CN110929471A - Method and terminal for displaying rich text and electronic equipment - Google Patents
Method and terminal for displaying rich text and electronic equipment Download PDFInfo
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Abstract
The invention discloses a method for displaying rich text, a terminal and electronic equipment, wherein the method comprises the following steps: receiving rich text data information; determining the height and length information of the rich text data according to the rich text data information; acquiring height and width information of a display, and determining a display mode of the rich text data on the display according to the height and length information of the rich text data; calculating and determining a starting position and an ending position for drawing the rich text data; and setting a timing clock with a drawing period, and drawing the rich text data once from the starting position to the ending position according to the display mode in each drawing period. The invention enables rich text data to be displayed on a display.
Description
Technical Field
The invention relates to the technical field of education informatization, in particular to a method, a terminal and electronic equipment for displaying rich texts.
Background
At present, terminal equipment such as an electronic whiteboard and an electronic class board is increasingly popularized in the field of modern education, and various information such as characters and multimedia can be played and displayed by using the electronic whiteboard and the electronic class board. The rich text format is a cross-platform document format, and the existing electronic whiteboard and electronic class board cannot display rich text data.
Disclosure of Invention
In view of the above, the present invention is directed to a method for displaying a rich text, a terminal and an electronic device, where the terminal is capable of displaying rich text data.
Based on the above purpose, the present invention provides a method for displaying rich text, comprising:
s10: receiving rich text data information;
s11: determining the height and length information of the rich text data according to the rich text data information;
s12: acquiring height and width information of a display, and determining a display mode of the rich text data on the display according to the height and length information of the rich text data;
s13: calculating and determining a starting position and an ending position for drawing the rich text data;
s14: and setting a timing clock with a drawing period, and drawing the rich text data once from the starting position to the ending position according to the display mode in each drawing period.
Optionally, the information of the rich text data includes a font, a text line number, a line spacing, and a single-line maximum text length, and the height of the rich text data is determined by calculation according to the font, the text line number, and the line spacing; the length of the rich text data is determined according to the font and the maximum text length of the single line.
Optionally, during the initial drawing, the starting position is the leftmost end of the display, and the ending position is the rightmost end of the display; in the display process, according to a preset speed and a timing clock, the rich text data moves from right to left in the display, and the positions during drawing are calculated in sequence.
The embodiment of the invention also provides a terminal for displaying rich text, which comprises:
the data receiving module is used for receiving rich text data information;
the parameter acquisition module is used for acquiring the height and length information of the rich text data and the height and width information of the display according to the rich text data information;
the clock module is used for setting a timing clock with a drawing period;
and the drawing module is used for determining the display mode of the rich text data on the display according to the height and length information of the rich text data and the height and width information of the display, calculating the starting position and the ending position of the drawing of the rich text data on the display, and drawing the rich text data from the starting position to the ending position in each drawing period according to the display mode.
Optionally, the information of the rich text data includes a font, a text line number, a line spacing, and a single-line maximum text length, and the height of the rich text data is determined by calculation according to the font, the text line number, and the line spacing; the length of the rich text data is determined according to the font and the maximum text length of the single line.
Optionally, during the initial drawing, the starting position is the leftmost end of the display, and the ending position is the rightmost end of the display; in the display process, according to a preset speed and a timing clock, the rich text data moves from right to left in the display, and the positions during drawing are calculated in sequence.
The embodiment of the present invention further provides an electronic device, which includes a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method for displaying rich text when executing the program.
As can be seen from the foregoing, the method for displaying rich text, the terminal and the electronic device provided by the invention can display rich text data on the display.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to specific embodiments and the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
FIG. 1 is a schematic flow chart of a method according to an embodiment of the present invention. As shown in the figure, the method for displaying the rich text, disclosed by the invention, comprises the following steps:
s10: receiving rich text data information;
s11: determining the height and length information of the rich text data according to the rich text data information;
in the embodiment of the invention, the height of the rich text data is determined by calculation according to the font, the text line number and the line spacing. The length of the rich text data is determined according to the font, the maximum text length of a single line. The font, the text line number and the line spacing can be obtained according to the received rich text data information.
S12: acquiring height and width information of a display, and determining a display mode of the rich text data on the display according to the height and length information of the rich text data;
in the embodiment of the invention, the command format for acquiring the height and width information of the display is QAPPLICATION:primaryScreen () - > geometry ().
In the embodiment of the invention, if the length of the rich text data is greater than the width of the display, the rich text data is displayed in a circular rolling mode; and if the length of the rich text data is less than or equal to the width of the display, the display displays all the rich text data.
The height at which the sender sends the rich text data is limited not to exceed the height of the display.
S13: calculating and determining a starting position and an ending position for drawing the rich text data;
and during initial drawing, determining the starting position as the leftmost end of the display and the ending position as the rightmost end of the display. In the display process, according to the preset speed and the timing clock, the rich text data moves from right to left, and the position during drawing is calculated.
According to the relationship between the length of the rich text data and the width of the display, the following cases are classified:
the first is that the total length of the rich text data does not exceed the width of the display. And when the start data of the rich text data is not moved to the leftmost end of the display and the end data of the rich text data is not within the display range of the display, drawing the displayable part of the rich text data in the display. And when the start data of the rich text data is not moved to the leftmost end of the display and the end data of the rich text data is within the display range of the display, drawing the whole rich text data. When the start data of the rich text data has moved beyond the leftmost end of the display and the end data of the rich text data is within the display range of the display, then the rich text data that has moved out of the left side of the display is drawn on the right side of the display and the rich text data within the display range is drawn on the left side of the display.
The second is that the total length of the rich text data exceeds the width of the display. And when the start data of the rich text data is not moved to the leftmost end of the display and the end data of the rich text data is not within the display range of the display, drawing the displayable part of the rich text data in the display. And when the starting data of the rich text data moves to the position beyond the leftmost end of the display and the ending data of the rich text data is not in the display range, drawing the displayable part of the rich text data in the display. When the start data of the rich text data is moved to the left end of the display and the end data of the rich text data is within the display range of the display, the part of the rich text data which can be displayed in the display is drawn on the left side of the display, and the rich text which is moved out from the left side of the display is drawn on the right side of the display.
S14: setting a timing clock with a drawing period, and drawing the rich text data once from the starting position to the ending position determined by calculation according to the determined display mode in each drawing period.
Fig. 2 is a schematic structural diagram of a terminal according to an embodiment of the present invention. As shown in the figure, the terminal for displaying rich text provided by the embodiment of the present invention includes:
the data receiving module is used for receiving rich text data information;
the parameter acquisition module is used for acquiring the height and length information of the rich text data and the height and width information of the display according to the rich text data information;
the clock module is used for setting a timing clock with a drawing period;
and the drawing module is used for determining the display mode of the rich text data on the display according to the height and length information of the rich text data and the height and width information of the display, calculating the starting position and the ending position of the rich text data on the display, and drawing the rich text data from the starting position to the ending position in each drawing period according to the display mode.
In view of the above object, an embodiment of the present invention further provides an apparatus for performing the method for presenting a rich text. The device comprises:
one or more processors, and a memory.
The apparatus for performing the method of presenting rich text may further include: an input device and an output device.
The processor, memory, input device, and output device may be connected by a bus or other means.
The memory, which is a non-volatile computer-readable storage medium, may be used to store a non-volatile software program, a non-volatile computer-executable program, and modules, such as program instructions/modules (e.g., the parameter obtaining module and the drawing module shown in fig. 2) corresponding to the method for presenting rich text in the embodiment of the present invention. The processor executes various functional applications and data processing of the server by running nonvolatile software programs, instructions and modules stored in the memory, namely, the method for displaying rich text of the above method embodiment is realized.
The memory may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to use of a device performing the method of presenting rich text, and the like. Further, the memory may include high speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid state storage device. In some embodiments, the memory optionally includes memory remotely located from the processor, and these remote memories may be connected to the member user behavior monitoring device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The input device may receive input numeric or character information and generate key signal inputs related to user settings and function controls of the device performing the method of presenting rich text. The output device may include a display device such as a display screen.
The one or more modules are stored in the memory and, when executed by the one or more processors, perform a method of presenting rich text in any of the method embodiments described above. The technical effect of the embodiment of the device for executing the method for displaying the rich text is the same as or similar to that of any method embodiment.
The embodiment of the invention also provides a non-transitory computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions can execute the processing method of the list item operation in any method embodiment. Embodiments of the non-transitory computer storage medium may be the same or similar in technical effect to any of the method embodiments described above.
Finally, it should be noted that, as will be understood by those skilled in the art, all or part of the processes in the methods of the above embodiments may be implemented by a computer program that can be stored in a computer-readable storage medium and that, when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like. The technical effect of the embodiment of the computer program is the same as or similar to that of any of the method embodiments described above.
Furthermore, the apparatuses, devices, etc. described in the present disclosure may be various electronic terminal devices, such as a mobile phone, a Personal Digital Assistant (PDA), a tablet computer (PAD), a smart television, etc., and may also be large terminal devices, such as a server, etc., and therefore the scope of protection of the present disclosure should not be limited to a specific type of apparatus, device. The client disclosed by the present disclosure may be applied to any one of the above electronic terminal devices in the form of electronic hardware, computer software, or a combination of both.
Furthermore, the method according to the present disclosure may also be implemented as a computer program executed by a CPU, which may be stored in a computer-readable storage medium. The computer program, when executed by the CPU, performs the above-described functions defined in the method of the present disclosure.
Further, the above method steps and system elements may also be implemented using a controller and a computer readable storage medium for storing a computer program for causing the controller to implement the functions of the above steps or elements.
Further, it should be appreciated that the computer-readable storage media (e.g., memory) described herein can be either volatile memory or nonvolatile memory, or can include both volatile and nonvolatile memory. By way of example, and not limitation, nonvolatile 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), which can act as external cache memory. By way of example and not limitation, RAM is available in a variety of forms such as synchronous RAM (DRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), and Direct Rambus RAM (DRRAM). The storage devices of the disclosed aspects are intended to comprise, without being limited to, these and other suitable types of memory.
Those of skill would further appreciate that the various illustrative logical blocks, modules, circuits, and algorithm steps described in connection with the disclosure herein may be implemented as electronic hardware, computer software, or combinations of both. To clearly illustrate this interchangeability of hardware and software, various illustrative components, blocks, modules, circuits, and steps have been described above generally in terms of their functionality. Whether such functionality is implemented as software or hardware depends upon the particular application and design constraints imposed on the overall system. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present disclosure.
The various illustrative logical blocks, modules, and circuits described in connection with the disclosure herein may be implemented or performed with the following components designed to perform the functions described herein: a general purpose processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any combination of these components. A general purpose processor may be a microprocessor, but in the alternative, the processor may be any conventional processor, controller, microcontroller, or state machine. A processor may also be implemented as a combination of computing devices, e.g., a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
The steps of a method or algorithm described in connection with the disclosure herein may be embodied directly in hardware, in a software module executed by a processor, or in a combination of the two. A software module may reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art. An exemplary storage medium is coupled to the processor such the processor can read information from, and write information to, the storage medium. In the alternative, the storage medium may be integral to the processor. The processor and the storage medium may reside in an ASIC. The ASIC may reside in a user terminal. In the alternative, the processor and the storage medium may reside as discrete components in a user terminal.
In one or more exemplary designs, the functions may be implemented in hardware, software, firmware, or any combination thereof. If implemented in software, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another. A storage media may be any available media that can be accessed by a general purpose or special purpose computer. By way of example, and not limitation, such computer-readable media can comprise RAM, ROM, EEPROM, CD-ROM or other optical disk storage, magnetic disk storage or other magnetic storage devices, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a general-purpose or special-purpose computer, or a general-purpose or special-purpose processor. Also, any connection is properly termed a computer-readable medium. For example, if the software is transmitted from a website, server, or other remote source using a coaxial cable, fiber optic cable, twisted pair, Digital Subscriber Line (DSL), or wireless technologies such as infrared, radio, and microwave, then the coaxial cable, fiber optic cable, twisted pair, DSL, or wireless technologies such as infrared, radio, and microwave are included in the definition of medium. Disk and disc, as used herein, includes Compact Disc (CD), laser disc, optical disc, Digital Versatile Disc (DVD), floppy disk, blu-ray disc where disks usually reproduce data magnetically, while discs reproduce data optically with lasers. Combinations of the above should also be included within the scope of computer-readable media.
Disclosed exemplary embodiments should be noted, however, that various changes and modifications could be made herein without departing from the scope of the disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosure may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a," "an," "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The above-mentioned serial numbers of the embodiments of the present disclosure are merely for description and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of an embodiment of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (7)
1. A method of presenting rich text, comprising:
s10: receiving rich text data information;
s11: determining the height and length information of the rich text data according to the rich text data information;
s12: acquiring height and width information of a display, and determining a display mode of the rich text data on the display according to the height and length information of the rich text data;
s13: calculating and determining a starting position and an ending position for drawing the rich text data;
s14: and setting a timing clock with a drawing period, and drawing the rich text data once from the starting position to the ending position according to the display mode in each drawing period.
2. The method of claim 1, wherein the rich text data information comprises a font, a number of lines of text, a line spacing, a single line maximum text length, and wherein the height of the rich text data is determined by calculation based on the font, the number of lines of text, and the line spacing; the length of the rich text data is determined according to the font and the maximum text length of the single line.
3. The method of claim 1, wherein the starting position is the leftmost end of the display and the ending position is the rightmost end of the display when the drawing is performed for the first time; in the display process, according to a preset speed and a timing clock, the rich text data moves from right to left in the display, and the positions during drawing are calculated in sequence.
4. A terminal for presenting rich text, comprising:
the data receiving module is used for receiving rich text data information;
the parameter acquisition module is used for acquiring the height and length information of the rich text data and the height and width information of the display according to the rich text data information;
the clock module is used for setting a timing clock with a drawing period;
and the drawing module is used for determining the display mode of the rich text data on the display according to the height and length information of the rich text data and the height and width information of the display, calculating the starting position and the ending position of the drawing of the rich text data on the display, and drawing the rich text data from the starting position to the ending position in each drawing period according to the display mode.
5. The terminal according to claim 4, wherein the rich text data information comprises a font, a text line number, a line spacing, a single line maximum text length, and the height of the rich text data is determined by calculation based on the font, the text line number, and the line spacing; the length of the rich text data is determined according to the font and the maximum text length of the single line.
6. The terminal of claim 4, wherein the starting position is the leftmost end of the display and the ending position is the rightmost end of the display when drawing for the first time; in the display process, according to a preset speed and a timing clock, the rich text data moves from right to left in the display, and the positions during drawing are calculated in sequence.
7. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the method according to any of claims 1 to 3 when executing the program.
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