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GdipBitmapGetHistogramSize
関数指定形式のヒストグラムのエントリ数を取得する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipBitmapGetHistogramSize(
HistogramFormat format,
DWORD* NumberOfEntries
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| format | HistogramFormat | in | 対象とするヒストグラムのチャネル構成を示すHistogramFormat列挙値。 |
| NumberOfEntries | DWORD* | inout | 各チャネルに必要なエントリ数を受け取る出力先DWORDポインタ(通常256)。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipBitmapGetHistogramSize(
HistogramFormat format,
DWORD* NumberOfEntries
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipBitmapGetHistogramSize(
int format, // HistogramFormat
ref uint NumberOfEntries // DWORD* in/out
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipBitmapGetHistogramSize(
format As Integer, ' HistogramFormat
ByRef NumberOfEntries As UInteger ' DWORD* in/out
) As Integer
End Function' format : HistogramFormat
' NumberOfEntries : DWORD* in/out
Declare PtrSafe Function GdipBitmapGetHistogramSize Lib "gdiplus" ( _
ByVal format As Long, _
ByRef NumberOfEntries 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
GdipBitmapGetHistogramSize = ctypes.windll.gdiplus.GdipBitmapGetHistogramSize
GdipBitmapGetHistogramSize.restype = ctypes.c_int
GdipBitmapGetHistogramSize.argtypes = [
ctypes.c_int, # format : HistogramFormat
ctypes.POINTER(wintypes.DWORD), # NumberOfEntries : DWORD* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipBitmapGetHistogramSize = Fiddle::Function.new(
lib['GdipBitmapGetHistogramSize'],
[
Fiddle::TYPE_INT, # format : HistogramFormat
Fiddle::TYPE_VOIDP, # NumberOfEntries : DWORD* in/out
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipBitmapGetHistogramSize(
format: i32, // HistogramFormat
NumberOfEntries: *mut u32 // DWORD* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipBitmapGetHistogramSize(int format, ref uint NumberOfEntries);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipBitmapGetHistogramSize' -Namespace Win32 -PassThru
# $api::GdipBitmapGetHistogramSize(format, NumberOfEntries)#uselib "gdiplus.dll"
#func global GdipBitmapGetHistogramSize "GdipBitmapGetHistogramSize" sptr, sptr
; GdipBitmapGetHistogramSize format, varptr(NumberOfEntries) ; 戻り値は stat
; format : HistogramFormat -> "sptr"
; NumberOfEntries : DWORD* 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。出力引数:
#uselib "gdiplus.dll" #cfunc global GdipBitmapGetHistogramSize "GdipBitmapGetHistogramSize" int, var ; res = GdipBitmapGetHistogramSize(format, NumberOfEntries) ; format : HistogramFormat -> "int" ; NumberOfEntries : DWORD* 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。#uselib "gdiplus.dll" #cfunc global GdipBitmapGetHistogramSize "GdipBitmapGetHistogramSize" int, sptr ; res = GdipBitmapGetHistogramSize(format, varptr(NumberOfEntries)) ; format : HistogramFormat -> "int" ; NumberOfEntries : DWORD* in/out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; Status GdipBitmapGetHistogramSize(HistogramFormat format, DWORD* NumberOfEntries) #uselib "gdiplus.dll" #cfunc global GdipBitmapGetHistogramSize "GdipBitmapGetHistogramSize" int, var ; res = GdipBitmapGetHistogramSize(format, NumberOfEntries) ; format : HistogramFormat -> "int" ; NumberOfEntries : DWORD* 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 GdipBitmapGetHistogramSize(HistogramFormat format, DWORD* NumberOfEntries) #uselib "gdiplus.dll" #cfunc global GdipBitmapGetHistogramSize "GdipBitmapGetHistogramSize" int, intptr ; res = GdipBitmapGetHistogramSize(format, varptr(NumberOfEntries)) ; format : HistogramFormat -> "int" ; NumberOfEntries : DWORD* in/out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
procGdipBitmapGetHistogramSize = gdiplus.NewProc("GdipBitmapGetHistogramSize")
)
// format (HistogramFormat), NumberOfEntries (DWORD* in/out)
r1, _, err := procGdipBitmapGetHistogramSize.Call(
uintptr(format),
uintptr(NumberOfEntries),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Statusfunction GdipBitmapGetHistogramSize(
format: Integer; // HistogramFormat
NumberOfEntries: Pointer // DWORD* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipBitmapGetHistogramSize';result := DllCall("gdiplus\GdipBitmapGetHistogramSize"
, "Int", format ; HistogramFormat
, "Ptr", NumberOfEntries ; DWORD* in/out
, "Int") ; return: Status●GdipBitmapGetHistogramSize(format, NumberOfEntries) = DLL("gdiplus.dll", "int GdipBitmapGetHistogramSize(int, void*)")
# 呼び出し: GdipBitmapGetHistogramSize(format, NumberOfEntries)
# format : HistogramFormat -> "int"
# NumberOfEntries : DWORD* 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)。const std = @import("std");
extern "gdiplus" fn GdipBitmapGetHistogramSize(
format: i32, // HistogramFormat
NumberOfEntries: [*c]u32 // DWORD* in/out
) callconv(std.os.windows.WINAPI) i32;proc GdipBitmapGetHistogramSize(
format: int32, # HistogramFormat
NumberOfEntries: ptr uint32 # DWORD* in/out
): int32 {.importc: "GdipBitmapGetHistogramSize", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipBitmapGetHistogramSize(
int format, // HistogramFormat
uint* NumberOfEntries // DWORD* in/out
);ccall((:GdipBitmapGetHistogramSize, "gdiplus.dll"), stdcall, Int32,
(Int32, Ptr{UInt32}),
format, NumberOfEntries)
# format : HistogramFormat -> Int32
# NumberOfEntries : DWORD* in/out -> Ptr{UInt32}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t GdipBitmapGetHistogramSize(
int32_t format,
uint32_t* NumberOfEntries);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipBitmapGetHistogramSize(format, NumberOfEntries)
-- format : HistogramFormat
-- NumberOfEntries : DWORD* in/out
-- 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 GdipBitmapGetHistogramSize = lib.func('__stdcall', 'GdipBitmapGetHistogramSize', 'int32_t', ['int32_t', 'uint32_t *']);
// GdipBitmapGetHistogramSize(format, NumberOfEntries)
// format : HistogramFormat -> 'int32_t'
// NumberOfEntries : DWORD* in/out -> 'uint32_t *'
// 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", {
GdipBitmapGetHistogramSize: { parameters: ["i32", "pointer"], result: "i32" },
});
// lib.symbols.GdipBitmapGetHistogramSize(format, NumberOfEntries)
// format : HistogramFormat -> "i32"
// NumberOfEntries : DWORD* in/out -> "pointer"
// 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 GdipBitmapGetHistogramSize(
int32_t format,
uint32_t* NumberOfEntries);
C, "gdiplus.dll");
// $ffi->GdipBitmapGetHistogramSize(format, NumberOfEntries);
// format : HistogramFormat
// NumberOfEntries : DWORD* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipBitmapGetHistogramSize(
int format, // HistogramFormat
IntByReference NumberOfEntries // DWORD* in/out
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipBitmapGetHistogramSize = GdipBitmapGetHistogramSize(
format : Int32, # HistogramFormat
NumberOfEntries : UInt32* # DWORD* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipBitmapGetHistogramSizeNative = Int32 Function(Int32, Pointer<Uint32>);
typedef GdipBitmapGetHistogramSizeDart = int Function(int, Pointer<Uint32>);
final GdipBitmapGetHistogramSize = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipBitmapGetHistogramSizeNative, GdipBitmapGetHistogramSizeDart>('GdipBitmapGetHistogramSize');
// format : HistogramFormat -> Int32
// NumberOfEntries : DWORD* in/out -> Pointer<Uint32>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipBitmapGetHistogramSize(
format: Integer; // HistogramFormat
NumberOfEntries: Pointer // DWORD* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipBitmapGetHistogramSize';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipBitmapGetHistogramSize"
c_GdipBitmapGetHistogramSize :: Int32 -> Ptr Word32 -> IO Int32
-- format : HistogramFormat -> Int32
-- NumberOfEntries : DWORD* in/out -> Ptr Word32
-- 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 gdipbitmapgethistogramsize =
foreign "GdipBitmapGetHistogramSize"
(int32_t @-> (ptr uint32_t) @-> returning int32_t)
(* format : HistogramFormat -> int32_t *)
(* NumberOfEntries : DWORD* in/out -> (ptr uint32_t) *)
(* 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 ("GdipBitmapGetHistogramSize" gdip-bitmap-get-histogram-size :convention :stdcall) :int32
(format :int32) ; HistogramFormat
(number-of-entries :pointer)) ; DWORD* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipBitmapGetHistogramSize = Win32::API::More->new('gdiplus',
'int GdipBitmapGetHistogramSize(int format, LPVOID NumberOfEntries)');
# my $ret = $GdipBitmapGetHistogramSize->Call($format, $NumberOfEntries);
# format : HistogramFormat -> int
# NumberOfEntries : DWORD* in/out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。