FieldReader Class Reference

Public Member Functions
	FieldReader ()
	FieldReader (const char *fieldname_, const char *aci_, float minVal, float maxVal)
bool	may_read () const
float	calc_value (GBDATA *gb_item) const

Detailed Description

Definition at line 37 of file field_shader.cxx.

Constructor & Destructor Documentation

FieldReader::FieldReader ( )

inline

Definition at line 62 of file field_shader.cxx.

FieldReader::FieldReader ( const char *  fieldname_, const char *  aci_, float  minVal, float  maxVal  )

inline

Definition at line 64 of file field_shader.cxx.

References is_assert.

Member Function Documentation

bool FieldReader::may_read ( ) const

inline

Definition at line 75 of file field_shader.cxx.

Referenced by MultiFieldReader::add_reader().

float FieldReader::calc_value ( GBDATA *  gb_item ) const

inline

reads one field from passed item.

Returns NAN in the following cases:

• 'this' is a null-reader
• no item passed
• field is missing
• STRING field contains no numeric data

Otherwise the value is scaled (but not limited) to the value range.

Definition at line 77 of file field_shader.cxx.

References aw_message(), GB_await_error(), GB_command_interpreter_in_env(), GB_entry(), GB_FIND, GB_FLOAT, GB_INT, GB_read_as_string(), GB_read_float(), GB_read_int(), GB_read_type(), GB_search(), is_assert, is_inf(), and NULp.

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The documentation for this class was generated from the following file:

• SL/ITEM_SHADER/field_shader.cxx