Automatic generation produced by ISE Eiffel
note description: "Rectangular areas." legal: "See notice at end of class." status: "See notice at end of class." date: "$Date: 2014-04-16 15:57:30 -0800 (Wed, 16 Apr 2014) $" revision: "$Revision: 94880 $" class interface EV_RECTANGLE create default_create -- Process instances of classes with no creation clause. -- (Default: do nothing.) -- (from ANY) make (a_x, a_y, a_width, a_height: INTEGER_32) -- Initialize with a_x, a_y, a_width, a_height. -- Was declared in {EV_RECTANGLE} as synonym of `set`. require a_width_positive: a_width >= 0 a_height_positive: a_height >= 0 set (a_x, a_y, a_width, a_height: INTEGER_32) -- Initialize with a_x, a_y, a_width, a_height. -- Was declared in {EV_RECTANGLE} as synonym of `make`. require a_width_positive: a_width >= 0 a_height_positive: a_height >= 0 feature -- Access bottom: INTEGER_32 -- Vertical position of bottom. generating_type: TYPE [detachable EV_RECTANGLE] -- 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 height: INTEGER_32 -- Height of Current. left: INTEGER_32 -- Horizontal position of left side right: INTEGER_32 -- Horizontal position of right side. top: INTEGER_32 -- Vertical position of top. width: INTEGER_32 -- Width of Current. x: INTEGER_32 -- Horizontal position. y: INTEGER_32 -- Vertical position. 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_RECTANGLE): 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: EV_RECTANGLE): BOOLEAN -- Is other attached to an object considered -- equal to current object? -- (from ANY) 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_RECTANGLE): 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 contains (other: like Current): BOOLEAN -- Does Current contain other entirely? has (c: EV_COORDINATE): BOOLEAN -- Is c inside Current? require c_not_void: c /= Void has_area: BOOLEAN -- Does Current have area? has_x_y (a_x, a_y: INTEGER_32): BOOLEAN -- Is (a_x, a_y) inside Current? intersection (other: like Current): like Current -- Intersection of other with Current. -- If there is not intersection Result has default values. require other_not_void: other /= Void ensure result_not_void: Result /= Void result_intersects_if_not_default: Result.width /= 0 or else Result.height /= 0 implies Result.intersects (other) result_default_if_no_intersection: Result.width = 0 or else Result.height = 0 implies not Result.intersects (other) intersects (other: like Current): BOOLEAN -- Does other at least partially overlap Current? require other_not_void: other /= Void lower_left: EV_COORDINATE -- Lower-left corner of Current. ensure result_exists: Result /= Void result_assigned: Result.x = x and then Result.y = y + height lower_right: EV_COORDINATE -- Lower-right corner of Current. ensure result_exists: Result /= Void result_assigned: Result.x = x + width and then Result.y = y + height 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)) upper_left: EV_COORDINATE -- Upper-left corner of Current. ensure result_exists: Result /= Void result_assigned: Result.x = x and then Result.y = y upper_right: EV_COORDINATE -- Upper-right corner of Current. ensure result_exists: Result /= Void result_assigned: Result.x = x + width and then Result.y = y feature -- Element change grow_bottom (i: INTEGER_32) -- Increment size by i to south. grow_left (i: INTEGER_32) -- Increment size by i to west. require width + i > 0 grow_right (i: INTEGER_32) -- Increment size by i to east. grow_top (i: INTEGER_32) -- Increment size by i to north. require height + i > 0 include (a_x, a_y: INTEGER_32) -- Enlarge so that a_x, a_y is in Current. include_point (c: EV_COORDINATE) -- Enlarge so that c is in Current. require c_not_void: c /= Void ensure has_c: has (c) merge (other: like Current) -- Enlarge Current so that other fits inside. require other_not_void: other /= Void move (a_x, a_y: INTEGER_32) -- Move to a_x and a_y. ensure x_assigned: x = a_x y_assigned: y = a_y move_and_resize (a_x, a_y, a_width, a_height: INTEGER_32) -- Move to a_x and a_y and resize to a_width and a_height. require a_width_positive: a_width >= 0 a_height_positive: a_height >= 0 ensure x_assigned: x = a_x y_assigned: y = a_y width_assigned: width = a_width height_assigned: height = a_height resize (a_width, a_height: INTEGER_32) -- Resize to a_width and a_height. require a_width_positive: a_width >= 0 a_height_positive: a_height >= 0 ensure width_assigned: width = a_width height_assigned: height = a_height set_bottom (i: INTEGER_32) -- Assign i to `bottom`. require i - y >= 0 ensure assigned: bottom = i set_height (new_height: INTEGER_32) -- Assign new_height to `height`. require new_height_positive: new_height >= 0 ensure height_assigned: height = new_height set_left (i: INTEGER_32) -- Assign i to `left`. require i <= right ensure assigned: left = i right_same: right = old right set_right (i: INTEGER_32) -- Assign i to `right`. require i - x >= 0 ensure assigned: right = i set_top (i: INTEGER_32) -- Assign i to `top`. require i <= bottom ensure assigned: top = i bottom_same: bottom = old bottom set_width (new_width: INTEGER_32) -- Assign new_width to 'width'. require new_width_positive: new_width >= 0 ensure width_assigned: width = new_width set_x (new_x: INTEGER_32) -- Assign new_x to `x`. ensure x_set: x = new_x set_y (new_y: INTEGER_32) -- Assign new_y to `y`. ensure y_set: y = new_y feature -- Duplication copy (other: EV_RECTANGLE) -- Update current object using fields of object attached -- to other, so as to yield equal objects. -- (from ANY) 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_RECTANGLE) -- 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_RECTANGLE -- 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_RECTANGLE) -- 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_RECTANGLE -- 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_RECTANGLE -- 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_RECTANGLE -- 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 -- Output debug_output: STRING_8 -- Return readable string. -- Was declared in {EV_RECTANGLE} as synonym of `out`. ensure -- from DEBUG_OUTPUT result_not_void: Result /= Void Io: STD_FILES -- Handle to standard file setup -- (from ANY) ensure -- from ANY instance_free: class io_not_void: Result /= Void out: STRING_8 -- Return readable string. -- Was declared in {EV_RECTANGLE} as synonym of `debug_output`. 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 invariant width_positive: width >= 0 height_positive: height >= 0 -- from ANY reflexive_equality: standard_is_equal (Current) reflexive_conformance: conforms_to (Current) note copyright: "Copyright (c) 1984-2014, Eiffel Software and others" license: "Eiffel Forum License v2 (see http://www.eiffel.com/licensing/forum.txt)" source: "[ Eiffel Software 5949 Hollister Ave., 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_RECTANGLE -- Generated by Eiffel Studio --
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