CN1123824C - Graphic method for supporting wide screen mode - Google Patents
Graphic method for supporting wide screen mode Download PDFInfo
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- CN1123824C CN1123824C CN97121570A CN97121570A CN1123824C CN 1123824 C CN1123824 C CN 1123824C CN 97121570 A CN97121570 A CN 97121570A CN 97121570 A CN97121570 A CN 97121570A CN 1123824 C CN1123824 C CN 1123824C
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- China
- Prior art keywords
- screen mode
- setting
- wide screen
- wide
- video
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 title claims abstract description 38
- 230000008569 process Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 1
- 238000002715 modification method Methods 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/40—Scaling of whole images or parts thereof, e.g. expanding or contracting
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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
- G06F9/4401—Bootstrapping
- G06F9/4406—Loading of operating system
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2200/00—Indexing scheme for image data processing or generation, in general
- G06T2200/28—Indexing scheme for image data processing or generation, in general involving image processing hardware
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Controls And Circuits For Display Device (AREA)
- Transforming Electric Information Into Light Information (AREA)
Abstract
A graphic method for supporting a screen mode can support a mode of an aspect ratio of 16 x 9, while supports a screen mode of the aspect ratio of 4 x 3 by changing a video basic input output system (BIOS) and a graphic device driver. A method is: determining whether a present state is the state for setting a screen mode; performing a video interrupt service routine when the present state is not for setting the screen mode, and determining whether a user wants a wide screen mode when the present state is for setting the screen mode; setting a screen mode of an aspect ratio of 4 x 3 when the present mode is not the wide screen mode, and setting resolution corresponding to the wide screen mode when the present mode is the wide screen mode; setting a display parameter of a video controller suitable for the wide screen mode; and setting screen mode information in a data region of the video BIOS.
Description
The application is with reference to the application for a patent for invention that has proposed to Korea S industrial property office submission " graphic technique of support wide screen mode " application case on February 1st, 1997.
The CPU that the present invention relates to use a computer supports the circuit and the Flame Image Process of wide screen mode, more particularly, be in order to support the circuit and the Flame Image Process of wide screen mode about a kind of, wherein, support the wide screen mode of 16 * 9 the ratio of width to height by the VGA Basic Input or Output System (BIOS) (BIOS) that changes a control graphics device.
Existing graphics device has the ratio of width to height (the display width is to the ratio of height of display) of 4 * 3 and supports 640 * 480,800 * 600,1024 * 768,1280 * 1204 and 1600 * 1200 resolution.Yet the shortcoming of existing graphics device is to support that the ratio of width to height is that the ratio of width to height of the display of 16 * 9 wide screens is 16 * 9 wide screen mode, because existing graphics device is only supported the screen mode of 4 * 3 the ratio of width to height.By the obtained United States Patent (USP) the 5th of people such as Parker, 635, in No. 987 " a kind of method and device " in order to the graph text information that is shown in a wide screen television receiver, only disclosed one on one 4 * 3 zones of 16 * 9 the ratio of width to height screens and one 16 * 9 zones the method and the devices of display images.The operation of one microcomputer control display device.
Therefore, one of purpose of the present invention provides modification method and the device that a kind of the ratio of width to height is 16 * 9 the wide screen display mode of computer drives.
Another object of the present invention provides the graphic technique of a support wide screen mode, wherein, the wide screen mode of 16 * 9 the ratio of width to height is to be provided on the computer video screen by the VGA BIOS that changes a control graphics device, resolution that mutually should wide screen mode then is supported by changing the graphics device driver, thereby this graphics device has been supported wide screen mode and make the user can use wide screen display, and the actual restriction of prior art and the variety of issue that shortcoming caused eliminated.
In order to finish purpose of the present invention, the following describes the technical scheme of the method and system of operational computations machine of the present invention system wide screen mode, this method comprises step to be had: behind the buffer status of checking CPU (central processing unit), determine whether current state is to set the screen mode state; When current state is not when setting screen mode, to carry out corresponding video breaks service procedure, when current state is when setting screen mode, to determine whether that the user requires wide screen mode; When current schema is not wide screen mode, establish a ratio of width to height and be 4 * 3 screen mode, when current schema is wide screen mode, set resolution corresponding to this wide screen mode; The display parameter of setting a Video Controller are suitable for this wide screen; And the screen mode information corresponding to this wide screen mode set is in the data field of video BIOS.
According to another embodiment of the present invention, a kind of method of wide screen mode of setting one computer system comprises step: determine that it is by operating system output or from an application program that the signal of screen mode is set in a requirement; When the signal that requires to set screen mode is not output, carry out a corresponding graphics device driver flow process, and when the signal that requires to set screen mode was output, whether definite be wide screen mode by operating system and the desired screen mode of application program; When existing screen mode was not wide screen mode, setting the ratio of width to height was 4 * 3 screen mode, and when existing screen mode was wide screen mode, setting the video screen mode was wide screen mode; And the information corresponding to this wide screen mode set is in a graphics device driver.
The present invention and advantage thereof will be by with reference to following detailed description and in conjunction with the accompanying drawings and can be more abundant and more clearly understand, wherein, and the identical or similar elements of same-sign indication, wherein:
Fig. 1 is a process flow diagram, and the step of the method for the computer system wide screen mode of operating a preferred embodiment of the present invention is shown;
Fig. 2 is a process flow diagram, and the step of the method for the computer system wide screen mode of setting a preferred embodiment of the present invention is shown;
Fig. 3 is a synoptic diagram, the graph of a relation of illustration one an existing graphics device and a corresponding software; And
Fig. 4 is the calcspar of an existing video card.
Fig. 3 is the synoptic diagram of the mutual relationship of expression one an existing graphics device and a related software.Graphics device to open beginning flow process and video breaks treatment scheme be to be incorporated in video BIOS shown in Figure 3.One graphics device driver control, one operating system, a video BIOS and a hardware are used the screen of setting graphics device, and use the part (as the interface) of software, make operating system and application software can use this graphics device.
Fig. 4 is the calcspar of existing graphics device.With reference to Fig. 4, graphics device is via a computer system 250 and a bus 260 emission or receiving data informations, and this device comprises: video memory 220 is shown in data on the screen in order to storage; One Video Controller 230 is stored in the data in the video memory 220 and changes these data of having analyzed in order to analysis and makes it to become a vision signal that is presented on the display screen 240; And a video BIOS 210, wherein, a control chart looks like to operate in the base program sign indicating number of operate as normal in the computer system, that is and, the video signal interruption treatment scheme that opens a beginning flow process and an operation Video Controller 230 of a graphics device is worked out in wherein.
With reference to Fig. 1, one method in order to the wide screen mode of operating a computer system, comprise step: start the operation (step 301) of video BIOS, behind the buffer status of checking a CPU (central processing unit), whether the decision current state is the state (step 303) of a setting screen mode, when current state is not when setting screen mode, carry out a corresponding video breaks service procedure (step 305), and when current state is the setting screen mode, determine whether the user wants a wide screen mode (step 307); When current schema is not wide screen mode, set a ratio of width to height 4 * 3 screen modes (step 309), when current schema is wide screen mode, set resolution (step 311) corresponding to wide screen mode; Setting one is suitable for the Video Controller display parameter (step 313) of this wide screen; And the screen mode information that setting is relevant to this wide screen mode reaches end operation (step 317) in the data area of video BIOS (step 315).
With reference to figure 2, according to another embodiment of the present invention, a kind of method in order to a wide screen mode of setting computer system of the present invention, comprise step: start the operation (step 401) of graphics device driver, determine one whether to require to set the signal of screen mode by operating system output or from an application program (step 403), when the signal that requires to set screen mode is not output, carry out a corresponding graphics device driver flow process (step 405), when the signal that requires to set screen mode is output, whether decision is a wide screen mode (step 407) by operating system and the desired screen mode of application program, when existing screen mode is not wide screen mode, setting the ratio of width to height is 4 * 3 screen mode (step 409), when existing screen mode is wide screen mode, setting the video screen mode is wide screen mode (step 411), and the information corresponding to this wide screen mode set is in the graphics device driver (step 413), end operation (step 415).
The course of work about the image method of the support wide screen mode of a preferred embodiment of the present invention now is described as follows.Video BIOS is checked the buffer status of CPU (central processing unit) and when the video interrupt signal of computer system is output, is determined whether treatment scheme is in order to the setting screen mode, thereby carry out video breaks service procedure (step 301 is to 303).When treatment scheme is not to be used to set screen mode, video BIOS is carried out a corresponding video breaks service procedure (step 305), and after the buffer status of checking CPU (central processing unit), in treatment scheme is that whether the decision user will set wide screen (step 307) when setting screen mode.
When treatment scheme is not when setting wide screen mode, video BIOS is set the video screen mode becomes the ratio of width to height 4 * 3 screen modes, when treatment scheme is when setting wide screen mode, setting the video screen mode is wide screen mode, and set resolution for supporting the resolution of this wide screen mode, 848 * 480,1072 * 600 (step 309 is to 311) for example.Moreover, video BIOS changes the display parameter of Video Controller, make it to become wide screen mode corresponding to 16 to 9, the parameter that stores this change is in the register of Video Controller (step 313), and change video BIOS, feasible information relevant for wide screen mode is stored in the data area of video BIOS, thereby the video breaks service procedure can be used this data message whenever necessary.
Whether this requirement setting screen mode signal is by operating system output or from application program to the decision of graphics device driver, and when the signal that requires screen mode is not output, carries out related device driver flow process (step 401 is to 405).Yet when being during by operating system output or from application program in order to the signal that requires to set screen mode, whether this user will set wide screen mode (step 407) to the decision of graphics device driver.
When the screen mode that will set as the user is not wide screen mode, it is the screen mode of 4 * 3 the ratio of width to height that the graphics device driver is set the video screen mode, when the screen mode that will set as the user is wide screen mode, setting the video screen mode is the screen mode of 16 * 9 the ratio of width to height, and by calling out the video BIOS that is changed by above-mentioned steps 301 to 307 (step 409 is to 411), and make operating system and application program use this graphics device.
Moreover, be to be set in the graphics device of operating system relevant for the information of wide screen mode, make all flow processs of graphics device driver can use information (step 413 is to 415) relevant for this wide screen mode.
The CPU that uses a computer has more than been described in order to support the graphic interpretation of wide screen mode, wherein, the wide screen mode of one 16 * 9 the ratio of width to height is supported by the VGA Basic Input or Output System (BIOS) (BIOS) that changes a control graphics device, the resolution that reaches corresponding to this wide screen is supported by changing the graphics device driver, thereby make graphics device can support wide screen mode, and make the user can use wide monitor.Circuit and Flame Image Process can be supported the wide screen mode of the monitor of 16 * 9 the ratio of width to height by the monitor that uses support 4 * 3 the ratio of width to height and the graphics device of screen mode, and needn't increase other devices by changing video BIOS and graphics device driver.
Those skilled in the art can be well understood to other embodiment of the present invention after having understood disclosed content of the present invention of aforementioned the application and embodiment.Just as illustrative purpose, the application's spirit and protection domain are defined by claim for the application's explanation and example.
Claims (4)
1. the method for wide screen mode of operation one computer system comprises the following step at least:
Behind the buffer status of checking a CPU (central processing unit), determine whether current state is the state of setting screen mode;
When current state is not a setting screen mode, carries out corresponding video breaks service procedure, and when current state is the setting screen mode, determine whether the user requires wide screen mode;
When current schema was not wide screen mode, the setting screen mode was the ratio of width to height of 4 * 3, when current schema is wide screen mode, set resolution corresponding to described wide screen mode;
The display parameter of setting a Video Controller are suitable for wide screen mode; And the screen mode information corresponding to this wide screen mode set is in the data field of video basic input/output.
2. the method for claim 1, wherein described wide screen mode has the ratio of width to height of 16 * 9.
3. method in order to the wide screen mode of setting computer system comprises the following step at least:
Determine whether that one requires to set the signal of screen mode by operating system output or from an application program;
When the signal of described requirement setting screen mode is not output, carry out a corresponding graphics device driver flow process, and when the signal of described requirement setting screen mode is output, then determine whether is a wide screen mode by operating system and the desired screen mode of application program;
When existing screen mode was not wide screen mode, setting the ratio of width to height was 4 * 3 screen mode, and when existing screen mode was wide screen mode, setting the video screen mode was wide screen mode; And
Setting corresponding to the information of this wide screen mode in the graphics device driver.
4. method as claimed in claim 3, wherein, described wide screen mode has the ratio of width to height of 16 * 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR19970003218 | 1997-02-01 | ||
| KR3218/97 | 1997-02-01 | ||
| KR3218/1997 | 1997-02-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1190210A CN1190210A (en) | 1998-08-12 |
| CN1123824C true CN1123824C (en) | 2003-10-08 |
Family
ID=19496272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97121570A Expired - Fee Related CN1123824C (en) | 1997-02-01 | 1997-10-30 | Graphic method for supporting wide screen mode |
Country Status (3)
| Country | Link |
|---|---|
| KR (1) | KR100245634B1 (en) |
| CN (1) | CN1123824C (en) |
| TW (1) | TW455772B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101582033B (en) * | 2008-05-16 | 2013-02-20 | 研祥智能科技股份有限公司 | Configuration method for display adapter and computer system applying same |
| EP2304581A4 (en) * | 2008-06-26 | 2014-01-08 | Hewlett Packard Development Co | Self-management of local resources allocated remotely |
| DE112012006665T5 (en) * | 2012-09-28 | 2015-03-19 | Hewlett-Packard Development Company, L.P. | Selectable graphics controller for output display |
-
1997
- 1997-09-22 TW TW086113766A patent/TW455772B/en not_active IP Right Cessation
- 1997-09-23 KR KR1019970048204A patent/KR100245634B1/en not_active IP Right Cessation
- 1997-10-30 CN CN97121570A patent/CN1123824C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100245634B1 (en) | 2000-02-15 |
| KR19980069962A (en) | 1998-10-26 |
| TW455772B (en) | 2001-09-21 |
| CN1190210A (en) | 1998-08-12 |
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Granted publication date: 20031008 Termination date: 20101030 |