/****************************************************************************
**?$Id:?qt/display.cpp???3.2.1???edited?Jun?25?18:25?$
**
**?Copyright?（C）?1992-2001?Trolltech?AS.??All?rights?reserved.
**
**?This?file?is?part?of?an?example?program?for?Qt.??This?example
**?program?may?be?used?distributed?and?modified?without?limitation.
**
*****************************************************************************/

#include?“display.h“

#include?
#include?
#include?
#include?
#include?ame.h>
#include?
#include?
#include?
#include?

#include?

Screen::Screen（??QWidget?*parent?const?char?*name?）
????:?Qframe（?parent?name?）
{
????setLineWidth（?frameWidth?）;
????setframestyle（?Panel?|?Sunken?）;
????setBackgroundMode（?Palettebase?）;
????setSizePolicy（?QSizePolicy::MinimumExpanding?QSizePolicy::MinimumExpanding?）;
????setPaletteBackgroundColor（?black?）;
????setPaletteForegroundColor（?blue?）;

????yval?=?new?int[width（）];
????memset（?yval?0?sizeof（int）*width（）?）;
????pos0?=?0;
????t0?=?0;
????step?=?0;
}

Screen::~Screen（）
{
????delete?yval;
}

void?Screen::resizeEvent（?QResizeEvent?*e?）
{
????delete?yval;
????int?w?=?e->size（）.width（）;
????yval?=?new?int[w];
????memset（?yval?0?sizeof（int）*w）;
}

void?Screen::animate（）
{
????if?（?step?==?0?）
	return;

????int?t?=?t0;
????int?p?=?pos0;
????if?（?step?	t?+=?width（）?+?step;
????}?else?{
	t?-=?step;
	p?-=?step;
	if?（?p?	????p?+=?width（）;
???}

????for?（?int?i?=?0;?i?	int?y?=?（int）（（height（）-frameWidth）/2?*?sin（?3.1415*（double）t/180.0?））;
	yval[?p?]?=?y;
	++t;
	t?%=?360;
	++p;
	p?%=?width（）;
????}
????t0?-=?step;
????if?（?t0?	t0?+=?360;
????pos0?=?（pos0?-?step）?%?width（）;
????if?（?pos0?	pos0?+=?width（）;

????scroll（?step?0?QRect（?frameWidth?frameWidth?width（）-2*frameWidth?height（）-2*frameWidth?））;
}

void?Screen::setStep（?int?s?）
{
????step?=?s;
}

void?Screen::drawContents（?QPainter?*p?）
{
????QRect?r?=?p->hasClipping（）??
	??????p->clipRegion（）.boundingRect（）?:?contentsRect（）;

????int?vp?=?（?r.left（）?-?frameWidth?+?pos0?）?%?width（）;
????int?y0?=?frameWidth?+?height（）/2;
????
????for?（?int?x?=?r.left（）;?x?<=?r.right（）;?x++?）?{
	p->drawLine（?x?y0?+?yval[?vp?]?x?r.bottom（））;
	++vp;
	vp?%=?width（）;
????}
}

/***********************************************************************/

Curve::Curve（?QWidget?*parent?const?char?*name?）
????:?Qframe（?parent?name?）
{
????setLineWidth（?frameWidth?）;
????setframestyle（?Panel?|?Sunken?）;
????setBackgroundMode（?Palettebase?）;
????setPaletteBackgroundColor（black）;
????setPaletteForegroundColor（red）;
????setSizePolicy（?QSizePolicy::MinimumExpanding?QSizePolicy::MinimumExpanding?）;

????shift?=?0;
????n?=?1;
}

void?Curve::drawContents（?QPainter?*p?）
{
????p->moveTo（?width（）/2

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

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?????文件???????6758??2009-04-03?11:25??qtshuanghuancun\qthumbwheel.cpp

?????文件??????33446??2009-04-03?11:25??qtshuanghuancun\Makefile

?????文件???????9730??2009-04-03?11:25??qtshuanghuancun\main.cpp

?????文件??????70478??2009-04-03?11:25??qtshuanghuancun\icons.h

?????文件????????807??2009-04-03?11:25??qtshuanghuancun\graph.h

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?????文件???????1163??2009-04-03?11:25??qtshuanghuancun\frame.h

?????文件???????4887??2009-04-03?11:25??qtshuanghuancun\frame.cpp

?????文件???????1945??2009-04-03?11:25??qtshuanghuancun\display.h

?????文件???????5487??2009-04-03?11:25??qtshuanghuancun\display.cpp

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?????文件????????328??2009-04-03?11:25??qtshuanghuancun\demo.doc

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?????文件?????802816??2009-04-03?11:27??qtshuanghuancun\demo.exe

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?????文件??????????4??2009-04-03?12:29??qtshuanghuancun\.bookmarks

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?????文件???????3722??2009-04-03?11:27??qtshuanghuancun\widgets\widgetsbase.h

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?????文件??????40139??2009-04-03?11:25??qtshuanghuancun\translations\demo_fr.ts

............此處省略389個文件信息