CN116466900A - Screen display method - Google Patents
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- CN116466900A CN116466900A CN202310398244.9A CN202310398244A CN116466900A CN 116466900 A CN116466900 A CN 116466900A CN 202310398244 A CN202310398244 A CN 202310398244A CN 116466900 A CN116466900 A CN 116466900A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
- G06F3/1407—General aspects irrespective of display type, e.g. determination of decimal point position, display with fixed or driving decimal point, suppression of non-significant zeros
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/44—Arrangements for executing specific programs
- G06F9/451—Execution arrangements for user interfaces
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The invention relates to the technical field of screen display, and particularly discloses a screen display method, which comprises the following steps that S100, electronic equipment determines display content, analyzes and disassembles the display content to obtain display information, wherein the display information comprises the display content and a display mode; step S200, displaying the search graphic system and the vector word stock by taking the display information as a matching reference, and outputting and displaying the vector character information; step S300, if the graphic system and the vector word stock information are not searched, analyzing the information to be searched and reporting the information, generating new vector information by taking the information as a parent, and inputting the new vector information into a vector word stock; the invention adopts a frame buffer mechanism, and realizes the display of various points, lines, planes and various special characters required by the equipment operation interface through the custom setting of the screen graphic system and the vector word stock, thereby constructing the graphic library system and the vector word stock and being beneficial to optimizing the display.
Description
Technical Field
The invention relates to the technical field of screen display, in particular to a screen display method.
Background
A screen is a device or appliance for displaying images and colors. It is divided into a screen and a screen, also called a display screen. The mobile terminal is widely applied to mobile phones, computers, displays, televisions and equipment with image or text display functions, and along with the development of mobile communication technology, the mobile terminal becomes an indispensable part of daily life of people. The terminal is configured higher and the screen size is larger, and the problem of screen display is a hot spot problem in terminal research and development. Along with the continuous development of intellectualization, in the linkage of multi-screen equipment, the problem that a small-screen equipment is thrown on a larger screen frequently occurs, and at the moment, displayed characters are easy to be blurred and unclear occurs, so that the screen display is improved.
The invention discloses a screen display method, intelligent home interaction equipment and a storage medium, belonging to the technical field of intelligent home. The screen display method comprises the following steps: detecting a user distance between a user and the transparent display screen; inquiring and acquiring the display proportion of the image corresponding to the user distance from a pre-stored corresponding relation table of the distance and the display proportion according to the user distance; the distance in the corresponding relation table is positively correlated with the display proportion; controlling the transparent display screen to display the vivid image in a display proportion; and controlling the pixel units of the first area outside the area where the image on the transparent display screen is positioned to be in a transparent state. According to the method, the corresponding proportion of the image images are correspondingly displayed according to the distance between the user and the display screen, when the user is far away from the display screen, the display proportion of the image images is larger, so that the user can see the image images clearly, when the user is near to the display screen, the display proportion of the image images is smaller, the display screen has enough areas to display other contents, and the user experience is improved; however, the invention has obvious defects that when the character is amplified, the saw teeth at the edges of the character can be found once the character is amplified, and the display quality is affected; secondly, when the existing standard vector word stock is displayed, nonstandard characters, such as lines, brackets, special characters and the like, cannot be displayed. Therefore, in order to perfect the display of special characters and ensure clearer content display on a larger screen, we propose a screen display method.
Disclosure of Invention
The invention aims to provide a screen display method which is realized by a dynamic display system, and comprises the following steps of:
step S100, the electronic equipment determines display content, analyzes and disassembles the display content to obtain display information, wherein the display information comprises the display content and a display mode;
step S200, displaying the search graphic system and the vector word stock by taking the display information as a matching reference, and outputting and displaying the vector character information;
step S300, if the graphic system and the vector word stock information are not searched, analyzing the information to be searched and reporting the information, generating new vector information by taking the information as a parent, and inputting the new vector information into a vector word stock;
step S400, then returns to step 200 again, and searches for display information.
As a preferred embodiment of the present invention, the dynamic display system includes an information analysis module, a graphics system, a vector word stock module, a linker module, a matching search module, a vector word stock compiling module, and a decoding output module; the information analysis module is used for analyzing the content and the display mode of the display information; the graphic system and the vector word stock module are used for storing vector word stock and graphic information; the linker module is used for inserting the dynamic kernel when the dynamic display is performed and deleting the dynamic kernel when the dynamic display is performed; the matching retrieval module is used for matching the vector word stock and the graphic information based on the display content; the vector word stock compiling module is used for analyzing unmatched character information; the decoding output module is used for outputting the vector word stock and the graphic information as final display information.
As a preferred embodiment of the present invention, the vector word stock in the method is composed of an index information area and a font data area, wherein the index information includes a position address of vector data of each character in the stock and a length of Chinese character font data, and the font information includes control information and coordinate information of each point.
As a preferred embodiment of the present invention, the method adopts a dynamic linking method, wherein the linking steps are as follows, and the executable file is loaded first, the dynamic linker module is started, all required shared objects are loaded, the relocation operation and the initialization operation of the dynamic linker are carried out, and the control right is given to the entry address of the executable file.
As a preferred embodiment of the present invention, the linker module in the method further comprises a device driver module for dynamically linking the inserted kernel when needed and deleting it directly when not needed.
As a preferred embodiment of the present invention, the graphics system and vector word stock are built by using a frame buffer mechanism.
As a preferred embodiment of the present invention, the step S100 is as follows: and acquiring display instruction information of the electronic equipment, analyzing the instruction information, determining text display content, determining whether a display mode is dynamic display or static display, and outputting the content and the display information.
As a preferred embodiment of the present invention, the step S200 comprises the following steps: firstly, calculating the first address of index information, then continuously reading out index information according to index addresses from a specified vector word stock, then according to the position of font data in the stock and the length of font data in the index information, reading out the position of font data in the stock and the length of font data from the stock, reading out corresponding font data from the stock, finally decoding and restoring to obtain the coordinates of each point with multiple deformed outlines, drawing polygons and filling to obtain vector Chinese characters.
As a preferred embodiment of the present invention, the step S300 comprises the following steps: when the index information cannot be found in step S200, new index information is generated, the character outline information is identified, font data generated by the character outline information is input into the vector font library according to the new index information.
In a preferred embodiment of the present invention, in the step S300, when the value in the index information corresponding library is null, the character outline information is identified, the character outline information is used to generate font data, and the font data is input into the vector word library according to the original index information.
Compared with the prior art, the invention has the beneficial effects that:
on the basis of an l inux system, the method adopts a dynamic link mode, combines a linker driving module of Linux equipment to carry out driving compiling, dynamically inserts a kernel when needed, and directly deletes the kernel when not needed; the driving of the force and different types of display screens is realized; by adopting a frame buffer mechanism, the graphic library system and the vector word library are constructed by the user-defined setting of the screen graphic system and the vector word library, and the display of various points, lines, planes and various special characters required by the equipment operation interface is realized, so that the optimization display is facilitated.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly introduce the drawings that are needed in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present invention.
FIG. 1 is a flow chart of a screen display method of the present invention;
fig. 2 is a diagram of a dynamic display system structure of a screen display method according to the present invention.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-2, the present invention provides a screen display method, which is implemented by a dynamic display system, and includes the following steps:
step S100, the electronic equipment determines display content and analyzes and disassembles the display content to obtain display information, wherein the display information comprises display content and display modes, display instruction information is mainly divided into the display content and the display modes in the step, the content is required to be identified, character information contained in the content and character format information such as a content 'font', a font format 'Song Ti simplified body' are determined, the font format can be Song body, imitation Song body, blackbody, regular script and the like, a font library can be obtained from the Internet, and the display modes are divided into dynamic and non-dynamic display, so that the step is favorable for realizing convenient and subsequent accurate identification of the content disassembles;
in step S200, the display information is used as a matching reference to display and search the graphic system and the vector word stock, and the vector character information is output and displayed, and in this step, the advantages of the mode of establishing the vector word stock are as follows: for each dot-matrix character, a transformation of each pixel of its bitmap is required, compared to when using a dot-matrix word library. When using a library of vector words, each geometric element of each vector character needs to be transformed. In contrast, the dot matrix word stock is fast in display speed, but saw teeth are easy to appear under the condition of scaling; the display effect of the vector word stock is smooth;
step S300, if the information of the graphic system and the vector word stock which are not searched is analyzed, the information is reported, new vector information is generated by taking the information as a female parent, and the vector word stock is input;
step S400, returning to step 200 again, searching for display information, and in this step, by executing steps S200-S300 again, it is beneficial to automatically generating new vector character information, and preventing occurrence of display abnormality caused by non-occurrence characters in the vector character library.
Further, the dynamic display system comprises an information analysis module, a graphic system, a vector word stock module, a linker module, a matching retrieval module, a vector word stock compiling module and a decoding output module; the information analysis module is used for analyzing the content and the display mode of the display information; the graphic system and the vector word stock module are used for storing vector word stock and graphic information; the linker module is used for inserting the dynamic kernel when the dynamic display is performed and deleting the dynamic kernel when the dynamic display is performed; the matching retrieval module is used for matching the vector word stock and the graphic information based on the display content; the vector word stock compiling module is used for analyzing unmatched character information; the decoding output module is used for outputting the vector word stock and the graphic information as final display information, wherein the dynamic display system is formed based on Linux system compiling software.
Further, in the method, the vector word stock is composed of an index information area and a font data area, wherein the index information comprises the position address of the vector data of each character in the stock and the length of the Chinese character font data, the font information comprises control information and coordinate information of each point, the vector Chinese character is displayed according to the following formula according to the built-in code: the method comprises the steps of calculating index information first address of Chinese characters by using index information first address= ((Chinese character machine inner code high-order byte-0 Xa 1) 94+Chinese character machine inner code low-order byte-0 Xa 1) 6, continuously reading index information of 6 bytes from a designated vector word stock according to the index address, reading the position of font data in the stock and the length of font data from the stock according to the position of the font data in the index information and the length of the font data, reading corresponding font data from the stock, finally decoding and restoring to obtain each point coordinate with multi-deformation outline, drawing polygons and filling, and obtaining the vector Chinese characters.
Furthermore, the method adopts a dynamic linking method, which comprises the following linking steps of firstly loading executable files, starting a dynamic linker module, loading all needed shared objects, carrying out relocation operation and initialization operation of the dynamic linker, and giving control to an entry address of the executable files. I.e. the linking process is deferred until the run-time is in progress.
Static linking is the linking of links by a linker to form an executable file prior to execution. Dynamic linking is to load the target file into the memory as required during operation, and if other programs using the same target library file are operated at this time, the target file is not reloaded any more, because the target file is already loaded into the memory at this time, and direct linking is performed. Thus, the disk and memory space can be greatly saved. When the version is released, all programs running depending on the dynamic link library can be completed only by replacing the dynamic link library in the environment.
Furthermore, the linker module in the method also comprises a device driving module which is used for dynamically linking and inserting the kernel when needed and directly deleting the kernel when not needed, and the problem of resource waste is solved by automatically deleting the kernel.
Further, the graphics system and the vector word library are built by using a FrameBuffer mechanism, wherein the FrameBuffer is a driver interface in the 2.2.Xx kernel. Such an interface abstracts the display device into a frame buffer. The user can regard it as an image of the display memory, and after mapping it to the process address space, the user can directly perform read and write operations, and the write operations can immediately be reflected on the screen. The device files of the driver are typically/dev/fb 0,/dev/fb 1, etc. For example, assuming that the current display mode is 1024x768-8 bit color, the screen can be cleared by the following command.
Further, the step S100 includes the following steps: and acquiring display instruction information of the electronic equipment, analyzing the instruction information, determining text display content, determining whether a display mode is dynamic display or static display, and outputting the content and the display information.
Further, the step S200 includes the following steps: firstly, calculating the first address of index information, then continuously reading out index information according to index addresses from a specified vector word stock, then according to the position of font data in the stock and the length of font data in the index information, reading out the position of font data in the stock and the length of font data from the stock, reading out corresponding font data from the stock, finally decoding and restoring to obtain the coordinates of each point with multiple deformed outlines, drawing polygons and filling to obtain vector Chinese characters.
Further, the step S300 includes the following steps: when the index information cannot be found in step S200, new index information is generated, the character outline information is identified, font data generated by the character outline information is input into the vector font library according to the new index information.
Further, in the step S300, when the value in the corresponding library of the index information is null, the character outline information is identified, the character outline information is used to generate font data, and the font data is input into the vector word library according to the original index information.
Examples
The following describes the technical scheme of the invention in detail.
The invention provides a screen display method, which is realized based on a dynamic display system, wherein the dynamic display system comprises an information analysis module, a graphic system, a vector word stock module, a linker module, a matching retrieval module, a vector word stock compiling module and a decoding output module;
the information analysis module is used for analyzing the content and the display mode of the display information;
the graphic system and the vector word stock module are used for storing a vector word stock and graphic information, and further, the graphic system and the vector word stock are established by adopting a frame buffer mechanism, in the method, the vector word stock consists of an index information area and a font data area, wherein the index information comprises the position address of vector data of each character in the stock and the length of Chinese character font data, the font information comprises control information and coordinate information of each point, and the display of various points, lines, planes and various special characters required by an equipment operation interface is realized by adopting the frame buffer mechanism and by self-defining the screen graphic system and the vector word stock, so that the enlarged display is facilitated;
wherein, the vector word stock is a character stock for recording vector information of each character. The basic principle is that according to a certain mathematical model, the strokes of each character are decomposed into various straight lines and curves defined in the mathematical model, and then the parameters of the straight lines and curves are recorded. When the character is displayed, the lines are drawn according to the specific size and the recorded parameters, so that the original character is restored; center sentence: the vector word library consists of an index information area and a font data area; and the function of the display card is simulated by the frame buffer mechanism, the hardware structure of the display card is abstracted, and the operation of the display memory can be directly performed through reading and writing of the frame buffer. The user can regard the Framebuffer as an image of the display memory, and after mapping the image to the process address space, the user can directly perform read-write operation, and the write operation can immediately react on the screen. This operation is abstract and uniform. The user does not have to be concerned with the specific details of the location of the physical memory, the page changing mechanism, etc. These are all done by the Framebuffer device driver; for vector word base formats such as vector word base HZKSLSTJ (Song Ti simplified), HZKSLFSJ (simulated Song Jianti), HZKSLKTJ (regular script simplified), HZKSLHTJ (bold simplified), the index information length of the vector word base format is 6 bytes, the first four bytes are the starting position of the Chinese character vector data in the base, and the second two bytes are the length of the Chinese character pattern data.
The linker module is used for inserting the dynamic kernel when the dynamic display is performed and deleting the dynamic kernel when the dynamic display is performed;
further, in the method, a dynamic linking method is adopted, and the linking steps are as follows, namely, firstly loading an executable file, starting a dynamic linker module, loading all required shared objects, carrying out repositioning operation and initializing operation of the dynamic linker, and giving control right to an entry address of the executable file; the linker module in the method also comprises a device driving module which is used for dynamically linking and inserting the kernel when needed and directly deleting the kernel when not needed, thereby being beneficial to reducing occupation.
The matching retrieval module is used for matching the vector word stock and the graphic information based on the display content;
the vector word stock compiling module is used for analyzing unmatched character information; the decoding output module is used for outputting the vector word stock and the graphic information as final display information.
The invention provides a screen display method which comprises the following detailed steps:
step S100, the electronic equipment determines display content, analyzes and disassembles the display content to obtain display information, wherein the display information comprises the display content and a display mode;
the step S100 comprises the following steps in detail: acquiring display instruction information of the electronic equipment, analyzing the instruction information, determining text display content, determining whether a display mode is dynamic display or static display, and outputting the content and the display information;
step S200, displaying the search graphic system and the vector word stock by taking the display information as a matching reference, and outputting and displaying the vector character information;
the step S200 comprises the following steps: firstly, calculating the first address of index information, then continuously reading out index information according to the index address from a specified vector word stock, then reading out the position of the font data in the stock and the length of the font data from the stock according to the position of the font data in the stock and the length of the font data in the index information, reading out corresponding font data from the stock, finally, decoding and restoring to obtain the coordinates of each point with multiple deformed outlines, drawing polygons and filling to obtain vector Chinese characters;
step S300, if the graphic system and the vector word stock information are not searched, analyzing the information to be searched and reporting the information, generating new vector information by taking the information as a parent, and inputting the new vector information into a vector word stock; the step S300 comprises the following steps: when the index information cannot be found in the step S200, generating new index information, identifying the character outline information, generating font data by the character outline information, and inputting the font data into a vector font library according to the new index information; when the numerical value in the index information corresponding library is empty, identifying the character outline information, generating font data by the character outline information, and inputting the font data into a vector word library according to the original index information;
step S400, then returns to step 200 again, and searches for display information.
In summary, the invention adopts a dynamic link mode based on the I inux system, combines a linker driving module of Linux equipment to carry out driving compiling, dynamically inserts the kernel when needed, and directly deletes the kernel when not needed; the driving of the force and different types of display screens is realized; by adopting a frame buffer mechanism, the graphic library system and the vector word library are constructed by the user-defined setting of the screen graphic system and the vector word library, and the display of various points, lines, planes and various special characters required by the equipment operation interface is realized, so that the optimization display is facilitated.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (10)
1. A screen display method, characterized in that the method is implemented by a dynamic display system, the method comprising the steps of:
step S100, the electronic equipment determines display content, analyzes and disassembles the display content to obtain display information, wherein the display information comprises the display content and a display mode;
step S200, displaying the search graphic system and the vector word stock by taking the display information as a matching reference, and outputting and displaying the vector character information;
step S300, if the graphic system and the vector word stock information are not searched, analyzing the information to be searched and reporting the information, generating new vector information by taking the information as a parent, and inputting the new vector information into a vector word stock;
step S400, then returns to step 200 again, and searches for display information.
2. The screen display method according to claim 1, wherein the dynamic display system comprises an information analysis module, a graphic system, a vector word stock module, a linker module, a matching retrieval module, a vector word stock compiling module, and a decoding output module;
the information analysis module is used for analyzing the content and the display mode of the display information; the graphic system and the vector word stock module are used for storing vector word stock and graphic information;
the linker module is used for inserting the dynamic kernel when the dynamic display is performed and deleting the dynamic kernel when the dynamic display is performed; the matching retrieval module is used for matching the vector word stock and the graphic information based on the display content;
the vector word stock compiling module is used for analyzing unmatched character information; the decoding output module is used for outputting the vector word stock and the graphic information as final display information.
3. A screen display method according to claim 2, wherein the vector word stock in the method is composed of an index information area and a font data area, wherein the index information includes a position address of vector data of each character in the stock and a length of font data of Chinese characters, and the font information includes control information and coordinate information of each point.
4. A screen display method according to claim 3, wherein the method adopts a dynamic linking method, and the linking steps are as follows, firstly loading the executable file, starting the dynamic linker module itself, loading all required shared objects, repositioning and initializing the dynamic linker, and giving control to the entry address of the executable file.
5. The method of claim 4, wherein the linker module further comprises a device driver module for dynamically linking the add-in kernel when needed and deleting it directly when not needed.
6. The method of claim 5, wherein the graphics system and the vector word stock are built using a frame buffer mechanism.
7. The method of on-screen display according to claim 6, wherein the step S100 comprises the following steps: and acquiring display instruction information of the electronic equipment, analyzing the instruction information, determining text display content, determining whether a display mode is dynamic display or static display, and outputting the content and the display information.
8. The method of claim 7, wherein the step S200 comprises the following steps:
firstly, calculating an index information first address, then continuously reading out index information according to the index address from a specified vector word stock, and then according to the position of the font data in the stock and the length of the font data in the index information;
and reading out the position of the font data in the library and the length of the font data from the library, reading out the corresponding font data from the library, finally decoding and restoring to obtain the coordinates of points with multi-deformation outlines, drawing polygons and filling to obtain the vector Chinese characters.
9. The method of claim 8, wherein the step S300 comprises the following steps: when the index information cannot be found in step S200, new index information is generated, the character outline information is identified, font data generated by the character outline information is input into the vector font library according to the new index information.
10. The method according to claim 9, wherein in the step S300, when the value in the index information corresponding library is null, the character outline information is identified, the character outline information is used to generate font data, and the font data is entered into the vector font library according to the original index information.
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