CN101616272B - Method for generating shadow captions based on region - Google Patents
Method for generating shadow captions based on region Download PDFInfo
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- CN101616272B CN101616272B CN200810115771A CN200810115771A CN101616272B CN 101616272 B CN101616272 B CN 101616272B CN 200810115771 A CN200810115771 A CN 200810115771A CN 200810115771 A CN200810115771 A CN 200810115771A CN 101616272 B CN101616272 B CN 101616272B
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Abstract
The embodiment of the invention discloses a method for generating shadow captions based on a region, which comprises the following steps: according to the region, decomposing caption characters into character blocks and decomposing caption shadow into shadow blocks; placing the character blocks and the shadow blocks on different white boards respectively in a unique corresponding mode of texture coordinates; and superposing the white board for placing the character blocks and the white board for placing the shadow blocks so as to generate the shadow captions. The method for generating the shadow captions based on the regions is characterized in that after the white board for placing the character blocks and the white board for placing the shadow blocks are superposed, the method also comprises the step of realizing the stunt of the shadow caption by the movement of the white board for placing the character blocks and the movement of the white board for placing the shadow blocks. The method for generating the shadow captions based on the region achieves the effect of rapidly generating the shadow captions which have various forms.
Description
Technical field
The present invention relates to multimedia technology field, particularly relate to a kind of method that generates shadow captions based on the zone.
Background technology
Video caption commonly used at present generates in the software, and the user can add shade for the literal in the captions, and the caption character behind the interpolation shade has produced a kind of effect of floating, and makes the third dimension of picture, stereovision strengthen.Simultaneously, the interpolation of shade makes that also the lines of caption character are more outstanding, helps captions more observably are presented in spectators at the moment.
In the caption editing device of Premiere, for the design of shade provides special the tool option, the user can also set shadow positions through the service area in the lower left corner in the editing machine as required for captions generate the shades of colour shade.Shade among the Premiere has three kinds of patterns: individual layer, solid, soft.The individual layer shade itself is the graph copying to former caption character, and keeps a definite position relation through position change and former caption character.The shade svelteness is convenient to user's operation.Solid shade then is that literal is linked to each other with straight line with the corresponding points of shade, thereby makes shade and literal be linked to be an integral body.Whole dash area is imbued with texture, gives solid strong sensation.Soft shadows is on the basis of individual layer shade, and dash area has been carried out soft processing, has increased dim sense.Be applicable to warm soft occasion.
Yet, generate in the software at existing video caption, need in same figure, edit caption character and caption shadow, editing process is consuming time longer, and hatching effect is more single.
Summary of the invention
The present invention provides a kind of and generates the method for shadow captions based on the zone, and it is consuming time longer to have solved in the prior art shadow captions editing process, and the more single problem of hatching effect.
For achieving the above object, the embodiment of the invention proposes a kind of method based on zone generation shadow captions, may further comprise the steps:
According to the zone caption character is decomposed into the literal piece, caption shadow is decomposed into shaded block;
Said literal piece is placed into respectively on the different blanks through the unique corresponding mode of texture coordinate with said shaded block;
The blank that the blank and the said shaded block of said literal piece placement are placed superposes, thereby generates shadow captions.
Said niche generates the method for shadow captions in the zone, it is characterized in that, after the said blank that the blank and the shaded block of the placement of literal piece are placed superposes, also comprises:
The motion of the blank of placing through said literal piece and the motion of the blank that said shaded block is placed realize the stunt of shadow captions.
Technical scheme of the present invention has the following advantages, because adopted the method that generates shadow captions based on the zone, thereby, reached quick generation shadow captions, the effect that shadow captions is various informative.
Description of drawings
Fig. 1 is for generating the method flow diagram of shadow captions among the present invention based on the zone;
Fig. 2 is for generating a kind of concrete implementation flow chart of shadow captions among the present invention based on the zone.
Embodiment
Below in conjunction with accompanying drawing and embodiment, specific embodiments of the invention describes in further detail: as shown in Figure 1, for generate the method flow diagram of shadow captions among the present invention based on the zone, may further comprise the steps:
According to the user shadow captions is generated the needs of effect, caption character can be by according to be decomposed into several literal pieces regionally; Correspondingly, caption shadow derives from the processed to caption character, therefore, and also can be by according to be decomposed into several shaded blocks regionally.
Texture coordinate is the pinup picture coordinate again, is the user when the structure blank, adds the information of giving blank.In OPENGL and D3D, (U V) is provided with the texture coordinate of a point, and U is that transverse axis, V are the longitudinal axis to use two 0 to 1 floating point values.The upper left corner of texture is (0,0), and the lower right corner is (1,1).Literal piece and shaded block are placed on the blank that has generated after generating figure.Blank is a kind of editor's element in the caption editing software, in the editor space, does not have the plane rectangle of thickness to represent with one.Each blank size under initial condition is identical, and the position maybe be different, and the position of blank is represented through the space coordinates at blank center.After literal block graphics and shaded block figure are placed on the blank, become the texture on the blank, corresponding one by one through texture coordinate with separately blank.
The literal piece is with after shaded block is placed on the different blanks respectively, and each blank possibly be positioned at the diverse location of space coordinates.When each blank center was placed on the same point of space coordinates, each blank just was superimposed.After the stack, though literal piece and shaded block also on different blanks, because the existence of Alpha passage, can be formed the effect of the shade of word, the result of stack is the generation effect of shadow captions.The Alpha passage is one 8 a gray scale passage, and this passage comes the transparence information in the document image with 256 grades of gray scales, defines transparent, opaque and translucent area, and wherein, black expression full impregnated is bright, representes opaquely in vain, and the ash expression is translucent.
As shown in Figure 2, for generate a kind of concrete implementation flow chart of shadow captions among the present invention based on the zone, may further comprise the steps:
According to the user shadow captions is generated the needs of effect, caption character can be by according to be decomposed into several literal pieces regionally; Correspondingly, caption shadow also can be by according to be decomposed into several shaded blocks regionally.
Literal piece and shaded block are placed on the blank that has generated after generating figure.Each blank size under initial condition is identical, and the position maybe be different.After literal block graphics and shaded block figure are placed on the blank, become the texture on the blank, corresponding one by one through texture coordinate with separately blank.
The literal piece is with after shaded block is placed on the different blanks respectively, and each blank is superimposed, and realizes the mixed effect of caption character and caption shadow.
" stack " speech in the embodiment of the invention can refer to each blank by the identical position difference that becomes in position, and it is identical to refer to that also each blank becomes the position by the position difference.The generation effect of shadow captions realizes changing accordingly according to above-mentioned two kinds of situation.Each blank becomes the position not simultaneously by the position is identical, and the generation effect of shadow captions becomes dispersion by concentrating; Each blank becomes the position when identical by the position difference, and the generation effect of shadow captions is concentrated by disperseing to become.
The motion of the blank that step 204, the motion of the blank of placing through the literal piece and shaded block are placed, the stunt of realization shadow captions.
After the blank stack that blank that the literal piece is placed and shaded block are placed, can carry out motion separately, like stretching, distortion etc.Caption character on the blank and caption shadow are followed blank and are moved together, the shadow captions that realization has various special-effects, and like effects such as phantom, the different shading effect depends on the quantity and the motion mode under the support of stunt module of shade blank.
Technical scheme of the present invention has the following advantages, because adopted the method that generates shadow captions based on the zone, thereby, reached quick generation shadow captions, the effect that shadow captions is various informative.
Through the description of above execution mode, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium, comprise some instructions with so that a station terminal equipment (can be mobile phone, personal computer; Server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be looked protection scope of the present invention.
Claims (1)
1. the method based on zone generation shadow captions is characterized in that, may further comprise the steps:
According to the zone caption character is decomposed into the literal piece, caption shadow is decomposed into shaded block;
Said literal piece is placed into respectively on the different blanks through the unique corresponding mode of texture coordinate with said shaded block;
The blank that the blank and the said shaded block of said literal piece placement are placed superposes, thereby generates shadow captions;
After the said blank that the blank and the shaded block of the placement of literal piece are placed superposes, also comprise:
The motion of the blank of placing through said literal piece and the motion of the blank that said shaded block is placed realize the stunt of shadow captions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115771A CN101616272B (en) | 2008-06-27 | 2008-06-27 | Method for generating shadow captions based on region |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810115771A CN101616272B (en) | 2008-06-27 | 2008-06-27 | Method for generating shadow captions based on region |
Publications (2)
| Publication Number | Publication Date |
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| CN101616272A CN101616272A (en) | 2009-12-30 |
| CN101616272B true CN101616272B (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810115771A Expired - Fee Related CN101616272B (en) | 2008-06-27 | 2008-06-27 | Method for generating shadow captions based on region |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102402789B (en) * | 2010-09-17 | 2014-06-18 | 腾讯科技（深圳）有限公司 | Image drawing method and device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0583101A2 (en) * | 1992-07-29 | 1994-02-16 | Canon Kabushiki Kaisha | Character pattern forming method and apparatus |
| CN1095876A (en) * | 1993-05-25 | 1994-11-30 | 王淑云 | The manufacture method of trick captions advertisement |
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2008
- 2008-06-27 CN CN200810115771A patent/CN101616272B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0583101A2 (en) * | 1992-07-29 | 1994-02-16 | Canon Kabushiki Kaisha | Character pattern forming method and apparatus |
| CN1095876A (en) * | 1993-05-25 | 1994-11-30 | 王淑云 | The manufacture method of trick captions advertisement |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2001-265314A 2001.09.28 |
| JP特开2008-72237A 2008.03.27 |
| JP特开平9-330074A 1997.12.22 |
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| CN101616272A (en) | 2009-12-30 |
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Granted publication date: 20121010 Termination date: 20170627 |