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GdipDrawImage
関数指定座標に画像を原寸で描画する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipDrawImage(
GpGraphics* graphics,
GpImage* image,
FLOAT x,
FLOAT y
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| graphics | GpGraphics* | inout | 描画先のGDI+グラフィックスオブジェクトへのポインタ。 |
| image | GpImage* | inout | 描画する画像オブジェクトへのポインタ。 |
| x | FLOAT | in | 描画先左上隅のX座標(浮動小数)。 |
| y | FLOAT | in | 描画先左上隅のY座標(浮動小数)。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipDrawImage(
GpGraphics* graphics,
GpImage* image,
FLOAT x,
FLOAT y
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipDrawImage(
IntPtr graphics, // GpGraphics* in/out
IntPtr image, // GpImage* in/out
float x, // FLOAT
float y // FLOAT
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipDrawImage(
graphics As IntPtr, ' GpGraphics* in/out
image As IntPtr, ' GpImage* in/out
x As Single, ' FLOAT
y As Single ' FLOAT
) As Integer
End Function' graphics : GpGraphics* in/out
' image : GpImage* in/out
' x : FLOAT
' y : FLOAT
Declare PtrSafe Function GdipDrawImage Lib "gdiplus" ( _
ByVal graphics As LongPtr, _
ByVal image As LongPtr, _
ByVal x As Single, _
ByVal y 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
GdipDrawImage = ctypes.windll.gdiplus.GdipDrawImage
GdipDrawImage.restype = ctypes.c_int
GdipDrawImage.argtypes = [
ctypes.c_void_p, # graphics : GpGraphics* in/out
ctypes.c_void_p, # image : GpImage* in/out
ctypes.c_float, # x : FLOAT
ctypes.c_float, # y : FLOAT
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipDrawImage = Fiddle::Function.new(
lib['GdipDrawImage'],
[
Fiddle::TYPE_VOIDP, # graphics : GpGraphics* in/out
Fiddle::TYPE_VOIDP, # image : GpImage* in/out
Fiddle::TYPE_FLOAT, # x : FLOAT
Fiddle::TYPE_FLOAT, # y : FLOAT
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipDrawImage(
graphics: *mut GpGraphics, // GpGraphics* in/out
image: *mut GpImage, // GpImage* in/out
x: f32, // FLOAT
y: f32 // FLOAT
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipDrawImage(IntPtr graphics, IntPtr image, float x, float y);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipDrawImage' -Namespace Win32 -PassThru
# $api::GdipDrawImage(graphics, image, x, y)#uselib "gdiplus.dll"
#func global GdipDrawImage "GdipDrawImage" sptr, sptr, float, float
; GdipDrawImage varptr(graphics), varptr(image), x, y ; 戻り値は stat
; graphics : GpGraphics* in/out -> "sptr"
; image : GpImage* in/out -> "sptr"
; x : FLOAT -> "float"
; y : 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。出力引数:
#uselib "gdiplus.dll" #cfunc global GdipDrawImage "GdipDrawImage" var, var, float, float ; res = GdipDrawImage(graphics, image, x, y) ; graphics : GpGraphics* in/out -> "var" ; image : GpImage* in/out -> "var" ; x : FLOAT -> "float" ; y : FLOAT -> "float" ; ※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 GdipDrawImage "GdipDrawImage" sptr, sptr, float, float ; res = GdipDrawImage(varptr(graphics), varptr(image), x, y) ; graphics : GpGraphics* in/out -> "sptr" ; image : GpImage* in/out -> "sptr" ; x : FLOAT -> "float" ; y : FLOAT -> "float" ; ※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 GdipDrawImage(GpGraphics* graphics, GpImage* image, FLOAT x, FLOAT y) #uselib "gdiplus.dll" #cfunc global GdipDrawImage "GdipDrawImage" var, var, float, float ; res = GdipDrawImage(graphics, image, x, y) ; graphics : GpGraphics* in/out -> "var" ; image : GpImage* in/out -> "var" ; x : FLOAT -> "float" ; y : FLOAT -> "float" ; ※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 GdipDrawImage(GpGraphics* graphics, GpImage* image, FLOAT x, FLOAT y) #uselib "gdiplus.dll" #cfunc global GdipDrawImage "GdipDrawImage" intptr, intptr, float, float ; res = GdipDrawImage(varptr(graphics), varptr(image), x, y) ; graphics : GpGraphics* in/out -> "intptr" ; image : GpImage* in/out -> "intptr" ; x : FLOAT -> "float" ; y : FLOAT -> "float" ; ※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 (
"math"
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdiplus = windows.NewLazySystemDLL("gdiplus.dll")
procGdipDrawImage = gdiplus.NewProc("GdipDrawImage")
)
// graphics (GpGraphics* in/out), image (GpImage* in/out), x (FLOAT), y (FLOAT)
r1, _, err := procGdipDrawImage.Call(
uintptr(graphics),
uintptr(image),
uintptr(math.Float32bits(x)),
uintptr(math.Float32bits(y)),
)
_ = 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 GdipDrawImage(
graphics: Pointer; // GpGraphics* in/out
image: Pointer; // GpImage* in/out
x: Single; // FLOAT
y: Single // FLOAT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawImage';result := DllCall("gdiplus\GdipDrawImage"
, "Ptr", graphics ; GpGraphics* in/out
, "Ptr", image ; GpImage* in/out
, "Float", x ; FLOAT
, "Float", y ; FLOAT
, "Int") ; return: Status●GdipDrawImage(graphics, image, x, y) = DLL("gdiplus.dll", "int GdipDrawImage(void*, void*, float, float)")
# 呼び出し: GdipDrawImage(graphics, image, x, y)
# graphics : GpGraphics* in/out -> "void*"
# image : GpImage* in/out -> "void*"
# x : FLOAT -> "float"
# y : 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 GdipDrawImage(
graphics: [*c]GpGraphics, // GpGraphics* in/out
image: [*c]GpImage, // GpImage* in/out
x: f32, // FLOAT
y: f32 // FLOAT
) callconv(std.os.windows.WINAPI) i32;proc GdipDrawImage(
graphics: ptr GpGraphics, # GpGraphics* in/out
image: ptr GpImage, # GpImage* in/out
x: float32, # FLOAT
y: float32 # FLOAT
): int32 {.importc: "GdipDrawImage", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipDrawImage(
GpGraphics* graphics, // GpGraphics* in/out
GpImage* image, // GpImage* in/out
float x, // FLOAT
float y // FLOAT
);ccall((:GdipDrawImage, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpGraphics}, Ptr{GpImage}, Float32, Float32),
graphics, image, x, y)
# graphics : GpGraphics* in/out -> Ptr{GpGraphics}
# image : GpImage* in/out -> Ptr{GpImage}
# x : FLOAT -> Float32
# y : 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 GdipDrawImage(
void* graphics,
void* image,
float x,
float y);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipDrawImage(graphics, image, x, y)
-- graphics : GpGraphics* in/out
-- image : GpImage* in/out
-- x : FLOAT
-- y : 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 GdipDrawImage = lib.func('__stdcall', 'GdipDrawImage', 'int32_t', ['void *', 'void *', 'float', 'float']);
// GdipDrawImage(graphics, image, x, y)
// graphics : GpGraphics* in/out -> 'void *'
// image : GpImage* in/out -> 'void *'
// x : FLOAT -> 'float'
// y : 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", {
GdipDrawImage: { parameters: ["pointer", "pointer", "f32", "f32"], result: "i32" },
});
// lib.symbols.GdipDrawImage(graphics, image, x, y)
// graphics : GpGraphics* in/out -> "pointer"
// image : GpImage* in/out -> "pointer"
// x : FLOAT -> "f32"
// y : 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 GdipDrawImage(
void* graphics,
void* image,
float x,
float y);
C, "gdiplus.dll");
// $ffi->GdipDrawImage(graphics, image, x, y);
// graphics : GpGraphics* in/out
// image : GpImage* in/out
// x : FLOAT
// y : FLOAT
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipDrawImage(
Pointer graphics, // GpGraphics* in/out
Pointer image, // GpImage* in/out
float x, // FLOAT
float y // FLOAT
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipDrawImage = GdipDrawImage(
graphics : GpGraphics*, # GpGraphics* in/out
image : GpImage*, # GpImage* in/out
x : Float32, # FLOAT
y : Float32 # FLOAT
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipDrawImageNative = Int32 Function(Pointer<Void>, Pointer<Void>, Float, Float);
typedef GdipDrawImageDart = int Function(Pointer<Void>, Pointer<Void>, double, double);
final GdipDrawImage = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipDrawImageNative, GdipDrawImageDart>('GdipDrawImage');
// graphics : GpGraphics* in/out -> Pointer<Void>
// image : GpImage* in/out -> Pointer<Void>
// x : FLOAT -> Float
// y : FLOAT -> Float
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipDrawImage(
graphics: Pointer; // GpGraphics* in/out
image: Pointer; // GpImage* in/out
x: Single; // FLOAT
y: Single // FLOAT
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipDrawImage';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipDrawImage"
c_GdipDrawImage :: Ptr () -> Ptr () -> CFloat -> CFloat -> IO Int32
-- graphics : GpGraphics* in/out -> Ptr ()
-- image : GpImage* in/out -> Ptr ()
-- x : FLOAT -> CFloat
-- y : 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 gdipdrawimage =
foreign "GdipDrawImage"
((ptr void) @-> (ptr void) @-> float @-> float @-> returning int32_t)
(* graphics : GpGraphics* in/out -> (ptr void) *)
(* image : GpImage* in/out -> (ptr void) *)
(* x : FLOAT -> float *)
(* y : 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 ("GdipDrawImage" gdip-draw-image :convention :stdcall) :int32
(graphics :pointer) ; GpGraphics* in/out
(image :pointer) ; GpImage* in/out
(x :float) ; FLOAT
(y :float)) ; FLOAT
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipDrawImage = Win32::API::More->new('gdiplus',
'int GdipDrawImage(LPVOID graphics, LPVOID image, float x, float y)');
# my $ret = $GdipDrawImage->Call($graphics, $image, $x, $y);
# graphics : GpGraphics* in/out -> LPVOID
# image : GpImage* in/out -> LPVOID
# x : FLOAT -> float
# y : FLOAT -> float
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。