CN101853121A - Picture browsing method and device based on gravity sensor - Google Patents
Picture browsing method and device based on gravity sensor Download PDFInfo
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- CN101853121A CN101853121A CN201010125604A CN201010125604A CN101853121A CN 101853121 A CN101853121 A CN 101853121A CN 201010125604 A CN201010125604 A CN 201010125604A CN 201010125604 A CN201010125604 A CN 201010125604A CN 101853121 A CN101853121 A CN 101853121A
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Abstract
The invention discloses a picture browsing method based on a gravity sensor. The method comprise the following steps: A according to an adaptation control command, original pictures stored in advance are converted into adaptation pictures adapted for the display screen resolution ratio of a mobile termination and are displayed on a display screen, B the gravity sensor senses the motion state of the mobile termination, generates sensing information, analyzes the sensing information and generates amplification sensing information, reducing or translation sensing information, an operation control command is generated according to the amplification sensing information, the reducing or the translation sensing information, and the adaptation pictures are amplified, reduced or translated according to the operation control command. At the same time, the invention further discloses a picture browsing device based on the gravity sensor. The method and the device can improve the user experience.
Description
Technical field
The present invention relates to the picture browsing technology, particularly a kind of picture browsing method and device based on gravity sensor.
Background technology
Along with development of science and technology, portable terminal, mobile phone for example, obtained using widely, and increasing portable terminal no longer only has communication function, and compatible multimedia function, for example, a lot of portable terminals are supported picture browsing, can be used for photo of taking or the various pictures of downloading from the Internet such as image are browsed.
Prior art mainly provides two kinds of picture browsing methods that are applied to portable terminal, respectively these two kinds of methods is simply introduced below.
Prior art one:. at first according to the distribution of current mobile terminal keyboard will be to be browsed picture be divided into and button picture block one to one, for example, if the keyboard of current mobile terminal comprises 12 buttons, picture that then will be to be browsed is divided into 12 picture block, makes button corresponding one by one with picture block; Then, when the user pushes button, chosen by the user with the corresponding picture block of the button of pressing; At last the center with the picture block chosen is that basic point amplifies picture, thereby the amplification of carrying out picture block is browsed.Yet prior art one exists following shortcoming: the first, and the user can only amplify the picture block of choosing and browses, and after picture block was amplified, the user can not arbitrarily dwindle picture block and browse; Second, if the user will finish browsing of whole picture, then must choose each picture block successively, respectively each picture block is browsed, the navigation process that is equivalent to whole picture is split into several independent step, and the user is difficult to set up the direct feel to whole picture.
Prior art two: if the resolution of picture less than the resolution of mobile terminal display screen, then will be put in order on the display screen that pictures is presented on portable terminal according to center on Page; If the rate respectively of picture is greater than the resolution of mobile terminal display screen, then successively from picture intercepting and the big or small identical picture block of the display screen of portable terminal, and on the display screen of portable terminal, show successively, finish until whole picture is viewed.Yet prior art two also exists following shortcoming: the first, and the user can not amplify picture block and browses or dwindle and browse; Second, if the user desires to finish browsing of whole picture, then must intercept each picture block successively, respectively each picture block is browsed, the navigation process that is equivalent to whole picture is split into several independent step, and the user is difficult to set up the direct feel to whole picture; The 3rd, the intercepting order of picture block is to carry out according to the fixedly flow process that sets in advance with browsing order, and the user can't select interested picture block according to the demand of self.
In addition, in the prior art, gravity sensor has obtained using widely, and the essence of gravity sensor is gravity sensor, is used for the motion state of sense object, for example, if gravity sensor is installed on portable terminal inside, when portable terminal moved, gravity sensor can be responded to the motion state of portable terminal, and the generation induction information, the motion state that the induction information reflect mobile terminal is current.But prior art does not also propose gravity sensor is applied to the technical scheme of the picture browsing of portable terminal.
To sum up, adopt the picture browsing method that prior art provided, user experience is lower.
Summary of the invention
In view of this, the invention provides a kind of picture browsing method, can improve user experience based on gravity sensor.
The present invention also provides a kind of picture browsing device based on gravity sensor, can improve user experience.
For solving the problems of the technologies described above, technical scheme of the present invention is achieved in that
A kind of picture browsing method based on gravity sensor, this method comprises:
A, according to adaptive steering order, with the original image of storage in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, and on display screen, present;
The motion state of B, gravity sensor induction portable terminal, and generate induction information;
Induction information is resolved, generate amplification induction message, dwindle induction message or translation induction message;
According to amplifying induction message, dwindling induction message or translation induction message generating run steering order;
According to the operation steering order, adaptive picture is amplified, dwindles or translation.
Described operation steering order comprises:
Amplify steering order, dwindle steering order and translation steering order; Wherein,
Described amplification steering order is used for control adaptive picture is amplified;
The described steering order of dwindling is used for control and dwindles amplifying picture;
Described translation steering order is used for control to amplifying picture or dwindling picture and carry out translation.
The method that the original image that will store in advance described in the steps A is converted to adaptive picture that can adaptive mobile terminal display screen resolution comprises:
Whether the ratio a of A1, the width of judging original image and height pixel count more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if, execution in step A2 then; Otherwise, execution in step A3;
A2, the height of determining adaptive picture and width pixel count, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the width pixel count of adaptive picture equals the width pixel count of mobile terminal display screen, and the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen;
A3, the height of determining adaptive picture and width pixel count, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the height pixel count of adaptive picture equals the height pixel count of mobile terminal display screen, and the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen.
Described control comprises the method that adaptive picture amplifies:
B1, set in advance the amplification step-length;
Amplification step-length that B2, basis set in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, or the height pixel count of amplification picture is greater than the amplification height threshold that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, control adaptive picture according to the width of the amplification picture that is calculated with the height pixel count and amplify, and control amplification picture shows between two parties.
Described control comprises the method that the amplification picture dwindles:
C1, set in advance and dwindle step-length;
What C2, basis set in advance dwindles step-length and dwindles induction message, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, or the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, amplify picture according to width that dwindles picture that is calculated and height pixel count control and dwindle, and control is dwindled picture and shown between two parties.
The width pixel count that described reduced width threshold value is adaptive picture, the height pixel count that described reduced height threshold value is adaptive picture.
Described control comprises the method that the amplification picture carries out translation:
Whether D1, the width of judging photo current and height pixel count be respectively greater than the width and the height pixel count of mobile terminal display screen, if the width pixel count of photo current is greater than the height pixel count of the width pixel count of mobile terminal display screen or the photo current height pixel count greater than mobile terminal display screen, then execution in step D2; Otherwise, process ends;
D2, set in advance the translation step-length;
D3, judge the relatively move distance at terminal display screen center of center picture after the translation, if after the translation center picture with respect to the distance at mobile terminal display screen center greater than predefined translation threshold value, then process ends; Otherwise, according to translation step-length that sets in advance and translation induction message, calculate the position at the relative photo current of center picture center after the translation, and according to center picture after the translation of being calculated with respect to translation before the position control at center of picture photo current is carried out translation.
When described translation is to left or to right translation, then translation threshold value is 1/2 of a display screen width pixel count; When described translation is upwards translation or translation downwards, then translation threshold value is 1/2 of a display screen height pixel count.
This method further comprises: according to the user at adaptive picture, amplify picture or dwindle the selected zone of picture, adjust the brightness in selected zone according to preset requirement.
A kind of picture browsing device based on gravity sensor, this device comprises: gravity sensor, parsing module, central control module and display module; Wherein,
Described gravity sensor is used to respond to the motion state of portable terminal, generates induction information, and the induction information that generates is sent to parsing module;
Described parsing module is used for induction information is resolved, and generate to amplify induction message, dwindles induction message or translation induction message, and the amplification that will generate induction message, dwindle induction message or translation and respond to message and be sent to central control module;
Described central control module, be used to control the original image that will store in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, also be used for according to amplifying induction message, dwindling induction message or translation induction message and control adaptive picture and amplify, dwindle or translation;
Described display module is used to present adaptive picture, also be used to present to adaptive picture amplify, dwindle or translation after picture.
Described central control module comprises: adaptive control module, amplify control module, dwindle control module and translation control module; Wherein,
Described adaptive control module, be used to control the original image that will store in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture;
Described amplification control module is used for control adaptive picture is amplified;
The described control module that dwindles is used for control and dwindles amplifying picture;
Described translation control module is used for control to amplifying picture or dwindling picture and carry out translation.
Described adaptive control module comprises: relatively subelement, width mate subelement and matched subelement; Wherein,
Described relatively subelement, whether the ratio a that is used to judge the width of original image and height pixel count is more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if then carry out width coupling subelement; Otherwise, carry out the matched subelement;
Described width coupling subelement, be used for determining the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the width pixel count of adaptive picture equals the width pixel count of mobile terminal display screen, and the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen;
Described matched subelement, be used for determining the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the height pixel count of adaptive picture equals the height pixel count of mobile terminal display screen, and the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen.
Described amplification control module comprises: amplification is provided with subelement, amplifies and carry out subelement and amplify subelement placed in the middle; Wherein,
Described amplification is provided with subelement, is used to set in advance the amplification step-length;
Subelement is carried out in described amplification, according to amplification step-length that sets in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture greater than the amplification width threshold value that sets in advance or the height pixel count that amplifies picture greater than the amplification height threshold that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, control adaptive picture according to the width of the amplification picture that is calculated with the height pixel count and amplify;
Described amplification subelement placed in the middle is used for control and shows between two parties amplifying picture.
The described control module that dwindles comprises: dwindle subelement being set, dwindling the execution subelement and dwindling subelement placed in the middle; Wherein,
Described dwindling is provided with subelement, is used to set in advance dwindle step-length;
The described execution subelement that dwindles, be used for dwindling step-length and dwindling induction message according to what set in advance, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if the width pixel count that dwindles picture smaller or equal to the reduced width threshold value that sets in advance or the height pixel count that dwindles picture smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, amplify picture according to width that dwindles picture that is calculated and the control of height pixel count and dwindle;
Describedly dwindle subelement placed in the middle, be used for control and show between two parties dwindling picture.
Described translation control module comprises: subelement is set for translation judgment sub-unit, translation and subelement is carried out in translation; Wherein,
Described translation judgment sub-unit, be used to judge that the width of photo current and height pixel count are whether respectively greater than the width and the height pixel count of mobile terminal display screen, if the width pixel count of photo current is then carried out translation subelement is set greater than the height pixel count of the width pixel count of mobile terminal display screen or the photo current height pixel count greater than mobile terminal display screen; Otherwise, process ends;
Described translation is provided with subelement, is used to set in advance the translation step-length;
Subelement is carried out in described translation, is used to judge the relatively move distance at terminal display screen center of center picture after the translation, if after the translation center picture with respect to the distance at mobile terminal display screen center greater than predefined translation threshold value, then process ends; Otherwise, according to translation step-length that sets in advance and translation induction message, calculate the position at the relative photo current of center picture center after the translation, and according to center picture after the translation of being calculated with respect to translation before the position control at center of picture photo current is carried out translation.
This device further comprises: the brightness adjusting module, be used for according to the user at adaptive picture, amplify picture or dwindle the selected zone of picture, adjust the brightness in selected zone according to preset requirement.
As seen, according to technical scheme provided by the invention, gravity sensor is by the operation of induction user to portable terminal, can realize picture amplification, dwindle and translation, browse, dwindle to browse and browse thereby the user is arbitrarily amplified picture by the operation of interest, can improve user experience with translation.
Description of drawings
Fig. 1 is the process flow diagram of the embodiment of a kind of picture browsing method based on gravity sensor provided by the present invention;
Fig. 2 is the structural drawing of the embodiment of a kind of picture browsing device based on gravity sensor provided by the present invention;
Fig. 3 is the synoptic diagram of step 101 among the embodiment of a kind of picture browsing method based on gravity sensor provided by the present invention.
Embodiment
For making purpose of the present invention, technical scheme and advantage clearer, below with reference to the accompanying drawing embodiment that develops simultaneously, scheme of the present invention is described in further detail.
Fig. 1 is the process flow diagram of the embodiment of a kind of picture browsing method based on gravity sensor provided by the present invention.As shown in Figure 1, this method may further comprise the steps:
It will be appreciated by those skilled in the art that, the resolution of original image is normally different with the resolution of mobile terminal display screen, therefore, when the user need present the original image of storing in advance in the portable terminal on display screen, need do corresponding processing to the resolution of original image, make the original image can adaptive current display screen, that is to say, need in the portable terminal in advance the original image of storage decode, with original image be converted to can adaptive mobile terminal display screen adaptive picture.
In addition, adaptive steering order triggers according to user's behavior, for example, can a button be set at portable terminal, when the user clicks this button, then trigger adaptive steering order, portable terminal according to adaptive steering order with original image be decoded as can adaptive mobile terminal display screen adaptive picture, and on display screen, present to the user.
Specifically, the method that original image is converted to adaptive picture that can adaptive mobile terminal display screen resolution comprises following step: A1, at first judges that whether the ratio a of the width of original image and height pixel count is more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if, execution in step A2 then; Otherwise, execution in step A3; The width pixel count of A2, adaptive picture equals the width pixel count of mobile terminal display screen, the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen, according to the width pixel count and the height pixel count of determined adaptive picture original image is decoded; The height pixel count of A3, adaptive picture equals the height pixel count of mobile terminal display screen, the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen, according to the width pixel count and the height pixel count of determined adaptive picture original image is decoded.
Said method is illustrated, and Fig. 3 is the synoptic diagram of step 101 among the embodiment of a kind of picture browsing method based on gravity sensor provided by the present invention.As shown in Figure 3, the resolution of supposing original image is 800*600, wherein, the width pixel count of original image is 800, the height pixel count of original image is 600, the resolution of supposing display screen is 480*320, wherein, the width pixel count of display screen is 480, the height pixel count is 320, the then width of original image and highly the ratio a=800/600 of pixel count, the ratio b=480/320 of the width of display screen and height pixel count, because a is less than b, then the height pixel count of adaptive picture equals the height pixel count 320 of display screen, the width pixel count of adaptive picture equals value of rounding up 427 of height pixel count 320 with width with the product of the ratio a of height pixel count of original image of display screen, then the resolution of final definite adaptive picture is 427*320, and preferably, adaptive picture shows on display screen between two parties, the left margin of adaptive picture and the left margin of display screen be at a distance of 26 pixels, the right of adaptive picture along with the right of display screen along at a distance of 27 pixels.
Because it is the content of prior art that gravity sensor produces the principle of induction information, no longer step 102 is described in detail herein.
In the present invention, described motion state is meant: upset and whipping, motion state also comprises flip angle or whipping direction etc., based on above-mentioned motion state, induction information can comprise reverses direction information, for example upset forward, also can comprise flip angle information, for example, 30 degree that overturn forward also are similar for whipping.
Step 103 is resolved induction information, generates amplification induction message, dwindles induction message or translation induction message.
According to the resolution rules that sets in advance induction information is resolved, for example, the corresponding relation of flip-flop movement state and image zooming can be set, the corresponding relation of whipping motion state and picture translation also can be set, specifically, can be defined as picture with overturning forward amplifies, can be defined as picture with turning over dwindles, whipping left can be defined as picture to left, whipping to the right can be defined as picture to right translation, the whipping that makes progress can be defined as the picture translation that makes progress, downward whipping can be defined as the downward translation of picture.
When resolution rules is set, triggered the convergent-divergent or the translation of picture in order to prevent misoperation of users, the activation threshold value of convergent-divergent or translation also can be set, for example,, then be considered as picture and amplify when overturning forward more than 30 degree.
Above-mentioned resolution rules is only for illustrating, and in actual applications, the setting of resolution rules is not limited to foregoing description.
Step 104 is according to amplifying induction message, dwindling induction message or translation induction message generating run steering order.
Specifically, the operation steering order comprises: amplify steering order, dwindle steering order and translation steering order.Wherein, amplify steering order control adaptive picture is amplified, dwindle steering order control and dwindle amplifying picture, the control of translation steering order is carried out translation to amplifying picture.
Control comprises the method that adaptive picture amplifies: B1, set in advance the amplification step-length, wherein, amplify step-length and be meant every amplification resolution enlargement factor once, for example, it is 4 times that the amplification step-length can be set, when being every amplification one time, the width pixel count that amplifies picture is 2 times of the width pixel count of picture before amplifying, and the height pixel count that amplifies picture also is 2 times of the height pixel count of picture before amplifying; Amplification step-length that B2, basis set in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, or the height pixel count of amplification picture is greater than the amplification height threshold that sets in advance, then process ends; Otherwise, center with mobile terminal display screen is a basic point, controlling adaptive picture according to the width of the amplification picture that is calculated with the height pixel count amplifies, and control shows between two parties to amplifying picture, wherein, the amplifying power of picture is subjected to the restriction of portable terminal memory size, therefore the memory size of neglecting portable terminal greatly of threshold value and decide, common portable terminal internal memory is big more, and then threshold value is big more, in addition, need to prove, because the width of amplification picture and height pixel number average are greater than adaptive picture, therefore, display screen can not intactly present the amplification picture, but amplifying center picture still overlaps with the display screen center.
Comprise amplifying the method that picture dwindles: C1, set in advance and dwindle step-length; What C2, basis set in advance dwindles step-length and dwindles induction message, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, or the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, center with mobile terminal display screen is a basic point, amplifying picture according to width that dwindles picture that is calculated and the control of height pixel count dwindles, and control shows between two parties that to dwindling picture wherein, the reduced width threshold value is generally the width pixel count of adaptive picture, the reduced height threshold value is generally the height pixel count of adaptive picture, that is to say, will amplify the size that picture is contracted to adaptive picture usually, then no longer continue to carry out reduction operation.
Comprise amplifying the method that picture carries out translation: whether D1, the width of judging photo current and height pixel count be respectively greater than the width of mobile terminal display screen and pixel count highly, if the width of photo current or height pixel count are greater than width and height pixel count, then the execution in step D2 of mobile terminal display screen; Otherwise, process ends; D2, set in advance the translation step-length; D3, judge the relatively move distance at terminal display screen center of center picture after the translation, if after the translation center picture with respect to the distance at mobile terminal display screen center greater than predefined translation threshold value, then process ends; Otherwise, according to translation step-length that sets in advance and translation induction message, calculate the position at the relative photo current of center picture center after the translation, and according to center picture after the translation of being calculated with respect to translation before the position control at center of picture photo current is carried out translation.
Need to prove that step D1 is in order to judge that whether photo current is to amplify picture, if for amplifying picture, then carry out the action of translation, if be adaptive picture, then need not to carry out the action of translation.In addition, translation distance when the translation step-length is meant every translation one time, when translation is during to left or to right translation, the translation threshold value is 1/2 of a display screen width pixel count, when translation is upwards translation or translation downwards, the translation threshold value is 1/2 of a display screen height pixel count, the purpose that threshold value is set is to make the edge that is no more than display screen along the edge of the rightabout amplification picture of translation direction, for example, if to left, must guarantee that then the right of amplifying picture enters display screen along the edge, the right of not crossing display screen.
Step 105 according to the operation steering order, is amplified, is dwindled or translation adaptive picture.
According to above-mentioned adaptive picture is amplified, dwindles and amplifies the control method that picture carries out translation, adaptive picture is correspondingly amplified, dwindles or translation amplifying picture, and final by display screen present amplification, dwindle or translation after picture.
So far, this flow process finishes.
Need to prove, if portable terminal is a touch-screen, also can be according to user selected area, adjust the brightness in selected zone, so that make things convenient for the user to check the local detail of institute's favored area, the method for adjusting the brightness in selected zone can adopt brightness regulation algorithm of the prior art, in addition, the size of adjusted brightness also can be set, to adapt to requirements of different users by the user.
Based on the above-mentioned picture browsing method that is applied to portable terminal, Fig. 2 is the structural drawing of the embodiment of a kind of picture browsing device based on gravity sensor provided by the present invention.As shown in Figure 2, this device comprises: gravity sensor 201, parsing module 202, central control module 203 and display module 204.
The motion state of gravity sensor 201 induction portable terminals generates induction information, and the induction information that generates is sent to parsing module 202; 202 pairs of induction informations of parsing module are resolved, and generate to amplify induction message, dwindle induction message or translation induction message, and the amplification that will generate induction message, dwindle induction message or translation and respond to message and be sent to central control module 203; The original image that central control module 203 control will be stored in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, also be used for according to amplifying induction message, dwindling induction message or translation induction message and control adaptive picture and amplify, dwindle or translation; Display module 204 is used to present adaptive picture, also be used to present to adaptive picture amplify, dwindle or translation after picture.
The original image that 2031 controls of adaptive control module will be stored in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture; Amplifying control module 2032 controls amplifies adaptive picture; Dwindling control module 2033 controls dwindles amplifying picture; Move control module 2034 controls to amplifying picture or dwindling picture and carry out translation.
Relatively subelement 20311 judges that whether the ratio a of the width of original image and height pixel count is more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if then carry out width and mate subelement 20312; Otherwise, carry out matched subelement 20313; Width coupling subelement 20312 is determined the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the width pixel count of adaptive picture equals the width pixel count of mobile terminal display screen, and the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen; Matched subelement 20313 is determined the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the height pixel count of adaptive picture equals the height pixel count of mobile terminal display screen, and the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen.
Amplifying control module 2032 comprises: amplification is provided with subelement 20321, amplifies and carry out subelement 20322 and amplify subelement 20323 placed in the middle.
Amplification is provided with subelement 2032 and sets in advance the amplification step-length; Amplify and carry out subelement 20322 according to amplification step-length that sets in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture greater than the amplification width threshold value that sets in advance or the height pixel count that amplifies picture greater than the amplification height threshold that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, control adaptive picture according to the width of the amplification picture that is calculated with the height pixel count and amplify; Amplifying subelement 20323 controls placed in the middle shows between two parties to amplifying picture.
Dwindling control module 2033 comprises: dwindle subelement 20331 being set, dwindling execution subelement 20332 and dwindling subelement 20333 placed in the middle.
Dwindle and subelement 20331 is set sets in advance and dwindle step-length; Dwindling execution subelement 20332 dwindles step-length and dwindles induction message according to what set in advance, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if the width pixel count that dwindles picture smaller or equal to the reduced width threshold value that sets in advance or the height pixel count that dwindles picture smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, amplify picture according to width that dwindles picture that is calculated and the control of height pixel count and dwindle; Dwindling subelement 20333 controls placed in the middle shows between two parties to dwindling picture.
This device further comprises: brightness adjusting module 205, according to the user at adaptive picture, amplify picture or dwindle the selected zone of picture, adjust the brightness in selected zone according to preset requirement
The embodiment of a kind of picture browsing device based on gravity sensor provided by the present invention specifies the respective description that please refer among the method embodiment shown in Figure 1, repeats no more herein.
To sum up, in the present invention, according to adaptive steering order, with the original image of storage in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, and after presenting on the display screen, the motion state of gravity sensor induction portable terminal, and generation induction information, then induction information is resolved, generate and amplify induction message, dwindle induction message or translation induction message, according to amplifying induction message, dwindle induction message or translation induction message generating run steering order, thereby adaptive picture is amplified, dwindle or translation, as seen, gravity sensor is by the operation of induction user to portable terminal, can realize the amplification of picture, dwindle and translation, browse thereby the user is arbitrarily amplified picture by the operation of interest, dwindle to browse and browse, improved user experience with translation.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the picture browsing method based on gravity sensor is characterized in that, this method comprises:
A, according to adaptive steering order, with the original image of storage in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, and on display screen, present;
The motion state of B, gravity sensor induction portable terminal, and generate induction information;
Induction information is resolved, generate amplification induction message, dwindle induction message or translation induction message;
According to amplifying induction message, dwindling induction message or translation induction message generating run steering order;
According to the operation steering order, adaptive picture is amplified, dwindles or translation.
2. method according to claim 1 is characterized in that, described operation steering order comprises: amplify steering order, dwindle steering order and translation steering order; Wherein,
Described amplification steering order is used for control adaptive picture is amplified;
The described steering order of dwindling is used for control and dwindles amplifying picture;
Described translation steering order is used for control to amplifying picture or dwindling picture and carry out translation.
3. method according to claim 1 is characterized in that, the method that the original image that will store in advance described in the steps A is converted to adaptive picture that can adaptive mobile terminal display screen resolution comprises:
Whether the ratio a of A1, the width of judging original image and height pixel count more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if, execution in step A2 then; Otherwise, execution in step A3;
A2, the height of determining adaptive picture and width pixel count, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the width pixel count of adaptive picture equals the width pixel count of mobile terminal display screen, and the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen;
A3, the height of determining adaptive picture and width pixel count, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the height pixel count of adaptive picture equals the height pixel count of mobile terminal display screen, and the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen.
4. method according to claim 2 is characterized in that, described control comprises the method that adaptive picture amplifies:
B1, set in advance the amplification step-length;
Amplification step-length that B2, basis set in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, or the height pixel count of amplification picture is greater than the amplification height threshold that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, control adaptive picture according to the width of the amplification picture that is calculated with the height pixel count and amplify, and control amplification picture shows between two parties.
5. method according to claim 2 is characterized in that, described control comprises the method that the amplification picture dwindles:
C1, set in advance and dwindle step-length;
What C2, basis set in advance dwindles step-length and dwindles induction message, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, or the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, amplify picture according to width that dwindles picture that is calculated and height pixel count control and dwindle, and control is dwindled picture and shown between two parties.
6. method according to claim 5 is characterized in that, the width pixel count that described reduced width threshold value is adaptive picture, the height pixel count that described reduced height threshold value is adaptive picture.
7. method according to claim 2 is characterized in that, described control comprises the method that the amplification picture carries out translation:
Whether D1, the width of judging photo current and height pixel count be respectively greater than the width and the height pixel count of mobile terminal display screen, if the width pixel count of photo current is greater than the height pixel count of the width pixel count of mobile terminal display screen or the photo current height pixel count greater than mobile terminal display screen, then execution in step D2; Otherwise, process ends;
D2, set in advance the translation step-length;
D3, judge the relatively move distance at terminal display screen center of center picture after the translation, if after the translation center picture with respect to the distance at mobile terminal display screen center greater than predefined translation threshold value, then process ends; Otherwise, according to translation step-length that sets in advance and translation induction message, calculate the position at the relative photo current of center picture center after the translation, and according to center picture after the translation of being calculated with respect to translation before the position control at center of picture photo current is carried out translation.
8. method according to claim 7 is characterized in that, when described translation is to left or to right translation, then translation threshold value is 1/2 of a display screen width pixel count; When described translation is upwards translation or translation downwards, then translation threshold value is 1/2 of a display screen height pixel count.
9. according to claim 3,4,5 or 7 described methods, it is characterized in that this method further comprises: according to the user at adaptive picture, amplify picture or dwindle the selected zone of picture, adjust the brightness in selected zone according to preset requirement.
10. the picture browsing device based on gravity sensor is characterized in that, this device comprises: gravity sensor, parsing module, central control module and display module; Wherein,
Described gravity sensor is used to respond to the motion state of portable terminal, generates induction information, and the induction information that generates is sent to parsing module;
Described parsing module is used for induction information is resolved, and generate to amplify induction message, dwindles induction message or translation induction message, and the amplification that will generate induction message, dwindle induction message or translation and respond to message and be sent to central control module;
Described central control module, be used to control the original image that will store in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture, also be used for according to amplifying induction message, dwindling induction message or translation induction message and control adaptive picture and amplify, dwindle or translation;
Described display module is used to present adaptive picture, also be used to present to adaptive picture amplify, dwindle or translation after picture.
11. device according to claim 10 is characterized in that, described central control module comprises: adaptive control module, amplify control module, dwindle control module and translation control module; Wherein,
Described adaptive control module, be used to control the original image that will store in advance be converted to can adaptive mobile terminal display screen resolution adaptive picture;
Described amplification control module is used for control adaptive picture is amplified;
The described control module that dwindles is used for control and dwindles amplifying picture;
Described translation control module is used for control to amplifying picture or dwindling picture and carry out translation.
12. device according to claim 11 is characterized in that, described adaptive control module comprises: relatively subelement, width mate subelement and matched subelement; Wherein,
Described relatively subelement, whether the ratio a that is used to judge the width of original image and height pixel count is more than or equal to the width of mobile terminal display screen and the ratio b of height pixel count, if then carry out width coupling subelement; Otherwise, carry out the matched subelement;
Described width coupling subelement, be used for determining the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the width pixel count of adaptive picture equals the width pixel count of mobile terminal display screen, and the height pixel count of adaptive picture equals the width pixel count and the width of original image and the merchant's of the ratio a of height pixel count the value of rounding up of mobile terminal display screen;
Described matched subelement, be used for determining the height and the width pixel count of adaptive picture, height and width pixel count according to determined adaptive picture are decoded to original image, wherein, the height pixel count of adaptive picture equals the height pixel count of mobile terminal display screen, and the width pixel count of adaptive picture equals the value of rounding up of height pixel count with width with the product of the ratio a of height pixel count of original image of mobile terminal display screen.
13. device according to claim 11 is characterized in that, described amplification control module comprises: amplification is provided with subelement, amplifies and carry out subelement and amplify subelement placed in the middle; Wherein,
Described amplification is provided with subelement, is used to set in advance the amplification step-length;
Subelement is carried out in described amplification, according to amplification step-length that sets in advance and amplification induction message, calculate the width and the height pixel count that amplify picture, and judge that whether the width pixel count that amplifies picture is greater than the amplification width threshold value that sets in advance, whether the height pixel count that amplifies picture is greater than the amplification height threshold that sets in advance, if the width pixel count that amplifies picture greater than the amplification width threshold value that sets in advance or the height pixel count that amplifies picture greater than the amplification height threshold that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, control adaptive picture according to the width of the amplification picture that is calculated with the height pixel count and amplify;
Described amplification subelement placed in the middle is used for control and shows between two parties amplifying picture.
14. device according to claim 11 is characterized in that, the described control module that dwindles comprises: dwindle subelement being set, dwindling the execution subelement and dwindling subelement placed in the middle; Wherein,
Described dwindling is provided with subelement, is used to set in advance dwindle step-length;
The described execution subelement that dwindles, be used for dwindling step-length and dwindling induction message according to what set in advance, the width and the height pixel count of picture dwindled in calculating, and judge and whether dwindle the width pixel count of picture smaller or equal to the reduced width threshold value that sets in advance, whether the height pixel count that dwindles picture is smaller or equal to the reduced height threshold value that sets in advance, if the width pixel count that dwindles picture smaller or equal to the reduced width threshold value that sets in advance or the height pixel count that dwindles picture smaller or equal to the reduced height threshold value that sets in advance, then process ends; Otherwise, be basic point with the center of mobile terminal display screen, amplify picture according to width that dwindles picture that is calculated and the control of height pixel count and dwindle;
Describedly dwindle subelement placed in the middle, be used for control and show between two parties dwindling picture.
15. device according to claim 11 is characterized in that, described translation control module comprises: subelement is set for translation judgment sub-unit, translation and subelement is carried out in translation; Wherein,
Described translation judgment sub-unit, be used to judge that the width of photo current and height pixel count are whether respectively greater than the width and the height pixel count of mobile terminal display screen, if the width pixel count of photo current is then carried out translation subelement is set greater than the height pixel count of the width pixel count of mobile terminal display screen or the photo current height pixel count greater than mobile terminal display screen; Otherwise, process ends;
Described translation is provided with subelement, is used to set in advance the translation step-length;
Subelement is carried out in described translation, is used to judge the relatively move distance at terminal display screen center of center picture after the translation, if after the translation center picture with respect to the distance at mobile terminal display screen center greater than predefined translation threshold value, then process ends; Otherwise, according to translation step-length that sets in advance and translation induction message, calculate the position at the relative photo current of center picture center after the translation, and according to center picture after the translation of being calculated with respect to translation before the position control at center of picture photo current is carried out translation.
16. according to claim 12,13,14 or 15 described devices, it is characterized in that, this device further comprises: the brightness adjusting module, be used for according to the user at adaptive picture, amplify picture or dwindle the selected zone of picture, adjust the brightness in selected zone according to preset requirement.
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