CN102855604A - Nine-grid frame drawing method and device and nine-grid frame rotating method and device - Google Patents
Nine-grid frame drawing method and device and nine-grid frame rotating method and device Download PDFInfo
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Abstract
The invention is suitable for the field of multimedia application, and provides a nine-grid frame drawing method, a nine-grid frame drawing device, a nine-grid frame rotating method and a nine-grid frame rotating device based on a drawn nine-grid frame. The nine-grid frame drawing method comprises the steps of loading icons of the nine-grid frame and peaks of a background, and setting a projection mode of the nine-grid frame into perspective projection; and respectively drawing the background and the icons of the perspective projection by adopting different textures. According to the embodiment, the nine-grid frame is drawn by a adopting method of mixing multiple textures; if the icons in the nine-grid frame are changed, only the changed icons are required to be replaced, and the whole nine-grid frame is not required to be replaced; and the drawing efficiency of the nine-grid frame is guaranteed.
Description
Technical field
The invention belongs to the multimedia application field, relate in particular to a kind of nine grids method for drafting, device and nine grids spinning solution, device.
Background technology
Traditional nine grids implementation is will this picture to be generated the texture of nine grids behind nine icons and the synthetic pictures of Background dynamically with program again.Therefore, must be again when one of them icon changes that 9 icons and background is synthetic new picture also regenerates the texture of all icons and background, so that the treatment effeciency that icon changes is very low.When each change nine grids, need to again obtain the image file of 9 icons and decode, and 9 icons are synthesized on the pictures, if not of uniform size the causing of 9 pictures of obtaining, also need picture itself is stretched or scaling, take too much CPU, memory source.In addition, traditional nine grids implementation can't be revised the display effect of each icon dynamically.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of nine grids method for drafting, device and nine grids spinning solution, device, is intended to solve existing nine grids implementation so that when need changing in the nine grids icon, the problem that treatment effeciency is excessively low.
The embodiment of the invention is achieved in that a kind of nine grids method for drafting, and described method comprises:
Load the summit of each icon of nine grids and background, and the projection mode of described nine grids is set to perspective projection;
Adopt different textures to draw respectively background and each icon of described nine grids.
Another purpose of the embodiment of the invention is to provide a kind of nine grids drawing apparatus, and described device comprises:
Nine grids initial setting up unit, for the summit that loads each icon of nine grids and background, and the projection mode of described nine grids is set to perspective projection;
The nine grids drawing unit is used for adopting different textures to draw respectively background and each icon of described nine grids.
In embodiments of the present invention, because the mode that has adopted multitexture to mix realizes the drafting of nine grids, if variation has occured the icon in the nine grids, then only need to replace the icon that changes, do not need to replace whole nine grids, guaranteed the drafting efficient of nine grids.
Another purpose of the embodiment of the invention is to provide a kind of nine grids spinning solution based on painting nine grids, and described method comprises:
When receiving the nine grids rotate instruction, described nine grids are converted to the 3D nine grids, and change projection mode into parallel projection by perspective projection, described 3D nine grids comprise the described nine grids in two sides;
The rotation parameter of described 3D nine grids is set, makes described 3D nine grids around the axle rotation of setting.
Another purpose of the embodiment of the invention is to provide a kind of nine grids whirligig based on painting nine grids, and described device comprises:
The nine grids converting unit when being used for receiving the nine grids rotate instruction, is converted to the 3D nine grids with described nine grids, and described 3D nine grids comprise the described nine grids in two sides;
The projection mode converting unit is used for changing projection mode into parallel projection by perspective projection;
The nine grids rotary unit for the rotation parameter that described 3D nine grids are set, makes described 3D nine grids around default axle rotation.
In embodiments of the present invention, mode by parallel projection realizes the 3D nine grids, the nine grids of 3D have not only been realized, nine grids can also be rotated around default axle, and because the visual angle of eyes is different, cause the side of seeing two-sided 3D nine grids to be empty problem when having avoided adopting the perspective projection mode; If all draw nine grids two sides when also having avoided employing perspective projection mode, then can be owing to the reduction that increases summit quantity and cause frame per second, and the inaesthetic problem of nine grids icon seen of side.
Description of drawings
Fig. 1 is the process flow diagram of a kind of nine grids method for drafting the first embodiment provided by the invention;
Fig. 2 is the process flow diagram of a kind of preferred nine grids method for drafting the second embodiment provided by the invention;
Fig. 3 is the process flow diagram of a kind of nine grids spinning solution of realizing of a kind of nine grids of drawing based on embodiment one or embodiment two provided by the invention;
Fig. 4 is the structural representation of a kind of preferred nine grids drawing apparatus the 4th embodiment provided by the invention;
Fig. 5 is the structural representation of preferred nine grids drawing apparatus the 5th embodiment provided by the invention;
Fig. 6 is the nine grids drawing apparatus structural representation of a kind of nine grids of drawing based on embodiment four or embodiment five of providing of sixth embodiment of the invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
For technical solutions according to the invention are described, describe below by specific embodiment.
Embodiment one:
Be illustrated in figure 1 as the process flow diagram of a kind of preferred nine grids method for drafting that first embodiment of the invention provides, for convenience of explanation, only show the part relevant with the embodiment of the invention.
In step S101, load the summit of each icon of nine grids and background, and the projection mode of nine grids is set to perspective projection.
In embodiments of the present invention, nine icons of nine grids and the apex coordinate of background are loaded on internal memory, wherein, each figure indicates four summits, and background also has four summits, loads altogether 40 apex coordinates to internal memory.And the projection mode of the parameters nine grids by perspective projection is set in the perspective projection function is set to perspective projection, wherein, the method that the projection mode of nine grids is set to perspective projection does not limit at this, and the perspective projection function of use is different, and the parameter of relative set is also different.Because in computer graphical, the acquiescence projection mode of 3D figure is perspective projection, thus this first the projection mode of nine grids be set to perspective projection.
For example: if use following function setup projection mode to be perspective projection
Void?gluPerspective(GLdouble?fovy，GLdouble?aspect，GLdouble?zNear,GLdouble?zFar);
Then need to obtain four parameter: fovy, aspect, zNear and zFar.Wherein, the parameter f ovy definition visual field is in the angle on X-Z plane, and scope is [0.0,180.0]; Parameter aspect is projection plane width and ratio highly; Parameter zNear and Far are respectively far and near cutting faces to the distance of eyes, they always be on the occasion of.
In embodiments of the present invention, both can load first the summit of each icon of nine grids and background, also the projection mode of nine grids is set to perspective projection first, and its order is unrestricted.
In step S102, adopt different textures to draw respectively background and each icon of nine grids.
In embodiments of the present invention, after the summit of nine grids loaded and nine grids projection mode set, nine icons and the background picture of nine grids are generated respectively different textures, namely generate 10 textures, then drawn respectively background and each icon of nine grids by these 10 different textures.Wherein, in the process of drawing nine grids, first rendering context texture, and at the drawn rear hybrid parameter that texture is set of background texture, adopt the mode of multitexture mixing, on background texture, draw successively the texture of each icon.Generally speaking, adopt a kind of independent color as the background of nine grids, then with the picture of each icon respectively as the texture of corresponding icon, if this moment, variation occured in icon, then only need to replace texture corresponding to icon that changes, do not need to replace whole nine grids, guaranteed the drafting efficient of nine grids.
In embodiments of the present invention, because the mode that has adopted multitexture to mix realizes the drafting of nine grids, if variation has occured the icon in the nine grids, then only need to replace the icon that changes, do not need to replace whole nine grids, guaranteed the drafting efficient of nine grids.
Embodiment two:
Because existing nine grids can not be revised the display effect of each icon dynamically.The process flow diagram of the implementation method of a kind of preferred nine grids of the nine grids of drawing based on embodiment one that therefore are illustrated in figure 2 as that second embodiment of the invention provides for convenience of explanation, only shows the part relevant with the embodiment of the invention.
Behind step S101 and step S102 as described in Figure 1, the implementation method of the preferred nine grids that second embodiment of the invention provides also comprises the steps:
In step S201, judge that what receive is that icon is lighted instruction or the instruction of icon gray scale, if icon is lighted then execution in step S202 of instruction, if icon gray scale instruction execution in step S203 then.
In step S202, the icon of default highlighted masking-out picture and icon being lighted the instruction appointment mixes texture of generation, and this texture is drawn in the nine grids icon lights on the icon of instruction appointment.
In step S203, default grey masking-out picture is mixed texture of generation with the icon of icon gray scale instruction appointment, and this texture is drawn on the icon of icon gray scale instruction appointment in the nine grids.
In embodiments of the present invention, in order to realize separately the display effect of dynamic highlighted or gray scale to each icon in the nine grids, made in advance a secondary highlighted masking-out picture and a secondary grey masking-out picture, wherein, highlighted masking-out picture is consistent with grey masking-out picture and icon sizes.
When the icon that receives user's input is lighted instruction, the icon of lighting the instruction appointment by highlighted masking-out picture that hybrid parameter will make in advance and icon are set mixes and generates a texture, and this texture is drawn on icon described in the nine grids lights on the icon of instruction appointment, make this icon present highlighted demonstration.
When receiving the icon gray scale instruction of user's input, mix with the icon of icon gray scale instruction appointment and generate a texture by grey masking-out picture that hybrid parameter will make in advance is set, and this texture is drawn on the icon of the gray scale of icon described in nine grids instruction appointment, make this icon present gray scale and show.
In embodiments of the present invention, because icon is highlighted or the switching of grey, need to calculate with the semi-transparent mixing of alpha, if adopt CPU to calculate, then need to take a large amount of CPU, mix so adopt GPU to calculate multitexture herein.
For prior art, because nine grids are an integral body, if need to realize grey demonstration or the highlighted demonstration of one of them icon, all need to repaint whole nine grids, can't high efficiencyly realize, be not that very powerful equipment can't be realized especially for the hardware computing power especially.And in embodiments of the present invention, because each icons of nine grids all is to adopt different textures to draw, thereby can be each icon and mix separately highlighted masking-out picture or grey masking-out picture, thereby separately each icon is carried out highlighted demonstration or grey shows, realize simple, efficient.
Embodiment three:
The process flow diagram of a kind of nine grids spinning solution that the nine grids of drawing based on embodiment one or embodiment two that are illustrated in figure 3 as that third embodiment of the invention provides realize for convenience of explanation, only shows the part relevant with the embodiment of the invention.
In step S301, when receiving the nine grids rotate instruction, nine grids are converted to the 3D nine grids.
In embodiments of the present invention, when receiving the nine grids rotate instruction that the user sends, the drafting 3 D nine grids, the nine grids of the single face that above-described embodiment one or embodiment two are drawn replace with the 3D nine grids.Wherein, these 3D nine grids comprise front and two sides, bottom surface nine grids, and every nine grids are all identical with the single face nine grids of drafting among embodiment one or the embodiment two, and each icon and background are drawn respectively by different textures.The nine grids rotate instruction can be rested on mouse on the nine grids by the user and start.
Wherein, the nine grids of single face are replaced with the process of 3D nine grids as follows:
Load the summit of each icon and background in the 3D nine grids, the thereupon background of each nine grids face and each icon in the drafting 3 D nine grids,
In step S302, change projection mode into parallel projection by perspective projection.
In embodiments of the present invention, if owing to adopting the mode of perspective projection during the drafting 3 D nine grids, can because the visual angle of eyes is different, see that the side of two-sided 3D nine grids is for empty; And if all draw nine grids two sides, then can cause the reduction of frame per second owing to increasing summit quantity, and the nine grids icon that arrives from the side is not attractive in appearance.Therefore, projection mode is replaced with the drafting of adopting article size can not realize along with the parallel projection that Z-direction changes the 3D nine grids.
In embodiments of the present invention, for the size and location that keep nine grids constant, then need calculate the parameter of parallel projection under the perspective projection pattern, parameter and the corresponding parallel projection function projection mode according to the parallel projection that calculates is set to parallel projection again.
The below to be to arrange first a parallel projection matrix, and then projection mode is set is that the method for parallel projection illustrates the process of calculating parallel projection parameter under the perspective projection pattern by loading this parallel projection matrix.
For example:
According to above-mentioned matrix as can be known, the value that needs to obtain is Xmax-Xmin, Ymax-Ymin, Zfront and Zback, and wherein, Zfront and Zback are constant, Zfront=1.0, Zback=10000.0.
The method of value of then obtaining Xmax-Xmin and Ymax-Ymin under the perspective projection pattern is as follows:
Obtain first the position of current nine grids: Position1; Obtain wide (w), high (h) and the ratio of width to height aspec=w/h of perspective projection viewport; Obtain again the locus of current camera: CameraPostion, camera towards LookAt, be positioned at directly over the camera vector perpendicular to sight line: UP, the wide of the viewport under the perspective projection pattern be Width, the height of viewport is Hight.
Then, pass through matrix
Volume coordinate under the perspective projection pattern is changed to visual coordinate system, i.e. nine grids position Position2=V*Position1 in the visual coordinate system.
Wherein, n=CameraPostion – LookAt; U=UP * n; V=n * u.(dx, dy, dz)=(eye*u ,-eye*v ,-eye*n), eye is the position at eyes place.
With after the space coordinate conversion of position under the perspective projection pattern of nine grids is to the visual coordinate, also need determine apart from ZNear by Z direction value Position.Z and predefined what comes into a driver's body hither plane in the visual coordinate system height of the wide and viewport of stereoscopic mouthful of under parallel projection pattern what comes into a driver's.
Then: the high ViewPortorth.Hight=ViewPort.Hight* (Position.Z-Znear) that what comes into a driver's is stereoscopic mouthful/Znear*Radio, wherein, adjustment factor Radio arranges according to the actual requirements, and this example gets 0.00225;
The wide ViewPortorth.Width=aspec*ViewPortorth.Hight that what comes into a driver's is stereoscopic mouthful.
Then finally can get:
Xmax-Xmin=ViewPortorth.Width；
Ymax-Ymin=ViewPortorth.Hight。
Therefore, just the parallel projection matrix can be set according to the value of parameter X max-Xmin and Ymax-Ymin, be parallel projection by loading described parallel projection arranged in matrix projection mode.
The rotation parameter of described 3D nine grids is set, makes described 3D nine grids around the axle rotation of setting.
In step S303, the rotation parameter of 3D nine grids is set, make the 3D nine grids around default axle rotation.
In embodiments of the present invention, by the value of rotation parameter is set in the relative coordinate system of 3D nine grids, make the 3D nine grids around the axle rotation of setting.As: can be by a rotation parameter matrix be set, then the relative coordinate system with this rotation matrix and 3D nine grids multiplies each other so that the 3D nine grids are rotated around the axle of setting.
In embodiments of the present invention, mode by parallel projection realizes the 3D nine grids, the nine grids of 3D have not only been realized, nine grids can also be rotated around default axle, and because the visual angle of eyes is different, cause the side of seeing two-sided 3D nine grids to be empty problem when having avoided adopting the perspective projection mode; If all draw nine grids two sides when also having avoided employing perspective projection mode, then can be owing to the reduction that increases summit quantity and cause frame per second, and the inaesthetic problem of nine grids icon seen of side.
Embodiment four:
Fig. 4 for convenience of explanation, only shows the part relevant with the embodiment of the invention for a kind of nine grids drawing apparatus structural representation that fourth embodiment of the invention provides.This device can be to be built in the unit that software unit, hardware cell or software and hardware in the smart machines such as smart mobile phone, intelligent TV set combine, and perhaps is integrated in the application system of these smart machines or smart machine as suspension member independently.Wherein:
Nine grids initial setting up unit 41, for the summit that loads each icon of nine grids and background, and the projection mode of nine grids is set to perspective projection.
Nine grids drawing unit 42 is used for adopting different textures to draw respectively background and each icon of nine grids.
In embodiments of the present invention, because the mode that has adopted multitexture to mix realizes the drafting of nine grids, if variation has occured the icon in the nine grids, then only need to replace the icon that changes, do not need to replace whole nine grids, guaranteed the drafting efficient of nine grids.
Embodiment five:
Fig. 5 for convenience of explanation, only shows the part relevant with the embodiment of the invention for a kind of preferred nine grids drawing apparatus structural representation that fifth embodiment of the invention provides.This device can be to be built in the unit that software unit, hardware cell or software and hardware in the smart machines such as smart mobile phone, intelligent TV set combine, and perhaps is integrated in the application system of these smart machines or smart machine as suspension member independently.Wherein:
Nine grids initial setting up unit 41, for the summit that loads each icon of nine grids and background, and the projection mode of nine grids is set to perspective projection.
Nine grids drawing unit 42 is used for adopting different textures to draw respectively background and each icon of nine grids.
Highlighted setting unit 51 is used for when receiving icon and light instruction, and the icon of default highlighted masking-out picture and icon being lighted the instruction appointment mixes texture of generation, and this texture is drawn in the nine grids icon lights on the icon of instruction appointment.
Gray scale setting unit 52 is used for when receiving the instruction of icon gray scale, default grey masking-out picture is mixed generating a texture with the icon of icon gray scale instruction appointment, and this texture is drawn on the icon of icon gray scale instruction appointment in the nine grids.
In embodiments of the present invention, because each icons of nine grids all is to adopt different textures to draw, thereby can be each icon and mix separately highlighted masking-out picture or grey masking-out picture, thereby separately each icon is carried out highlighted demonstration or grey shows, realize simple, efficient.
Embodiment six:
The nine grids drawing apparatus structural representation of a kind of nine grids of drawing based on embodiment four or embodiment five that Fig. 6 provides for sixth embodiment of the invention for convenience of explanation, only shows the part relevant with the embodiment of the invention.This device can be to be built in the unit that software unit, hardware cell or software and hardware in the smart machines such as smart mobile phone, intelligent TV set combine, and perhaps is integrated in the application system of these smart machines or smart machine as suspension member independently.Wherein:
Nine grids converting unit 61 when being used for receiving the nine grids rotate instruction, is converted to the 3D nine grids with nine grids.
In embodiments of the present invention, the 3D nine grids comprise front and two sides, bottom surface nine grids, and every nine grids are all identical with the single face nine grids of drafting among embodiment four or the embodiment five, and each icon and background are drawn respectively by different textures.
Projection mode converting unit 62 is used for changing projection mode into parallel projection by perspective projection.
In embodiments of the present invention, described projection mode converting unit 62 comprises two subelements, wherein:
Parallel projection setting unit 622 is used for being set to parallel projection according to the parameter projection mode of described parallel projection.
Nine grids rotary unit 63 for the rotation parameter that the 3D nine grids are set, makes the 3D nine grids around default axle rotation.
In embodiments of the present invention, mode by parallel projection realizes the 3D nine grids, the nine grids of 3D have not only been realized, nine grids can also be rotated around default axle, and because the visual angle of eyes is different, cause the side of seeing two-sided 3D nine grids to be empty problem when having avoided adopting the perspective projection mode; If all draw nine grids two sides when also having avoided employing perspective projection mode, then can be owing to the reduction that increases summit quantity and cause frame per second, and the inaesthetic problem of nine grids icon seen of side.
One of ordinary skill in the art will appreciate that, realize that all or part of step in above-described embodiment method is to come the relevant hardware of instruction to finish by program, described program can be in being stored in a computer read/write memory medium, described storage medium is such as ROM/RAM, disk, CD etc.
The above only is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a nine grids method for drafting is characterized in that, described method comprises:
Load the summit of each icon of nine grids and background, and the projection mode of described nine grids is set to perspective projection;
Adopt different textures to draw respectively background and each icon of described nine grids.
2. the method for claim 1 is characterized in that, the different texture of described employing is drawn respectively after the step of the background of nine grids and each icon, also comprises:
When receiving icon and light instruction, the icon of default highlighted masking-out picture and described icon being lighted the instruction appointment mixes texture of generation, and this texture is drawn on icon described in the described nine grids lights on the icon of instruction appointment;
When receiving the instruction of icon gray scale, default grey masking-out picture is mixed texture of generation with the icon of described icon gray scale instruction appointment, and this texture is drawn on the icon of the instruction of icon gray scale described in described nine grids appointment.
3. the nine grids spinning solution based on claim 1 or 2 described nine grids is characterized in that, described method comprises:
When receiving the nine grids rotate instruction, described nine grids are converted to the 3D nine grids, and change projection mode into parallel projection by perspective projection, described 3D nine grids comprise the described nine grids in two sides;
The rotation parameter of described 3D nine grids is set, makes described 3D nine grids around the axle rotation of setting.
4. method as claimed in claim 3 is characterized in that, describedly changes projection mode into parallel projection by perspective projection and comprises:
The parameter of calculating parallel projection under the perspective projection pattern;
Parameter projection mode according to described parallel projection is set to parallel projection.
5. method as claimed in claim 3 is characterized in that, described 3D nine grids comprise front and two sides, bottom surface nine grids, and each icon and the background of every one side nine grids are drawn respectively by different textures.
6. a nine grids drawing apparatus is characterized in that, described device comprises:
Nine grids initial setting up unit, for the summit that loads each icon of nine grids and background, and the projection mode of described nine grids is set to perspective projection;
The nine grids drawing unit is used for adopting different textures to draw respectively background and each icon of described nine grids.
7. device as claimed in claim 6 is characterized in that, described device also comprises:
Highlighted setting unit, be used for when receiving icon and light instruction, the icon of default highlighted masking-out picture and described icon being lighted the instruction appointment mixes texture of generation, and this texture is drawn on icon described in the described nine grids lights on the icon of instruction appointment;
The gray scale setting unit, be used for when receiving the instruction of icon gray scale, default grey masking-out picture is mixed texture of generation with the icon of described icon gray scale instruction appointment, and this texture is drawn on the icon of the instruction of icon gray scale described in described nine grids appointment.
8. the nine grids whirligig based on claim 6 or 7 described nine grids is characterized in that, described device comprises:
The nine grids converting unit when being used for receiving the nine grids rotate instruction, is converted to the 3D nine grids with described nine grids, and described 3D nine grids comprise the described nine grids in two sides;
The projection mode converting unit is used for changing projection mode into parallel projection by perspective projection;
The nine grids rotary unit for the rotation parameter that described 3D nine grids are set, makes described 3D nine grids around default axle rotation.
9. device as claimed in claim 8 is characterized in that, described projection mode converting unit comprises:
Parameter calculation unit is for the parameter of calculating parallel projection under the perspective projection pattern;
The parallel projection setting unit is used for being set to parallel projection according to the parameter projection mode of described parallel projection.
10. device as claimed in claim 8 is characterized in that, described 3D nine grids comprise front and two sides, bottom surface nine grids, and each icon and the background of every one side nine grids are drawn respectively by different textures.
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| CN102855604B (en) | 2016-08-31 |
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