CN110780961A - Method for adjusting character color of application interface, storage medium and terminal equipment - Google Patents
Method for adjusting character color of application interface, storage medium and terminal equipment Download PDFInfo
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- CN110780961A CN110780961A CN201910978251.XA CN201910978251A CN110780961A CN 110780961 A CN110780961 A CN 110780961A CN 201910978251 A CN201910978251 A CN 201910978251A CN 110780961 A CN110780961 A CN 110780961A
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- 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
Abstract
The invention discloses a method for adjusting the character color of an application interface, a storage medium and a terminal device, comprising the following steps: determining the color type of the application interface characters displayed on the background picture, and determining HSV conditions corresponding to the application interface characters according to the color type; determining the number of pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point; and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type. According to the invention, when the background picture of the application program is similar to the font color, so that the character is not clearly seen, the automatic adjustment of the character color is realized, and the problem of unclear character view caused by the conflict between the picture background and the font color is avoided.
Description
Technical Field
The invention relates to the field of terminal equipment of an Android system, in particular to a method for adjusting the character color of an application interface, a storage medium and terminal equipment.
Background
In the Android application program development, interface characters are usually set to be white or black, if the interface can be set to be a background in a self-defined mode, when the brightness or the main color of a background picture is close to the color of the characters, the characters cannot be clearly seen at the moment, the user experience is very poor, and meanwhile inconvenience is brought to the use of a user.
It is common practice to add a transparent mask between the background image and the text display to separate the white text from the underlying background, but this approach will degrade the display effect of the background image and not achieve the display effect of the original image, and the selection of the color of the middle transparent mask is not flexible.
Moreover, the color value is usually expressed by RGB in Android, different colors are mixed out through R, G and B, the range of each channel is 0-255, and therefore the background color is difficult to analyze through RGB.
Thus, the prior art has yet to be improved and enhanced.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a method, a storage medium, and a terminal device for adjusting a text color of an application interface, so as to solve a problem that, in the prior art, when a brightness or a main color of a background image of an app is close to a text color, the text is not clearly visible.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a method of adjusting application interface text color, comprising:
determining the color type of the application interface characters displayed on the background picture, and determining HSV conditions corresponding to the application interface characters according to the color type;
determining the number of pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point;
and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type.
The method for adjusting the application interface text color further comprises the following steps:
the method comprises the steps of obtaining the RGB value of each pixel point of a background picture, and converting the RGB value of each pixel point into HSV values.
The method for adjusting the character color of the application interface comprises the following steps of obtaining the RGB value of each pixel point of the background picture, and before converting the RGB value of each pixel point into HSV values:
acquiring a background picture of an application interface, and compressing the background picture;
and performing Gaussian blur processing on the compressed background picture.
The method for adjusting the text color of the application interface includes the steps of obtaining the RGB value of each pixel point of the background picture, and converting the RGB value of each pixel point into an HSV value:
acquiring an RGB value of each pixel point of a background picture, and storing the RGB value of each pixel point in an array, wherein the size of the array is the width and the height of the background picture;
and converting the RGB value of each pixel point into HSV values according to the array.
The method for adjusting the color of the application interface text comprises the following steps of determining the color type of the application interface text displayed on the background picture, and determining the HSV condition corresponding to the application interface text according to the color type:
determining a color type of application interface text for displaying on the background picture, wherein the color type comprises white and black;
when the color type is white, acquiring HSV conditions corresponding to the application characters as follows: the saturation is less than 0.3, the brightness is more than 0.7, or the hue is between 60 and 70, and the brightness is more than 0.8;
when the color type is black, acquiring HSV conditions corresponding to the application characters as follows: saturation >0.7, lightness <0.3 or lightness < 0.2.
The method for adjusting the character color of the application interface, wherein the determining the number of the pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point specifically includes:
comparing each parameter of the HSV value of each pixel point with each parameter of the HSV condition corresponding to the pixel point;
and when the conditions are met, calculating the number of pixel points meeting the HSV conditions in the background picture.
The method for adjusting the color of the application interface text, wherein when the number reaches a preset number threshold, the adjusting the color of the application interface text according to the color type specifically includes:
acquiring the number of pixel points of a background picture, and determining a preset number threshold according to the number of the pixel points;
and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type.
The method for adjusting the color of the application interface text specifically comprises the following steps of:
when the color type is white, adjusting the color of the application interface character to be black;
and when the color type is black, adjusting the color of the application interface text to be white.
A computer readable storage medium, wherein the computer readable storage medium stores one or more programs which are executable by one or more processors to implement steps in a method for adjusting application interface text color as described in any one of the above.
A terminal device, comprising: a processor and a memory; the memory has stored thereon a computer readable program executable by the processor; the processor, when executing the computer readable program, implements the steps in the method for adjusting the text color of the application interface as described in any one of the above.
Has the advantages that: compared with the prior art, the invention provides a method for adjusting the character color of an application interface, a storage medium and a terminal device, which comprises the following steps: determining the color type of the application interface characters displayed on the background picture, and determining HSV conditions corresponding to the application interface characters according to the color type; determining the number of pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point; and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type. According to the invention, when the background picture of the application program is similar to the font color, so that the character is not clearly seen, the automatic adjustment of the character color is realized, and the problem of unclear character view caused by the conflict between the picture background and the font color is avoided.
Drawings
Fig. 1 is a flowchart of a method for adjusting a text color of an application interface according to the present invention.
FIG. 2 is a flowchart illustrating a method for adjusting a text color of an application interface according to another embodiment of the present invention.
FIG. 3 is a HSV color space model of the present invention.
Fig. 4 is a flowchart of step S100 in the method for adjusting the text color of the application interface according to the present invention.
Fig. 5 is a flowchart of step S200 in the method for adjusting the text color of the application interface according to the present invention.
Fig. 6 is a flowchart of step S300 in the method for adjusting the text color of the application interface according to the present invention.
Fig. 7 is a schematic structural diagram of a preferred embodiment of the terminal device provided in the present invention.
Detailed Description
The invention provides a method, a storage medium and a terminal for adjusting the character color of an application interface, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail below by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
The embodiment provides a method for adjusting a text color of an application interface, as shown in fig. 1 and fig. 2, the method includes:
s100, determining the color type of the application interface characters displayed on the background picture, and determining HSV conditions corresponding to the application interface characters according to the color type.
Specifically, HSV (Hue, Saturation) is a color space created by a.r. smith in 1978 based on the intuitive nature of color, also known as the hexagonal cone Model (Hexcone Model).
The parameters of the colors in this model are: hue (H), saturation (S), lightness (V).
Color tone H
The value range is 0-360 degrees by angle measurement, and the counter-clockwise direction is counted from red, the red is 0 degree, the green is 120 degrees, and the blue is 240 degrees. Their complementary colors are: yellow 60 °, cyan 180 °, magenta 300 °;
saturation S
The saturation S represents the degree to which the color approaches the spectral color. A color can be seen as the result of a mixture of a certain spectral color and white. The greater the proportion of spectral colors, the higher the degree of color approaching spectral colors and the higher the saturation of colors. High saturation and dark and bright color. The white light component of the spectral color is 0, and the saturation reaches the highest. Usually the value ranges from 0% to 100%, the larger the value, the more saturated the color.
Lightness V
Lightness represents the degree of brightness of a color, and for a light source color, the lightness value is related to the lightness of the illuminant; for object colors, this value is related to the transmittance or reflectance of the object. Values typically range from 0% (black) to 100% (white).
Both the RGB and CMY color models are hardware-oriented, while the hsv (hue validation value) color model is user-oriented.
The three-dimensional representation of the HSV model evolved from the RGB cube. Consider that the hexagonal shape of a cube is seen looking from the white vertices to the black vertices of RGB along the diagonal of the cube. The hexagonal boundaries represent color, the horizontal axis represents purity, and brightness is measured along the vertical axis. Accordingly, the present invention further includes, before step S100:
s10, obtaining the RGB value of each pixel point of the background picture, and converting the RGB value of each pixel point into HSV values.
Specifically, in Android, RGB is usually adopted to represent color values, different colors are mixed through R, G and B, and the range of each channel is 0-255, so that the color of a background picture is difficult to analyze through RGB. Of course, in this embodiment, if the HSV value of each pixel point of the background picture can be directly obtained, the step of obtaining the RGB value of each pixel point of the background picture is omitted, so that the operation performance of the system can be improved, and the conversion efficiency of the text color is improved.
In an implementation manner of this embodiment, before the obtaining the RGB value of each pixel of the background picture and converting the RGB value of each pixel into the HSV value, the method further includes:
s1, obtaining a background picture of the application interface, and compressing the background picture;
and S2, performing Gaussian blur processing on the compressed background picture.
Specifically, since each pixel color of the picture is to be acquired, the background image is compressed to a corresponding size first, so that the increase of the calculation amount caused by the fact that the picture is too large is avoided, and the inversion efficiency of the later text color is improved.
Further, Gaussian Blur (english: Gaussian Blur), also called Gaussian smoothing, is a processing effect widely used in image processing software such as Adobe Photoshop, GIMP, and paint. The visual effect of the image generated by the blurring technique is as if the image is viewed through a semi-transparent screen, which is significantly different from the out-of-focus imaging effect of a lens in a stray field and in a general lighting shadow. Gaussian smoothing is also used in pre-processing stages in computer vision algorithms to enhance the image effect of images at different scale sizes (see scale-space representation and scale-space implementation). From the mathematical point of view, the gaussian blurring process of an image is to convolute the image with a normal distribution. Since a normal distribution is also called a gaussian distribution, this technique is called gaussian blur. Convolution of the image with the circular box blur will produce a more accurate out-of-focus imaging effect. Gaussian blur is a low pass filter for an image, since the fourier transform of a gaussian function is another gaussian function. Therefore, in an implementation manner of this embodiment, gaussian blur processing may be performed on the compressed picture, so that each pixel takes an average value of surrounding pixels, and thus a compressed picture subjected to gaussian blur processing may be finally obtained.
Further, the obtaining the RGB value of each pixel of the background picture and converting the RGB value of each pixel into an HSV value specifically includes:
s11, acquiring an RGB value of each pixel point of the background picture, and storing the RGB value of each pixel point in an array, wherein the size of the array is the width x height of the background picture;
and S12, converting the RGB value of each pixel point into HSV values according to the array.
Specifically, the color value of each pixel point of the processed picture is stored in an array, wherein the size of the array is the width and the height of the background picture, so that all the color values of the background picture can be stored, and can be converted into HSV color values, and it needs to be noted that each color parameter in HSV is as follows: hue (Hue), Saturation (Saturation), lightness (Value), Hue range [0..360 ], Saturation, range [0.. 1], Value range [0.. 1 ].
In an implementation manner of this embodiment, as shown in fig. 3 and 4, the determining a color type of an application interface text for displaying on the background picture, and determining HSV conditions corresponding to the application interface text according to the color type specifically includes:
s101, determining a color type of application interface characters displayed on the background picture, wherein the color type comprises white and black;
s102, when the color type is white, acquiring HSV conditions corresponding to the application characters as follows: the saturation is less than 0.3, the brightness is more than 0.7, or the hue is between 60 and 70, and the brightness is more than 0.8;
s103, when the color type is black, acquiring HSV conditions corresponding to the application characters as follows: saturation >0.7, lightness <0.3 or lightness < 0.2.
Specifically, in the implementation process of the present invention, the color type of the application interface text displayed on the background picture is first determined, and preferably, the color type includes white and black. Furthermore, the values of the parameters of the background picture can be seen according to the HSV color space model, and the comparison and judgment are carried out according to the values and the HSV conditions obtained in advance, so that the brightness condition (dark or bright) of the background picture can be known, and whether the color of the interface characters is reversed or not can be determined according to the brightness of the background picture.
S200, determining the number of pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point.
In an implementation manner of this embodiment, as shown in fig. 5, the determining, according to the HSV value of each pixel, the number of pixels meeting the HSV condition in the background picture specifically includes:
s201, comparing each parameter of the HSV value of each pixel point with each parameter of the corresponding HSV condition;
s202, when the conditions are met, calculating the number of pixel points which meet the HSV conditions in the background picture.
Specifically, the number of the pixel points meeting the HSV condition in the background picture is obtained by comparing each parameter in the background picture with each parameter in the HSV condition, so that the overall brightness or darkness of the picture can be obtained by comparing the number with a preset value.
S300, when the number reaches a preset number threshold, adjusting the color of the application interface text according to the color type.
Specifically, the preset number threshold is determined according to the number of pixel points of the background picture, and correspondingly, as shown in fig. 6, when the number reaches the preset number threshold, the step of adjusting the color of the application interface text according to the color type specifically includes:
s301, acquiring the number of pixel points of the background picture, and determining a preset number threshold according to the number of the pixel points;
s302, when the number reaches a preset number threshold, adjusting the color of the application interface text according to the color type.
In this embodiment, the preset threshold is preferably half of the number of the pixel points of the background picture, for example, when the number of the pixel points of one background picture is 1000, the preset number threshold is 500. Of course, the preset threshold may also be one third of the number of the pixel points of the background picture, and the like, and may be defined according to the actual situation, and is not limited specifically here.
Further, in an implementation manner of this embodiment, the adjusting the color of the application interface text according to the color type specifically includes:
s3021, when the color type is white, adjusting the color of the application interface character to be black;
and S3022, when the color type is black, adjusting the color of the application interface character to be white.
Specifically, according to the HSV color space model, the smaller the S (saturation) and the larger the V (brightness), the brighter and whiter the color is, so that the number of such pixel points can be counted, and if the number exceeds half, the brighter the whole picture is, the reverse is performed. Namely, on the premise that the color type of the characters is white, the colors of the characters are reversed to be black, so that the problem that the characters cannot be clearly seen due to the conflict between the image background and the character colors is solved. It should be noted that, if the current text color is black, the current text color does not need to be converted. In addition, according to the HSV color space model, it can be seen that S (saturation) is large and V (brightness) is small, or V (brightness) is small, so that the number of such pixel points can be counted, and if the number exceeds half, it indicates that the whole picture is dark, and the picture is inverted. Namely, on the premise that the color type of the characters is black, the colors of the characters are reversed to be white, so that the problem that the characters cannot be clearly seen due to the conflict between the image background and the character colors is solved. It should be noted that, if the current text color is white, the current text color does not need to be converted.
In addition, in an implementation manner of this embodiment, the conversion between the text color types black and white is not limited, and certainly, in a specific implementation process, the conversion from red to green and the conversion from green to red may also be performed, which is not specifically limited herein.
In summary, the invention mainly utilizes the recognition of image color to convert the RGB color into HSV color space model, and then analyzes the shade and brightness of the picture, and automatically sets the color of the interface font, thereby avoiding the problem of unclear text due to the conflict between the picture background and the font color. Meanwhile, the HSV color model contains hue, lightness and saturation of the color, and the color can be quickly analyzed through the value, so that the reversing efficiency of the character color is further improved.
The present invention also provides a computer readable storage medium, which stores one or more programs that can be executed by one or more processors to implement the steps in the method for adjusting the text color of an application interface according to the above embodiments.
The present invention also provides a terminal device, as shown in fig. 7, which includes at least one processor (processor) 20; a display screen 21; and a memory (memory)22, and may further include a communication Interface (Communications Interface)23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 30 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the storage medium and the instruction processors in the terminal device are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present 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 solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. A method for adjusting the color of a text on an application interface comprises the following steps:
determining the color type of the application interface characters displayed on the background picture, and determining HSV conditions corresponding to the application interface characters according to the color type;
determining the number of pixel points meeting the HSV condition in the background picture according to the HSV value of each pixel point;
and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type.
2. The method for adjusting the color of the application interface text according to claim 1, wherein the method for adjusting the color of the application interface text further comprises:
the method comprises the steps of obtaining the RGB value of each pixel point of a background picture, and converting the RGB value of each pixel point into HSV values.
3. The method for adjusting a text color of an application interface of claim 2, wherein before the obtaining the RGB value of each pixel point of the background picture and converting the RGB value of each pixel point into the HSV value, the method further comprises:
acquiring a background picture of an application interface, and compressing the background picture;
and performing Gaussian blur processing on the compressed background picture.
4. The method for adjusting a text color of an application interface according to claim 2 or 3, wherein the obtaining the RGB value of each pixel of the background picture and converting the RGB value of each pixel into the HSV value specifically comprises:
acquiring an RGB value of each pixel point of a background picture, and storing the RGB value of each pixel point in an array, wherein the size of the array is the width and the height of the background picture;
and converting the RGB value of each pixel point into HSV values according to the array.
5. The method according to claim 3, wherein the determining a color type of the application interface text for displaying on the background picture and determining the HSV condition corresponding to the application interface text according to the color type specifically comprises:
determining a color type of application interface text for displaying on the background picture, wherein the color type comprises white and black;
when the color type is white, acquiring HSV conditions corresponding to the application characters as follows: the saturation is less than 0.3, the brightness is more than 0.7, or the hue is between 60 and 70, and the brightness is more than 0.8;
when the color type is black, acquiring HSV conditions corresponding to the application characters as follows: saturation >0.7, lightness <0.3 or lightness < 0.2.
6. The method for adjusting a text color of an application interface according to claim 1, wherein the determining the number of the pixel points satisfying the HSV condition in the background picture according to the HSV value of each pixel point specifically comprises:
comparing each parameter of the HSV value of each pixel point with each parameter of the HSV condition corresponding to the pixel point;
and when the conditions are met, calculating the number of pixel points meeting the HSV conditions in the background picture.
7. The method for adjusting the color of the application interface text according to claim 1, wherein when the number reaches a preset number threshold, the adjusting the color of the application interface text according to the color type specifically comprises:
acquiring the number of pixel points of a background picture, and determining a preset number threshold according to the number of the pixel points;
and when the number reaches a preset number threshold value, adjusting the color of the application interface text according to the color type.
8. The method for adjusting the color of the application interface text according to claim 7, wherein the adjusting the color of the application interface text according to the color type specifically comprises:
when the color type is white, adjusting the color of the application interface character to be black;
and when the color type is black, adjusting the color of the application interface text to be white.
9. A computer readable storage medium, storing one or more programs, which are executable by one or more processors to implement the steps of the method for adjusting application interface text color according to any one of claims 1 to 8.
10. A terminal device, comprising: a processor and a memory; the memory has stored thereon a computer readable program executable by the processor; the processor, when executing the computer readable program, implements the steps of the method for adjusting the text color of the application interface according to any one of claims 1 to 8.
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| CN113064687A (en) * | 2021-03-23 | 2021-07-02 | 支付宝(杭州)信息技术有限公司 | Color adaptation processing method, device and equipment for user interface component |
| CN116466952A (en) * | 2023-06-19 | 2023-07-21 | 成都赛力斯科技有限公司 | Control visual effect element adjusting method and device, electronic equipment and storage medium |
| CN116466952B (en) * | 2023-06-19 | 2023-09-01 | 成都赛力斯科技有限公司 | Control visual effect element adjusting method and device, electronic equipment and storage medium |
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