CN105551069B - A kind of real-time generation method and system of thumbnail - Google Patents
A kind of real-time generation method and system of thumbnail Download PDFInfo
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- CN105551069B CN105551069B CN201510893767.6A CN201510893767A CN105551069B CN 105551069 B CN105551069 B CN 105551069B CN 201510893767 A CN201510893767 A CN 201510893767A CN 105551069 B CN105551069 B CN 105551069B
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- China
- Prior art keywords
- attaching area
- colour attaching
- color
- color value
- palette
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/001—Texturing; Colouring; Generation of texture or colour
Abstract
The invention discloses the real-time generation methods and system of a kind of thumbnail, are related to pictograph field.This method：The number of colour attaching area and position of the existing color value in colour attaching area in palette are associated setting by the colour attaching area for obtaining target thumbnail；Obtain the request of colour attaching area variation color；Obtain the position B in palette with the associated color value of number of colour attaching area A in request；The RGB color sequence of colour attaching area A is adjusted according to the picture/mb-type of target index picture and occupies byte number and calculates the color value D of colour attaching area A, is written in the position B of palette, is completed the color transformed of target index picture.The system：Picture analyzing module, palette, relating module, request reception and searching module and calculating writing module.Conversion process efficient quick of the present invention does not cause any change and damage, use scope wide image shape and picture quality.
Description
Technical field
The present invention relates to pictograph field more particularly to the real-time generation methods and system of a kind of thumbnail.
Background technology
In the application of GIS-Geographic Information System class, it is often necessary to conversion process is carried out to image color, especially in layout
Real-time generating process in, efficiently quickly it is color transformed processing it is particularly important.For raster format etc. in computer program
The processing of image file, it is mostly consistent with the man-machine dialogue system method in image processing software, to large area color lump color into
The color to certain pixel adjacent position pixel in image is needed to be compared when row transformation, to decide whether to be become accordingly
It changes.And the efficiency of this comparative analysis process is very low, due to decompress reduction especially in compressed image file, locates
It is just lower to manage efficiency.For this purpose, also there is the solution taken and make more parts of different colors in advance to call at any time, but deposit
The problems such as being difficult to reflect real time data variation and low drawing efficiency.
Invention content
It is existing to solve the purpose of the present invention is to provide the real-time generation method and system of a kind of thumbnail
Foregoing problems present in technology.
To achieve the goals above, the real-time generation method of thumbnail of the present invention, this method include：
S1 obtains the colour attaching area of target thumbnail, the number of colour attaching area and the existing color value in colour attaching area is being mixed colours
Position in plate is associated setting；
S2 obtains the request of colour attaching area variation color；
S3 obtains the position B in palette with the associated color value of number of colour attaching area A in request；
S4 adjusts the RGB color sequence of colour attaching area A according to the picture/mb-type of target index picture and occupies byte number and count
Calculate the color value D of colour attaching area A；
Color value D is written in the position B of palette by S5, completes the color transformed of target index picture.
Preferably, step S1, the number of the colour attaching area is corresponded with position of the color value in palette to be set
It sets.
Preferably, a colour attaching area is endowed unique color value, and a kind of color value can be endowed more than one colour attaching area.
Preferably, further comprising the steps of before step S1：
N color value is arranged in palette block, obtains and stores each for S01, the type according to target index picture
The essential information of color value and its position in palette, the n are more than or equal to 1.
Preferably, the colour attaching area for obtaining target thumbnail is realized by the following method：Utilize image editing software
Target index picture is edited, m colour attaching area of the Target Photo is obtained, the m is more than or equal to 1.
Preferably, the picture/mb-type includes the non-index image file for indexing class image file and producing index class.
It is highly preferred that the picture/mb-type includes png, bmp, jpg, tiff, gif, pcx, tga, exif, fpx, svg,
Psd, cdr, pcd, dxf, ufo, eps, ai, raw.
Preferably, in step s 2, further comprising the steps of：
S21 judges the quantity that the colour attaching area of color change is required in the request of colour attaching area variation color, if quantity is 1,
Then it is directly entered S3；If quantity is more than or equal to 2, the colour attaching area of color change will be needed to be ranked up, subsequently into S21；
S21, judge need color change colour attaching area require variation color value it is whether identical, if it is not the same, then according to
Sequence enters S3；If identical, enter S22；
S22 will be associated, so with position of the associated color value in color value same colored area of variation in palette
After obtaining the wherein number of any one colour attaching area afterwards, into S3.
The invention discloses a kind of system of real-time generation method that realizing the thumbnail, which includes：
Picture analyzing module：Using image editing software editor's target index picture, the m of the target index picture is obtained
A colour attaching area, and colour attaching area is numbered, the m is more than or equal to 1；
Palette：It is responsible for adjusting the quantity of color value according to picture/mb-type and assigns each color value position；
Relating module：The number of colour attaching area is associated with position of the existing color value in colour attaching area in palette and is set
It sets；
Request receives and searching module：The request of colour attaching area variation color is received, and request is analyzed, is searched simultaneously
With position of the associated color value in associated colour attaching area in palette in request；
Calculate writing module：The RGB color sequence of colour attaching area A is adjusted according to the picture/mb-type of target index picture and is occupied
Byte number and the color value D for calculating colour attaching area A, color value D is written in the position B of palette, completes target index picture
It is color transformed.
Preferably, the request receives and searching module includes：
Judgment module one：Judge colour attaching area variation color request in require color change colour attaching area quantity, if
Quantity is 1, obtains the number of colour attaching area in request, then sends result to searching module；It, will if quantity is more than or equal to 2
It needs the colour attaching area of color change to be ranked up, then sends result to judgment module two；
Judgment module two：Judge to need the colour attaching area of color change to require the color value of variation whether identical, if not phase
Together, the number for obtaining colour attaching area in request, then send result to searching module；If identical, restriction is sent result to
Module；
Limit module：It will be closed with position of the associated color value in color value same colored area of variation in palette
Then connection obtains the number of all colour attaching areas in request, finally sends result to searching module；
Searching module：Judgment module one, judgment module two and the number for limiting the colour attaching area that module is sent are obtained, is then looked into
It looks for and position of the associated associated color value in colour attaching area in palette in request.
The beneficial effects of the invention are as follows：
1, conversion process efficient quick, each colour attaching area only need the color value of 3 bytes of write-in；
2, any change and damage are not caused to image shape and picture quality；
3, it is suitable for the color transformed processing of all colours index class image file (BMP, GIF, PNG etc.)；
4, especially suitable in GIS application, real-time distribution figure etc. automatically generates.
Description of the drawings
Fig. 1 is the real-time generation method flow diagram of the thumbnail；
Fig. 2 is the real-time generation system structure diagram of the thumbnail；
Fig. 3 is the structural schematic diagram that request receives with searching module described in Fig. 2.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, below in conjunction with attached drawing, to the present invention into
Row is further described.It should be appreciated that the specific embodiments described herein are only used to explain the present invention, it is not used to
Limit the present invention.
Embodiment
Referring to Fig.1, the real-time generation method of thumbnail described in the present embodiment, this method include：
S1 obtains the colour attaching area of target thumbnail, the number of colour attaching area and the existing color value in colour attaching area is being mixed colours
Position in plate is associated setting；
S2 obtains the request of colour attaching area variation color；
S3 obtains the position B in palette with the associated color value of number of colour attaching area A in request；
S4 adjusts the RGB color sequence of colour attaching area A according to the picture/mb-type of target index picture and occupies byte number and count
Calculate the color value D of colour attaching area A；
Color value D is written in the position B of palette by S5, completes the color transformed of target index picture.In more detail
It illustrates：
(1) number of step S1, the colour attaching area are arranged in a one-to-one correspondence with position of the color value in palette.
One colour attaching area is endowed unique color value, and a kind of color value can be endowed more than one colour attaching area.
(2) further comprising the steps of before step S1：
N color value is arranged in palette block, obtains and stores each for S01, the type according to target index picture
The essential information of color value and its position in palette, the n are more than or equal to 1.
(3) colour attaching area for obtaining target thumbnail is realized by the following method：Utilize image editing software editor
Target index picture, obtains m colour attaching area of the Target Photo, and the m is more than or equal to 1.
(4) picture/mb-type includes the non-index image file for indexing class image file and producing index class.More
The picture/mb-type of body includes：Png, bmp, jpg, tiff, gif, pcx, tga, exif, fpx, svg, psd, cdr, pcd,
Dxf, ufo, eps, ai, raw.
(5) in step s 2, further comprising the steps of：
S21 judges the quantity that the colour attaching area of color change is required in the request of colour attaching area variation color, if quantity is 1,
Then it is directly entered S3；If quantity is more than or equal to 2, the colour attaching area of color change will be needed to be ranked up, subsequently into S21；
S21, judge need color change colour attaching area require variation color value it is whether identical, if it is not the same, then according to
Sequence enters S3；If identical, enter S22；
S22 will be associated, so with position of the associated color value in color value same colored area of variation in palette
After obtaining the wherein number of any one colour attaching area afterwards, into S3.
A kind of system of real-time generation method that realizing thumbnail as described embodiments, the system include：
Picture analyzing module：Using image editing software editor's target index picture, the m of the target index picture is obtained
A colour attaching area, and colour attaching area is numbered, the m is more than or equal to 1；
Palette：It is responsible for adjusting the quantity of color value according to picture/mb-type and assigns each color value position；
Relating module：The number of colour attaching area is associated with position of the existing color value in colour attaching area in palette and is set
It sets；
Request receives and searching module：The request of colour attaching area variation color is received, and request is analyzed, is searched simultaneously
With position of the associated color value in associated colour attaching area in palette in request；
Calculate writing module：The RGB color sequence of colour attaching area A is adjusted according to the picture/mb-type of target index picture and is occupied
Byte number and the color value D for calculating colour attaching area A, color value D is written in the position B of palette, completes target index picture
It is color transformed.
Wherein, the request receives and searching module includes：
Judgment module one：Judge colour attaching area variation color request in require color change colour attaching area quantity, if
Quantity is 1, obtains the number of colour attaching area in request, then sends result to searching module；It, will if quantity is more than or equal to 2
It needs the colour attaching area of color change to be ranked up, then sends result to judgment module two；
Judgment module two：Judge to need the colour attaching area of color change to require the color value of variation whether identical, if not phase
Together, the number for obtaining colour attaching area in request, then send result to searching module；If identical, restriction is sent result to
Module；
Limit module：It will be closed with position of the associated color value in color value same colored area of variation in palette
Then connection obtains the number of all colour attaching areas in request, finally sends result to searching module；
Searching module：Judgment module one, judgment module two and the number for limiting the colour attaching area that module is sent are obtained, is then looked into
It looks for and position of the associated associated color value in colour attaching area in palette in request.
By using above-mentioned technical proposal disclosed by the invention, following beneficial effect has been obtained：Conversion process is efficiently fast
Victory, each colour attaching area only need the color value of 3 bytes of write-in；Any change and damage are not caused to image shape and picture quality；
Color transformed processing suitable for all colours index class image file (BMP, GIF, PNG etc.)；Especially suitable for geography information
In system application, real-time distribution figure etc. automatically generates.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
Depending on protection scope of the present invention.
Claims (10)
1. a kind of real-time generation method of thumbnail, which is characterized in that this method includes：
S1 obtains the colour attaching area of target thumbnail, by the number of colour attaching area and the existing color value in colour attaching area in palette
Position be associated setting；
S2 obtains the request of colour attaching area variation color；
S3 obtains the position B in palette with the associated color value of number of colour attaching area A in request；
S4 adjusts the RGB color sequence of colour attaching area A according to the picture/mb-type of target index picture and occupies byte number and calculate
The color value D of color area A；
Color value D is written in the position B of palette by S5, completes the color transformed of target index picture.
2. method according to claim 1, which is characterized in that step S1, the number of the colour attaching area exist with the color value
Position in palette is arranged in a one-to-one correspondence.
3. method according to claim 1, which is characterized in that a colour attaching area is endowed unique color value, a kind of color value
More than one colour attaching area can be endowed.
4. method according to claim 1, which is characterized in that further comprising the steps of before step S1：
N color value is arranged in palette block, obtains and stores each color for S01, the type according to target index picture
The essential information of value and its position in palette, the n are more than or equal to 1.
5. method according to claim 1, which is characterized in that the colour attaching area for obtaining target thumbnail is according to following sides
Method is realized：Using image editing software editor's target index picture, m colour attaching area of the Target Photo is obtained, the m is more than
Equal to 1.
6. method according to claim 1, which is characterized in that the picture/mb-type includes index class image file and produces
Index the non-index image file of class.
7. method according to claim 6, which is characterized in that the picture/mb-type includes png, bmp, jpg, tiff, gif,
Pcx, tga, exif, fpx, svg, psd, cdr, pcd, dxf, ufo, eps, ai, raw.
8. method according to claim 1, which is characterized in that in step s 2, further comprising the steps of：
S21 judges the quantity that the colour attaching area of color change is required in the request of colour attaching area variation color, if quantity is 1, directly
It taps into S3；If quantity is more than or equal to 2, the colour attaching area of color change will be needed to be ranked up, subsequently into S21；
S21, judge need color change colour attaching area require variation color value it is whether identical, if it is not the same, then sequentially into
Enter S3；If identical, enter S22；
S22 will be associated with position of the associated color value in color value same colored area of variation in palette, then obtain
After taking the wherein number of any one colour attaching area, into S3.
9. a kind of system for realizing the real-time generation method of thumbnail as described in claim 1-7 any one, special
Sign is that the system includes：
Picture analyzing module：Using image editing software editor's target index picture, m of the target index picture are obtained
Color area, and colour attaching area is numbered, the m is more than or equal to 1；
Palette：It is responsible for adjusting the quantity of color value according to picture/mb-type and assigns each color value position；
Relating module：The number of colour attaching area and position of the existing color value in colour attaching area in palette are associated setting；
Request receives and searching module：The request of colour attaching area variation color is received, and request is analyzed, while searching and asking
Ask position of the associated color value in associated colour attaching area in palette；
Calculate writing module：The RGB color sequence of colour attaching area A is adjusted according to the picture/mb-type of target index picture and occupies byte
The color value D for counting and calculating colour attaching area A, color value D is written in the position B of palette, completes the color of target index picture
Color conversion.
10. system according to claim 9, which is characterized in that the request receives and searching module includes：
Judgment module one：Judge colour attaching area variation color request in require color change colour attaching area quantity, if quantity
It is 1, obtains the number of colour attaching area in request, then send result to searching module；If quantity is more than or equal to 2, will need
The colour attaching area of color change is ranked up, and then sends result to judgment module two；
Judgment module two：Judge to need the colour attaching area of color change to require the color value of variation whether identical, if it is not the same, obtaining
The number for taking colour attaching area in request, then send result to searching module；If identical, restriction module is sent result to；
Limit module：It will be associated with position of the associated color value in color value same colored area of variation in palette,
Then the number for obtaining all colour attaching areas in request, finally sends result to searching module；
Searching module：Obtain judgment module one, judgment module two and limit module send colour attaching area number, then search with
Position of the associated associated color value in colour attaching area in palette in request.
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| CN201510893767.6A CN105551069B (en) | 2015-11-30 | 2015-11-30 | A kind of real-time generation method and system of thumbnail |
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| CN108776982A (en) * | 2018-05-31 | 2018-11-09 | 苏州蜗牛数字科技股份有限公司 | A kind of display methods based on palette compressed picture |
| CN108986180B (en) * | 2018-06-07 | 2022-09-16 | 创新先进技术有限公司 | Palette generation method and device and electronic equipment |
| CN115457167B (en) * | 2022-09-21 | 2023-06-09 | 山东大学 | Palette design system based on color sorting |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177172A (en) * | 1996-06-29 | 1998-03-25 | 三星电子株式会社 | Sub-picture restoring method and apparatus in digital versatile disk system |
| US6819793B1 (en) * | 2000-06-30 | 2004-11-16 | Intel Corporation | Color distribution for texture and image compression |
| CN1568483A (en) * | 2001-10-11 | 2005-01-19 | 国际商业机器公司 | Color bitmap normalization |
| CN102289497A (en) * | 2011-08-22 | 2011-12-21 | 上海梅花信息有限公司 | Document preview image generating system and method |
| CN102523367A (en) * | 2011-12-29 | 2012-06-27 | 北京创想空间商务通信服务有限公司 | Real-time image compression and reduction method based on plurality of palettes |
| CN102881026A (en) * | 2012-08-15 | 2013-01-16 | 大连理工大学 | Palette device and generation method for image with transparency information |
| CN103209326A (en) * | 2013-03-29 | 2013-07-17 | 惠州学院 | PNG (Portable Network Graphic) image compression method |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI317914B (en) * | 2006-08-03 | 2009-12-01 | Via Tech Inc | Color-displayed method, color-changed method and apparatus thereof |
| JP4978348B2 (en) * | 2006-09-08 | 2012-07-18 | コニカミノルタビジネステクノロジーズ株式会社 | Image processing system and image processing method |
-
2015
- 2015-11-30 CN CN201510893767.6A patent/CN105551069B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1177172A (en) * | 1996-06-29 | 1998-03-25 | 三星电子株式会社 | Sub-picture restoring method and apparatus in digital versatile disk system |
| US6819793B1 (en) * | 2000-06-30 | 2004-11-16 | Intel Corporation | Color distribution for texture and image compression |
| CN1568483A (en) * | 2001-10-11 | 2005-01-19 | 国际商业机器公司 | Color bitmap normalization |
| CN102289497A (en) * | 2011-08-22 | 2011-12-21 | 上海梅花信息有限公司 | Document preview image generating system and method |
| CN102523367A (en) * | 2011-12-29 | 2012-06-27 | 北京创想空间商务通信服务有限公司 | Real-time image compression and reduction method based on plurality of palettes |
| CN102881026A (en) * | 2012-08-15 | 2013-01-16 | 大连理工大学 | Palette device and generation method for image with transparency information |
| CN103209326A (en) * | 2013-03-29 | 2013-07-17 | 惠州学院 | PNG (Portable Network Graphic) image compression method |
Non-Patent Citations (4)
| Title |
|---|
| 《C++Builder环境下调色板的使用》;童韬等;《现代计算机（专业版）》;20010430(第4期);全文 * |
| 《一种使用调色板的图像颜色量化设计》;支建伟;《中国有线电视》;20040229(第2期);全文 * |
| 《用VC实现位图文件处理》;卢强等;《电子技术》;20110831(第8期);全文 * |
| 《面向视觉的调色板技术》;周经伦等;《微型机与应用》;19950607(第6期);全文 * |
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