编译之前,得先安装DirectX SDK
#include <windows.h>
#include <d2d1.h>
#include <d2d1helper.h>
#include <dwrite.h>
#pragma comment(lib, "dwrite.lib")
#pragma comment(lib, "d2d1.lib")
static HINSTANCE g_hinst;
static HWND g_hwnd;
static bool g_flag_app_exit;
static ID2D1Factory * g_factory;
static ID2D1HwndRenderTarget * g_render_target;
void OnSize(LPARAM lparam)
{
if(g_render_target)
g_render_target->Resize(D2D1::SizeU(LOWORD(lparam),HIWORD(lparam)));
}
bool AppInit()
{
D2D1CreateFactory(D2D1_FACTORY_TYPE_SINGLE_THREADED, &g_factory);
RECT rc;
GetClientRect(g_hwnd, &rc);
g_fac

本文是Direct2D系列的第一篇,将指导读者如何配置环境并编写最简单的Direct2D程序。在开始之前,需要确保安装了DirectX SDK。
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