/** Function oyOption_FromDB
* @memberof oyOption_s
* @brief new option with registration and value filled from DB if available
*
* @param registration no or full qualified registration
* @param object the optional object
* @return the option
*
* @version Oyranos: 0.1.10
* @since 2009/01/24 (Oyranos: 0.1.10)
* @date 2009/01/24
*/
oyOption_s * oyOption_FromDB ( const char * registration,
oyObject_s object )
{
int error = !registration;
oyOption_s * o = 0;
if(error <= 0)
{
/** This is merely a wrapper to oyOption_New() and
* oyOption_SetValueFromDB(). */
o = oyOption_New( object );
error = oyOption_SetValueFromDB( o );
((oyOption_s_*)o)->source = oyOPTIONSOURCE_DATA;
}
return o;
}
oyConversion_s * oyConversion_FromImageForDisplay_ (
oyImage_s * image_in,
oyImage_s * image_out,
oyFilterNode_s ** cc_node,
uint32_t flags,
oyDATATYPE_e data_type,
oyOptions_s * cc_options,
oyObject_s obj )
{
oyFilterNode_s * in = 0, * out = 0, * icc = 0;
int error = 0;
oyConversion_s * conversion = 0;
oyOptions_s * options = 0;
oyOption_s * option = 0;
const char * sv = 0;
double scale = 0;
if(!image_in || !image_out)
return NULL;
/* start with an empty conversion object */
conversion = oyConversion_New( obj );
/* create a filter node */
in = oyFilterNode_NewWith( "//" OY_TYPE_STD "/root", 0, obj );
/* set the above filter node as the input */
oyConversion_Set( conversion, in, 0 );
/* set the image buffer */
oyFilterNode_SetData( in, (oyStruct_s*)image_in, 0, 0 );
/* add a scale node */
out = oyFilterNode_NewWith( "//" OY_TYPE_STD "/scale", 0, obj );
options = oyFilterNode_GetOptions( out, OY_SELECT_FILTER );
/* scale factor from DB */
option = oyOption_FromRegistration( OY_INTERNAL "/scale/scale", 0 );
error = oyOption_SetFromText( option, 0, 0 );
error = oyOption_SetValueFromDB( option );
scale = 1.0;
if(!error)
{
sv = oyOption_GetValueString( option, 0 );
if(sv)
scale = strtod( sv, 0 );
}
oyOption_Release( &option );
error = oyOptions_SetFromDouble( &options,
OY_INTERNAL "/scale/scale",
scale, 0, OY_CREATE_NEW );
oyOptions_Release( &options );
/* append the node */
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", "//" OY_TYPE_STD "/scale" );
in = out;
/* add a expose node */
out = oyFilterNode_NewWith( "//" OY_TYPE_STD "/expose", 0, obj );
options = oyFilterNode_GetOptions( out, OY_SELECT_FILTER );
/* expose factor */
error = oyOptions_SetFromDouble( &options,
"//" OY_TYPE_STD "/expose/expose",
1.0, 0, OY_CREATE_NEW );
oyOptions_Release( &options );
/* append the node */
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", "//" OY_TYPE_STD "/expose" );
in = out;
/* add a channel node */
out = oyFilterNode_NewWith( "//" OY_TYPE_STD "/channel", 0, obj );
options = oyFilterNode_GetOptions( out, OY_SELECT_FILTER );
/* channel option*/
error = oyOptions_SetFromText( &options,
"//" OY_TYPE_STD "/channel/channel",
"", OY_CREATE_NEW );
oyOptions_Release( &options );
/* append the node */
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", "//" OY_TYPE_STD "/channel" );
in = out;
/* create a new filter node */
{
icc = out = oyFilterNode_FromOptions( OY_CMM_STD, "//" OY_TYPE_STD "/icc_color",
cc_options, NULL );
/* append the new to the previous one */
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", OY_CMM_STD );
/* Set the image to the first/only socket of the filter node.
* oyFilterNode_Connect() has now no chance to copy it it the other nodes.
* We rely on resolving the image later.
*/
error = oyFilterNode_SetData( out, (oyStruct_s*)image_out, 0, 0 );
if(error != 0)
fprintf( stderr, "could not add data\n" );
}
/* swap in and out */
if(out)
in = out;
/* create a node for preparing the image for displaying */
{
out = oyFilterNode_NewWith( "//" OY_TYPE_STD "/display", 0, obj );
options = oyFilterNode_GetOptions( out, OY_SELECT_FILTER );
/* data type for display */
error = oyOptions_SetFromInt( &options,
"//" OY_TYPE_STD "/display/datatype",
data_type, 0, OY_CREATE_NEW );
/* alpha might be support once by FLTK? */
error = oyOptions_SetFromInt( &options,
"//" OY_TYPE_STD "/display/preserve_alpha",
1, 0, OY_CREATE_NEW );
oyOptions_Release( &options );
/* append the node */
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", "//" OY_TYPE_STD "/display" );
oyFilterNode_SetData( out, (oyStruct_s*)image_out, 0, 0 );
in = out;
}
/* add a closing node */
out = oyFilterNode_NewWith( "//" OY_TYPE_STD "/output", 0, obj );
error = oyFilterNode_Connect( in, "//" OY_TYPE_STD "/data",
out, "//" OY_TYPE_STD "/data", 0 );
if(error > 0)
fprintf( stderr, "could not add filter: %s\n", "//" OY_TYPE_STD "/output" );
/* set the output node of the conversion */
oyConversion_Set( conversion, 0, out );
/* apply policies */
/*error = oyOptions_SetFromText( &options, "//" OY_TYPE_STD "//verbose",
"true", OY_CREATE_NEW );*/
oyConversion_Correct( conversion, "//" OY_TYPE_STD "/icc_color", flags,
options );
oyOptions_Release( &options );
if(cc_node)
*cc_node = icc;
return conversion;
}