CN113240776B - Method, device and storage medium for changing picture color based on canvas - Google Patents

Method, device and storage medium for changing picture color based on canvas Download PDF

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Publication number
CN113240776B
CN113240776B CN202110563355.1A CN202110563355A CN113240776B CN 113240776 B CN113240776 B CN 113240776B CN 202110563355 A CN202110563355 A CN 202110563355A CN 113240776 B CN113240776 B CN 113240776B
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Prior art keywords
icon
old
color
canvas
replacing
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CN113240776A (en
Inventor
王妙玉
周亮
汤国立
吴宁泉
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Guangdong Hotata Smart Home Co Ltd
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Guangdong Hotata Smart Home Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T11/002D [Two Dimensional] image generation
    • G06T11/40Filling a planar surface by adding surface attributes, e.g. colour or texture
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/30Creation or generation of source code
    • G06F8/38Creation or generation of source code for implementing user interfaces
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • G06F9/5022Mechanisms to release resources

Abstract

The invention discloses a method for changing the color of a picture based on canvas, which comprises the steps of obtaining each old icon and the color required to be replaced, and then storing the color required to be replaced of each old icon into the corresponding old icon in a marked mode; scanning a WEB page, acquiring all marked old icons, and reading the color required to be replaced by each old icon; creating and generating corresponding canvas elements according to each old icon, and replacing the filling color of each canvas element with the color required to be replaced by the corresponding old icon; and generating a corresponding new icon according to each canvas element, and replacing each old icon in the WEB page with the corresponding new icon. The invention solves the problems of low product development efficiency and the like caused by the fact that a developer needs to redesign a set of new icons to replace when the icon color is not applicable in the prior art. The invention also provides a device and a storage medium for changing the color of the picture based on canvas.

Description

Method, device and storage medium for changing picture color based on canvas
Technical Field
The present invention relates to image color processing, and in particular, to a method, apparatus, and storage medium for changing image color based on canvas.
Background
In WEB application page development, a developer usually uses a PNG format picture with a smaller size as an icon for identifying a corresponding function of a WEB application. However, along with different development requirements, application scenes and the like, the colors of icons in the existing WEB application page are not suitable any more, so that a developer often needs to redesign new icons to meet the new requirements, more workload is brought to the developer, development efficiency is low, the development period of a product is long, and the product development is not facilitated.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the purposes of the invention is to provide a method for changing the color of a picture based on canvas, which can solve the problems of low product development efficiency, long product development period and the like caused by the fact that a developer needs to redesign a new icon to replace when replacing the color of the icon in the prior art.
The second purpose of the invention is to provide a device for changing the color of a picture based on canvas, which can solve the problems of low product development efficiency, long product development period and the like caused by the fact that a developer needs to redesign a new icon for replacement when replacing the icon in the prior art.
The third object of the present invention is to provide a storage medium, which can solve the problems of low product development efficiency, long product development period, etc. caused by the need of a developer to redesign a new icon for replacement when replacing the icon in the prior art.
One of the purposes of the invention is realized by adopting the following technical scheme:
a method for changing the color of a picture based on a canvas, the method for changing the color of a picture based on a canvas comprising:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
Further, the replacing step includes: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
Further, in the replacing step, after each old icon of the WEB page is replaced by a corresponding new icon, the new icon stored in the system memory is deleted.
Further, both the old icon and the new icon are PNG pictures.
The second purpose of the invention is realized by adopting the following technical scheme:
a canvas-based apparatus for changing the color of a picture, comprising a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being a canvas-based program for changing the color of a picture, the processor implementing the following steps when executing the canvas-based program:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
Further, the replacing step includes: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
Further, in the replacing step, after each old icon of the WEB page is replaced by a corresponding new icon, the new icon stored in the system memory is deleted.
Further, both the old icon and the new icon are PNG pictures.
The third purpose of the invention is realized by adopting the following technical scheme:
a storage medium being a computer-readable storage medium, on which a computer program is stored, the computer program being a canvas-based program for changing the color of a picture, the canvas-based program, when being executed by a processor, implementing the steps of a canvas-based method for changing the color of a picture as employed by one of the objects of the present invention.
Compared with the prior art, the invention has the beneficial effects that:
the invention marks the colors to be replaced into the old icons in advance, then obtains each old icon by scanning the WEB page, generates canvas elements according to the old icons, fills the filling colors of the canvas elements into the colors to be replaced, and then generates new images, so that the old icons in the WEB page can be replaced by the new icons, and the new and old replacement of the icons in the WEB page is realized.
Drawings
FIG. 1 is a flow chart of a method for changing the color of a picture based on canvas provided by the invention;
fig. 2 is a block diagram of a device for changing the color of a picture based on canvas according to the present invention.
In the figure: 11. a memory; 12. a processor; 13. a communication bus; 14. a network interface.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.
Example 1
The invention provides a method for changing the color of a picture based on canvas, which can replace the filling color of an existing icon with a new filling color by utilizing the canvas, so that an old icon is directly changed into a new icon to meet new design requirements.
As shown in fig. 1, the method for changing the color of a picture based on canvas comprises the following steps:
step S1, each old icon and the color required to be replaced by each old icon are obtained, and the color required to be replaced by each old icon is stored in the corresponding old icon in a marked mode. Wherein the old icon is a PNG picture.
And marking by the class name target2change of the element of the icon, and storing the color to be replaced into the element label corresponding to the old icon.
For example, each element label of each icon in the WEB page is represented as follows:
<img src="url/to/image"alt="image"class="target2change"data-color="#58b7ff">。
wherein, class= "target2change" indicates that the icon is a marked icon, and data-color= "#58b7ff" indicates color information required to be replaced by the icon.
And S2, scanning the WEB page, acquiring all the old icons with the marks, and reading the color information carried by each old icon.
The color information carried by each old icon refers to the color required to be replaced by each old icon.
In actual operation, there may be more than one old icon to be replaced, so all marked old icons are acquired by scanning the WEB page. Meanwhile, color information carried by each old icon can be acquired according to the element label of each old icon.
Preferably, the color information carried by each old icon is the color that each old icon needs to replace in step S1.
And S3, creating and generating canvas elements corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with the color information carried by the corresponding old icon.
And S4, outputting pictures according to each canvas element and generating corresponding new icons. The new icon is also a PGN picture.
Step S5, each new icon is stored in the system memory.
And S6, replacing the address of each old icon with the address of the corresponding new icon.
And S7, replacing each old icon in the WEB page with a corresponding new icon according to each new icon stored in the system memory.
Meanwhile, when the old icon is replaced by the new icon, the method further comprises step S8 of deleting the new icon stored in the system memory. And deleting the new icon stored in the system memory to release the space of the memory.
The invention can replace the filling colors of a plurality of old icons with new colors at one time, is convenient and quick to operate, and avoids the problems of low development efficiency and the like caused by redesigning the new icons.
Example two
The invention provides a device for changing the color of a picture based on canvas. As shown in fig. 2, an internal structure of a device for changing a color of a picture based on canvas according to an embodiment of the present invention is shown.
In this embodiment, the device for changing the color of the picture based on canvas may be a PC (Personal Computer ), or may be a terminal device such as a smart phone, a tablet computer, or a portable computer. The canvas-based device for changing the color of a picture at least comprises: a processor 12, a communication bus 13, a network interface 14 and a memory 11.
The memory 11 includes at least one type of readable storage medium including flash memory, a hard disk, a multimedia card, a card memory (e.g., SD or DX memory, etc.), a magnetic memory, a magnetic disk, an optical disk, etc. The memory 11 may in some embodiments be an internal storage unit of a canvas-based device for changing the color of a picture, for example a hard disk of the canvas-based device. The memory 11 may in other embodiments also be an external storage device based on a canvas device for changing the color of a picture, such as a plug-in hard disk, smart Media Card (SMC), secure Digital (SD) Card, flash Card (Flash Card) or the like, which is provided on a canvas device for changing the color of a picture. Further, the memory 11 may also include both an internal storage unit and an external storage device of the canvas-based apparatus for changing the color of a picture. The memory 11 may be used not only for storing application software installed in a device for changing the color of a picture based on a canvas and various types of data, for example, codes of a program for changing the color of a picture based on a canvas and the like, but also for temporarily storing data that has been output or is to be output.
The processor 12 may in some embodiments be a central processing unit (Central Processing Unit, CPU), controller, microcontroller, microprocessor or other data processing chip for running program code or processing data stored in the memory 11, for example executing a canvas based program or the like for changing the color of a picture.
The communication bus 13 is used to enable connection communication between these components.
The network interface 14 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface), typically used to establish a communication connection between the canvas-based device for changing the color of a picture and other electronic equipment.
Optionally, the canvas-based device may further comprise a user interface, which may comprise a Display (Display), an input unit such as a Keyboard (Keyboard), and the optional user interface may further comprise a standard wired interface, a wireless interface. Alternatively, in some embodiments, the display may be an LED display, a liquid crystal display, a touch-sensitive liquid crystal display, an OLED (Organic Light-Emitting Diode) touch, or the like. The display may also be referred to as a display screen or display unit, as appropriate, for displaying information processed in the canvas-based device for changing the color of the picture and for displaying a visual user interface.
Fig. 2 shows only a canvas-based apparatus having components 11-14 and a canvas-based color changing program, it will be understood by those skilled in the art that the structure shown in fig. 2 does not constitute a limitation of the canvas-based apparatus, and may include fewer or more components than shown, or may combine certain components, or a different arrangement of components.
In the embodiment of the apparatus for changing the color of a picture based on canvas shown in fig. 2, a program for changing the color of a picture based on canvas is stored in the memory 11; the processor 12 implements the following steps when executing the canvas-based program stored in the memory 11 for changing the color of a picture:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
Further, the replacing step includes: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
Further, in the replacing step, after each old icon of the WEB page is replaced by a corresponding new icon, the new icon stored in the system memory is deleted.
Further, both the old icon and the new icon are PNG pictures.
Example III
Based on the second embodiment provided by the present invention, the present invention further provides an embodiment, a storage medium, where the storage medium is a computer readable storage medium, and a computer program is stored on the storage medium, where the computer program is a program for changing a color of a picture based on a canvas, and when the program for changing the color of the picture based on the canvas is executed by a processor, the following steps are implemented:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
Further, the replacing step includes: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
Further, in the replacing step, after each old icon of the WEB page is replaced by a corresponding new icon, the new icon stored in the system memory is deleted.
Further, both the old icon and the new icon are PNG pictures.
The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (9)

1. The method for changing the color of the picture based on the canvas is characterized by comprising the following steps of:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
2. The canvas based method for changing the color of a picture according to claim 1, wherein the replacing step comprises: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
3. The method according to claim 2, wherein in the replacing step, each old icon in the WEB page is replaced with a corresponding new icon, and then the new icon stored in the system memory is deleted.
4. The canvas based method for changing picture color as claimed in claim 1, wherein the old icon and the new icon are PNG pictures.
5. A canvas-based apparatus for changing the color of a picture, comprising a memory, a processor, and a computer program stored on the memory and running on the processor, the computer program being a canvas-based program for changing the color of a picture, characterized in that: the processor performs the following steps when executing the canvas-based program for changing the color of the picture:
marking: acquiring each old icon and the color required to be replaced by each old icon, and then storing the color required to be replaced by each old icon into the corresponding old icon in a marked manner;
scanning: scanning a WEB page, acquiring all marked old icons, and reading color information carried by each old icon; the color information carried by each old icon is the color required to be replaced by each old icon;
the conversion step: creating and generating a canvas element corresponding to each old icon according to each old icon, and replacing the filling color of each canvas element with color information carried by the corresponding old icon;
a new icon generating step: generating a corresponding new icon according to each canvas element;
and (3) replacing: and replacing each old icon in the WEB page with a corresponding new icon.
6. The canvas based apparatus for changing a color of a picture according to claim 5, wherein the replacing step comprises: and storing each new icon in the system memory, replacing the address of each old icon with the address of the corresponding new icon, and replacing each old icon in the WEB page with the corresponding new icon according to each new icon stored in the system memory.
7. The canvas-based apparatus for changing a color of a picture according to claim 6, wherein the replacing step deletes the new icon stored in the system memory after replacing each old icon in the WEB page with a corresponding new icon.
8. The canvas based apparatus for changing picture color as claimed in claim 5, wherein the old icon and the new icon are PNG pictures.
9. A storage medium, the storage medium being a computer-readable storage medium having stored thereon a computer program that changes a color of a picture based on canvas, characterized in that: the canvas based method of changing the color of a picture as claimed in any one of claims 1 to 4, when executed by a processor.
CN202110563355.1A 2021-05-24 2021-05-24 Method, device and storage medium for changing picture color based on canvas Active CN113240776B (en)

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