author | zecke <zecke> | 2004-04-04 15:13:22 (UTC) |
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committer | zecke <zecke> | 2004-04-04 15:13:22 (UTC) |
commit | 5b52572e2ec9f0f6f39706aceb9ec1e98440fd3d (patch) (side-by-side diff) | |
tree | 402775f87048450bf9e26bdb8e8e1f4ab3dc2a0e /noncore | |
parent | c978418067f228bd21cef23a13009d591e55f8df (diff) | |
download | opie-5b52572e2ec9f0f6f39706aceb9ec1e98440fd3d.zip opie-5b52572e2ec9f0f6f39706aceb9ec1e98440fd3d.tar.gz opie-5b52572e2ec9f0f6f39706aceb9ec1e98440fd3d.tar.bz2 |
Repaint
Make it slower due to stipled background of liquid... we need to fillRect
first
-rw-r--r-- | noncore/tools/clock/analogclock.cpp | 112 | ||||
-rw-r--r-- | noncore/tools/clock/analogclock.h | 1 |
2 files changed, 54 insertions, 59 deletions
diff --git a/noncore/tools/clock/analogclock.cpp b/noncore/tools/clock/analogclock.cpp index c5f0155..7f8ca67 100644 --- a/noncore/tools/clock/analogclock.cpp +++ b/noncore/tools/clock/analogclock.cpp @@ -1,203 +1,197 @@ /********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #include "analogclock.h" #include <qlayout.h> #include <qpainter.h> #include <qtopia/global.h> #include <math.h> const double deg2rad = 0.017453292519943295769; // pi/180 AnalogClock::AnalogClock( QWidget *parent, const char *name ) : QFrame( parent, name ), clear(false) { setMinimumSize(50,50); } QSizePolicy AnalogClock::sizePolicy() const { return QSizePolicy( QSizePolicy::Expanding, QSizePolicy::Expanding ); } void AnalogClock::drawContents( QPainter *p ) { -#if !defined(NO_DEBUG) - static bool first = true; - if ( first ) { -// QTOPIA_PROFILE("first paint event"); - first = false; - } -#endif QRect r = contentsRect(); if ( r.width() < r.height() ) { r.setY( (r.height() - r.width())/2 ); r.setHeight( r.width() ); } + QPoint l1( r.x() + r.width() / 2, r.y() + 2 ); + QPoint l2( r.x() + r.width() / 2, r.y() + 8 ); QPoint center( r.x() + r.width() / 2, r.y() + r.height() / 2 ); - const int w_tick = r.width()/300+1; - const int w_sec = r.width()/400+1; - const int w_hour = r.width()/80+1; + QBrush bgBrush = colorGroup().brush( QColorGroup::Background ); - QPoint l1( r.x() + r.width() / 2, r.y() + 2 ); - QPoint l2( r.x() + r.width() / 2, r.y() + 8 ); +// if ( clear ){ + p->fillRect ( r, bgBrush ); - QPoint h1( r.x() + r.width() / 2, r.y() + r.height() / 4 ); - QPoint h2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); - QPoint m1( r.x() + r.width() / 2, r.y() + r.height() / 9 ); - QPoint m2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); + // draw ticks + p->setPen( QPen( colorGroup ( ). color ( QColorGroup::Text ), 1 ) ); + for ( int i = 0; i < 12; i++ ) + p->drawLine( rotate( center, l1, i * 30 ), rotate( center, l2, i * 30 ) ); +// }else { +// p->setBrush( bgBrush ); +// drawPointers ( p, r, colorGroup ( ). color ( QColorGroup::Background ), prevTime, &currTime ); +// } - QPoint s1( r.x() + r.width() / 2, r.y() + 8 ); - QPoint s2( r.x() + r.width() / 2, r.y() + r.height() / 2 ); + QColor col = colorGroup().color( QColorGroup::Text ); + p->setBrush( col ); + drawPointers ( p, r, col, currTime ); - QColor color( clear ? backgroundColor() : black ); - QTime time = clear ? prevTime : currTime; - if ( clear && prevTime.secsTo(currTime) > 1 ) { - p->eraseRect( rect() ); - return; - } + prevTime = currTime; +} - if ( !clear ) { - // draw ticks - p->setPen( QPen( color, w_tick ) ); - for ( int i = 0; i < 12; i++ ) - p->drawLine( rotate( center, l1, i * 30 ), rotate( center, l2, i * 30 ) ); - } +void AnalogClock::drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 ) +{ + QPoint center = r. center ( ); - if ( !clear || prevTime.minute() != currTime.minute() || - prevTime.hour() != currTime.hour() ) { - // draw hour pointer - h1 = rotate( center, h1, 30 * ( time.hour() % 12 ) + time.minute() / 2 ); - h2 = rotate( center, h2, 30 * ( time.hour() % 12 ) + time.minute() / 2 ); - p->setPen( color ); - p->setBrush( color ); - drawHand( p, h1, h2 ); - } - if ( !clear || prevTime.minute() != currTime.minute() ) { - // draw minute pointer - m1 = rotate( center, m1, time.minute() * 6 ); - m2 = rotate( center, m2, time.minute() * 6 ); - p->setPen( color ); - p->setBrush( color ); - drawHand( p, m1, m2 ); - } + QPoint h1( center. x ( ), r. y ( ) + r. height ( ) / 4 ); + QPoint h2( center. x ( ), center. y ( ) ); - // draw second pointer - s1 = rotate( center, s1, time.second() * 6 ); - s2 = rotate( center, s2, time.second() * 6 ); - p->setPen( QPen( color, w_sec ) ); - p->drawLine( s1, s2 ); + QPoint m1( center. x ( ), r.y() + r.height() / 8 ); + QPoint m2( center. x ( ), center. y ( ) ); - // cap - p->setBrush(color); - p->drawEllipse( center.x()-w_hour/2, center.y()-w_hour/2, w_hour, w_hour ); + QPoint s1( center. x ( ), r. y ( ) + 8 ); + QPoint s2( center. x ( ), center. y ( ) ); - if ( !clear ) - prevTime = currTime; + + if ( !t2 || ( t. minute ( ) != t2-> minute ( ) || t. hour ( ) != t2-> hour ( ))) { + // draw hour pointer + h1 = rotate( center, h1, 30 * ( t.hour() % 12 ) + t.minute() / 2 ); + h2 = rotate( center, h2, 30 * ( t.hour() % 12 ) + t.minute() / 2 ); + p-> setPen ( QPen ( c, 3 )); + drawHand( p, h1, h2 ); + } + + if ( !t2 || ( t. minute ( ) != t2-> minute ( ))) { + // draw minute pointer + m1 = rotate( center, m1, t.minute() * 6 ); + m2 = rotate( center, m2, t.minute() * 6 ); + p-> setPen ( QPen ( c, 2 )); + drawHand( p, m1, m2 ); + } + + if ( !t2 || ( t. second ( ) != t2-> second ( ))) { + // draw second pointer + s1 = rotate( center, s1, t.second() * 6 ); + s2 = rotate( center, s2, t.second() * 6 ); + p-> setPen ( QPen ( c, 1 )); + p-> drawLine ( s1, s2 ); + } } + // Dijkstra's bisection algorithm to find the square root as an integer. static uint int_sqrt(uint n) { if ( n >= UINT_MAX>>2 ) // n must be in the range 0...UINT_MAX/2-1 return 2*int_sqrt( n/4 ); uint h, p= 0, q= 1, r= n; while ( q <= n ) q <<= 2; while ( q != 1 ) { q >>= 2; h= p + q; p >>= 1; if ( r >= h ) { p += q; r -= h; } } return p; } void AnalogClock::drawHand( QPainter *p, QPoint p1, QPoint p2 ) { int hw = 7; if ( contentsRect().height() < 100 ) hw = 5; int dx = p2.x() - p1.x(); int dy = p2.y() - p1.y(); int w = dx*dx+dy*dy; int ix,iy; w = int_sqrt(w*256); iy = w ? (hw * dy * 16)/ w : dy ? 0 : hw; ix = w ? (hw * dx * 16)/ w : dx ? 0 : hw; // rounding dependent on sign int nix, niy; if ( ix < 0 ) { nix = ix/2; ix = (ix-1)/2; } else { nix = (ix+1)/2; ix = ix/2; } if ( iy < 0 ) { niy = iy/2; iy = (iy-1)/2; } else { niy = (iy+1)/2; iy = iy/2; } QPointArray pa(4); pa[0] = p1; pa[1] = QPoint( p2.x()+iy, p2.y()-nix ); pa[2] = QPoint( p2.x()-niy, p2.y()+ix ); pa[3] = p1; p->drawPolygon( pa ); } void AnalogClock::display( const QTime& t ) { currTime = t; - clear = true; - repaint( false ); clear = false; repaint( false ); + clear = true; } QPoint AnalogClock::rotate( QPoint c, QPoint p, int a ) { double angle = deg2rad * ( - a + 180 ); double nx = c.x() - ( p.x() - c.x() ) * cos( angle ) - ( p.y() - c.y() ) * sin( angle ); double ny = c.y() - ( p.y() - c.y() ) * cos( angle ) + ( p.x() - c.x() ) * sin( angle ); return QPoint( int(nx), int(ny) ); } diff --git a/noncore/tools/clock/analogclock.h b/noncore/tools/clock/analogclock.h index 3aa035e..5f30d68 100644 --- a/noncore/tools/clock/analogclock.h +++ b/noncore/tools/clock/analogclock.h @@ -1,49 +1,50 @@ /********************************************************************** ** Copyright (C) 2000-2002 Trolltech AS. All rights reserved. ** ** This file is part of the Qtopia Environment. ** ** This file may be distributed and/or modified under the terms of the ** GNU General Public License version 2 as published by the Free Software ** Foundation and appearing in the file LICENSE.GPL included in the ** packaging of this file. ** ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. ** ** See http://www.trolltech.com/gpl/ for GPL licensing information. ** ** Contact info@trolltech.com if any conditions of this licensing are ** not clear to you. ** **********************************************************************/ #ifndef ANALOGCLOCK_H #define ANALOGCLOCK_H #include <qdatetime.h> #include <qframe.h> class AnalogClock : public QFrame { Q_OBJECT public: AnalogClock( QWidget *parent=0, const char *name=0 ); QSizePolicy sizePolicy() const; void display( const QTime& time ); protected: void drawContents( QPainter *p ); void drawHand( QPainter *p, QPoint, QPoint ); + void drawPointers ( QPainter *p, const QRect &r, const QColor &c, const QTime &t, const QTime *t2 = 0); private: QPoint rotate( QPoint center, QPoint p, int angle ); QTime currTime; QTime prevTime; bool clear; }; #endif |