GdipSetImageAttributesColorKeys

// gdiplus.dll
#include <windows.h>

Status GdipSetImageAttributesColorKeys(
    GpImageAttributes* imageattr,
    ColorAdjustType type,
    BOOL enableFlag,
    DWORD colorLow,
    DWORD colorHigh
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipSetImageAttributesColorKeys(
    imageattr As IntPtr,   ' GpImageAttributes* in/out
    type As Integer,   ' ColorAdjustType
    enableFlag As Boolean,   ' BOOL
    colorLow As UInteger,   ' DWORD
    colorHigh As UInteger   ' DWORD
) As Integer
End Function

' imageattr : GpImageAttributes* in/out
' type : ColorAdjustType
' enableFlag : BOOL
' colorLow : DWORD
' colorHigh : DWORD
Declare PtrSafe Function GdipSetImageAttributesColorKeys Lib "gdiplus" ( _
    ByVal imageattr As LongPtr, _
    ByVal type As Long, _
    ByVal enableFlag As Long, _
    ByVal colorLow As Long, _
    ByVal colorHigh As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipSetImageAttributesColorKeys = ctypes.windll.gdiplus.GdipSetImageAttributesColorKeys
GdipSetImageAttributesColorKeys.restype = ctypes.c_int
GdipSetImageAttributesColorKeys.argtypes = [
    ctypes.c_void_p,  # imageattr : GpImageAttributes* in/out
    ctypes.c_int,  # type : ColorAdjustType
    wintypes.BOOL,  # enableFlag : BOOL
    wintypes.DWORD,  # colorLow : DWORD
    wintypes.DWORD,  # colorHigh : DWORD
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipSetImageAttributesColorKeys = Fiddle::Function.new(
  lib['GdipSetImageAttributesColorKeys'],
  [
    Fiddle::TYPE_VOIDP,  # imageattr : GpImageAttributes* in/out
    Fiddle::TYPE_INT,  # type : ColorAdjustType
    Fiddle::TYPE_INT,  # enableFlag : BOOL
    -Fiddle::TYPE_INT,  # colorLow : DWORD
    -Fiddle::TYPE_INT,  # colorHigh : DWORD
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipSetImageAttributesColorKeys(
        imageattr: *mut GpImageAttributes,  // GpImageAttributes* in/out
        type: i32,  // ColorAdjustType
        enableFlag: i32,  // BOOL
        colorLow: u32,  // DWORD
        colorHigh: u32  // DWORD
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipSetImageAttributesColorKeys(IntPtr imageattr, int type, bool enableFlag, uint colorLow, uint colorHigh);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipSetImageAttributesColorKeys' -Namespace Win32 -PassThru
# $api::GdipSetImageAttributesColorKeys(imageattr, type, enableFlag, colorLow, colorHigh)

#uselib "gdiplus.dll"
#func global GdipSetImageAttributesColorKeys "GdipSetImageAttributesColorKeys" sptr, sptr, sptr, sptr, sptr
; GdipSetImageAttributesColorKeys varptr(imageattr), type, enableFlag, colorLow, colorHigh   ; 戻り値は stat
; imageattr : GpImageAttributes* in/out -> "sptr"
; type : ColorAdjustType -> "sptr"
; enableFlag : BOOL -> "sptr"
; colorLow : DWORD -> "sptr"
; colorHigh : DWORD -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "gdiplus.dll"
#cfunc global GdipSetImageAttributesColorKeys "GdipSetImageAttributesColorKeys" var, int, int, int, int
; res = GdipSetImageAttributesColorKeys(imageattr, type, enableFlag, colorLow, colorHigh)
; imageattr : GpImageAttributes* in/out -> "var"
; type : ColorAdjustType -> "int"
; enableFlag : BOOL -> "int"
; colorLow : DWORD -> "int"
; colorHigh : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

; Status GdipSetImageAttributesColorKeys(GpImageAttributes* imageattr, ColorAdjustType type, BOOL enableFlag, DWORD colorLow, DWORD colorHigh)
#uselib "gdiplus.dll"
#cfunc global GdipSetImageAttributesColorKeys "GdipSetImageAttributesColorKeys" var, int, int, int, int
; res = GdipSetImageAttributesColorKeys(imageattr, type, enableFlag, colorLow, colorHigh)
; imageattr : GpImageAttributes* in/out -> "var"
; type : ColorAdjustType -> "int"
; enableFlag : BOOL -> "int"
; colorLow : DWORD -> "int"
; colorHigh : DWORD -> "int"
; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipSetImageAttributesColorKeys = gdiplus.NewProc("GdipSetImageAttributesColorKeys")
)

// imageattr (GpImageAttributes* in/out), type (ColorAdjustType), enableFlag (BOOL), colorLow (DWORD), colorHigh (DWORD)
r1, _, err := procGdipSetImageAttributesColorKeys.Call(
	uintptr(imageattr),
	uintptr(type),
	uintptr(enableFlag),
	uintptr(colorLow),
	uintptr(colorHigh),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipSetImageAttributesColorKeys(
  imageattr: Pointer;   // GpImageAttributes* in/out
  type: Integer;   // ColorAdjustType
  enableFlag: BOOL;   // BOOL
  colorLow: DWORD;   // DWORD
  colorHigh: DWORD   // DWORD
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipSetImageAttributesColorKeys';

result := DllCall("gdiplus\GdipSetImageAttributesColorKeys"
    , "Ptr", imageattr   ; GpImageAttributes* in/out
    , "Int", type   ; ColorAdjustType
    , "Int", enableFlag   ; BOOL
    , "UInt", colorLow   ; DWORD
    , "UInt", colorHigh   ; DWORD
    , "Int")   ; return: Status

●GdipSetImageAttributesColorKeys(imageattr, type, enableFlag, colorLow, colorHigh) = DLL("gdiplus.dll", "int GdipSetImageAttributesColorKeys(void*, int, bool, dword, dword)")
# 呼び出し: GdipSetImageAttributesColorKeys(imageattr, type, enableFlag, colorLow, colorHigh)
# imageattr : GpImageAttributes* in/out -> "void*"
# type : ColorAdjustType -> "int"
# enableFlag : BOOL -> "bool"
# colorLow : DWORD -> "dword"
# colorHigh : DWORD -> "dword"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。