reactos/rosapps/tests/linetest/linetest.c

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