Direct2D在VC中的使用

http://www.cnblogs.com/graphics/archive/2011/05/23/1964273.html  

http://msdn.microsoft.com/zh-cn/library/dd371902(v=VS.85).aspx 

http://technet.microsoft.com/zh-cn/library/dd756653(v=vs.85).aspx

http://msdn.microsoft.com/zh-cn/library/windows/desktop/ff684172(v=vs.85).aspx

http://msdn.microsoft.com/zh-cn/library/windows/desktop/ee329947

http://msdn.microsoft.com/zh-cn/library/dd742732(v=vs.85).aspx 

操作系统 : Windows 8 Pro

开发环境 ：Microsoft Visual Studio Ultimate 2012 

记得要右键工程->属性->配置属性->链接器->命令行

“其它选项” 添加 d2d1.lib dwrite.lib   

 

D2D画矩形 

VOID DrawRectangle(HWND hwnd)
{
    HRESULT hr;
    RECT rc={0,0,500,500};//Render area

    hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &pD2DFactory) ;

    if(!SUCCEEDED(hr))
    {
        MessageBox(hwnd,L"Create D2D factory failed!",L"Error",0);
    }

    hr = pD2DFactory->CreateHwndRenderTarget(
        D2D1::RenderTargetProperties(),
        D2D1::HwndRenderTargetProperties(
        hwnd, 
        D2D1::SizeU(rc.right - rc.left,rc.bottom - rc.top)), 
        &pRenderTarget) ;

    if(!SUCCEEDED(hr))
    {
        MessageBox(hwnd,L"Create render target failed!",L"Error",0);
    }

    hr = pRenderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Red),&pBlackBrush);

    if(!SUCCEEDED(hr))
    {
        MessageBox(hwnd,L"Create brush failed!",L"Error",0);
    }

    D2D1_GRADIENT_STOP gradientStop[2];
    gradientStop[0].color=D2D1::ColorF(D2D1::ColorF::Yellow);
    gradientStop[0].position=0.f;
    gradientStop[1].color=D2D1::ColorF(D2D1::ColorF::Red);
    gradientStop[1].position=1.f;

    ID2D1GradientStopCollection*  pGradientStopCollection;
    pRenderTarget->CreateGradientStopCollection(
        gradientStop,
        2,
        D2D1_GAMMA_2_2,D2D1_EXTEND_MODE_CLAMP,
        &pGradientStopCollection);

    D2D1_ELLIPSE g_ellipse=D2D1::Ellipse(D2D1::Point2F(250,250),250.f,250.f);

    pRenderTarget->CreateRadialGradientBrush(
        D2D1::RadialGradientBrushProperties(
        g_ellipse.point,
        D2D1::Point2F(0,0),
        g_ellipse.radiusX,
        g_ellipse.radiusY),
        pGradientStopCollection,
        &pRadialGradientBrush);

    pRenderTarget->BeginDraw() ;
    pRenderTarget->Clear(D2D1::ColorF(D2D1::ColorF::White,0)); 


    D2D1_RECT_F rect2={125,125,375,375};
    D2D1_ROUNDED_RECT rounded_rect={rect2,30.f,30.f};
    pRenderTarget->DrawRoundedRectangle(rounded_rect,pBlackBrush);
    pRenderTarget->FillRoundedRectangle(rounded_rect,pRadialGradientBrush);

    //pRenderTarget->DrawRectangle(
    //    D2D1::RectF(0,0,500.f,500.f),
    //    pBlackBrush);


    hr = pRenderTarget->EndDraw() ;

    if(!SUCCEEDED(hr))
    {
        MessageBox(hwnd,L"Draw failed!",L"Error",0);
    }

    SAFE_RELEASE(pBlackBrush) ;
    SAFE_RELEASE(pRadialGradientBrush);
}

d2d写文本 

VOID DrawText2(HWND hwnd)
{
    HRESULT hr;

    IDWriteFactory* pDWriteFactory=NULL;

    hr = DWriteCreateFactory(
        DWRITE_FACTORY_TYPE_SHARED,
        __uuidof(IDWriteFactory),
        reinterpret_cast(&pDWriteFactory));

    IDWriteTextFormat* pDWriteTextFormat=NULL;

    hr=pDWriteFactory->CreateTextFormat(
        L"Microsoft Yahei",
        NULL,
        DWRITE_FONT_WEIGHT_REGULAR,
        DWRITE_FONT_STYLE_NORMAL,
        DWRITE_FONT_STRETCH_NORMAL,
        50.f,
        L"zh-cn",
        &pDWriteTextFormat);

    RECT clientRect;

    GetClientRect(hwnd,&clientRect);

    D2D1_RECT_F textLayoutRect=D2D1::RectF(
        static_cast(clientRect.left),
        static_cast(clientRect.top),
        static_cast(clientRect.right-clientRect.left),
        static_cast(clientRect.bottom-clientRect.top));

    WCHAR* text=L"Hello,Direct2D";
    
    ID2D1SolidColorBrush* pSolidColorBrush;
    hr = pRenderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Black,1.f),&pSolidColorBrush);
    
    pRenderTarget->BeginDraw();

    pRenderTarget->DrawTextW(text,
        wcslen(text),
        pDWriteTextFormat,
        textLayoutRect,
        pSolidColorBrush,
        D2D1_DRAW_TEXT_OPTIONS_NONE,
        DWRITE_MEASURING_MODE_NATURAL
        );

    pRenderTarget->EndDraw();

    pSolidColorBrush->Release();
    pDWriteTextFormat->Release();
    pDWriteFactory->Release();
}

所有代码：

#include 
#include 
#include 
#include 

#pragma comment(lib, "d2d1.lib")
#pragma comment(lib, "dwrite.lib")


#define MAX_LOADSTRING 100

#define SAFE_RELEASE(P) if(P){P->Release() ; P = NULL ;}

// 全局变量:
HINSTANCE hInst;                                // 当前实例
TCHAR szTitle[MAX_LOADSTRING];                    // 标题栏文本
TCHAR szWindowClass[MAX_LOADSTRING];            // 主窗口类名

// 此代码模块中包含的函数的前向声明:
ATOM                MyRegisterClass(HINSTANCE hInstance);
BOOL                InitInstance(HINSTANCE, int);
LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);
INT_PTR CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

VOID DrawRectangle(HWND hwnd);

VOID DrawText2(HWND hwnd);

VOID Cleanup();

ID2D1Factory* pD2DFactory = NULL;//Direct2D factory d2d工厂接口，这个接口是所有d2d程序的起始点，几乎所有的d2d资源都是由这个接口创建的

ID2D1HwndRenderTarget* pRenderTarget=NULL;//Render target 用来在窗口中进行渲染

ID2D1SolidColorBrush* pBlackBrush=NULL;//定义画刷，用来绘制图形，ID2D1SolidColorBrush是固定颜色的画刷

ID2D1RadialGradientBrush* pRadialGradientBrush=NULL;

int APIENTRY _tWinMain(_In_ HINSTANCE hInstance,_In_opt_ HINSTANCE hPrevInstance, _In_ LPTSTR    lpCmdLine,_In_ int       nCmdShow)
{
	UNREFERENCED_PARAMETER(hPrevInstance);
	UNREFERENCED_PARAMETER(lpCmdLine);

	// TODO: 在此放置代码。
	MSG msg;

	// 初始化全局字符串
	_stprintf_s(szTitle, MAX_LOADSTRING, _T("D2D1_Text"));
	_stprintf_s(szWindowClass, MAX_LOADSTRING, _T("D2D1_Text_Wnd"));
	MyRegisterClass(hInstance);

	// 执行应用程序初始化:
	if (!InitInstance (hInstance, nCmdShow))
	{
		return FALSE;
	}

	// 主消息循环:
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}

	return (int) msg.wParam;
}

VOID DrawRectangle(HWND hwnd)
{
	HRESULT hr;
	RECT rc={0,0,500,500};//Render area

	hr = D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &pD2DFactory) ;

	if(!SUCCEEDED(hr))
	{
		MessageBox(hwnd,L"Create D2D factory failed!",L"Error",0);
	}

	hr = pD2DFactory->CreateHwndRenderTarget(
		D2D1::RenderTargetProperties(),
		D2D1::HwndRenderTargetProperties(
		hwnd, 
		D2D1::SizeU(rc.right - rc.left,rc.bottom - rc.top)), 
		&pRenderTarget) ;

	if(!SUCCEEDED(hr))
	{
		MessageBox(hwnd,L"Create render target failed!",L"Error",0);
	}

	hr = pRenderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Red),&pBlackBrush);

	if(!SUCCEEDED(hr))
	{
		MessageBox(hwnd,L"Create brush failed!",L"Error",0);
	}

	D2D1_GRADIENT_STOP gradientStop[2];
	gradientStop[0].color=D2D1::ColorF(D2D1::ColorF::Yellow);
	gradientStop[0].position=0.f;
	gradientStop[1].color=D2D1::ColorF(D2D1::ColorF::Red);
	gradientStop[1].position=1.f;

	ID2D1GradientStopCollection*  pGradientStopCollection;
	pRenderTarget->CreateGradientStopCollection(
		gradientStop,
		2,
		D2D1_GAMMA_2_2,D2D1_EXTEND_MODE_CLAMP,
		&pGradientStopCollection);

	D2D1_ELLIPSE g_ellipse=D2D1::Ellipse(D2D1::Point2F(250,250),250.f,250.f);

	pRenderTarget->CreateRadialGradientBrush(
		D2D1::RadialGradientBrushProperties(
		g_ellipse.point,
		D2D1::Point2F(0,0),
		g_ellipse.radiusX,
		g_ellipse.radiusY),
		pGradientStopCollection,
		&pRadialGradientBrush);

	pRenderTarget->BeginDraw() ;
	pRenderTarget->Clear(D2D1::ColorF(D2D1::ColorF::White,0)); 


	D2D1_RECT_F rect2={125,125,375,375};
	D2D1_ROUNDED_RECT rounded_rect={rect2,30.f,30.f};
	pRenderTarget->DrawRoundedRectangle(rounded_rect,pBlackBrush);
	pRenderTarget->FillRoundedRectangle(rounded_rect,pRadialGradientBrush);

	//pRenderTarget->DrawRectangle(
	//    D2D1::RectF(0,0,500.f,500.f),
	//    pBlackBrush);


	hr = pRenderTarget->EndDraw() ;

	if(!SUCCEEDED(hr))
	{
		MessageBox(hwnd,L"Draw failed!",L"Error",0);
	}

	SAFE_RELEASE(pBlackBrush) ;
	SAFE_RELEASE(pRadialGradientBrush);
}

VOID DrawText2(HWND hwnd)
{
	HRESULT hr;

	IDWriteFactory* pDWriteFactory=NULL;

	hr = DWriteCreateFactory(
		DWRITE_FACTORY_TYPE_SHARED,
		__uuidof(IDWriteFactory),
		reinterpret_cast(&pDWriteFactory));

	IDWriteTextFormat* pDWriteTextFormat=NULL;

	hr=pDWriteFactory->CreateTextFormat(
		L"Microsoft Yahei",
		NULL,
		DWRITE_FONT_WEIGHT_REGULAR,
		DWRITE_FONT_STYLE_NORMAL,
		DWRITE_FONT_STRETCH_NORMAL,
		50.f,
		L"zh-cn",
		&pDWriteTextFormat);

	RECT clientRect;

	GetClientRect(hwnd,&clientRect);

	D2D1_RECT_F textLayoutRect=D2D1::RectF(
		static_cast(clientRect.left),
		static_cast(clientRect.top),
		static_cast(clientRect.right-clientRect.left),
		static_cast(clientRect.bottom-clientRect.top));

	WCHAR* text=L"Hello,Direct2D";

	ID2D1SolidColorBrush* pSolidColorBrush;
	hr = pRenderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::Black,1.f),&pSolidColorBrush);

	pRenderTarget->BeginDraw();

	pRenderTarget->DrawTextW(text,
		wcslen(text),
		pDWriteTextFormat,
		textLayoutRect,
		pSolidColorBrush,
		D2D1_DRAW_TEXT_OPTIONS_NONE,
		DWRITE_MEASURING_MODE_NATURAL
		);

	pRenderTarget->EndDraw();

	pSolidColorBrush->Release();
	pDWriteTextFormat->Release();
	pDWriteFactory->Release();
}

//
//  函数: MyRegisterClass()
//
//  目的: 注册窗口类。
//
ATOM MyRegisterClass(HINSTANCE hInstance)
{
	WNDCLASSEX wcex;

	wcex.cbSize = sizeof(WNDCLASSEX);

	wcex.style            = CS_HREDRAW | CS_VREDRAW ;
	wcex.lpfnWndProc    = WndProc;
	wcex.cbClsExtra        = 0;
	wcex.cbWndExtra        = 0;
	wcex.hInstance        = hInstance;
	wcex.hIcon            = LoadIcon(hInstance, IDI_APPLICATION);
	wcex.hCursor        = LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName    = NULL;
	wcex.lpszClassName    = szWindowClass;
	wcex.hIconSm        = LoadIcon(wcex.hInstance, IDI_APPLICATION);

	return RegisterClassEx(&wcex);
}

//
//   函数: InitInstance(HINSTANCE, int)
//
//   目的: 保存实例句柄并创建主窗口
//
//   注释:
//
//        在此函数中，我们在全局变量中保存实例句柄并
//        创建和显示主程序窗口。
//
BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
{
	HWND hWnd;

	hInst = hInstance; // 将实例句柄存储在全局变量中

	//创建窗口
	hWnd = CreateWindow(szWindowClass, szTitle, WS_OVERLAPPEDWINDOW&~WS_MAXIMIZEBOX,CW_USEDEFAULT, CW_USEDEFAULT,500 , 500, NULL, NULL, hInstance, NULL);

	if (!hWnd)
	{
		return FALSE;
	}

	ShowWindow(hWnd, nCmdShow);
	UpdateWindow(hWnd);

	return TRUE;
}

//
//  函数: WndProc(HWND, UINT, WPARAM, LPARAM)
//
//  目的: 处理主窗口的消息。
//
//  WM_COMMAND    - 处理应用程序菜单
//  WM_PAINT    - 绘制主窗口
//  WM_DESTROY    - 发送退出消息并返回
//
//
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	PAINTSTRUCT ps;
	HDC hdc;

	switch (message)
	{
	case WM_PAINT:
		hdc = BeginPaint(hWnd, &ps);
		// TODO: 在此添加任意绘图代码...
		DrawRectangle(hWnd); //画矩形

		DrawText2(hWnd);

		EndPaint(hWnd, &ps);
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

// “关于”框的消息处理程序。
INT_PTR CALLBACK About(HWND hDlg, UINT message, WPARAM wParam, LPARAM lParam)
{
	UNREFERENCED_PARAMETER(lParam);
	switch (message)
	{
	case WM_INITDIALOG:
		return (INT_PTR)TRUE;

	case WM_COMMAND:
		if (LOWORD(wParam) == IDOK || LOWORD(wParam) == IDCANCEL)
		{
			EndDialog(hDlg, LOWORD(wParam));
			return (INT_PTR)TRUE;
		}
		break;
	}
	return (INT_PTR)FALSE;
}

示例代码：