CN101101595A - Method for brewing picture using slide and mobile apparatus using the method - Google Patents
Method for brewing picture using slide and mobile apparatus using the method Download PDFInfo
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- CN101101595A CN101101595A CNA200710075310XA CN200710075310A CN101101595A CN 101101595 A CN101101595 A CN 101101595A CN A200710075310X A CNA200710075310X A CN A200710075310XA CN 200710075310 A CN200710075310 A CN 200710075310A CN 101101595 A CN101101595 A CN 101101595A
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Abstract
Being suitable for mobile device to browse picture with resolution larger than resolution of screen, the method includes following steps: (1) intercepting content from picture with size fitted to screen, and displaying the content on the screen; (2) moving the area displayed on screen to another part of the picture, and executing step (1) again till browsing and displaying the picture completely. The invention also discloses the mobile device of using the method. The invention intercepts and partitions picture with large resolution, and then displays intercepted and partitioned picture in mode of slide show. Thus, it is not need to reduce, and detail of picture can be displayed sharply.
Description
Technical field
The present invention relates to a kind of method of brewing picture using slide and use the mobile device of this method.
Background technology
The general thumbnail that adopts is browsed, full framely browses, is amplified and manually browsing mode such as browse during existing mobile device browsing pictures, and what have also adopts this automatic picture browsing mode of magic lantern simultaneously.Under the mode of brewing picture using slide, the user does not need to carry out operations such as page turning, and the renewal that or next were opened on picture carried out in the predefined time interval is browsed.
Yet there is following defective in existing this mobile device magic lantern browsing mode: the viewing area of mobile device is generally less, for the picture of big pixel such as the photo of mega pixel level, has to dwindle processing and show to realize single screen under the magic lantern mode; Yet the picture detail after dwindling is unclear, if see details clearly, has to withdraw from the magic lantern mode and manually browses.
Summary of the invention
The technical matters that the embodiment of the invention will solve is, overcomes the deficiency that above-mentioned prior art exists, and a kind of method of brewing picture using slide is provided and uses the mobile device of this method, browses with the undistorted magic lantern of realizing big resolution picture on the mobile device.
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of method of brewing picture using slide, is applicable to that mobile device browses the picture of resolution greater than screen resolution, may further comprise the steps:
A. make screen display from described picture intercepting with the content that described screen size adapts; And
B. the moving screen viewing area is to described picture another part, and execution in step A finishes until described picture browsing demonstration again.
The embodiment of the invention also provides the mobile device of using said method, and it comprises:
The sectional drawing display module is used for making screen display from described picture intercepting with the content that described screen size adapts; And
Mobile module is used for after described sectional drawing display module is finished single job, and the moving screen viewing area continues to carry out its operation to picture another part by described sectional drawing display module.
The embodiment of the invention has following useful effect: shows by the magic lantern mode respectively by big resolution picture is intercepted to cut apart again, makes to need not to dwindle again this picture, and the details that can clearly Show Picture.
Description of drawings
Fig. 1 is the principle schematic of the method for embodiment of the invention brewing picture using slide.
Fig. 2 is the schematic flow sheet of mobile step in the method in the embodiment of the invention brewing picture using slide.
Fig. 3 is the particular flow sheet of the method in the embodiment of the invention brewing picture using slide.
Embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in detail.
The method of embodiment of the invention brewing picture using slide is applicable to that mobile device browses the picture of resolution greater than screen resolution, and its flow process is as follows:
Step 1 is made screen display from this picture intercepting with the content that this screen size adapts.
The method of " sliding window " intercepting is adopted in the intercepting of picture, and is specific as follows:
1, reads picture file in internal memory, and this picture unification is decoded as bitmap format, for the picture intercepting is prepared.This bitmap is kept in the preallocated internal memory, exists in this to keep in whole navigation process not being destroyed.
2, obtain the mobile device screen resolution, suppose the high SH that is, wide is SW (unit picture element), with the size of this size as sliding window.Distribute a display memory district, size satisfies the bitmap of preserving a SH*SW size.
3, from the bitmap of picture intercepting SH*SW size, as screen display, the content of the picture that shape is seen as the sliding window that sees through the SH*SW size.This operation is the internal memory replicate run, takes out the part of intercepting from whole bitmap internal memory, copies to the display memory district that distributes previously.
4, again the content in display memory district is shown on the device screen.
Step 2, finish once intercept display operation after, the moving screen viewing area is to described picture another part, execution in step one again.
Each moving shows that all taking out the part that will show from the picture internal memory copies to the display memory district, is shown to device screen then, and the window of shape such as SH*SW moves the content of seeing on picture.
Face is described as follows for move mode in detail.
Shown in please seeing figures.1.and.2 simultaneously, take first translation to show the mobile browsing mode of oblique demonstration again from this picture one angular zone to its vertical angle zone.Particularly, at first, the picture upper left corner that intercepting will be browsed, its area size and screen size adapt, as the first screen demonstration of screen; Then, show, arrive the right margin of picture up to the viewing area to right translation; Then, move down simultaneously the viewing area left, up to the left margin that arrives picture, content displayed is the content that a screen is moved in the upper left corner (the 1st screen) of picture vertically downward on this moment screen; Repeat above-mentionedly to show and move down simultaneously the step of demonstration left, arrive the right margin and the lower boundary of picture up to the viewing area simultaneously to right translation.The interval of the time of the content that Shows Picture, twice demonstration in front and back, each translation or oblique mobile step-length all can be set in advance by the user.
Further, please in conjunction with shown in Figure 3, the flow process of the method for embodiment of the invention brewing picture using slide is as follows:
If the screen of mobile device height is SH, wide is SW, the picture of being browsed is high to be PH, wide is PW, picture viewing area x axial coordinate is x, and the y axial coordinate is y, to the right (forward) mobile explicit identification d=0, (oppositely) mobile explicit identification d=1 left, SH, SW, PH, PW, x, y all are unit with the pixel.
Step 21, magic lantern is play beginning, is written into the picture that will show.
Step 22 reads photo resolution information, judges that photo resolution is whether greater than the resolution of mobile device display screen.If photo resolution is less than or equal to screen resolution, picture is then pressed traditional approach and is shown between two parties in screen; If photo resolution, promptly belongs to big resolution picture greater than screen resolution, then will adopt Z-shaped browsing mode to show.The picture that with resolution is 1280*960 below is to be shown as example on the screen of 320*240 to describe in resolution, SW=320 then, SH=240, PW=1280, PH=960.
Step 23, intercepting picture upper left corner content is carried out the 1st screen and is shown.Promptly Show Picture the earlier zone of upper left angular width 320 high 240, coordinate is (0,0,320,240) on the corresponding picture.The demonstration time, s can be by user preset.
Step 24 intercepts image content to the right and carries out the 2nd screen and show, the Show Picture zone of upper left angular width 320 high 240 of n the pixel that promptly move right, and coordinate is (n, 0,320+n, 240) on the corresponding picture.Do not omit image content in order to make, the pixel n of translation need be less than or equal to the width S W of screen, i.e. 1<=n<=320, and wherein n is more little, shows smoothly more, generally gets 1.The 3rd screen coordinate that as above then shows is (2n, 0,320+2n, 240).Because therefore the difference that the n value is set, and different picture size need to judge whether the viewing area has arrived the right margin of picture, if then further judge whether the viewing area arrives the lower boundary of picture in each translation; Show if not the translation that then continues next time to the right; If arrive the lower boundary of picture, then browsing of picture finishes; If not then entering next step.Judge that the mode whether viewing area arrives the right margin of picture is whether to judge x+SW more than or equal to PW, if then show the right margin that has arrived picture, if not then showing the described right margin of no show; Judge that the mode whether viewing area arrives the lower boundary of picture is whether to judge y+SH more than or equal to PH, if then show the lower boundary that has arrived picture, if not then showing the described lower boundary of no show.The image content that promptly shows this moment greater than PW as x+SW is during less than screen size, and then the right margin of described picture will overlap with the screen right-hand member, promptly allow to show coincidence, make screen display black surround not occur.
Step 25, the operation above continuing, up to the right margin of viewing area arrival picture, when promptly the viewing area coordinate was (960,0,1280,240), the viewing area began oblique simultaneously moving left downwards.Move to need also to judge whether the viewing area has arrived the left margin of picture at every turn,, next begin showing in the step 24 again to right translation if this oblique mobile end then is described; If do not arrive left margin, then explanation still is in the oblique moving process, continues oblique mobile demonstration.Judge the mode whether viewing area arrives the picture left margin is to judge whether x equals 0, if then show and arrived left margin, if not then showing the no show left margin.
The step-length that x direction and y direction move can be different, and what need to guarantee is when the viewing area moves to the picture high order end, and content displayed is that a content of shielding is moved in the upper left corner of picture vertically downward on the screen, be that coordinate is (0 on the corresponding picture, 240,320,480).Certainly this only is to the once oblique again situation that moves to left during the boundary of right translation, if repeatedly translation and oblique mobile, then when the lower boundary of oblique downwards left margin that moves to picture and no show picture left, screen display content must be the content that the high order end displaying contents moves a screen vertically downward before the last translation; If reached the lower boundary of picture this moment, then the lower boundary of described picture will overlap with the screen bottom, promptly allow to show to overlap, and make screen display black surround not occur.
Step 26, the operation of repeating step 24,25 arrives the right margin and the lower boundary of picture simultaneously up to the viewing area, and then whole picture browsing finishes, and coordinate is (960,720,1280,960) on the corresponding picture of last displaying contents.
Step 27 reads next pictures, repeats above-mentioned steps, plays up to finishing magic lantern.
See in the Z-shaped navigation process interested content at any time button stop to continue Z-shaped browsing, rest on the current content displayed.
With the display operation button, the user can also amplify, dwindle and operation such as rotation this moment during time-out.The user can also can operate by hardware button by the push-botton operation on the interface.Amplify, dwindle with rotary manipulation before will preserve current display memory district so that can recover current demonstration behind the EO, preserve simultaneously at this moment the coordinate of sliding window central point (x, y).Amplify, dwindle the size that need reorientate and count sliding window with rotary manipulation, at this moment window no longer slides but simple sampling window.
Amplifieroperation: establishing current enlargement factor is 2, and then new sliding window size is (SH/2) * (SW/2), so that (x y) obtains behind the image content through interpolation arithmetic for central point, and the bitmap of newly-generated SH*SW size copies to the display memory district then, shows.
Reduction operation: establishing current minification is 2, and then new sliding window size is (SH*2) * (SW*2), so that (x y) obtains image content for central point after the over-sampling computing, and the bitmap of newly-generated SH*SW size copies to the display memory district then, shows.
Rotary manipulation, new sliding window size is SW*SH.So that (x y) obtains the bitmap of SW*SH size for central point according to the anglec of rotation, copies to the display memory district then, shows.
Amplify, dwindle finish with rotary manipulation after, at first recover the display memory district that preserves, the content before the display operation.Then can button select to continue Z-shapedly to browse, jump to next or withdraw from magic lantern from this position.
Should be understood that the Z-shaped browsing mode in the present embodiment is translation from left to right, oblique downwards left simultaneously again moving, this is the browsing mode that the user is accustomed to most, also is the browsing mode of acquiescence.Based on the anti-Z-shaped browsing mode of same principle, promptly from the low order end of picture to left, oblique downwards to the right simultaneously again moving; Perhaps contrary Z-shaped (N shape) browsing mode, i.e. translation is initial from the left side of the bottom of picture or right margin, oblique moving is to make progress left simultaneously or make progress to the right simultaneously, all within the scope of the present invention.
The present invention also provides a kind of mobile device of using said method, and it comprises the sectional drawing display module, is used for making screen display from picture intercepting and the content that screen size adapts; And mobile module, being used for after the sectional drawing display module is finished single job, the moving screen viewing area continues to carry out its operation to picture another part by the sectional drawing display module.The move mode of described mobile module is to move translation again until its vertical angle zone from the translation of picture one angular zone elder generation is oblique again.
This mobile module further comprises: the translation module is used for from the picture left margin to right margin translation on-screen display (osd) area; And oblique mobile module, be used for from the picture right margin to left margin while downward left oblique moving screen viewing area.
Present embodiment also comprises the judgement control module, is used for whether arriving according to the viewing area judged result on picture border, controls the operation of described translation module and oblique mobile module.If the viewing area reached the right margin of picture but the no show lower boundary is then carried out oblique moving by oblique mobile module when the translation module was carried out translation; If oblique mobile module carry out oblique when mobile the viewing area reach the left margin of picture but the no show lower boundary then continues to carry out translation by the translation module; If when the viewing area arrives the right margin of picture and lower boundary simultaneously, then stop picture browsing.
Present embodiment also comprises: amplification module, be used for when present displayed content is taked amplifieroperation, obtaining image content again according to enlargement factor, and generate the new bitmap that adapts with screen size; Dwindle module, be used for when present displayed content is taked reduction operation, obtaining image content again, generate the new bitmap that adapts with screen size according to minification; And rotary module, be used for when present displayed content is taked rotary manipulation, obtaining image content again according to the anglec of rotation, generate the new bitmap that adapts with screen size.
The embodiment of the invention shows by the magic lantern mode respectively by big resolution picture is intercepted to cut apart again, makes to need not to dwindle again this picture, and the details that can clearly Show Picture.
Claims (11)
1, a kind of method of brewing picture using slide is applicable to that mobile device browses the picture of resolution greater than screen resolution, may further comprise the steps:
A. make screen display from described picture intercepting with the content that described screen size adapts; And
B. the moving screen viewing area is to described picture another part, and execution in step A finishes until described picture browsing demonstration again.
2, method according to claim 1 is characterized in that: described steps A further may further comprise the steps:
A1. read described picture in the mobile device internal memory, and be decoded as bitmap format;
A2. distribute a display memory district that is used to preserve the bitmap that adapts with described screen size;
A3. intercepting and the bitmap that described screen size adapts on the picture of described bitmap format copies to described display memory district; And
A4. the bitmap that described display memory district is obtained is shown on the described screen.
3, method according to claim 1 is characterized in that: the move mode among the described step B is until its vertical angle zone from the oblique more mobile translation again of described picture one angular zone elder generation's translation.
4, method according to claim 3 is characterized in that: described move mode is from the zigzag of described picture one its diagonal zones of angle or N font move mode.
5, method according to claim 1 is characterized in that: when intercepting image content each time and making screen display, can suspend and browse, amplify, dwindle or rotary manipulation for the user, it comprises step:
C1. preserve the coordinate of current display memory district and current display area central point;
C2. regenerate the bitmap that adapts with screen size according to action type and make screen display; And
C3. recover the display memory district of preservation, the content before the display operation.
6, a kind of application mobile device of method according to claim 1 is characterized in that: comprising:
The sectional drawing display module is used for making screen display from described picture intercepting with the content that described screen size adapts; And
Mobile module is used for after described sectional drawing display module is finished single job, and the moving screen viewing area continues to carry out its operation to picture another part by described sectional drawing display module.
7, mobile device according to claim 6 is characterized in that: the move mode of described mobile module is until its vertical angle zone from the oblique more mobile translation again of described picture one angular zone elder generation's translation.
8, mobile device according to claim 7 is characterized in that: described mobile module further comprises:
The translation module is used for from described picture left margin to right margin translation on-screen display (osd) area; And
Oblique mobile module is used for from described picture right margin to left margin while downward left oblique moving screen viewing area.
9, mobile device according to claim 8 is characterized in that: also comprise the judgement control module, be used for whether arriving according to the viewing area judged result on described picture border, control the operation of described translation module and oblique mobile module.
10, mobile device according to claim 9 is characterized in that: if the viewing area reaches the right margin of described picture but the no show lower boundary is then carried out oblique moving by described oblique mobile module when described translation module is carried out translation; If described oblique mobile module carry out oblique when mobile the viewing area reach the left margin of described picture but the no show lower boundary then continues to carry out translation by described translation module; If when the viewing area arrives the right margin of described picture and lower boundary simultaneously, then stop described picture browsing.
11, mobile device according to claim 7 is characterized in that: also comprise:
Amplification module is used for obtaining image content again according to enlargement factor when present displayed content is taked amplifieroperation, generates the new bitmap that adapts with described screen size;
Dwindle module, be used for when present displayed content is taked reduction operation, obtaining image content again, generate the new bitmap that adapts with described screen size according to minification; And
Rotary module is used for obtaining image content again according to the anglec of rotation when present displayed content is taked rotary manipulation, generates the new bitmap that adapts with described screen size.
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