CN115423899B - Automatic color matching method and system for electronic drawing board - Google Patents
Automatic color matching method and system for electronic drawing board Download PDFInfo
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
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Abstract
The invention relates to the technical field of image data processing, in particular to an automatic color matching method and system of an electronic drawing board, comprising the following steps: the control panel is a main control end of the system and is used for sending out control commands; the identification module is used for identifying a line graph drawn on the electronic drawing board by a user; the optimizing module is used for optimizing the resolution ratio of the outer contour line of the drawing line graph on the electronic drawing board; the storage module is used for storing color configuration logic for drawing line patterns on the electronic drawing board; the invention can analyze the line pattern after the user draws the line pattern by using the electronic drawing board, and adopts the logic for collecting the color filling of the user or inputs the color configuration logic before the initial operation of the system to fill the color of the line pattern.
Description
Technical Field
The invention relates to the technical field of image data processing, in particular to an automatic color matching method and system for an electronic drawing board.
Background
The electronic drawing board is a popular electronic product or application program, and a user can identify the moving track to leave lines through the electronic pen or the finger tip touch mode so as to be used for drawing the graph, and the electronic drawing board better replaces paper and the brush to draw the graph, so that on one hand, the resource and the cost for drawing the graph are saved, and on the other hand, the drawing of the image is more instant and convenient.
The existing electronic drawing board needs to be filled with colors manually after drawing the line patterns, the process is time-consuming, color filling variability of creation of the line patterns with large batch similarity is small, if the line patterns are filled manually, the time consumption is long, aesthetic fatigue is very easy to cause for users, and the quality of the filled line patterns is reduced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects existing in the prior art, the invention provides an automatic color matching method and system for an electronic drawing board, which solve the technical problems in the background art.
Technical proposal
In order to achieve the above purpose, the invention is realized by the following technical scheme:
in a first aspect, an electronic palette automatic color matching system comprises:
the control panel is a main control end of the system and is used for sending out control commands;
the identification module is used for identifying a line graph drawn on the electronic drawing board by a user;
the optimizing module is used for optimizing the resolution ratio of the outer contour line of the drawing line graph on the electronic drawing board;
the storage module is used for storing color configuration logic for drawing line patterns on the electronic drawing board;
the region selection module is used for selecting any region in the line graph drawn on the electronic drawing board by a user to carry out manual color filling;
the output module is used for outputting the line graph with the completed color filling and filling color change data of the line graph in the color filling process to the control panel;
the region selection module is used for defining operation times according to users, and the region selection module and operation data of sub-modules thereof are synchronously sent to the storage module.
Still further, the identification module is provided with a sub-module at a lower stage, including:
the construction unit is used for constructing auxiliary virtual lines when the user performs color filling after drawing the lines on the electronic drawing board;
the capturing unit is used for capturing points of a line drawn by a user on the electronic drawing board as extended closed-loop position points of the auxiliary virtual line;
the auxiliary virtual lines constructed by the construction unit are rays or straight lines, the construction unit is also used for drawing line graph surfaces on the electronic drawing board by a user to construct a layer, and the layer is used for hiding the auxiliary virtual lines.
Still further, the optimizing module is provided with a sub-module at a lower level, including:
the zooming unit is used for zooming the line graph drawn on the electronic drawing board by the user;
the calculating unit is used for recording the line bending angle of the line pattern and the initial line pattern size and calculating the ratio of the line pattern size to the line bending angle;
the setting unit is used for setting the area setting of the color filling area after the user zooms the line graph through the zooming unit;
the initial line graph size comprises a line graph outline line drawn by a user.
Furthermore, the setting unit runs through the user setting value, the user setting value is less than the line graph size, the difference value between the line graph size and the user setting value is the line graph outer contour line size, and the configuration of the line graph outer contour line is carried out according to the line graph outer contour line size and the line bending angle.
Furthermore, the color configuration logic for drawing the line graph stored in the storage module is manually input through a user side or is collected in the process of drawing the line graph through an electronic drawing board by a user;
when the color configuration logic for drawing the line graph stored in the storage module is collected by a user in the process of drawing the line graph by the electronic drawing board, the color configuration logic comprises application logic for constructing a layer on the surface of the line graph drawn by the user on the electronic drawing board by the construction unit.
Further, after the operation of the region selection module is finished, filling other unfilled regions of the line graph on the electronic drawing board through color configuration logic;
the region selection module is internally provided with a sub-module, and comprises:
a marking unit for marking the line pattern area filled by the color configuration logic;
the marking unit marks the area without participating in filling the line graph by the color configuration logic when the area selection module runs again.
Further, when the line pattern outline line is configured according to the line pattern outline line size and the line bending angle, the image outline line edge calculation is performed by the following formula:
wherein a represents the area covered by the different elements in the mask when they are aligned to the image point (x, y), wherein the mask is n
n, n is set according to the current resolution;
h is a color component operator;
Still further, the control panel has the identification module through medium electric connection, the identification module next-level has the construction unit and catches the unit through medium electric connection, the identification module has the optimization module through medium electric connection, the optimization module next-level has the scaling unit, calculating unit and sets up the unit through medium electric connection, the optimization module has storage module and regional selection module through medium electric connection, regional selection module is inside to have the marking unit through medium electric connection, regional selection module and marking unit are connected with storage module through medium electric connection, regional selection module has output module through medium electric connection.
In a second aspect, an automatic color matching method for an electronic drawing board includes the following steps:
step 1: recognizing a line graph drawn by a user on an electronic drawing board, and constructing an auxiliary virtual line drawing layer to draw virtual lines on the drawing layer;
step 2: scaling the line graph, calculating the bending angle and graph area proportion of the contour lines in the line graph, and setting the color filling area of the scaled graph area;
step 3: acquiring the size of the outline line of the line graph according to the set color filling area and the calculated proportion;
step 4: configuring a line pattern contour line to wrap a color filling area in the line pattern according to the size of the line pattern contour line;
step 5: editing and inputting the color configuration logic of the line graph of the electronic drawing board; collecting color configuration logic of a user in the process of operating an electronic drawing board to draw line patterns;
step 6: after a user selects any color filling area in a line graph on the electronic drawing board to be manually filled, filling other color filling areas according to color configuration logic;
step 7: and the user independently decides the execution times of the step 6, and after the step 6 is not executed any more, the line graph with the color filled and the execution data of the step 6 are packed and sent to the electronic drawing board for the user to read.
Further, the step 6 of sending the data content to the electronic drawing board in the step 7 includes: and (3) drawing a color filling change area of the line graph, the execution times of the step (6) and the occupation ratio of the color filling change area to all color filling areas in the line graph on the electronic drawing board.
Advantageous effects
Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:
1. the invention provides an automatic color matching system of an electronic drawing board, which can analyze a line pattern after a user draws the line pattern by using the electronic drawing board, adopts logic for collecting color filling of the user or inputs color configuration logic before the initial operation of the system to fill the color of the line pattern.
2. The system can also provide the zoom function of the user on the line graph after the drawn line graph is drawn in the operation process, and further optimizes the resolution of the line graph to a certain extent by taking the zoom function as a basis, so that the line graph is easier to fill when the user manually fills the color filling area for the first time, and the purpose of avoiding uneven filling is achieved.
3. The invention provides an automatic color matching method of an electronic drawing board, which can further maintain the stable operation of a system in the invention by executing steps in the method, and can accurately provide relevant data of a line graph at a user side in the color filling process through color configuration logic by executing the steps so as to facilitate a user to know that the current color configuration logic has defects and assist the user to further optimize the color configuration logic.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is evident that the drawings in the following description are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a schematic diagram of an automatic color matching system for electronic drawing boards;
FIG. 2 is a schematic flow chart of an automatic color matching method of an electronic drawing board;
reference numerals in the drawings represent respectively: 1. a control panel; 2. an identification module; 21. a construction unit; 22. a capturing unit; 3. an optimization module; 31. a scaling unit; 32. a calculation unit; 33. a setting unit; 4. a storage module; 5. a region selection module; 51. a marking unit; 6. and an output module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention is further described below with reference to examples.
Example 1
An automatic color matching system for an electronic drawing board according to this embodiment, as shown in fig. 1, includes:
the control panel 1 is a main control end of the system and is used for sending out control commands;
the recognition module 2 is used for recognizing a line graph drawn on the electronic drawing board by a user;
the optimizing module 3 is used for optimizing the resolution ratio of the outline of the drawn line graph on the electronic drawing board;
the storage module 4 is used for storing color configuration logic for drawing line patterns on the electronic drawing board;
the area selection module 5 is used for selecting any area in the line graph drawn on the electronic drawing board by a user to carry out manual color filling;
an output module 6 for outputting a line pattern with completed color filling and filling color change data of the line pattern in the color filling process to the control panel 1;
the region selection module 5 defines the operation times according to the user, and the region selection module 5 and the sub-module operation data thereof are synchronously sent to the storage module 4.
In this embodiment, when the system is running, the control panel 1 controls the recognition module 2 to recognize the line pattern drawn by the user on the electronic drawing board, then the optimization module 3 optimizes the resolution of the outline line drawn on the electronic drawing board, the storage module 4 stores the color configuration logic of the line pattern drawn on the electronic drawing board to be used by the area selection module 5, after any area of the line pattern drawn on the electronic drawing board by the user is selected to be manually color-filled, the color configuration logic is used to automatically fill, and finally the output module 6 outputs the line pattern with the color filling completed and the filling color change data of the line pattern in the color filling process to the control panel 1.
Example 2
On the aspect of implementation, on the basis of embodiment 1, this embodiment further specifically describes an automatic color matching system for an electronic drawing board in embodiment 1 with reference to fig. 1:
the identification module 2 is provided with a sub-module at a lower stage, including:
a construction unit 21, configured to construct auxiliary ghost lines when a user performs color filling after drawing the lines on the electronic drawing board;
a capturing unit 22, configured to capture a point at which a user draws a line on the electronic drawing board as an extended closed-loop position point of the auxiliary ghost line;
the auxiliary virtual lines constructed by the construction unit 21 are rays or straight lines, the construction unit 21 is further configured to draw a line graph surface construction layer on the electronic drawing board, and the construction layer is configured to hide the auxiliary virtual lines.
Through the arrangement of the sub-modules, the auxiliary color filling lines can be obtained for a user when the color filling of the line patterns is carried out, so that the color filling region of the line patterns can be conveniently segmented.
As shown in fig. 1, the optimizing module 3 is provided with a sub-module at a lower stage, including:
a scaling unit 31 for scaling a line pattern drawn on the electronic drawing board by a user;
a calculating unit 32 for recording the line bending angle of the line pattern and the initial line pattern size, and calculating the ratio of the line pattern size to the line bending angle;
a setting unit 33 for setting an area setting of the color filling area after the user zooms the line pattern by the zooming unit 31;
the initial line graph size comprises a line graph outline line drawn by a user.
As shown in fig. 1, the setting unit 33 runs by a user setting value, the user setting value < the line pattern size, the difference between the line pattern size and the user setting value is the line pattern outline line size, and the configuration of the line pattern outline line is performed according to the line pattern outline line size and the line meandering angle.
Through the sub-module and the arrangement, the outline of the line graph can be effectively optimized, so that the user can manually fill the color filling area of the line graph.
As shown in fig. 1, the color configuration logic for drawing the line pattern stored in the storage module 4 is manually input by a user side or collected during the process of drawing the line pattern by the user through an electronic drawing board;
the color configuration logic for drawing the line pattern stored in the storage module 4 includes application logic for constructing a layer on the surface of the line pattern drawn by the user on the electronic drawing board by the construction unit 21 when the user collects the color configuration logic during the process of drawing the line pattern by the electronic drawing board.
By the arrangement, the diversity of the color configuration logic sources is improved to a certain extent, so that the system has more usable color configuration logic, and the aim of improving the applicability of the system is fulfilled.
As shown in fig. 1, after the operation of the area selection module 5 is finished, filling other unfilled areas of the line graph on the electronic drawing board through color configuration logic;
the region selection module 5 is internally provided with a sub-module including:
a marking unit 51 for marking the line pattern area filled by the color configuration logic;
wherein the marking unit 51 marks the region not to participate in the filling of the line pattern by the color configuration logic when the region selection module 5 is run again.
By the arrangement, the accuracy of color filling of the line graph by the color configuration logic application can be improved, further alternate data support is provided for the color configuration logic, and the color configuration logic in the system can be improved and updated to a certain extent and is better used by users.
As shown in fig. 1, when the line pattern outline line is configured according to the line pattern outline line size and the line meandering angle, the image outline line edge calculation is performed by the following formula:
wherein a represents the area covered by the different elements in the mask when they are aligned to the image point (x, y), wherein the mask is n
n, n is set according to the current resolution;
h is a color component operator;
As shown in fig. 1, the control panel 1 is electrically connected with an identification module 2 through a medium, the lower stage of the identification module 2 is electrically connected with a construction unit 21 and a capturing unit 22 through a medium, the identification module 2 is electrically connected with an optimization module 3 through a medium, the lower stage of the optimization module 3 is electrically connected with a scaling unit 31, a calculation unit 32 and a setting unit 33 through a medium, the optimization module 3 is electrically connected with a storage module 4 and a region selection module 5 through a medium, the inside of the region selection module 5 is electrically connected with a marking unit 51 through a medium, the region selection module 5 and the marking unit 51 are electrically connected with the storage module 4 through a medium, and the region selection module 5 is electrically connected with an output module 6 through a medium.
Example 3
On the aspect of implementation, on the basis of embodiment 1, this embodiment further specifically describes an automatic color matching system for electronic drawing boards in embodiment 1 with reference to fig. 2:
an automatic color matching method of an electronic drawing board comprises the following steps:
step 1: recognizing a line graph drawn by a user on an electronic drawing board, and constructing an auxiliary virtual line drawing layer to draw virtual lines on the drawing layer;
step 2: scaling the line graph, calculating the bending angle and graph area proportion of the contour lines in the line graph, and setting the color filling area of the scaled graph area;
step 3: acquiring the size of the outline line of the line graph according to the set color filling area and the calculated proportion;
step 4: configuring a line pattern contour line to wrap a color filling area in the line pattern according to the size of the line pattern contour line;
step 5: editing and inputting the color configuration logic of the line graph of the electronic drawing board; collecting color configuration logic of a user in the process of operating an electronic drawing board to draw line patterns;
step 6: after a user selects any color filling area in a line graph on the electronic drawing board to be manually filled, filling other color filling areas according to color configuration logic;
step 7: and the user independently decides the execution times of the step 6, and after the step 6 is not executed any more, the line graph with the color filled and the execution data of the step 6 are packed and sent to the electronic drawing board for the user to read.
Wherein, step 7 of sending the data content to the electronic drawing board in step 6 comprises: and (3) drawing a color filling change area of the line graph, the execution times of the step (6) and the occupation ratio of the color filling change area to all color filling areas in the line graph on the electronic drawing board.
By the arrangement, the user can be assisted in understanding the defects of the color configuration logic, so that the user can make further optimization on the color configuration logic.
In summary, by the system in the above embodiment, after a user draws a line pattern by using the electronic drawing board, the line pattern can be analyzed, and color filling is performed on the line pattern by adopting logic for collecting color filling of the user or inputting color configuration logic before the initial operation of the system, in the specific implementation, the user is used for manually filling the region required to be color filled in a group of line patterns, and then intelligent filling is performed on other required filling regions by using the color configuration logic, so that the convenience of the color filling step of the electronic drawing board after drawing the line patterns is greatly improved; in addition, the system can also provide a zooming function of a user on the line graph after the drawn line graph is drawn in the running process, and further optimize the resolution of the line graph to a certain extent by taking the zooming function as a basis, so that the line graph is easier to fill when the user manually fills the color filling area for the first time, and the purpose of avoiding uneven filling is achieved; in addition, the steps of the method are carried out, so that the system can be further maintained to be stable in operation, and the relevant data of the line graph at the user side in the color filling process through the color configuration logic can be accurately provided by means of the steps of the method, so that a user can know that the current color configuration logic has defects, and the user can be assisted in further optimizing the color configuration logic.
The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. An automatic color matching system for an electronic drawing board, comprising:
the control panel (1) is a main control end of the system and is used for sending out control commands;
the identification module (2) is used for identifying a line graph drawn on the electronic drawing board by a user;
the optimizing module (3) is used for optimizing the resolution ratio of the outline of the drawn line graph on the electronic drawing board;
the storage module (4) is used for storing color configuration logic for drawing line patterns on the electronic drawing board;
the region selection module (5) is used for selecting any region in the line graph drawn on the electronic drawing board by a user to carry out manual color filling;
the output module (6) is used for outputting a line pattern with completed color filling and filling color change data of the line pattern in the color filling process to the control panel (1);
the region selection module (5) is used for synchronously transmitting the operation data of the region selection module (5) and the submodules thereof to the storage module (4) according to the user-defined operation times;
the identification module (2) is provided with a sub-module at the lower level, and comprises:
the construction unit (21) is used for constructing auxiliary ghost lines when a user performs color filling after drawing the lines on the electronic drawing board;
a capturing unit (22) for capturing points of a line drawn by a user on the electronic drawing board as extended closed-loop position points of the auxiliary virtual line;
the auxiliary virtual lines constructed by the construction unit (21) are rays or straight lines, the construction unit (21) is also used for drawing line graph surfaces on the electronic drawing board by a user to construct a layer, and the layer is used for hiding the auxiliary virtual lines.
2. An automatic color matching system for electronic drawing boards according to claim 1, wherein the optimizing module (3) is provided with a sub-module at a lower stage, comprising:
a scaling unit (31) for scaling a line pattern drawn on the electronic drawing board by a user;
a calculation unit (32) for recording the line bending angle of the line pattern and the initial line pattern size and calculating the ratio of the line pattern size to the line bending angle;
a setting unit (33) for setting an area setting of the color filling area after the user zooms the line pattern by the zooming unit (31);
the initial line graph size comprises a line graph outline line drawn by a user.
3. The automatic color matching system for electronic drawing boards according to claim 2, wherein the setting unit (33) operates by setting a value by a user, the value being less than the line pattern size, the difference between the line pattern size and the value set by the user being the line pattern outline line size, and the configuration of the line pattern outline line is performed according to the line pattern outline line size and the line meandering angle.
4. The automatic color matching system of the electronic drawing board according to claim 1, wherein the color configuration logic of the drawn line graph stored in the storage module (4) is manually input through a user terminal or is collected during the process of drawing the line graph through the electronic drawing board by a user;
when the color configuration logic for drawing the line graph stored in the storage module (4) is collected by a user in the process of drawing the line graph by the electronic drawing board, the color configuration logic comprises application logic for constructing a layer on the surface of the line graph drawn by the user on the electronic drawing board by the construction unit (21).
5. The automatic color matching system of the electronic drawing board according to claim 1, wherein after the operation of the area selection module (5) is finished, other unfilled areas of the line graph on the electronic drawing board are filled by color configuration logic;
the region selection module (5) is internally provided with a sub-module, and comprises:
a marking unit (51) for marking the line pattern area filled by the color configuration logic;
wherein the marking unit (51) marks the area without participating in the filling of the line pattern by the color configuration logic when the area selection module (5) is run again.
6. The automatic color matching system for electronic drawing boards according to claim 3, wherein when the line pattern outline line configuration is performed according to the line pattern outline line size and the line meandering angle, the image outline line edge calculation is performed by the following formula:
wherein a represents the area covered by the different elements in the mask when they are aligned to the image point (x, y), wherein the mask is n
n, n is set according to the current resolution;
h is a color component operator;
7. The automatic color matching system of an electronic drawing board according to claim 1, wherein the control panel (1) is electrically connected with the identification module (2) through a medium, the lower stage of the identification module (2) is electrically connected with the construction unit (21) and the capturing unit (22) through the medium, the identification module (2) is electrically connected with the optimization module (3) through the medium, the lower stage of the optimization module (3) is electrically connected with the scaling unit (31), the calculation unit (32) and the setting unit (33) through the medium, the optimization module (3) is electrically connected with the storage module (4) and the region selection module (5) through the medium, the inside of the region selection module (5) is electrically connected with the marking unit (51) through the medium, the region selection module (5) is electrically connected with the storage module (4) through the medium, and the region selection module (5) is electrically connected with the output module (6) through the medium.
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