4 LRESULT WINAPI
MainWndProc(HWND
, UINT
, WPARAM
, LPARAM
);
7 WinMain(HINSTANCE hInstance
,
8 HINSTANCE hPrevInstance
,
16 wc
.lpszClassName
= "ClipClass";
17 wc
.lpfnWndProc
= MainWndProc
;
18 wc
.style
= CS_VREDRAW
| CS_HREDRAW
;
19 wc
.hInstance
= hInstance
;
20 wc
.hIcon
= LoadIcon(NULL
, (LPCTSTR
)IDI_APPLICATION
);
21 wc
.hCursor
= LoadCursor(NULL
, (LPCTSTR
)IDC_ARROW
);
22 wc
.hbrBackground
= (HBRUSH
)GetStockObject(GRAY_BRUSH
);
23 wc
.lpszMenuName
= NULL
;
26 if (RegisterClass(&wc
) == 0)
28 fprintf(stderr
, "RegisterClass failed (last error 0x%lX)\n",
33 hWnd
= CreateWindow("ClipClass",
35 WS_OVERLAPPEDWINDOW
|WS_HSCROLL
|WS_VSCROLL
,
46 fprintf(stderr
, "CreateWindow failed (last error 0x%lX)\n",
51 ShowWindow(hWnd
, nCmdShow
);
53 while(GetMessage(&msg
, NULL
, 0, 0))
55 TranslateMessage(&msg
);
56 DispatchMessage(&msg
);
77 { 50, 100, 125, 100 },
78 { 160, 100, 190, 100 },
79 { 300, 100, 225, 100 },
80 { 50, 125, 300, 125 },
81 { 50, 149, 125, 149 },
82 { 160, 149, 190, 149 },
83 { 300, 149, 225, 149 },
84 { 50, 150, 125, 150 },
85 { 160, 150, 190, 150 },
86 { 300, 150, 225, 150 },
87 { 160, 249, 190, 249 },
88 { 160, 250, 190, 250 },
89 { 149, 50, 149, 125 },
90 { 149, 160, 149, 190 },
91 { 149, 300, 149, 225 },
92 { 150, 50, 150, 125 },
93 { 150, 160, 150, 190 },
94 { 150, 300, 150, 225 },
95 { 199, 50, 199, 125 },
96 { 199, 160, 199, 190 },
97 { 199, 300, 199, 225 },
98 { 200, 50, 200, 125 },
99 { 200, 160, 200, 190 },
100 { 200, 300, 200, 225 },
101 { 175, 50, 175, 300 },
102 { 50, 55, 300, 290 },
103 { 300, 295, 50, 60 },
104 { 50, 290, 300, 55 },
105 { 300, 60, 50, 295 },
106 { 55, 50, 290, 300 },
107 { 295, 300, 60, 50 },
108 { 55, 300, 290, 50 },
113 for (i
= 0; i
< sizeof(points
) / sizeof(points
[0]); i
++)
115 MoveToEx(hDC
, points
[i
].fromx
, points
[i
].fromy
, NULL
);
116 LineTo(hDC
, points
[i
].tox
, points
[i
].toy
);
120 LRESULT CALLBACK
MainWndProc(HWND hWnd
, UINT msg
, WPARAM wParam
, LPARAM lParam
)
125 HRGN ClipRgn
, ExcludeRgn
;
131 GetClientRect(hWnd
, &clr
);
132 ClipRgn
= CreateRectRgnIndirect(&clr
);
133 hDC
= BeginPaint(hWnd
, &ps
);
138 FillRect(hDC
, &Rect
, CreateSolidBrush(RGB(0xFF, 0x00, 0x00)));
139 ExcludeRgn
= CreateRectRgnIndirect(&Rect
);
140 CombineRgn(ClipRgn
, ClipRgn
, ExcludeRgn
, RGN_DIFF
);
141 DeleteObject(ExcludeRgn
);
146 FillRect(hDC
, &Rect
, CreateSolidBrush(RGB(0xFF, 0x00, 0x00)));
147 SelectObject(hDC
, CreatePen(PS_SOLID
, 0, RGB(0xFF, 0xFF, 0x00)));
149 SelectObject(hDC
, CreatePen(PS_SOLID
, 0, RGB(0x00, 0x00, 0xFF)));
150 ExcludeRgn
= CreateRectRgnIndirect(&Rect
);
151 CombineRgn(ClipRgn
, ClipRgn
, ExcludeRgn
, RGN_DIFF
);
152 DeleteObject(ExcludeRgn
);
153 SelectClipRgn(hDC
, ClipRgn
);
163 return DefWindowProc(hWnd
, msg
, wParam
, lParam
);