CN112037303A - Card background color generation method, device, equipment and medium for theme display card - Google Patents
Card background color generation method, device, equipment and medium for theme display card Download PDFInfo
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Abstract
The application discloses a method, a device, equipment and a medium for generating a card background color of a theme display card, and belongs to the technical field of internet. Determining at least two main colors from the colors included in the operation picture by acquiring the colors included in the operation picture in the theme display card, wherein the areas of color blocks corresponding to the main colors in the operation picture meet preset conditions; the card background color of the theme display card is gradually rendered according to the at least two main colors, the card background color of the theme display card can be automatically generated according to the main colors on the operation picture on the theme display card in the mode, and manual intervention of a UI designer is not needed, so that the labor cost is reduced, and the working efficiency is improved.
Description
Technical Field
The present application relates to the field of internet technologies, and in particular, to a method, an apparatus, a device, and a medium for generating a card ground color of a theme display card.
Background
Currently, a user likes to perform personalized setting on a system theme of a mobile phone, and a theme store is applied to meet the personalized setting requirement of the user. The theme store may include a plurality of theme presentation cards for selection by the user, wherein each theme presentation card may be used to preview different system themes. In general, the process of the user to personalize the system theme of the mobile phone is as follows: the user previews the system theme through the theme display card and downloads the system theme according to personal requirements.
In order to provide better visual experience for users, the theme store configures corresponding card ground color for the theme display card in the process of displaying the theme display card. In the related art, the background color of the theme display card is manually set by a UI (User Interface, chinese) designer.
In practical application, the mode of manually designing the background color of each theme display card through a UI designer is low in working efficiency and high in labor cost.
Disclosure of Invention
Based on this, the embodiment of the application provides a method, a device, equipment and a medium for generating the card ground color of the theme display card, which can reduce the design cost of the card ground color of the theme display card and improve the working efficiency.
In a first aspect, a method for generating a card ground color of a theme display card is provided, the method comprising:
the method comprises the steps of obtaining each color included by an operation picture in a theme display card, wherein the theme display card is used for previewing and displaying a system theme, and the operation picture is a previewing picture of the system theme;
determining at least two main colors from all colors included in the operation picture, wherein the areas of color blocks corresponding to the main colors in the operation picture meet preset conditions;
and performing gradient rendering processing on the card background color of the theme display card according to the at least two main colors.
In a second aspect, there is provided a card ground color generation apparatus for a theme display card, the apparatus comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring each color included by an operation picture in a theme display card, the theme display card is used for previewing and displaying a system theme, and the operation picture is a previewing picture of the system theme;
the determining module is used for determining at least two main colors from all colors included in the operation picture, and the area of a color block corresponding to the main colors in the operation picture meets a preset condition;
and the rendering module is used for performing gradient rendering processing on the card background color of the theme display card according to the at least two main colors.
In a third aspect, a computer device is provided, which includes a memory and a processor, the memory stores a computer program, and the computer program is executed by the processor to implement the card ground color generation method of the theme show card according to any one of the above first aspects.
In a fourth aspect, there is provided a computer readable storage medium having stored thereon a computer program which, when executed by a processor, implements the method for generating a card ground color of a theme presentation card according to any one of the first aspect.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
through obtaining each colour that the operation picture in the theme show card includes, and confirm two at least main colours from each colour that the operation picture includes, wherein, the area of the corresponding color lump of main colour satisfies the preset condition in the operation picture, then, carry out the gradual change according to two at least main colours to the card base colour of theme show card and play up the processing, the purpose of the card base colour of theme show card can be realized according to the main colour that the operation picture on the theme show card generates the theme show card automatically to this kind of mode, because do not need UI designer manual intervention, therefore, can reduce the human cost, and improve work efficiency.
Drawings
Fig. 1 is a schematic diagram of a terminal display interface according to an embodiment of the present disclosure;
FIG. 2 is a schematic diagram of an implementation environment to which embodiments of the present application relate;
fig. 3 is a flowchart of a method for generating a card ground color of a theme display card according to an embodiment of the present application;
FIG. 4 is a schematic diagram of an exemplary theme presentation card provided in an embodiment of the present application;
FIG. 5 is a schematic diagram of an exemplary theme show card style of card ground color of a card provided by an embodiment of the application;
FIG. 6 is a schematic diagram of another exemplary theme presentation card style of card ground color provided in an embodiment of the present application;
FIG. 7 is a schematic diagram of another exemplary theme presentation card style of card ground color provided in an embodiment of the present application;
FIG. 8 is a schematic diagram of another exemplary theme presentation card style of card ground color provided in an embodiment of the present application;
fig. 9 is a flowchart of a method for obtaining at least two main colors of an operation picture according to an embodiment of the present application;
fig. 10 is a flowchart of a process of performing a second filtering process on each first candidate color according to an embodiment of the present application;
fig. 11 is a flowchart of a process of an nth screening process according to an embodiment of the present application;
fig. 12 is a block diagram of a card ground color generation apparatus of a theme display card according to an embodiment of the present application;
fig. 13 is a block diagram of a computer device according to an embodiment of the present application.
Detailed Description
To make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
Currently, a user likes to personalize a system theme of a mobile phone, where the system theme of the mobile phone may include contents such as a desktop picture, a screen saver picture, a ring tone, an operation interface style, and an icon style of the mobile phone. To meet the user's personalized setting requirements, a theme store application is created. The theme store may present a plurality of theme presentation cards for selection by the user, wherein each theme presentation card may be used to preview different system themes.
Generally, the process of the user to personalize the system theme of the mobile phone may include the following: as shown in fig. 1, fig. 1 shows a terminal display interface, a plurality of theme display cards are displayed in the terminal display interface, where fig. 1 exemplarily shows 3 theme display cards, which are respectively the theme display card a, the theme display card B, and the theme display card C in fig. 1, taking the theme display card a as an example, the theme display card a includes an operation picture a, which is a preview picture of the theme display picture, a user previews a system theme by browsing the theme display card, and then downloads a system theme file corresponding to the theme display card according to a personal requirement, and the mobile phone can set contents such as a desktop picture, a screen saver picture, a ringtone, an operation interface style, an icon style, and the like of the mobile phone according to the downloaded system theme file.
In the prior art, in order to provide better visual experience for a user, a theme store configures a corresponding card ground color for a theme display card in the process of displaying the theme display card, so that the user can more easily perceive the style of a system theme corresponding to the theme display card when previewing the theme display card. In the related art, the background color of the theme display card is manually set by a UI (english: User Interface, chinese: User Interface) designer.
In practical application, on the one hand, the mode of manually designing the background color of each theme display card through a UI designer is low in working efficiency and high in labor cost.
On the other hand, because the theme display card needs to be updated frequently, the card ground color of the corresponding theme display card needs to be redesigned by a UI designer each time the theme display card is updated, and the updating period of the theme display card is prolonged because the time spent on manually designing the card ground color is long. Therefore, the existing mode of manually designing the background color of the card cannot meet the requirement of frequently updating the theme display card.
In view of the above circumstances, an embodiment of the present application provides a method for generating a card ground color of a theme display card, where the method obtains colors included in an operation picture in the theme display card, determines at least two main colors from the colors included in the operation picture, and then performs gradient rendering processing on the card ground color of the theme display card according to the at least two main colors, so that the method can achieve an object of automatically generating the card ground color of the theme display card according to the main colors on the operation picture on the theme display card.
Next, a brief description will be given of an implementation environment related to the method for generating the card ground color of the theme display card provided in the embodiment of the present application.
As shown in fig. 2, the implementation environment may include a server 201 and a terminal 202, and the server 201 and the terminal 202 may communicate with each other through a wired network or a wireless network.
The terminal 202 may be a smart phone, a tablet computer, a wearable device, an MP3 player (Moving Picture Experts Group Audio Layer III, motion video Experts compress standard Audio Layer 3), an MP4 player (Moving Picture Experts Group Audio Layer IV, motion video Experts compress standard Audio Layer 4), an e-book reader, or a vehicle-mounted device. The server 201 may be one server or a server cluster including a plurality of servers.
In the implementation environment shown in fig. 1, the server 201 may execute the method for generating the card ground color of the theme display card provided in the embodiment of the present application, and send the theme display card with the rendered card ground color to the terminal 202 for display by the terminal 202.
Of course, in some possible implementations, the implementation environment related to the embodiment of the present application may include only the terminal 202. In this case, the terminal 202 may execute the method for generating the card ground color of the theme show card provided in the embodiment of the present application, and show the theme show card with the rendered card ground color.
Referring to fig. 3, a flowchart of a method for generating a card ground color of a theme show card according to an embodiment of the present application is shown, where the method for generating a card ground color of a theme show card may be applied to a server or a terminal in the implementation environment shown in fig. 2. In the embodiment of the present application, only the example that the method for generating the bottom color of the card of the theme display card is applied to the server is taken as an example for explanation, a technical process when the method for generating the bottom color of the card of the theme display card is applied to the terminal is the same as a technical process when the method for generating the bottom color of the card of the theme display card is applied to the server, which is not repeated in the embodiment of the present application, as shown in fig. 3, the method for generating the bottom color of the card of the theme display card may include the following steps:
The theme display card is used for displaying the system theme in a previewing mode, and the operation picture is a previewing picture of the system theme.
The process of previewing and displaying the system theme by the theme display card is as follows: the theme display card comprises the operation pictures, the server can send the theme display card to the terminal, and the terminal displays the theme display card and the operation pictures thereof, so that the user can see the operation pictures on the theme display card, and the system theme corresponding to the theme display card is previewed.
In the embodiment of the application, each system theme may include a plurality of pictures, an operator may designate one of the pictures from the plurality of pictures, the server may perform thumbnail processing on the designated picture to obtain a preview picture, and then the preview picture is used as an operation picture on a theme display card corresponding to the system theme. As shown in fig. 4, an operation picture a is displayed on the theme display card, and the operation picture a is a preview picture of a system theme corresponding to the theme display card.
Alternatively, each color included in the operation picture may be represented by an RGB value of each color.
In an optional implementation manner, the server may obtain a color value of each pixel in the operation picture, and then determine each color included in the operation picture according to the color value of each pixel.
The process of determining each color of the operation picture by the server according to the color value of each pixel may be: the server can remove the same color value in the obtained color values, and obtains each color included in the operation picture based on the color value obtained after removal.
In the embodiment of the application, the server can obtain the size of the operation picture, and traverse each pixel in the operation picture according to the size of the operation picture to obtain the RGB value of each pixel. In the process of traversing, when the same RGB value is traversed, the number of the RGB values is added with 1. A set of RGB values is obtained, which includes the RGB values of all pixels of the operation picture. After the set of RGB values is obtained, if the number of a certain RGB value is greater than 1, the RGB value is removed from the set of RGB values, and the server may perform multiple removal until only one RGB value is included in the set of RGB values. The plurality of RGB values included in the RGB value set after the elimination processing are different from each other, each RGB value corresponds to one color, and the server may determine each color on the operation picture according to each RGB value.
For example, if the operation picture includes 100 pixels, the server may obtain color values of 100 pixels, where the color value of each pixel may be an RGB value, for example, 20 RGB values are (0, 255), 50 RGB values are (255,0,0), and the remaining 30 RGB values are different from each other, in which case, any 19 of the 20 RGB values may be removed, and one RGB value of (0, 255) is reserved. Similarly, any 49 of the 50 RGB values may be culled, and one RGB value of (255,0,0) may be retained. 32 mutually different RGB values are finally obtained after the elimination processing. On this basis, the server may determine 32 colors included in the operation picture according to the 32 mutually different RGB values obtained after the culling processing.
It should be noted that the RGB values are different from each other, which means that the RGB arrays are different from each other.
In step 302, the server determines at least two main colors from the colors included in the operation picture.
And the area of a color block corresponding to the main color in the operation picture meets a preset condition.
For a certain color, the process of obtaining the area of the color block of the color may include the following steps: acquiring RGB values of the color, determining the number of pixels corresponding to the RGB values in an operation picture, determining the area occupied by the pixels corresponding to the RGB values in the operation picture according to the number of the pixels corresponding to the RGB values, and determining the area occupied by the pixels corresponding to the RGB values in the operation picture as the area of color blocks corresponding to the RGB values.
Optionally, the preset condition may be: the area is larger than or equal to a preset area threshold value. That is, in each color of the operation picture, the area of a color block corresponding to a certain color in the operation picture is greater than or equal to a preset area threshold, and then the color is the main color.
Optionally, the preset condition may also be: and the sequence number of the area of the corresponding color block is more than or equal to a preset sequence number in a preset sequence, wherein the preset sequence refers to: and sequencing in a descending order according to the areas of the color blocks corresponding to the colors in the operation picture. That is, after sorting according to the preset sequence, if the number of the area of the color block corresponding to a certain color is greater than or equal to the preset number, the color is the main color.
In the embodiment of the application, the server may perform gradient rendering processing on the card ground color of the theme display card based on the canvas application and the color values of the at least two main colors, and after the gradient rendering processing, the formed gradient color effect constitutes the card ground color of the theme display card.
Optionally, the server may render the card base color of the theme display card according to at least two main colors and a preset gradient direction. The gradual change direction may refer to a change direction in which the at least two main colors change regularly.
In the following, the embodiment of the present application exemplarily shows some styles of the card ground color of the theme display card, as shown in fig. 5, a main color 1 and a main color 2 are shown in fig. 5, wherein the gradient direction of the main color 1 and the main color 2 may be a left-right direction. As shown in fig. 6, fig. 6 shows a main color 1, a main color 2, a main color 3, and a main color 4, and the gradation directions of the 4 main colors may be diagonal directions as shown by arrows in fig. 6. As shown in fig. 7, fig. 7 shows a main color 1 and a main color 2, wherein the gradation direction of the main color 1 and the main color 2 may be an up-down direction. As shown in fig. 8, fig. 8 shows a dominant color 1 and a dominant color 2, and the dominant color 1 and the dominant color 2 may be rotated in a 45-degree direction. Wherein the dashed lines in fig. 5, 6, 7 and 8 are used to indicate the relative positions of the respective main colors, which are not present in an actual theme presentation card.
It should be noted that, in the embodiment of the present application, the style of the card ground color of the theme display card includes, but is not limited to, what is exemplarily shown in fig. 5 to fig. 8.
According to the method for generating the card ground color of the theme display card, the at least two main colors are determined from the colors included in the operation picture by acquiring the colors included in the operation picture in the theme display card, and the areas of color blocks corresponding to the main colors in the operation picture meet the preset condition; the card background color of the theme display card is gradually rendered according to the at least two main colors, the card background color of the theme display card can be automatically generated according to the main colors on the operation picture on the theme display card in the mode, and manual intervention of a UI designer is not needed, so that the labor cost is reduced, and the working efficiency is improved.
On the basis of the method for generating the card ground color of the theme display card, as shown in fig. 5 to 8, the theme display card further includes a theme description and a selection button, wherein the theme description includes a text for describing the system theme, and the selection button is used for triggering a system theme download instruction. In the following, the embodiment of the present application will describe a technical process for rendering a theme description and a selection button by a server, where the technical process includes the following steps:
and performing gradient rendering processing on the font color of the theme description and performing gradient rendering processing on the color of the selection button according to the at least two main colors.
Optionally, in this embodiment of the application, the server may perform a gradient rendering process on the font color of the theme description by using all or part of the at least two main colors. And the server may perform a gradation rendering process on the selection button using all or a part of the at least two dominant colors. For example, if the at least two main colors are 4 main colors, the server may perform the gradient rendering process on the font color of the theme description by using the 4 main colors at the same time. Or the server may perform a gradation rendering process on the font color of the caption using 2 of the 4 main colors.
Optionally, in this embodiment of the application, the server may perform, according to a preset gradient direction, gradient rendering processing on a font color of the theme description and gradient rendering processing on the selection button.
Optionally, the server may perform a monochrome gradient rendering process on the font color of the theme description from any one of the at least two main colors, and may perform a gradient rendering process on the color of the selection button from any one of the at least two main colors. Alternatively, the dominant color used to render the theme description may not be the same as the dominant color used to render the selection button.
According to the embodiment of the application, the theme description and the selection buttons on the theme display card are subjected to gradient rendering by adopting at least two main colors, so that the styles of the theme description and the selection buttons are adapted to the style of the operation picture, the style of the system theme corresponding to the theme display card can be better displayed, and a user can conveniently preview and know the style of the system theme corresponding to the theme display card.
In an embodiment of the present application, as shown in fig. 9, the process of the method for acquiring at least two main colors of the operation picture by the server may further include the following steps:
In an alternative implementation, the characteristic information of each color may refer to RGB values of each color. The first screening process performed on each color included in the operation picture may be: for a certain RGB value, the number of pixels corresponding to the RGB value in the operation picture is determined, the server may remove the color whose number of pixels is less than the number threshold, and determine the color whose number of pixels is greater than or equal to the number threshold as the first candidate color.
In the embodiment of the application, if the number of the pixels corresponding to a certain color is small, it indicates that the color is not easily distinguished by naked eyes in the operation picture, and therefore the color cannot be the main color.
In another alternative implementation, the characteristic information includes brightness and saturation, and the characteristic information of each color may be the brightness and saturation of each color. The server may convert the RGB value of each first candidate color into an HSB (HSB) value, where H denotes hue, S denotes saturation, and B denotes brightness. Thereby obtaining the saturation and brightness of each first candidate color.
On this basis, the first filtering process performed by the server on each color included in the operation picture may be: and eliminating colors with brightness smaller than a preset brightness threshold value or saturation smaller than a preset saturation threshold value from the colors included in the operation picture, and determining the remaining colors as first candidate colors.
In the embodiment of the present application, when the saturation is small or the brightness is small, filtering is required when the color does not meet the gradient color value use criterion, such as black, white, gray, and the like, so that the color that does not meet the gradient color value use criterion is eliminated in the above manner, and the color that meets the gradient color value use criterion is determined to be the first candidate color.
Alternatively, the color similarity may refer to a color difference. In the embodiment of the present application, the calculation process of the color similarity between the first candidate colors may be expressed as follows, for example, the RGB values of the first candidate color 1 are respectively expressed as R1, G1, and B1. The RGB values of the first color candidate 2 are represented as R2, G2, and B2, respectively, then the color similarity Δ C of the first color candidate 1 and the first color candidate 2 can be represented as:
ΔR＝R1-R2，ΔG＝G1-G2，ΔB＝B1-B2
in this embodiment of the application, the performing, by the server, the second screening process on each first candidate color according to the color similarity between the first candidate colors may be: if the color similarity between the two first candidate colors is larger than the similarity threshold, one of the two first candidate colors is removed, and only one of the two first candidate colors is reserved. Through the second screening processing, the color with smaller color difference in the plurality of first candidate colors can be removed, and the color with larger color difference is reserved.
Optionally, in this embodiment of the application, the process of performing the second screening processing by the server may include the following:
and the server performs multiple screening processing on the first candidate colors according to the color similarity among the first candidate colors until the color similarity among the remaining first candidate colors after the screening processing of a certain time is smaller than a preset similarity threshold, and then determines the remaining first candidate colors as second candidate colors respectively.
The multiple screening process will be described below:
the process that the server carries out the 1 st screening processing on the first candidate colors according to the color similarity among the first candidate colors comprises the following steps:
and performing descending order sorting according to the areas of the color blocks corresponding to the first candidate colors in the operation picture, and then determining the first candidate color sorted at the 1 st position as a reference candidate color.
The server calculates the color similarity between each of the other first candidate colors ranked after the 1 st position and the reference candidate color. If the color similarity between a certain first candidate color and the reference candidate color is larger than the similarity threshold, the first candidate color is rejected, and if the color similarity between the certain first candidate color and the reference candidate color is smaller than or equal to the similarity threshold, the first candidate color is reserved, so that a plurality of first candidate colors remaining after the 1 st screening can be obtained.
Further, the server may calculate color similarities of any two first candidate colors in the plurality of first candidate colors remaining after the 1 st screening, and perform the nth screening if one or some color similarities are greater than a similarity threshold, where n is an integer greater than or equal to 2.
As shown in fig. 10, the process of the nth screening process includes the following steps:
In step 1002, the server selects a reference candidate color from the plurality of first candidate colors remaining after the n-1 th screening, and calculates the similarity between the reference candidate color and each of the plurality of first candidate colors other than the reference candidate color after the n-1 th screening.
The server can sort the plurality of first candidate colors remaining after the n-1 th screening in a descending order according to the areas of the color blocks corresponding to the plurality of first candidate colors remaining after the n-1 th screening in the operation picture. And determining the nth first candidate color in the plurality of first candidate colors remained after the n-1 screening as the reference candidate color.
In step 1003, the server removes the first candidate color with the similarity greater than the similarity threshold from the other multiple first candidate colors except the reference candidate color after the n-1 th screening, so as to obtain multiple remaining first candidate colors after the n-th screening.
If the color similarity between a certain first candidate color and the reference candidate color is larger than the similarity threshold, the first candidate color is rejected, and if the color similarity between the certain first candidate color and the reference candidate color is smaller than or equal to the similarity threshold, the first candidate color is reserved, so that a plurality of first candidate colors remaining after the nth screening can be obtained.
In this embodiment of the application, after step 1003, it is further required to calculate color similarities of any two first candidate colors of the plurality of first candidate colors remaining after the nth screening, if there is a color similarity greater than the similarity threshold, the n +1 th screening is performed, if all the color similarities are less than or equal to the similarity threshold, the second screening is finished, and each remaining first candidate color is determined as the second candidate color.
In this embodiment of the application, the server may perform descending order according to the size of the area of the color block corresponding to each second candidate color in the operation picture, where the order with the large area is the front order and the order with the small area is the back order, so as to obtain the ordering result of each second candidate color. Then, each second candidate color ranked before the preset order is determined as the dominant color. For example, there are 5 second candidate colors, and the preset rank is 3, that is, the 5 second candidate colors are arranged in descending order according to the size of the area of the color block corresponding to each second candidate color, and then the second candidate colors ranked at the top 3 ranks are respectively determined as the main colors, so as to obtain three main colors.
In the embodiment of the application, colors with over-high saturation and over-high brightness are removed through first screening processing, or colors which cannot be used as main colors are removed, so that first candidate colors are obtained, then softening processing is performed on the first candidate colors, the first candidate colors after softening processing are suitable for being used as card ground colors, finally, colors with close color differences in the first candidate colors are removed, second candidate colors with large color differences are reserved, main colors with large areas of corresponding color blocks are determined from the second candidate colors, the areas of the color blocks occupied by the at least two main colors in an operation picture are large, the style of a system theme corresponding to the theme display card can be reflected, and the adaptation effect of the card ground colors generated according to the at least two main colors and the theme display card is better.
In an embodiment of the present application, in practical applications, some colors of the plurality of colors included in the operation picture may have too high saturation or too high brightness. In this case, when the saturation of the color is too high or the brightness is too high, directly using the color as the card ground color may affect the preview of the operation picture by the user, and based on this problem, in this embodiment of the present application, it is proposed to perform softening processing on each first candidate color, and perform second filtering processing on each first candidate color after the softening processing according to the color similarity between each first candidate color after the softening processing, and in the following, this embodiment of the present application will describe the technical process, as shown in fig. 11, the technical process includes the following contents:
in step 1101, the server performs softening processing on each first candidate color.
The softening processing refers to processing the brightness and the saturation of the first candidate color according to a preset brightness softening strategy and a preset saturation softening strategy respectively, so that the brightness of the first candidate color is smaller than a first brightness threshold and larger than a second brightness threshold, and the saturation of the first candidate color is smaller than a first saturation threshold and larger than a second saturation threshold. The first brightness threshold value is greater than or equal to the second brightness threshold value, and the first saturation threshold value is greater than or equal to the second saturation threshold value.
The brightness softening strategy is a strategy of modifying the brightness of the first candidate color so that the brightness of the first candidate color is smaller than a first brightness threshold value and larger than a second brightness threshold value. The saturation softening measure refers to a strategy of modifying the saturation of the first candidate color such that the saturation of the first candidate color is less than a first saturation threshold and greater than a second saturation threshold.
In this embodiment, the server may perform softening processing on each first candidate color respectively to obtain each first candidate color after the softening processing.
In this embodiment, the server may convert the HSB value of each first candidate color after the softening process into an RGB value, then calculate the color similarity between each first candidate color after the softening process according to the RGB value of each first candidate color after the softening process, and perform the second screening process according to the color similarity between each first candidate color after the softening process.
In the embodiment of the present application, the softening process is performed on each first candidate color, so that each first candidate color after the softening process is referred to as a color suitable for use as the ground color of the card, and on the basis of this, the second screening process is performed on each first candidate color after the softening process, so that a second candidate color suitable for use as the ground color of the card can be obtained. The accuracy of obtaining at least two main colors of the operation picture is improved.
It should be understood that although the various steps in the flowcharts of fig. 2-11 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-11 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
Referring to fig. 12, a block diagram of a card background color generating apparatus 1200 of a theme show card according to an embodiment of the present application is shown, where the card background color generating apparatus 1200 of the theme show card may be configured in a server or a terminal in the implementation environment shown in fig. 1. As shown in fig. 12, the card ground color generating apparatus 1200 of the theme display card may include: an obtaining module 1201, a determining module 1202, and a rendering module 1203.
The obtaining module 1201 is configured to obtain each color included in an operation picture in a theme display card, where the theme display card is used to preview and display a system theme, and the operation picture is a preview picture of the system theme.
A determining module 1202, configured to determine at least two main colors from the colors included in the operation picture, where an area of a color block of the main colors in the operation picture meets a preset condition.
And a rendering module 1203, configured to perform gradient rendering processing on the card bottom color of the theme display card according to the at least two main colors.
In an embodiment of the present application, the obtaining module 1201 is specifically configured to:
acquiring color values of all pixels in an operation picture;
and removing the same color value in the acquired color values, and acquiring each color included in the operation picture based on the color value obtained after removal.
In an embodiment of the present application, the determining module 1202 is specifically configured to:
performing first screening processing on each color included in the operation picture according to the characteristic information of each color included in the operation picture to obtain a plurality of first candidate colors after the first screening processing;
performing second screening processing on the first candidate colors according to the color similarity among the first candidate colors to obtain a plurality of second candidate colors after the second screening processing;
and sequencing the second candidate colors according to the areas of the color blocks corresponding to the second candidate colors in the operation picture, and determining at least two main colors according to the sequencing result.
In an embodiment of the present application, the characteristic information includes brightness and saturation, and the determining module 1202 is specifically configured to:
and eliminating colors with brightness smaller than a preset brightness threshold value or saturation smaller than a preset saturation threshold value from the colors included in the operation picture to obtain a plurality of first candidate colors.
In an embodiment of the present application, the determining module 1202 is specifically configured to:
softening each first candidate color;
and performing second screening processing on the softened first candidate colors according to the color similarity between the softened first candidate colors to obtain a plurality of second candidate colors after the second screening processing.
In an embodiment of the present application, the determining module 1202 is specifically configured to:
screening each first candidate color for multiple times according to the color similarity among the first candidate colors until the color similarity among the remaining first candidate colors after a certain screening process is smaller than a preset similarity threshold;
wherein the process of the nth screening treatment comprises the following steps:
obtaining a plurality of first candidate colors remained after the (n-1) th screening;
selecting a reference candidate color from the plurality of first candidate colors remaining after the n-1 screening, and calculating the similarity between the reference candidate color and the plurality of first candidate colors except the reference candidate color after the n-1 screening;
removing first candidate colors with the similarity larger than a similarity threshold value from other first candidate colors except the reference candidate color after the nth-1 screening to obtain a plurality of first candidate colors remaining after the nth screening; n is 2 or more.
In an embodiment of the present application, the determining module 1202 is specifically configured to:
according to the areas of color blocks corresponding to the first candidate colors left after the n-1 screening in the operation picture, performing descending order sorting on the first candidate colors left after the n-1 screening;
and determining the nth first candidate color in the plurality of first candidate colors remained after the n-1 screening as the reference candidate color.
In an embodiment of the present application, the rendering module 1203 is specifically configured to:
and performing gradient rendering on the card background color of the theme display card according to the at least two main color values and a preset gradient direction.
In an embodiment of the present application, the theme display card further includes a theme description and a selection button, the theme description includes text describing a system theme, the selection button is used to trigger a system theme download instruction, and the rendering module 1203 is further used to:
and performing gradient rendering processing on the font color of the theme description and performing gradient rendering processing on the color of the selection button according to the at least two main colors.
For specific limitations of the card ground color generation device of the theme display card, reference may be made to the above limitations of the card ground color generation method of the theme display card, and details are not repeated here. The modules in the card ground color generation device of the theme display card can be wholly or partially realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute the operations of the modules.
In one embodiment of the present application, a computer device is provided, and the computer device may be a terminal or a server, and its internal structure diagram may be as shown in fig. 13. The computer device includes a processor and a memory connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system and a computer program. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The computer program is executed by a processor to implement a method of generating a card ground color for a theme show card.
Those skilled in the art will appreciate that the architecture shown in fig. 13 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In one embodiment of the present application, there is provided a computer device comprising a memory and a processor, the memory having stored therein a computer program, the processor implementing the following steps when executing the computer program:
the method comprises the steps of obtaining each color included by an operation picture in a theme display card, wherein the theme display card is used for previewing and displaying a system theme, and the operation picture is a previewing picture of the system theme;
determining at least two main colors from all colors included in the operation picture, wherein the areas of color blocks corresponding to the main colors in the operation picture meet preset conditions;
and performing gradient rendering processing on the card background color of the theme display card according to the at least two main colors.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
acquiring color values of all pixels in an operation picture;
and removing the same color value in the acquired color values, and acquiring each color included in the operation picture based on the color value obtained after removal.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
performing first screening processing on each color included in the operation picture according to the characteristic information of each color included in the operation picture to obtain a plurality of first candidate colors after the first screening processing;
performing second screening processing on the first candidate colors according to the color similarity among the first candidate colors to obtain a plurality of second candidate colors after the second screening processing;
and sequencing the second candidate colors according to the areas of the color blocks corresponding to the second candidate colors in the operation picture, and determining at least two main colors according to the sequencing result.
In an embodiment of the application, the characteristic information comprises a brightness and a saturation, and the processor when executing the computer program further performs the steps of:
and eliminating colors with brightness smaller than a preset brightness threshold value or saturation smaller than a preset saturation threshold value from the colors included in the operation picture to obtain a plurality of first candidate colors.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
softening each first candidate color;
and performing second screening processing on the softened first candidate colors according to the color similarity between the softened first candidate colors to obtain a plurality of second candidate colors after the second screening processing.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
screening each first candidate color for multiple times according to the color similarity among the first candidate colors until the color similarity among the remaining first candidate colors after a certain screening process is smaller than a preset similarity threshold;
wherein the process of the nth screening treatment comprises the following steps:
obtaining a plurality of first candidate colors remained after the (n-1) th screening;
selecting a reference candidate color from the plurality of first candidate colors remaining after the n-1 screening, and calculating the similarity between the reference candidate color and the plurality of first candidate colors except the reference candidate color after the n-1 screening;
removing first candidate colors with the similarity larger than a similarity threshold value from other first candidate colors except the reference candidate color after the nth-1 screening to obtain a plurality of first candidate colors remaining after the nth screening; n is 2 or more.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
according to the areas of color blocks corresponding to the first candidate colors left after the n-1 screening in the operation picture, performing descending order sorting on the first candidate colors left after the n-1 screening;
and determining the nth first candidate color in the plurality of first candidate colors remained after the n-1 screening as the reference candidate color.
In one embodiment of the application, the processor when executing the computer program further performs the steps of:
and performing gradient rendering on the card background color of the theme display card according to the at least two main color values and a preset gradient direction.
In an embodiment of the application, the theme display card further includes a theme description and a selection button, the theme description includes words describing the system theme, the selection button is used for triggering a system theme download instruction, and the processor executes the computer program and further implements the following steps:
and performing gradient rendering processing on the font color of the theme description and performing gradient rendering processing on the color of the selection button according to the at least two main colors.
The implementation principle and technical effect of the computer device provided by the embodiment of the present application are similar to those of the method embodiment described above, and are not described herein again.
In an embodiment of the application, a computer-readable storage medium is provided, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of:
the method comprises the steps of obtaining each color included by an operation picture in a theme display card, wherein the theme display card is used for previewing and displaying a system theme, and the operation picture is a previewing picture of the system theme;
determining at least two main colors from all colors included in the operation picture, wherein the areas of color blocks corresponding to the main colors in the operation picture meet preset conditions;
and performing gradient rendering processing on the card background color of the theme display card according to the at least two main colors.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
acquiring color values of all pixels in an operation picture;
and removing the same color value in the acquired color values, and acquiring each color included in the operation picture based on the color value obtained after removal.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
performing first screening processing on each color included in the operation picture according to the characteristic information of each color included in the operation picture to obtain a plurality of first candidate colors after the first screening processing;
performing second screening processing on the first candidate colors according to the color similarity among the first candidate colors to obtain a plurality of second candidate colors after the second screening processing;
and sequencing the second candidate colors according to the areas of the color blocks corresponding to the second candidate colors in the operation picture, and determining at least two main colors according to the sequencing result.
In an embodiment of the application, the characteristic information comprises a brightness and a saturation, the computer program, when being executed by the processor, further realizing the steps of:
and eliminating colors with brightness smaller than a preset brightness threshold value or saturation smaller than a preset saturation threshold value from the colors included in the operation picture to obtain a plurality of first candidate colors.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
softening each first candidate color;
and performing second screening processing on the softened first candidate colors according to the color similarity between the softened first candidate colors to obtain a plurality of second candidate colors after the second screening processing.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
screening each first candidate color for multiple times according to the color similarity among the first candidate colors until the color similarity among the remaining first candidate colors after a certain screening process is smaller than a preset similarity threshold;
wherein the process of the nth screening treatment comprises the following steps:
obtaining a plurality of first candidate colors remained after the (n-1) th screening;
selecting a reference candidate color from the plurality of first candidate colors remaining after the n-1 screening, and calculating the similarity between the reference candidate color and the plurality of first candidate colors except the reference candidate color after the n-1 screening;
removing first candidate colors with the similarity larger than a similarity threshold value from other first candidate colors except the reference candidate color after the nth-1 screening to obtain a plurality of first candidate colors remaining after the nth screening; n is 2 or more.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
according to the areas of color blocks corresponding to the first candidate colors left after the n-1 screening in the operation picture, performing descending order sorting on the first candidate colors left after the n-1 screening;
and determining the nth first candidate color in the plurality of first candidate colors remained after the n-1 screening as the reference candidate color.
In one embodiment of the application, the computer program when executed by the processor further performs the steps of:
and performing gradient rendering on the card background color of the theme display card according to the at least two main color values and a preset gradient direction.
In an embodiment of the application, the theme presentation card further includes a theme description and a selection button, the theme description includes a text describing the system theme, the selection button is used for triggering a system theme download instruction, and when executed by the processor, the computer program further implements the following steps:
and performing gradient rendering processing on the font color of the theme description and performing gradient rendering processing on the color of the selection button according to the at least two main colors.
The implementation principle and technical effect of the computer-readable storage medium provided by this embodiment are similar to those of the above-described method embodiment, and are not described herein again.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the claims. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A method for generating a card ground color of a theme display card is characterized by comprising the following steps:
the method comprises the steps of obtaining each color included by an operation picture in a theme display card, wherein the theme display card is used for displaying a system theme in a previewing mode, and the operation picture is a previewing picture of the system theme;
determining at least two main colors from all colors included in the operation picture, wherein the areas of color blocks of the main colors in the operation picture meet preset conditions;
and performing gradient rendering processing on the card bottom color of the theme display card according to the at least two main colors.
2. The method according to claim 1, wherein the obtaining of the colors included in the operation pictures in the theme show card comprises:
acquiring a color value of each pixel in the operation picture;
and removing the same color value in the acquired color values, and acquiring each color included in the operation picture based on the color value obtained after removal.
3. The method according to claim 1, wherein the determining at least two main colors from the respective colors included in the operation picture comprises:
performing first screening processing on each color included in the operation picture according to the characteristic information of each color included in the operation picture to obtain a plurality of first candidate colors after the first screening processing;
performing second screening processing on the first candidate colors according to the color similarity among the first candidate colors to obtain a plurality of second candidate colors after the second screening processing;
and sequencing the second candidate colors according to the areas of the color blocks corresponding to the second candidate colors in the operation picture, and determining the at least two main colors according to the sequencing result.
4. The method according to claim 3, wherein the feature information includes brightness and saturation, and performing a first filtering process on each color included in the operation picture according to the feature information of each color included in the operation picture to obtain a plurality of first candidate colors after the first filtering process includes:
and eliminating colors with brightness smaller than a preset brightness threshold value or saturation smaller than a preset saturation threshold value from the colors included in the operation picture to obtain the plurality of first candidate colors.
5. The method according to claim 3, wherein performing a second filtering process on each of the first candidate colors according to the color similarity between the first candidate colors to obtain a plurality of second candidate colors after the second filtering process, comprises:
softening each of the first candidate colors;
and performing second screening processing on the softened first candidate colors according to the color similarity between the softened first candidate colors to obtain a plurality of second candidate colors after the second screening processing.
6. The method according to claim 3, wherein the second filtering processing on each of the first candidate colors according to the color similarity between the first candidate colors comprises:
screening each first candidate color for multiple times according to the color similarity among the first candidate colors until the color similarity among the remaining first candidate colors after a certain screening process is smaller than a preset similarity threshold;
wherein the process of the nth screening treatment comprises the following steps:
obtaining a plurality of first candidate colors remained after the (n-1) th screening;
selecting a reference candidate color from the plurality of first candidate colors remaining after the n-1 screening, and calculating the similarity between the reference candidate color and the plurality of first candidate colors except the reference candidate color after the n-1 screening;
removing first candidate colors with the similarity larger than a similarity threshold value from other first candidate colors except the reference candidate color after the n-1 screening to obtain a plurality of first candidate colors remaining after the n screening; n is 2 or more.
7. The method according to claim 6, wherein said extracting a reference candidate color from the plurality of first candidate colors remaining after the n-1 th filtering comprises:
according to the areas of the color blocks corresponding to the plurality of first candidate colors left after the n-1 screening in the operation picture, performing descending ordering on the plurality of first candidate colors left after the n-1 screening;
and determining the nth first candidate color in the plurality of first candidate colors remaining after the n-1 screening as the reference candidate color.
8. The method according to claim 1, wherein the performing of the gradient rendering process on the card ground color of the theme presentation card according to the at least two main colors comprises:
and performing gradient rendering on the card background color of the theme display card according to the at least two main color values and a preset gradient direction.
9. The method of claim 1, wherein the theme presentation card further comprises a theme description and a selection button, wherein the theme description comprises text describing a system theme, and the selection button is used for triggering a system theme download instruction, and the method further comprises:
and performing gradient rendering processing on the font color of the theme description according to the at least two main colors, and performing gradient rendering processing on the color of the selection button.
10. A card ground color generation apparatus for a theme display card, the apparatus comprising:
the system comprises an acquisition module, a display module and a display module, wherein the acquisition module is used for acquiring each color included by an operation picture in a theme display card, the theme display card is used for previewing and displaying a system theme, and the operation picture is a previewing picture of the system theme;
the determining module is used for determining at least two main colors from all colors included in the operation picture, and the areas of color blocks of the main colors in the operation picture meet preset conditions;
and the rendering module is used for performing gradient rendering processing on the card bottom color of the theme display card according to the at least two main colors.
11. A computer device comprising a memory and a processor, the memory storing a computer program which, when executed by the processor, implements the method of any one of claims 1 to 9.
12. A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1 to 9.
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