CN112419445A - Primitive state switching method and device based on layer switching and storage medium - Google Patents
Primitive state switching method and device based on layer switching and storage medium Download PDFInfo
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- CN112419445A CN112419445A CN202011487558.9A CN202011487558A CN112419445A CN 112419445 A CN112419445 A CN 112419445A CN 202011487558 A CN202011487558 A CN 202011487558A CN 112419445 A CN112419445 A CN 112419445A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/20—Drawing from basic elements, e.g. lines or circles
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T11/00—2D [Two Dimensional] image generation
- G06T11/40—Filling a planar surface by adding surface attributes, e.g. colour or texture
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/20—Linear translation of a whole image or part thereof, e.g. panning
Abstract
The invention discloses a primitive state switching method, a device and a storage medium based on layer switching, and the primitive state switching method based on layer switching comprises the following steps: determining the current display state of the primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers; and controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area. The primitive state switching method, device and storage medium based on layer switching disclosed by the embodiment of the invention can improve the efficiency and fluency of primitive state switching.
Description
Technical Field
The embodiment of the invention provides an image processing technology, and particularly relates to a primitive state switching method and device based on layer switching and a storage medium.
Background
Any one of the graphic expressions is composed of a plurality of different dots, lines, plane patterns or the same pattern cycle, and these dots, lines, plane patterns are basic graphic elements, which are called primitives for short. Primitives are the basic graphic entities of graphic elements to construct complex geometric images and frames.
One primitive may have a plurality of different state modes, and the existing primitive state switching method is implemented by redrawing each primitive in an interface, but the switching method is easy to be stuck, and particularly when the number of primitive elements is extremely large, the elements in the primitives cannot be displayed on a page in time. Therefore, the current primitive state switching method has poor demonstration and usability.
Disclosure of Invention
The invention provides a primitive state switching method and device based on layer switching and a storage medium, which can improve the efficiency and the fluency of primitive state switching.
In a first aspect, an embodiment of the present invention provides a primitive state switching method based on layer switching, including:
determining the current display state of the primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers;
and controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area.
In a possible implementation manner of the first aspect, the current display state includes a layer list to be displayed of the primitive, and the layer list to be displayed includes layer information to be displayed;
controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein the method comprises the following steps:
sequentially judging whether each layer in the primitives exists in a layer list to be displayed or not according to the relation between the primitive state and the layers;
and controlling the layers existing in the layer list to be displayed in the drawing area, and controlling the layers not existing in the layer list to be displayed to be hidden.
In a possible implementation manner of the first aspect, the primitive includes at least two display states, a correspondence between each display state and the layer, a size of the primitive, a name of the primitive, and layer information.
In a possible implementation manner of the first aspect, each layer information of the primitive includes a layer name and primitive data, and the primitive data includes a shape, a position, a scaling ratio, and a rotation angle of a primitive basic element.
In a possible implementation manner of the first aspect, before determining the current display state of the primitive, the method further includes:
and according to the primitive data of each layer of the primitives, filling primitive basic elements into the drawing area in the drawing area.
In a second aspect, an embodiment of the present invention provides a primitive state switching device based on layer switching, including:
the state determining module is used for determining the current display state of the primitive, the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers;
and the layer switching module is used for controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area.
In a possible implementation manner of the second aspect, the current display state includes a layer list to be displayed of the primitive, and the layer list to be displayed includes layer information to be displayed;
the layer switching module is specifically used for sequentially judging whether each layer in the primitives exists in a layer list to be displayed according to the relation between the primitive state and the layer; and controlling the layers existing in the layer list to be displayed in the drawing area, and controlling the layers not existing in the layer list to be displayed to be hidden.
In a possible implementation manner of the second aspect, the primitive includes at least two display states, a corresponding relationship between each display state and the layer, a size of the primitive, a name of the primitive, and layer information;
and each layer information of the primitive comprises a layer name and primitive data, and the primitive data comprises the shape, the position, the scaling and the rotation angle of a primitive basic element.
In a possible implementation manner of the second aspect, the primitive state switching device based on layer switching further includes: and the layer drawing module is used for filling the primitive basic elements into the drawing area in the drawing area according to the primitive data of each layer of the primitives.
In a third aspect, an embodiment of the present invention provides a computer-readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements any method for switching primitive states based on layer switching according to the first aspect.
According to the method, the device and the storage medium for switching the primitive states based on the layer switching, the current display state of the primitive is determined firstly, the current display state comprises layer information to be displayed of the primitive, the primitive comprises at least two layers, then the layers to be displayed of the primitive are controlled to be displayed in a drawing area and other layers of the primitive are controlled to be hidden according to the relation between the primitive state and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area, and the efficiency and the fluency of primitive state switching are greatly improved.
Drawings
Fig. 1 is a flowchart of a primitive state switching method based on layer switching according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a primitive structure according to an embodiment of the present invention;
fig. 3 is a flowchart of another primitive state switching method based on layer switching according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a primitive state switching device based on layer switching according to an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Fig. 1 is a flowchart of a primitive state switching method based on layer switching according to an embodiment of the present invention, and as shown in fig. 1, the primitive state switching method based on layer switching according to the embodiment includes:
step S101, determining the current display state of the primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers.
The method for switching primitive states based on layer switching provided by this embodiment is used to control switching of primitive states in a graphical interface drawn based on primitives. In the conventional process of switching the primitive states, if the primitive states in the interface need to be switched, each primitive in the interface needs to be redrawn, which obviously needs a certain time, and if more primitive elements in the interface are present, the display speed of the primitive elements in the interface is affected.
In order to solve the above problem, in this embodiment, the primitives are redefined, each primitive is divided into a plurality of layers, each layer includes one or more primitive basic elements, the primitive basic elements included in each layer are filled into the drawing area in advance, and then the layers that need to be displayed are displayed according to the display states of the primitives and the layers that do not need to be displayed are hidden, so that the primitive elements in the primitives are prevented from being redrawn, and the primitive switching efficiency is improved.
Firstly, a plurality of display states are configured for the graphic elements, and each display state comprises a plurality of layer information. In this embodiment, in order to implement primitive state switching based on layer switching, each primitive needs to include at least two layers. The display state of the primitive is composed of one or more layers, each layer comprises one or more primitive basic elements, and all the primitive basic elements of one or more layers which form the primitive are combined to form the display state of the primitive. If the primitive is to be switched to a display state, only primitive basic elements on each layer corresponding to the display state need to be displayed.
And when the primitive switching is required, receiving primitive switching information, wherein the primitive switching information comprises the current display state of the primitive. The current display state of the primitive may be number information corresponding to a preset current display state, or the current display state may include layer information to be displayed of the primitive corresponding to the state to be displayed.
And S102, controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein the primitive basic elements in each layer of the primitive are filled into the drawing area.
In order to implement the primitive state switching based on layer switching, a relationship between the primitive state and the layer needs to be preset, and the relationship may be a preset relationship correspondence table, or the relationship may be obtained from a determined current display state of the primitive. According to the relation between the primitive state and the layer, the layer information to be displayed of the primitive corresponding to the current display state of the primitive can be determined. And the primitive basic elements in each layer of the primitive are filled into the drawing area, that is, the primitive basic elements in each layer of the primitive are drawn before the primitive state switching is carried out.
The layers to be displayed for the primitives can be controlled to be displayed in the drawing area and the other layers of the primitives can be controlled to be hidden, so that the finished primitives composed of the primitive basic elements in one or more layers to be displayed can be directly displayed in the drawing area. The primitive state switching method based on layer switching provided by the embodiment does not need to draw primitive elements, only needs to control different layers of the primitives to display or hide after determining the current display state of the primitives, greatly improves the primitive state switching efficiency, improves the smoothness of primitive state switching, and improves the efficiency more obviously under the condition of more primitive elements. And because the definition under a plurality of states is included, any state in the vector graphics primitive can be rapidly switched and displayed at any time, and the applicability to products is improved.
In order to implement the method for switching primitive states based on layer switching provided in this embodiment, a primitive needs to be redefined, and fig. 2 is a schematic diagram of a primitive structure provided in the embodiment of the present invention, as shown in fig. 2, a primitive may include primitive basic information, where the primitive basic information includes a current state 21 of the primitive, a relationship 22 between the primitive state and the layer, a size 23 of the primitive, a name 24 of the primitive, and layer information 25. One of the graphic elements comprises at least two display states, each display state has a corresponding relationship between the graphic element state and the layer, and the size of the graphic element can be the width and the height of the graphic element. The layer information comprises a layer name and primitive data, and the primitive data comprises the shape, the position, the scaling and the rotation angle of a primitive basic element. Primitive basis elements include basic primitive elements such as lines, circles, ellipses, rectangles, and the like. The position of the primitive may be, for example, the starting point information of the primitive basic element. According to the primitive data of each layer, primitive basic elements can be filled into the drawing area in the drawing area.
In addition, primitive base elements are also populated into the drawing area in accordance with the primitive data for each layer of the primitive, prior to determining the current display state of the primitive.
The method for switching primitive states based on layer switching provided by this embodiment determines a current display state of a primitive, where the current display state includes layer information to be displayed for the primitive, and the primitive includes at least two layers, and then controls, according to a relationship between the primitive state and the layers, the layers to be displayed for the primitive to be displayed in a drawing area and other layers of the primitive to be hidden, where primitive basic elements in each layer of the primitive have been filled into the drawing area, thereby greatly improving efficiency and smoothness of primitive state switching.
Fig. 3 is a flowchart of another primitive state switching method based on layer switching according to an embodiment of the present invention, and as shown in fig. 3, the primitive state switching method based on layer switching according to the embodiment includes:
step S301, determining a current display state of the primitive, wherein the current display state comprises a layer list to be displayed of the primitive, the layer list to be displayed comprises layer information to be displayed, and the primitive comprises at least two layers.
Step S302, traversing each layer corresponding to the primitive according to the relation between the primitive state and the layer.
Step S303, determining whether there is any layer, if yes, executing step S204, otherwise, completing the primitive state switching.
Step S304, judging whether the current layer exists in the display layer list, if so, displaying the current layer, and otherwise, hiding the current layer.
Step S305, after the judgment of the current layer is completed, step S203 is continuously executed, and a judgment is continuously performed on the next layer.
That is to say, the current display state includes a to-be-displayed layer list of the primitive, then according to the relation between the primitive state and the layers, whether each layer in the primitive exists in the to-be-displayed layer list is sequentially judged, then the layers existing in the to-be-displayed layer list are controlled to be displayed in the drawing area, and the layers not existing in the to-be-displayed layer list are controlled to be hidden.
The method for switching primitive states based on layer switching according to the embodiment of the present invention is described in detail below. Take the graphic element a as an example. The known picture element A is a combined figure which consists of a straight line and a rectangle. The graphic element A has 4 layers: there is a rectangle in layer 1 and the background color is white, there is a rectangle in layer 2 and the background color is red, there is a straight line in layer 3 and the color is blue, there is a straight line in layer 4 and the color is green. Primitive a has 2 states: and the layer list of the state 1 comprises only the layer 1 and the layer 4, and the layer list of the state 2 comprises only the layer 2 and the layer 3. When the state of the primitive A is switched to the state 1, the primitive A displays the layer 1, the hidden layer 2, the hidden layer 3 and the display layer 4 according to the corresponding relation, so that the state 1 of the primitive A is formed by a green straight line and a white rectangle. When the state of the primitive A is 2, correspondingly hiding the layer 1, displaying the layer 2, displaying the layer 3 and hiding the layer 4 according to the relation, so that the state 2 of the primitive A is formed by a blue straight line and a red-bottom rectangle.
Fig. 4 is a schematic structural diagram of a primitive state switching device based on layer switching according to an embodiment of the present invention, and as shown in fig. 4, the primitive state switching device based on layer switching according to the embodiment includes:
the state determining module 41 is configured to determine a current display state of the primitive, where the current display state includes layer information to be displayed by the primitive, and the primitive includes at least two layers.
And the layer switching module 42 is configured to control, according to a relationship between the primitive state and the layers, the layer to be displayed of the primitive to be displayed in the drawing area and control other layers of the primitive to be hidden, where primitive basic elements in each layer of the primitive are filled into the drawing area.
The primitive state switching device based on layer switching provided in this embodiment is used to implement the technical scheme of the primitive state switching method based on layer switching shown in fig. 1, and the implementation principle and the technical effect are similar, which are not described herein again.
On the basis of the embodiment shown in fig. 4, the current display state includes a layer list to be displayed of the primitive, and the layer list to be displayed includes layer information to be displayed; the layer switching module 42 is specifically configured to sequentially determine whether each layer in the primitives exists in a layer list to be displayed according to a relationship between the primitive state and the layer; and controlling the layers existing in the layer list to be displayed in the drawing area, and controlling the layers not existing in the layer list to be displayed to be hidden.
On the basis of the embodiment shown in fig. 4, the primitive includes at least two display states, a corresponding relationship between each display state and the layer, a size of the primitive, a name of the primitive, and layer information; and each layer information of the primitive comprises a layer name and primitive data, and the primitive data comprises the shape, the position, the scaling and the rotation angle of a primitive basic element.
On the basis of the embodiment shown in fig. 4, the primitive state switching device based on layer switching further includes: and the layer drawing module is used for filling the primitive basic elements into the drawing area in the drawing area according to the primitive data of each layer of the primitives.
The present invention also provides a storage medium containing computer-executable instructions which, when executed by a computer processor, perform a method for primitive state switching based on layer switching, the method comprising: determining the current display state of the primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers; and controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A primitive state switching method based on layer switching is characterized by comprising the following steps:
determining a current display state of a primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers;
and controlling the layer to be displayed of the primitive to be displayed in a drawing area and controlling other layers of the primitive to be hidden according to the relation between the state of the primitive and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area.
2. The method according to claim 1, wherein the current display state comprises a to-be-displayed layer list of the primitive, the to-be-displayed layer list comprising layer information to be displayed;
the controlling the layer of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the primitive state and the layers comprises the following steps:
sequentially judging whether each layer in the primitives exists in the layer list to be displayed or not according to the relation between the primitive state and the layers;
and controlling the layer existing in the layer list to be displayed in a drawing area, and controlling the layer not existing in the layer list to be displayed to be hidden.
3. The method according to claim 1 or 2, wherein the primitive comprises at least two display states, a corresponding relationship between each display state and a layer, a size of the primitive, a name of the primitive, and layer information.
4. The method according to claim 3, wherein each layer information of the primitive comprises a layer name and primitive data, and the primitive data comprises a shape, a position, a scaling ratio and a rotation angle of a primitive basic element.
5. The method of claim 4, wherein prior to determining the current display state of the primitive, further comprising:
and filling primitive basic elements into the drawing area in the drawing area according to the primitive data of each layer of the primitives.
6. A primitive state switching device based on layer switching is characterized by comprising:
the state determination module is used for determining the current display state of a primitive, wherein the current display state comprises layer information to be displayed of the primitive, and the primitive comprises at least two layers;
and the layer switching module is used for controlling the layer to be displayed of the primitive to be displayed in the drawing area and controlling other layers of the primitive to be hidden according to the relation between the state of the primitive and the layers, wherein primitive basic elements in each layer of the primitive are filled into the drawing area.
7. The apparatus according to claim 6, wherein the current display state includes a to-be-displayed layer list of the primitive, the to-be-displayed layer list including layer information to be displayed;
the layer switching module is specifically configured to sequentially determine whether each layer in the primitives exists in the layer list to be displayed according to a relationship between a primitive state and the layer; and controlling the layer existing in the layer list to be displayed in a drawing area, and controlling the layer not existing in the layer list to be displayed to be hidden.
8. The apparatus according to claim 6 or 7, wherein the primitive comprises at least two display states, a corresponding relationship between each display state and a layer, a size of the primitive, a name of the primitive, and layer information;
and each layer information of the primitive comprises a layer name and primitive data, and the primitive data comprises the shape, the position, the scaling and the rotation angle of a primitive basic element.
9. The apparatus of claim 8, further comprising: and the layer drawing module is used for filling primitive basic elements into a drawing area in the drawing area according to the primitive data of each layer of the primitives.
10. A computer-readable storage medium, on which a computer program is stored, wherein the program, when executed by a processor, implements the method for switching primitive states based on layer switching according to any one of claims 1 to 5.
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