CompModel Laba1

#include <windows.h>
#include <tchar.h>

LRESULT CALLBACK WndProc(HWND, UINT, WPARAM, LPARAM);
TCHAR WinName[] = _T("MainFrame");

int APIENTRY WinMain(HINSTANCE This, HINSTANCE Prev, LPSTR cmd, int mode)
{
    HWND hWnd;
    MSG msg;
    WNDCLASS wc;

    wc.hInstance = This;
    wc.lpszClassName = WinName;
    wc.lpfnWndProc = WndProc;
    wc.style = CS_HREDRAW | CS_VREDRAW;
    wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
    wc.hCursor = LoadCursor(NULL, IDC_ARROW);
    wc.lpszMenuName = NULL;
    wc.cbClsExtra = 0;
    wc.cbWndExtra = 0;

    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);

    if(!RegisterClass(&wc))
        return 0;

    hWnd = CreateWindow(WinName, _T("Karkas Windows-application"), WS_OVERLAPPEDWINDOW,
                        CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
                        HWND_DESKTOP, NULL, This, NULL);

    ShowWindow(hWnd, mode);

    while(GetMessage(&msg, NULL, 0, 0))
    {
        TranslateMessage(&msg);
        DispatchMessage(&msg);
    }

    return 0;
}

void paintCell(HWND* hWnd, int sx, int sy)
{
    PAINTSTRUCT ps;
    HDC hdc = BeginPaint(*hWnd, &ps);

    for(int x = 0; x < sx; x += sx/10 )
    {
        MoveToEx(hdc, x, 0, NULL);
        LineTo(hdc, x, sy);
    }

    for(int y = 0; y < sy; y += sy/10 )
    {
        MoveToEx(hdc, 0, y, NULL);
        LineTo(hdc, sx, y);
    }

    EndPaint(*hWnd, &ps);
}

void paintTriangle(HWND* hWnd, int sx, int sy)
{
    PAINTSTRUCT ps;
    HDC hdc = BeginPaint(*hWnd, &ps);

    int width = sx;
    int height = sy;
    int stX = (width - height) / 2;
    int stY = height;

    int lbX = stX;
    int lbY = stY-50;

    int tX = stX+(height/2);
    int tY = stY-450;

    int rbX = stX+height;
    int rbY = stY-50;


    BeginPath(hdc);
    HBRUSH blue = CreateSolidBrush(RGB(0,0,255));
    HBRUSH black = CreateSolidBrush(RGB(0,0,0));
    SelectObject(hdc, blue);
    FillPath(hdc);
    EndPath(hdc);


    for( int i = 0; i < width/2; i += 10 )
    {
        MoveToEx(hdc, lbX+i, lbY, NULL);
        LineTo(hdc, tX, tY);

        MoveToEx(hdc, tX, tY, NULL);
        LineTo(hdc, rbX-i, rbY);

        MoveToEx(hdc, rbX-i, rbY, NULL);
        LineTo(hdc, lbX+i, lbY);
    }
    Ellipse(hdc, lbX+150, lbY-250, rbX-150, rbY-100);

    SelectObject(hdc, black);
    FillPath(hdc);
    Ellipse(hdc, lbX+300, lbY-235, rbX-300, rbY-125);

    EndPaint(*hWnd, &ps);
}

LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam)
{
    int x = 0;
    int y = 0;
    static int sx = 0;
    static int sy = 0;

    if(message == WM_DESTROY)
    {
        PostQuitMessage(0);
    }
    else if(message == WM_SIZE)
    {
        sx = LOWORD(lParam);
        sy = HIWORD(lParam);
    }
    else if(message == WM_PAINT)
    {
        paintTriangle(&hWnd, sx, sy);
    }
    else
    {
        return DefWindowProc(hWnd, message, wParam, lParam);
    }

    return 0;
}