tif_extension.c File Reference

#include "tiffiop.h"

Include dependency graph for tif_extension.c:

Go to the source code of this file.

Functions
int	TIFFGetTagListCount (TIFF *tif)
uint32_t	TIFFGetTagListEntry (TIFF *tif, int tag_index)
TIFFTagMethods *	TIFFAccessTagMethods (TIFF *tif)
void *	TIFFGetClientInfo (TIFF *tif, const char *name)
void	TIFFSetClientInfo (TIFF *tif, void *data, const char *name)

Function Documentation

TIFFAccessTagMethods()

TIFFTagMethods * TIFFAccessTagMethods

(

TIFF *

tif

)

Definition at line 58 of file tif_extension.c.

{
    return &(tif->tif_tagmethods);
}

TIFFGetClientInfo()

void * TIFFGetClientInfo	(	TIFF *	tif,
		const char *	name
	)

Definition at line 64 of file tif_extension.c.

{
    TIFFClientInfoLink *psLink = tif->tif_clientinfo;
 
    while (psLink != NULL && strcmp(psLink->name, name) != 0)
        psLink = psLink->next;
 
    if (psLink != NULL)
        return psLink->data;
    else
        return NULL;
}

TIFFGetTagListCount()

int TIFFGetTagListCount

(

TIFF *

tif

)

Definition at line 34 of file tif_extension.c.

{
    TIFFDirectory *td = &tif->tif_dir;
 
    return td->td_customValueCount;
}

Referenced by TIFFPrintDirectory().

TIFFGetTagListEntry()

uint32_t TIFFGetTagListEntry	(	TIFF *	tif,
		int	tag_index
	)

Definition at line 42 of file tif_extension.c.

{
    TIFFDirectory *td = &tif->tif_dir;
 
    if (tag_index < 0 || tag_index >= td->td_customValueCount)
        return (uint32_t)(-1);
    else
        return td->td_customValues[tag_index].info->field_tag;
}

Referenced by TIFFPrintDirectory().

TIFFSetClientInfo()

void TIFFSetClientInfo	(	TIFF *	tif,
		void *	data,
		const char *	name
	)

Definition at line 78 of file tif_extension.c.

{
    TIFFClientInfoLink *psLink = tif->tif_clientinfo;
 
    /*
    ** Do we have an existing link with this name?  If so, just
    ** set it.
    */
    while (psLink != NULL && strcmp(psLink->name, name) != 0)
        psLink = psLink->next;
 
    if (psLink != NULL)
    {
        psLink->data = data;
        return;
    }
 
    /*
    ** Create a new link.
    */
 
    psLink =
        (TIFFClientInfoLink *)_TIFFmallocExt(tif, sizeof(TIFFClientInfoLink));
    assert(psLink != NULL);
    psLink->next = tif->tif_clientinfo;
    psLink->name = (char *)_TIFFmallocExt(tif, (tmsize_t)(strlen(name) + 1));
    assert(psLink->name != NULL);
    strcpy(psLink->name, name);
    psLink->data = data;
 
    tif->tif_clientinfo = psLink;
}