Difference between revisions of "Function:Rotate"

From CUVI Wiki
 
(10 intermediate revisions by the same user not shown)
Line 3: Line 3:
===Function===
===Function===
{|
{|
|style="font-size:150%;"|
|style="font-size:100%;"|
<syntaxhighlight lang="cpp">
<syntaxhighlight lang="cpp">


Line 24: Line 24:
|}
|}


 
====Parameters====
===Parameters===
{|
 
|style="font-size:75%;"|
{|class="wikitable"
{|class="wikitable"
|-
|-
Line 45: Line 45:
| Angle of rotation
| Angle of rotation
|-
|-
| type
| anchor
| const CuviRotationType
| const CuviPoint2D<int>
| Supports:
| Center point of rotation
{|
|-
|CUVI_ROTATE_CENTER
| roi
|-
| const CuviRect&
|CUVI_ROTATE_ORIGIN
| Region of Interest
|}
|-
|-
| stream
| stream
Line 58: Line 57:
| GPU stream ID for execution
| GPU stream ID for execution


|}
|}
|}


 
====Image Type Support====
 
{|
===Image Type Support===
|style="font-size:75%;"|
 
{| class="wikitable"
{| class="wikitable"
|-
|-
Line 86: Line 85:
| 32fC3
| 32fC3
| 32fC3
| 32fC3
|}
|}
|}


===Sample===
===Sample===
[[File:rotate_in.png|none|frame|Input Image]]
<br/>
[[File:rotate_out.png|none|frame|Resultant Image]]
<br/>
====Code Example====
{|
{|
|-
|style="font-size:100%;"|
|[[File:Rotatein.jpg|frame|Input Image]]
<syntaxhighlight lang="cpp">
|[[File:RotateOutput_45deg.jpg|frame|Rotated at 45 degrees about center]]
 
|}
 
CuviImage src, dst;
 
CuviStatus s = CUVI_SUCCESS;
s = src.create(ipath, CUVI_LOAD_IMAGE_COLOR);


if (s != CUVI_SUCCESS) printf("\nImage load Error: %d", s);


//Define point of rotation within image or ROI
CuviPoint2D<int> anchor(200, 0);


===Example===
//Define (optional) ROI
{|
CuviRect roi(50, 100, 200, 150);
|style="font-size:150%;"|
<syntaxhighlight lang="cpp">


CuviImage gimg = cuvi::io::loadImage(path), gout;
//Perform Rotation
s = cuvi::geometryTransforms::rotate(src, dst, 1.44, anchor, roi);


//function call
cuvi::io::saveImage(dst, opath);
cuvi::geometryTransforms::rotate(gimg, gout, 45.0f);


</syntaxhighlight>
</syntaxhighlight>
|}
|}

Latest revision as of 08:20, 18 October 2022

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
anchor const CuviPoint2D<int> Center point of rotation
roi const CuviRect& Region of Interest
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


Resultant Image


Code Example

CuviImage src, dst;

CuviStatus s = CUVI_SUCCESS;
s = src.create(ipath, CUVI_LOAD_IMAGE_COLOR);

if (s != CUVI_SUCCESS)	printf("\nImage load Error: %d", s);

//Define point of rotation within image or ROI
CuviPoint2D<int> anchor(200, 0);

//Define (optional) ROI
CuviRect roi(50, 100, 200, 150);

//Perform Rotation
s = cuvi::geometryTransforms::rotate(src, dst, 1.44, anchor, roi);

cuvi::io::saveImage(dst, opath);
Retrieved from "https://wiki.cuvilib.com/index.php?title=Function:Rotate&oldid=1242"