GdipCreateBitmapFromGraphics

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

Status GdipCreateBitmapFromGraphics(
    INT width,
    INT height,
    GpGraphics* target,
    GpBitmap** bitmap
);

<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateBitmapFromGraphics(
    width As Integer,   ' INT
    height As Integer,   ' INT
    target As IntPtr,   ' GpGraphics* in/out
    bitmap As IntPtr   ' GpBitmap** in/out
) As Integer
End Function

' width : INT
' height : INT
' target : GpGraphics* in/out
' bitmap : GpBitmap** in/out
Declare PtrSafe Function GdipCreateBitmapFromGraphics Lib "gdiplus" ( _
    ByVal width As Long, _
    ByVal height As Long, _
    ByVal target As LongPtr, _
    ByVal bitmap As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

GdipCreateBitmapFromGraphics = ctypes.windll.gdiplus.GdipCreateBitmapFromGraphics
GdipCreateBitmapFromGraphics.restype = ctypes.c_int
GdipCreateBitmapFromGraphics.argtypes = [
    ctypes.c_int,  # width : INT
    ctypes.c_int,  # height : INT
    ctypes.c_void_p,  # target : GpGraphics* in/out
    ctypes.c_void_p,  # bitmap : GpBitmap** in/out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateBitmapFromGraphics = Fiddle::Function.new(
  lib['GdipCreateBitmapFromGraphics'],
  [
    Fiddle::TYPE_INT,  # width : INT
    Fiddle::TYPE_INT,  # height : INT
    Fiddle::TYPE_VOIDP,  # target : GpGraphics* in/out
    Fiddle::TYPE_VOIDP,  # bitmap : GpBitmap** in/out
  ],
  Fiddle::TYPE_INT)

#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateBitmapFromGraphics(
        width: i32,  // INT
        height: i32,  // INT
        target: *mut GpGraphics,  // GpGraphics* in/out
        bitmap: *mut *mut GpBitmap  // GpBitmap** in/out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateBitmapFromGraphics(int width, int height, IntPtr target, IntPtr bitmap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateBitmapFromGraphics' -Namespace Win32 -PassThru
# $api::GdipCreateBitmapFromGraphics(width, height, target, bitmap)

#uselib "gdiplus.dll"
#func global GdipCreateBitmapFromGraphics "GdipCreateBitmapFromGraphics" sptr, sptr, sptr, sptr
; GdipCreateBitmapFromGraphics width, height, varptr(target), varptr(bitmap)   ; 戻り値は stat
; width : INT -> "sptr"
; height : INT -> "sptr"
; target : GpGraphics* in/out -> "sptr"
; bitmap : GpBitmap** in/out -> "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 GdipCreateBitmapFromGraphics "GdipCreateBitmapFromGraphics" int, int, var, var
; res = GdipCreateBitmapFromGraphics(width, height, target, bitmap)
; width : INT -> "int"
; height : INT -> "int"
; target : GpGraphics* in/out -> "var"
; bitmap : GpBitmap** in/out -> "var"
; ※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 GdipCreateBitmapFromGraphics(INT width, INT height, GpGraphics* target, GpBitmap** bitmap)
#uselib "gdiplus.dll"
#cfunc global GdipCreateBitmapFromGraphics "GdipCreateBitmapFromGraphics" int, int, var, var
; res = GdipCreateBitmapFromGraphics(width, height, target, bitmap)
; width : INT -> "int"
; height : INT -> "int"
; target : GpGraphics* in/out -> "var"
; bitmap : GpBitmap** in/out -> "var"
; ※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")
	procGdipCreateBitmapFromGraphics = gdiplus.NewProc("GdipCreateBitmapFromGraphics")
)

// width (INT), height (INT), target (GpGraphics* in/out), bitmap (GpBitmap** in/out)
r1, _, err := procGdipCreateBitmapFromGraphics.Call(
	uintptr(width),
	uintptr(height),
	uintptr(target),
	uintptr(bitmap),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status

function GdipCreateBitmapFromGraphics(
  width: Integer;   // INT
  height: Integer;   // INT
  target: Pointer;   // GpGraphics* in/out
  bitmap: Pointer   // GpBitmap** in/out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateBitmapFromGraphics';

result := DllCall("gdiplus\GdipCreateBitmapFromGraphics"
    , "Int", width   ; INT
    , "Int", height   ; INT
    , "Ptr", target   ; GpGraphics* in/out
    , "Ptr", bitmap   ; GpBitmap** in/out
    , "Int")   ; return: Status

●GdipCreateBitmapFromGraphics(width, height, target, bitmap) = DLL("gdiplus.dll", "int GdipCreateBitmapFromGraphics(int, int, void*, void*)")
# 呼び出し: GdipCreateBitmapFromGraphics(width, height, target, bitmap)
# width : INT -> "int"
# height : INT -> "int"
# target : GpGraphics* in/out -> "void*"
# bitmap : GpBitmap** in/out -> "void*"
# 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)。