Automatic generation produced by ISE Eiffel
note description: "Used for defining a clip region in EV_DRAWABLE" author: "" date: "$Date: 2013-05-20 15:15:17 -0800 (Mon, 20 May 2013) $" revision: "$Revision: 92557 $" class interface EV_REGION create default_create -- Standard creation procedure. -- (from EV_ANY) require -- from ANY True ensure then -- from EV_ANY is_coupled: implementation /= Void is_initialized: is_initialized default_create_called: default_create_called is_in_default_state: is_in_default_state make_with_rectangle (a_rectangle: EV_RECTANGLE) -- Create region with area set to a_rectangle. require a_rect_not_void: a_rectangle /= Void convert make_with_rectangle ({EV_RECTANGLE}) feature -- Access conjuncted alias "&" (a_region: EV_REGION): EV_REGION -- Intersection of a_region with Current . -- Was declared in {EV_REGION} as synonym of `intersect`. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void data: detachable ANY -- Arbitrary user data may be stored here. -- (from EV_ANY) disjuncted alias "|" (a_region: EV_REGION): EV_REGION -- Union of a_region with Current. -- Was declared in {EV_REGION} as synonym of `union`. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void exclusive_or alias "xor" (a_region: EV_REGION): EV_REGION -- Exclusive or a_region with Current. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void generating_type: TYPE [detachable EV_REGION] -- Type of current object -- (type of which it is a direct instance) -- (from ANY) ensure -- from ANY generating_type_not_void: Result /= Void generator: STRING_8 -- Name of current object's generating class -- (base class of the type of which it is a direct instance) -- (from ANY) ensure -- from ANY generator_not_void: Result /= Void generator_not_empty: not Result.is_empty intersect alias "and" (a_region: EV_REGION): EV_REGION -- Intersection of a_region with Current . -- Was declared in {EV_REGION} as synonym of `conjuncted`. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void subtract alias "-" (a_region: EV_REGION): EV_REGION -- a_region subtracted from Current. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void union alias "or" (a_region: EV_REGION): EV_REGION -- Union of a_region with Current. -- Was declared in {EV_REGION} as synonym of `disjuncted`. require a_region_valid: a_region /= Void and then not a_region.is_destroyed not_is_destroyed: not is_destroyed ensure result_not_void: Result /= Void feature -- Comparison frozen deep_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void -- or attached to isomorphic object structures? -- (from ANY) ensure -- from ANY instance_free: class shallow_implies_deep: standard_equal (a, b) implies Result both_or_none_void: (a = Void) implies (Result = (b = Void)) same_type: (Result and (a /= Void)) implies (b /= Void and then a.same_type (b)) symmetric: Result implies deep_equal (b, a) frozen equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached -- to objects considered equal? -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.is_equal (b)) frozen is_deep_equal alias "≡≡≡" (other: EV_REGION): BOOLEAN -- Are Current and other attached to isomorphic object structures? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY shallow_implies_deep: standard_is_equal (other) implies Result same_type: Result implies same_type (other) symmetric: Result implies other.is_deep_equal (Current) is_equal (other: like Current): BOOLEAN -- Does other have the same appearance as Current. require -- from ANY other_not_void: other /= Void ensure -- from ANY symmetric: Result implies other ~ Current consistent: standard_is_equal (other) implies Result frozen standard_equal (a: detachable ANY; b: like arg #1): BOOLEAN -- Are a and b either both void or attached to -- field-by-field identical objects of the same type? -- Always uses default object comparison criterion. -- (from ANY) ensure -- from ANY instance_free: class definition: Result = (a = Void and b = Void) or else ((a /= Void and b /= Void) and then a.standard_is_equal (b)) frozen standard_is_equal alias "≜" (other: EV_REGION): BOOLEAN -- Is other attached to an object of the same type -- as current object, and field-by-field identical to it? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY same_type: Result implies same_type (other) symmetric: Result implies other.standard_is_equal (Current) feature -- Status report conforms_to (other: ANY): BOOLEAN -- Does type of current object conform to type -- of other (as per Eiffel: The Language, chapter 13)? -- (from ANY) require -- from ANY other_not_void: other /= Void same_type (other: ANY): BOOLEAN -- Is type of current object identical to type of other? -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY definition: Result = (conforms_to (other) and other.conforms_to (Current)) feature -- Element change set_data (some_data: like data) -- Assign some_data to `data`. -- (from EV_ANY) require -- from EV_ANY not_destroyed: not is_destroyed ensure -- from EV_ANY data_assigned: data = some_data feature -- Duplication copy (other: like Current) -- Update Current to have same appearance as other. -- (So as to satisfy `is_equal`.) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_equal: Current ~ other frozen deep_copy (other: EV_REGION) -- Effect equivalent to that of: -- `copy` (other . `deep_twin`) -- (from ANY) require -- from ANY other_not_void: other /= Void ensure -- from ANY deep_equal: deep_equal (Current, other) frozen deep_twin: EV_REGION -- New object structure recursively duplicated from Current. -- (from ANY) ensure -- from ANY deep_twin_not_void: Result /= Void deep_equal: deep_equal (Current, Result) frozen standard_copy (other: EV_REGION) -- Copy every field of other onto corresponding field -- of current object. -- (from ANY) require -- from ANY other_not_void: other /= Void type_identity: same_type (other) ensure -- from ANY is_standard_equal: standard_is_equal (other) frozen standard_twin: EV_REGION -- New object field-by-field identical to other. -- Always uses default copying semantics. -- (from ANY) ensure -- from ANY standard_twin_not_void: Result /= Void equal: standard_equal (Result, Current) frozen twin: EV_REGION -- New object equal to Current -- `twin` calls `copy`; to change copying/twinning semantics, redefine `copy`. -- (from ANY) ensure -- from ANY twin_not_void: Result /= Void is_equal: Result ~ Current feature -- Basic operations frozen default: detachable EV_REGION -- Default value of object's type -- (from ANY) frozen default_pointer: POINTER -- Default value of type POINTER -- (Avoid the need to write p.`default` for -- some p of type POINTER.) -- (from ANY) ensure -- from ANY instance_free: class default_rescue -- Process exception for routines with no Rescue clause. -- (Default: do nothing.) -- (from ANY) frozen do_nothing -- Execute a null action. -- (from ANY) ensure -- from ANY instance_free: class feature -- Command destroy -- Destroy underlying native toolkit object. -- Render Current unusable. -- (from EV_ANY) ensure -- from EV_ANY is_destroyed: is_destroyed feature -- Element Change offset (a_horizontal_offset, a_vertical_offset: INTEGER_32) -- Move Current a a_horizontal_offset horizontally and a_vertical_offset vertically. require not_is_destroyed: not is_destroyed set_rectangle (a_rectangle: EV_RECTANGLE) -- Set region to area a_rectangle. require a_rect_not_void: a_rectangle /= Void not_is_destroyed: not is_destroyed feature -- Output Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY out_not_void: Result /= Void print (o: detachable ANY) -- Write terse external representation of o -- on standard output. -- (from ANY) ensure -- from ANY instance_free: class frozen tagged_out: STRING_8 -- New string containing terse printable representation -- of current object -- (from ANY) ensure -- from ANY tagged_out_not_void: Result /= Void feature -- Platform Operating_environment: OPERATING_ENVIRONMENT -- Objects available from the operating system -- (from ANY) ensure -- from ANY instance_free: class operating_environment_not_void: Result /= Void feature -- Status Report is_destroyed: BOOLEAN -- Is Current no longer usable? -- (from EV_ANY) ensure -- from EV_ANY bridge_ok: Result = implementation.is_destroyed invariant -- from EV_ANY is_initialized: is_initialized default_create_called: default_create_called is_coupled: default_create_called implies (implementation.interface = Current or (attached {EV_ENVIRONMENT} Current and then attached implementation.interface)) -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2006, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 356 Storke Road, Goleta, CA 93117 USA Telephone 805-685-1006, Fax 805-685-6869 Website http://www.eiffel.com Customer support http://support.eiffel.com ]" end -- class EV_REGION -- Generated by Eiffel Studio --
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