Win32SDK.h

#pragma once
#include <windows.h>
#include <tchar.h>
#include <assert.h>
#include <GdiPlus.h>
#include <AtlImage.h>
#pragma comment(lib,"gdiplus.lib")

//名稱空間
using namespace Gdiplus;

//繪畫模式
#define DRAW_MODE_SPREAD			0									//平鋪模式
#define DRAW_MODE_CENTENT			1									//居中模式
#define DRAW_MODE_ELONGGATE			2									//拉伸模式


//全域性變數定義
CImage			m_Imagebmp;				//bmp圖片
Image *			m_pImage=NULL;			//png圖片
HWND			g_hwnd;					//視窗控制代碼					
TCHAR			szWindowClass[]=TEXT("哈哈");


//全域性函式定義

//視窗回撥
LRESULT CALLBACK	WndProc(HWND, UINT, WPARAM, LPARAM);
//建立事件
bool OnCreate(HWND hwnd);
//繪畫背景
VOID DrawViewImage(HDC DC, CImage & BitImage, BYTE cbDrawMode);
//繪畫PNG影象
bool DrawImagePng(HDC DC, INT nXPos, INT nYPos);

 

Win32SDK.cpp

#include "Win32SDK.h"

int APIENTRY _tWinMain(HINSTANCE hInstance,HINSTANCE hPrevInstance,LPTSTR lpCmdLine,int nCmdShow)
{
	WNDCLASSEX wcex={0};
	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(NULL, MAKEINTRESOURCE(IDI_APPLICATION));
	wcex.hCursor		= LoadCursor(NULL, IDC_ARROW);
	wcex.hbrBackground	= (HBRUSH)(COLOR_WINDOW+1);
	wcex.lpszMenuName	= NULL;
	wcex.lpszClassName	= szWindowClass;
	wcex.hIconSm		= LoadIcon(NULL, MAKEINTRESOURCE(IDI_APPLICATION));
	RegisterClassEx(&wcex);

	HWND hWnd;
	hWnd = CreateWindow(szWindowClass, TEXT("標題"), WS_OVERLAPPEDWINDOW,0, 0, 600, 400, NULL, NULL, hInstance, NULL);
	if (!hWnd)return FALSE;

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

	MSG msg={0};
	while (GetMessage(&msg, NULL, 0, 0))
	{
		TranslateMessage(&msg);
		DispatchMessage(&msg);
	}
	return (int) msg.wParam;
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;
	PAINTSTRUCT ps;
	HDC hdc;

	switch (message)
	{
	case WM_CREATE:
			OnCreate(hWnd);break;
	case WM_COMMAND:
		{
			wmId    = LOWORD(wParam);
			wmEvent = HIWORD(wParam);
			// 分析選單選擇:
			switch (wmId)
			{
			case IDOK:break;
			default:
				return DefWindowProc(hWnd, message, wParam, lParam);
			}
		}
		break;
	case WM_PAINT:
		{
			hdc = BeginPaint(hWnd, &ps);
			// TODO: 在此新增任意繪圖程式碼...
			DrawViewImage(hdc,m_Imagebmp,DRAW_MODE_CENTENT);
			DrawImagePng(hdc,0,0);
			EndPaint(hWnd, &ps);
		}
		break;
	case WM_DESTROY:
		PostQuitMessage(0);
		break;
	default:
		return DefWindowProc(hWnd, message, wParam, lParam);
	}
	return 0;
}

bool OnCreate(HWND hwnd)
{
	g_hwnd=hwnd;

	//視窗居中
	int x=GetSystemMetrics(SM_CXSCREEN);
	int y=GetSystemMetrics(SM_CYSCREEN);

	RECT WindowRect;
	GetWindowRect(hwnd,&WindowRect);
	int cx=(x-WindowRect.right)/2;
	int cy=(y-WindowRect.bottom)/2;
	SetWindowPos(hwnd,NULL,cx,cy,NULL,NULL,SWP_SHOWWINDOW|SWP_NOSIZE);

	//載入 bmp檔案
	m_Imagebmp.Load(TEXT("res\\bmp\\VIEW_BACK.bmp"));


	//載入 png檔案
	CT2CW strFileName(TEXT("res\\png\\READY.png"));
	m_pImage=Image::FromFile((LPCWSTR)strFileName);
	//錯誤判斷
	if ((m_pImage==NULL)||(m_pImage->GetLastStatus()!=Ok)) 
	{
		try { delete m_pImage; } catch (...) { assert(FALSE); } m_pImage=NULL;
		return false;
	}

	return true;
}


//繪畫背景
VOID DrawViewImage( HDC DC, CImage & BitImage, BYTE cbDrawMode )
{
	//獲取位置
	CRect rcClient;
	GetClientRect(g_hwnd,&rcClient);

	//無效區域
	RECT rcDirty={0};
	GetClipBox(DC,&rcDirty);

	//繪畫點陣圖
	switch (cbDrawMode)
	{
	case DRAW_MODE_SPREAD:		//平鋪模式
		{
			//載入資源
			INT nImageWidth=BitImage.GetWidth();
			INT nImageHeight=BitImage.GetHeight();

			//繪畫點陣圖
			for (INT nXPos=0;nXPos<rcClient.right;nXPos+=nImageWidth)
			{
				for (INT nYPos=0;nYPos<rcClient.bottom;nYPos+=nImageHeight)
				{
					BitImage.BitBlt(DC,nXPos,nYPos);
				}
			}

			return;
		}
	case DRAW_MODE_CENTENT:		//居中模式
		{
			//變數定義
			INT nImageWidth=BitImage.GetWidth();
			INT nImageHeight=BitImage.GetHeight();

			//位置計算
			INT nXPos=(rcClient.Width()-BitImage.GetWidth())/2;
			INT nYPos=(rcClient.Height()-BitImage.GetHeight())/2;

			//繪畫點陣圖
			BitImage.BitBlt(DC,nXPos,nYPos);

			return;
		}
	case DRAW_MODE_ELONGGATE:	//拉伸模式
		{
			//變數定義
			INT nImageWidth=BitImage.GetWidth();
			INT nImageHeight=BitImage.GetHeight();

			//繪畫點陣圖
			BitImage.StretchBlt(DC,0,0,rcClient.Width(),rcClient.Height(),0,0,nImageWidth,nImageHeight);

			return;
		}
	}

	return;
}

//繪畫PNG影象
bool DrawImagePng( HDC DC, INT nXPos, INT nYPos )
{
	//載入判斷
	assert(m_pImage!=NULL);
	if (m_pImage==NULL) return false;

	//建立螢幕
	assert(DC!=NULL);
	Graphics graphics(DC);

	//獲取屬性
	INT nImageWidth=m_pImage->GetWidth();
	INT nImageHeight=m_pImage->GetHeight();

	//構造位置
	RectF rcDrawRect;
	rcDrawRect.X=(REAL)nXPos;
	rcDrawRect.Y=(REAL)nYPos;
	rcDrawRect.Width=(REAL)nImageWidth;
	rcDrawRect.Height=(REAL)nImageHeight;

	//繪畫影象
	graphics.DrawImage(m_pImage,rcDrawRect,0,0,(REAL)nImageWidth,(REAL)nImageHeight,UnitPixel);

	return true;
}