CN102298504A - Method and system for magnifying display - Google Patents
Method and system for magnifying display Download PDFInfo
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- CN102298504A CN102298504A CN2011102941186A CN201110294118A CN102298504A CN 102298504 A CN102298504 A CN 102298504A CN 2011102941186 A CN2011102941186 A CN 2011102941186A CN 201110294118 A CN201110294118 A CN 201110294118A CN 102298504 A CN102298504 A CN 102298504A
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Abstract
The invention discloses a method for magnifying display. The method comprises the following steps of: S1, acquiring a parameter of a magnifier control according to a starting instruction of the acquired magnifier control, and displaying an interface of the magnifier control at a specified position, wherein the parameter of the magnifier control comprises a magnification ratio; S2, acquiring all contents displayed within the screen range, and storing as a source image; S3, determining a magnified area in the screen range according to the specified position at which the magnifier control is positioned, and acquiring source image contents corresponding to the magnified area in the screen range; and S4, magnifying the source image contents corresponding to the magnified area in the screen range according to the acquired magnification ratio, and displaying the contents. The invention also discloses a system for magnifying the display and a method and a system for operating the displayed contents. By the method and the system, users can see the magnified screen contents by the magnifier control, and also can interact with the screen contents directly by the magnifier control.
Description
Technical field
The present invention relates to a kind of the amplification shows and to being exaggerated the method and system of displaying contents interactive operation.
Background technology
Old user is because visual deterioration, hand fine movement are difficult to finish, so use portable set (as electric paper book etc.) to have any problem, this difficulty is mainly reflected in: the literal in document and the system interface is little, is difficult to see clearly; The button that can click, icon or link be too little, is difficult to a little.Under the prior art condition, address this problem generally is that literal and source images by amplifying in application program and the operating system finished.But done several shortcomings like this: when checking screen content in the amplification mode, content displayed reduces on the screen; The function of amplifying the application client district is realized independently by each application program that generally method of operating and effect have nothing in common with each other, and lacks unified user experience; Components of system as directed (as the icon of button, notification area etc.) be difficult to accomplish amplify, must influence the variation at whole interface after perhaps amplifying, using to the user makes troubles.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of any content that shows on the screen of not only can amplifying is provided, but also can carries out method of operating and system to the content that is exaggerated by the magnifier control.
The invention discloses a kind of method of amplifying demonstration, comprising:
S1. according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and at the interface of specified location demonstration magnifier control, wherein, the parameter of magnifier control comprises magnification ratio;
S2. obtain all the elements that show in the screen scope, save as source images;
S3. determine the zone that is exaggerated in the screen scope according to the residing described assigned address of magnifier control, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope;
S4. the corresponding source images content in zone that is exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and show.
In the method that amplification of the present invention shows, the parameter of magnifier control also comprises among the described step S1: the size of the renewal speed of magnifier control, magnifier control.
In the method that amplification of the present invention shows, also comprise step S11 behind the described step S1, according to user's triggering, judge whether magnifier control parameter changes, if return step S1; If not, enter step S2.
In the method that amplification of the present invention shows, describedly determine the zone that is exaggerated in the screen scope according to the residing described assigned address of magnifier control, specifically:
When being the center with described assigned address, all edges of the magnifier control of determining according to the size of described magnifier control are in the screen scope time, determine that being exaggerated regional central point is the central point of magnifier control, otherwise, adjust the center of magnifier control, all edges that make the magnifier control are in the screen scope, and will be exaggerated the zone and continue to use the direction that the family drags the magnifier control and move a certain distance, described distance is less than or equal to the setting step-length, be positioned at the screen scope and be as the criterion to guarantee to be exaggerated the zone, size and magnification ratio according to the magnifier control are determined to be exaggerated regional size, and then accurately determine magnification region;
Or, make the position of zone in the magnifier control that be exaggerated along with the center of magnifier control changes at the position linearity of screen scope, the size of determining to be exaggerated the zone according to the size and the magnification ratio of magnifier control, and then accurately determine magnification region.
In the method that amplification of the present invention shows, the described zone that is exaggerated comprises the All Ranges in the screen scope.
The invention discloses a kind of system of amplifying demonstration, be used to realize above-mentioned method, comprising:
The unit gets parms: according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and at the interface of specified location demonstration magnifier control, wherein, the parameter of magnifier control comprises magnification ratio;
Obtain all the elements unit: link to each other with the described unit that gets parms, be used to obtain all the elements that show in the screen scope, save as source images;
Obtain content element to be amplified: link to each other with described all the elements unit that obtains, be used for determining the zone that is exaggerated in the screen scope, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope according to the residing described assigned address of magnifier control;
Amplify display unit: obtain content element to be amplified and link to each other with described, the corresponding source images content in zone that is used for being exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and demonstration.
In the system that amplification of the present invention shows, the described unit that gets parms comprises the renewal speed setup unit of magnification ratio setup unit, magnifier control and the size setup unit of magnifier control.
In the system that amplification of the present invention shows, described amplification display system also comprises default parameters setting and judging unit.
The invention discloses a kind ofly, be used for the system that the above-mentioned amplification of interactive operation shows, comprising being shown the content exchange method of operating:
A1. obtain user's input, guarantee that the input focus of system in the whole process does not change;
A2. judge whether it is the message that comprises the screen coordinate position; If, enter steps A 3, if not, steps A 4 entered;
A3. carry out different operations according to described screen coordinate position; If described screen coordinate position is in the amplification content display region of magnifier control, then click location is converted into the position on the screen before amplifying, and generates the new message that comprises the screen coordinate position with this position, enter steps A 4;
A4. described generation is the new message that comprises the screen coordinate position sends to the corresponding application programs on the screen.
To being shown in the content exchange method of operating, described steps A 3 also comprises of the present invention:
If the screen coordinate position outside the magnifier control, then enters steps A 32, the moving magnifier control comprises its viewing area of amplifying content to be positioned at the screen coordinate position so;
If the screen coordinate position is at the frame or the handle place of magnifier control, then enter steps A 33, this screen coordinate location message will be adjusted the attribute of magnifier control itself so, comprise: magnification ratio, the size of magnifier control, renewal speed, close the magnifier control.
To being shown in the content exchange method of operating, described user's input comprises of the present invention: keyboard action, mouse action, finger touch action, the position by the equipment of gyroscope apparatus institute perception, the variation of attitude attribute.
The invention discloses a kind ofly, be used to realize above-mentioned method, comprising being shown the content exchange operated system:
Obtain user input unit, obtain user's input;
Judge and to comprise screen coordinate location message unit: link to each other with the described user input unit of obtaining, be used for judging that the user imports whether comprises the screen coordinate location message;
Interactive operation unit: comprise screen coordinate location message unit with described judgement and link to each other, be used for carrying out different operations according to the screen coordinate position, if described screen coordinate position is in the amplification content display region of magnifier control, then this position is converted into the position on the screen before amplifying, and generates the new message that comprises the screen coordinate position with this position;
Transmitting element: link to each other with described interactive operation unit, be used for user input or the new message that comprises the screen coordinate position are sent to corresponding application programs on the screen.
Of the present invention to being shown in the content exchange operated system, described different operation specifically:
If the screen coordinate position is in the amplification content display region of magnifier control, then click location is converted into the position on the screen before amplifying, and generates new screen coordinate location message with this position;
If position, screen coordinate position is outside the magnifier control, the moving magnifier control comprises its viewing area of amplifying content to be positioned at the screen coordinate position so;
If the screen coordinate position is at the frame or the handle place of magnifier control, this screen coordinate location message will be adjusted the attribute of magnifier control itself so, comprise: magnification ratio, the size of magnifier control, renewal speed, close the magnifier control.
Of the present invention to being shown in the content exchange operated system, the described user input unit of obtaining comprises: keyboard action subelement, mouse action subelement, finger touch action subelement, the position by the equipment of gyroscope apparatus institute perception, the variation subelement of attitude attribute.
Implement amplification demonstration of the present invention and, have following beneficial technical effects being exaggerated the method and system of displaying contents interactive operation:
Under the prerequisite of size that does not change screen elements and layout, can make things convenient for any content on the electric paper book screen of caliginous user (as old user) reading, also can make things convenient for action inconvenient user (as old user) and electric paper book to carry out alternately.
Description of drawings
Fig. 1 is a kind of method workflow diagram that amplifies demonstration of the embodiment of the invention;
Fig. 2 is a kind of system architecture block scheme that amplifies demonstration of the embodiment of the invention;
Fig. 3 is a kind of to being shown the content exchange flow chart for the embodiment of the invention;
Fig. 4 is a kind of to being shown content exchange operating system configuration block scheme for the embodiment of the invention.
Embodiment
By describing technology contents of the present invention, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
See also Fig. 1, a kind of method of amplifying demonstration comprises:
S1. according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and show the interface of magnifier control in specified location;
When the user had triggered icon with magnifier control or application program, system can start the instruction at the interface that shows the magnifier control.
Can show a magnifier control on the screen this moment, and the main part of magnifier control is used for amplifying the screen content that shows magnifier control below, and other marginal portions (as frame, handle etc.) of magnifier control are used to accept user's input to change the position.User input can be to drag frame or handle, also can be to click the button that is arranged on frame or the handle, the parameter of magnifier control specifically: the renewal speed of magnification ratio, magnifier control, the size of magnifier control.
S11. according to user's triggering, judge whether magnifier control parameter changes, if return step S1; If not, enter step S2;
When the magnifier control starts, show the interface of magnifier control, obtain the default parameters of magnifier control, this default parameters can be that system is provided with, and also can be that the user is provided with when using last time, and can point out the parameter of user's modification magnifier control this moment.
S2. obtain all the elements that show in the screen scope, save as source images;
Calling system API obtains all the elements that show on the screen, comprises application area, also comprises system realm (as the icon in the notice hurdle) etc., saves as source images in internal memory.
S3. determine the zone that is exaggerated in the screen scope according to the residing described assigned address of magnifier control, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope; The described zone that is exaggerated comprises the All Ranges in the screen scope, as application area and system realm;
Describedly determine the zone that is exaggerated in the screen scope according to the residing described assigned address of magnifier control, specifically:
First method, when being the center with described assigned address, all edges of the magnifier control of determining according to the size of described magnifier control are in the screen scope time, determine that being exaggerated regional central point is the central point of magnifier control, size and magnification ratio according to the magnifier control are determined to be exaggerated regional size, and then accurately determine magnification region.
When being the center with described assigned address, at least one edge of the magnifier control of determining according to the size of described magnifier control is outside the screen scope time, adjust the center of magnifier control, at least one edge of magnifier control is overlapped with screen edge at the extraneous edge of screen, to guarantee that the magnifier control is in the screen scope, continue to use the direction that the family drags the magnifier control and move a certain distance being exaggerated the zone, described distance is for being less than or equal to default step-length d, described distance is positioned at the screen scope with the zone after guaranteeing to amplify and is as the criterion, and specifically determines the coordinate in the upper left corner of magnification region with following formula:
Max in the formula represents to get maximal value from two numbers, min represents to get minimum value from two numbers, the setting screen width is W, the upper left corner is decided to be true origin (0,0), being to the right x axle positive dirction, is downwards y axle positive dirction, and the width of the source images after amplifying in the magnifier control is w, highly be h, the upper left corner of the source images that this does not amplify be presented on the screen (x, y) point, magnification ratio are n doubly (n＞1), the user has dragged k time, the angle of drawing direction and x axle is θ, systemic presupposition step-length be d, cos and sin are respectively cosine function and sine function; Or,
Second method, make the position of zone in the magnifier control that be exaggerated along with the center of magnifier control changes at the position linearity of screen scope, size and magnification ratio according to the magnifier control are determined to be exaggerated regional size, and then accurately determine magnification region.Determine the upper left corner coordinate of magnification region with following formula:
In this formula, the setting screen width is W, and screen height is H, and the screen upper left corner is decided to be true origin (0,0), is to the right x axle positive dirction, is downwards y axle positive dirction.The width of the source images after amplifying in the magnifier control is w, highly be h, the described not upper left corner of the source images of amplification be presented on the screen (x, y) point, magnification ratio are n times (n＞1).
S4. the corresponding source images content in zone that is exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and show.
In the method that amplification of the present invention shows, described zone to be amplified comprises application area and icon.
Among the present invention, the principle of magnification region is: interpolator arithmetic can adopt nearest neighbor algorithm, bilinear interpolation algorithm etc.
Above-mentioned nearest neighbor algorithm is described below: suppose that still screen width is W, screen height is H, and the upper left corner is decided to be true origin (0,0), is to the right x axle positive dirction, is downwards y axle positive dirction.The width of the image after amplifying in the magnifier control is w, highly is h, the upper left corner of this source images be presented on the screen (x, y) point, magnification ratio are n times (n＞1).Now suppose certain point (x
Mag, y
Mag) for a bit (satisfying x≤x in the image after amplifying
Mag≤ x+w and y≤y
Mag≤ y+h), the point that wait corresponding with it amplified in the source images is designated as (x
Orig, y
Orig), so
(x
0, y
0For treating the upper left corner coordinate of magnification region.Remember certain point (x, pixel value y) be P (x, y), so: we can according to formula: P (
Xmag, y
Mag)=P (x
Orig, y
Orig), each pixel of the image after can obtaining thus amplifying.Colored RGB source images also can be obtained by similar method.
Above-mentioned bilinear interpolation arthmetic statement is as follows.Nearest neighbor algorithm is seen in the mathematic sign definition, note
Wherein
Be downward rounding operation.Note w
11=(1-s
x) * (1-s
y), w
12=s
x* (1-s
y), w
21=(1-s
x) * s
y, w
22=s
x* s
y, then:
By certain method source images that upgrades in time, can in time capture the variation that takes place on the screen like this and be reflected on the magnifier control, make on the magnifier control content be exaggerated content and be consistent.A kind of method that realizes is: (as 50 milliseconds) upgrade once at set intervals, and another kind of implementation method is: upgrade source images when the content on screen changes.
See also Fig. 2, a kind of system of amplifying demonstration is used to realize the method that above-mentioned amplification shows, comprising:
Get parms unit 10, obtain all the elements unit 20, obtain and wait to amplify content element 30, amplify display unit 40.Unit 10 gets parms: according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and at the interface of specified location demonstration magnifier control, wherein, the parameter of magnifier control comprises magnification ratio; The unit 10 that gets parms comprises the renewal speed setup unit of magnification ratio setup unit, magnifier control and the size setup unit of magnifier control; Obtain all the elements unit 20: link to each other with the unit 10 that gets parms, be used to obtain all the elements that show in the screen scope, save as source images; Obtain and wait to amplify content element 30: with obtain all the elements unit 20 and link to each other, be used for determining the zone that is exaggerated in the screen scope, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope according to the residing described assigned address of magnifier control; Amplify display unit 40: wait to amplify content element 30 and link to each other with obtaining, be used for the corresponding source images content in zone that is exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and show, amplify display unit 40 and also comprise default parameters setting and judgment sub-unit.
See also Fig. 3, a kind ofly be used for the system that interactive operation the present invention amplifies demonstration, comprising being shown the content exchange method of operating:
A1. obtain user's input; The input focus of guaranteeing system in the whole process does not change, and the implication that input focus does not change is meant that input process do not seized by other program, for example, and the input process window etc. that do not jump out.
The magnifier control can be accepted user's input at any time, and user input includes but not limited to: keyboard action, mouse action, finger touch action, by the variation of attributes such as the position of the equipment of equipment such as gyroscope institute perception, attitude etc.The input that it should be noted that the user can not change the input focus in the total system.
A2. judge whether it is the message that comprises the screen position coordinate; If, enter steps A 3, if not, steps A 4 entered;
A3. carry out different operations according to the residing position that comprises the screen position coordinate;
If comprise the amplification content display region that the position of screen coordinate is in the magnifier control, then enter steps A 31, click location is converted into amplifies preceding screen position, and generate the new message that comprises the screen position coordinate with this position, enter steps A 4;
If the position that comprises screen coordinate then enters steps A 32 outside the magnifier control, the moving magnifier control comprises its viewing area of amplifying content to be positioned at click place that comprises the screen position coordinate so; If moved the magnifier control, cause the handle of magnifier control to shift out screen, then can handle be presented at another position of magnifier control.Originally in the bottom of magnifier control, when the magnifier control moves to bottom of screen when causing handle to show, can handle be presented at the top of magnifier control as magnifier control handle.
If comprise frame or the handle place of the position of screen coordinate at the magnifier control, then enter steps A 33, this message that comprises screen coordinate will be adjusted the attribute of magnifier control itself so, comprise: size, the renewal speed of magnification ratio, magnifier control and close the magnifier control.Specifically, if the user drags frame, the position that needs so to drag termination according to the user determines where magnifier control needs move to; If the user clicks the button on the frame, (said here button is a kind of means of the user's of reception input, can replace with other implementations, as drop-down list box etc.), so according to different buttons to different behaviors should be arranged, generally speaking be a few attributes will adjusting the magnifier control, as: attributes such as the size of magnification ratio, magnifier control, renewal speed, perhaps close behaviors such as magnifier control.
A4. the described new message that comprises the screen position coordinate is sent to the corresponding application programs on the screen.
Wherein " application area " is " the described zone that is exaggerated comprises the All Ranges in the screen scope ".
Click location is converted into the position of amplifying on the preceding screen, and generates the new message that comprises screen coordinate, send to the corresponding application programs on the screen then with this position.For example, remember that the position that comprises screen coordinate is (x
Mag, y
Mag), the new position that comprises screen coordinate after the conversion is
Type of message in the new message that comprises screen coordinate after the conversion: click, double-click, press, unclamp etc., left button or right button or roller message etc., other message parameters etc. all remain unchanged.
This forwards corresponding application to the screen, this message can be the non-message that comprises screen coordinate of unconverted, also can be the message that comprises screen coordinate through conversion.
See also Fig. 4, a kind of to being shown the content exchange operated system, comprising:
Obtain user input unit 60, judge the message elements 70, interactive operation unit 80, the transmitting element 90 that comprise screen coordinate.Obtain user input unit 60: obtain user's input, guarantee that the input focus of system in the whole process does not change; Judge the message elements 70 comprise screen coordinate: with obtain user input unit 60 and link to each other, being used to judge whether is the message that comprises screen coordinate; Interactive operation unit 80: the message elements 70 that comprises screen coordinate with judgement links to each other, be used for carrying out different operations according to the position of screen coordinate, comprise if comprise the amplification content display region that the position of screen coordinate is in the magnifier control, then click location is converted into the screen position before amplifying, and generates the new message that comprises the screen position coordinate with this position; Transmitting element 90: link to each other with interactive operation unit 80, be used for user input instruction or the new message that comprises the screen position coordinate are sent to corresponding application programs on the screen.
In the present invention to being shown in the content exchange operated system, described different operation specifically:
If comprise the amplification content display region that the position of screen coordinate is in the magnifier control, then this position is converted into the screen position before amplifying, and generates the new message that comprises the screen position coordinate with this position;
If the position that comprises screen coordinate is outside the magnifier control, the moving magnifier control comprises its viewing area of amplifying content to be positioned at the position that comprises screen coordinate so;
If comprise frame or the handle place of the position of screen coordinate at the magnifier control, this message that comprises screen coordinate will be adjusted the attribute of magnifier control itself so, comprise: size, the renewal speed of magnification ratio, magnifier control and close the magnifier control.
, obtain user input unit 60 and comprise being shown in the content exchange operated system of the present invention: keyboard action subelement, mouse action subelement, finger touch action subelement, position, the variation subelement of attitude attribute by the equipment of gyroscope apparatus institute perception.
Generally speaking, the method/system that amplification disclosed in this invention shows can amplify any content that shows on the screen, and the method/system to the interactive operation of amplification content displayed disclosed in this invention can make the user directly carry out alternately with the content that is exaggerated by the magnifier control.
For instance, adopted the present invention to amplify the desktop of display system, if on the display screen just like knob down: " read recently " is used to write down the file of browsing recently; " wireless bookstore " is used to browse online library; " PC download " is used to download books or the like.When mouse is placed on " reading recently " when going up, the magnifier control that occurs a rectangle " reading recently ", the font that in the magnifier control is 3 times of amplifications " is read " recently, under the magnifier control, also has a " set " button, other marginal portions of magnifier control, as frame, handle etc., be used to accept user's input to change the position.User's input can be to drag frame or handle, at this moment:
The user clicks " setting ", and the parameter of magnifier control then can be set, and parameter can comprise the size of magnification ratio, magnifier control, the renewal speed of magnifier control etc., perhaps reads the last parameter that is provided with automatically;
If the user wants to check the content at other positions of screen, only need drag the frame of magnifier control, the magnifier control is dragged to appointed part, perhaps input equipment is clicked other positions of wanting to check screen on the screen.The shape of the frame of magnifier control can change along with the variation of magnifier control position, thereby makes things convenient for the user to check the source images of screen edge.
If the user thinks that click is exaggerated the mirror control and amplifies content displayed, as: button, icon, link etc., then can click the corresponding contents in the magnifier control.
Implement amplification demonstration of the present invention and, have following beneficial technical effects being exaggerated the method and system of displaying contents interactive operation:
Under the prerequisite of size that does not change screen elements and layout, can make things convenient for any content on caliginous user (as old user) the reading electronic reader screen, also can make things convenient for action inconvenient user (as old user) and electronic reader to carry out alternately.
In conjunction with the accompanying drawings embodiments of the invention are described above; but the present invention is not limited to above-mentioned embodiment; above-mentioned embodiment only is schematic; rather than it is restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away under the scope situation that aim of the present invention and claim protect, also can make a lot of forms, these all belong within the protection of the present invention.
Claims (12)
1. a method of amplifying demonstration is characterized in that, comprising:
S1. according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and at the interface of specified location demonstration magnifier control, wherein, the parameter of magnifier comprises magnification ratio;
S2. obtain all the elements that show in the screen scope, save as source images;
S3. determine the zone that is exaggerated in the screen scope according to the residing described assigned address of magnifier control, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope;
S4. the corresponding source images content in zone that is exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and show.
2. the method that amplification according to claim 1 shows is characterized in that the parameter of magnifier control also comprises among the described step S1: the size of renewal speed, magnifier control.
3. the method that amplification according to claim 1 shows is characterized in that, also comprises step S11 behind the described step S1, according to user's triggering, judges whether the parameter of magnifier control changes, if return step S1; If not, enter step S2.
4. the method that amplification according to claim 1 shows is characterized in that, describedly determines the zone that is exaggerated in the screen scope to comprise according to the residing described assigned address of magnifier control:
When being the center with described assigned address, all edges of the magnifier control of determining according to the size of described magnifier control are in the screen scope time, and the central point of determining to be exaggerated the zone is the central point of magnifier control; Otherwise, adjust the center of magnifier control, all edges that make the magnifier control are in the screen scope, and will be exaggerated the zone and continue to use the direction that the family drags the magnifier control and move both set a distances, described both set a distances are less than or equal to the setting step-length, are positioned at the screen scope and are as the criterion to guarantee to be exaggerated the zone; Size and magnification ratio according to the magnifier control are determined to be exaggerated regional size, and then accurately determine magnification region;
Or, make the position of zone in the magnifier control that be exaggerated along with the center of magnifier control changes at the position linearity of screen scope, the size of determining to be exaggerated the zone according to the size and the magnification ratio of magnifier control, and then accurately determine magnification region.
5. the method that amplification according to claim 1 shows is characterized in that, the zone that is exaggerated in the described screen scope comprises the All Ranges in the screen scope.
6. a system of amplifying demonstration is used to realize the described method of claim 1, it is characterized in that, comprising:
The unit gets parms: according to the startup command of the magnifier control that obtains, obtain the parameter of magnifier control, and at the interface of specified location demonstration magnifier control, wherein, the parameter of magnifier control comprises magnification ratio;
Obtain all the elements unit: link to each other with the described unit that gets parms, be used to obtain all the elements that show in the screen scope, save as source images;
Obtain content element to be amplified: link to each other with described all the elements unit that obtains, be used for determining the zone that is exaggerated in the screen scope, and obtain the corresponding source images content in zone that is exaggerated in the described screen scope according to the residing described assigned address of magnifier control;
Amplify display unit: obtain content element to be amplified and link to each other with described, the corresponding source images content in zone that is used for being exaggerated in the described screen scope is amplified by the magnification ratio that obtains, and demonstration.
7. one kind to being shown the content exchange method of operating, is used for the system that the described amplification of interactive operation claim 6 shows, it is characterized in that, comprising:
A1. obtain user's input;
A2. judge whether the user comprises the message of screen coordinate position in importing; If enter steps A 3; If not, enter steps A 4;
A3. carry out different operations according to described screen coordinate position; If described screen coordinate position is in the amplification content display region of magnifier control, then this position is converted into the position on the screen before amplifying, and generates the new message that comprises the screen coordinate position with this position, enter steps A 4;
A4. the new message that comprises the screen coordinate position is sent to the corresponding application programs on the screen, thereby user's operation is responded.
8. pair be shown the content exchange method of operating according to claim 7, it is characterized in that described steps A 3 also comprises:
If the screen coordinate position outside the magnifier control, then enters steps A 32, the moving magnifier control makes its viewing area of amplifying content be positioned at the screen coordinate position so;
If the screen coordinate position is at the frame or the handle place of magnifier control, then enter steps A 33, to adjust the attribute of magnifier control itself so according to this screen coordinate location message, comprise: magnification ratio, the size of magnifier control, renewal speed, close the magnifier control.
9. according to claim 7 to being shown the content exchange method of operating, it is characterized in that described user input comprises: keyboard action, mouse action, finger touch action, position, the variation of attitude attribute by the equipment of gyroscope apparatus institute perception.
10. one kind to being shown the content exchange operated system, is used to realize the described method of claim 7, it is characterized in that, comprising:
Obtain user input unit, obtain user's input;
Judge and to comprise screen coordinate location message unit: link to each other with the described user input unit of obtaining, be used for judging that the user imports whether comprises the screen coordinate location message;
Interactive operation unit: comprise screen coordinate location message unit with described judgement and link to each other, be used for carrying out different operations according to the screen coordinate position, if described screen coordinate position is in the amplification content display region of magnifier control, then this position is converted into the position on the screen before amplifying, and generates the new message that comprises the screen coordinate position with this position;
Transmitting element: link to each other with described interactive operation unit, be used for user input or the new message that comprises the screen coordinate position are sent to corresponding application programs on the screen.
11. according to claim 10ly it is characterized in that being shown the content exchange operated system, described different operation specifically:
If the screen coordinate position is in the amplification content display region of magnifier control, then this position is converted into the position on the screen before amplifying, and generates new screen coordinate location message with this position;
If the screen coordinate position is outside the magnifier control, the moving magnifier control comprises its viewing area of amplifying content to be positioned at the screen coordinate position so;
If the screen coordinate position is at the frame or the handle place of magnifier control, this screen coordinate location message will be adjusted the attribute of magnifier control itself so, comprise: magnification ratio, the size of magnifier control, renewal speed, close the magnifier control.
12. it is according to claim 10 to being shown the content exchange operated system, it is characterized in that the described user input unit of obtaining comprises: keyboard action subelement, mouse action subelement, finger touch action subelement, position, the variation subelement of attitude attribute by the equipment of gyroscope apparatus institute perception.
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