rosapps/tests/linetest/linetest.c

   1
   2 #include <windows.h>
   3 #include <stdio.h>
   4
   5 #include <tchar.h>
   6
   7 LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
   8
   9 const TCHAR* CLASS_NAME = _T("LineTestClass");
  10
  11 int WINAPI
  12 WinMain(HINSTANCE hInstance,
  13         HINSTANCE hPrevInstance,
  14         LPSTR lpszCmdLine,
  15         int nCmdShow)
  16 {
  17   WNDCLASS wc;
  18   MSG msg;
  19   HWND hWnd;
  20
  21   wc.lpszClassName = CLASS_NAME;
  22   wc.lpfnWndProc = MainWndProc;
  23   wc.style = CS_VREDRAW | CS_HREDRAW;
  24   wc.hInstance = hInstance;
  25   wc.hIcon = LoadIcon(NULL, (LPCSTR)IDI_APPLICATION);
  26   wc.hCursor = LoadCursor(NULL, (LPCSTR)IDC_ARROW);
  27   wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
  28   wc.lpszMenuName = NULL;
  29   wc.cbClsExtra = 0;
  30   wc.cbWndExtra = 0;
  31   if (RegisterClass(&wc) == 0)
  32     {
  33       fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
  34               GetLastError());
  35       return(1);
  36     }
  37
  38   hWnd = CreateWindow(CLASS_NAME,
  39                       _T("Line drawing test"),
  40                       WS_OVERLAPPEDWINDOW,
  41                       0,
  42                       0,
  43                       CW_USEDEFAULT,
  44                       CW_USEDEFAULT,
  45                       NULL,
  46                       NULL,
  47                       hInstance,
  48                       NULL);
  49   if (hWnd == NULL)
  50     {
  51       fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
  52               GetLastError());
  53       return(1);
  54     }
  55
  56   ShowWindow(hWnd, nCmdShow);
  57
  58   while(GetMessage(&msg, NULL, 0, 0))
  59   {
  60     TranslateMessage(&msg);
  61     DispatchMessage(&msg);
  62   }
  63
  64   return msg.wParam;
  65 }
  66
  67 #define red RGB(255,0,0)
  68 #define grn RGB(0,255,0)
  69 #define blu RGB(0,0,255)
  70 #define blk RGB(0,0,0)
  71
  72 static void
  73 DrawLines(HDC hDC)
  74 {
  75   static struct
  76     {
  77     int fromx;
  78     int fromy;
  79     int tox;
  80     int toy;
  81     COLORREF clr;
  82     }
  83   points[ ] =
  84     {
  85       { 10, 10, 19, 10, red },
  86       { 20, 10, 20, 19, grn },
  87       { 20, 20, 11, 20, blu },
  88       { 10, 20, 10, 11, blk },
  89       { 12, 12, 15, 15, red },
  90       { 18, 12, 15, 15, grn },
  91       { 18, 18, 15, 15, blu },
  92       { 12, 18, 15, 15, blk },
  93
  94       { 35, 10, 39, 14, red },
  95       { 40, 15, 36, 19, grn },
  96       { 35, 20, 31, 16, blu },
  97       { 30, 15, 34, 11, blk },
  98
  99       { 2, 1, 5, 2, red },
 100       { 6, 2, 5, 5, grn },
 101       { 5, 6, 2, 5, blu },
 102       { 1, 5, 2, 2, blk },
 103
 104           { 50,  1, 51,  1, red },
 105           { 50,  2, 52,  2, grn },
 106           { 50,  3, 53,  3, blu },
 107           { 50,  4, 54,  4, blk },
 108           { 50,  5, 55,  5, red },
 109           { 50,  6, 56,  6, grn },
 110           { 50,  7, 57,  7, blu },
 111           { 50,  8, 58,  8, blk },
 112           { 50,  9, 59,  9, red },
 113           { 50, 10, 60, 10, grn },
 114           { 50, 11, 61, 11, blu },
 115           { 50, 12, 62, 12, blk },
 116
 117           { 50, 14, 62, 14, red },
 118           { 51, 15, 62, 15, grn },
 119           { 52, 16, 62, 16, blu },
 120           { 53, 17, 62, 17, blk },
 121           { 54, 18, 62, 18, red },
 122           { 55, 19, 62, 19, grn },
 123           { 56, 20, 62, 20, blu },
 124           { 57, 21, 62, 21, blk },
 125           { 58, 22, 62, 22, red },
 126           { 59, 23, 62, 23, grn },
 127           { 60, 24, 62, 24, blu },
 128           { 61, 25, 62, 25, blk },
 129         };
 130   int i;
 131
 132   for (i = 0; i < sizeof(points) / sizeof(points[0]); i++)
 133     {
 134       HPEN hpen, hpenold;
 135       hpen = CreatePen ( PS_SOLID, 0, points[i].clr );
 136       hpenold = (HPEN)SelectObject ( hDC, hpen );
 137       MoveToEx ( hDC, points[i].fromx, points[i].fromy, NULL );
 138       LineTo ( hDC, points[i].tox, points[i].toy );
 139       SelectObject ( hDC, hpenold );
 140       DeleteObject ( hpen );
 141     }
 142 }
 143
 144 LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
 145 {
 146   PAINTSTRUCT ps;
 147   HDC hDC;
 148   RECT clr;
 149   HBRUSH hbr;
 150
 151   switch(msg)
 152   {
 153   case WM_PAINT:
 154     GetClientRect(hWnd, &clr);
 155     //ClipRgn = CreateRectRgnIndirect(&clr);
 156     hDC = BeginPaint(hWnd, &ps);
 157     //Rect.left = 100;
 158     //Rect.top = 100;
 159     //Rect.right = 250;
 160     //Rect.bottom = 150;
 161     //FillRect(hDC, &Rect, CreateSolidBrush(RGB(0xFF, 0x00, 0x00)));
 162     //ExcludeRgn = CreateRectRgnIndirect(&Rect);
 163     //CombineRgn(ClipRgn, ClipRgn, ExcludeRgn, RGN_DIFF);
 164     //DeleteObject(ExcludeRgn);
 165     //Rect.left = 150;
 166     //Rect.top = 150;
 167     //Rect.right = 200;
 168     //Rect.bottom = 250;
 169     hbr = CreateSolidBrush(RGB(255, 255, 255));
 170     FillRect ( hDC, &clr, hbr );
 171     DeleteObject ( hbr );
 172     DrawLines(hDC);
 173     EndPaint(hWnd, &ps);
 174     break;
 175
 176   case WM_DESTROY:
 177     PostQuitMessage(0);
 178     break;
 179
 180   default:
 181     return DefWindowProc(hWnd, msg, wParam, lParam);
 182   }
 183   return 0;
 184 }