151 lines
4.4 KiB
C
151 lines
4.4 KiB
C
/*
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* Clock (winclock.c)
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*
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* Copyright 1998 by Marcel Baur <mbaur@g26.ethz.ch>
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*
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* This file is based on rolex.c by Jim Peterson.
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*
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* I just managed to move the relevant parts into the Clock application
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* and made it look like the original Windows one. You can find the original
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* rolex.c in the wine /libtest directory.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <math.h>
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#include <stdlib.h>
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#include <string.h>
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#include "windows.h"
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#include "winnls.h"
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#include "winclock.h"
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#define MIN(a,b) (((a)<(b))?(a):(b))
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COLORREF FaceColor = RGB(192,192,192);
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COLORREF HandColor = RGB(0,0,0);
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COLORREF EtchColor = RGB(0,0,0);
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typedef struct
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{
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POINT Start;
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POINT End;
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} HandData;
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HandData HourHand, MinuteHand, SecondHand;
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static void DrawFace(HDC dc, const POINT* centre, int radius)
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{
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int t;
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SelectObject(dc,CreateSolidBrush(FaceColor));
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SelectObject(dc,CreatePen(PS_SOLID,1,EtchColor));
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Ellipse(dc,
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centre->x - radius, centre->y - radius,
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centre->x + radius, centre->y + radius);
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for(t=0; t<12; t++) {
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MoveToEx(dc,
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centre->x + sin(t*M_PI/6)*0.9*radius,
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centre->y - cos(t*M_PI/6)*0.9*radius,
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NULL);
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LineTo(dc,
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centre->x + sin(t*M_PI/6)*0.8*radius,
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centre->y - cos(t*M_PI/6)*0.8*radius);
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}
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if (radius>64)
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for(t=0; t<60; t++)
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SetPixel(dc,
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centre->x + sin(t*M_PI/30)*0.9*radius,
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centre->y - cos(t*M_PI/30)*0.9*radius,
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EtchColor);
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DeleteObject(SelectObject(dc,GetStockObject(NULL_BRUSH)));
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DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
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}
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static void DrawHand(HDC dc,HandData* hand)
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{
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MoveToEx(dc, hand->Start.x, hand->Start.y, NULL);
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LineTo(dc, hand->End.x, hand->End.y);
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}
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static void DrawHands(HDC dc)
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{
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SelectObject(dc,CreatePen(PS_SOLID,1,HandColor));
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DrawHand(dc, &SecondHand);
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DrawHand(dc, &MinuteHand);
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DrawHand(dc, &HourHand);
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DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
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}
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static void PositionHand(const POINT* centre, double length, double angle, HandData* hand)
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{
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hand->Start = *centre;
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hand->End.x = centre->x + sin(angle)*length;
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hand->End.y = centre->y - cos(angle)*length;
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}
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static void PositionHands(const POINT* centre, int radius)
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{
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SYSTEMTIME st;
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double hour, minute, second;
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/* 0 <= hour,minute,second < 2pi */
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/* Adding the millisecond count makes the second hand move more smoothly */
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GetLocalTime(&st);
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second = st.wSecond + st.wMilliseconds/1000.0;
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minute = st.wMinute + second/60.0;
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hour = st.wHour % 12 + minute/60.0;
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PositionHand(centre, radius * 0.5, hour/12 * 2*M_PI, &HourHand);
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PositionHand(centre, radius * 0.65, minute/60 * 2*M_PI, &MinuteHand);
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PositionHand(centre, radius * 0.79, second/60 * 2*M_PI, &SecondHand);
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}
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void AnalogClock(HDC dc, int x, int y)
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{
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POINT centre;
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int radius;
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radius = MIN(x, y)/2;
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centre.x = x/2;
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centre.y = y/2;
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DrawFace(dc, ¢re, radius);
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PositionHands(¢re, radius);
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DrawHands(dc);
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}
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void DigitalClock(HDC dc, int X, int Y)
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{
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/* FIXME - this doesn't work very well */
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CHAR szTime[255];
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static short xChar, yChar;
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TEXTMETRIC tm;
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SYSTEMTIME st;
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GetLocalTime(&st);
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GetTimeFormat(LOCALE_USER_DEFAULT, LOCALE_STIMEFORMAT, &st, NULL,
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szTime, sizeof szTime);
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xChar = tm.tmAveCharWidth;
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yChar = tm.tmHeight;
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xChar = 100;
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yChar = 100;
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SelectObject(dc,CreatePen(PS_SOLID,1,FaceColor));
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TextOut (dc, xChar, yChar, szTime, strlen (szTime));
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DeleteObject(SelectObject(dc,GetStockObject(NULL_PEN)));
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}
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