Difference between revisions of "Function:Rotate"

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__NOTOC__
__NOTOC__
Rotates an image about origin (0,0) or center
Rotates an image about a specified anchor point
===Function===
===Function===
{|
{|
|style="font-size:150%;"|
|style="font-size:150%;"|
<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">
CuviStatus rotate(const CuviImage& src,  
 
CuviStatus rotate(const CuviImage& src,
                   CuviImage& dst,
                   CuviImage& dst,
                   const Cuvi32f angle,
                   const Cuvi32f angle,
                   const CuviRotationType type = CUVI_ROTATE_CENTER,
                   const CuviPoint2D<int> anchor,
                   const CuviStream& stream = CuviStream());
                   const CuviStream& stream = CuviStream());
CuviStatus rotate(const CuviImage& src,
                  CuviImage& dst,
                  const Cuvi32f angle,
                  const CuviPoint2D<int> anchor,
                  const CuviRect& roi,
                  const CuviStream& stream = CuviStream());
</syntaxhighlight>
</syntaxhighlight>
|}
|}

Revision as of 16:45, 30 June 2019

Rotates an image about a specified anchor point

Function

CuviStatus rotate(const CuviImage& src,
                  CuviImage& dst,
                  const Cuvi32f angle,
                  const CuviPoint2D<int> anchor,
                  const CuviStream& stream = CuviStream());

CuviStatus rotate(const CuviImage& src,
                  CuviImage& dst,
                  const Cuvi32f angle,
                  const CuviPoint2D<int> anchor,
                  const CuviRect& roi,
                  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

Error creating thumbnail: Unable to save thumbnail to destination
Input Image
Error creating thumbnail: Unable to save thumbnail to destination
Rotated at 45 degrees about center


Example

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

//function call
cuvi::geometryTransforms::rotate(gimg, gout, 45.0f);