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BitBlt
関数デバイスコンテキスト間でビットマップのブロック転送を行う。
シグネチャ
// GDI32.dll
#include <windows.h>
BOOL BitBlt(
HDC hdc,
INT x,
INT y,
INT cx,
INT cy,
HDC hdcSrc, // optional
INT x1,
INT y1,
ROP_CODE rop
);パラメーター
| 名前 | 型 | 方向 |
|---|---|---|
| hdc | HDC | in |
| x | INT | in |
| y | INT | in |
| cx | INT | in |
| cy | INT | in |
| hdcSrc | HDC | inoptional |
| x1 | INT | in |
| y1 | INT | in |
| rop | ROP_CODE | in |
戻り値の型: BOOL
各言語での呼び出し定義
// GDI32.dll
#include <windows.h>
BOOL BitBlt(
HDC hdc,
INT x,
INT y,
INT cx,
INT cy,
HDC hdcSrc, // optional
INT x1,
INT y1,
ROP_CODE rop
);[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", SetLastError = true, ExactSpelling = true)]
static extern bool BitBlt(
IntPtr hdc, // HDC
int x, // INT
int y, // INT
int cx, // INT
int cy, // INT
IntPtr hdcSrc, // HDC optional
int x1, // INT
int y1, // INT
uint rop // ROP_CODE
);<DllImport("GDI32.dll", SetLastError:=True, ExactSpelling:=True)>
Public Shared Function BitBlt(
hdc As IntPtr, ' HDC
x As Integer, ' INT
y As Integer, ' INT
cx As Integer, ' INT
cy As Integer, ' INT
hdcSrc As IntPtr, ' HDC optional
x1 As Integer, ' INT
y1 As Integer, ' INT
rop As UInteger ' ROP_CODE
) As Boolean
End Function' hdc : HDC
' x : INT
' y : INT
' cx : INT
' cy : INT
' hdcSrc : HDC optional
' x1 : INT
' y1 : INT
' rop : ROP_CODE
Declare PtrSafe Function BitBlt Lib "gdi32" ( _
ByVal hdc As LongPtr, _
ByVal x As Long, _
ByVal y As Long, _
ByVal cx As Long, _
ByVal cy As Long, _
ByVal hdcSrc As LongPtr, _
ByVal x1 As Long, _
ByVal y1 As Long, _
ByVal rop 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
BitBlt = ctypes.windll.gdi32.BitBlt
BitBlt.restype = wintypes.BOOL
BitBlt.argtypes = [
wintypes.HANDLE, # hdc : HDC
ctypes.c_int, # x : INT
ctypes.c_int, # y : INT
ctypes.c_int, # cx : INT
ctypes.c_int, # cy : INT
wintypes.HANDLE, # hdcSrc : HDC optional
ctypes.c_int, # x1 : INT
ctypes.c_int, # y1 : INT
wintypes.DWORD, # rop : ROP_CODE
]
# GetLastError: use ctypes.GetLastError() (or ctypes.WinDLL(use_last_error=True))require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('GDI32.dll')
BitBlt = Fiddle::Function.new(
lib['BitBlt'],
[
Fiddle::TYPE_VOIDP, # hdc : HDC
Fiddle::TYPE_INT, # x : INT
Fiddle::TYPE_INT, # y : INT
Fiddle::TYPE_INT, # cx : INT
Fiddle::TYPE_INT, # cy : INT
Fiddle::TYPE_VOIDP, # hdcSrc : HDC optional
Fiddle::TYPE_INT, # x1 : INT
Fiddle::TYPE_INT, # y1 : INT
-Fiddle::TYPE_INT, # rop : ROP_CODE
],
Fiddle::TYPE_INT)#[link(name = "gdi32")]
extern "system" {
fn BitBlt(
hdc: *mut core::ffi::c_void, // HDC
x: i32, // INT
y: i32, // INT
cx: i32, // INT
cy: i32, // INT
hdcSrc: *mut core::ffi::c_void, // HDC optional
x1: i32, // INT
y1: i32, // INT
rop: u32 // ROP_CODE
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[return: MarshalAs(UnmanagedType.Bool)]
[DllImport("GDI32.dll", SetLastError = true)]
public static extern bool BitBlt(IntPtr hdc, int x, int y, int cx, int cy, IntPtr hdcSrc, int x1, int y1, uint rop);
"@
$api = Add-Type -MemberDefinition $sig -Name 'GDI32_BitBlt' -Namespace Win32 -PassThru
# $api::BitBlt(hdc, x, y, cx, cy, hdcSrc, x1, y1, rop)#uselib "GDI32.dll"
#func global BitBlt "BitBlt" sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr, sptr
; BitBlt hdc, x, y, cx, cy, hdcSrc, x1, y1, rop ; 戻り値は stat
; hdc : HDC -> "sptr"
; x : INT -> "sptr"
; y : INT -> "sptr"
; cx : INT -> "sptr"
; cy : INT -> "sptr"
; hdcSrc : HDC optional -> "sptr"
; x1 : INT -> "sptr"
; y1 : INT -> "sptr"
; rop : ROP_CODE -> "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 "GDI32.dll"
#cfunc global BitBlt "BitBlt" sptr, int, int, int, int, sptr, int, int, int
; res = BitBlt(hdc, x, y, cx, cy, hdcSrc, x1, y1, rop)
; hdc : HDC -> "sptr"
; x : INT -> "int"
; y : INT -> "int"
; cx : INT -> "int"
; cy : INT -> "int"
; hdcSrc : HDC optional -> "sptr"
; x1 : INT -> "int"
; y1 : INT -> "int"
; rop : ROP_CODE -> "int"; BOOL BitBlt(HDC hdc, INT x, INT y, INT cx, INT cy, HDC hdcSrc, INT x1, INT y1, ROP_CODE rop)
#uselib "GDI32.dll"
#cfunc global BitBlt "BitBlt" intptr, int, int, int, int, intptr, int, int, int
; res = BitBlt(hdc, x, y, cx, cy, hdcSrc, x1, y1, rop)
; hdc : HDC -> "intptr"
; x : INT -> "int"
; y : INT -> "int"
; cx : INT -> "int"
; cy : INT -> "int"
; hdcSrc : HDC optional -> "intptr"
; x1 : INT -> "int"
; y1 : INT -> "int"
; rop : ROP_CODE -> "int"import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
gdi32 = windows.NewLazySystemDLL("GDI32.dll")
procBitBlt = gdi32.NewProc("BitBlt")
)
// hdc (HDC), x (INT), y (INT), cx (INT), cy (INT), hdcSrc (HDC optional), x1 (INT), y1 (INT), rop (ROP_CODE)
r1, _, err := procBitBlt.Call(
uintptr(hdc),
uintptr(x),
uintptr(y),
uintptr(cx),
uintptr(cy),
uintptr(hdcSrc),
uintptr(x1),
uintptr(y1),
uintptr(rop),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // BOOLfunction BitBlt(
hdc: THandle; // HDC
x: Integer; // INT
y: Integer; // INT
cx: Integer; // INT
cy: Integer; // INT
hdcSrc: THandle; // HDC optional
x1: Integer; // INT
y1: Integer; // INT
rop: DWORD // ROP_CODE
): BOOL; stdcall;
external 'GDI32.dll' name 'BitBlt';result := DllCall("GDI32\BitBlt"
, "Ptr", hdc ; HDC
, "Int", x ; INT
, "Int", y ; INT
, "Int", cx ; INT
, "Int", cy ; INT
, "Ptr", hdcSrc ; HDC optional
, "Int", x1 ; INT
, "Int", y1 ; INT
, "UInt", rop ; ROP_CODE
, "Int") ; return: BOOL●BitBlt(hdc, x, y, cx, cy, hdcSrc, x1, y1, rop) = DLL("GDI32.dll", "bool BitBlt(void*, int, int, int, int, void*, int, int, dword)")
# 呼び出し: BitBlt(hdc, x, y, cx, cy, hdcSrc, x1, y1, rop)
# hdc : HDC -> "void*"
# x : INT -> "int"
# y : INT -> "int"
# cx : INT -> "int"
# cy : INT -> "int"
# hdcSrc : HDC optional -> "void*"
# x1 : INT -> "int"
# y1 : INT -> "int"
# rop : ROP_CODE -> "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)。