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#include "animateditem.h"

#include <QtGui/qbitmap.h>

#include <QtGui/qpainter.h>

AnimatedPixmapItem::AnimatedPixmapItem(const QList<QPixmap> &animation,

                                       QGraphicsScene *scene)

    : QGraphicsItem(0, scene), currentFrame(0), vx(0), vy(0)

{

    for (int i = 0; i < animation.size(); ++i) {

        QPixmap pixmap = animation.at(i);

        Frame frame;

        frame.pixmap = pixmap;

        frame.shape = QPainterPath();

        frame.boundingRect = pixmap.rect();

        frames << frame;

    }

}

void AnimatedPixmapItem::setFrame(int frame)

{

    if (!frames.isEmpty()) {

        prepareGeometryChange();

        currentFrame = frame % frames.size();

    }

}

void AnimatedPixmapItem::advance(int phase)

{

    if (phase == 1)

        moveBy(vx, vy);

}

QRectF AnimatedPixmapItem::boundingRect() const

{

    return frames.at(currentFrame).boundingRect;

}

QPainterPath AnimatedPixmapItem::shape() const

{

    const Frame &f = frames.at(currentFrame);

    if (f.shape.isEmpty()) {

        QPainterPath path;

        path.addRegion(f.pixmap.createHeuristicMask());

        const_cast<Frame &>(f).shape = path;

    }

    return f.shape;

}

void AnimatedPixmapItem::paint(QPainter *painter, const QStyleOptionGraphicsItem * /*option*/,

                               QWidget * /*widget*/)

{

    painter->drawPixmap(0, 0, frames.at(currentFrame).pixmap);

}