Win32 API 日本語リファレンス
ホームGraphics.GdiPlus › GdipCreateBitmapFromScan0

GdipCreateBitmapFromScan0

関数
ピクセルデータバッファから指定形式のビットマップを作成する。
DLLgdiplus.dll呼出規約winapi

シグネチャ

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

Status GdipCreateBitmapFromScan0(
    INT width,
    INT height,
    INT stride,
    INT format,
    BYTE* scan0,   // optional
    GpBitmap** bitmap
);

パラメーター

名前方向
widthINTin
heightINTin
strideINTin
formatINTin
scan0BYTE*inoptional
bitmapGpBitmap**out

戻り値の型: Status

各言語での呼び出し定義

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

Status GdipCreateBitmapFromScan0(
    INT width,
    INT height,
    INT stride,
    INT format,
    BYTE* scan0,   // optional
    GpBitmap** bitmap
);
[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipCreateBitmapFromScan0(
    int width,   // INT
    int height,   // INT
    int stride,   // INT
    int format,   // INT
    IntPtr scan0,   // BYTE* optional
    IntPtr bitmap   // GpBitmap** out
);
<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipCreateBitmapFromScan0(
    width As Integer,   ' INT
    height As Integer,   ' INT
    stride As Integer,   ' INT
    format As Integer,   ' INT
    scan0 As IntPtr,   ' BYTE* optional
    bitmap As IntPtr   ' GpBitmap** out
) As Integer
End Function
' width : INT
' height : INT
' stride : INT
' format : INT
' scan0 : BYTE* optional
' bitmap : GpBitmap** out
Declare PtrSafe Function GdipCreateBitmapFromScan0 Lib "gdiplus" ( _
    ByVal width As Long, _
    ByVal height As Long, _
    ByVal stride As Long, _
    ByVal format As Long, _
    ByVal scan0 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

GdipCreateBitmapFromScan0 = ctypes.windll.gdiplus.GdipCreateBitmapFromScan0
GdipCreateBitmapFromScan0.restype = ctypes.c_int
GdipCreateBitmapFromScan0.argtypes = [
    ctypes.c_int,  # width : INT
    ctypes.c_int,  # height : INT
    ctypes.c_int,  # stride : INT
    ctypes.c_int,  # format : INT
    ctypes.POINTER(ctypes.c_ubyte),  # scan0 : BYTE* optional
    ctypes.c_void_p,  # bitmap : GpBitmap** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('gdiplus.dll')
GdipCreateBitmapFromScan0 = Fiddle::Function.new(
  lib['GdipCreateBitmapFromScan0'],
  [
    Fiddle::TYPE_INT,  # width : INT
    Fiddle::TYPE_INT,  # height : INT
    Fiddle::TYPE_INT,  # stride : INT
    Fiddle::TYPE_INT,  # format : INT
    Fiddle::TYPE_VOIDP,  # scan0 : BYTE* optional
    Fiddle::TYPE_VOIDP,  # bitmap : GpBitmap** out
  ],
  Fiddle::TYPE_INT)
#[link(name = "gdiplus")]
extern "system" {
    fn GdipCreateBitmapFromScan0(
        width: i32,  // INT
        height: i32,  // INT
        stride: i32,  // INT
        format: i32,  // INT
        scan0: *mut u8,  // BYTE* optional
        bitmap: *mut *mut GpBitmap  // GpBitmap** out
    ) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipCreateBitmapFromScan0(int width, int height, int stride, int format, IntPtr scan0, IntPtr bitmap);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipCreateBitmapFromScan0' -Namespace Win32 -PassThru
# $api::GdipCreateBitmapFromScan0(width, height, stride, format, scan0, bitmap)
#uselib "gdiplus.dll"
#func global GdipCreateBitmapFromScan0 "GdipCreateBitmapFromScan0" sptr, sptr, sptr, sptr, sptr, sptr
; GdipCreateBitmapFromScan0 width, height, stride, format, varptr(scan0), varptr(bitmap)   ; 戻り値は stat
; width : INT -> "sptr"
; height : INT -> "sptr"
; stride : INT -> "sptr"
; format : INT -> "sptr"
; scan0 : BYTE* optional -> "sptr"
; bitmap : GpBitmap** 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 GdipCreateBitmapFromScan0 "GdipCreateBitmapFromScan0" int, int, int, int, var, var
; res = GdipCreateBitmapFromScan0(width, height, stride, format, scan0, bitmap)
; width : INT -> "int"
; height : INT -> "int"
; stride : INT -> "int"
; format : INT -> "int"
; scan0 : BYTE* optional -> "var"
; bitmap : GpBitmap** 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。
出力引数:
; Status GdipCreateBitmapFromScan0(INT width, INT height, INT stride, INT format, BYTE* scan0, GpBitmap** bitmap)
#uselib "gdiplus.dll"
#cfunc global GdipCreateBitmapFromScan0 "GdipCreateBitmapFromScan0" int, int, int, int, var, var
; res = GdipCreateBitmapFromScan0(width, height, stride, format, scan0, bitmap)
; width : INT -> "int"
; height : INT -> "int"
; stride : INT -> "int"
; format : INT -> "int"
; scan0 : BYTE* optional -> "var"
; bitmap : GpBitmap** 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")
	procGdipCreateBitmapFromScan0 = gdiplus.NewProc("GdipCreateBitmapFromScan0")
)

// width (INT), height (INT), stride (INT), format (INT), scan0 (BYTE* optional), bitmap (GpBitmap** out)
r1, _, err := procGdipCreateBitmapFromScan0.Call(
	uintptr(width),
	uintptr(height),
	uintptr(stride),
	uintptr(format),
	uintptr(scan0),
	uintptr(bitmap),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // Status
function GdipCreateBitmapFromScan0(
  width: Integer;   // INT
  height: Integer;   // INT
  stride: Integer;   // INT
  format: Integer;   // INT
  scan0: Pointer;   // BYTE* optional
  bitmap: Pointer   // GpBitmap** out
): Integer; stdcall;
  external 'gdiplus.dll' name 'GdipCreateBitmapFromScan0';
result := DllCall("gdiplus\GdipCreateBitmapFromScan0"
    , "Int", width   ; INT
    , "Int", height   ; INT
    , "Int", stride   ; INT
    , "Int", format   ; INT
    , "Ptr", scan0   ; BYTE* optional
    , "Ptr", bitmap   ; GpBitmap** out
    , "Int")   ; return: Status
●GdipCreateBitmapFromScan0(width, height, stride, format, scan0, bitmap) = DLL("gdiplus.dll", "int GdipCreateBitmapFromScan0(int, int, int, int, void*, void*)")
# 呼び出し: GdipCreateBitmapFromScan0(width, height, stride, format, scan0, bitmap)
# width : INT -> "int"
# height : INT -> "int"
# stride : INT -> "int"
# format : INT -> "int"
# scan0 : BYTE* optional -> "void*"
# bitmap : GpBitmap** 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)。