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EasyImage::ScaleRotate

Re-scales an image by an arbitrary factor and/or rotates it by an arbitrary angle.

Namespace: Euresys::Open_eVision_2_6

[C++]

void ScaleRotate(
   EROIBW8* sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   EROIBW8* destinationImage,
   OEV_INT32 interpolationBits
)

void ScaleRotate(
   EROIC24* sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   EROIC24* destinationImage,
   OEV_INT32 interpolationBits
)

void ScaleRotate(
   EROIBW16* sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   EROIBW16* destinationImage,
   OEV_INT32 interpolationBits
)

Parameters

sourceImage

Pointer to the source image/ROI.

sourceImagePivotX

Pivot point abscissa in the source image.

sourceImagePivotY

Pivot point ordinate in the source image.

destinationImagePivotX

Pivot point abscissa in the destination image.

destinationImagePivotY

Pivot point ordinate in the destination image.

scaleX

Scale factor for the abscissas. Its value must be different than 0.0.

scaleY

Scale factor for the ordinates. Its value must be different than 0.0.

rotation

Rotation angle, using the current angle unit.

destinationImage

Pointer to the destination image/ROI. May not be the same as the source image.

interpolationBits

Number of bits of accuracy for interpolation. Allowed values are 0 (no interpolation, nearest neighbor), 4 or 8.

Remarks

For resampling, the nearest neighbor rule or bilinear interpolation with 4 or 8 bits of accuracy is used. The pivot point is a given point in the source image which is mapped to a given point in the destination image. Rotation and scaling are done around the pivot point. Out-of-image-bounds pixels are black.

EasyImage.ScaleRotate

Re-scales an image by an arbitrary factor and/or rotates it by an arbitrary angle.

Namespace: Euresys.Open_eVision_2_6

[C#]

void ScaleRotate(
   Euresys.Open_eVision_2_6.EROIBW8 sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   Euresys.Open_eVision_2_6.EROIBW8 destinationImage,
   int interpolationBits
)

void ScaleRotate(
   Euresys.Open_eVision_2_6.EROIC24 sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   Euresys.Open_eVision_2_6.EROIC24 destinationImage,
   int interpolationBits
)

void ScaleRotate(
   Euresys.Open_eVision_2_6.EROIBW16 sourceImage,
   float sourceImagePivotX,
   float sourceImagePivotY,
   float destinationImagePivotX,
   float destinationImagePivotY,
   float scaleX,
   float scaleY,
   float rotation,
   Euresys.Open_eVision_2_6.EROIBW16 destinationImage,
   int interpolationBits
)

Parameters

sourceImage

Pointer to the source image/ROI.

sourceImagePivotX

Pivot point abscissa in the source image.

sourceImagePivotY

Pivot point ordinate in the source image.

destinationImagePivotX

Pivot point abscissa in the destination image.

destinationImagePivotY

Pivot point ordinate in the destination image.

scaleX

Scale factor for the abscissas. Its value must be different than 0.0.

scaleY

Scale factor for the ordinates. Its value must be different than 0.0.

rotation

Rotation angle, using the current angle unit.

destinationImage

Pointer to the destination image/ROI. May not be the same as the source image.

interpolationBits

Number of bits of accuracy for interpolation. Allowed values are 0 (no interpolation, nearest neighbor), 4 or 8.

Remarks

For resampling, the nearest neighbor rule or bilinear interpolation with 4 or 8 bits of accuracy is used. The pivot point is a given point in the source image which is mapped to a given point in the destination image. Rotation and scaling are done around the pivot point. Out-of-image-bounds pixels are black.

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