reactos/apps/tests/linetest/linetest.c

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