Direct2D C++编程约定

引用库

#include <windows.h> // C RunTime Header Files: #include <stdlib.h> #include <malloc.h> #include <memory.h> #include <wchar.h> #include <math.h> #include <d2d1.h> #include <d2d1helper.h> #include <dwrite.h> #include <wincodec.h>

版本控制宏

 

pragma once // Modify the following definitions if you need to target a platform prior to the ones specified below. // Refer to MSDN for the latest info on corresponding values for different platforms. #ifndef WINVER // Allow use of features specific to Windows 7 or later. #define WINVER 0x0700 // Change this to the appropriate value to target other versions of Windows. #endif #ifndef _WIN32_WINNT // Allow use of features specific to Windows 7 or later. #define _WIN32_WINNT 0x0700 // Change this to the appropriate value to target other versions of Windows. #endif #ifndef UNICODE #define UNICODE #endif #define WIN32_LEAN_AND_MEAN // Exclude rarely-used items from Windows headers

 

断言宏

#ifndef Assert #if defined( DEBUG ) || defined( _DEBUG ) #define Assert(b) if (!(b)) {OutputDebugStringA("Assert: " #b "\n");} #else #define Assert(b) #endif //DEBUG || _DEBUG #endif

 

HINSTANCE 宏

 

 

#ifndef HINST_THISCOMPONENT EXTERN_C IMAGE_DOS_HEADER __ImageBase; #define HINST_THISCOMPONENT ((HINSTANCE)&__ImageBase) #endif

释放接口方法

 

template<class Interface> inline void SafeRelease( Interface **ppInterfaceToRelease ) { if (*ppInterfaceToRelease != NULL) { (*ppInterfaceToRelease)->Release(); (*ppInterfaceToRelease) = NULL; } }