9WinMap 映射 

  1. #include <windows.h>
  2. #include <iostream>
  4. CHAR szText[256] = { 0 };
  6. #define PrintLog(x) WriteConsole(g_hStdout, x, strlen(x), NULL, NULL)
  8. HINSTANCE g_hInst = NULL; //窗口句柄
  9. HANDLE g_hStdout = NULL; //控制台句柄
  11. //OnPaint
  12. void OnPaint(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
  13. {
  14. 	PAINTSTRUCT ps = { 0 };
  15. 	HDC hDC = BeginPaint(hWnd, &ps);
  17. 	Rectangle(hDC, 100, 100, 200, 200); //默认情况下是100个逻辑单位
  19. 	int nOldMap = SetMapMode(hDC, MM_LOMETRIC);//0.1MM   X方向向右，Y方向向上
  20. 	Rectangle(hDC, 100, -100, 200, -200); //默认情况下是100个逻辑单位
  21. 	SetMapMode(hDC, nOldMap);//恢复旧的映射模式
  23. 	nOldMap = SetMapMode(hDC, MM_HIMETRIC);
  24. 	Rectangle(hDC, 100, -100, 200, -200); //默认情况下是100个逻辑单位
  25. 	SetMapMode(hDC, nOldMap);
  27. 	nOldMap = SetMapMode(hDC, MM_ISOTROPIC);
  28. 	SetViewportExtEx(hDC, 2, 2, NULL); //屏幕单位
  29. 	SetWindowExtEx(hDC, 4, 4, NULL); //逻辑单位
  30. 	SetWindowOrgEx(hDC, 100, 100, NULL); //X和Y偏移100
  31. 	Rectangle(hDC, 100, 100, 200, 200); //默认情况下是100个逻辑单位
  32. 	SetMapMode(hDC, nOldMap);
  37. 	EndPaint(hWnd, &ps);
  38. }
  40. LRESULT CALLBACK WndProc(HWND hWnd, UINT nMsg, WPARAM wParam, LPARAM lParam)
  41. {
  42. 	switch (nMsg)
  43. 	{
  44. 	case WM_PAINT:
  45. 		OnPaint(hWnd, nMsg, wParam, lParam);
  46. 		break;
  47. 	case WM_DESTROY:
  48. 		PostQuitMessage(0);
  49. 		break;
  50. 	}
  51. 	return DefWindowProc(hWnd, nMsg, wParam, lParam);
  52. }
  54. BOOL RegisterWnd(LPSTR pszClassName)
  55. {
  56. 	WNDCLASSEX wce = { 0 };
  57. 	wce.cbSize = sizeof(wce);
  58. 	wce.cbClsExtra = 0;
  59. 	wce.cbWndExtra = 0;
  60. 	wce.hbrBackground = HBRUSH(COLOR_BTNFACE + 1);
  61. 	wce.hCursor = NULL;
  62. 	wce.hIcon = NULL;
  63. 	wce.hIconSm = NULL;
  64. 	wce.hInstance = g_hInst;
  65. 	wce.lpfnWndProc = WndProc;
  66. 	wce.lpszClassName = pszClassName;
  67. 	wce.lpszMenuName = NULL;
  68. 	wce.style = CS_HREDRAW | CS_VREDRAW;
  70. 	ATOM atom = RegisterClassEx(&wce);
  71. 	if (atom == NULL)
  72. 	{
  73. 		return FALSE;
  74. 	}
  75. 	else
  76. 	{
  77. 		return TRUE;
  78. 	}
  79. }
  81. HWND CreateWnd(LPSTR pszClassName)
  82. {
  83. 	HWND hWnd = CreateWindowEx(0, pszClassName, "灭天", WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
  84. 		CW_USEDEFAULT, NULL, NULL, g_hInst, 0);
  86. 	return hWnd;
  87. }
  89. void ShowWnd(HWND hWnd)
  90. {
  91. 	ShowWindow(hWnd, SW_SHOW);
  92. 	UpdateWindow(hWnd);
  93. }
  95. void Msg()
  96. {
  97. 	MSG msg = { 0 };
  98. 	while (GetMessage(&msg, NULL, 0, 0))
  99. 	{
  100. 		TranslateMessage(&msg);
  101. 		DispatchMessage(&msg);
  102. 	}
  103. }
  105. void ConsoleWnd()
  106. {
  107. 	AllocConsole();
  108. 	g_hStdout = GetStdHandle(STD_OUTPUT_HANDLE);
  110. 	CHAR szText[] = "Debug start:\n";
  111. 	WriteConsole(g_hStdout, szText, strlen(szText), NULL, NULL);
  112. }
  113. int WINAPI WinMain(_In_ HINSTANCE hInstance, _In_opt_ HINSTANCE hPrevInstance, _In_ LPSTR lpCmdLine, _In_ int nShowCmd)
  114. {
  115. 	g_hInst = hInstance;
  116. 	//ConsoleWnd();
  117. 	RegisterWnd("oooo");
  118. 	HWND hWnd = CreateWnd("oooo");
  119. 	ShowWnd(hWnd);
  120. 	Msg();
  121. 	return 0;
  122. }





posted @ 2016-06-10 08:18  -刀狂剑痴-  阅读(261)  评论(0)    收藏  举报