reference.cpp

#include <iostream>
#include <fstream>
#include <windows.h>
#include <string>
#include <iomanip>
#include <sstream>

int width = 2;
int height = 2;
int32_t bitmap2x2[4] = { 0xffff0000, 0xff00ff00, 0xff0000ff, 0x00000000 };

int main()
{
	if (OpenClipboard(NULL))
	{
		HDC hdc = CreateCompatibleDC(NULL);

		HGLOBAL hmem = GlobalAlloc(
			GHND,
			sizeof(BITMAPV5HEADER) + width * height * 4
		);

		BITMAPV5HEADER* header = (BITMAPV5HEADER*)GlobalLock(hmem);
		header->bV5Size = sizeof(BITMAPV5HEADER);
		header->bV5Width = width;
		header->bV5Height = -height;
		header->bV5Planes = 1;
		header->bV5BitCount = 32;
		header->bV5Compression = BI_RGB;
		header->bV5SizeImage = 4 * width * height;
		header->bV5AlphaMask = 0xff000000;
		header->bV5RedMask = 0x00ff0000;
		header->bV5GreenMask = 0x0000ff00;
		header->bV5BlueMask = 0x000000ff;
		header->bV5CSType = LCS_WINDOWS_COLOR_SPACE;
		header->bV5Intent = LCS_GM_GRAPHICS;
		header->bV5ClrUsed = 0;
		header->bV5ClrImportant = 0;
		header->bV5ProfileData = 0;

		char* dst = (((char*)header) + header->bV5Size);
		memcpy(dst, &bitmap2x2[0], 4 * sizeof(int32_t));
		GlobalUnlock(hmem);

		EmptyClipboard();
		SetClipboardData(CF_DIBV5, hmem);
		CloseClipboard();

		GlobalFree(hmem);
	}

	return 0;
}