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Difference between revisions of "IPTC"

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  GFL_BOOL <b>gflBitmapHasIPTC</b>(
  GFL_BOOL <b>gflBitmapHasIPTC</b>(
   GFL_BITMAP* bitmap
   const GFL_BITMAP* bitmap
  );
  );


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'''See also'''
'''See also'''
:[[EXIF#gflBitmapHasEXIF|gflBitmapHasEXIF]], [[#gflBitmapGetIPTC|gflBitmapGetIPTC]], [[#gflLoadIPTC|gflLoadIPTC]], [[#gflBitmapGetIPTC|gflBitmapGetIPTC]]
:[[EXIF#gflBitmapHasEXIF|gflBitmapHasEXIF]], [[#gflBitmapGetIPTC|gflBitmapGetIPTC]], [[#gflLoadIPTC|gflLoadIPTC]], [[#gflBitmapGetIPTC|gflBitmapGetIPTC]]


== gflBitmapGetIPTC ==
== gflBitmapGetIPTC ==

Revision as of 14:42, 23 September 2009

gflBitmapHasIPTC

The gflBitmapHasIPTC function is used to know if the picture has IPTC metadata.

GFL_BOOL gflBitmapHasIPTC(
  const GFL_BITMAP* bitmap
);

Parameters

bitmap
Pointer to a GFL_BITMAP structure.
comment
Pointer to a null-terminated string that contains the comment.

Return value

The function returns GFL_TRUE if the bitmap has IPTC metadata.

See also

gflBitmapHasEXIF, gflBitmapGetIPTC, gflLoadIPTC, gflBitmapGetIPTC

gflBitmapGetIPTC

The gflBitmapGetIPTC function returns IPTC metadata in a readable form.

GFL_IPTC_DATA* gflBitmapGetIPTC(
  GFL_BITMAP* bitmap
);

Parameters

bitmap
Pointer to a GFL_BITMAP structure.

Return value

The function returns a pointer to a GFL_IPTC_DATA structure.

See also

gflBitmapHasIPTC, gflBitmapSetIPTC, gflFreeIPTC, gflSetIPTCValue, gflRemoveIPTCValue


gflNewIPTC

The gflNewIPTC function returns IPTC metadata in a readable form.

GFL_IPTC_DATA* gflNewIPTC(
  void
);

Return value

The function returns a pointer to a GFL_IPTC_DATA structure.

See also

gflBitmapHasIPTC, gflFreeIPTC, gflSetIPTCValue, gflRemoveIPTCValue


gflFreeIPTC

The gflFreeIPTC function frees memory allocated by gflBitmapGetIPTC function.

void gflFreeIPTC(
  GFL_IPTC_DATA* iptc_data
);

Parameters

iptc_data
Pointer to a GFL_IPTC_DATA structure.

See also

gflBitmapGetIPTC, gflLoadIPTC


gflSetIPTCValue

The gflSetIPTCValue function set an IPTC value.

GFL_ERROR gflSetIPTCValue(
  GFL_IPTC_DATA* iptc_data,  
  GFL_UINT32 id,  
  const char* value
);

Parameters

iptc_data
Pointer to a GFL_IPTC_DATA structure.
id
IPTC id to change.
value
Pointer to a null-terminated string that contains the new value.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflBitmapGetIPTC, gflNewIPTC, gflRemoveIPTCValue


gflRemoveIPTCValue

The gflRemoveIPTCValue function remove an IPTC value.

GFL_IPTC_DATA* gflRemoveIPTCValue(
  GFL_IPTC_DATA* iptc_data,  
  GFL_UINT32 id
);

Parameters

iptc_data
Pointer to a GFL_IPTC_DATA structure.
id
IPTC id to remove.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflBitmapGetIPTC, gflNewIPTC, gflSetIPTCValue


gflLoadIPTC

The gflLoadIPTC allows to load IPTC data from a picture file, without loading it.

GFL_IPTC_DATA* gflLoadIPTC(
  const char*  filename,  
);

Parameters

filename
Pointer to a null-terminated string that contains the filename to extract IPTC. Must be a JPEG file.

Return value

The function returns a pointer to a GFL_IPTC_DATA structure.

See also

gflSaveIPTC, gflSetIPTCValue, gflRemoveIPTCValue, gflFreeIPTC


gflSaveIPTC

The gflSaveIPTC allows to save IPTC data into a picture file, without loading it.

GFL_ERROR gflSaveIPTC(
  const char*  filename,  
  const GFL_IPTC_DATA* iptc_data,  
);

Parameters

filename
Pointer to a null-terminated string that contains the filename to save. Must be a JPEG file.
iptc_data
Pointer to a GFL_IPTC_DATA structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflLoadIPTC, gflSetIPTCValue, gflRemoveIPTCValue, gflFreeIPTC


gflBitmapSetIPTC

The gflBitmapSetIPTC function sets IPTC metadata to a bitmap.

GFL_ERROR gflBitmapSetIPTC(
  GFL_BITMAP* bitmap,  
  const GFL_IPTC_DATA* iptc_data
);

Parameters

bitmap
Pointer to a GFL_BITMAP structure.
iptc_data
Pointer to a GFL_IPTC_DATA structure.

Return value

The function returns GFL_NO_ERROR if it is successful or a value of GFL_ERROR.

See also

gflBitmapGetIPTC, gflSetIPTCValue, gflRemoveIPTCValue, gflFreeIPTC