indexing
description: "Btimap functions in Gdi+."
legal: "See notice at end of class."
status: "See notice at end of class."
date: "$Date: 2006-07-31 14:10:26 -0700 (Mon, 31 Jul 2006) $"
revision: "$Revision$"
class interface
WEL_GDIP_BITMAP
create
make_with_size (a_width, a_height: INTEGER_32)
require
larger_than_0: a_width > 0
larger_than_0: a_height > 0
feature
gdi_plus_handle: POINTER
WEL_GDIP_ANY
generating_type: STRING_8
ANY
generator: STRING_8
ANY
item: POINTER
WEL_ANY
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
exists: BOOLEAN
item
WEL_ANY
ensure WEL_ANY
Result = (item /= default_pointer)
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))
shared: BOOLEAN
item
item
destroy_item
item
WEL_ANY
feature
set_shared
shared
WEL_ANY
ensure WEL_ANY
shared: shared
set_unshared
shared
WEL_ANY
ensure WEL_ANY
unshared: not shared
feature
set_item (an_item: POINTER)
item`an_item'
WEL_ANY
ensure WEL_ANY
item_set: item = an_item
feature
dispose
`Current'
`Current'
WEL_ANY
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
c_gdip_bitmap_get_pixel (a_gdiplus_handle, a_bitmap: POINTER; a_x, a_y: NATURAL_32; a_color: TYPED_POINTER [NATURAL_32]; a_result_status: TYPED_POINTER [INTEGER_32])
`a_bitmap'`a_x'`a_y'
require
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_bitmap_not_null: a_bitmap /= default_pointer
c_gdip_bitmap_lock_bits (a_gdiplus_handle, a_bitmap: POINTER; a_gp_rect: POINTER; a_image_lock_flag: NATURAL_32; a_pixel_format: INTEGER_32; a_result_status: TYPED_POINTER [INTEGER_32]; a_bitmap_data: POINTER)
`a_bitmap'
require
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_bitmap_not_null: a_bitmap /= default_pointer
c_gdip_bitmap_set_pixel (a_gdiplus_handle, a_bitmap: POINTER; a_x, a_y: NATURAL_32; a_color: NATURAL_32; a_result_status: TYPED_POINTER [INTEGER_32])
`a_bitmap'`a_x'`a_y'
require
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_bitmap_not_null: a_bitmap /= default_pointer
c_gdip_bitmap_unlock_bits (a_gdiplus_handle, a_bitmap, a_locked_bitmap_data: POINTER; a_result_status: TYPED_POINTER [INTEGER_32])
`a_locked_bitmap_data'`a_bitmap'
require
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_bitmap_not_null: a_bitmap /= default_pointer
c_gdip_create_bitmap_from_scan0 (a_gdiplus_handle: POINTER; a_width, a_height: INTEGER_32; a_result_status: TYPED_POINTER [INTEGER_32]): POINTER
require
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
c_gdip_dispose_image (a_gdiplus_handle: POINTER; a_image: POINTER; a_result_status: TYPED_POINTER [INTEGER_32])
`a_image'
WEL_GDIP_IMAGE
require WEL_GDIP_IMAGE
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_iamge_not_null: a_image /= default_pointer
c_gdip_get_image_height (a_gdiplus_handle: POINTER; a_item: POINTER; a_result_status: TYPED_POINTER [INTEGER_32]): NATURAL_32
WEL_GDIP_IMAGE
require WEL_GDIP_IMAGE
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_item_not_null: a_item /= default_pointer
c_gdip_get_image_width (a_gdiplus_handle: POINTER; a_item: POINTER; a_result_status: TYPED_POINTER [INTEGER_32]): NATURAL_32
WEL_GDIP_IMAGE
require WEL_GDIP_IMAGE
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_item_not_null: a_item /= default_pointer
c_gdip_load_image_from_file (a_gdiplus_handle: POINTER; a_wchar_file_name: POINTER; a_result_status: TYPED_POINTER [INTEGER_32]): POINTER
`a_wchar_file_name'
WEL_GDIP_IMAGE
require WEL_GDIP_IMAGE
a_gdiplus_handle_not_null: a_gdiplus_handle /= default_pointer
a_wchar_file_name_not_null: a_wchar_file_name /= default_pointer
feature
get_pixel (a_x, a_y: NATURAL_32): NATURAL_32
`a_x'`a_y'
load_image_from_file (a_file_name: STRING_8)
require WEL_GDIP_IMAGE
not_void: a_file_name /= Void
lock_bits (a_rect: WEL_GDIP_RECT; a_lock_bitmode_flag: NATURAL_32; a_pixel_format: INTEGER_32): WEL_GDIP_BITMAP_DATA
require
not_void: a_rect /= Void
is_vaild: (create {WEL_GDIP_IMAGE_LOCK_MODE}).is_valid (a_lock_bitmode_flag)
is_valid: (create {WEL_GDIP_PIXEL_FORMAT}).is_valid (a_pixel_format)
ensure
not_void: Result /= Void
new_bitmap: WEL_BITMAP
set_pixel (a_x, a_y, argb_value: NATURAL_32)
`a_x'`a_y'`argb_value'
unlock_bits (a_locked_data: WEL_GDIP_BITMAP_DATA)
`a_lock_data'
require
not_void: a_locked_data /= Void
feature
destroy_item
WEL_GDIP_IMAGE
require WEL_ANY
exists: exists
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
height: INTEGER_32
WEL_GDIP_IMAGE
is_gdi_plus_installed: BOOLEAN
WEL_GDIP_ANY
width: INTEGER_32
WEL_GDIP_IMAGE
invariant
WEL_GDIP_ANY
support: is_gdi_plus_installed
ANY
reflexive_equality: standard_is_equal (Current)
reflexive_conformance: conforms_to (Current)
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 WEL_GDIP_BITMAP