CN101325040A - Mobile terminal capable of adjusting resolution and method for adjusting resolution of the mobile terminal - Google Patents
Mobile terminal capable of adjusting resolution and method for adjusting resolution of the mobile terminal Download PDFInfo
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- CN101325040A CN101325040A CNA2008100295106A CN200810029510A CN101325040A CN 101325040 A CN101325040 A CN 101325040A CN A2008100295106 A CNA2008100295106 A CN A2008100295106A CN 200810029510 A CN200810029510 A CN 200810029510A CN 101325040 A CN101325040 A CN 101325040A
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Abstract
The invention discloses a mobile terminal with adjustable resolution, which comprises an image area acquisition module for obtaining an image area corresponding to an whole or a local image object after the first resolution, namely the resolution of an initial image, is resized according to the extension factors of the resolution; a resolution generation module for evaluating the pixel information of the image object to corresponding image area to generate second resolution; and an image display control and execution module for controlling and executing the image display of the image object according the second resolution. The mobile terminal further discloses a corresponding method simultaneously. Through the mobile terminal with adjustable resolution and the resolution adjusting method of the mobile terminal disclosed by the invention, the image resolution of the whole or the local image object of the mobile terminal can be enlarged or reduced, so as to satisfy the individual demands of users.
Description
Technical field
The present invention relates to image display process field, relate in particular to a kind of portable terminal of resolution and method for adjusting resolution of portable terminal adjusted.
Background technology
In hand-held mobile terminals such as PDA, mobile phone, MP3, game machine, LCD display is commonly used to show static or dynamic video image, sometimes the resolution of display image may not be optimal, so just need adjust resolution, prior art is to show all contents with fixing resolution, can not carry out random adjustment to resolution.
Summary of the invention
In view of the deficiencies in the prior art, the invention provides a kind of portable terminal of resolution and method for adjusting resolution of portable terminal adjusted, the resolution of tunable integer body or topography's object.
In order to reach the foregoing invention purpose, the invention provides a kind of portable terminal of adjusting resolution, comprising:
The image-region acquisition module is used for zoom factor according to resolution and obtains integral body or topography's object at first resolution corresponding image-region behind convergent-divergent, and described first resolution is the original image resolution of integral body or topography's object;
The resolution generation module is used for image-region that integral body or topography's object pixels information assignment are obtained to corresponding described image-region acquisition module, thereby generates second resolution;
Image shows control and executive module, and the image that integral body or topography's object are carried out in second resolution control that is used for being generated according to described resolution generation module shows.
Simultaneously, the present invention also provides a kind of method for adjusting resolution of portable terminal, comprising:
Obtain integral body or topography's object at first resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution, described first resolution is the original image resolution of integral body or topography's object;
With integral body or topography's object pixels information assignment in corresponding described image-region, thereby generate second resolution;
The image of carrying out integral body or topography's object according to described second resolution control shows.
The present invention is by the convergent-divergent to the resolution of integral body or topography's object, can amplify or dwindles the image resolution ratio of the integral body of portable terminal or topography's object, satisfied the demand of user individual.
Description of drawings
Fig. 1 is a kind of synoptic diagram of adjusting the portable terminal of resolution of the present invention;
Fig. 2 is the schematic flow sheet of first embodiment of the method for adjusting resolution of a kind of portable terminal of the present invention;
Fig. 3 is the schematic flow sheet of second embodiment of the method for adjusting resolution of a kind of portable terminal of the present invention;
Fig. 4 is the principle schematic of resolution convergent-divergent of the present invention;
Fig. 5 is the resolution convergent-divergent synoptic diagram of general image object in the embodiment of the invention;
Fig. 6 is the resolution convergent-divergent synoptic diagram of topography's object in the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention is described in further detail below in conjunction with accompanying drawing.
Please refer to Fig. 1, is a kind of synoptic diagram of adjusting the portable terminal 10 of resolution of the present invention, comprising:
The resolution zoom factor is provided with module 11, is used to set in advance the zoom factor of resolution;
Described zoom factor comprises the scale factor that amplifies or dwindle, as: amplify 1 times, 2 times, 3 times etc., and dwindle 1/2,1/3 etc.Herein, the user can obtain the zoom factor of resolution by the mode of selecting the zoom factor that portable terminal provided.
Image-region acquisition module 12 is used for zoom factor according to resolution and obtains integral body or topography's object at first resolution corresponding image-region behind convergent-divergent;
Resolution with the general image object is scaled example, the zoom factor of supposing resolution is n, the coordinate of a certain pixel is (x in the described original image, y), then first resolution be the resolution of original image behind convergent-divergent, described pixel coordinate be (nx, ny), wherein, n is the resolution zoom factor; Coordinate zero point of described original image is identical zero point with coordinate after resolution is amplified, conversion through coordinate, finally can obtain the image-region of general image object in first resolution correspondence behind convergent-divergent, if when the scope that the image of described general image object shows exceeds the scope that display screen can show, can call scroll bar and realize the mobile of image object.
Herein,, be the principle schematic of resolution convergent-divergent of the present invention please in the lump with reference to figure 4, comprising:
As can be seen from Figure, when the resolution of original image is amplified 2 times, the length of described original image and widely all amplified 2 times, simultaneously, variation has all taken place in pixel quantity and position, specifically please refer to Fig. 3.
The principle that resolution is dwindled is opposite with the principle of amplification, if the image 32 among Fig. 3 is original image, then image 31 dwindles 1/2 image for resolution.
Also the resolution with the general image object is scaled example, obtaining the general image object after the image-region of first resolution correspondence behind convergent-divergent, according to described resolution convergent-divergent principle, data in the original image of the general image object in the video cache that will in application program, develop as: the assignment such as coordinate figure of Pixel Information and pixel to as described in the image-region, thereby generate second resolution.
Image shows control and executive module 14, and the image that integral body or topography's object are carried out in second resolution control that is used for being generated according to described resolution generation module 13 shows.
Described image shows in the control and executive module 14 carries out image procedure for displaying, if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show, can call the scroll bar order and realize moving of image object.
Described image shows that control and executive module 14 comprises:
Transmitting element 141 is used for described second resolution is sent to the video display buffer of display image object;
Receive buffer unit 142, be used to receive and second resolution that the described transmitting element 141 of buffer memory is sent;
For the image object of resolution through a convergent-divergent, can also carry out secondary, three times or resolution convergent-divergent adjustment repeatedly to it, its principle is with to carry out the principle that resolution convergent-divergent for the first time adjusts identical, and in such cases, the described portable terminal 10 of adjusting resolution also comprises:
The second image-region acquisition module is used for zoom factor according to resolution and obtains integral body or topography's object at second resolution corresponding image-region behind convergent-divergent;
The second resolution generation module is used for image-region that integral body or topography's object are obtained to the corresponding described second image-region acquisition module in the Pixel Information assignment of second resolution behind convergent-divergent, thereby generates the 3rd resolution;
Second image shows control and executive module, and the image that integral body or topography's object are carried out in the 3rd resolution control that is used for being generated according to the described second resolution generation module shows.
Please refer to Fig. 2, is the schematic flow sheet of first embodiment of the method for adjusting resolution of a kind of portable terminal of the present invention, comprising:
S101, set in advance the zoom factor of image resolution ratio;
Described zoom factor comprises the scale factor that amplifies or dwindle, as: amplify 1 times, 2 times, 3 times etc., and dwindle 1/2,1/3 etc.Herein, the user can obtain the zoom factor of resolution by the mode of selecting the zoom factor that portable terminal provided.
S102, obtain integral body or topography's object at first resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution, described first resolution is the original image resolution of described integral body or topography's object;
S103, with integral body or topography's object pixels information assignment in corresponding described image-region, thereby generate second resolution;
S104, the image of carrying out integral body or topography's object according to described second resolution control show;
In the step that the image of carrying out integral body or topography's object according to described second resolution control shows, if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show, then call the scroll bar order and realize moving of image object.
For the image object of resolution through a convergent-divergent, can also carry out secondary, three times or resolution convergent-divergent adjustment repeatedly to it, its principle is identical with the principle of carrying out resolution convergent-divergent adjustment for the first time, below is the step that secondary resolution convergent-divergent that image object carries out is adjusted:
S105, obtain integral body or topography's object at second resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution;
S106, with integral body or topography's object in the Pixel Information assignment of second resolution behind convergent-divergent in corresponding described image-region, thereby generate the 3rd resolution;
S107, the image of carrying out integral body or topography's object according to described the 3rd resolution control show.
In the step that the image of carrying out integral body or topography's object according to described the 3rd resolution control shows, if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show, then call the scroll bar order and realize moving of image object.
Please refer to Fig. 3, is the schematic flow sheet of second embodiment of the method for adjusting resolution of a kind of portable terminal of the present invention, comprising:
S201, set in advance the zoom factor of resolution;
Described zoom factor comprises the scale factor that amplifies or dwindle, as: amplify 1 times, 2 times, 3 times etc., and dwindle 1/2,1/3 etc.Herein, the user can obtain the zoom factor of resolution by the mode of selecting the zoom factor that portable terminal provided.
S202, obtain integral body or topography's object at first resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution;
S203, with integral body or topography's object pixels information assignment in corresponding described image-region, thereby generate second resolution;
In the present embodiment, carry out in the video cache that the generative process of described second resolution can be developed in an application program.
S204, described second resolution is sent in the video display buffer of display image object;
Generally speaking, display all can carry a video cache, in the present embodiment, can be described as the LCD video display buffer, goes when data are write in the described video cache, just can see shown content on display screen.In the present embodiment, can second resolution be sent in the video display buffer of wanting the display image object by the buffer memory in the application program, promptly in the LCD video display buffer.
S205, receive described second resolution and integral body or topography's object are carried out in control according to second resolution in the described video display buffer image shows.
According to second resolution in the described video display buffer, the Pixel Information that control is in the image object under described second resolution shows by image display panel.
In this step,, can call the scroll bar order and realize moving of image object if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show.
To elaborate the specific embodiment of this programme below.
The mode of the zoom factor that the user by selecting portable terminal is provided is obtained the zoom factor of needed resolution, as select to amplify 1 times, 2 times, 3 times etc., and dwindle 1/2,1/3 etc., now amplifying 2 times with resolution is example, please refer to Fig. 4, be the principle schematic of resolution convergent-divergent of the present invention, comprise:
As can be seen from Figure, when the resolution of original image is amplified 2 times, the length of described original image and widely all amplified 2 times, simultaneously, variation has all taken place in pixel quantity and position, specifically please refer to Fig. 3.
The principle that resolution is dwindled is opposite with the principle of amplification, if the image 32 among Fig. 3 is original image, then image 31 dwindles 1/2 image for resolution.
Please refer to Fig. 5, is the resolution convergent-divergent synoptic diagram of general image object in the embodiment of the invention, comprising: the original image 41 of general image object and the general image object image 42 after resolution is amplified.
The zoom factor of supposing resolution is n, in the described image 41 coordinate of a certain pixel be (x, y), pixel coordinate described in the then described image 42 be (nx, ny), wherein, n is the resolution zoom factor; Coordinate 0. 421 after coordinate 0. 411 in the described image 41 and resolution are amplified is identical, conversion through coordinate, finally can obtain the image-region of general image object in first resolution correspondence behind convergent-divergent, if when the scope that the image of described general image object shows exceeds the scope that display screen can show, can call scroll bar 422 and realize the mobile of image object.
Obtaining the general image object after the image-region of first resolution correspondence behind convergent-divergent, according to resolution convergent-divergent principle, data in the original image 41 of the general image object in the video cache that will in application program, develop as: the assignment such as coordinate figure of Pixel Information and pixel to as described in the image-region, thereby generate second resolution, described second resolution is sent in the video display buffer of display image object, the image demonstration of general image object is carried out in control according to second resolution in the described video display buffer again.Finally obtain the image 42 of general image object after resolution is amplified, realized the purpose of whole amplification.
General image object resolution being dwindled adopt the technology opposite with the resolution amplification principle to realize, as shown in Figure 5, is 42 as if the original image of general image object, and then the image that dwindles after 1/2 through resolution of general image object is 41.
According to actual needs, after the resolution of general image object is amplified, can to resolution the enlarged image object carry out the amplification once more of resolution or dwindle.
Referring again to Fig. 6, be the resolution convergent-divergent synoptic diagram of topography's object in the embodiment of the invention, comprising: the original image 51 of topography's object and the topography's object image 52 after resolution is amplified.
Below introduce a concrete example, the length of supposing screen is 120pix, height is 160pix, the wide of scroll bar 522 is 10 pix, the topography object of a-quadrant in the image 51 for needing to amplify, the B zone comprises the a-quadrant, and this B zone is the rectangular area that selected resolution is amplified, and will amplify simultaneously with a-quadrant resolution.In the image 51, with 512 represented points is coordinate zero point, if the coordinate range of a-quadrant is (70,10)～(110,50), the upper side frame of a-quadrant has 10pix from the top of screen, the coordinate of the central point 511 of described a-quadrant is (90,30), suppose that again zoom factor is 2, shown in image 52, the zone of being chosen shows in the middle of screen that after resolution is amplified the B zone is whole screen size after resolution is amplified, the coordinate interval of a-quadrant after resolution is amplified is (15,35)～(95,115), center point coordinate 521 is (55,75), described central point overlaps with the central point of screen, and because of after amplifying, there are 35 pixels on top, screen top distance A zone, 15 pixel void values are wherein arranged, for making screen blank not occur, can adjust the scope of a-quadrant, the a-quadrant is (15 through adjusted coordinate range, 20)～(95,100),, finally can obtain the image-region of topography's object in first resolution correspondence behind convergent-divergent through the conversion of coordinate, if when the scope that the image of described topography object shows exceeds the scope that display screen can show, can call scroll bar 522 and realize the mobile of image object.
When carrying out resolution part convergent-divergent,, can adopt the method that rounds to handle if the center point coordinate in selected rectangular area such as B zone is not a round values; If when selected rectangular area had exceeded the scope that screen can show, a need calculating occupied that part of rectangular area of whole screen behind convergent-divergent.
Obtaining topography's object after the image-region of first resolution correspondence behind convergent-divergent, according to resolution convergent-divergent principle, topography's object in the video cache that will in application program, develop be the a-quadrant data as: the assignment such as coordinate figure of Pixel Information and pixel to as described in the image-region, thereby generate second resolution, again described second resolution is sent in the video display buffer of display image object, the image demonstration of local image object is carried out in control according to second resolution in the described video display buffer, thereby obtained the image 52 of topography's object after resolution is amplified, realized the purpose of local amplification.
Local image object resolution being dwindled adopt the opposite technology of principle of amplifying with resolution to realize, as shown in Figure 6, is 52 as if the original image of topography's object, and then the image that dwindles after 1/2 through resolution of general image object is 51.
According to actual needs, after the resolution of local image object is amplified, can to resolution the enlarged image object carry out the amplification once more of resolution or dwindle.
The invention has the beneficial effects as follows, by convergent-divergent to the resolution of integral body or topography's object, satisfied the demand that the user amplifies or dwindles image resolution ratio on the one hand, function menu on the portable terminal master interface also can be set on the other hand, thereby as the image of the function choosing-item that some is commonly used carry out one or many resolution amplify make as described in function choosing-item be put on the main interface, thereby the image of some function choosing-item that is of little use is carried out one or many resolution to be dwindled the function choosing-item that makes being of little use and stashes, satisfied the demand of user individual, certainly, in addition, the present invention also has some other beneficial effect, does not give unnecessary details one by one at this.
Above disclosed is preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (9)
1, a kind of portable terminal of adjusting resolution comprises:
The image-region acquisition module is used for zoom factor according to resolution and obtains integral body or topography's object at first resolution corresponding image-region behind convergent-divergent, and described first resolution is the original image resolution of integral body or topography's object;
The resolution generation module is used for image-region that integral body or topography's object pixels information assignment are obtained to corresponding described image-region acquisition module, thereby generates second resolution;
Image shows control and executive module, and the image that integral body or topography's object are carried out in second resolution control that is used for being generated according to described resolution generation module shows.
2, the portable terminal of adjusting resolution according to claim 1 is characterized in that, also comprises:
The resolution zoom factor is provided with module, is used to set in advance the zoom factor of resolution.
3, the portable terminal of adjusting resolution according to claim 1 and 2 is characterized in that, described image shows that control and executive module comprises:
Transmitting element is used for described second resolution is sent to the video display buffer of display image object;
Receive buffer unit, be used to receive and second resolution that the described transmitting element of buffer memory is sent;
Control execution unit, the image that is used for carrying out according to second resolution control of described reception buffer unit institute buffer memory integral body or topography's object shows.
4, the portable terminal of adjusting resolution according to claim 1 and 2, it is characterized in that, described image shows in the control and executive module carries out image procedure for displaying, if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show, then call the scroll bar order and realize moving of image object.
5, a kind of method for adjusting resolution of portable terminal comprises:
Obtain integral body or topography's object at first resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution, described first resolution is the original image resolution of integral body or topography's object;
With integral body or topography's object pixels information assignment in corresponding described image-region, thereby generate second resolution;
The image of carrying out integral body or topography's object according to described second resolution control shows.
6, the method for adjusting resolution of portable terminal according to claim 5 is characterized in that, described zoom factor according to resolution obtains integral body or topography's object comprised before the step of image-region corresponding behind the convergent-divergent in first resolution:
Set in advance the zoom factor of image resolution ratio.
According to the method for adjusting resolution of claim 5 or 6 described portable terminals, it is characterized in that 7, the step that the described image of carrying out integral body or topography's object according to described second resolution control shows comprises:
Described second resolution is sent in the video display buffer of display image object;
Receive described second resolution and control the image of carrying out integral body or topography's object and show according to second resolution in the described video display buffer.
8, the method for adjusting resolution of portable terminal according to claim 5, it is characterized in that, in the step that the image of carrying out integral body or topography's object according to described second resolution control shows, if the scope that the image of described integral body or topography's object shows exceeds the scope that display screen can show, then call the scroll bar order and realize moving of image object.
9, the method for adjusting resolution of portable terminal according to claim 5 is characterized in that, also comprises after the step that the image of carrying out integral body or topography's object according to described second resolution control shows:
Obtain integral body or topography's object at second resolution corresponding image-region behind convergent-divergent according to the zoom factor of resolution;
With integral body or topography's object in the Pixel Information assignment of second resolution behind convergent-divergent in corresponding described image-region, thereby generate the 3rd resolution;
The image of carrying out integral body or topography's object according to described the 3rd resolution control shows.
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