Enumerations | Functions

Logical Arithmetic Operations
[Image Processing]

Collaboration diagram for Logical Arithmetic Operations:

Enumerations

enum  imLogicOp { IM_BIT_AND, IM_BIT_OR, IM_BIT_XOR }

Functions

void imProcessBitwiseOp (const imImage *src_image1, const imImage *src_image2, imImage *dst_image, int op)
void imProcessBitwiseNot (const imImage *src_image, imImage *dst_image)
void imProcessBitMask (const imImage *src_image, imImage *dst_image, unsigned char mask, int op)
void imProcessBitPlane (const imImage *src_image, imImage *dst_image, int plane, int do_reset)

Detailed Description

Logical binary math operations for images.
See im_process_pnt.h

Enumeration Type Documentation

enum imLogicOp

Logical Operations.

Enumerator:
IM_BIT_AND 

and = a & b

IM_BIT_OR 

or = a | b

IM_BIT_XOR 

xor = ~(a | b)


Function Documentation

void imProcessBitwiseOp ( const imImage src_image1,
const imImage src_image2,
imImage dst_image,
int  op 
)

Apply a logical operation.
Images must have data type integer. Can be done in-place.

im.ProcessBitwiseOp(src_image1: imImage, src_image2: imImage, dst_image: imImage, op: number) [in Lua 5] 
im.ProcessBitwiseOpNew(src_image1: imImage, src_image2: imImage, op: number) -> new_image: imImage [in Lua 5] 
void imProcessBitwiseNot ( const imImage src_image,
imImage dst_image 
)

Apply a logical NOT operation.
Images must have data type integer. Can be done in-place.

im.ProcessBitwiseNot(src_image: imImage, dst_image: imImage) [in Lua 5] 
im.ProcessBitwiseNotNew(src_image: imImage) -> new_image: imImage [in Lua 5] 
void imProcessBitMask ( const imImage src_image,
imImage dst_image,
unsigned char  mask,
int  op 
)

Apply a bit mask.
The same as imProcessBitwiseOp but the second image is replaced by a fixed mask.
Images must have data type IM_BYTE. It is valid only for AND, OR and XOR. Can be done in-place.

im.ProcessBitMask(src_image: imImage, dst_image: imImage, mask: string, op: number) [in Lua 5] 
im.ProcessBitMaskNew(src_image: imImage, mask: string, op: number) -> new_image: imImage [in Lua 5] 

In Lua, mask is a string with 0s and 1s, for example: "11001111".

void imProcessBitPlane ( const imImage src_image,
imImage dst_image,
int  plane,
int  do_reset 
)

Extract or Reset a bit plane. For ex: 000X0000 or XXX0XXXX (plane=3).
Images must have data type IM_BYTE. Can be done in-place.

im.ProcessBitPlane(src_image: imImage, dst_image: imImage, plane: number, do_reset: boolean) [in Lua 5] 
im.ProcessBitPlaneNew(src_image: imImage, plane: number, do_reset: boolean) -> new_image: imImage [in Lua 5]