>_<:this is the first using mapping.
>_<:There will be introducing how to do:
- First load bitmap picture return handle give hbmp, as
following: - hbmp=(HBITMAP)LoadImage(NULL,"bg.bmp",IMAGE_BITMAP,600,450,LR_LOADFROMFILE);
- there "bg.bmp" must put in the
project folder! - Second if you want
draw this picture in the window,I suggest you should create a CompatibleDC,
maybe now you don‘t know why do this, the reason is also hard to explane. You
just remember doing is better for showing many pictures reducing
Flash. - hdc=GetDC(hWnd);
- mdc=CreateCompatibleDC(hdc);
- Third when you finish upper two steps, you can use SelectObject(mdc,hbmp); give
the picture to CompatibleDC mdc - Finally just use BitBlt(hdc,0,0,600,450,mdc,0,0,SRCCOPY); copy mdc including to hdc to show in the
window.
1 //{{NO_DEPENDENCIES}}
2 // Microsoft Visual C++ generated include file.
3 // Used by FE.RC
4 //
5 #define IDR_MAINFRAME 128
6 #define IDD_FE_DIALOG 102
7 #define IDD_ABOUTBOX 103
8 #define IDS_APP_TITLE 103
9 #define IDM_ABOUT 104
10 #define IDM_EXIT 105
11 #define IDS_HELLO 106
12 #define IDI_FE 107
13 #define IDI_SMALL 108
14 #define IDC_FE 109
15 #define IDC_MYICON 2
16 #define IDC_STATIC -1
17 // Next default values for new objects
18 //
19 #ifdef APSTUDIO_INVOKED
20 #ifndef APSTUDIO_READONLY_SYMBOLS
21
22 #define _APS_NEXT_RESOURCE_VALUE 129
23 #define _APS_NEXT_COMMAND_VALUE 32771
24 #define _APS_NEXT_CONTROL_VALUE 1000
25 #define _APS_NEXT_SYMED_VALUE 110
26 #endif
27 #endif
resourse.h
1 // stdafx.h : include file for standard system include files,
2 // or project specific include files that are used frequently, but
3 // are changed infrequently
4 //
5
6 #if !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_)
7 #define AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_
8
9 #if _MSC_VER > 1000
10 #pragma once
11 #endif // _MSC_VER > 1000
12
13 #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
14
15
16 // Windows Header Files:
17 #include <windows.h>
18
19 // C RunTime Header Files
20 #include <stdlib.h>
21 #include <malloc.h>
22 #include <memory.h>
23 #include <tchar.h>
24
25 // Local Header Files
26
27 // TODO: reference additional headers your program requires here
28
29 //{{AFX_INSERT_LOCATION}}
30 // Microsoft Visual C++ will insert additional declarations immediately before the previous line.
31
32 #endif // !defined(AFX_STDAFX_H__A9DB83DB_A9FD_11D0_BFD1_444553540000__INCLUDED_)
StdAfx.h
main.cpp
1 #include "stdafx.h"
2 #include "resourse.h"
3
4 #define MAX_LOADSTRING 100
5
6 // Global Variables:
7 HINSTANCE hInst; // current instance
8 TCHAR szTitle[MAX_LOADSTRING]; // The title bar text
9 TCHAR szWindowClass[MAX_LOADSTRING]; // The title bar text
10 HBITMAP hbmp;
11 HDC mdc;
12 // Foward declarations of functions included in this code module:
13 ATOM MyRegisterClass(HINSTANCE hInstance);
14 BOOL InitInstance(HINSTANCE, int);
15 LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
16 LRESULT CALLBACK About(HWND, UINT, WPARAM, LPARAM);
17 void MyPaint(HDC hdc);
18 //========================================================================================
19 int APIENTRY WinMain(HINSTANCE hInstance,
20 HINSTANCE hPrevInstance,
21 LPSTR lpCmdLine,
22 int nCmdShow)
23 {
24 // TODO: Place code here.
25 MSG msg;
26
27 MyRegisterClass(hInstance);//调用函数向系统注册窗口类别，输入参数hInstance是目前运行程序的对象代码；
28
29 // 调用InitInstance函数，进行初始化操作；
30 if (!InitInstance (hInstance, nCmdShow))
31 {
32 return FALSE;
33 }
34
35 // 消息循环（通过消息循环来获取信息，
36 //进行必要的键盘信息转换而后将控制权交给操作系统，
37 //有操作系统决定哪个程序的消息处理函数处理消息
38 while (GetMessage(&msg, NULL, 0, 0)) //获取程序消息
39 {
40 TranslateMessage(&msg);//转换伪码及字符
41 DispatchMessage(&msg);//将控制权交给系统，再有系统决定负责处理消息的程序；
42 }
43
44 return msg.wParam;
45 }
46 //=====================================================================================
47
48
49
50 //=============================================================================================
51 //在建立程序窗口实体之前，必须先定义一个窗口类别，其中包含所要建立窗口的信息，
52 //并向系统注册，这里的MyRegisterClass函数就是进行定义及注册窗口类别的函数。
53 //==============================================================================================
54 ATOM MyRegisterClass(HINSTANCE hInstance)
55 {
56 WNDCLASSEX wcex; //申请一个窗口类别“WNDCLASSEX”和结构”wcex“
57 //--------------------------------------------------------------
58 //定义vcex结构的各项信息，其中设定信息处理函数（lpfnWndProc）
59 //为WNDPROC，类别名称为（lpszClassName）为”fe";
60 //--------------------------------------------------------------
61 wcex.cbSize = sizeof(WNDCLASSEX);
62
63 wcex.style = CS_HREDRAW | CS_VREDRAW;
64 wcex.lpfnWndProc = (WNDPROC)WndProc;
65 wcex.cbClsExtra = 0;
66 wcex.cbWndExtra = 0;
67 wcex.hInstance = hInstance;
68 wcex.hIcon = NULL;
69 wcex.hCursor = NULL;
70 wcex.hCursor = LoadCursor(NULL,IDC_ARROW);
71 wcex.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
72 wcex.lpszMenuName = NULL;
73 wcex.lpszClassName = "fe";
74 wcex.hIconSm = NULL;
75
76 return RegisterClassEx(&wcex);//调用RegisterClassEx函数注册类别，返回一个“ATOM"形态的字符串
77 //此字符串即为类别名称”fe";
78 }
79 //============================================================================================
80
81
82 //============================================================================================
83 //按照前面所定义的窗口类别来建立并显示实际的程序窗口
84 //============================================================================================
85 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)
86 {
87 HWND hWnd;
88 HDC hdc;
89 hInst = hInstance; // 把instance handle 储存在全局变量中；
90
91 hWnd = CreateWindow("fe","绘图窗口",WS_OVERLAPPEDWINDOW,
92 CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);
93 //-----------------------------------------------
94 //调用CreateWindow函数来建立一个窗口对象
95 //第一个参数就是窗口建立依据的类别名称
96 //-----------------------------------------------
97 if (!hWnd)
98 {
99 return FALSE;
100 }
101 //------------------------------------------------
102 //设定窗口的位置及窗口的大小，然后绘制显示在设备上
103 //-------------------------------------------------
104 MoveWindow(hWnd,10,10,600,450,true);//位置及大小
105 ShowWindow(hWnd, nCmdShow);//改定窗口显示时的状态
106 UpdateWindow(hWnd);//将窗口绘制在显示设备上
107
108 hdc=GetDC(hWnd);
109 mdc=CreateCompatibleDC(hdc);
110
111 hbmp=(HBITMAP)LoadImage(NULL,"bg.bmp",IMAGE_BITMAP,600,450,LR_LOADFROMFILE);
112 //名、类型、大小、加载方式；
113 SelectObject(mdc,hbmp);
114
115 MyPaint(hdc);
116
117 ReleaseDC(hWnd,hdc);
118
119
120 return TRUE;
121 }
122 //============================================================================================
123
124
125 //============================================================================================
126 //绘图函数，初始化函数中将图片已经放在mdc中了，现在将mdc再贴在窗口DC上
127 //============================================================================================
128 void MyPaint(HDC hdc)
129 {
130 BitBlt(hdc,0,0,600,450,mdc,0,0,SRCCOPY);//在窗口位置、大小、原图剪切位
131 }
132 //============================================================================================
133
134
135 //============================================================================================
136 //在前面定义类别的时候把WndProc定义为消息处理函数（当某些外部消息发生时，会按消息的类型
137 //来决定该如何进行处理。此外该函数也是一个回叫函数（CALLBACK)（windows系统函数）每一个
138 //程序都会接收信息，选择性接受、处理；
139 //============================================================================================
140 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
141 {
142 PAINTSTRUCT ps;
143 HDC hdc;
144
145 switch (message) //判断消息类型
146 {
147 case WM_PAINT: //窗口重绘制
148 hdc = BeginPaint(hWnd, &ps);
149 MyPaint(hdc);
150 EndPaint(hWnd, &ps);
151 break;
152 case WM_DESTROY: //处理窗口结束消息
153 DeleteDC(mdc);
154 DeleteObject(hbmp);
155 PostQuitMessage(0);
156 break;
157 default:
158 return DefWindowProc(hWnd, message, wParam, lParam);
159 }
160 return 0;
161 }
162 //============================================================================================
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时间： 2024-04-01 03:12:23