indexing
description: "Eiffel Vision color. Mswindows implementation"
legal: "See notice at end of class."
status: "See notice at end of class."
date: "$Date: 2006-03-22 23:29:03 -0800 (Wed, 22 Mar 2006) $"
revision: "$Revision: 57641 $"
class interface
EV_COLOR_IMP
create
make (an_interface: like interface)
`Current'`an_interface'
require EV_ANY_I
an_interface_not_void: an_interface /= Void
ensure EV_ANY_I
interface_assigned: interface = an_interface
base_make_called: base_make_called
ensure then EV_COLOR_I
default_name_assigned: name.is_equal (default_name)
red_zero: red = 0
green_zero: green = 0
blue_zero: blue = 0
feature
initialize
`Current'
ensure EV_ANY_I
is_initialized: is_initialized
make (an_interface: like interface)
`Current'`an_interface'
require EV_ANY_I
an_interface_not_void: an_interface /= Void
ensure EV_ANY_I
interface_assigned: interface = an_interface
base_make_called: base_make_called
ensure then EV_COLOR_I
default_name_assigned: name.is_equal (default_name)
red_zero: red = 0
green_zero: green = 0
blue_zero: blue = 0
feature
blue_8_bit: INTEGER_32
WEL_COLOR_REF
require EV_COLOR_I
True
ensure EV_COLOR_I
within_range: Result >= 0 and Result <= interface.max_8_bit
generating_type: STRING_8
ANY
generator: STRING_8
ANY
green_8_bit: INTEGER_32
WEL_COLOR_REF
require EV_COLOR_I
True
ensure EV_COLOR_I
within_range: Result >= 0 and Result <= interface.max_8_bit
item: INTEGER_32
WEL_COLOR_REF
red_8_bit: INTEGER_32
WEL_COLOR_REF
require EV_COLOR_I
True
ensure EV_COLOR_I
within_range: Result >= 0 and Result <= interface.max_8_bit
feature
frozen deep_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
shallow_implies_deep: standard_equal (some, other) implies Result
both_or_none_void: (some = Void) implies (Result = (other = Void))
same_type: (Result and (some /= Void)) implies some.same_type (other)
symmetric: Result implies deep_equal (other, some)
frozen equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.is_equal (other))
is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
symmetric: Result implies other.is_equal (Current)
consistent: standard_is_equal (other) implies Result
frozen standard_equal (some: ANY; other: like arg #1): BOOLEAN
`some'`other'
ANY
ensure ANY
definition: Result = (some = Void and other = Void) or else ((some /= Void and other /= Void) and then some.standard_is_equal (other))
frozen standard_is_equal (other: like Current): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
same_type: Result implies same_type (other)
symmetric: Result implies other.standard_is_equal (Current)
feature
conforms_to (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
same_type (other: ANY): BOOLEAN
`other'
ANY
require ANY
other_not_void: other /= Void
ensure ANY
definition: Result = (conforms_to (other) and other.conforms_to (Current))
feature {ANY}
valid_color_constant (c: INTEGER_32): BOOLEAN
`c'
WEL_COLOR_CONSTANTS
feature
destroy
`Current'
ensure EV_ANY_I
is_in_destroy_set: is_in_destroy
is_destroyed_set: is_destroyed
feature
wel_set_blue (a_blue: INTEGER_32)
blue`a_blue'
WEL_COLOR_REF
require WEL_COLOR_REF
valid_blue_inf: a_blue >= 0
valid_blue_sup: a_blue <= 255
ensure WEL_COLOR_REF
blue_set: blue_8_bit = a_blue
set_color (color: INTEGER_32)
item`color'
WEL_COLOR_REF
ensure WEL_COLOR_REF
color_set: item = color
wel_set_green (a_green: INTEGER_32)
green`a_green'
WEL_COLOR_REF
require WEL_COLOR_REF
valid_green_inf: a_green >= 0
valid_green_sup: a_green <= 255
ensure WEL_COLOR_REF
green_set: green_8_bit = a_green
wel_set_red (a_red: INTEGER_32)
red`a_red'
WEL_COLOR_REF
require WEL_COLOR_REF
valid_red_inf: a_red >= 0
valid_red_sup: a_red <= 255
ensure WEL_COLOR_REF
red_set: red_8_bit = a_red
set_rgb (a_red, a_green, a_blue: INTEGER_32)
redgreenblue
`a_red'`a_green'`a_blue'
WEL_COLOR_REF
require WEL_COLOR_REF
valid_red_inf: a_red >= 0
valid_red_sup: a_red <= 255
valid_green_inf: a_green >= 0
valid_green_sup: a_green <= 255
valid_blue_inf: a_blue >= 0
valid_blue_sup: a_blue <= 255
ensure WEL_COLOR_REF
red_set: red_8_bit = a_red
green_set: green_8_bit = a_green
blue_set: blue_8_bit = a_blue
feature
copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_equal: is_equal (other)
frozen deep_copy (other: like Current)
copy`other'deep_twin
ANY
require ANY
other_not_void: other /= Void
ensure ANY
deep_equal: deep_equal (Current, other)
frozen deep_twin: like Current
ANY
ensure ANY
deep_equal: deep_equal (Current, Result)
frozen standard_copy (other: like Current)
`other'
ANY
require ANY
other_not_void: other /= Void
type_identity: same_type (other)
ensure ANY
is_standard_equal: standard_is_equal (other)
frozen standard_twin: like Current
`other'
ANY
ensure ANY
standard_twin_not_void: Result /= Void
equal: standard_equal (Result, Current)
frozen twin: like Current
`Current'
twincopycopy
ANY
ensure ANY
twin_not_void: Result /= Void
is_equal: Result.is_equal (Current)
feature
frozen default: like Current
ANY
frozen default_pointer: POINTER
`POINTER'
`p'default
`p'`POINTER'
ANY
default_rescue
ANY
frozen do_nothing
ANY
feature
io: STD_FILES
ANY
out: STRING_8
ANYtagged_out
ANY
print (some: ANY)
`some'
ANY
frozen tagged_out: STRING_8
ANYout
ANY
feature
operating_environment: OPERATING_ENVIRONMENT
ANY
feature
default_name: STRING_8 is "noname"
name
EV_COLOR_I
interface: EV_COLOR
EV_COLOR_I
invariant
EV_COLOR_I
red_within_range: red >= 0 and red <= 1
green_within_range: green >= 0 and green <= 1
blue_within_range: blue >= 0 and blue <= 1
red_8_bit_within_range: red_8_bit >= 0 and red_8_bit <= interface.max_8_bit
green_8_bit_within_range: green >= 0 and green_8_bit <= interface.max_8_bit
blue_8_bit_within_range: blue_8_bit >= 0 and blue_8_bit <= interface.max_8_bit
red_16_bit_within_range: red_16_bit >= 0 and red_16_bit <= interface.max_16_bit
green_16_bit_within_range: green_16_bit >= 0 and green_16_bit <= interface.max_16_bit
blue_16_bit_within_range: blue_16_bit >= 0 and blue_16_bit <= interface.max_16_bit
rgb_24_bit_within_range: rgb_24_bit >= 0 and rgb_24_bit <= interface.max_24_bit
red_16_bit_conversion: ((red * interface.max_16_bit) - red_16_bit).abs <= delta * interface.max_16_bit
red_8_bit_conversion: ((red * interface.max_8_bit) - red_8_bit).abs <= delta * interface.max_8_bit
green_16_bit_conversion: ((green * interface.max_16_bit) - green_16_bit).abs <= delta * interface.max_16_bit
green_8_bit_conversion: ((green * interface.max_8_bit) - green_8_bit).abs < delta * interface.max_8_bit
blue_16_bit_conversion: ((blue * interface.max_16_bit) - blue_16_bit).abs < delta * interface.max_16_bit
blue_8_bit_conversion: ((blue * interface.max_8_bit) - blue_8_bit).abs < delta * interface.max_8_bit
name_not_void: name /= Void
EV_ANY_I
interface_coupled: is_usable implies interface /= Void and then interface.implementation = Current
base_make_called: base_make_called
ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)
WEL_COLOR_REF
valid_red_inf: red_8_bit >= 0
valid_red_sup: red_8_bit <= 255
valid_green_inf: green_8_bit >= 0
valid_green_sup: green_8_bit <= 255
valid_blue_inf: blue_8_bit >= 0
valid_blue_sup: blue_8_bit <= 255
indexing
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 EV_COLOR_IMP