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LEADTOOLS MRC C++ Class Library Help

SEGMENTINFO

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typedef struct _SEGMENTINFO
{
   RECT rcSegmentRect;
   L_UINT uSegmentType;
   COLORREF rgbColors[4];
   L_UINT uColorsCount;
} SEGMENTINFO, *LPSEGMENTINFO;

The SEGMENTINFO structure provides information about a segment in PDF Compressor.

Member

Description

rcSegmentRect

RECT structure that contains the dimensions and position of the segment in an image.

uSegmentType

A value that specifies the segment type. Possible values are:

 

Value

Meaning

 

SEGMENT_BACKGROUND

Background segment.

 

SEGMENT_ONEBIT

1-bit per pixel segment.

 

SEGMENT_ONEBITBW

1-bit per pixel black and white segment.

 

SEGMENT_TWOBIT

2-bits per pixel segment.

 

SEGMENT_TWOBITGRAY

2-bits per pixel grayscale segment.

 

SEGMENT_GRAY

Grayscale segment.

 

SEGMENT_PICTURE

Picture segment

 

SEGMENT_TWOBITBW

2-bits per pixel black and white segment

 

SEGMENT_ONECOLOR

The segment has one color.

rgbColors

Array which specifies the colors being used by this segment, which is available only for the following segment types:

SEGMENT_BACKGROUND

SEGMENT_ONEBIT

SEGMENT_ONEBITBW

SEGMENT_TWOBIT

SEGMENT_TWOBITGRAY

SEGMENT_TWOBITBW

SEGMENT_ONECOLOR

uColorsCount

Number of valid colors in the array of colors specified by rgbColors.

Comments

LPSEGMENTINFO is a pointer to a SEGMENTINFO structure. Where the function parameter type is LPSEGMENTINFO, you can declare a SEGMENTINFO variable, update the structure's fields, and pass the variable's address in the parameter. Declaring a LPSEGMENTINFO variable is necessary only if your program requires a pointer.

This structure is used by the following functions:

LPDFCompressor::InsertSegments

LPDFCompressor::ImageCallBack

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