binexpandlow.c File Reference

Low-level implementation of integer upscaling. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "allheaders.h"

Go to the source code of this file.

Functions
l_int32	expandBinaryPower2Low (l_uint32 *datad, l_int32 wd, l_int32 hd, l_int32 wpld, l_uint32 *datas, l_int32 ws, l_int32 hs, l_int32 wpls, l_int32 factor)
l_uint16 *	makeExpandTab2x (void)
l_uint32 *	makeExpandTab4x (void)
l_uint32 *	makeExpandTab8x (void)
Variables
static l_uint32	expandtab16 []

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Detailed Description

Low-level implementation of integer upscaling.

    Low level power-of-2 binary expansion
            l_int32      expandBinaryPower2Low()

    Expansion tables
            l_uint16    *makeExpandTab2x()
            l_uint32    *makeExpandTab4x()
            l_uint32    *makeExpandTab8x()

Definition in file binexpandlow.c.

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Function Documentation

l_int32 expandBinaryPower2Low	(	l_uint32 *	datad,
		l_int32	wd,
		l_int32	hd,
		l_int32	wpld,
		l_uint32 *	datas,
		l_int32	ws,
		l_int32	hs,
		l_int32	wpls,
		l_int32	factor
	)

expandBinaryPower2Low()

Definition at line 46 of file binexpandlow.c.

References ERROR_INT, expandtab16, FREE, GET_DATA_BYTE, GET_DATA_DIBIT, GET_DATA_QBIT, L_WARNING_INT, makeExpandTab2x(), makeExpandTab4x(), makeExpandTab8x(), NULL, PROCNAME, and SET_DATA_TWO_BYTES.

Referenced by pixExpandBinaryPower2().

l_uint16* makeExpandTab2x

(

void

)

Definition at line 141 of file binexpandlow.c.

References CALLOC, ERROR_PTR, NULL, and PROCNAME.

Referenced by expandBinaryPower2Low().

l_uint32* makeExpandTab4x

(

void

)

Definition at line 175 of file binexpandlow.c.

References CALLOC, ERROR_PTR, NULL, and PROCNAME.

Referenced by expandBinaryPower2Low().

l_uint32* makeExpandTab8x

(

void

)

Definition at line 209 of file binexpandlow.c.

References CALLOC, ERROR_PTR, NULL, and PROCNAME.

Referenced by expandBinaryPower2Low().

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Variable Documentation

l_uint32 expandtab16[] [static]

Initial value:

 {
            0x00000000, 0x0000ffff, 0xffff0000, 0xffffffff}

Definition at line 35 of file binexpandlow.c.

Referenced by expandBinaryPower2Low().