CN109727257A - Method, device and terminal for automatically cutting picture - Google Patents
Method, device and terminal for automatically cutting picture Download PDFInfo
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- CN109727257A CN109727257A CN201811632553.3A CN201811632553A CN109727257A CN 109727257 A CN109727257 A CN 109727257A CN 201811632553 A CN201811632553 A CN 201811632553A CN 109727257 A CN109727257 A CN 109727257A
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Abstract
The embodiment of the invention discloses a method, a device and a terminal for automatically clipping pictures, relates to the technical field of computers, and can ensure that the pictures are not distorted and deformed during clipping. The method obtains the size information width X of the original picture1High Y1And size information width X of target picture2High Y2(ii) a Judging whether the original picture and the target picture are horizontal plates or vertical plates according to the size information; if the original picture and the target picture are horizontal or vertical at the same time, cutting the original picture to obtain an intermediate picture according to the size information of the original picture and the target picture; zooming the intermediate picture according to the size information of the target picture to obtain a target picture; or if the original picture and the target picture are not horizontal or vertical at the same time, zooming the original picture to obtain an intermediate picture according to the size information of the original picture and the target picture; and cutting the intermediate picture according to the size information of the target picture and/or the size information of the original picture to obtain the target picture.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of method, apparatus and terminal of automatic cutting picture.
Background technique
Existing picture automation is cut in program, only supports for the picture of identical dimensions to be cropped to specified size
Or original image is required to be the vertical version picture of identical size or must cut since the center of original image, scale cutting
Target Photo cannot be guaranteed the main body for leaving original image, based on requirements above when wallpaper material size is different, horizontal version is plain
Material wants the original image core cut out not in the center of original image, and cut-out picture will pixel mistake
Very, out of proportion, picture main body is lost after cutting.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of method, apparatus of automatic cutting picture, terminal, storage medium, it can
It is out of proportion with pixel distortion in effective solution picture cutting process, the problem of loss after the cutting of picture main body, the terminal
It can be mobile phone, tablet computer, removable computer etc..
In a first aspect, the embodiment of the present invention provides a kind of method of automatic cutting picture, comprising: obtain the ruler of original image
The very little wide X of information1, high Y1With the wide X of dimension information of Target Photo2, high Y2；The original image is judged according to the dimension information
It is horizontal version or vertical version with the Target Photo；If the original image and the Target Photo are horizontal version or vertical version simultaneously,
According to the dimension information of the original image and the Target Photo, cuts the original image and obtain intermediate picture；According to institute
The dimension information for stating Target Photo scales the intermediate picture and obtains Target Photo；Or, if the original image and the target
Picture does not scale the original then according to the dimension information of the original image and the Target Photo for horizontal version or vertical version simultaneously
Beginning picture obtains intermediate picture；It is cut in described according to the dimension information of the Target Photo and/or original image dimension information
Between picture obtain Target Photo.
Optionally, described the original image to be judged according to the dimension information and the Target Photo is horizontal version or perpendicular
Version further include:
If the high Y of dimension of picture information is greater than width X, picture is vertical version；
If the high Y of dimension of picture information is less than width X, picture is vertical version.
Optionally, it is described cut the original image and obtain intermediate picture include:
An empty drawing board is drawn, the original image is placed on the drawing board and is cut.
Optionally, it is described cut the original image and obtain intermediate picture include:
Calculate the ratio of width to height f of the original image1=X1/Y1, the Target Photo the ratio of width to height f2=X2/Y2；
Judge the f2With the f1Size；
If f2> f1, then the height of original image is cut to Y3=X1/f2Obtain intermediate picture；
If f2< f1, then the width of original image is cut to X3=Y1*f2Obtain intermediate picture.
Optionally, obtaining Target Photo according to the dimension information of the Target Photo scaling intermediate picture includes:
According to the size of the Target Photo and intermediate picture ratio, it is big to Target Photo to scale the intermediate picture
It is small, obtain Target Photo.
Optionally, the scaling original image obtains intermediate picture and includes:
Calculate the wide ratio f of the wide and described original image of the Target Photow=X2/X1With the Target Photo height and institute
State the high ratio f of original imageh=Y2/Y1；
Judge the fwAnd fhSize, if fw< fh, then f is enabled3=fh；Or,
If fw> fh, then f is enabled3=fw；
The original image is scaled to f3Size obtain intermediate picture, the high Y of intermediate picture3=Y1*f3, intermediate picture
Wide X3=X1*f3。
Optionally, described that Target Photo packet is obtained according to the dimension information of the Target Photo cutting intermediate picture
It includes: drawing an empty drawing board, the Target Photo is placed on the drawing board and is cut.
Optionally, it is described the intermediate picture cut according to the dimension information of the Target Photo obtain Target Photo also wrap
It includes:
If X3=X2, then the height of the Target Photo is cut to Y2Obtain intermediate picture；
If Y3=Y2, then the width of the Target Photo is cut to X2Obtain intermediate picture；
Optionally, it is described the intermediate picture cut according to the dimension information of the Target Photo obtain Target Photo also wrap
It includes: calculating the ratio of width to height f of the Target Photo2=X2/Y2；
Calculating the top left co-ordinate cut is (x, 0), wherein the x=(X1-Y1*f2)/2*f3；
The coordinate for calculating the lower right corner cut is (x+X2, y), wherein the y=(Y1-X1/f2)/2*f3；
According to top left co-ordinate (x, 0) and bottom right angular coordinate (x+X2, y) intermediate picture is cut to obtain target
Picture.
Optionally, the cutting includes: and is subject to two central axis equal proportions of picture to cut picture two sides.
Second aspect, the embodiment of the present invention provide a kind of device of automatic cutting picture, comprising:
Obtain module, the wide X of dimension information for obtaining original image1, high Y1With the wide X of dimension information of Target Photo2、
High Y2；
Judgment module, for the original image is judged according to the dimension information and the Target Photo be horizontal version or
Vertical version；
Module is cut, if being simultaneously horizontal version or vertical version for the original image and the Target Photo, according to
The dimension information of original image and the Target Photo cuts the original image and obtains intermediate picture；
Zoom module obtains Target Photo for scaling the intermediate picture according to the dimension information of the Target Photo；
Or,
If being not simultaneously horizontal version or vertical version for the original image and the Target Photo, according to the original image
With the dimension information of the Target Photo, scales the original image and obtain intermediate picture；
Module is cut, the centre is cut according to the dimension information of the Target Photo and/or original image dimension information
Picture obtains Target Photo.
Optionally, the judgment module executes:
When the high Y of dimension of picture information is greater than width X, picture is vertical version picture；
When the high Y of dimension of picture information is less than width X, picture is horizontal domain piece.
Optionally, it is described cut the original image and obtain intermediate picture include:
An empty drawing board is drawn, the original image is placed on the drawing board and is cut.
Optionally, it is described cut the original image and obtain intermediate picture include:
Computing module, for calculating the ratio of width to height f of the original image1=X1/Y1, the Target Photo the ratio of width to height f2
=X2/Y2；
Judgment module, for judging the f2With the f1Size；
Module is cut, if being used for f2> f1, then the height of original image is cut to Y3=X1/f2Obtain intermediate picture；
If f2< f1, then the width of original image is cut to X3=Y1*f2Obtain intermediate picture.
Optionally, obtaining Target Photo according to the dimension information of the Target Photo scaling intermediate picture includes:
Zoom module scales the intermediate picture to target according to the size of the Target Photo and intermediate picture ratio
Picture size obtains Target Photo.
Optionally, the scaling original image obtains intermediate picture and includes:
Computing module, for calculating the wide ratio f of the wide and described original image of the Target Photow=X2/X1With the mesh
Mark on a map piece height and the high ratio f of the original imageh=Y2/Y1；
Judgment module, for judging the fwAnd fhSize, work as fw< fhWhen, then enable f3=fh；Or,
Work as fw> fhWhen, then enable f3=fw；
Zoom module, for scaling the original image to f3Size obtain intermediate picture, the high Y of intermediate picture3=Y1*
f3, the wide X of intermediate picture3=X1*f3。
Optionally, described that Target Photo packet is obtained according to the dimension information of the Target Photo cutting intermediate picture
It includes:
An empty drawing board is drawn, the Target Photo is placed on the drawing board and is cut.
Optionally, it is described the intermediate picture cut according to the dimension information of the Target Photo obtain Target Photo also wrap
It includes:
If X3=X2, then the height of the Target Photo is cut to Y2Obtain intermediate picture；
If Y3=Y2, then the width of the Target Photo is cut to X2Obtain intermediate picture；
Optionally, it is described the intermediate picture cut according to the dimension information of the Target Photo obtain Target Photo also wrap
It includes:
Computing module calculates the ratio of width to height f of the Target Photo2=X2/Y2；
Calculating the top left co-ordinate cut is (x, 0), wherein the x=(X1-Y1*f2)/2*f3；
The coordinate for calculating the lower right corner cut is (x+X2, y), wherein the y=(Y1-X1/f2)/2*f3；
Module is cut according to top left co-ordinate (x, 0) and bottom right angular coordinate (x+X2, y) intermediate picture is cut
Obtain Target Photo.
Optionally, it is described cut module also execute: be subject to picture two central axis equal proportions to picture two sides carry out
It cuts.
The third aspect, the embodiment of the present invention also provide a kind of terminal, and the terminal includes: shell, processor, storage
Device, circuit board and power circuit, wherein circuit board is placed in the space interior that shell surrounds, and processor and memory setting exist
On circuit board；Power circuit, for each circuit or the device power supply for above-mentioned electronic equipment；Memory is executable for storing
Program code；Processor is corresponding with executable program code to run by reading the executable program code stored in memory
Program, the method for executing any automatic cutting picture provided in an embodiment of the present invention.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, described computer-readable to deposit
Storage media is stored with one or more program, and one or more of programs can be executed by one or more processor,
Method to realize any automatic cutting picture provided in an embodiment of the present invention.
The method, apparatus for automatic cutting picture, the terminal, storage medium of the embodiment of the present invention offer,
Obtain the wide X of dimension information of original image1, high Y1With the wide X of dimension information of Target Photo2, high Y2；According to described
Dimension information judges the original image and the Target Photo is horizontal version or vertical version；If the original image and the target
Picture is that horizontal version or vertical version according to the dimension information of the original image and the Target Photo cut the original graph simultaneously
Piece obtains intermediate picture；The intermediate picture, which is scaled, according to the dimension information of the Target Photo obtains Target Photo；Or, if institute
Stating original image and the Target Photo not is simultaneously horizontal version or vertical version, according to the ruler of the original image and the Target Photo
Very little information scales the original image and obtains intermediate picture；According to the dimension information of the Target Photo and/or original image ruler
Very little information cuts the intermediate picture and obtains Target Photo.The scheme through the invention, can be cut out with effective solution picture
Pixel distortion during cutting, it is out of proportion, the problem of loss after the cutting of picture main body.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of flow chart for the method for automatic cutting picture that the embodiment of the present invention provides；
Fig. 2 is a kind of structural schematic diagram for the device for automatic cutting picture that the embodiment of the present invention provides；
Fig. 3 is a kind of structural schematic diagram for the terminal that the embodiment of the present invention provides.
Specific embodiment
The embodiment of the present invention is described in detail with reference to the accompanying drawing.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
In a first aspect, the embodiment of the present invention provides a kind of method of automatic cutting picture, can be cut out with effective solution picture
Pixel distortion during cutting, it is out of proportion, the problem of loss after the cutting of picture main body.
As shown in Figure 1, the method for the automatic cutting picture that the embodiment of the present invention 1 provides may include:
S101 obtains the wide X of dimension information of original image1, high Y1With the wide X of dimension information of Target Photo2, high Y2；
In this step, picture is cut to original image is cut to Target Photo size, wherein original image and target
Size between picture is not specifically limited, and the size of original image, which can be greater than Target Photo, might be less that target figure
The size of piece.
S102, judges the original image according to the dimension information and the Target Photo is horizontal version or vertical version；
In this step, if dimension of picture information is greater than width X as the high Y of dimension of picture information, picture is vertical version, if picture
The high Y of dimension information is less than width X, then picture is vertical version.
S103, if the original image and the Target Photo are simultaneously horizontal version or vertical version, according to the original image
With the dimension information of the Target Photo, cuts the original image and obtain intermediate picture；
In this step, an empty drawing board is drawn, the original image is placed on the drawing board and is cut.It can
The method of cutting out of choosing calculates the ratio of width to height f of the original image1=X1/Y1, the Target Photo the ratio of width to height f2=X2/Y2；Sentence
Break the f2With the f1Size；If f2> f1, then the height of original image is cut to Y3=X1/f2Obtain intermediate picture；If f2
< f1, then the width of original image is cut to X3=Y1*f2Intermediate picture is obtained, cutting original image described above obtains target
Picture is to be subject to two central axis equal proportions of the original image to cut the original image two sides.
S104 scales the intermediate picture according to the dimension information of the Target Photo and obtains Target Photo.
In this step, according to the size of the Target Photo and intermediate picture ratio, the intermediate picture is scaled extremely
Target Photo size obtains Target Photo.
For example, obtaining original image dimension information is width X1For 240, high Y1It is 480, the wide X of Target Photo dimension information2For
120, high Y2It is 360, judges that the dimension information of original image and Target Photo is tall and big in width, be all vertical version picture.It calculates
Original image the ratio of width to height f1=X1/Y1=240/480=1/2, Target Photo the ratio of width to height f2=X2/Y2=120/360=1/3, then
f2< f1, original image is subject to perpendicular central axis equal proportion, the width of original image is cut to X3=Y1*f2=480*1/3=
160, i.e. 40 sizes are dismissed in the left and right sides, obtain intermediate picture X3For 160, high Y3It is 480, it is big that intermediate picture is zoomed to 3/4
It is small to obtain Target Photo.
For example, obtaining original image dimension information is width X1For 120, high Y1It is 90, the wide X of Target Photo dimension information2For
80, high Y2It is 40, judges that the dimension information of original image and Target Photo is high less than width, be all horizontal domain piece.It calculates former
Beginning picture the ratio of width to height f1=X1/Y1=120/90=4/3, Target Photo the ratio of width to height f2=X2/Y2=80/40=2, then f2> f1, will
Original image is subject to horizontal central axis equal proportion and the high of original image is cut Y3=X1/f2=120/2=60, i.e., upper and lower two sides
15 sizes are dismissed, intermediate picture X is obtained3For 120, high Y3It is 60, the size that intermediate picture zooms to 2/3 is obtained into target figure
Piece.
S105, if the original image and the Target Photo are not simultaneously horizontal version or vertical version, according to the original graph
The dimension information of piece and the Target Photo scales the original image and obtains intermediate picture；
In this step, the wide ratio f of the wide and described original image of the Target Photo is calculatedw=X2/X1With the target
Picture height and the high ratio f of the original imageh=Y2/Y1；Judge the fwAnd fhSize, if fw< fh, then f is enabled3=fh；
Or, if fw> fh, then f3=fw；The original image is scaled to f3Size obtain intermediate picture, the high Y of intermediate picture3=Y1*f3,
The wide X of intermediate picture3=X1*f3。
S106 cuts the intermediate picture according to the dimension information of the Target Photo and/or original image dimension information
Obtain Target Photo.
In this step in one embodiment, the intermediate picture is cut according to the dimension information of the Target Photo and is obtained
Target Photo；An empty drawing board is drawn, the Target Photo is placed on the drawing board and is cut.If X3=X2, then will
The height of the Target Photo is cut to Y2Obtain intermediate picture；If Y3=Y2, then the width of the Target Photo is cut to X2It obtains
Intermediate picture cuts picture two sides wherein being subject to two central axis equal proportions of picture.
Optionally, obtaining original image dimension information is width X1For 240, high Y1It is 200, the wide X of Target Photo dimension information2
For 40, high Y2It is 80, the high Y of original image1Less than wide X1For horizontal domain piece, the high Y of Target Photo2Greater than wide X2For vertical version picture, meter
Calculate the wide ratio f of the wide and described original image of Target Photow=X2/X1=1/6, calculate Target Photo height and the original image
High ratio fh=Y2/Y1=2/5, fw< fh, enable f3=fh=2/5, horizontal central axis two sides etc. up and down are subject to original image
Scaling is to a height of Y3=Y1*f3=80, equal proportion at left and right sides of perpendicular central axis, which is subject to, to original image zooms to width for X3
=X1*f3=96.Then Y3=Y2, target of being subject to, which erects central axis and each side cuts 28, obtains Target Photo.
In this step in another embodiment, according to the dimension information of the Target Photo and original image size
Information cuts the intermediate picture and obtains Target Photo.An empty drawing board is drawn, the Target Photo is placed into institute
It states and is cut on drawing board.Optional method of cutting out calculates the ratio of width to height f of the Target Photo2=X2/Y2；Calculate the left side cut
Upper angular coordinate is (x, 0), wherein the x=(X1-Y1*f2)/2*f3；The coordinate for calculating the lower right corner cut is (x+X2, y),
Described in y=(Y1-X1/f2)/2*f3；According to top left co-ordinate (x, 0) and bottom right angular coordinate (x+X2, y) and to the intermediate picture
It is cut to obtain Target Photo.
Citing, acquisition original image dimension information are width X1For 240, high Y1It is 200, the wide X of Target Photo dimension information2For
40, high Y2It is 80, the high Y of original image1Less than wide X1For horizontal domain piece, the high Y of Target Photo2Greater than wide X2For vertical version picture, calculate
The wide ratio f of the wide and described original image of Target Photow=X2/X1=1/6, it calculates Target Photo height and the original image is high
Ratio fh=Y2/Y1=2/5, fw< fh, enable f3=fh=2/5, the horizontal central axis ratio such as two sides up and down is subject to original image
Example zooms to a height of Y3=Y1*f3=80, equal proportion at left and right sides of perpendicular central axis, which is subject to, to original image zooms to width for X3=
X1*f3=96.
Further, the ratio of width to height f of the Target Photo is calculated2=X2/Y2=1/2；Calculating the top left co-ordinate cut is
(x, 0), wherein the x=(X1-Y1*f2)/2*f3=28；The coordinate for calculating the lower right corner cut is (x+X2, y), wherein the y
=(Y1-X1/f2)/2*f3=-80；According to top left co-ordinate (28,0) and bottom right angular coordinate (68, -80) to the intermediate picture
It is cut to obtain Target Photo.Wherein drawing board is using the picture upper left corner as origin (0,0).
The method for automatic cutting picture that the embodiment of the present invention provides, the dimension information for obtaining original image are wide
X1, high Y1With the wide X of dimension information of Target Photo2, high Y2；The original image and the mesh are judged according to the dimension information
Piece of marking on a map is horizontal version or vertical version；If the original image and the Target Photo are simultaneously horizontal version or vertical version, according to
The dimension information of original image and the Target Photo cuts the original image and obtains intermediate picture；According to the target figure
The dimension information of piece scales the intermediate picture and obtains Target Photo；Or, if the original image is different with the Target Photo
When scale the original image then according to the dimension information of the original image and the Target Photo and obtain for horizontal version or vertical version
To intermediate picture；The middle graph is cut according to the dimension information of the Target Photo and/or original image dimension information
Piece obtains Target Photo.Original image is cut to obtain intermediate picture, is guaranteed when original image is cut to Target Photo not
It is distorted, is indeformable.
Second aspect, the embodiment of the present invention also provide a kind of device of automatic cutting picture, can be with effective solution figure
Pixel distortion in piece cutting process, it is out of proportion, the problem of loss after the cutting of picture main body.
As shown in Fig. 2, the device for the automatic cutting picture that the embodiment of the present invention provides, comprising:
Module S201 is obtained, the wide X of dimension information of original image is obtained1, high Y1With the wide X of dimension information of Target Photo2、
High Y2；
In this step, picture is cut to original image is cut to Target Photo size, wherein original image and target
Size between picture is not specifically limited, and the size of original image, which can be greater than Target Photo, might be less that target figure
The size of piece.
Judgment module S202, the original image is judged according to the dimension information and the Target Photo be horizontal version or
Vertical version；
In this step, if dimension of picture information is greater than width X as the high Y of dimension of picture information, picture is vertical version, if picture
The high Y of dimension information is less than width X, then picture is vertical version.
Module S203 is cut, if the original image and the Target Photo are simultaneously horizontal version or vertical version, according to
The dimension information of original image and the Target Photo cuts the original image and obtains intermediate picture；
In this step, an empty drawing board is drawn, the original image is placed on the drawing board and is cut.It can
The method of cutting out of choosing calculates the ratio of width to height f of the original image1=X1/Y1, the Target Photo the ratio of width to height f2=X2/Y2；Sentence
Break the f2With the f1Size；If f2> f1, then the height of original image is cut to Y3=X1/f2Obtain intermediate picture；If f2
< f1, then the width of original image is cut to X3=Y1*f2Intermediate picture is obtained, cutting original image described above obtains target
Picture is to be subject to two central axis equal proportions of the original image to cut the original image two sides.
Zoom module S204 scales the intermediate picture according to the dimension information of the Target Photo and obtains Target Photo.
In this step, according to the size of the Target Photo and intermediate picture ratio, the intermediate picture is scaled extremely
Target Photo size obtains Target Photo.
For example, obtaining original image dimension information is width X1For 240, high Y1It is 480, the wide X of Target Photo dimension information2For
120, high Y2It is 360, judges that the dimension information of original image and Target Photo is tall and big in width, be all vertical version picture.It calculates
Original image the ratio of width to height f1=X1/Y1=240/480=1/2, Target Photo the ratio of width to height f2=X2/Y2=120/360=1/3, then
f2< f1, original image is subject to perpendicular central axis equal proportion, the width of original image is cut to X3=Y1*f2=480*1/3=
160, i.e. 40 sizes are dismissed in the left and right sides, obtain intermediate picture X3For 160, high Y3It is 480, it is big that intermediate picture is zoomed to 3/4
It is small to obtain Target Photo.
For example, obtaining original image dimension information is width X1For 120, high Y1It is 90, the wide X of Target Photo dimension information2For
80, high Y2It is 40, judges that the dimension information of original image and Target Photo is high less than width, be all horizontal domain piece.It calculates former
Beginning picture the ratio of width to height f1=X1/Y1=120/90=4/3, Target Photo the ratio of width to height f2=X2/Y2=80/40=2, then f2> f1, will
Original image is subject to horizontal central axis equal proportion and the high of original image is cut Y3=X1/f2=120/2=60, i.e., upper and lower two sides
15 sizes are dismissed, intermediate picture X is obtained3For 120, high Y3It is 60, the size that intermediate picture zooms to 2/3 is obtained into target figure
Piece.
In another embodiment, Zoom module S204, if be used for the original image with the Target Photo difference
It scales the original image then according to the dimension information of the original image and the Target Photo for horizontal version or vertical version and obtains
Intermediate picture；
In this step, the wide ratio f of the wide and described original image of the Target Photo is calculatedw=X2/X1With the target
Picture height and the high ratio f of the original imageh=Y2/Y1；Judge the fwAnd fhSize, if fw< fh, then f is enabled3=fh；
Or, if fw> fh, then f3=fw；The original image is scaled to f3Size obtain intermediate picture, the high Y of intermediate picture3=Y1*f3,
The wide X of intermediate picture3=X1*f3。
Module S203 is cut, for cutting according to the dimension information and/or original image dimension information of the Target Photo
The intermediate picture obtains Target Photo.In this step one embodiment, cut according to the dimension information of the Target Photo
The intermediate picture obtains Target Photo；An empty drawing board is drawn, the Target Photo is placed on the drawing board and is carried out
It cuts.If X3=X2, then the height of the Target Photo is cut to Y2Obtain intermediate picture；If Y3=Y2, then by the target figure
The width of piece is cut to X2Intermediate picture is obtained, picture two sides are cut out wherein being subject to two central axis equal proportions of picture
It cuts.
Optionally, obtaining original image dimension information is width X1For 240, high Y1It is 200, the wide X of Target Photo dimension information2
For 40, high Y2It is 80, the high Y of original image1Less than wide X1For horizontal domain piece, the high Y of Target Photo2Greater than wide X2For vertical version picture, meter
Calculate the wide ratio f of the wide and described original image of Target Photow=X2/X1=1/6, calculate Target Photo height and the original image
High ratio fh=Y2/Y1=2/5, fw< fh, enable f3=fh=2/5, horizontal central axis two sides etc. up and down are subject to original image
Scaling is to a height of Y3=Y1*f3=80, equal proportion at left and right sides of perpendicular central axis, which is subject to, to original image zooms to width for X3
=X1*f3=96.Then Y3=Y2, target of being subject to, which erects central axis and each side cuts 28, obtains Target Photo.
In this step another embodiment, it is also used to the dimension information and original image ruler according to the Target Photo
Very little information cuts the intermediate picture and obtains Target Photo.An empty drawing board is drawn, the Target Photo is placed into
It is cut on the drawing board.Optional method of cutting out calculates the ratio of width to height f of the Target Photo2=X2/Y2；Calculate cutting
Top left co-ordinate is (x, 0), wherein the x=(X1-Y1*f2)/2*f3；The coordinate for calculating the lower right corner cut is (x+X2, y),
Wherein y=(the Y1-X1/f2)/2*f3；According to top left co-ordinate (x, 0) and bottom right angular coordinate (x+X2, y) and to the middle graph
Piece is cut to obtain Target Photo.
Citing, acquisition original image dimension information are width X1For 240, high Y1It is 200, the wide X of Target Photo dimension information2For
40, high Y2It is 80, the high Y of original image1Less than wide X1For horizontal domain piece, the high Y of Target Photo2Greater than wide X2For vertical version picture, calculate
The wide ratio f of the wide and described original image of Target Photow=X2/X1=1/6, it calculates Target Photo height and the original image is high
Ratio fh=Y2/Y1=2/5, fw< fh, enable f3=fh=2/5, the horizontal central axis ratio such as two sides up and down is subject to original image
Example zooms to a height of Y3=Y1*f3=80, equal proportion at left and right sides of perpendicular central axis, which is subject to, to original image zooms to width for X3=
X1*f3=96.
Further, the ratio of width to height f of the Target Photo is calculated2=X2/Y2=1/2；Calculating the top left co-ordinate cut is
(x, 0), wherein the x=(X1-Y1*f2)/2*f3=28；The coordinate for calculating the lower right corner cut is (x+X2, y), wherein the y
=(Y1-X1/f2)/2*f3=-80；According to top left co-ordinate (28,0) and bottom right angular coordinate (68, -80) to the intermediate picture
It is cut to obtain Target Photo.Wherein drawing board is using the picture upper left corner as origin (0,0).
The device for automatic cutting picture that the embodiment of the present invention provides, the dimension information for obtaining original image are wide
X1, high Y1With the wide X of dimension information of Target Photo2, high Y2；The original image and the mesh are judged according to the dimension information
Piece of marking on a map is horizontal version or vertical version；If the original image and the Target Photo are simultaneously horizontal version or vertical version, according to
The dimension information of original image and the Target Photo cuts the original image and obtains intermediate picture；According to the target figure
The dimension information of piece scales the intermediate picture and obtains Target Photo；Or, if the original image is different with the Target Photo
When scale the original image then according to the dimension information of the original image and the Target Photo and obtain for horizontal version or vertical version
To intermediate picture；The middle graph is cut according to the dimension information of the Target Photo and/or original image dimension information
Piece obtains Target Photo.Original image is cut to obtain intermediate picture, is guaranteed when original image is cut to Target Photo not
It is distorted, is indeformable.
The third aspect, the embodiment of the present invention provide a kind of terminal, can be lost with pixel in effective solution picture cutting process
Very, out of proportion, the problem of loss after the cutting of picture main body.
As shown in figure 3, a kind of terminal that the embodiment of the present invention provides, may include: shell 431, processor 32, storage
Device 33, circuit board 34 and power circuit 35, wherein circuit board 34 is placed in the space interior that shell 31 surrounds, 32 He of processor
Memory 33 is arranged on circuit board 34；Power circuit 35, for each circuit or the device power supply for above-mentioned electronic equipment；It deposits
Reservoir 33 is for storing executable program code；Processor 32 by read in memory 33 executable program code that stores come
Program corresponding with executable program code is run, for executing the side described in aforementioned any embodiment for terminal input
Method.
Processor 32 to the specific implementation procedures of above-mentioned steps and processor 32 by operation executable program code come
The step of further executing may refer to the description of previous embodiment, and details are not described herein.
The terminal exists in a variety of forms, including but not limited to:
(1) mobile communication equipment: the characteristics of this kind of equipment is that have mobile communication function, and to provide speech, data
Communication is main target.This Terminal Type includes: smart phone (such as iPhone), multimedia handset, functional mobile phone and low
Hold mobile phone etc..
(2) super mobile personal computer equipment: this kind of equipment belongs to the scope of personal computer, there is calculating and processing function
Can, generally also have mobile Internet access characteristic.This Terminal Type includes: PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device: this kind of equipment can show and play multimedia content.Such equipment include: audio,
Video player (such as iPod), handheld device, e-book and intelligent toy and portable car-mounted navigation equipment.
(4) server: providing the equipment of the service of calculating, and the composition of server includes that processor, hard disk, memory, system are total
Line etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, in processing energy
Power, stability, reliability, safety, scalability, manageability etc. are more demanding.
(5) other electronic equipments with data interaction function.
Fourth aspect, the embodiment of the present invention also provide a kind of computer readable storage medium, described computer-readable to deposit
Storage media is stored with one or more program, and one or more of programs can be executed by one or more processor,
Method to realize any automatic cutting picture of previous embodiment offer, therefore it is also able to achieve corresponding technical effect, it is preceding
Detailed description has been carried out in text, and details are not described herein again.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including one ... ", it is not excluded that
There is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is all made of relevant mode and describes, same and similar portion between each embodiment
Dividing may refer to each other, and each embodiment focuses on the differences from other embodiments.
For Installation practice, since it is substantially similar to the method embodiment, so the comparison of description is simple
Single, the relevent part can refer to the partial explaination of embodiments of method.
For convenience of description, description apparatus above is to be divided into various units/modules with function to describe respectively.Certainly, exist
Implement to realize each unit/module function in the same or multiple software and or hardware when the present invention.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of method of automatic cutting picture, which is characterized in that the described method includes:
Obtain the wide X of dimension information of original image1, high Y1With the wide X of dimension information of Target Photo2, high Y2；
The original image is judged according to the dimension information and the Target Photo is horizontal version or vertical version；If the original graph
Piece and the Target Photo are horizontal version or vertical version simultaneously, then according to the dimension information of the original image and the Target Photo,
It cuts the original image and obtains intermediate picture；
The intermediate picture, which is scaled, according to the dimension information of the Target Photo obtains Target Photo；Or,
If the original image and the Target Photo are not simultaneously horizontal version or vertical version, according to the original image and the mesh
It marks on a map the dimension information of piece, scales the original image and obtain intermediate picture；
The intermediate picture, which is cut, according to the dimension information of the Target Photo and/or original image dimension information obtains target figure
Piece.
2. the method according to claim 1, wherein described judge the original image according to the dimension information
With the Target Photo be horizontal version or vertical version includes:
If the high Y of dimension of picture information is greater than width X, picture is vertical version picture；
If the high Y of dimension of picture information is less than width X, picture is horizontal domain piece.
3. the method according to claim 1, wherein the cutting original image obtains intermediate picture packet
It includes:
An empty drawing board is drawn, the original image is placed on the drawing board and is cut.
4. according to the method described in claim 3, it is characterized in that, the cutting original image obtains intermediate picture packet
It includes:
Calculate the ratio of width to height f of the original image1=X1/Y1, the Target Photo the ratio of width to height f2=X2/Y2；
Judge the f2With the f1Size；
If f2> f1, then the height of original image is cut to Y3=X1/f2Obtain intermediate picture；
If f2< f1, then the width of original image is cut to X3=Y1*f2Obtain intermediate picture.
5. according to the method described in claim 4, it is characterized in that, being scaled in described according to the dimension information of the Target Photo
Between picture obtain Target Photo and include:
According to the size of the Target Photo and intermediate picture ratio, the intermediate picture is scaled to Target Photo size, is obtained
To Target Photo.
6. the method according to claim 1, wherein the scaling original image obtains intermediate picture packet
It includes:
Calculate the wide ratio f of the wide and described original image of the Target Photow=X2/X1With the Target Photo height and the original
The high ratio f of beginning pictureh=Y2/Y1；
Judge the fwAnd fhSize, if fw< fh, then f is enabled3=fh；Or,
If fw> fh, then f is enabled3=fw；
The original image is scaled to f3Size obtain intermediate picture, the high Y of intermediate picture3=Y1*f3, the wide X of intermediate picture3=
X1*f3。
7. according to the method described in claim 6, it is characterized in that, described cut institute according to the dimension information of the Target Photo
It states intermediate picture and obtains Target Photo and include:
An empty drawing board is drawn, the Target Photo is placed on the drawing board and is cut.
8. the method according to the description of claim 7 is characterized in that described cut institute according to the dimension information of the Target Photo
It states intermediate picture and obtains Target Photo further include:
If X3=X2, then the height of the Target Photo is cut to Y2Obtain intermediate picture；
If Y3=Y2, then the width of the Target Photo is cut to X2Obtain intermediate picture.
9. the method according to the description of claim 7 is characterized in that described cut institute according to the dimension information of the Target Photo
It states intermediate picture and obtains Target Photo further include:
Calculate the ratio of width to height f of the Target Photo2=X2/Y2；
Calculating the top left co-ordinate cut is (x, 0), wherein the x=(X1-Y1*f2)/2*f3；
The coordinate for calculating the lower right corner cut is (x+X2, y), wherein the y=(Y1-X1/f2)/2*f3；
According to top left co-ordinate (x, 0) and bottom right angular coordinate (x+X2, y) intermediate picture is cut to obtain Target Photo.
10. any method in -8 according to claim 1, which is characterized in that the cutting includes:
The two central axis equal proportions of picture of being subject to cut picture two sides.
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| CN201811632553.3A CN109727257A (en) | 2018-12-28 | 2018-12-28 | Method, device and terminal for automatically cutting picture |
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