CN102184094B - Method used for realizing auxiliary operation in PPT courseware playing process - Google Patents
Method used for realizing auxiliary operation in PPT courseware playing process Download PDFInfo
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- CN102184094B CN102184094B CN201010176621.7A CN201010176621A CN102184094B CN 102184094 B CN102184094 B CN 102184094B CN 201010176621 A CN201010176621 A CN 201010176621A CN 102184094 B CN102184094 B CN 102184094B
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Abstract
The invention relates to a method used for realizing auxiliary operation in PPT courseware playing process and applied to the field of teaching auxiliary software. During the current PPT courseware teaching process, drawing, annotation and other methods are needed for auxiliary explanation, but the operation of clicking the mouse on PPT can cause turning to the teaching content of a next page, therefore, auxiliary operations such as annotation, drawing, emphasis and the like can not be conducted, and the teaching content is confused and the thinking of the teacher is disordered due to page turning, thus causing low teaching quality. For the method used for realizing auxiliary operation during the PPT courseware playing process, a transparent glass layer is added on the PPT courseware, a picture layer is arranged on the glass layer, page turning is realized through the upturning and downturning buttons arranged on the glass layer, and the drawing and a deleting button on the glass layer are used for realizing auxiliary operation on the picture layer.
Description
Technical field
The present invention relates to Teaching Aid Software field, relate in particular to a kind of method that realizes non-productive operation in PPT courseware playing process of applying in teaching.
Background technology
Modernizing teaching adopts the mode of PPT courseware to give lessons more, the e-courses teaching notes that teacher writes on the one hand can be preserved by permanence, and revise, renewal speed is fast, assistant makes course explanation more lively in modes such as animation, flash, video, audio frequency, adopt on the other hand Digital Teaching, make teaching to no paper, without efflorescence office, low-carbon environment-friendly.
But in online explanation courseware process, need to assist explanation by modes such as picture, annotations.At this time on PPT, crawl mouse can cause and translate into lower one page content of courses, the non-productive operation such as not only can not annotate, draw, emphasize, also, because need upper and lower page turning cause teaching content confused, upsets teacher's thinking, causes quality of instruction low.
Summary of the invention
The object of the present invention is to provide a kind of method that realizes non-productive operation in PPT courseware playing process that does not affect the broadcasting of PPT courseware, can carry out again non-productive operation in playing process.
To achieve these goals, the technical solution used in the present invention is as follows:
The method that realizes non-productive operation in PPT courseware playing process of the present invention, comprises following steps:
S01: a transparent glassy layer is set above the broadcasting pictures of PPT courseware;
S02: upper and lower page-turning button is set on described glassy layer, controls the page turning up and down of described PPT courseware, and carry out non-productive operation on described glassy layer.
Preferably, described glassy layer arranges by the following method:
S11: call an embedded form control;
S12: design a transparent color processing method, redraw described form control by calling the method realization, realize described form control transparent effect; Preferred, described transparent color processing method is: set fill area attribute and the background attribute of described form control, R value, G value, B value in alpha channel under this attribute are made as to 0.
S13: it is described glassy layer that this control is set.
Preferably, the non-productive operation of carrying out in described S02 step comprises the following steps:
S21: capturing current PPT courseware image information is a pictures;
Preferred, the current PPT courseware of described crawl image information utilizes Microsoft's Basic API function to realize;
S22: call Graphics Control and the image attribute of described Graphics Control is set, the described current PPT courseware image information picture grabbing is loaded as its Background;
Preferred, described Graphics Control is PictureBox Graphics Control.
S23: described Graphics Control is set to picture layer, is routed on described glassy layer, and carries out non-productive operation on described picture layer;
S24: preserving non-productive operation information and background information is that stream file is in buffer memory;
S25: as need be again carried out non-productive operation on this PPT page, Graphics Control calls the stream file information in buffer memory, and the Image attribute of Graphics Control is set, loads stream file information as its Background, upgrades picture layer background information;
S26: proceed non-productive operation at picture layer;
S27: as need on this PPT page, again carry out non-productive operation and retain before non-productive operation information, according to step S24-S26, constantly update stream file information, load stream file information and form new picture layer background, the rest may be inferred, until complete all non-productive operations that need to be presented on the same page;
S28: as need again on the PPT page, carry out non-productive operation do not need retain before non-productive operation information or on a new PPT page, carry out non-productive operation, repeating step S21-S27.
Preferred, on described glassy layer, reset button is set, be used for removing the non-productive operation information on described each picture layer.When needs re-start non-productive operation, click described reset button, by the non-productive operation erasing of information on described each picture layer, then re-start non-productive operation.
Preferred, drawing button is set on described glassy layer, be used for triggering described non-productive operation flow process.
Beneficial effect of the present invention is as follows:
The method that realizes non-productive operation in PPT courseware playing process of the present invention adopts " glassy layer " technology and " picture layer drawing " technology, not only solve and the non-productive operation problem such as once annotate, draw, emphasize, can realize multi-pass operations simultaneously, do not cover original drawing effect, and realize DYNAMIC DRAWING process.
Accompanying drawing explanation
Fig. 1 is the process flow diagram that glassy layer step is set in the method that realizes non-productive operation in PPT courseware playing process of the present invention;
Fig. 2 is the process flow diagram that carries out non-productive operation in the method for non-productive operation of realizing in PPT courseware playing process of the present invention.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is further described.
The method that realizes non-productive operation in PPT courseware playing process of the present invention first need to arrange a glassy layer on original PPT courseware, and the button of controlling the upper and lower page turning of PPT courseware is set on glassy layer, then on glassy layer, carries out non-productive operation.In to courseware operating process, user sees through " glassy layer " and watches courseware demonstration, just before standing in window, see outdoor landscape, when row non-productive operations such as need to entering to draw to the content in courseware, annotate, emphasize is explained, as long as in transparent " on glass " operation, neither can click PPT, cause explanation content confused, do not affect again existing operation, lively explanation that can also both pictures and texts are excellent, improves Classroom Teaching.Referring to accompanying drawing 1, the setting of glassy layer is by calling an embedded form control, by revising background attribute, the fill area attribute of described control, redraw form control, obtaining transparent glassy layer.
In explanation PPT courseware process, need the Multiple Combination of non-productive operations such as drawing, annotate, emphasize.Because drawing is mode by ceaselessly refreshing the page demonstration that realizes figure or image, but existing technology is in redraw process, there will be Plot Work above capped, and can not reach the effect of multiple drawing, and can not manifest the effect of DYNAMIC DRAWING.In order to address this problem, the present invention adopts " picture layer drawing " technology.This technology gets the display effect before operation at every turn as the new layer of a picture, and is set to picture layer and is routed to above glassy layer and again draws, thereby realizes repeatedly the function that picture layer is drawn.Specifically, referring to accompanying drawing 2, during drawing, first utilize Microsoft's Basic API function to capture the current picture of PPT, and described current PPT courseware image information is embedded into a PictureBox Graphics Control; The image attribute that described PictureBox draws is set, the described current PPT courseware image information grabbing is loaded as its Background.Then, described PictureBox Graphics Control is set to picture layer, is routed on described glassy layer, and carries out non-productive operation on described picture layer, and background picture information is preserved into stream file to buffer memory with non-productive operation information; As need on this PPT page, again carry out non-productive operation and retain before non-productive operation information, call cache flow fileinfo, Graphics Control background Image attribute is set, upgrade background picture, on this Graphics Control, continue non-productive operation, the rest may be inferred, until complete all non-productive operations that need to be presented on the same page; As need again on the PPT page, carry out non-productive operation do not need retain before non-productive operation information or on a new PPT page, carry out non-productive operation, above-mentioned steps.
Like this, adopt picture layer to realize DYNAMIC DRAWING, adopt and constantly capture current display frame, and using this picture as operation background, realize repeatedly and drawing.
Claims (7)
1. the method that realizes non-productive operation in PPT courseware playing process, is characterized in that: comprise following steps:
S01: a transparent glassy layer is set above the broadcasting pictures of PPT courseware;
S02: upper and lower page-turning button is set on described glassy layer, controls the page turning up and down of described PPT courseware;
On described glassy layer, reset button is set, is used for removing the non-productive operation information on picture layer;
Drawing button is set on described glassy layer, is used for triggering the flow process of described non-productive operation;
S03 a: picture layer is set on described glassy layer, and carries out non-productive operation on described picture layer.
2. the method that realizes non-productive operation in PPT courseware playing process according to claim 1, is characterized in that: described glassy layer arranges by the following method:
S11: call an embedded form control;
S12: design a transparent color processing method, redraw described form control by calling the method realization, realize described form control transparent effect;
S13: it is described glassy layer that this control is set.
3. the method that realizes non-productive operation in PPT courseware playing process according to claim 2, it is characterized in that: described transparent color processing method is: set fill area attribute and the background attribute of described form control, R value, G value, B value in alpha channel under described fill area attribute and described background attribute are made as to 0.
4. the method that realizes non-productive operation in PPT courseware playing process according to claim 1, is characterized in that: the non-productive operation of carrying out in described S03 step comprises the following steps:
S21: capturing current PPT courseware image information is a pictures;
S22: call Graphics Control and the image attribute of described Graphics Control is set, the described current PPT courseware image information picture grabbing is loaded as its Background;
S23: described Graphics Control is set to described picture layer, is routed on described glassy layer, and carries out non-productive operation on described picture layer;
S24: preserving non-productive operation information and background information is that stream file is in buffer memory;
S25: as need be again carried out non-productive operation on this PPT page, Graphics Control calls the stream file information in buffer memory, and the Image attribute of Graphics Control is set, loads stream file information as its Background, upgrades picture layer background information;
S26: proceed non-productive operation at picture layer;
S27: as need on this PPT page, again carry out non-productive operation and retain before non-productive operation information, according to step S24-S26, constantly update stream file information, load stream file information and form new picture layer background, the rest may be inferred, until complete all non-productive operations that need to be presented on the same page;
S28: as need again on the PPT page, carry out non-productive operation do not need retain before non-productive operation information or on a new PPT page, carry out non-productive operation, repeating step S21-S27.
5. the method that realizes non-productive operation in PPT courseware playing process according to claim 4, is characterized in that: the current PPT courseware of described crawl image information utilizes Microsoft's Basic API function to realize.
6. the method that realizes non-productive operation in PPT courseware playing process according to claim 4, is characterized in that: described Graphics Control is PictureBox Graphics Control.
7. the method that realizes non-productive operation in PPT courseware playing process according to claim 1, is characterized in that: carry out non-productive operation on described picture layer after:
S03: when needs re-start non-productive operation, click described reset button, by the non-productive operation erasing of information on described picture layer, then re-start non-productive operation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010176621.7A CN102184094B (en) | 2010-05-19 | 2010-05-19 | Method used for realizing auxiliary operation in PPT courseware playing process |
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| CN201010176621.7A CN102184094B (en) | 2010-05-19 | 2010-05-19 | Method used for realizing auxiliary operation in PPT courseware playing process |
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| CN102184094B true CN102184094B (en) | 2014-05-07 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105468367A (en) * | 2015-11-19 | 2016-04-06 | 天脉聚源（北京）教育科技有限公司 | PPT file playing method and device |
| CN108268520B (en) * | 2016-12-30 | 2021-03-12 | 亿度慧达教育科技（北京）有限公司 | Courseware control method and device and online course live broadcast system |
| CN106909300A (en) * | 2017-02-08 | 2017-06-30 | 福建天泉教育科技有限公司 | A kind of touch screen click recognition method and system |
| CN107562781A (en) * | 2017-07-24 | 2018-01-09 | 杭州博世数据网络有限公司 | A kind of teaching method based on webpage |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790336A (en) * | 2005-12-20 | 2006-06-21 | 无锡永中科技有限公司 | Document display method |
| CN101034335A (en) * | 2007-04-13 | 2007-09-12 | 珠海金山软件股份有限公司 | Device for implementing broadcast control in diapositive demonstration view |
| CN101401098A (en) * | 2006-01-30 | 2009-04-01 | 法斯特凯特有限公司 | A portable dataport device and method for retrieving, inter-relating, annotating and managing electronic documents at a point of need |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1790336A (en) * | 2005-12-20 | 2006-06-21 | 无锡永中科技有限公司 | Document display method |
| CN101401098A (en) * | 2006-01-30 | 2009-04-01 | 法斯特凯特有限公司 | A portable dataport device and method for retrieving, inter-relating, annotating and managing electronic documents at a point of need |
| CN101034335A (en) * | 2007-04-13 | 2007-09-12 | 珠海金山软件股份有限公司 | Device for implementing broadcast control in diapositive demonstration view |
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