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237 lines
6.9 KiB
C
237 lines
6.9 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 "winclock.h"
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#define FaceColor (GetSysColor(COLOR_3DFACE))
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#define HandColor (GetSysColor(COLOR_3DHIGHLIGHT))
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#define TickColor (GetSysColor(COLOR_3DHIGHLIGHT))
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#define ShadowColor (GetSysColor(COLOR_3DDKSHADOW))
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#define BackgroundColor (GetSysColor(COLOR_3DFACE))
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static const int SHADOW_DEPTH = 2;
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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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static HandData HourHand, MinuteHand, SecondHand;
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static void DrawTicks(HDC dc, const POINT* centre, int radius)
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{
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int t;
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/* Minute divisions */
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if (radius>64)
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for(t=0; t<60; t++) {
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MoveToEx(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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NULL);
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LineTo(dc,
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centre->x + sin(t*M_PI/30)*0.89*radius,
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centre->y - cos(t*M_PI/30)*0.89*radius);
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}
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/* Hour divisions */
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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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}
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static void DrawFace(HDC dc, const POINT* centre, int radius, int border)
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{
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/* Ticks */
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SelectObject(dc, CreatePen(PS_SOLID, 2, ShadowColor));
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OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
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DrawTicks(dc, centre, radius);
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DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 2, TickColor)));
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OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
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DrawTicks(dc, centre, radius);
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if (border)
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{
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SelectObject(dc, GetStockObject(NULL_BRUSH));
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DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 5, ShadowColor)));
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Ellipse(dc, centre->x - radius, centre->y - radius, centre->x + radius, centre->y + radius);
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}
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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, BOOL bSeconds)
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{
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if (bSeconds) {
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#if 0
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SelectObject(dc, CreatePen(PS_SOLID, 1, ShadowColor));
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OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
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DrawHand(dc, &SecondHand);
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DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 1, HandColor)));
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OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
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#else
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SelectObject(dc, CreatePen(PS_SOLID, 1, HandColor));
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#endif
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DrawHand(dc, &SecondHand);
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DeleteObject(SelectObject(dc, GetStockObject(NULL_PEN)));
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}
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SelectObject(dc, CreatePen(PS_SOLID, 4, ShadowColor));
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OffsetWindowOrgEx(dc, -SHADOW_DEPTH, -SHADOW_DEPTH, NULL);
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DrawHand(dc, &MinuteHand);
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DrawHand(dc, &HourHand);
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DeleteObject(SelectObject(dc, CreatePen(PS_SOLID, 4, HandColor)));
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OffsetWindowOrgEx(dc, SHADOW_DEPTH, SHADOW_DEPTH, NULL);
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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, BOOL bSeconds)
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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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if (bSeconds)
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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, BOOL bSeconds, BOOL border)
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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 - SHADOW_DEPTH;
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if (radius < 0)
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return;
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centre.x = x/2;
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centre.y = y/2;
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DrawFace(dc, ¢re, radius, border);
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PositionHands(¢re, radius, bSeconds);
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DrawHands(dc, bSeconds);
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}
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HFONT SizeFont(HDC dc, int x, int y, BOOL bSeconds, const LOGFONTW* font)
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{
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SIZE extent;
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LOGFONTW lf;
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double xscale, yscale;
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HFONT oldFont, newFont;
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WCHAR szTime[255];
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int chars;
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chars = GetTimeFormatW(LOCALE_USER_DEFAULT, bSeconds ? 0 : TIME_NOSECONDS, NULL,
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NULL, szTime, ARRAY_SIZE(szTime));
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if (!chars)
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return 0;
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--chars;
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lf = *font;
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lf.lfHeight = -20;
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x -= 2 * SHADOW_DEPTH;
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y -= 2 * SHADOW_DEPTH;
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oldFont = SelectObject(dc, CreateFontIndirectW(&lf));
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GetTextExtentPointW(dc, szTime, chars, &extent);
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DeleteObject(SelectObject(dc, oldFont));
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xscale = (double)x/extent.cx;
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yscale = (double)y/extent.cy;
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lf.lfHeight *= min(xscale, yscale);
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newFont = CreateFontIndirectW(&lf);
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return newFont;
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}
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void DigitalClock(HDC dc, int x, int y, BOOL bSeconds, HFONT font)
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{
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SIZE extent;
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HFONT oldFont;
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WCHAR szTime[255];
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int chars;
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chars = GetTimeFormatW(LOCALE_USER_DEFAULT, bSeconds ? 0 : TIME_NOSECONDS, NULL,
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NULL, szTime, ARRAY_SIZE(szTime));
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if (!chars)
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return;
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--chars;
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oldFont = SelectObject(dc, font);
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GetTextExtentPointW(dc, szTime, chars, &extent);
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SetBkColor(dc, BackgroundColor);
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SetTextColor(dc, ShadowColor);
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TextOutW(dc, (x - extent.cx)/2 + SHADOW_DEPTH, (y - extent.cy)/2 + SHADOW_DEPTH, szTime, chars);
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SetBkMode(dc, TRANSPARENT);
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SetTextColor(dc, HandColor);
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TextOutW(dc, (x - extent.cx)/2, (y - extent.cy)/2, szTime, chars);
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SelectObject(dc, oldFont);
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}
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