CN111209070B - Linear gradual-change color-taking method for WEB end - Google Patents
Linear gradual-change color-taking method for WEB end Download PDFInfo
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- CN111209070B CN111209070B CN202010010743.2A CN202010010743A CN111209070B CN 111209070 B CN111209070 B CN 111209070B CN 202010010743 A CN202010010743 A CN 202010010743A CN 111209070 B CN111209070 B CN 111209070B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0485—Scrolling or panning
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0484—Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
- G06F3/0486—Drag-and-drop
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
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Abstract
The invention discloses a linear gradual-change color taking method for a WEB end, which comprises the following steps of: (1) creating a starting and ending gradual change point; (2) Constructing a slide bar and a coordinate axis by using a straight line determined by the two points of the initial gradual change point and the ending gradual change point, and acquiring initial coordinate values of the initial gradual change point and the ending gradual change point; (3) Constructing an activation point by using the initial gradual change point and the ending gradual change point, and recording coordinate values when the activation point is dragged; (4) Obtaining color values between coordinates of the initial and final gradual change points after dragging according to the coordinate values of the activation points after dragging; (5) Creating an intermediate gradual change point on the slide bar and constructing a new activation point; (6) recording a new coordinate value when the activation point is dragged; (7) And obtaining the color values between the coordinates of the intermediate and initial gradual change points after dragging according to the new coordinate values of the activation points. The invention not only can realize the color taking of the gradient color between two points, but also can realize the color taking of the gradient color at multiple points, and enriches the functions of WEN end application.
Description
Technical Field
The invention relates to the field of WEB terminal color extraction, in particular to a linear gradual color extraction method for a WEB terminal.
Background
Along with the increasing functions of the WEB terminal, the application of the WEB terminal has the characteristics of real-time updating and installation-free, and a plurality of sites can move the functions of the desktop terminal to the WEB terminal to enable a user to operate. The color taking function in the desktop application Sketch is quite powerful, and a user can select a single color and set gradual change. The function of selecting a single color at the WEB terminal is realized, and the function of selecting gradual change color is needed to be realized to enrich the functions of the WEB application. In the current mainstream scheme, a WEB end color picker only supports two-point gradual change color picking (starting point and end point), namely, a gradual change starting point and a gradual change end point are set in a page area, a color picking plate acquires color values of an area between the gradual change starting point and the gradual change end point to realize color picking, and a multipoint color picking function cannot be realized.
Disclosure of Invention
The invention aims to provide a linear gradual color-changing color-taking method for a WEB end, which aims to solve the problem that the WEB end in the prior art cannot realize multi-point color-taking.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the linear gradual-change color-taking method for the WEB end is characterized by comprising the following steps of: the method comprises the following steps:
(1) Creating two gradient points in the target area of the Sketch color taking, wherein one point is used as a starting gradient point, and the other point is used as an ending gradient point;
(2) The Sketch background program builds a slide bar by using a straight line determined by the initial gradual change point and the end gradual change point, builds a one-dimensional coordinate axis by using the straight line of the slide bar, and obtains initial coordinate values of the initial gradual change point and the end gradual change point;
(3) Monitoring activation and dragging events of a starting gradual change point and an ending gradual change point, setting the gradual change point triggering the activation event in the starting gradual change point and the ending gradual change point as an activation point by a Sketch background program, setting the activation point to be dragged along a straight line where a slide bar is located by the Sketch background program, and acquiring coordinate values of the activation point in real time by the Sketch background program when the activation point is dragged;
(4) Restoring the activation point to be a starting gradient point or an ending gradient point after the dragging of the activation point is ended, obtaining a color value of a target area covered by the distance between coordinates of the starting gradient point and the ending gradient point after the dragging by using a Sketch background program according to the coordinate value of the activation point when the dragging is ended, and generating a corresponding color on a Sketch color-taking page by using the Sketch background program according to the obtained color value;
(5) Creating an intermediate gradient point at any point position on the slide bar between the initial gradient point and the end gradient point after the dragging in the step (4), monitoring an activating and dragging event of the intermediate gradient point by a Sketch background program, setting the intermediate gradient point as a new activating point when the activating event is triggered, and simultaneously setting the new activating point to drag along the straight line where the slide bar is located by the Sketch background program;
(6) Monitoring a dragging event of the new activation point in the step (5) by the Sketch background program, and acquiring the coordinate value of the new activation point in real time when the new activation point is dragged;
(7) And recovering the new activated point to be an intermediate gradient point after the dragging is finished, obtaining the color value of the target area covered by the distance between the intermediate gradient point and the initial gradient point after the dragging by the Sketch background program according to the coordinate value of the new activated point when the dragging is finished, and generating a corresponding color on the Sketch color-taking page by the Sketch background program according to the obtained color value.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: in the step (1), a Sketch background program monitors a mouse click event of a color target area, wherein the complete process of the mouse click event sequentially comprises a mouse click event and a mouse click event, and the Sketch background program sets two points triggering the complete mouse click event as an initial gradual change point and an end gradual change point according to the sequence;
in the step (5), the Sketch background program monitors a mouse click event of any point on the slide bar between the initial gradual change point and the end gradual change point after the dragging is finished, and takes any point triggering the mouse click event as an intermediate gradual change point.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: in the step (3), for the starting gradual change point and the ending gradual change point which are already generated, the Sketch background program monitors a mouse mousedown event of the starting gradual change point and the ending gradual change point, and takes the mouse mousedown event as an activation event, and triggers the gradual change point of the mouse mousedown event as an activation point;
in the step (5), for the generated intermediate gradient, the sktch background program monitors a mouse mousedown event of the intermediate gradient point, takes the mouse mousedown event as an activation event, and takes the intermediate gradient point as a new activation point when the mouse mousedown event is triggered.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: in the steps (3) and (4), the Sketch background program monitors a mouse mouseove event of the activation point, and acquires a coordinate value of the activation point of the whole process of triggering the mouse mouseove event by the activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event is stopped, and takes the mouse mousedown event as an activation point dragging ending mark;
in the steps (6) and (7), the Sketch background program monitors a mouse mousemove event of a new activation point, and acquires a coordinate value of the new activation point of the whole process of triggering the mouse mousemove event by the new activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event stops, and takes the mouse mousedown event as a new activation point dragging ending mark.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: when the gradual point generates and triggers a mouse mouseown event, the mouse mouseowe event is not triggered but is immediately triggered, and the mouse mouseoup event is not effective.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: the calculation formula of the coordinate values of the gradation point and the activation point generated by the gradation point is (X-axis coordinate value of mouse-X-axis coordinate value of slide)/length of slide, wherein the initial coordinate value of the start gradation point is set to 0%, and the initial coordinate value of the end gradation point is set to 100%.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: in the step (5), the color of the intermediate gradation point takes the intermediate color of the initial gradation and the end gradation.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: in step (5), the Sketch daemon monitors the delete time of the keyboard for the new activation point, deletes the currently activated coordinate point when the new activation point triggers the delete event, and sets the activation point as the initial gradual change point.
The WEB end linear gradual change color taking method is characterized by comprising the following steps of: when the Sketch background program is used for color taking, different gradual color taking angles are set according to the linear change direction.
Compared with the prior art, the method can realize the color taking of the gradient color between the starting point and the ending point, can also add or delete at least the gradient point between the starting point and the ending point, realizes the color taking of the gradient color at multiple points, and enriches the functions of WEN end application.
Drawings
FIG. 1 is a flow chart of the method of the present invention.
Detailed Description
The invention will be further described with reference to the drawings and examples.
As shown in FIG. 1, the linear gradient color-taking method of the WEB end comprises the following steps:
(1) Creating two gradient points in the target area of the Sketch color taking, wherein one point is used as a starting gradient point, and the other point is used as an ending gradient point;
(2) The Sketch background program builds a slide bar by using a straight line determined by the initial gradual change point and the end gradual change point, builds a one-dimensional coordinate axis by using the straight line of the slide bar, and obtains initial coordinate values of the initial gradual change point and the end gradual change point;
(3) Monitoring activation and dragging events of a starting gradual change point and an ending gradual change point, setting the gradual change point triggering the activation event in the starting gradual change point and the ending gradual change point as an activation point by a Sketch background program, setting the activation point to be dragged along a straight line where a slide bar is located by the Sketch background program, and acquiring coordinate values of the activation point in real time by the Sketch background program when the activation point is dragged;
(4) Restoring the activation point to be a starting gradient point or an ending gradient point after the dragging of the activation point is ended, obtaining a color value of a target area covered by the distance between coordinates of the starting gradient point and the ending gradient point after the dragging by using a Sketch background program according to the coordinate value of the activation point when the dragging is ended, and generating a corresponding color on a Sketch color-taking page by using the Sketch background program according to the obtained color value;
(5) Creating an intermediate gradient point at any point position on the slide bar between the initial gradient point and the end gradient point after the dragging in the step (4), monitoring an activating and dragging event of the intermediate gradient point by a Sketch background program, setting the intermediate gradient point as a new activating point when the activating event is triggered, and simultaneously setting the new activating point to drag along the straight line where the slide bar is located by the Sketch background program;
(6) Monitoring a dragging event of the new activation point in the step (5) by the Sketch background program, and acquiring the coordinate value of the new activation point in real time when the new activation point is dragged;
(7) And recovering the new activated point to be an intermediate gradient point after the dragging is finished, obtaining the color value of the target area covered by the interval between the intermediate gradient point and the initial gradient point after the dragging by the Sketch background program according to the coordinate value of the intermediate activated point when the dragging is finished, and generating a corresponding color on the Sketch color-taking page by the Sketch background program according to the obtained color value.
In the step (1), a Sketch background program monitors a mouse click event of a color target area, wherein the complete process of the mouse click event sequentially comprises a mouse click event and a mouse click event, and the Sketch background program sets two points triggering the complete mouse click event as an initial gradual change point and an end gradual change point according to the sequence;
in the step (5), the Sketch background program monitors a mouse click event of any point on the slide bar between the initial gradual change point and the end gradual change point after the dragging is finished, and takes any point triggering the mouse click event as an intermediate gradual change point.
In the step (3) of the invention, for the generated initial gradual change point and end gradual change point, the Sketch background program monitors a mouse mousedown event of the initial gradual change point and the end gradual change point, and takes the mouse mousedown event as an activation event, and triggers the gradual change point of the mouse mousedown event as an activation point;
in the step (5), for the generated intermediate gradient, the sktch background program monitors a mouse mousedown event of the intermediate gradient point, takes the mouse mousedown event as an activation event, and takes the intermediate gradient point as a new activation point when the mouse mousedown event is triggered.
In the steps (3) and (4), the Sketch background program monitors a mouse mousemove event of an activation point, and acquires a coordinate value of the activation point of the whole process of triggering the mouse mousemove event by the activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event is stopped, and takes the mouse mousedown event as an activation point dragging ending mark;
in the steps (6) and (7), the Sketch background program monitors a mouse mousemove event of a new activation point, and acquires a coordinate value of the new activation point of the whole process of triggering the mouse mousemove event by the new activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event stops, and takes the mouse mousedown event as a new activation point dragging ending mark.
In the invention, after the gradual change point is generated and the mouse mouseown event is triggered, the mouse mouseover event is not triggered but the mouse mouseover event is immediately triggered, and the mouse mouseover event is not effective.
In the present invention, the calculation formula of the coordinate values of the gradation point and the activation point generated by the gradation point is (X-axis coordinate value of mouse-X-axis coordinate value of slide)/length of slide, wherein the initial coordinate value of the initial gradation point is set to 0% and the initial coordinate value of the end gradation point is set to 100%.
In the step (5) of the invention, the color of the intermediate gradation point takes the intermediate color of the initial gradation and the end gradation.
In step (5) of the invention, the sktch background program monitors the delete time of the keyboard to the new activation point, deletes the currently activated coordinate point when the new activation point triggers the delete event, and sets the activation point as the initial gradual change point.
In the invention, different gradual change color taking angles are set according to the linear change direction when the Sketch background program takes color.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the spirit and scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solutions of the present invention should fall within the protection scope of the present invention, and the technical content of the present invention as claimed is fully described in the claims.
Claims (8)
- A linear gradual-change color-taking method for WEB end is characterized in that: the method comprises the following steps:(1) Creating two gradient points in the target area of the Sketch color taking, wherein one point is used as a starting gradient point, and the other point is used as an ending gradient point;(2) The Sketch background program builds a slide bar by using a straight line determined by the initial gradual change point and the end gradual change point, builds a one-dimensional coordinate axis by using the straight line of the slide bar, and obtains initial coordinate values of the initial gradual change point and the end gradual change point;(3) Monitoring activation and dragging events of a starting gradual change point and an ending gradual change point, setting the gradual change point triggering the activation event in the starting gradual change point and the ending gradual change point as an activation point by a Sketch background program, setting the activation point to be dragged along a straight line where a slide bar is located by the Sketch background program, and acquiring coordinate values of the activation point in real time by the Sketch background program when the activation point is dragged;(4) Restoring the activation point to be a starting gradient point or an ending gradient point after the dragging of the activation point is ended, obtaining a color value of a target area covered by the distance between coordinates of the starting gradient point and the ending gradient point after the dragging by using a Sketch background program according to the coordinate value of the activation point when the dragging is ended, and generating a corresponding color on a Sketch color-taking page by using the Sketch background program according to the obtained color value;(5) Creating an intermediate gradient point at any point position on the slide bar between the initial gradient point and the end gradient point after the dragging in the step (4), monitoring an activating and dragging event of the intermediate gradient point by a Sketch background program, setting the intermediate gradient point as a new activating point when the activating event is triggered, and simultaneously setting the new activating point to drag along the straight line where the slide bar is located by the Sketch background program;(6) Monitoring a dragging event of the new activation point in the step (5) by the Sketch background program, and acquiring the coordinate value of the new activation point in real time when the new activation point is dragged;(7) Restoring the new activated point to be an intermediate gradient point after dragging, obtaining a color value of a target area covered by the distance between the intermediate gradient point and the initial gradient point after dragging by using a Sketch background program according to the coordinate value of the new activated point when dragging is finished, and generating a corresponding color on a Sketch color-taking page by using the Sketch background program according to the obtained color value;the calculation formula of the coordinate values of the gradation point and the activation point generated by the gradation point is (X-axis coordinate value of mouse-X-axis coordinate value of slide)/length of slide, wherein the initial coordinate value of the start gradation point is set to 0%, and the initial coordinate value of the end gradation point is set to 100%.
- 2. The WEB-end linear gradient color-taking method according to claim 1, wherein: in the step (1), a Sketch background program monitors a mouse click event of a color target area, wherein the complete process of the mouse click event sequentially comprises a mouse click event and a mouse click event, and the Sketch background program sets two points triggering the complete mouse click event as an initial gradual change point and an end gradual change point according to the sequence;in the step (5), the Sketch background program monitors a mouse click event of any point on the slide bar between the initial gradual change point and the end gradual change point after the dragging is finished, and takes any point triggering the mouse click event as an intermediate gradual change point.
- 3. The WEB-end linear gradient color-taking method according to claim 1, wherein: in the step (3), for the starting gradual change point and the ending gradual change point which are already generated, the Sketch background program monitors a mouse mousedown event of the starting gradual change point and the ending gradual change point, and takes the mouse mousedown event as an activation event, and triggers the gradual change point of the mouse mousedown event as an activation point;in the step (5), for the generated intermediate gradient, the sktch background program monitors a mouse mousedown event of the intermediate gradient point, takes the mouse mousedown event as an activation event, and takes the intermediate gradient point as a new activation point when the mouse mousedown event is triggered.
- 4. The WEB-end linear gradient color-taking method according to claim 1, wherein: in the steps (3) and (4), the Sketch background program monitors a mouse mouseove event of the activation point, and acquires a coordinate value of the activation point of the whole process of triggering the mouse mouseove event by the activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event is stopped, and takes the mouse mousedown event as an activation point dragging ending mark;in the steps (6) and (7), the Sketch background program monitors a mouse mousemove event of a new activation point, and acquires a coordinate value of the new activation point of the whole process of triggering the mouse mousemove event by the new activation point in real time; meanwhile, the Sketch background program monitors a mouse mousedown event after the mouse mousemove event stops, and takes the mouse mousedown event as a new activation point dragging ending mark.
- 5. The linear gradient color-taking method for WEB end according to claim 3 or 4, wherein the method comprises the following steps of: when the gradual point generates and triggers a mouse mouseown event, the mouse mouseowe event is not triggered but is immediately triggered, and the mouse mouseoup event is not effective.
- 6. The WEB-end linear gradient color-taking method according to claim 1, wherein: in the step (5), the color of the intermediate gradation point takes the intermediate color of the initial gradation and the end gradation.
- 7. The WEB-end linear gradient color-taking method according to claim 1, wherein: in step (5), the Sketch daemon monitors the delete time of the keyboard for the new activation point, deletes the currently activated coordinate point when the new activation point triggers the delete event, and sets the activation point as the initial gradual change point.
- 8. The WEB-end linear gradient color-taking method according to claim 1, wherein: when the Sketch background program is used for color taking, different gradual color taking angles are set according to the linear change direction.
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