CN105551069A - Method and system for real-time rapid generation of index image - Google Patents
Method and system for real-time rapid generation of index image Download PDFInfo
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- CN105551069A CN105551069A CN201510893767.6A CN201510893767A CN105551069A CN 105551069 A CN105551069 A CN 105551069A CN 201510893767 A CN201510893767 A CN 201510893767A CN 105551069 A CN105551069 A CN 105551069A
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- attaching area
- color value
- colour attaching
- colour
- color
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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 a method and system for real-time rapid generation of an index image, and relates to the field of image texts. The method includes the steps of: obtaining a coloring area of a target index image, and performing association setting on the serial number of the coloring area and the position of an existing color value of the coloring area on a pallet; obtaining a request for a color change of the coloring area; obtaining the position B of the color value associated with the serial number of the coloring area A in the request; adjusting an RGB color sequence and the number of occupied bytes of the coloring area A according to the picture type of a target index picture and calculating a color value D of the coloring area A, and writing the color value D in the position B of the pallet, thereby completing color conversion of the target index picture. The system comprises a picture analysis module, a pallet, an associate module, a request receiving and query module and a calculation and writing-in module. The method and system for real-time rapid generation of an index image are efficient and rapid in conversion processing, do not cause any change or damage to the image shape and image quality, and are wide in range of application.
Description
Technical field
The present invention relates to pictograph field, particularly relate to a kind of generation method and system real-time of thumbnail.
Background technology
In the application of Geographic Information System class, often need to carry out conversion process to image color, particularly in the real-time generative process of layout, efficiently color transformed process is particularly important fast.For the process of the image files such as raster format in computer program, mostly consistent with the man-machine dialogue system method in image processing software, need when converting large area color lump color to compare the color of certain pixel adjacent position pixel in image, to determine whether convert accordingly.And the efficiency of this comparative analysis process is very low, particularly in compressed image file due to the reduction that will decompress, its treatment effeciency is just lower.For this reason, also have and take to make many parts of different colors in advance so that the solution called at any time, but existence is difficult to the change of reflection real time data and the low inferior problem of drawing efficiency.
Summary of the invention
The object of the present invention is to provide a kind of generation method and system real-time of thumbnail, thus solve the foregoing problems existed in prior art.
To achieve these goals, the generation method real-time of thumbnail of the present invention, the method comprises:
S1, obtains the colour attaching area of target thumbnail, is carried out associating in the position of existing to the numbering of colour attaching area and colour attaching area color value in palette arranging;
S2, obtains the request of colour attaching area changes colour;
S3, obtains the position B of color value in palette associated with the numbering of colour attaching area A in request;
S4, according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A;
S5, is written to color value D in the position B of palette, completes the color transformed of target index picture.
Preferably, step S1, the numbering of described colour attaching area and the described color value position one_to_one corresponding in palette is arranged.
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:
S01, the type according to target index picture arranges n color value in palette block, and obtain and the essential information storing each color value and its position in palette, described n is more than or equal to 1.
Preferably, the colour attaching area of described acquisition target thumbnail realizes by the following method: utilize image editing software compiling objective index picture, and obtain m colour attaching area of described Target Photo, described m is more than or equal to 1.
Preferably, described picture/mb-type comprises index class image file and can the non-index image file of generating indexes class.
More preferably, described picture/mb-type comprises 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 of the colour attaching area requiring color to change in the request of colour attaching area changes colour, if quantity is 1, then directly enters S3; If quantity is more than or equal to 2, is then sorted in the colour attaching area needing color to change, then enter S21;
S21, judges that the colour attaching area needing color to change requires that whether the color value of change is identical, if not identical, then sequentially enters S3; If identical, then enter S22;
S22, associates the position of color value in palette associated with the color value same colored district of change, after then obtaining the numbering of wherein any one colour attaching area, enters S3.
The invention discloses a kind of system realizing the method that generates real-time of described thumbnail, this system comprises:
Picture analyzing module: utilize image editing software compiling objective index picture, obtain m colour attaching area of described target index picture, and be numbered colour attaching area, described m is more than or equal to 1;
Palette: be responsible for the quantity according to picture/mb-type adjustment color value and each color value position of imparting;
Relating module: the position of existing to the numbering of colour attaching area and colour attaching area color value in palette is carried out associating arrange;
Request receiving and search module: the request receiving colour attaching area changes colour, and request is analyzed, search simultaneously with ask in the position of color value in palette that associate, the colour attaching area that associates;
Calculate writing module: according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A, color value D is written in the position B of palette, completes the color transformed of target index picture.
Preferably, described request receives and searches module and comprises:
Judge module one: the quantity judging the colour attaching area requiring color to change in the request of colour attaching area changes colour, and result is sent to search module or judge module two;
Judge module two: judge need color change colour attaching area require change color value whether identical, and result is sent to search module or restriction module;
Limit module: associated the position of color value in palette associated with the color value same colored district of change, then obtain the numbering of wherein any one colour attaching area, then result sent to and search module;
Search module: the numbering obtaining the colour attaching area that judge module one, judge module two and restriction module send, then search the position B of color value in palette associated with the numbering of described colour attaching area A.
The invention has the beneficial effects as follows:
1, conversion process efficient quick, each colour attaching area only needs the color value of write 3 byte;
2, any change and infringement are not caused to picture shape and picture quality;
3, the color transformed process of all colours index class image file (BMP, GIF, PNG etc.) is applicable to;
4, be specially adapted in GIS application, the automatic generation of real-time distribution figure etc.
Accompanying drawing explanation
Fig. 1 is the method flow of the generation real-time schematic diagram of described thumbnail;
Fig. 2 is the structural representation of generation system real-time of described thumbnail;
Fig. 3 is request receiving described in Fig. 2 and the structural representation searching module.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with accompanying drawing, the present invention is further elaborated.Should be appreciated that embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment
With reference to Fig. 1, the generation method real-time of thumbnail described in the present embodiment, the method comprises:
S1, obtains the colour attaching area of target thumbnail, is carried out associating in the position of existing to the numbering of colour attaching area and colour attaching area color value in palette arranging;
S2, obtains the request of colour attaching area changes colour;
S3, obtains the position B of color value in palette associated with the numbering of colour attaching area A in request;
S4, according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A;
S5, is written to color value D in the position B of palette, completes the color transformed of target index picture.More detailed explanation illustrates:
(1) step S1, the numbering of described colour attaching area and the described color value position one_to_one corresponding in palette is arranged.
A 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:
S01, the type according to target index picture arranges n color value in palette block, and obtain and the essential information storing each color value and its position in palette, described n is more than or equal to 1.
(3) colour attaching area of described acquisition target thumbnail realizes by the following method: utilize image editing software compiling objective index picture, and obtain m colour attaching area of described Target Photo, described m is more than or equal to 1.
(4) described picture/mb-type comprises index class image file and can the non-index image file of generating indexes class.Described picture/mb-type comprises more specifically: 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 of the colour attaching area requiring color to change in the request of colour attaching area changes colour, if quantity is 1, then directly enters S3; If quantity is more than or equal to 2, is then sorted in the colour attaching area needing color to change, then enter S21;
S21, judges that the colour attaching area needing color to change requires that whether the color value of change is identical, if not identical, then sequentially enters S3; If identical, then enter S22;
S22, associates the position of color value in palette associated with the color value same colored district of change, after then obtaining the numbering of wherein any one colour attaching area, enters S3.
Realize a system for the method that generates real-time of thumbnail as described embodiments, this system comprises:
Picture analyzing module: utilize image editing software compiling objective index picture, obtain m colour attaching area of described target index picture, and be numbered colour attaching area, described m is more than or equal to 1;
Palette: be responsible for the quantity according to picture/mb-type adjustment color value and each color value position of imparting;
Relating module: the position of existing to the numbering of colour attaching area and colour attaching area color value in palette is carried out associating arrange;
Request receiving and search module: the request receiving colour attaching area changes colour, and request is analyzed, search simultaneously with ask in the position of color value in palette that associate, the colour attaching area that associates;
Calculate writing module: according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A, color value D is written in the position B of palette, completes the color transformed of target index picture.
Wherein, described request receives and searches module and comprises:
Judge module one: the quantity judging the colour attaching area requiring color to change in the request of colour attaching area changes colour, and result is sent to search module or judge module two;
Judge module two: judge need color change colour attaching area require change color value whether identical, and result is sent to search module or restriction module;
Limit module: associated the position of color value in palette associated with the color value same colored district of change, then obtain the numbering of wherein any one colour attaching area, then result sent to and search module;
Search module: the numbering obtaining the colour attaching area that judge module one, judge module two and restriction module send, then search the position B of color value in palette associated with the numbering of described colour attaching area A.
By adopting technique scheme disclosed by the invention, obtain effect useful as follows: conversion process efficient quick, each colour attaching area only needs the color value of write 3 byte; Any change and infringement are not caused to picture shape and picture quality; Be applicable to the color transformed process of all colours index class image file (BMP, GIF, PNG etc.); Be specially adapted in GIS application, the automatic generation of real-time distribution figure etc.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should look protection scope of the present invention.
Claims (10)
1. a generation method real-time for thumbnail, is characterized in that, the method comprises:
S1, obtains the colour attaching area of target thumbnail, is carried out associating in the position of existing to the numbering of colour attaching area and colour attaching area color value in palette arranging;
S2, obtains the request of colour attaching area changes colour;
S3, obtains the position B of color value in palette associated with the numbering of colour attaching area A in request;
S4, according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A;
S5, is written to color value D in the position B of palette, completes the color transformed of target index picture.
2. method according to claim 1, it is characterized in that, step S1, the numbering of described colour attaching area and the described color value position one_to_one corresponding in palette is arranged.
3. method according to claim 1, it is characterized in that, a colour attaching area is endowed unique color value, and a kind of color value can be endowed more than one colour attaching area.
4. method according to claim 1, is characterized in that, further comprising the steps of before step S1:
S01, the type according to target index picture arranges n color value in palette block, and obtain and the essential information storing each color value and its position in palette, described n is more than or equal to 1.
5. method according to claim 1, it is characterized in that, the colour attaching area of described acquisition target thumbnail realizes by the following method: utilize image editing software compiling objective index picture, and obtain m colour attaching area of described Target Photo, described m is more than or equal to 1.
6. method according to claim 1, is characterized in that, described picture/mb-type comprises index class image file and can the non-index image file of generating indexes class.
7. method according to claim 6, it is characterized in that, described picture/mb-type comprises png, bmp, jpg, tiff, gif, pcx, tga, exif, fpx, svg, psd, cdr, pcd, dxf, ufo, eps, ai, raw.
8. method according to claim 1, is characterized in that, in step s 2, further comprising the steps of:
S21, judges the quantity of the colour attaching area requiring color to change in the request of colour attaching area changes colour, if quantity is 1, then directly enters S3; If quantity is more than or equal to 2, is then sorted in the colour attaching area needing color to change, then enter S21;
S21, judges that the colour attaching area needing color to change requires that whether the color value of change is identical, if not identical, then sequentially enters S3; If identical, then enter S22;
S22, associates the position of color value in palette associated with the color value same colored district of change, after then obtaining the numbering of wherein any one colour attaching area, enters S3.
9. realize a system for the method that generates real-time of thumbnail as described in claim 1-7 any one, it is characterized in that, this system comprises:
Picture analyzing module: utilize image editing software compiling objective index picture, obtain m colour attaching area of described target index picture, and be numbered colour attaching area, described m is more than or equal to 1;
Palette: be responsible for the quantity according to picture/mb-type adjustment color value and each color value position of imparting;
Relating module: the position of existing to the numbering of colour attaching area and colour attaching area color value in palette is carried out associating arrange;
Request receiving and search module: the request receiving colour attaching area changes colour, and request is analyzed, search simultaneously with ask in the position of color value in palette that associate, the colour attaching area that associates;
Calculate writing module: according to the RGB color sequences of the picture/mb-type of target index picture adjustment colour attaching area A with take byte number and calculate the color value D of colour attaching area A, color value D is written in the position B of palette, completes the color transformed of target index picture.
10. system according to claim 9, is characterized in that, described request receives and searches module and comprises:
Judge module one: the quantity judging the colour attaching area requiring color to change in the request of colour attaching area changes colour, and result is sent to search module or judge module two;
Judge module two: judge need color change colour attaching area require change color value whether identical, and result is sent to search module or restriction module;
Limit module: associated the position of color value in palette associated with the color value same colored district of change, then obtain the numbering of wherein any one colour attaching area, then result sent to and search module;
Search module: the numbering obtaining the colour attaching area that judge module one, judge module two and restriction module send, then search the position B of color value in palette associated with the numbering of described colour attaching area A.
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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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| 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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| CN105551069B CN105551069B (en) | 2018-08-14 |
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| CN108986180A (en) * | 2018-06-07 | 2018-12-11 | 阿里巴巴集团控股有限公司 | A kind of generation method of palette, device and electronic equipment |
| CN115457167A (en) * | 2022-09-21 | 2022-12-09 | 山东大学 | Color sorting-based palette design system |
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| CN105551069B (en) | 2018-08-14 |
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