GdipBitmapConvertFormat

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

Status GdipBitmapConvertFormat(
    GpBitmap* pInputBitmap,
    INT format,
    DitherType dithertype,
    PaletteType palettetype,
    ColorPalette* palette,
    FLOAT alphaThresholdPercent
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipBitmapConvertFormat(
    pInputBitmap As IntPtr,   ' GpBitmap* in/out
    format As Integer,   ' INT
    dithertype As Integer,   ' DitherType
    palettetype As Integer,   ' PaletteType
    palette As IntPtr,   ' ColorPalette* in/out
    alphaThresholdPercent As Single   ' FLOAT
) As Integer
End Function

' pInputBitmap : GpBitmap* in/out
' format : INT
' dithertype : DitherType
' palettetype : PaletteType
' palette : ColorPalette* in/out
' alphaThresholdPercent : FLOAT
Declare PtrSafe Function GdipBitmapConvertFormat Lib "gdiplus" ( _
    ByVal pInputBitmap As LongPtr, _
    ByVal format As Long, _
    ByVal dithertype As Long, _
    ByVal palettetype As Long, _
    ByVal palette As LongPtr, _
    ByVal alphaThresholdPercent As Single) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipBitmapConvertFormat = ctypes.windll.gdiplus.GdipBitmapConvertFormat
GdipBitmapConvertFormat.restype = ctypes.c_int
GdipBitmapConvertFormat.argtypes = [
    ctypes.c_void_p,  # pInputBitmap : GpBitmap* in/out
    ctypes.c_int,  # format : INT
    ctypes.c_int,  # dithertype : DitherType
    ctypes.c_int,  # palettetype : PaletteType
    ctypes.c_void_p,  # palette : ColorPalette* in/out
    ctypes.c_float,  # alphaThresholdPercent : FLOAT
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipBitmapConvertFormat = Fiddle::Function.new(
  lib['GdipBitmapConvertFormat'],
  [
    Fiddle::TYPE_VOIDP,  # pInputBitmap : GpBitmap* in/out
    Fiddle::TYPE_INT,  # format : INT
    Fiddle::TYPE_INT,  # dithertype : DitherType
    Fiddle::TYPE_INT,  # palettetype : PaletteType
    Fiddle::TYPE_VOIDP,  # palette : ColorPalette* in/out
    Fiddle::TYPE_FLOAT,  # alphaThresholdPercent : FLOAT
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipBitmapConvertFormat(
        pInputBitmap: *mut GpBitmap,  // GpBitmap* in/out
        format: i32,  // INT
        dithertype: i32,  // DitherType
        palettetype: i32,  // PaletteType
        palette: *mut ColorPalette,  // ColorPalette* in/out
        alphaThresholdPercent: f32  // FLOAT
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipBitmapConvertFormat(IntPtr pInputBitmap, int format, int dithertype, int palettetype, IntPtr palette, float alphaThresholdPercent);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipBitmapConvertFormat' -Namespace Win32 -PassThru
# $api::GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)

#uselib "gdiplus.dll"
#func global GdipBitmapConvertFormat "GdipBitmapConvertFormat" sptr, sptr, sptr, sptr, sptr, float
; GdipBitmapConvertFormat varptr(pInputBitmap), format, dithertype, palettetype, varptr(palette), alphaThresholdPercent   ; 戻り値は stat
; pInputBitmap : GpBitmap* in/out -> "sptr"
; format : INT -> "sptr"
; dithertype : DitherType -> "sptr"
; palettetype : PaletteType -> "sptr"
; palette : ColorPalette* in/out -> "sptr"
; alphaThresholdPercent : FLOAT -> "float"
; ※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。

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

var (
	gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
	procGdipBitmapConvertFormat = gdiplus.NewProc("GdipBitmapConvertFormat")
)

// pInputBitmap (GpBitmap* in/out), format (INT), dithertype (DitherType), palettetype (PaletteType), palette (ColorPalette* in/out), alphaThresholdPercent (FLOAT)
r1, _, err := procGdipBitmapConvertFormat.Call(
	uintptr(pInputBitmap),
	uintptr(format),
	uintptr(dithertype),
	uintptr(palettetype),
	uintptr(palette),
	uintptr(math.Float32bits(alphaThresholdPercent)),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
// 注意: float/double 引数は proc.Call では XMM レジスタに渡せません。
// windows.SyscallN(proc.Addr(), math.Float64bits(x), ...) もしくは cgo を使用してください。

function GdipBitmapConvertFormat(
  pInputBitmap: Pointer;   // GpBitmap* in/out
  format: Integer;   // INT
  dithertype: Integer;   // DitherType
  palettetype: Integer;   // PaletteType
  palette: Pointer;   // ColorPalette* in/out
  alphaThresholdPercent: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipBitmapConvertFormat';

result := DllCall("gdiplus\GdipBitmapConvertFormat"
    , "Ptr", pInputBitmap   ; GpBitmap* in/out
    , "Int", format   ; INT
    , "Int", dithertype   ; DitherType
    , "Int", palettetype   ; PaletteType
    , "Ptr", palette   ; ColorPalette* in/out
    , "Float", alphaThresholdPercent   ; FLOAT
    , "Int")   ; return: Status

●GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent) = DLL("gdiplus.dll", "int GdipBitmapConvertFormat(void*, int, int, int, void*, float)")
# 呼び出し: GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)
# pInputBitmap : GpBitmap* in/out -> "void*"
# format : INT -> "int"
# dithertype : DitherType -> "int"
# palettetype : PaletteType -> "int"
# palette : ColorPalette* in/out -> "void*"
# alphaThresholdPercent : FLOAT -> "float"
# 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)。

const std = @import("std");

extern "gdiplus" fn GdipBitmapConvertFormat(
    pInputBitmap: [*c]GpBitmap, // GpBitmap* in/out
    format: i32, // INT
    dithertype: i32, // DitherType
    palettetype: i32, // PaletteType
    palette: [*c]ColorPalette, // ColorPalette* in/out
    alphaThresholdPercent: f32 // FLOAT
) callconv(std.os.windows.WINAPI) i32;

proc GdipBitmapConvertFormat(
    pInputBitmap: ptr GpBitmap,  # GpBitmap* in/out
    format: int32,  # INT
    dithertype: int32,  # DitherType
    palettetype: int32,  # PaletteType
    palette: ptr ColorPalette,  # ColorPalette* in/out
    alphaThresholdPercent: float32  # FLOAT
): int32 {.importc: "GdipBitmapConvertFormat", stdcall, dynlib: "gdiplus.dll".}

pragma(lib, "gdiplus");
extern(Windows)
int GdipBitmapConvertFormat(
    GpBitmap* pInputBitmap,   // GpBitmap* in/out
    int format,   // INT
    int dithertype,   // DitherType
    int palettetype,   // PaletteType
    ColorPalette* palette,   // ColorPalette* in/out
    float alphaThresholdPercent   // FLOAT
);

ccall((:GdipBitmapConvertFormat, "gdiplus.dll"), stdcall, Int32,
      (Ptr{GpBitmap}, Int32, Int32, Int32, Ptr{ColorPalette}, Float32),
      pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)
# pInputBitmap : GpBitmap* in/out -> Ptr{GpBitmap}
# format : INT -> Int32
# dithertype : DitherType -> Int32
# palettetype : PaletteType -> Int32
# palette : ColorPalette* in/out -> Ptr{ColorPalette}
# alphaThresholdPercent : FLOAT -> Float32
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
int32_t GdipBitmapConvertFormat(
    void* pInputBitmap,
    int32_t format,
    int32_t dithertype,
    int32_t palettetype,
    void* palette,
    float alphaThresholdPercent);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)
-- pInputBitmap : GpBitmap* in/out
-- format : INT
-- dithertype : DitherType
-- palettetype : PaletteType
-- palette : ColorPalette* in/out
-- alphaThresholdPercent : FLOAT
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('gdiplus.dll');
const GdipBitmapConvertFormat = lib.func('__stdcall', 'GdipBitmapConvertFormat', 'int32_t', ['void *', 'int32_t', 'int32_t', 'int32_t', 'void *', 'float']);
// GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)
// pInputBitmap : GpBitmap* in/out -> 'void *'
// format : INT -> 'int32_t'
// dithertype : DitherType -> 'int32_t'
// palettetype : PaletteType -> 'int32_t'
// palette : ColorPalette* in/out -> 'void *'
// alphaThresholdPercent : FLOAT -> 'float'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。

const lib = Deno.dlopen("gdiplus.dll", {
  GdipBitmapConvertFormat: { parameters: ["pointer", "i32", "i32", "i32", "pointer", "f32"], result: "i32" },
});
// lib.symbols.GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent)
// pInputBitmap : GpBitmap* in/out -> "pointer"
// format : INT -> "i32"
// dithertype : DitherType -> "i32"
// palettetype : PaletteType -> "i32"
// palette : ColorPalette* in/out -> "pointer"
// alphaThresholdPercent : FLOAT -> "f32"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
int32_t GdipBitmapConvertFormat(
    void* pInputBitmap,
    int32_t format,
    int32_t dithertype,
    int32_t palettetype,
    void* palette,
    float alphaThresholdPercent);
C, "gdiplus.dll");
// $ffi->GdipBitmapConvertFormat(pInputBitmap, format, dithertype, palettetype, palette, alphaThresholdPercent);
// pInputBitmap : GpBitmap* in/out
// format : INT
// dithertype : DitherType
// palettetype : PaletteType
// palette : ColorPalette* in/out
// alphaThresholdPercent : FLOAT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Gdiplus extends StdCallLibrary {
    Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
    int GdipBitmapConvertFormat(
        Pointer pInputBitmap,   // GpBitmap* in/out
        int format,   // INT
        int dithertype,   // DitherType
        int palettetype,   // PaletteType
        Pointer palette,   // ColorPalette* in/out
        float alphaThresholdPercent   // FLOAT
    );
}

@[Link("gdiplus")]
lib Libgdiplus
  fun GdipBitmapConvertFormat = GdipBitmapConvertFormat(
    pInputBitmap : GpBitmap*,   # GpBitmap* in/out
    format : Int32,   # INT
    dithertype : Int32,   # DitherType
    palettetype : Int32,   # PaletteType
    palette : ColorPalette*,   # ColorPalette* in/out
    alphaThresholdPercent : Float32   # FLOAT
  ) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef GdipBitmapConvertFormatNative = Int32 Function(Pointer<Void>, Int32, Int32, Int32, Pointer<Void>, Float);
typedef GdipBitmapConvertFormatDart = int Function(Pointer<Void>, int, int, int, Pointer<Void>, double);
final GdipBitmapConvertFormat = DynamicLibrary.open('gdiplus.dll')
    .lookupFunction<GdipBitmapConvertFormatNative, GdipBitmapConvertFormatDart>('GdipBitmapConvertFormat');
// pInputBitmap : GpBitmap* in/out -> Pointer<Void>
// format : INT -> Int32
// dithertype : DitherType -> Int32
// palettetype : PaletteType -> Int32
// palette : ColorPalette* in/out -> Pointer<Void>
// alphaThresholdPercent : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function GdipBitmapConvertFormat(
  pInputBitmap: Pointer;   // GpBitmap* in/out
  format: Integer;   // INT
  dithertype: Integer;   // DitherType
  palettetype: Integer;   // PaletteType
  palette: Pointer;   // ColorPalette* in/out
  alphaThresholdPercent: Single   // FLOAT
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipBitmapConvertFormat';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "GdipBitmapConvertFormat"
  c_GdipBitmapConvertFormat :: Ptr () -> Int32 -> Int32 -> Int32 -> Ptr () -> CFloat -> IO Int32
-- pInputBitmap : GpBitmap* in/out -> Ptr ()
-- format : INT -> Int32
-- dithertype : DitherType -> Int32
-- palettetype : PaletteType -> Int32
-- palette : ColorPalette* in/out -> Ptr ()
-- alphaThresholdPercent : FLOAT -> CFloat
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let gdipbitmapconvertformat =
  foreign "GdipBitmapConvertFormat"
    ((ptr void) @-> int32_t @-> int32_t @-> int32_t @-> (ptr void) @-> float @-> returning int32_t)
(* pInputBitmap : GpBitmap* in/out -> (ptr void) *)
(* format : INT -> int32_t *)
(* dithertype : DitherType -> int32_t *)
(* palettetype : PaletteType -> int32_t *)
(* palette : ColorPalette* in/out -> (ptr void) *)
(* alphaThresholdPercent : FLOAT -> float *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library gdiplus (t "gdiplus.dll"))
(cffi:use-foreign-library gdiplus)

(cffi:defcfun ("GdipBitmapConvertFormat" gdip-bitmap-convert-format :convention :stdcall) :int32
  (p-input-bitmap :pointer)   ; GpBitmap* in/out
  (format :int32)   ; INT
  (dithertype :int32)   ; DitherType
  (palettetype :int32)   ; PaletteType
  (palette :pointer)   ; ColorPalette* in/out
  (alpha-threshold-percent :float))   ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $GdipBitmapConvertFormat = Win32::API::More->new('gdiplus',
    'int GdipBitmapConvertFormat(LPVOID pInputBitmap, int format, int dithertype, int palettetype, LPVOID palette, float alphaThresholdPercent)');
# my $ret = $GdipBitmapConvertFormat->Call($pInputBitmap, $format, $dithertype, $palettetype, $palette, $alphaThresholdPercent);
# pInputBitmap : GpBitmap* in/out -> LPVOID
# format : INT -> int
# dithertype : DitherType -> int
# palettetype : PaletteType -> int
# palette : ColorPalette* in/out -> LPVOID
# alphaThresholdPercent : FLOAT -> float
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。