Difference between revisions of "Function:Rotate"

From CUVI Wiki
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|style="font-size:150%;"|
|style="font-size:150%;"|
<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">
CuviStatus rotate(CuviImage* srcImage,  
CuviStatus rotate(const CuviImage& src,  
                   CuviImage* dstImage,
                   CuviImage& dst,
                   Cuvi32f angle,
                   const Cuvi32f angle,
                   CuviRotationType type = CUVI_ROTATE_CENTER,
                   const CuviRotationType type = CUVI_ROTATE_CENTER,
                   CuviStream* stream = NULL);
                   const CuviStream& stream = CuviStream());
</syntaxhighlight>
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! Description
! Description
|-
|-
| srcImage
| src
| CuviImage*
| const CuviImage&
| Input image
| Input image
|-
|-
| dstImage
| dst
| CuviImage*
| CuviImage&
| Output image
| Output image
|-
|-
| angle
| angle
| Cuvi32f
| const Cuvi32f
| Angle of rotation
| Angle of rotation
|-
|-
| type  
| type  
| CuviRotationType
| const CuviRotationType
| Supports:  
| Supports:  
{|
{|
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|-
|-
| stream
| stream
| CuviStream*
| const CuviStream&
| GPU stream ID for execution
| GPU stream ID for execution


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| 8uC3
| 8uC3
| 8uC3
| 8uC3
|-
| 16uC1
| 16uC1
|-
| 16uC3
| 16uC3
|-
| 32fC1
| 32fC1
|-
| 32fC3
| 32fC3
|}
|}


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<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">


CuviImage* gimg = new CuviImage(size,img->depth,img->nChannels);
CuviImage gimg = cuvi::io::loadImage(path), gout;
CuviImage* gout = new CuviImage(size,img->depth,img->nChannels);
 
//Populating GPU input image
gimg->upload(img->imageData,img->widthStep);
 


//function call
//function call

Revision as of 09:15, 19 April 2013

Rotates an image about origin (0,0) or center

Function

CuviStatus rotate(const CuviImage& src, 
                  CuviImage& dst,
                  const Cuvi32f angle,
                  const CuviRotationType type = CUVI_ROTATE_CENTER,
                  const CuviStream& stream = CuviStream());


Parameters

Name Type Description
src const CuviImage& Input image
dst CuviImage& Output image
angle const Cuvi32f Angle of rotation
type const CuviRotationType Supports:
CUVI_ROTATE_CENTER
CUVI_ROTATE_ORIGIN
stream const CuviStream& GPU stream ID for execution


Image Type Support

Input Output
8uC1 8uC1
8uC3 8uC3
16uC1 16uC1
16uC3 16uC3
32fC1 32fC1
32fC3 32fC3

Sample

Input Image
Rotated at 45 degrees about center


Example

CuviImage gimg = cuvi::io::loadImage(path), gout;

//function call
cuvi::geometryTransforms::rotate(gimg, gout, 45.0f);
Retrieved from "https://wiki.cuvilib.com/index.php?title=Function:Rotate&oldid=677"