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GdipGetRegionScans
関数リージョンを構成する走査矩形の配列を取得する。
シグネチャ
// gdiplus.dll
#include <windows.h>
Status GdipGetRegionScans(
GpRegion* region,
RectF* rects,
INT* count,
Matrix* matrix
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| region | GpRegion* | inout | 走査矩形を取得する対象のリージョンへのポインタ。 |
| rects | RectF* | inout | 取得した矩形(浮動小数)を格納する配列へのポインタ。NULLで個数のみ取得。 |
| count | INT* | inout | 入出力で矩形数を受け渡すポインタ。 |
| matrix | Matrix* | inout | 走査前に適用する変換行列へのポインタ。 |
戻り値の型: Status
各言語での呼び出し定義
// gdiplus.dll
#include <windows.h>
Status GdipGetRegionScans(
GpRegion* region,
RectF* rects,
INT* count,
Matrix* matrix
);[DllImport("gdiplus.dll", ExactSpelling = true)]
static extern int GdipGetRegionScans(
IntPtr region, // GpRegion* in/out
IntPtr rects, // RectF* in/out
ref int count, // INT* in/out
ref IntPtr matrix // Matrix* in/out
);<DllImport("gdiplus.dll", ExactSpelling:=True)>
Public Shared Function GdipGetRegionScans(
region As IntPtr, ' GpRegion* in/out
rects As IntPtr, ' RectF* in/out
ByRef count As Integer, ' INT* in/out
ByRef matrix As IntPtr ' Matrix* in/out
) As Integer
End Function' region : GpRegion* in/out
' rects : RectF* in/out
' count : INT* in/out
' matrix : Matrix* in/out
Declare PtrSafe Function GdipGetRegionScans Lib "gdiplus" ( _
ByVal region As LongPtr, _
ByVal rects As LongPtr, _
ByRef count As Long, _
ByRef matrix 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
GdipGetRegionScans = ctypes.windll.gdiplus.GdipGetRegionScans
GdipGetRegionScans.restype = ctypes.c_int
GdipGetRegionScans.argtypes = [
ctypes.c_void_p, # region : GpRegion* in/out
ctypes.c_void_p, # rects : RectF* in/out
ctypes.POINTER(ctypes.c_int), # count : INT* in/out
ctypes.c_void_p, # matrix : Matrix* in/out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('gdiplus.dll')
GdipGetRegionScans = Fiddle::Function.new(
lib['GdipGetRegionScans'],
[
Fiddle::TYPE_VOIDP, # region : GpRegion* in/out
Fiddle::TYPE_VOIDP, # rects : RectF* in/out
Fiddle::TYPE_VOIDP, # count : INT* in/out
Fiddle::TYPE_VOIDP, # matrix : Matrix* in/out
],
Fiddle::TYPE_INT)#[link(name = "gdiplus")]
extern "system" {
fn GdipGetRegionScans(
region: *mut GpRegion, // GpRegion* in/out
rects: *mut RectF, // RectF* in/out
count: *mut i32, // INT* in/out
matrix: *mut isize // Matrix* in/out
) -> i32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("gdiplus.dll")]
public static extern int GdipGetRegionScans(IntPtr region, IntPtr rects, ref int count, ref IntPtr matrix);
"@
$api = Add-Type -MemberDefinition $sig -Name 'gdiplus_GdipGetRegionScans' -Namespace Win32 -PassThru
# $api::GdipGetRegionScans(region, rects, count, matrix)#uselib "gdiplus.dll"
#func global GdipGetRegionScans "GdipGetRegionScans" sptr, sptr, sptr, sptr
; GdipGetRegionScans varptr(region), varptr(rects), varptr(count), varptr(matrix) ; 戻り値は stat
; region : GpRegion* in/out -> "sptr"
; rects : RectF* in/out -> "sptr"
; count : INT* in/out -> "sptr"
; matrix : Matrix* 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 GdipGetRegionScans "GdipGetRegionScans" var, var, var, var ; res = GdipGetRegionScans(region, rects, count, matrix) ; region : GpRegion* in/out -> "var" ; rects : RectF* in/out -> "var" ; count : INT* in/out -> "var" ; matrix : Matrix* 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 GdipGetRegionScans "GdipGetRegionScans" sptr, sptr, sptr, sptr ; res = GdipGetRegionScans(varptr(region), varptr(rects), varptr(count), varptr(matrix)) ; region : GpRegion* in/out -> "sptr" ; rects : RectF* in/out -> "sptr" ; count : INT* in/out -> "sptr" ; matrix : Matrix* 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 GdipGetRegionScans(GpRegion* region, RectF* rects, INT* count, Matrix* matrix) #uselib "gdiplus.dll" #cfunc global GdipGetRegionScans "GdipGetRegionScans" var, var, var, var ; res = GdipGetRegionScans(region, rects, count, matrix) ; region : GpRegion* in/out -> "var" ; rects : RectF* in/out -> "var" ; count : INT* in/out -> "var" ; matrix : Matrix* 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 GdipGetRegionScans(GpRegion* region, RectF* rects, INT* count, Matrix* matrix) #uselib "gdiplus.dll" #cfunc global GdipGetRegionScans "GdipGetRegionScans" intptr, intptr, intptr, intptr ; res = GdipGetRegionScans(varptr(region), varptr(rects), varptr(count), varptr(matrix)) ; region : GpRegion* in/out -> "intptr" ; rects : RectF* in/out -> "intptr" ; count : INT* in/out -> "intptr" ; matrix : Matrix* 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")
procGdipGetRegionScans = gdiplus.NewProc("GdipGetRegionScans")
)
// region (GpRegion* in/out), rects (RectF* in/out), count (INT* in/out), matrix (Matrix* in/out)
r1, _, err := procGdipGetRegionScans.Call(
uintptr(region),
uintptr(rects),
uintptr(count),
uintptr(matrix),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // Statusfunction GdipGetRegionScans(
region: Pointer; // GpRegion* in/out
rects: Pointer; // RectF* in/out
count: Pointer; // INT* in/out
matrix: Pointer // Matrix* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetRegionScans';result := DllCall("gdiplus\GdipGetRegionScans"
, "Ptr", region ; GpRegion* in/out
, "Ptr", rects ; RectF* in/out
, "Ptr", count ; INT* in/out
, "Ptr", matrix ; Matrix* in/out
, "Int") ; return: Status●GdipGetRegionScans(region, rects, count, matrix) = DLL("gdiplus.dll", "int GdipGetRegionScans(void*, void*, void*, void*)")
# 呼び出し: GdipGetRegionScans(region, rects, count, matrix)
# region : GpRegion* in/out -> "void*"
# rects : RectF* in/out -> "void*"
# count : INT* in/out -> "void*"
# matrix : Matrix* 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 GdipGetRegionScans(
region: [*c]GpRegion, // GpRegion* in/out
rects: [*c]RectF, // RectF* in/out
count: [*c]i32, // INT* in/out
matrix: [*c]isize // Matrix* in/out
) callconv(std.os.windows.WINAPI) i32;proc GdipGetRegionScans(
region: ptr GpRegion, # GpRegion* in/out
rects: ptr RectF, # RectF* in/out
count: ptr int32, # INT* in/out
matrix: ptr int # Matrix* in/out
): int32 {.importc: "GdipGetRegionScans", stdcall, dynlib: "gdiplus.dll".}pragma(lib, "gdiplus");
extern(Windows)
int GdipGetRegionScans(
GpRegion* region, // GpRegion* in/out
RectF* rects, // RectF* in/out
int* count, // INT* in/out
ptrdiff_t* matrix // Matrix* in/out
);ccall((:GdipGetRegionScans, "gdiplus.dll"), stdcall, Int32,
(Ptr{GpRegion}, Ptr{RectF}, Ptr{Int32}, Ptr{Int}),
region, rects, count, matrix)
# region : GpRegion* in/out -> Ptr{GpRegion}
# rects : RectF* in/out -> Ptr{RectF}
# count : INT* in/out -> Ptr{Int32}
# matrix : Matrix* in/out -> Ptr{Int}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。local ffi = require("ffi")
ffi.cdef[[
int32_t GdipGetRegionScans(
void* region,
void* rects,
int32_t* count,
intptr_t* matrix);
]]
local gdiplus = ffi.load("gdiplus")
-- gdiplus.GdipGetRegionScans(region, rects, count, matrix)
-- region : GpRegion* in/out
-- rects : RectF* in/out
-- count : INT* in/out
-- matrix : Matrix* 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 GdipGetRegionScans = lib.func('__stdcall', 'GdipGetRegionScans', 'int32_t', ['void *', 'void *', 'int32_t *', 'intptr_t *']);
// GdipGetRegionScans(region, rects, count, matrix)
// region : GpRegion* in/out -> 'void *'
// rects : RectF* in/out -> 'void *'
// count : INT* in/out -> 'int32_t *'
// matrix : Matrix* in/out -> 'intptr_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", {
GdipGetRegionScans: { parameters: ["pointer", "pointer", "pointer", "pointer"], result: "i32" },
});
// lib.symbols.GdipGetRegionScans(region, rects, count, matrix)
// region : GpRegion* in/out -> "pointer"
// rects : RectF* in/out -> "pointer"
// count : INT* in/out -> "pointer"
// matrix : Matrix* 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 GdipGetRegionScans(
void* region,
void* rects,
int32_t* count,
intptr_t* matrix);
C, "gdiplus.dll");
// $ffi->GdipGetRegionScans(region, rects, count, matrix);
// region : GpRegion* in/out
// rects : RectF* in/out
// count : INT* in/out
// matrix : Matrix* in/out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Gdiplus extends StdCallLibrary {
Gdiplus INSTANCE = Native.load("gdiplus", Gdiplus.class);
int GdipGetRegionScans(
Pointer region, // GpRegion* in/out
Pointer rects, // RectF* in/out
IntByReference count, // INT* in/out
LongByReference matrix // Matrix* in/out
);
}@[Link("gdiplus")]
lib Libgdiplus
fun GdipGetRegionScans = GdipGetRegionScans(
region : GpRegion*, # GpRegion* in/out
rects : RectF*, # RectF* in/out
count : Int32*, # INT* in/out
matrix : LibC::SSizeT* # Matrix* in/out
) : Int32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef GdipGetRegionScansNative = Int32 Function(Pointer<Void>, Pointer<Void>, Pointer<Int32>, Pointer<IntPtr>);
typedef GdipGetRegionScansDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Int32>, Pointer<IntPtr>);
final GdipGetRegionScans = DynamicLibrary.open('gdiplus.dll')
.lookupFunction<GdipGetRegionScansNative, GdipGetRegionScansDart>('GdipGetRegionScans');
// region : GpRegion* in/out -> Pointer<Void>
// rects : RectF* in/out -> Pointer<Void>
// count : INT* in/out -> Pointer<Int32>
// matrix : Matrix* in/out -> Pointer<IntPtr>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function GdipGetRegionScans(
region: Pointer; // GpRegion* in/out
rects: Pointer; // RectF* in/out
count: Pointer; // INT* in/out
matrix: Pointer // Matrix* in/out
): Integer; stdcall;
external 'gdiplus.dll' name 'GdipGetRegionScans';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "GdipGetRegionScans"
c_GdipGetRegionScans :: Ptr () -> Ptr () -> Ptr Int32 -> Ptr CIntPtr -> IO Int32
-- region : GpRegion* in/out -> Ptr ()
-- rects : RectF* in/out -> Ptr ()
-- count : INT* in/out -> Ptr Int32
-- matrix : Matrix* in/out -> Ptr CIntPtr
-- 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 gdipgetregionscans =
foreign "GdipGetRegionScans"
((ptr void) @-> (ptr void) @-> (ptr int32_t) @-> (ptr intptr_t) @-> returning int32_t)
(* region : GpRegion* in/out -> (ptr void) *)
(* rects : RectF* in/out -> (ptr void) *)
(* count : INT* in/out -> (ptr int32_t) *)
(* matrix : Matrix* in/out -> (ptr intptr_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 ("GdipGetRegionScans" gdip-get-region-scans :convention :stdcall) :int32
(region :pointer) ; GpRegion* in/out
(rects :pointer) ; RectF* in/out
(count :pointer) ; INT* in/out
(matrix :pointer)) ; Matrix* in/out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。use Win32::API;
my $GdipGetRegionScans = Win32::API::More->new('gdiplus',
'int GdipGetRegionScans(LPVOID region, LPVOID rects, LPVOID count, LPVOID matrix)');
# my $ret = $GdipGetRegionScans->Call($region, $rects, $count, $matrix);
# region : GpRegion* in/out -> LPVOID
# rects : RectF* in/out -> LPVOID
# count : INT* in/out -> LPVOID
# matrix : Matrix* 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。