[游戏模版3] Win32 画笔 画刷 图形

 

>_<:introduce the functions of define\create\use pen and brush to draw all kinds of line and some graphs.

>_<!following 2 files are the same with the previous and file main.cpp has some changes.

 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 ID定义文件

 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 各种头文件包含

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 HPEN hPen[7];          //以下四行是画笔及画刷对象数组声明

 11 HBRUSH hBru[7];

 12 int sPen[7]={PS_SOLID,PS_DASH,PS_DOT,PS_DASHDOT,PS_DASHDOTDOT,PS_NULL,PS_INSIDEFRAME};//前3个基本型(实、长间、短间)可以组合；

 13 int sBru[7]={HS_VERTICAL,HS_HORIZONTAL,HS_CROSS,HS_DIAGCROSS,HS_FDIAGONAL,HS_BDIAGONAL};//横、竖、格、斜格、↘、↗)

 14 HWND  hWnd;

 15 HDC   hdc;

 16 // Foward declarations of functions included in this code module:

 17 ATOM                MyRegisterClass(HINSTANCE hInstance);

 18 BOOL                InitInstance(HINSTANCE, int);

 19 LRESULT CALLBACK    WndProc(HWND, UINT, WPARAM, LPARAM);

 20 LRESULT CALLBACK    About(HWND, UINT, WPARAM, LPARAM);

 21 void                MyPaint(HDC hdc);

 22 //========================================================================================

 23 int APIENTRY WinMain(HINSTANCE hInstance,

 24                      HINSTANCE hPrevInstance,

 25                      LPSTR     lpCmdLine,

 26                      int       nCmdShow)

 27 {

 28      // TODO: Place code here.

 29     MSG msg;

 30 

 31     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；

 32 

 33     // 调用InitInstance函数，进行初始化操作；

 34     if (!InitInstance (hInstance, nCmdShow))

 35     {

 36         return FALSE;

 37     }

 38 

 39     // 消息循环（通过消息循环来获取信息，

 40     //进行必要的键盘信息转换而后将控制权交给操作系统，

 41     //有操作系统决定哪个程序的消息处理函数处理消息

 42     while (GetMessage(&msg, NULL, 0, 0)) //获取程序消息

 43     {

 44             TranslateMessage(&msg);//转换伪码及字符

 45             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；

 46     }

 47 

 48     return msg.wParam;

 49 }

 50 //=====================================================================================

 51 

 52 

 53 

 54 //=============================================================================================

 55 //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，

 56 //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。

 57 //==============================================================================================

 58 ATOM MyRegisterClass(HINSTANCE hInstance)

 59 {

 60     WNDCLASSEX wcex;            //申请一个窗口类别“WNDCLASSEX”和结构”wcex“

 61                                 //--------------------------------------------------------------

 62                                 //定义vcex结构的各项信息，其中设定信息处理函数（lpfnWndProc）

 63                                 //为WNDPROC，类别名称为（lpszClassName）为”fe";

 64                                 //--------------------------------------------------------------

 65     wcex.cbSize = sizeof(WNDCLASSEX);

 66 

 67     wcex.style            = CS_HREDRAW | CS_VREDRAW;

 68     wcex.lpfnWndProc    = (WNDPROC)WndProc;

 69     wcex.cbClsExtra        = 0;

 70     wcex.cbWndExtra        = 0;

 71     wcex.hInstance        = hInstance;

 72     wcex.hIcon            = NULL;

 73     wcex.hCursor        = NULL;

 74     wcex.hCursor        = LoadCursor(NULL,IDC_ARROW);

 75     wcex.hbrBackground    = (HBRUSH)(COLOR_WINDOW+1);

 76     wcex.lpszMenuName    = NULL;

 77     wcex.lpszClassName    = "fe";

 78     wcex.hIconSm        = NULL;

 79 

 80     return RegisterClassEx(&wcex);//调用RegisterClassEx函数注册类别，返回一个“ATOM"形态的字符串

 81                                   //此字符串即为类别名称”fe";

 82 }

 83 //============================================================================================

 84 

 85 

 86 //============================================================================================

 87 //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

 88 //============================================================================================

 89 BOOL InitInstance(HINSTANCE hInstance, int nCmdShow)

 90 {

 91 

 92    int i;

 93 

 94 

 95    hInst = hInstance; // 把instance handle 储存在全局变量中；

 96 

 97    hWnd = CreateWindow("fe","绘图窗口",WS_OVERLAPPEDWINDOW,

 98       CW_USEDEFAULT, 0, CW_USEDEFAULT, 0, NULL, NULL, hInstance, NULL);

 99                       //-----------------------------------------------

100                       //调用CreateWindow函数来建立一个窗口对象

101                       //第一个参数就是窗口建立依据的类别名称

102                       //-----------------------------------------------

103    if (!hWnd)

104    {

105       return FALSE;

106    }

107    //------------------------------------------------

108    //设定窗口的位置及窗口的大小，然后绘制显示在设备上

109    //-------------------------------------------------

110    MoveWindow(hWnd,10,10,650,450,true);//位置及大小

111    ShowWindow(hWnd, nCmdShow);//改定窗口显示时的状态

112    UpdateWindow(hWnd);//将窗口绘制在显示设备上

113 

114    //--------------------------------------------------

115    //循环建立各种画笔与画刷

116    //--------------------------------------------------

117    for(i=0;i<=6;i++)

118    {

119        hPen[i]=CreatePen(sPen[i],1,RGB(255,0,0));//sPen[]笔型；粗细；颜色

120        if(i==6)hBru[i]=CreateSolidBrush(RGB(0,255,0));//i=6时调用CreateSolidBrush()函数建立单色笔

121        else hBru[i]=CreateHatchBrush(sBru[i],RGB(0,255,0));//i!=6时；根据sBru[]阴影刷

122    }

123 

124    hdc=GetDC(hWnd);//取得窗口DC;

125 

126    SetTimer(hWnd,1,5,NULL);

127    MyPaint(hdc);//在DC窗口出现时画图

128 

129 

130 

131    return TRUE;

132 }

133 //============================================================================================

134 

135 

136 //============================================================================================

137 //自定义绘图函数(以格式画笔及画刷绘制线条与填充矩形)

138 //============================================================================================

139 void MyPaint(HDC hdc)

140 {

141     int i,x1,x2,y;//x1、x2、y坐标变量

142 

143     for(i=0;i<=6;i++)//以7种不同画笔绘制线条

144     {

145         y=(i+1)*30;

146 

147         SelectObject(hdc,hPen[i]);//选用画笔

148         MoveToEx(hdc,30,y,NULL);//移到线条起点//-----GDI两个画线函数

149         LineTo(hdc,100,y);//画线  ||-BOOL MoveToEx(HDC hdc,int x坐标,int y坐标,LPPOINT 目前坐标);

150     }                     //      ||-BOOL LineTo(HDC hdc,int x坐标,int y坐标);

151 

152     x1=120;

153     x2=180;

154 

155     for(i=0;i<=6;i++)//以7种不同画刷填充矩形

156     {

157         SelectObject(hdc,hBru[i]);//选画刷

158         Rectangle(hdc,x1,30,x2,y);//画封闭矩形||-------绘制矩形函数

159         x1+=70;      //------||-BOOL Rectangle(HDC hdc,int 矩形左上点x坐标,int 矩形左上点y坐标,int x,int y右下);

160         x2+=70;

161     }

162 }

163 //============================================================================================

164 

165 

166 //============================================================================================

167 //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

168 //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

169 //程序都会接收信息，选择性接受、处理；

170 //============================================================================================

171 LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)

172 {

173     PAINTSTRUCT ps;

174 

175     int i;

176 

177     switch (message)                   //判断消息类型

178     {

179         case WM_TIMER:

180             MyPaint(hdc);

181             break;

182         case WM_PAINT:                //窗口重绘制

183             hdc = BeginPaint(hWnd, &ps);

184             MyPaint(hdc);//窗口重绘开始时调用MyPaint()绘图

185             EndPaint(hWnd, &ps);

186             break;

187         case WM_DESTROY:              //处理窗口结束消息

188             for(i=0;i<=6;i++)//窗口消息结束时删除GDI对象

189             {

190                 DeleteObject(hPen[i]);

191                 DeleteObject(hBru[i]);

192             }

193             PostQuitMessage(0);

194             ReleaseDC(hWnd,hdc);//释放所占DC;

195             break;

196         default:

197             return DefWindowProc(hWnd, message, wParam, lParam);

198    }

199    return 0;

200 }

201 //============================================================================================