etc. in the modified mode.
  • an auxiliary window is also displayed in the control interface.
  • the above method further includes steps S112 to S116.
  • Step S112 Receive an auxiliary instruction of the auxiliary window acting on the control interface.
  • step S112 may be before step S104 or after step S104.
  • the input form of the auxiliary command is not unique, and can also be generated by touch operation or click mouse.
  • An auxiliary window can be set in the control interface to obtain an auxiliary command acting on the auxiliary window and confirm the type of the auxiliary command.
  • the auxiliary instruction includes an enlargement instruction and/or a writing instruction
  • the auxiliary window is correspondingly provided with an enlargement button and/or a writing button, and the user can input an auxiliary instruction of a corresponding type by clicking a corresponding button.
  • Step S114 When the auxiliary instruction is an amplification instruction, the selection operation acting on the slide play interface is received, and the content selected by the selection operation is enlarged and displayed.
  • the selection operation is also a touch operation or a mouse click operation.
  • touch operation when the user clicks the zoom button, the magnifying glass function is triggered, and the touch operation can be performed by the finger on the slide play interface to select the related content for enlarged display.
  • the enlarged display means that the selected content is enlarged and displayed, and the selected content may include text, pictures, tables, and the like. Zooming in on the local area during the presentation of the slides makes it more prominent and obvious for viewing.
  • Step S116 When the auxiliary instruction is a writing instruction, the writing interface is displayed and the writing operation acting on the writing interface is received, and the corresponding content is generated according to the writing operation and displayed on the writing interface.
  • the writing operation is also a touch operation or a mouse click operation. Taking the touch operation as an example, when the user clicks the writing button, the function of the board in the board is triggered, and the writing interface is popped up. The user can perform a writing operation on the writing interface by using a finger to generate corresponding content for display. During the presentation of the slideshow, a blank area that can be written can be quickly expanded to allow the user to write, which improves the convenience of the slideshow operation.
  • step S116 displays a writing interface and receives a writing operation on the writing interface, including: displaying a writing interface, and receiving a writing operation on the writing interface after receiving a click operation on the annotation button. Setting the start condition for the writing function, displaying the writing interface after inputting the writing command, and obtaining the writing operation after receiving the click operation acting on the comment button, thereby avoiding misoperation and improving the reliability of the slide show operation.
  • Steps S112 to S116 are also provided with a slideshow auxiliary function, and the user can The need to zoom in or write while the light is playing improves the convenience of the slideshow operation.
  • the method includes the steps corresponding to the slide play mode switching function and the slide show auxiliary function, and the mode switching window and the auxiliary window of the control interface may be set to be displayed or hidden in the same window.
  • the control interface is also provided with an auxiliary button for controlling the display and hiding of the selection button, the annotation button, the erase button, the enlargement button, and the writing button by receiving an instruction acting on the auxiliary button, when the slideshow mode switching function and the slideshow are not required to be performed.
  • the user can hide the related button by clicking the auxiliary button, which is convenient for watching the slide show.
  • control interface is also provided with an end button.
  • the above method further includes step S118 and step S120.
  • Step S118 It is detected whether an end play instruction acting on the end button is received.
  • step S118 may be before step S104 or after step S104.
  • the input form of the end playback command is not unique, and can also be generated by a touch operation or a click of a mouse.
  • the user can input the end playback command by clicking the end button. If the end playback command acting on the end button is received, step S120 is performed, otherwise the slideshow interface and the control interface are continuously displayed.
  • Step S120 Close the slide show interface and close the control interface.
  • Steps S118 and S120 provide the slide show end control function, the user can exit the slide show state by inputting the end play instruction, and close the control interface while closing the slide play interface, so that the control interface is only played on the slide show. Displayed in the state, so as not to affect other operations of the user, further improving the convenience of the slide show operation.
  • the slideshow control method includes steps corresponding to a thumbnail display function, a page turning operation function, a page number update function, a slide show mode switching function, a slide show assist function, and a slide show end control function. It should be noted that each of the above functions may be performed simultaneously or not simultaneously, and there is no specific sequence between them.
  • the slides include PowerPoint, Keynote, and Pages.
  • the specific implementation method uses PowerPoint (referred to as PPT) as an example.
  • PPT The PPT playback status can be realized by calling the COM component (the dynamic link library file is Microsoft.Office.Interop.PowerPoint.dll).
  • the monitoring and control, and the addition of auxiliary functions based on the original PPT playback, can more easily operate the PPT.
  • the playback event is started by the interface that starts the playback event, and the auxiliary tool is notified by this event when the PPT starts playing.
  • the interface to start playing the event is specifically:
  • the auxiliary tool displays the control interface in full screen on the PPT play interface.
  • the display of the control interface has a thumbnail 210, and the middle blank area is used to display the PPT page.
  • a page number display frame 230 and a page turning button are provided on the left and right sides of the control interface, and the page turning button includes a up button 242 and a down button 244, and the page number display frame 230 is located between the up button 242 and the down button 244.
  • the page number display box 230 displays the page number of the current PPT page, and the thumbnail 210 is displayed when the page number display box 230 is clicked.
  • the user can perform a page jump operation by clicking the thumbnail 210, and can also perform a page turning operation by clicking the flip button 242 and the scroll down button 244.
  • the interface for turning the page up is: SlideShowWindow.View.Previous(), down one
  • the interface for page flipping is: SlideShowWindow.View.Next().
  • the control interface is provided with a selection button 252, an annotation button 254, an erase button 256, an enlargement button 262 and a writing button 264, an auxiliary button 270, and an end button 280.
  • a selection button 252 By clicking the auxiliary button 270, the selection button 252, the annotation button 254, and the erasure can be controlled.
  • Button 256, zoom button 262, and write button 264 Show and hide.
  • the PPT play interface is closed by clicking the end button 280 to exit the demo mode, and the interface for exiting the demo mode is: SlideShowWindow.View.Exit().
  • the annotation mode the user can perform a writing operation on the PPT, and the user can erase the written handwriting in the erasing mode.
  • the zoom-in button 262 and the write button 264 the user can use the magnifying glass function and the board-in-board function to display the enlarged content or display the writing interface for the user to write.
  • the magnifying frame 290 is popped up to display the enlarged content.
  • the switch page event is monitored by the interface that switches the page event, and the PPT notifies the auxiliary tool through this event when switching the page.
  • the interface for switching page events is:
  • the auxiliary tool After detecting the PPT switching page, the auxiliary tool acquires the page number of the current PPT, and updates it in the page number display box 230 on the left and right sides.
  • the interface for obtaining the current PPT page number is: SlideShowWindow.View.CurrentShowPosition.
  • the playback end event is monitored by the interface that plays the end event, and the PPT notifies the auxiliary tool through this event when the projector ends.
  • the interface to end the play event is:
  • the control interface When the auxiliary tool receives the end playback event, the control interface is closed, so that the user's other operations are not affected, and the control interface is only displayed in the PPT playback state.
  • a slideshow control device in an embodiment is exemplified for application to a smart terminal having a slideshow function.
  • the above apparatus includes an interface display module 102, an instruction acquisition module 104, and a page switching module 106.
  • the interface display module 102 is configured to display a control interface on the slideshow interface.
  • the thumbnail corresponding to the slide page is displayed in the control interface, and the slide play interface refers to the interface for performing the slide show, which may be a full screen display or a window display on the display screen of the smart terminal.
  • the thumbnail is a thumbnail having a link relationship with the corresponding slide page, and functions as a preview of the image file and a directory, and the specific number of the thumbnail corresponds to the number of pages of the slide page.
  • the thumbnail image is obtained by taking a screenshot of the slideshow page after the slideshow event is triggered, displayed on the control interface, and has a corresponding relationship with the corresponding slideshow page. Generate thumbnails when the slideshow is played to avoid wasting the program.
  • the thumbnails may be combined according to the presentation order of the slideshow pages, and displayed in the control interface in the form of a thumbnail list.
  • the control interface may be displayed on the slideshow interface when the slideshow is detected to be in the play state; or the control interface may be displayed on the slideshow interface after detecting that the slideshow is in the play state and receiving the start command. .
  • the control interface is displayed on the slideshow interface, so that the user can perform the slideshow control.
  • the slide show event is triggered when it is detected that the slide is in the play state, and the control interface is displayed on the slide play interface.
  • a page number display frame is displayed in the control interface, and the interface display module 102 displays the control interface on the slide play interface, including: displaying a control interface on the slide play interface, and receiving a click on the page code display frame acting on the control interface
  • the thumbnail is displayed on the control interface.
  • the page number display box for displaying the slide page number may be first set in the control interface, specifically, the page display frame may be displayed on one or more sides of the control interface, and the thumbnail is displayed after receiving the click command acting on the page number display frame. .
  • the instruction acquisition module 104 is configured to receive a switching instruction that acts on the thumbnail.
  • the switching instruction is used to select a thumbnail to switch to the corresponding slide page for display.
  • the input mode of the switching instruction is not unique, and may be generated by a touch operation, such as clicking a thumbnail by a stylus or a finger to input a switching instruction; or inputting a switching instruction by clicking a mouse.
  • the page switching module 106 is configured to: in response to the switching instruction, acquire a slide page corresponding to the thumbnail of the switching instruction, and switch the currently displayed slide page on the slide play interface to a switching instruction.
  • the thumbnail of the function corresponds to the slide page.
  • the thumbnail image applied by the switching instruction is acquired, and the slide page currently switched to the slide show interface is switched to the thumbnail function of the switching instruction.
  • the thumbnail display function is added, and the user can browse the content of the slide through the thumbnail and click the thumbnail corresponding to the page to be jumped to quickly complete the page jump operation.
  • the slide show control device displays a control interface on the slide play interface, and after the user inputs a switch instruction on the thumbnail of the control interface, the slide page currently displayed on the slide play interface can be switched to a switch command.
  • the thumbnail page corresponding to the thumbnail image can also be switched in the playing state when the slide show is displayed using the touch device, which simplifies the user operation.
  • control interface is also provided with a page turning button.
  • the device further includes a page turning operation module, the page turning operation module is configured to receive a page turning instruction of the page turning button acting on the control interface, and perform a page turning operation on the slide page according to the page turning instruction.
  • the page turning operation function is added, and the user can select according to actual needs, for example, when the page jump switching is required, the thumbnail is clicked, and when the page turning needs to be performed, the page turning button can be directly clicked. Progression improves the convenience of slideshow operations.
  • the device further includes a page number updating module, and the page number updating module is configured to acquire a page number of the currently displayed slide page and display the page number display frame of the control interface when the slide page switching is detected.
  • the slide page switching event is triggered by detecting that the slide page of the presentation changes, and the page number of the currently displayed slide page is obtained and The page number display box is displayed for page number update.
  • a page number update function is provided.
  • the page number is automatically updated for display for viewing by the user, which improves the convenience of the slide show operation.
  • a mode switching window is also displayed in the control interface.
  • the above apparatus further includes a mode switching module 108 and an editing operation module 110.
  • the mode switching module 108 is configured to receive a mode switching instruction of a mode switching window applied to the control interface, and switch the slide show mode according to the mode switching instruction.
  • the mode switching window can be set in the control interface to obtain the mode switching finger acting on the mode switching window. Let and switch the slideshow mode accordingly.
  • the slide show mode includes at least one of a selection mode, an annotation mode, and an erase mode
  • the mode switching window is correspondingly provided with at least one of a selection button, an annotation button, and an erase button, and the user can click the corresponding The button switches the slideshow mode.
  • the editing operation module 110 is configured to receive a corresponding editing operation instruction in the slide play mode, and perform an editing operation on the slide page displayed in the slide play interface according to the editing operation instruction.
  • the mode switching module 108 and the editing operation module 110 also provide a slideshow mode switching function, and the user can select different play modes according to the needs of the slideshow and perform related operations, thereby improving the convenience of the slideshow operation.
  • the editing operation module 110 may specifically include at least one of a selection operation module, an annotation operation module, and an erase operation module, as in the case of at least one of a slide show mode including a selection mode, an annotation mode, and an erase mode.
  • the selection operation module is configured to receive a selection operation acting on the slide show interface when the slide show mode is the selection mode, and highlight the content corresponding to the selection operation on the slide show interface.
  • the selection operation is also a touch operation or a mouse click operation.
  • the touch operation when the user clicks the selection button to enter the selection mode, the touch operation can be performed by the finger on the slide play interface to select the relevant content for highlighting.
  • Highlighting refers to displaying selected content in a form different from other content, which may include text, pictures, tables, and the like.
  • the annotation operation module is configured to receive an annotation operation acting on the slideshow interface when the slideshow mode is the annotation mode, and generate the annotation content according to the annotation operation and display on the slideshow interface.
  • the annotation operation is also a touch operation or a mouse click operation.
  • touch operation when the user clicks the annotation button and enters the annotation mode, the finger can be written on the slideshow interface, specifically by adding text, drawing, and the like.
  • the erase operation module is configured to receive an erase operation applied to the slide play interface when the slide show mode is the erase mode, and erase the content corresponding to the erase operation of the slide play interface.
  • the erase operation is also a touch operation or a mouse click operation, taking a touch operation as an example, when the user clicks After hitting the erase button, the erase mode is entered, and the handwriting written in the annotation mode can be erased by performing an erase operation on the slide play interface by the finger.
  • the user can select a selection mode, an annotation mode, or an erase mode according to the needs of the slide show and perform related operations. It can be understood that the slide play mode and the corresponding editing operation mode are not limited to the above three types. For example, the slide page may be added, deleted, replaced, etc. in the modified mode.
  • an auxiliary window is also displayed in the control interface.
  • the apparatus further includes an instruction receiving module 112 and an auxiliary operating module 114.
  • the instruction receiving module 112 is configured to receive an auxiliary instruction of the auxiliary window acting on the control interface.
  • An auxiliary window can be set in the control interface to obtain an auxiliary command acting on the auxiliary window and confirm the type of the auxiliary command.
  • the auxiliary instruction includes an enlargement instruction and/or a writing instruction
  • the auxiliary window is correspondingly provided with an enlargement button and/or a writing button, and the user can input an auxiliary instruction of a corresponding type by clicking a corresponding button.
  • the auxiliary operation module 114 is configured to receive a selection operation acting on the slide play interface when the auxiliary instruction is an amplification instruction, and enlarge and display the selected operation content; when the auxiliary instruction is a writing instruction, display the writing interface and receive the function The writing operation of the writing interface and the generation of the corresponding content according to the writing operation are displayed on the writing interface.
  • the enlarged display means that the selected content is enlarged and displayed, and the selected content may include text, pictures, tables, and the like. Zooming in on the local area during the presentation of the slides makes it more prominent and obvious for viewing.
  • the writing button When the user clicks the writing button, the function of the board in the board is triggered, and the writing interface pops up.
  • the user can perform a writing operation on the writing interface by using a finger to generate corresponding content for display.
  • a blank area that can be written can be quickly expanded to allow the user to write, which improves the convenience of the slideshow operation.
  • the auxiliary operation module 114 displays the writing interface and receives a writing operation on the writing interface, including: displaying the writing interface, and receiving a writing operation acting on the writing interface after receiving the clicking operation on the annotation button. Setting the start condition for the writing function, displaying the writing interface after inputting the writing command, and obtaining the writing operation after receiving the click operation acting on the comment button, thereby avoiding misoperation and improving the reliability of the slide show operation.
  • the instruction receiving module 112 and the auxiliary operation module 114 also provide a slideshow auxiliary function.
  • the user can zoom in or write according to the needs of the slide show, which improves the convenience of the slide show operation.
  • the mode switching window and the auxiliary window of the control interface may be set to be displayed or hidden in the same window, and an auxiliary button is further disposed on the control interface, and the selection button, the annotation button, the erasing button, and the like are controlled by receiving an instruction acting on the auxiliary button.
  • the zoom button and the write button are displayed and hidden, when the slide show mode switching function and the slide show assist function are not required, the user can hide the related button by clicking the auxiliary button, which is convenient for watching the slide show.
  • control interface is also provided with an end button.
  • the above apparatus also includes a play control module 116.
  • the play control module 116 is configured to detect whether an end play command acting on the end button is received, and if so, close the slide play interface and close the control interface.
  • the user can input the end playback command by clicking the end button. If the end playback command is applied to the end button, the slideshow interface is closed and the control interface is closed; otherwise, the slideshow interface and the control interface are continuously displayed. After receiving the end playback command, close the slideshow interface to exit the slideshow state. At the same time, after detecting that the slide show exits the play state, the slide show end event is triggered, and the control interface is closed. It is also possible to directly monitor the parameter changes of the slide control program to confirm its status, or to monitor the status of the slides through third-party components.
  • the slide show end control function is provided, and the user can exit the slide show state by inputting the end play command, and close the slide show interface while closing the control interface, so that the control interface is only in the slide show state.
  • the display is displayed so as not to affect other operations of the user, which further improves the convenience of the slide show operation.

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Abstract

一种幻灯片播放控制方法和装置，在幻灯片播放界面上显示控制界面（S102），接收作用于缩略图的切换指令（S104），响应于切换指令，获取切换指令作用的缩略图所对应的幻灯片页面，将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面（S106）。在幻灯片播放界面上显示控制界面，用户在对控制界面上的缩略图输入切换指令后，便可自动将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面，在使用触控设备演示幻灯片时也可在播放状态下进行页面切换，简化了用户操作。

Description

幻灯片播放控制方法和装置 技术领域
本发明涉及多媒体显示技术领域，特别是涉及一种幻灯片播放控制方法和装置。
背景技术
在用户的日常工作、学习和技术交流中，为了形象、生动、方便而有条理的讲解、播放文件，通常都采用幻灯片(如PPT)的形式。幻灯片文件广泛应用于学术报告、论文答辩、商务会议等场合中，使用幻灯片文件可以帮助演讲者清楚且生动地表达其思想或观点。
由于PPT的交互是基于传统的键盘和鼠标来设计的，使用触控设备演示PPT则十分不便。PPT在播放状态下，如果要对PPT进行播放控制，只能长按屏幕弹出右键菜单，在菜单里进行选择，操作非常的不方便。
发明内容
基于此，有必要针对上述问题，提供一种在使用触控设备演示幻灯片时可简化用户操作的幻灯片播放控制方法和装置。
一种幻灯片播放控制方法，包括以下步骤：
在幻灯片播放界面上显示控制界面，所述控制界面中显示与幻灯片页面对应的缩略图；
接收作用于所述缩略图的切换指令；
响应于所述切换指令，获取所述切换指令作用的缩略图所对应的幻灯片页面，将所述幻灯片播放界面上当前显示的幻灯片页面切换为所述切换指令作用的缩略图对应的幻灯片页面。
一种幻灯片播放控制装置，包括：
界面显示模块，用于在幻灯片播放界面上显示控制界面，所述控制界面中显示与幻灯片页面对应的缩略图；
指令获取模块，用于接收作用于所述缩略图的切换指令；
页面切换模块，用于响应于所述切换指令，获取所述切换指令作用的缩略图所对应的幻灯片页面，将所述幻灯片播放界面上当前显示的幻灯片页面切换为所述切换指令作用的缩略图对应的幻灯片页面。
上述幻灯片播放控制方法和装置，在幻灯片播放界面上显示控制界面，接收作用于缩略图的切换指令。响应于切换指令，获取切换指令作用的缩略图所对应的幻灯片页面，将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面。在幻灯片播放界面上显示控制界面，用户在对控制界面上的缩略图输入切换指令后，便可自动将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面，在使用触控设备演示幻灯片时也可在播放状态下进行页面切换，简化了用户操作。
附图说明
图1为一实施例中幻灯片播放控制方法的流程图；
图2为另一实施例中幻灯片播放控制方法的流程图；
图3为一实施例中控制界面的界面示意图；
图4为一实施例中放大显示的界面示意图；
图5为一实施例中书写界面的界面示意图；
图6为一实施例中幻灯片播放控制装置的结构图；
图7为另一实施例中幻灯片播放控制装置的结构图。
具体实施方式
在一实施例中的一种幻灯片播放控制方法，以应用于具有幻灯片播放功能的智能终端上进行举例说明。如图1所示，上述方法包括以下步骤：
步骤S102：在幻灯片播放界面上显示控制界面。
控制界面中显示与幻灯片页面对应的缩略图，幻灯片播放界面即指进行幻灯片播放的界面，可以是在智能终端的显示屏进行全屏显示或窗口显示。幻灯片是一种由文字、图片等制作出来加上一些特效动态显示效果的可播放文件， 例如，幻灯片的播放文件格式具体可包括PowerPoint、Keynote、Pages和Numbers等。缩略图为与对应幻灯片页面具有链接关系的缩略图，起图片文件预览及目录的作用，缩略图的具体数量与幻灯片页面的页数对应。缩略图通过对幻灯片页面进行截图得到，具体可以是在触发幻灯片播放事件之前进行截图，也可以是在触发幻灯片播放事件之后进行截图。本实施例中，缩略图为在触发幻灯片播放事件之后对幻灯片页面进行截图得到，显示在控制界面，并与相应的幻灯片页面具有对应关系。在幻灯片播放时再生成缩略图，避免程序浪费。此外，当缩略图的数量为多个时，可根据幻灯片页面的演示顺序对缩略图进行组合后，以缩略图列表的形式显示在控制界面。
可以是在检测到幻灯片处于播放状态时，则在幻灯片播放界面上显示控制界面；也可以是在检测到幻灯片处于播放状态，且接收到启动指令后在幻灯片播放界面上显示控制界面。启动指令具体可通过在幻灯片播放界面进行触控操作输入，如用手指进行点击或滑动操作；启动指令也可以通过点击鼠标输入。以触控操作为例，在幻灯片处于播放状态时，若检测到用户在幻灯片播放界面的触控操作，则在幻灯片播放界面上显示控制界面，以便用户进行幻灯片播放控制。
具体地，通过监测幻灯片的状态，当检测到幻灯片处于播放状态时则触发幻灯片播放事件，在幻灯片播放界面显示控制界面。可以是在幻灯片播放界面全屏显示控制界面，也可以是在幻灯片播放界面的部分区域显示控制界面。监测幻灯片状态的具体方式并不唯一，可以是直接监测幻灯片控制程序的参数变化来确认其状态，也可以是监测智能终端的后台运行程序状态来确认幻灯片的状态，或者通过第三方组件对幻灯片的状态进行监控。
在确认触发幻灯片播放事件后，可以是在幻灯片播放界面显示控制界面的同时在控制界面显示缩略图；也可以是显示控制界面，接收到触发指令后再显示缩略图，例如接收到用户对控制界面的点击操作后显示缩略图。具体地，控制界面中显示有页码显示框，步骤S102包括：在幻灯片播放界面上显示控制界面，在接收到作用于控制界面的页码显示框的点击指令后，在控制界面显示缩略图。点击指令具体可以是触控操作产生的指令，如用户用手指或触控笔点击 页码显示框产生的指令；也可以是通过鼠标箭头点击页码显示框产生的指令。可先在控制界面设置用于显示幻灯片页码的页码显示框，具体可以是在控制界面的一侧或多侧显示页面显示框，本实施例中，页面显示框显示于控制界面的相对两侧，在接收到作用于页码显示框的点击指令后再显示缩略图。用户在进行幻灯片播放时，可根据实际情况选择是否需要显示缩略图来辅助页面切换操作，提高了幻灯片播放操作便利性。
步骤S104：接收作用于缩略图的切换指令。
切换指令用于选定缩略图以切换到对应的幻灯片页面进行显示。切换指令的输入方式并不唯一，具体可以是通过触控操作产生，如通过触控笔或手指点击缩略图以输入切换指令；也可以是通过点击鼠标来输入切换指令。
步骤S106：响应于切换指令，获取切换指令作用的缩略图所对应的幻灯片页面，将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面。
本实施例中，在接收到切换指令后，获取切换指令所作用的缩略图，并将切换至幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图。在播放状态下增加缩略图显示功能，用户可通过缩略图浏览幻灯片的内容，点击要跳转的页面所对应的缩略图就可以快速地完成页面跳转操作。
上述幻灯片播放控制方法，在幻灯片播放界面上显示控制界面，用户在对控制界面上的缩略图输入切换指令后，便可自动将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面，在使用触控设备演示幻灯片时也可在播放状态下进行页面切换，简化了用户操作。
在其中一个实施例中，控制界面还设置有翻页按钮。上述方法还可包括以下步骤：
接收作用于控制界面的翻页按钮的翻页指令，并根据翻页指令对幻灯片页面进行翻页操作。
可在控制界面的一侧或多侧显示翻页按钮，翻页指令同样可以是触控操作或者点击鼠标生成。在缩略图显示功能的基础上增加翻页操作功能，用户可根据实际需求进行选择，例如需要进行页面跳转切换时通过点击缩略图进行，在 需要进行翻页时则可直接通过点击翻页按钮进行，提高了幻灯片播放操作便利性。
具体地，本实施例中，在控制界面的相对两侧显示翻页按钮，以便用户进行翻页操作。翻页按钮具体包括上翻按钮和下翻按钮，分别设置于页码显示框两侧。用户可通过点击上翻按钮和下翻按钮对幻灯片进行页面上翻和下翻操作，进一步提高了幻灯片播放操作便利性。
进一步地，上述方法还包括以下步骤：
当检测到幻灯片页面切换时，获取当前显示的幻灯片页面的页码并在控制界面的页码显示框显示。
同样可以是直接监测幻灯片控制程序的参数变化来确认其状态，或者通过第三方组件对幻灯片的状态进行监控。当用户通过点击缩略图进行页面切换，或者通过翻页操作功能进行翻页操作后，检测到演示的幻灯片页面发生变化则触发幻灯片页面切换事件，获取当前幻显示的灯片页面的页码并在页码显示框显示，以进行页码更新。
本实施例中提供了页码更新功能，当幻灯片页面切换时，自动更新页码进行显示以便用户查看，提高了幻灯片播放操作便利性。
在其中一个实施例中，控制界面中还显示有模式切换窗口。如图2所示，上述方法还包括步骤S108和步骤S110。
步骤S108：接收作用于控制界面的模式切换窗口的模式切换指令，并根据模式切换指令切换幻灯片播放模式。
应当说明的是，步骤S108可在步骤S104之前，也可以是在步骤S104之后。模式切换指令的输入形式并不唯一，同样可以是通过触控操作或点击鼠标生成。可在控制界面设置模式切换窗口，获取作用于模式切换窗口的模式切换指令并对应切换幻灯片播放模式。具体地，幻灯片播放模式包括选择模式、批注模式和擦除模式中的至少一种，模式切换窗口对应设置有选择按钮、批注按钮和擦除按钮中的至少一种，用户可通过点击相应的按钮实现幻灯片播放模式的切换。
步骤S110：在幻灯片播放模式下接收相应的编辑操作指令，并根据编辑操作指令对幻灯片播放界面中显示的幻灯片页面进行编辑操作。
在不同的幻灯片播放模式下接收到的编辑操作指令的类型会不同，根据编辑操作指令对幻灯片页面进行编辑操作的具体方式也会对应有所不同。
步骤S108和步骤S110即是还提供了幻灯片播放模式切换功能，用户可根据幻灯片播放时的需求选择不同的播放模式并进行相关的操作，提高了幻灯片播放操作便利性。
同样以幻灯片播放模式包括选择模式、批注模式和擦除模式中的至少一种为例，步骤S110具体可包括步骤1至步骤3。
步骤1：当幻灯片播放模式为选择模式时，接收作用于幻灯片播放界面的选择操作，并在幻灯片播放界面突出显示与选择操作对应的内容。
选择操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击选择按钮后进入选择模式，可通过手指在幻灯片播放界面进行触控操作选择相关内容进行突出显示。突出显示即是指以不同于其他内容的形式来显示选择的内容，选择的内容可以包括文字、图片和表格等。以文字为例，在获取选择操作对应的文字后，可以是以高亮形式显示，或者以预设颜色显示，或者添加下划线等，以使选择的文字的显示方式不同于未选择的内容。
步骤2：当幻灯片播放模式为批注模式时，接收作用于幻灯片播放界面的批注操作，根据批注操作生成批注内容并在幻灯片播放界面显示。批注操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击批注按钮后进入批注模式，可通过手指在幻灯片播放界面进行书写操作，具体可以是添加文字、绘图等。
步骤3：当幻灯片播放模式为擦除模式时，接收作用于幻灯片播放界面的擦除操作，并擦除幻灯片播放界面与擦除操作对应的内容。
擦除操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击擦除按钮后进入擦除模式，可通过手指在幻灯片播放界面进行擦除操作，将批注模式下书写的笔迹擦除。
用户可根据幻灯片播放时的需求选择选择模式、批注模式或擦除模式并进行相关的操作。可以理解，幻灯片播放模式以及对应的编辑操作方式并不限于以上三种，例如还可在修改模式下对幻灯片页面进行新增、删除、替换等操作。
在其中一个实施例中，控制界面中还显示有辅助窗口。继续参照图2，上述方法还包括步骤S112至步骤S116。
步骤S112：接收作用于控制界面的辅助窗口的辅助指令。
应当说明的是，步骤S112可在步骤S104之前，也可在步骤S104之后。辅助指令的输入形式并不唯一，同样可以是通过触控操作或点击鼠标生成。可在控制界面设置辅助窗口，获取作用于辅助窗口的辅助指令并确认辅助指令的类型。具体地，辅助指令包括放大指令和/或书写指令，辅助窗口对应设置有放大按钮和/或书写按钮，用户可通过点击相应的按钮输入对应类型的辅助指令。
步骤S114：当辅助指令为放大指令时，接收作用于幻灯片播放界面的选取操作，并将选取操作选择的内容进行放大显示。
选取操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击放大按钮后触发放大镜功能，可通过手指在幻灯片播放界面进行触控操作选择相关内容进行放大显示。放大显示即是指对选取的内容进行放大处理后进行显示，选取的内容可包括文字、图片和表格等。在演示幻灯片的过程中对局部区域进行放大，可以让其更加突出和明显，便于观看。
步骤S116：当辅助指令为书写指令时，显示书写界面并接收作用于书写界面的书写操作，并根据书写操作生成对应内容在书写界面显示。书写操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击书写按钮之后触发板中板功能，弹出书写界面。用户可通过手指在书写界面进行书写操作以生成对应内容进行显示。在演示幻灯片的过程中可以快速地扩展出一个可以书写的空白区域来让用户进行书写，提高了幻灯片播放操作便利性。
可以是在显示书写界面之后直接进行书写操作，也可以是在显示书写界面并点击批注按钮之后，在书写界面进行书写操作。本实施例中，步骤S116显示书写界面并接收作用于书写界面的书写操作，包括：显示书写界面，在接收到作用于批注按钮的点击操作之后接收作用于书写界面的书写操作。对书写功能设置启动条件，在输入书写指令之后显示书写界面，并在接收到作用于批注按钮的点击操作后获取书写操作，避免误操作，提高了幻灯片播放操作可靠性。
步骤S112至步骤S116即是还提供了幻灯片播放辅助功能，用户可根据幻 灯片播放时的需求进行放大或书写操作，提高了幻灯片播放操作便利性。
进一步地，在其中一个实施例中，上述方法同时包括幻灯片播放模式切换功能和幻灯片播放辅助功能对应的步骤，可将控制界面的模式切换窗口和辅助窗口设置为同窗口显示或隐藏，在控制界面还设置有辅助按钮，通过接收作用于辅助按钮的指令控制选择按钮、批注按钮、擦除按钮、放大按钮和书写按钮的显示和隐藏，当不需要执行幻灯片播放模式切换功能和幻灯片播放辅助功能时，用户可通过点击辅助按钮隐藏相关按钮，便于观看幻灯片播放。
在其中一个实施例中，控制界面还设置有结束按钮。上述方法还包括步骤S118和步骤S120。
步骤S118：检测是否接收到作用于结束按钮的结束播放指令。
应当说明的是，步骤S118可在步骤S104之前，也可在步骤S104之后。结束播放指令的输入形式并不唯一，同样可以是通过触控操作或点击鼠标生成。在控制界面设置结束按钮，用户可通过点击结束按钮来输入结束播放指令。若接收到作用于结束按钮的结束播放指令，进行步骤S120，否则继续显示幻灯片播放界面和控制界面。
步骤S120：关闭幻灯片播放界面并关闭控制界面。
在接收到结束播放指令后，关闭幻灯片播放界面以退出幻灯片播放状态。同时，在检测到幻灯片退出播放状态后则触发幻灯片播放结束事件，关闭控制界面。同样可直接监测幻灯片控制程序的参数变化来确认其状态，或者通过第三方组件对幻灯片的状态进行监控。
步骤S118和步骤S120即是提供了幻灯片播放结束控制功能，用户可通过输入结束播放指令以退出幻灯片播放状态，在关闭幻灯片播放界面的同时关闭控制界面，使控制界面只在幻灯片播放状态下显示，从而不会影响用户的其它操作，进一步提高了幻灯片播放操作便利性。
在一个实施例中，幻灯片播放控制方法包括缩略图显示功能、翻页操作功能、页码更新功能、幻灯片播放模式切换功能、幻灯片播放辅助功能、幻灯片播放结束控制功能对应的步骤。需要说明的是，上述各功能可以是同时进行也可以不是同时进行，相互之间没有特定的先后顺序。
以下结合具体的实施方式对上述幻灯片播放控制方法进行进一步的解释说明。
幻灯片包括PowerPoint、Keynote和Pages等，本具体实施方式以PowerPoint(简称PPT)为例，可通过调用COM组件(动态链接库文件为Microsoft.Office.Interop.PowerPoint.dll)来实现对PPT播放状态的监测与控制，并在原有PPT播放的基础上添加辅助功能，可以更加方便地对PPT进行操作。通过辅助工具初始化COM组件并创建PPT的实例，订阅COM组件中的事件，包括：开始播放事件、切换页面事件和播放结束事件。
通过开始播放事件的接口监控开始播放事件，PPT开始播放时，会通过此事件通知辅助工具。开始播放事件的接口具体为：
Microsoft.Office.Interop.PowerPoint.Application.SlideShowBegin(SlideShowWindow wn)。
当检测到开始播放事件后，辅助工具在PPT播放界面全屏显示控制界面。如图3所示，控制界面的显示有缩略图210，中间空白区域用于显示PPT页面。控制界面左右两侧均设置有页码显示框230和翻页按钮，翻页按钮包括上翻按钮242和下翻按钮244，页码显示框230位于上翻按钮242和下翻按钮244之间。在触发幻灯片播放事件之后对PPT页面进行截图保存在本地，与对应的PPT页面建立链接后加载到辅助工具中。对PPT进行截图的接口为：
SlideShowWindow.Presentation.Export(stringPath,stringFilterName,intScaleWidth,int ScaleHeight)。
页码显示框230显示有当前PPT页面的页码，当点击页码显示框230时缩略图210显示。用户可以通过点击缩略图210进行页面跳转操作，还可以通过点击翻按钮242和下翻按钮244进行翻页操作，向上一页翻页的接口为:SlideShowWindow.View.Previous()，向下一页翻页的接口为：SlideShowWindow.View.Next()。
控制界面设置有选择按钮252、批注按钮254、擦除按钮256、放大按钮262和书写按钮264、辅助按钮270和结束按钮280，通过点击辅助按钮270可控制选择按钮252、批注按钮254、擦除按钮256、放大按钮262和书写按钮264的 显示和隐藏。通过点击结束按钮280关闭PPT播放界面以退出演示模式，退出演示模式的接口为：SlideShowWindow.View.Exit()。
用户通过点击选择按钮252、批注按钮254和擦除按钮256切换PPT当前的模式，如选择模式、批注模式和擦除模式，切换PPT当前模式的接口为：SlideShowWindow.View.PointerType。在批注模式下用户可以在PPT上进行书写操作，在擦除模式下用户可以将书写的笔迹擦除。用户通过点击放大按钮262和书写按钮264可使用放大镜功能和板中板功能，对演示内容进行放大显示或显示书写界面以便用户进行书写。如图4所示，在使用放大镜功能时弹出放大框290，显示放大的内容。如图5所示，用户在点击书写按钮264后显示书写界面300，在点击批注按钮254后可进行书写操作。
通过切换页面事件的接口监控切换页面事件，PPT在切换页面时会通过此事件通知辅助工具。切换页面事件的接口为：
Microsoft.Office.Interop.PowerPoint.Application.SlideShowNextSlide(SlideShowWindow wn)。
当检测到PPT切换页面后，辅助工具获取当前PPT的页码，并在左右两侧的页码显示框230进行更新。获取当前PPT页码的接口为：SlideShowWindow.View.CurrentShowPosition。
通过播放结束事件的接口监控播放结束事件，PPT在结束放映时会通过此事件通知辅助工具。结束播放事件的接口为：
Microsoft.Office.Interop.PowerPoint.Application.SlideShowEnd(Presentationpres)。
当辅助工具接收到结束播放事件后将控制界面关闭，从而不会影响用户的其它操作，达到了控制界面只有在PPT播放的状态才显示的目的。
在一实施例中的一种幻灯片播放控制装置，以应用于具有幻灯片播放功能的智能终端上进行举例说明。如图6所示，上述装置包括界面显示模块102、指令获取模块104和页面切换模块106。
界面显示模块102用于在幻灯片播放界面上显示控制界面。
控制界面中显示与幻灯片页面对应的缩略图，幻灯片播放界面即指进行幻灯片播放的界面，可以是在智能终端的显示屏进行全屏显示或窗口显示。缩略图为与对应幻灯片页面具有链接关系的缩略图，起图片文件预览及目录的作用，缩略图的具体数量与幻灯片页面的页数对应。本实施例中，缩略图为在触发幻灯片播放事件之后对幻灯片页面进行截图得到，显示在控制界面，并与相应的幻灯片页面具有对应关系。在幻灯片播放时再生成缩略图，避免程序浪费。此外，当缩略图的数量为多个时，可根据幻灯片页面的演示顺序对缩略图进行组合后，以缩略图列表的形式显示在控制界面。
可以是在检测到幻灯片处于播放状态时，则在幻灯片播放界面上显示控制界面；也可以是在检测到幻灯片处于播放状态，且接收到启动指令后在幻灯片播放界面上显示控制界面。以触控操作为例，在幻灯片处于播放状态时，若检测到用户在幻灯片播放界面的触控操作，则在幻灯片播放界面上显示控制界面，以便用户进行幻灯片播放控制。
具体地，通过监测幻灯片的状态，当检测到幻灯片处于播放状态时则触发幻灯片播放事件，在幻灯片播放界面显示控制界面。具体地，控制界面中显示有页码显示框，界面显示模块102在幻灯片播放界面上显示控制界面，包括：在幻灯片播放界面显示控制界面，在接收到作用于控制界面的页码显示框的点击指令后，在控制界面显示缩略图。可先在控制界面设置用于显示幻灯片页码的页码显示框，具体可以是在控制界面的一侧或多侧显示页面显示框，在接收到作用于页码显示框的点击指令后再显示缩略图。用户在进行幻灯片播放时，可根据实际情况选择是否需要显示缩略图来辅助页面切换操作，提高了幻灯片播放操作便利性。
指令获取模块104用于接收作用于缩略图的切换指令。
切换指令用于选定缩略图以切换到对应的幻灯片页面进行显示。切换指令的输入方式并不唯一，具体可以是通过触控操作产生，如通过触控笔或手指点击缩略图以输入切换指令；也可以是通过点击鼠标来输入切换指令。
页面切换模块106用于响应于切换指令，获取切换指令作用的缩略图所对应的幻灯片页面，将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令 作用的缩略图对应的幻灯片页面。
本实施例中，在接收到切换指令后，获取切换指令所作用的缩略图，并将切换至幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图。在播放状态下增加缩略图显示功能，用户可通过缩略图浏览幻灯片的内容，点击要跳转的页面所对应的缩略图就可以快速地完成页面跳转操作。
上述幻灯片播放控制装置，在幻灯片播放界面上显示控制界面，用户在对控制界面上的缩略图输入切换指令后，便可将幻灯片播放界面上当前显示的幻灯片页面切换为切换指令作用的缩略图对应的幻灯片页面，在使用触控设备演示幻灯片时也可在播放状态下进行页面切换，简化了用户操作。
在其中一个实施例中，控制界面还设置有翻页按钮。上述装置还包括翻页操作模块，翻页操作模块用于接收作用于控制界面的翻页按钮的翻页指令，并根据翻页指令对幻灯片页面进行翻页操作。
在缩略图显示功能的基础上增加翻页操作功能，用户可根据实际需求进行选择，例如需要进行页面跳转切换时通过点击缩略图进行，在需要进行翻页时则可直接通过点击翻页按钮进行，提高了幻灯片播放操作便利性。
进一步地，上述装置还包括页码更新模块，页码更新模块用于当检测到幻灯片页面切换时，获取当前显示的幻灯片页面的页码并在控制界面的页码显示框显示。
当用户通过点击缩略图进行页面切换，或者通过翻页操作功能进行翻页操作后，检测到演示的幻灯片页面发生变化则触发幻灯片页面切换事件，获取当前显示的幻灯片页面的页码并在页码显示框显示，以进行页码更新。
本实施例中提供了页码更新功能，当幻灯片页面切换时，自动更新页码进行显示以便用户查看，提高了幻灯片播放操作便利性。
在其中一个实施例中，控制界面中还显示有模式切换窗口。如图7所示，上述装置还包括模式切换模块108和编辑操作模块110。
模式切换模块108用于接收作用于控制界面的模式切换窗口的模式切换指令，并根据模式切换指令切换幻灯片播放模式。
可在控制界面设置模式切换窗口，获取作用于模式切换窗口的模式切换指 令并对应切换幻灯片播放模式。具体地，幻灯片播放模式包括选择模式、批注模式和擦除模式中的至少一种，模式切换窗口对应设置有选择按钮、批注按钮和擦除按钮中的至少一种，用户可通过点击相应的按钮实现幻灯片播放模式的切换。
编辑操作模块110用于在幻灯片播放模式下接收相应的编辑操作指令，并根据编辑操作指令对幻灯片播放界面中显示的幻灯片页面进行编辑操作。
在不同的幻灯片播放模式接收到的编辑操作指令的类型会不同，根据编辑操作指令对幻灯片页面进行编辑操作的具体方式也会对应有所不同。
模式切换模块108和编辑操作模块110即是还提供了幻灯片播放模式切换功能，用户可根据幻灯片播放时的需求选择不同的播放模式并进行相关的操作，提高了幻灯片播放操作便利性。
同样以幻灯片播放模式包括选择模式、批注模式和擦除模式中的至少一种为例，编辑操作模块110具体可包括选择操作模块、批注操作模块和擦除操作模块中的至少一种。
选择操作模块用于当幻灯片播放模式为选择模式时，接收作用于幻灯片播放界面的选择操作，并在幻灯片播放界面突出显示与选择操作对应的内容。
选择操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击选择按钮后进入选择模式，可通过手指在幻灯片播放界面进行触控操作选择相关内容进行突出显示。突出显示即是指以不同于其他内容的形式来显示选择的内容，选择的内容可以包括文字、图片和表格等。
批注操作模块用于当幻灯片播放模式为批注模式时，接收作用于幻灯片播放界面的批注操作，根据批注操作生成批注内容并在幻灯片播放界面显示。
批注操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点击批注按钮后进入批注模式，可通过手指在幻灯片播放界面进行书写操作，具体可以是添加文字、绘图等。
擦除操作模块用于当幻灯片播放模式为擦除模式时，接收作用于幻灯片播放界面的擦除操作，并擦除幻灯片播放界面与擦除操作对应的内容。
擦除操作同样是触控操作或者鼠标点击操作，以触控操作为例，当用户点 击擦除按钮后进入擦除模式，可通过手指在幻灯片播放界面进行擦除操作，将批注模式下书写的笔迹擦除。
用户可根据幻灯片播放时的需求选择选择模式、批注模式或擦除模式并进行相关的操作。可以理解，幻灯片播放模式以及对应的编辑操作方式并不限于以上三种，例如还可在修改模式下对幻灯片页面进行新增、删除、替换等操作。
在其中一个实施例中，控制界面中还显示有辅助窗口。继续参照图7，上述装置还包括指令接收模块112和辅助操作模块114。
指令接收模块112用于接收作用于控制界面的辅助窗口的辅助指令。
可在控制界面设置辅助窗口，获取作用于辅助窗口的辅助指令并确认辅助指令的类型。具体地，辅助指令包括放大指令和/或书写指令，辅助窗口对应设置有放大按钮和/或书写按钮，用户可通过点击相应的按钮输入对应类型的辅助指令。
辅助操作模块114用于当辅助指令为放大指令时，接收作用于幻灯片播放界面的选取操作，并将选取操作选择的内容进行放大显示；当辅助指令为书写指令时，显示书写界面并接收作用于书写界面的书写操作，并根据书写操作生成对应内容在书写界面显示。
放大显示即是指对选取的内容进行放大处理后进行显示，选取的内容可包括文字、图片和表格等。在演示幻灯片的过程中对局部区域进行放大，可以让其更加突出和明显，便于观看。当用户点击书写按钮之后触发板中板功能，弹出书写界面。用户可通过手指在书写界面进行书写操作以生成对应内容进行显示。在演示幻灯片的过程中可以快速地扩展出一个可以书写的空白区域来让用户进行书写，提高了幻灯片播放操作便利性。
本实施例中，辅助操作模块114显示书写界面并接收作用于书写界面的书写操作，包括：显示书写界面，在接收到作用于批注按钮的点击操作之后接收作用于书写界面的书写操作。对书写功能设置启动条件，在输入书写指令之后显示书写界面，并在接收到作用于批注按钮的点击操作后获取书写操作，避免误操作，提高了幻灯片播放操作可靠性。
指令接收模块112和辅助操作模块114即是还提供了幻灯片播放辅助功能， 用户可根据幻灯片播放时的需求进行放大或书写操作，提高了幻灯片播放操作便利性。
进一步地，可将控制界面的模式切换窗口和辅助窗口设置为同窗口显示或隐藏，在控制界面还设置有辅助按钮，通过接收作用于辅助按钮的指令控制选择按钮、批注按钮、擦除按钮、放大按钮和书写按钮的显示和隐藏，当不需要执行幻灯片播放模式切换功能和幻灯片播放辅助功能时，用户可通过点击辅助按钮隐藏相关按钮，便于观看幻灯片播放。
在其中一个实施例中，控制界面还设置有结束按钮。上述装置还包括播放控制模块116。
播放控制模块116用于检测是否接收到作用于结束按钮的结束播放指令，若是，则关闭幻灯片播放界面并关闭控制界面。
在控制界面设置结束按钮，用户可通过点击结束按钮来输入结束播放指令。若接收到作用于结束按钮的结束播放指令，则关闭幻灯片播放界面并关闭控制界面；否则继续显示幻灯片播放界面和控制界面。在接收到结束播放指令后，关闭幻灯片播放界面以退出幻灯片播放状态。同时，在检测到幻灯片退出播放状态后则触发幻灯片播放结束事件，关闭控制界面。同样可直接监测幻灯片控制程序的参数变化来确认其状态，或者通过第三方组件对幻灯片的状态进行监控。
本实施例中即是提供了幻灯片播放结束控制功能，用户可通过输入结束播放指令以退出幻灯片播放状态，在关闭幻灯片播放界面的同时关闭控制界面，使控制界面只在幻灯片播放状态下显示，从而不会影响用户的其它操作，进一步提高了幻灯片播放操作便利性。
以上所述实施例仅表达了本发明的几种实施方式，其描述较为具体和详细，但并不能因此而理解为对发明专利范围的限制。应当指出的是，对于本领域的普通技术人员来说，在不脱离本发明构思的前提下，还可以做出若干变形和改进，这些都属于本发明的保护范围。因此，本发明专利的保护范围应以所附权利要求为准。

Claims (10)

  1. 一种幻灯片播放控制方法，其特征在于，包括以下步骤：
    在幻灯片播放界面上显示控制界面，所述控制界面中显示与幻灯片页面对应的缩略图；
    接收作用于所述缩略图的切换指令；
    响应于所述切换指令，获取所述切换指令作用的缩略图所对应的幻灯片页面，将所述幻灯片播放界面上当前显示的幻灯片页面切换为所述切换指令作用的缩略图对应的幻灯片页面。
  2. 根据权利要求1所述的方法，其特征在于，所述控制界面中还显示有模式切换窗口；所述方法还包括：
    接收作用于所述控制界面的模式切换窗口的模式切换指令，并根据所述模式切换指令切换幻灯片播放模式；
    在所述幻灯片播放模式下接收相应的编辑操作指令，并根据所述编辑操作指令对所述幻灯片播放界面中显示的幻灯片页面进行编辑操作。
  3. 根据权利要求2所述的方法，其特征在于，所述幻灯片播放模式包括选择模式、批注模式和擦除模式中的至少一种；在所述幻灯片播放模式下接收相应的编辑操作指令，并根据所述编辑操作指令对所述幻灯片播放界面中显示的幻灯片页面进行编辑操作，包括：
    当所述幻灯片播放模式为选择模式时，接收作用于所述幻灯片播放界面的选择操作，并在所述幻灯片播放界面突出显示与所述选择操作对应的内容；
    当所述幻灯片播放模式为批注模式时，接收作用于所述幻灯片播放界面的批注操作，根据所述批注操作生成批注内容并在所述幻灯片播放界面显示；
    当所述幻灯片播放模式为擦除模式时，接收作用于所述幻灯片播放界面的擦除操作，并擦除所述幻灯片播放界面与所述擦除操作对应的内容。
  4. 根据权利要求2所述的方法，其特征在于，所述控制界面中还显示有辅助窗口；所述方法还包括：
    接收作用于所述控制界面的辅助窗口的辅助指令，所述辅助指令包括放大指令和/或书写指令；
    当所述辅助指令为放大指令时，接收作用于所述幻灯片播放界面的选取操作，并将所述选取操作选择的内容进行放大显示；
    当所述辅助指令为书写指令时，显示书写界面并接收作用于所述书写界面的书写操作，根据所述书写操作生成对应内容在所述书写界面显示。
  5. 根据权利要求4所述的方法，其特征在于，所述模式切换窗口、辅助窗口设置为同窗口显示或隐藏。
  6. 一种幻灯片播放控制装置，其特征在于，包括：
    界面显示模块，用于在幻灯片播放界面上显示控制界面，所述控制界面中显示与幻灯片页面对应的缩略图；
    指令获取模块，用于接收作用于所述缩略图的切换指令；
    页面切换模块，用于响应于所述切换指令，获取所述切换指令作用的缩略图所对应的幻灯片页面，将所述幻灯片播放界面上当前显示的幻灯片页面切换为所述切换指令作用的缩略图对应的幻灯片页面。
  7. 根据权利要求6所述的装置，其特征在于，所述控制界面中还显示有模式切换窗口；所述装置还包括：
    模式切换模块，用于接收作用于所述控制界面的模式切换窗口的模式切换指令，并根据所述模式切换指令切换幻灯片播放模式；
    编辑操作模块，用于在所述幻灯片播放模式下接收相应的编辑操作指令，并根据所述编辑操作指令对所述幻灯片播放界面中显示的幻灯片页面进行编辑操作。
  8. 根据权利要求7所述的装置，其特征在于，所述编辑操作模块包括选择操作模块、批注操作模块和擦除操作模块中的至少一种；
    所述选择操作模块用于当所述幻灯片播放模式为选择模式时，接收作用于所述幻灯片播放界面的选择操作，并在所述幻灯片播放界面突出显示与所述选择操作对应的内容；
    所述批注操作模块用于当所述幻灯片播放模式为批注模式时，接收作用于所述幻灯片播放界面的批注操作，根据所述批注操作生成批注内容并在所述幻灯片播放界面显示；
    所述擦除操作模块用于当所述幻灯片播放模式为擦除模式时，接收作用于所述幻灯片播放界面的擦除操作，并擦除所述幻灯片播放界面与所述擦除操作对应的内容。
  9. 根据权利要求6所述的装置，其特征在于，所述控制界面中还显示有辅助窗口；所述装置还包括：
    指令接收模块，用于接收作用于所述控制界面的辅助窗口的辅助指令，所述辅助指令包括放大指令和/或书写指令；
    辅助操作模块，用于当所述辅助指令为放大指令时，接收作用于所述幻灯片播放界面的选取操作，并将所述选取操作选择的内容进行放大显示；当所述辅助指令为书写指令时，显示书写界面并接收作用于所述书写界面的书写操作，并根据所述书写操作生成对应内容在所述书写界面显示。
  10. 根据权利要求6所述的装置，其特征在于，所述控制界面还设置有结束按钮；所述装置还包括：
    播放控制模块，用于检测是否接收到作用于所述结束按钮的结束播放指令，若是，则关闭所述幻灯片播放界面并关闭所述控制界面。
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