void ossimQtVceCanvasWidget::openImageFile(const ossimString& filename,
QPoint& locationPt,
std::vector<QCanvasItem*>& newItemList)
{
ossimRefPtr<ossimImageHandler> ih = ossimImageHandlerRegistry::instance()->open(filename);
QCanvasItem* newItem = (QCanvasItem*)NULL;
if(ih.valid())
{
ih->setDescription(ih->getFilename());
newItem = addObject(ih.get(),
locationPt);
if(!newItem)
{
ih = 0;
}
else
{
QRect bounds = newItem->boundingRect();
locationPt.setY(locationPt.y() + bounds.height() + 10);
newItemList.push_back(newItem);
newItem->show();
}
}
}
void k9MenuEditor::contentsMouseMoveEvent(QMouseEvent* e) {
updateCursor(e);
if ( moving && (e->state() & Qt::LeftButton ==Qt::LeftButton) ) {
if (moving->rtti() !=QCanvasItem::Rtti_Text || moving==m_menu->getText()) {
QPoint p = inverseWorldMatrix().map(e->pos());
int offsetX=p.x() - moving_start.x();
int offsetY=p.y() - moving_start.y();
moving_start = p;
if (moving->rtti()==1000 || moving->rtti() == QCanvasItem::Rtti_Rectangle) {
for (k9MenuButton *b=m_selection.first();b;b=m_selection.next()) {
k9CanvasSprite*spr=b->getSprite();
spr->moveBy(offsetX,offsetY);
spr->update();
}
} else
moving->moveBy(offsetX,offsetY);
if (moving->rtti() >2001 && moving->rtti() <2010) {
k9CanvasSelectionRedim *ssr=(k9CanvasSelectionRedim*)moving;
ssr->updateSelection();
} else if (moving->rtti() != QCanvasItem::Rtti_Text ){
//if selection not resized, move the selection
m_canvasSelection->moveBy(offsetX,offsetY);
m_canvasSelection->update();
}
if (moving==m_menu->getText())
emit m_menu->updateTextPos(QPoint(moving->x(),moving->y()));
canvas()->update();
}
} else if ((e->state() & Qt::LeftButton) ==Qt::LeftButton ) {
m_canvasSelection->hide();
canvas()->update();
QPoint p = inverseWorldMatrix().map(e->pos());
int offsetX=p.x() - moving_start.x();
int offsetY=p.y() - moving_start.y();
m_canvasSelection->setSize(offsetX,offsetY);
m_canvasSelection->show();
canvas()->update();
clearSelection();
QCanvasItemList l=canvas()->collisions(m_canvasSelection->getRect());
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
QCanvasItem *item = *it;
if (item->rtti()==1000) {
addSelection(item);
}
}
}
}
void Snake::detectCrash()
{
QCanvasSprite* head = snakelist.first();
QCanvasItem* item;
QCanvasItemList l=head->collisions(FALSE);
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
item = *it;
// check if snake hit target
if ( (item->rtti()== 1500 ) && (item->collidesWith(head)) ) {
Target* target = (Target*) item;
target->done();
emit targethit();
extendSnake();
setScore(5);
return;
}
// check if snake hit obstacles
if ( (item->rtti()==1600) && (item->collidesWith(head)) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
//check if snake hit itself
for (uint i = 3; i < snakelist.count(); i++) {
if (head->collidesWith(snakelist.at(i)) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
//check if snake hit edge
if ( (head->x() > canvas->width()-5) || (head->y() > canvas->height()-10)
|| (head->x() <2) || (head->y() <-5) ) {
emit dead();
autoMoveTimer->stop();
return;
}
}
void Bullet::checkCollision()
{
QCanvasItem* item;
QCanvasItemList l=collisions(FALSE);
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
item = *it;
if ( (item->rtti()== 1500) && (item->collidesWith(this)) ) {
Man* deadman = (Man*)item;
if (deadman->frame() != 5) return;
deadman->done();
emit score(10);
setShotCount(shotcount+1);
setAnimated(false);
nobullets--;
delete this;
return;
}
else if ( (item->rtti()==1900) && (item->collidesWith(this)) ) {
Helicopter* deadchopper = (Helicopter*) item;
deadchopper->done();
emit score(50);
setAnimated(false);
nobullets--;
delete this;
return;
}
}
//check shot is not out of bounds
if ( (y() < 0) || (x() < 0) ||
(y() > canvas()->height()) ||
( x() > canvas()->width())) {
setAnimated(false);
nobullets--;
delete this;
return;
}
}
void Main::addSprite()
{
QCanvasItem* i = new BouncyLogo(&canvas);
i->setZ(rand()%256);
i->show();
}
void BouncyLogo::advance(int stage)
{
switch ( stage ) {
case 0: {
double vx = xVelocity();
double vy = yVelocity();
if ( vx == 0.0 && vy == 0.0 ) {
// stopped last turn
initSpeed();
vx = xVelocity();
vy = yVelocity();
}
double nx = x() + vx;
double ny = y() + vy;
if ( nx < 0 || nx >= canvas()->width() )
vx = -vx; // 換反方向
if ( ny < 0 || ny >= canvas()->height() )
vy = -vy; // 換反方向
for (int bounce=0; bounce<4; bounce++) {
QCanvasItemList l=collisions(FALSE); // 沒有那麼精準的傳回所有有碰撞的canvas item
for (QCanvasItemList::Iterator it=l.begin(); it!=l.end(); ++it) {
QCanvasItem *hit = *it;
if ( hit->rtti()==logo_rtti && hit->collidesWith(this) ) {
switch ( bounce ) {
case 0:
vx = -vx;
break;
case 1:
vy = -vy;
vx = -vx;
break;
case 2:
vx = -vx;
break;
case 3:
// Stop for this turn
vx = 0;
vy = 0;
break;
}
setVelocity(vx,vy);
break;
}
}
}
if ( x()+vx < 0 || x()+vx >= canvas()->width() )
vx = 0;
if ( y()+vy < 0 || y()+vy >= canvas()->height() )
vy = 0;
setVelocity(vx,vy);
} break;
case 1:
QCanvasItem::advance(stage);
break;
}
}
void ossimQtVceCanvasWidget::addAllObjects(const ossimKeywordlist& kwl,
const QPoint& location,
const char* prefix)
{
unselectItems();
QPoint locationPoint = location;
ossimString copyPrefix = prefix;
std::vector<QCanvasItem*> newItemList;
ossimString regExpression = ossimString("^(") + copyPrefix + "object[0-9]+.)";
vector<ossimString> keys =
kwl.getSubstringKeyList( regExpression );
long numberOfObjets = keys.size();//kwl.getNumberOfSubstringKeys(regExpression);
int offset = (copyPrefix+"object").size();
int idx = 0;
std::vector<int> theNumberList(numberOfObjets);
for(idx = 0; idx < (int)theNumberList.size();++idx)
{
ossimString numberStr(keys[idx].begin() + offset,
keys[idx].end());
theNumberList[idx] = numberStr.toInt();
}
std::sort(theNumberList.begin(), theNumberList.end());
for(idx=0;idx < (int)theNumberList.size();++idx)
{
ossimString newPrefix = copyPrefix;
newPrefix += ossimString("object");
newPrefix += ossimString::toString(theNumberList[idx]);
newPrefix += ossimString(".");
ossimString objType = kwl.find(newPrefix,
ossimKeywordNames::TYPE_KW);
QCanvasItem* item = NULL;
if(objType == "ossimQtImageWindow")
{
item = new ossimQtVceImageDisplayObject(canvas(),
this);
item->setX(locationPoint.x());
item->setY(locationPoint.y());
item->show();
emit itemAdded(item);
}
else if(objType == "ossimImageHandler")
{
QStringList filenames = QFileDialog::getOpenFileNames("Images (*.adf *.ccf *.dem *.DEM *.dt1 *.dt0 *.dt2 *.hdr *.hgt *.jpg *.jpeg *.img *.doqq *.fst *.FST *.nitf *.NTF *.ntf *.ras *.sid *.tif *.tiff *.toc *.TOC);;Vectors(*.shp dht *.tab);;All Files(*)",
QString::null,
this,
"open file dialog",
"Choose a file to open");
QStringList::Iterator it;
for(it = filenames.begin(); it != filenames.end(); ++it)
{
std::vector<QCanvasItem*> newItems;
openImageFile((*it).ascii(),
locationPoint,
newItems);
if(newItems.size())
{
// QRect bounds = newItems[newItems.size()-1]->boundingRect();
// locationPoint.setY(locationPoint.y() + bounds.height() + 10);
newItemList.insert(newItemList.end(),
newItems.begin(),
newItems.end());
}
}
// we will make sure that we don't adjust the location point any further
//
item = NULL;
}
else
{
ossimObject* object = ossimObjectFactoryRegistry::instance()->createObject(objType);
if(object)
{
item = addObject(object, locationPoint);
}
}
if(item)
{
newItemList.push_back(item);
QRect bounds = item->boundingRect();
locationPoint.setY(locationPoint.y() + bounds.height() + 10);
emit itemAdded(item);
}
}
if(newItemList.size() > 0)
{
for(idx = 0; idx < (int)newItemList.size(); ++idx)
{
newItemList[idx]->setSelected(true);
theSelectedItems.push_back(newItemList[idx]);
emit itemSelected(newItemList[idx]);
}
}
}
void KviCanvasView::insertObjectAt(const QPoint & pnt,ObjectType o)
{
QCanvasItem * r = 0;
switch(o)
{
case Rectangle:
r = new KviCanvasRectangle(canvas(),pnt.x(),pnt.y(),0,0);
break;
case RichText:
r = new KviCanvasRichText(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Line:
r = new KviCanvasLine(canvas(),pnt.x(),pnt.y(),pnt.x(),pnt.y());
break;
case Ellipse:
r = new KviCanvasEllipse(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Pie:
r = new KviCanvasPie(canvas(),pnt.x(),pnt.y(),0,0);
break;
case Chord:
r = new KviCanvasChord(canvas(),pnt.x(),pnt.y(),0,0);
break;
case PolygonTriangle:
{
QPointArray pa(3);
pa.setPoint(0,0,-500);
pa.setPoint(1,-450,220);
pa.setPoint(2,450,220);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonRectangle:
{
QPointArray pa(4);
pa.setPoint(0,-350,-350);
pa.setPoint(1,350,-350);
pa.setPoint(2,350,350);
pa.setPoint(3,-350,350);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonPentagon:
{
QPointArray pa(5);
calcPolygonPoints(pa,5);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
case PolygonHexagon:
{
QPointArray pa(6);
calcPolygonPoints(pa,6);
r = new KviCanvasPolygon(canvas(),pnt.x(),pnt.y(),pa,0.1);
}
break;
}
if(r)
{
setItemSelected(r);
r->setEnabled(true);
r->show();
}
switch(KVI_CANVAS_RTTI_CONTROL_TYPE(r))
{
case KVI_CANVAS_RTTI_CONTROL_TYPE_RECTANGLE:
beginDragRectangle((KviCanvasRectangleItem *)r,pnt,true);
break;
case KVI_CANVAS_RTTI_CONTROL_TYPE_LINE:
beginDragLine((KviCanvasLine *)r,pnt,true);
break;
// case KVI_CANVAS_RTTI_CONTROL_TYPE_POLYGON:
// beginDragPolygon((KviCanvasPolygon *)r,pnt,true);
// break;
}
// canvas()->update();
}