这个框架程序的特点：

1. 支持GDI和GDI+绘制方法
2. 实时绘制，可用来编写简单游戏或动画演示程序
3. 使用帧缓冲技术，加快绘制速度
4. 使用GetAsyncKeyState检查实时按键状态

使用方法：创建Win32项目，点上空项目，去掉SDL安全检查，然后新建一个cpp文件，贴里边就行了。

<code class="language-cpp">// GDIwithFB.cpp - 使用GDI/GDI+并使用帧缓冲进行动态绘制

#include <windows.h>
#include <gdiplus.h>
#pragma comment(lib, "gdiplus.lib")
#include <math.h>

HINSTANCE hInst;
HWND hMainWnd;

static float locx = 320, locy = 240;
static float t = 0;
static bool paused = false;

// 实时检查按键
void CheckKeys(void)
{
	// 是否暂停？
	if (paused) return;

	// 检查窗口是否在前台
	if (GetForegroundWindow() != hMainWnd) return;
	
	// 检查间隔至少为1ms
	static UINT64 pretick = 0;
	UINT64 tick = 0;
	QueryPerformanceCounter((PLARGE_INTEGER)&tick);
	UINT64 freq = 0;
	QueryPerformanceFrequency((PLARGE_INTEGER)&freq);
	if ((tick - pretick) / (double)freq < 0.001) return;
	pretick = tick;

	// 检查按键
	if (GetAsyncKeyState(VK_LEFT) & 0x8000)
	{
		locx -= 1.0f;
	}
	if (GetAsyncKeyState(VK_RIGHT) & 0x8000)
	{
		locx += 1.0f;
	}
	if (GetAsyncKeyState(VK_UP) & 0x8000)
	{
		locy -= 1.0f;
	}
	if (GetAsyncKeyState(VK_DOWN) & 0x8000)
	{
		locy += 1.0f;
	}
}

// 改变绘制参数
void MoveFrame(void)
{
	// 是否暂停？
	if (paused) return;

	t = (GetTickCount() % 1000) / 1000.0f;
}

// 绘制函数：使用framedc参数进行缓冲绘制，使用hWnd和devdc参数获取窗口和目标设备的信息
static void FrameDraw(HWND hWnd, HDC devdc, HDC framedc)
{
	using namespace Gdiplus;

	CheckKeys();

	MoveFrame();

	Graphics g(framedc);
	g.Clear(Color::White);

	Pen blackpen(Color::Black, 1);

	float pi = acosf(-1);
	float x = sinf(t * pi * 2) * 100 + locx;
	float y = cosf(t * pi * 2) * 100 + locy;

	g.DrawLine(&blackpen, PointF(locx, locy), PointF(x, y));
	g.DrawEllipse(&blackpen, RectF(locx - 100, locy - 100, 200, 200));
}

// 实现缓冲绘制标准流程的函数
static void CallFrameDraw(HWND hWnd, HDC devdc)
{
	RECT rc = { 0 };
	GetClientRect(hWnd, &rc);
	HDC framedc = CreateCompatibleDC(devdc);
	HBITMAP framebmp = CreateCompatibleBitmap(devdc, rc.right - rc.left, rc.bottom - rc.top);
	SelectObject(framedc, framebmp);
	FrameDraw(hWnd, devdc, framedc);
	BitBlt(devdc, 0, 0, rc.right - rc.left, rc.bottom - rc.top, framedc, 0, 0, SRCCOPY);
	DeleteDC(framedc);
	DeleteObject(framebmp);
}

// 窗口消息函数，在这里处理窗口消息
static LRESULT CALLBACK WndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
	if (msg == WM_CREATE) // 窗口创建
	{
		return 0;
	}
	if (msg == WM_PAINT) // 窗口需要重绘
	{
		PAINTSTRUCT ps;
		HDC hdc = BeginPaint(hWnd, &ps);
		CallFrameDraw(hWnd, hdc);
		EndPaint(hWnd, &ps);
		return 0;
	}
	if (msg == WM_KEYDOWN) // 按下键（用于对实时性要求不高的场合）
	{
		if (wParam == VK_F3) // F3暂停
		{
			paused = !paused;
			return 0;
		}
	}
	if (msg == WM_DESTROY) // 窗口被销毁
	{
		PostQuitMessage(0);
		return 0;
	}
	return DefWindowProc(hWnd, msg, wParam, lParam);
}

// 程序入口点
int WINAPI WinMain(__in HINSTANCE hInstance, __in_opt HINSTANCE hPrevInstance, __in_opt LPSTR lpCmdLine, __in int nShowCmd)
{
	hInst = hInstance;

#ifdef _GDIPLUS_H
	ULONG_PTR gdip_token = 0;
	Gdiplus::Status gdip_status = Gdiplus::GdiplusStartup(&gdip_token, &Gdiplus::GdiplusStartupInput(), NULL);
	if (gdip_status != Gdiplus::Ok)
	{
		MessageBox(NULL, TEXT("GDI+ initialization failed."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}
#endif

	WNDCLASSEX wcex = {
		sizeof wcex,
		CS_VREDRAW | CS_HREDRAW,
		WndProc,
		0, 0,
		hInstance,
		LoadIcon(NULL, IDI_APPLICATION),
		LoadCursor(NULL, IDC_ARROW),
		NULL, // 我们将自己清空窗口，因此不需要背景画刷
		NULL,
		TEXT("MainWndClass"),
		LoadIcon(NULL, IDI_APPLICATION),
	};

	if (!RegisterClassEx(&wcex))
	{
		MessageBox(NULL, TEXT("This program cannot be run in Windows 95/98/Me."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}

	RECT rcWindow = { 0, 0, 640, 480 };
	AdjustWindowRectEx(&rcWindow, WS_OVERLAPPEDWINDOW, FALSE, 0); // 将客户区大小转换为窗口大小
	hMainWnd = CreateWindowEx(
		0, TEXT("MainWndClass"), TEXT("Main Window"), WS_OVERLAPPEDWINDOW,
		CW_USEDEFAULT, CW_USEDEFAULT, rcWindow.right - rcWindow.left, rcWindow.bottom - rcWindow.top,
		NULL, NULL, hInstance, NULL);

	if (hMainWnd == NULL)
	{
		MessageBox(NULL, TEXT("CreateWindowEx failed."), TEXT("Error"), MB_ICONHAND);
		return 0;
	}

	ShowWindow(hMainWnd, nShowCmd);
	UpdateWindow(hMainWnd);

	MSG msg = { 0 };
	while (msg.message != WM_QUIT)
	{
		if (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE))
		{
			TranslateMessage(&msg);
			DispatchMessage(&msg);
		}
		else // 没有获取到消息
		{
			// 实时绘制
			HDC hdc = GetDC(hMainWnd);
			CallFrameDraw(hMainWnd, hdc);
			ReleaseDC(hMainWnd, hdc);
		}
	}

#ifdef _GDIPLUS_H
	Gdiplus::GdiplusShutdown(gdip_token);
#endif

	return (int)msg.wParam;
}
</math.h></gdiplus.h></windows.h></code>

附：gdiplus.dll（自解压包）

WindowsXP-KB975337-x86-ENU.exe 852.36KB EXE 20次下载