1. #include <windows.h>
2. #include <iostream>
3. #include "resource1.h"
5. //宏定义输出函数
6. #define PrintLog(x) WriteConsole(g_hStdout, x, strlen(x), NULL, NULL);
8. HINSTANCE g_hInst;
9. HANDLE g_hStdout = NULL;
10. CHAR szText[256] = {
    0 };
12. //DrawBmp
13. void DrawBmp(HDC hDC)
14. {
15. //加载位图
16. HBITMAP hBMap = LoadBitmap(g_hInst, MAKEINTRESOURCE(IDB_BALL01));
18. //获取位图相关信息。。。新增加，对应笔记里的第8条
19. BITMAP bmpInfo = {
    0 };
20. GetObject(hBMap, sizeof(bmpInfo), &bmpInfo); //得到一个BITMAP结构体的数据，就可以直接使用得到bmpInfo.bmWidth
23. //创建放置位图的DC
24. HDC hBmpDC = CreateCompatibleDC(hDC);
26. //将位图放入创建的hBmpDC中
27. HBITMAP hOldBmp = (HBITMAP)SelectObject(hBmpDC, hBMap);
29. //绘制位图 BitBlt
30. BitBlt(hDC, 100, 100, 48, 48, hBmpDC, 0, 0, SRCCOPY);
32. //拉伸绘制位图 StretchBlt
33. StretchBlt(hDC, 200, 100, 200, 200, hBmpDC, 0, 0, bmpInfo.bmWidth, bmpInfo.bmHeight, SRCCOPY); //拉伸方式绘制
35. //取出位图
36. SelectObject(hBmpDC, hOldBmp);
38. //删除DC
39. DeleteDC(hBmpDC);
41. //删除位图
42. DeleteObject(hBMap);
43. }
45. //OnPaint
46. void OnPaint(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
47. {
48. PAINTSTRUCT ps = {
    0 };
49. HDC hDC = BeginPaint(hWnd, &ps);
51. DrawBmp(hDC);
54. EndPaint(hWnd, &ps);
55. }
57. //OnCommand
58. void OnCommand(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
59. {
61. int hMenuID = LOWORD(wParam);
62. switch (hMenuID)
63. {
64. case ID_EXIT:
65. PostQuitMessage(0);
66. break;
67. }
68. }
69. LRESULT CALLBACK WndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
70. {
71. switch (nMsg)
72. {
73. case WM_PAINT:
74. OnPaint(hWnd, nMsg, wParam, lParam);
75. break;
77. case WM_COMMAND:
78. OnCommand(hWnd, nMsg, wParam, lParam);
79. break;
81. case WM_DESTROY:
82. PostQuitMessage(0);
83. break;
84. }
85. return DefWindowProc(hWnd, nMsg, wParam, lParam);
86. }
88. BOOL RegisterWnd(LPSTR pszClassName)
89. {
90. WNDCLASSEX wce = {
    0 };
91. wce.cbSize = sizeof(wce);
92. wce.cbClsExtra = 0;
93. wce.cbWndExtra = 0;
94. wce.hbrBackground = HBRUSH(COLOR_BTNFACE + 1);
95. wce.hCursor = NULL;
96. wce.hIcon = NULL;
97. wce.hIconSm = NULL;
98. wce.hInstance = g_hInst;
99. wce.lpfnWndProc = WndProc;
100. wce.lpszClassName = pszClassName;
101. wce.lpszMenuName = NULL;
102. wce.style = CS_VREDRAW | CS_HREDRAW;
104. ATOM aTom = RegisterClassEx(&wce);
105. if (aTom == 0)
106. {
107. return FALSE;
108. }
109. else
110. {
111. return TRUE;
112. }
113. }
115. HWND CreateWnd(LPSTR pszClassName)
116. {
117. //加入菜单
118. HMENU hMainMenu = LoadMenu(g_hInst, MAKEINTRESOURCE(IDR_MAIN));
120. HWND hWnd = CreateWindowEx(0, pszClassName, "风火中原", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
121. NULL, hMainMenu, g_hInst, NULL);
123. return hWnd;
124. }
126. void showWnd(HWND hWnd)
127. {
128. ShowWindow(hWnd, SW_SHOW);
129. UpdateWindow(hWnd);
130. }
131. void msg()
132. {
133. MSG msg = {
     0 };
134. while (GetMessage(&msg, NULL, 0, 0))
135. {
136. TranslateMessage(&msg);
137. DispatchMessage(&msg);
138. }
139. }
141. //控制台
142. void ConsoleWnd()
143. {
144. AllocConsole();
145. g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
146. CHAR szText[] = "Debug start:\n";
147. PrintLog(szText);
148. }
150. int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
151. {
152. g_hInst = hInstance;
153. ConsoleWnd();
154. RegisterWnd("OOOO");
155. HWND hWnd = CreateWnd("OOOO");
156. showWnd(hWnd);
157. msg();
159. return 0;
160. }