Code cleanup.
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threedeyes
parent
84169234d7
commit
678934b3ea
@ -1,12 +1,7 @@
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/*
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**
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** A simple analog clock screensaver.
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**
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** Version: 0.1
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**
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** Copyright (c) 2008-2009 Gerasim Troeglazov (3dEyes**). All Rights Reserved.
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** This file may be used under the terms of the MIT License.
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*/
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* Copyright (c) 2008-2009 Gerasim Troeglazov (3dEyes**). All Rights Reserved.
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* This file may be used under the terms of the MIT License.
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*/
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#include <stdio.h>
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@ -27,20 +22,19 @@ class Clock : public BScreenSaver
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public:
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Clock(BMessage *message, image_id id);
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void StartConfig(BView *view);
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status_t StartSaver(BView *v, bool preview);
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void Draw(BView *v, int32 frame);
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BStringView *tview;
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status_t StartSaver(BView *view, bool preview);
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void Draw(BView *view, int32 frame);
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private:
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void DrawBlock(BView *view, float x, float y, float a, float size);
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void DrawArrow(BView *view, float xc, float yc, float a, float len, float k,float width);
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time_t tmptodaytime;
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float todaysecond , todayminute , todayhour;
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struct tm *TodayTime;
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BRect r;
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void _drawBlock(BView *view, float x, float y, float alpha,
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float size);
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void _drawArrow(BView *view, float x0, float y0, float angle,
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float length, float coeff, float width);
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float centerX, centerY;
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};
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extern "C" _EXPORT BScreenSaver *instantiate_screen_saver(BMessage *message, image_id image)
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extern "C" _EXPORT BScreenSaver *instantiate_screen_saver(BMessage *message,
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image_id image)
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{
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return new Clock(message, image);
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}
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@ -54,104 +48,133 @@ Clock::Clock(BMessage *message, image_id image)
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}
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void Clock::StartConfig(BView *view)
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void
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Clock::StartConfig(BView *view)
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{
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tview = new BStringView(BRect(10, 10, 200, 35), B_EMPTY_STRING, "Simple Clock");
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tview->SetFont(be_bold_font);
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tview->SetFontSize(15);
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view->AddChild(tview);
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view->AddChild(new BStringView(BRect(10, 40, 200, 65), B_EMPTY_STRING, " Ver 0.1, ©3dEyes**"));
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BStringView *aboutView = new BStringView(BRect(10, 10, 200, 35),
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B_EMPTY_STRING, "Simple Clock");
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aboutView->SetFont(be_bold_font);
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aboutView->SetFontSize(15);
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view->AddChild(aboutView);
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aboutView = new BStringView(BRect(10, 40, 200, 65),
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B_EMPTY_STRING, " Ver 1.0, ©3dEyes**");
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view->AddChild(aboutView);
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}
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status_t Clock::StartSaver(BView *view, bool preview)
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status_t
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Clock::StartSaver(BView *view, bool)
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{
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SetTickSize(1000000);
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return B_OK;
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}
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void Clock::DrawBlock(BView *view, float x, float y, float a, float size)
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void
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Clock::Draw(BView *view, int32)
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{
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float angles[4]={a-(M_PI/12),a+(M_PI/12),a+(M_PI)-(M_PI/12),a+(M_PI)+(M_PI/12)};
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BPoint points[4];
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for(int i=0;i<4;i++) {
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points[i].x= x+size*cos(angles[i]);
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points[i].y= y+size*sin(angles[i]);
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}
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view->FillPolygon(&points[0],4);
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BScreen screenView;
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BBitmap bufferBitmap(view->Bounds(), screenView.ColorSpace(), true);
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BView offscreenView(view->Bounds(), NULL, 0, 0);
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bufferBitmap.AddChild(&offscreenView);
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bufferBitmap.Lock();
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}
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void Clock::DrawArrow(BView *view, float xc, float yc, float a, float len, float k, float width)
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{
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float g = width/len;
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float x = xc+(len)*cos(a);
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float y = yc+(len)*sin(a);
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float size = len*k;
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float angles[4]={a-g,a+g,a+(M_PI)-g,a+(M_PI)+g};
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BPoint points[4];
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for(int i=0;i<4;i++) {
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points[i].x= x+size*cos(angles[i]);
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points[i].y= y+size*sin(angles[i]);
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}
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view->FillPolygon(&points[0],4);
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}
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void Clock::Draw(BView *view, int32)
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{
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BScreen screen;
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BBitmap buffer(view->Bounds(), screen.ColorSpace(), true);
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BView offscreen(view->Bounds(), NULL, 0, 0);
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buffer.AddChild(&offscreen);
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buffer.Lock();
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int n;
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float a,R;
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float width = view->Bounds().Width();
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float height = view->Bounds().Height();
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float zoom = (height/1024) * 0.85;
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float zoom = (height / 1024.0) * 0.65;
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time_t timeInfo;
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time(&timeInfo);
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struct tm *nowTime = localtime(&timeInfo);
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time(&tmptodaytime);
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TodayTime = localtime(&tmptodaytime);
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float secondVal = nowTime->tm_sec;
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float minuteVal = nowTime->tm_min + (secondVal / 60.0);
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float hourVal = nowTime->tm_hour + (minuteVal / 60.0);
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todaysecond = TodayTime->tm_sec;
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todayminute = TodayTime->tm_min + (todaysecond/60.0);
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todayhour = TodayTime->tm_hour + (todayminute/60.0);
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offscreenView.SetHighColor(0, 0, 0);
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offscreenView.SetLowColor(0, 0, 0);
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offscreenView.FillRect(offscreenView.Bounds());
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rgb_color bg_color = {0,0,0};
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offscreen.SetHighColor(bg_color);
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offscreen.SetLowColor(bg_color);
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offscreen.FillRect(offscreen.Bounds());
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offscreenView.SetHighColor(200, 200, 200);
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centerX = width / 2.0;
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centerY = height / 2.0;
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offscreen.SetHighColor(200,200,200);
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float markAngle = 0;
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float markRadius = 510.0 * zoom;
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for(n=0,a=0,R=510*zoom;n<60;n++,a+=(2*M_PI)/60) {
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float x = width/2 + R * cos(a);
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float y = height/2 + R * sin(a);
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DrawBlock(&offscreen,x,y,a,14*zoom);
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for(int mark = 0; mark < 60; mark++, markAngle += (2 * M_PI) / 60) {
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float x = centerX + markRadius * cos(markAngle);
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float y = centerY + markRadius * sin(markAngle);
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_drawBlock(&offscreenView, x, y, markAngle, 14.0 * zoom);
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}
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offscreen.SetHighColor(255,255,255);
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offscreenView.SetHighColor(255, 255, 255);
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for(n=0,a=0,R=500*zoom;n<12;n++,a+=(2*M_PI)/12) {
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float x = width/2 + R * cos(a);
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float y = height/2 + R * sin(a);
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DrawBlock(&offscreen,x,y,a,32*zoom);
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markAngle = 0;
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markRadius = 500.0 * zoom;
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for (int mark = 0; mark < 12; mark++, markAngle += (2 * M_PI) / 12) {
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float x = centerX + markRadius * cos(markAngle);
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float y = centerY + markRadius * sin(markAngle);
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_drawBlock(&offscreenView, x, y, markAngle, 32 * zoom);
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}
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offscreen.SetHighColor(255,255,255);
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DrawArrow(&offscreen, width/2,height/2, ( ((2*M_PI)/60) * todayminute) - (M_PI/2), 220*zoom, 1, 8*zoom);
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DrawArrow(&offscreen, width/2,height/2, ( ((2*M_PI)/12) * todayhour) - (M_PI/2), 140*zoom, 1, 14*zoom);
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offscreen.FillEllipse(BPoint(width/2,height/2),24*zoom,24*zoom);
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offscreen.SetHighColor(250,20,20);
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DrawArrow(&offscreen, width/2,height/2, ( ((2*M_PI)/60) * todaysecond) - (M_PI/2), 240*zoom, 1, 4*zoom);
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offscreen.FillEllipse(BPoint(width/2,height/2),20*zoom,20*zoom);
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offscreenView.SetHighColor(255, 255, 255);
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_drawArrow(&offscreenView, centerX, centerY,
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((2 * M_PI / 60) * minuteVal) - (M_PI / 2), 220 * zoom, 1, 8 * zoom);
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offscreen.Sync();
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buffer.Unlock();
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view->DrawBitmap(&buffer);
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buffer.RemoveChild(&offscreen);
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_drawArrow(&offscreenView, centerX, centerY,
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((2 * M_PI / 12) * hourVal) - (M_PI / 2), 140 * zoom, 1, 14 * zoom);
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offscreenView.FillEllipse(BPoint(centerX, centerY),
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24 * zoom, 24 * zoom);
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offscreenView.SetHighColor(250, 20, 20);
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_drawArrow(&offscreenView, centerX, centerY,
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((2 * M_PI / 60) * secondVal) - (M_PI / 2), 240 * zoom, 1, 4 * zoom);
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offscreenView.FillEllipse(BPoint(centerX, centerY),
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20 * zoom, 20 * zoom);
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offscreenView.Sync();
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bufferBitmap.Unlock();
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view->DrawBitmap(&bufferBitmap);
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bufferBitmap.RemoveChild(&offscreenView);
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}
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void
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Clock::_drawBlock(BView *view, float x, float y, float alpha, float size)
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{
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float blockAngles[4] = {alpha - (M_PI / 12), alpha + (M_PI / 12),
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alpha + M_PI - (M_PI / 12), alpha + M_PI + (M_PI / 12)};
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BPoint blockPoints[4];
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for (int index = 0; index < 4; index++) {
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blockPoints[index].x = x + size * cos(blockAngles[index]);
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blockPoints[index].y = y + size * sin(blockAngles[index]);
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}
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view->FillPolygon(&blockPoints[0], 4);
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}
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void
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Clock::_drawArrow(BView *view, float x0, float y0, float angle, float length,
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float coeff, float width)
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{
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float alpha = width / length;
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float x = x0 + length * cos(angle);
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float y = y0 + length * sin(angle);
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float size = length * coeff;
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float blockAngles[4] = {angle - alpha, angle + alpha,
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angle + M_PI - alpha, angle + M_PI + alpha};
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BPoint blockPoints[4];
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for(int index = 0; index < 4; index++) {
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blockPoints[index].x = x + size * cos(blockAngles[index]);
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blockPoints[index].y = y + size * sin(blockAngles[index]);
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}
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view->FillPolygon(&blockPoints[0], 4);
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}
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