QTfrontend/bgwidget.cpp
changeset 2948 3f21a9dc93d0
parent 2377 f3fab2b09e0c
child 4560 5d6c7f88db73
--- a/QTfrontend/bgwidget.cpp	Sat Mar 06 10:54:24 2010 +0000
+++ b/QTfrontend/bgwidget.cpp	Sat Mar 06 10:59:20 2010 +0000
@@ -20,9 +20,9 @@
 
 SpritePosition::SpritePosition(QWidget * parent, int sh)
 {
-	wParent = parent;
-	iSpriteHeight = sh;
-	reset();
+    wParent = parent;
+    iSpriteHeight = sh;
+    reset();
 }
 
 SpritePosition::~SpritePosition()
@@ -31,110 +31,110 @@
 
 void SpritePosition::move()
 {
-	fX += fXMov;
-	fY += fYMov;
-	iAngle += 4;
-	if (iAngle >= 360) iAngle = 0;
-	if (fY > wParent->height()) reset();
+    fX += fXMov;
+    fY += fYMov;
+    iAngle += 4;
+    if (iAngle >= 360) iAngle = 0;
+    if (fY > wParent->height()) reset();
 }
 
 void SpritePosition::reset()
 {
-	fY = -1 * iSpriteHeight;
-	fX = (qrand() % ((int)(wParent->width() * 1.5))) - wParent->width()/2;
-	fYMov = ((qrand() % 400)+300) / 100.0f;
-	fXMov = fYMov * 0.5f;
-	iAngle = qrand() % 360;
+    fY = -1 * iSpriteHeight;
+    fX = (qrand() % ((int)(wParent->width() * 1.5))) - wParent->width()/2;
+    fYMov = ((qrand() % 400)+300) / 100.0f;
+    fXMov = fYMov * 0.5f;
+    iAngle = qrand() % 360;
 }
 
 QPoint SpritePosition::pos()
 {
-	return QPoint((int)fX,(int)fY);
+    return QPoint((int)fX,(int)fY);
 }
 
 int SpritePosition::getAngle()
 {
-	return iAngle;
+    return iAngle;
 }
 
 void SpritePosition::init()
 {
-	fY = qrand() % (wParent->height() + 1);
-	fX = qrand() % (wParent->width() + 1);
+    fY = qrand() % (wParent->height() + 1);
+    fX = qrand() % (wParent->width() + 1);
 }
 
 BGWidget::BGWidget(QWidget * parent) : QWidget(parent)
 {
     setAttribute(Qt::WA_NoSystemBackground, true);
-	sprite.load(":/res/Star.png");
+    sprite.load(":/res/Star.png");
 
-	setAutoFillBackground(false);
+    setAutoFillBackground(false);
 
-	for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i] = new SpritePosition(this, sprite.height());
+    for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i] = new SpritePosition(this, sprite.height());
 
-	for (int i = 0; i < 360; i++)
-	{
-		rotatedSprites[i] = new QImage(sprite.width(), sprite.height(), QImage::Format_ARGB32);
-		rotatedSprites[i]->fill(0);
+    for (int i = 0; i < 360; i++)
+    {
+        rotatedSprites[i] = new QImage(sprite.width(), sprite.height(), QImage::Format_ARGB32);
+        rotatedSprites[i]->fill(0);
 
-		QPoint translate(sprite.width()/2, sprite.height()/2);
+        QPoint translate(sprite.width()/2, sprite.height()/2);
 
-		QPainter p;
-		p.begin(rotatedSprites[i]);
-	//	p.setRenderHint(QPainter::Antialiasing);
-		p.setRenderHint(QPainter::SmoothPixmapTransform);
-		p.translate(translate.x(), translate.y());
-		p.rotate(i);
-		p.translate(-1*translate.x(), -1*translate.y());
-		p.drawImage(0, 0, sprite);
-	}
+        QPainter p;
+        p.begin(rotatedSprites[i]);
+    //  p.setRenderHint(QPainter::Antialiasing);
+        p.setRenderHint(QPainter::SmoothPixmapTransform);
+        p.translate(translate.x(), translate.y());
+        p.rotate(i);
+        p.translate(-1*translate.x(), -1*translate.y());
+        p.drawImage(0, 0, sprite);
+    }
 
-	timerAnimation = new QTimer();
-	connect(timerAnimation, SIGNAL(timeout()), this, SLOT(animate()));
-	timerAnimation->setInterval(ANIMATION_INTERVAL);
+    timerAnimation = new QTimer();
+    connect(timerAnimation, SIGNAL(timeout()), this, SLOT(animate()));
+    timerAnimation->setInterval(ANIMATION_INTERVAL);
 }
 
 BGWidget::~BGWidget()
 {
-	for (int i = 0; i < SPRITE_MAX; i++) delete spritePositions[i];
-	for (int i = 0; i < 360; i++) delete rotatedSprites[i];
-	delete timerAnimation;
+    for (int i = 0; i < SPRITE_MAX; i++) delete spritePositions[i];
+    for (int i = 0; i < 360; i++) delete rotatedSprites[i];
+    delete timerAnimation;
 }
 
 void BGWidget::paintEvent(QPaintEvent *event)
 {
-	QPainter p;
-	p.begin(this);
-	//p.setRenderHint(QPainter::Antialiasing);
-	for (int i = 0; i < SPRITE_MAX; i++)
-	{
-		QPoint point = spritePositions[i]->pos();
-		p.drawImage(point.x(), point.y(), *rotatedSprites[spritePositions[i]->getAngle()]);
-	}
-	p.end();
+    QPainter p;
+    p.begin(this);
+    //p.setRenderHint(QPainter::Antialiasing);
+    for (int i = 0; i < SPRITE_MAX; i++)
+    {
+        QPoint point = spritePositions[i]->pos();
+        p.drawImage(point.x(), point.y(), *rotatedSprites[spritePositions[i]->getAngle()]);
+    }
+    p.end();
 }
 
 void BGWidget::animate()
 {
-	for (int i = 0; i < SPRITE_MAX; i++)
-	{
+    for (int i = 0; i < SPRITE_MAX; i++)
+    {
         // bottom edge of star *seems* clipped, but in fact, if I switch to just plain old repaint()/update() it is still clipped - artifact of transform?  As for 5, is arbitrary number. 4 was noticeably clipping, 5 seemed same as update() - I assume extra room is due to rotation and value really should be calculated proportional to width/height
         update(spritePositions[i]->pos().x(),spritePositions[i]->pos().y(), sprite.width()+5, sprite.height()+5);
-		spritePositions[i]->move();
-	}
+        spritePositions[i]->move();
+    }
 }
 
 void BGWidget::startAnimation()
 {
-	timerAnimation->start();
+    timerAnimation->start();
 }
 
 void BGWidget::stopAnimation()
 {
-	timerAnimation->stop();
+    timerAnimation->stop();
 }
 
 void BGWidget::init()
 {
-	for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i]->init();
+    for (int i = 0; i < SPRITE_MAX; i++) spritePositions[i]->init();
 }