outputFormatObj *msSelectOutputFormat( mapObj *map,
const char *imagetype )
{
int index;
outputFormatObj *format = NULL;
if( map == NULL || imagetype == NULL || strlen(imagetype) == 0 )
return NULL;
/* -------------------------------------------------------------------- */
/* Try to find the format in the maps list of formats, first by */
/* mime type, and then by output format name. */
/* -------------------------------------------------------------------- */
index = msGetOutputFormatIndex(map, imagetype);
if (index >= 0) {
format = map->outputformatlist[index];
} else {
struct defaultOutputFormatEntry *formatEntry = defaultoutputformats;
while(formatEntry->name) {
if(!strcasecmp(imagetype,formatEntry->name) || !strcasecmp(imagetype,formatEntry->mimetype)) {
format = msCreateDefaultOutputFormat( map, formatEntry->driver, formatEntry->name );
break;
}
formatEntry++;
}
}
if (format)
{
if (map->imagetype)
free(map->imagetype);
map->imagetype = msStrdup(format->name);
}
if( format != NULL )
msOutputFormatValidate( format, MS_FALSE );
return format;
}
void msApplyOutputFormat( outputFormatObj **target,
outputFormatObj *format,
int transparent,
int interlaced,
int imagequality )
{
int change_needed = MS_FALSE;
int old_imagequality, old_interlaced;
outputFormatObj *formatToFree = NULL;
assert( target != NULL );
if( *target != NULL && MS_REFCNT_DECR_IS_ZERO( (*target) ) ) {
formatToFree = *target;
*target = NULL;
}
if( format == NULL ) {
if( formatToFree )
msFreeOutputFormat( formatToFree );
*target = NULL;
return;
}
msOutputFormatValidate( format, MS_FALSE );
/* -------------------------------------------------------------------- */
/* Do we need to change any values? If not, then just apply */
/* and return. */
/* -------------------------------------------------------------------- */
if( transparent != MS_NOOVERRIDE && !format->transparent != !transparent )
change_needed = MS_TRUE;
old_imagequality = atoi(msGetOutputFormatOption( format, "QUALITY", "75"));
if( imagequality != MS_NOOVERRIDE && old_imagequality != imagequality )
change_needed = MS_TRUE;
old_interlaced =
strcasecmp(msGetOutputFormatOption( format, "INTERLACE", "ON"),
"OFF") != 0;
if( interlaced != MS_NOOVERRIDE && !interlaced != !old_interlaced )
change_needed = MS_TRUE;
if( change_needed ) {
char new_value[128];
if( format->refcount > 0 )
format = msCloneOutputFormat( format );
if( transparent != MS_NOOVERRIDE ) {
format->transparent = transparent;
if( format->imagemode == MS_IMAGEMODE_RGB )
format->imagemode = MS_IMAGEMODE_RGBA;
}
if( imagequality != MS_NOOVERRIDE && imagequality != old_imagequality ) {
snprintf( new_value, sizeof(new_value), "%d", imagequality );
msSetOutputFormatOption( format, "QUALITY", new_value );
}
if( interlaced != MS_NOOVERRIDE && !interlaced != !old_interlaced ) {
if( interlaced )
msSetOutputFormatOption( format, "INTERLACE", "ON" );
else
msSetOutputFormatOption( format, "INTERLACE", "OFF" );
}
}
*target = format;
format->refcount++;
if( MS_RENDERER_PLUGIN(format) ) {
msInitializeRendererVTable(format);
}
if( formatToFree )
msFreeOutputFormat( formatToFree );
}
