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https://github.com/reactos/reactos.git
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181 lines
4 KiB
C
181 lines
4 KiB
C
#include <windows.h>
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#include <stdio.h>
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LRESULT WINAPI MainWndProc(HWND, UINT, WPARAM, LPARAM);
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const TCHAR* CLASS_NAME = _T("LineTestClass");
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int WINAPI
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WinMain(HINSTANCE hInstance,
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HINSTANCE hPrevInstance,
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LPSTR lpszCmdLine,
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int nCmdShow)
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{
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WNDCLASS wc;
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MSG msg;
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HWND hWnd;
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wc.lpszClassName = CLASS_NAME;
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wc.lpfnWndProc = MainWndProc;
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wc.style = CS_VREDRAW | CS_HREDRAW;
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wc.hInstance = hInstance;
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wc.hIcon = LoadIcon(NULL, (LPCSTR)IDI_APPLICATION);
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wc.hCursor = LoadCursor(NULL, (LPCSTR)IDC_ARROW);
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wc.hbrBackground = (HBRUSH)GetStockObject(GRAY_BRUSH);
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wc.lpszMenuName = NULL;
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wc.cbClsExtra = 0;
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wc.cbWndExtra = 0;
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if (RegisterClass(&wc) == 0)
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{
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fprintf(stderr, "RegisterClass failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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hWnd = CreateWindow(CLASS_NAME,
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_T("Line drawing test"),
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WS_OVERLAPPEDWINDOW,
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0,
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0,
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CW_USEDEFAULT,
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CW_USEDEFAULT,
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NULL,
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NULL,
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hInstance,
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NULL);
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if (hWnd == NULL)
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{
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fprintf(stderr, "CreateWindow failed (last error 0x%lX)\n",
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GetLastError());
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return(1);
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}
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ShowWindow(hWnd, nCmdShow);
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while(GetMessage(&msg, NULL, 0, 0))
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{
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TranslateMessage(&msg);
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DispatchMessage(&msg);
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}
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return msg.wParam;
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}
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#define red RGB(255,0,0)
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#define grn RGB(0,255,0)
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#define blu RGB(0,0,255)
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#define blk RGB(0,0,0)
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static void
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DrawLines(HDC hDC)
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{
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static struct
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{
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int fromx;
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int fromy;
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int tox;
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int toy;
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COLORREF clr;
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}
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points[ ] =
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{
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{ 10, 10, 19, 10, red },
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{ 20, 10, 20, 19, grn },
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{ 20, 20, 11, 20, blu },
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{ 10, 20, 10, 11, blk },
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{ 12, 12, 15, 15, red },
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{ 18, 12, 15, 15, grn },
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{ 18, 18, 15, 15, blu },
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{ 12, 18, 15, 15, blk },
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{ 35, 10, 39, 14, red },
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{ 40, 15, 36, 19, grn },
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{ 35, 20, 31, 16, blu },
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{ 30, 15, 34, 11, blk },
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{ 2, 1, 5, 2, red },
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{ 6, 2, 5, 5, grn },
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{ 5, 6, 2, 5, blu },
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{ 1, 5, 2, 2, blk },
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{ 50, 1, 51, 1, red },
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{ 50, 2, 52, 2, grn },
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{ 50, 3, 53, 3, blu },
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{ 50, 4, 54, 4, blk },
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{ 50, 5, 55, 5, red },
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{ 50, 6, 56, 6, grn },
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{ 50, 7, 57, 7, blu },
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{ 50, 8, 58, 8, blk },
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{ 50, 9, 59, 9, red },
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{ 50, 10, 60, 10, grn },
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{ 50, 11, 61, 11, blu },
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{ 50, 12, 62, 12, blk },
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{ 50, 14, 62, 14, red },
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{ 51, 15, 62, 15, grn },
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{ 52, 16, 62, 16, blu },
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{ 53, 17, 62, 17, blk },
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{ 54, 18, 62, 18, red },
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{ 55, 19, 62, 19, grn },
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{ 56, 20, 62, 20, blu },
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{ 57, 21, 62, 21, blk },
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{ 58, 22, 62, 22, red },
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{ 59, 23, 62, 23, grn },
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{ 60, 24, 62, 24, blu },
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{ 61, 25, 62, 25, blk },
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};
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int i;
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for (i = 0; i < sizeof(points) / sizeof(points[0]); i++)
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{
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HPEN hpen, hpenold;
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hpen = CreatePen ( PS_SOLID, 0, points[i].clr );
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hpenold = (HPEN)SelectObject ( hDC, hpen );
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MoveToEx ( hDC, points[i].fromx, points[i].fromy, NULL );
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LineTo ( hDC, points[i].tox, points[i].toy );
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SelectObject ( hDC, hpenold );
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DeleteObject ( hpen );
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}
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}
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LRESULT CALLBACK MainWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
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{
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PAINTSTRUCT ps;
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HDC hDC;
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RECT clr;
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HBRUSH hbr;
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switch(msg)
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{
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case WM_PAINT:
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GetClientRect(hWnd, &clr);
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//ClipRgn = CreateRectRgnIndirect(&clr);
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hDC = BeginPaint(hWnd, &ps);
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//Rect.left = 100;
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//Rect.top = 100;
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//Rect.right = 250;
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//Rect.bottom = 150;
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//FillRect(hDC, &Rect, CreateSolidBrush(RGB(0xFF, 0x00, 0x00)));
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//ExcludeRgn = CreateRectRgnIndirect(&Rect);
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//CombineRgn(ClipRgn, ClipRgn, ExcludeRgn, RGN_DIFF);
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//DeleteObject(ExcludeRgn);
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//Rect.left = 150;
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//Rect.top = 150;
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//Rect.right = 200;
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//Rect.bottom = 250;
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hbr = CreateSolidBrush(RGB(255, 255, 255));
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FillRect ( hDC, &clr, hbr );
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DeleteObject ( hbr );
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DrawLines(hDC);
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EndPaint(hWnd, &ps);
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break;
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case WM_DESTROY:
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PostQuitMessage(0);
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break;
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default:
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return DefWindowProc(hWnd, msg, wParam, lParam);
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}
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return 0;
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}
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