QMatrix LayerCamera::getViewAtFrame(int frameNumber) {
//qDebug() << ">> " << frameNumber;
int index = getLastIndexAtFrame(frameNumber);
int frame1 = -1;
int frame2 = -1;
Camera* camera1 = getCameraAtIndex(index);
if(camera1) frame1 = framesPosition.at(index);
Camera* camera2 = getCameraAtIndex(index+1);
if(camera2) frame2 = framesPosition.at(index+1);
if(camera1 == NULL && camera2 == NULL) {
return QMatrix();
}
if(camera1 == NULL && camera2 != NULL) {
return camera2->view;
}
if(camera2 == NULL && camera1 != NULL) {
return camera1->view;
}
if(camera1 != NULL && camera2 != NULL) {
// linear interpolation
qreal c2 = (frameNumber-frame1+0.0)/(frame2-frame1);
qreal c1 = 1.0 - c2;
//qDebug() << ">> -- " << c1 << c2;
return QMatrix( c1*camera1->view.m11() + c2*camera2->view.m11(),
c1*camera1->view.m12() + c2*camera2->view.m12(),
c1*camera1->view.m21() + c2*camera2->view.m21(),
c1*camera1->view.m22() + c2*camera2->view.m22(),
c1*camera1->view.dx() + c2*camera2->view.dx(),
c1*camera1->view.dy() + c2*camera2->view.dy() );
}
}
QImage* LayerVector::getLastImageAtFrame(int frameNumber, int increment, QSize size, bool simplified, bool showThinLines, qreal curveOpacity, bool antialiasing, int gradients) {
int index = getLastIndexAtFrame(frameNumber);
if(index == -1) {
return NULL;
} else {
return getImageAtIndex(index + increment, size, simplified, showThinLines, curveOpacity, antialiasing, gradients);
}
}
void LayerImage::setModified(int frameNumber, bool trueOrFalse)
{
int index = getLastIndexAtFrame(frameNumber);
if (index != -1)
{
framesModified[index] = trueOrFalse;
object->modification();
}
}
QImage* LayerImage::getLastImageAtFrame(int frameNumber, int increment)
{
int index = getLastIndexAtFrame(frameNumber);
if (index == -1)
{
return NULL;
}
else
{
return getImageAtIndex(index + increment);
}
}
BitmapImage* LayerBitmap::getLastBitmapImageAtFrame(int frameNumber, int increment)
{
int index = getLastIndexAtFrame(frameNumber);
return getBitmapImageAtIndex(index + increment);
}
VectorImage* LayerVector::getLastVectorImageAtFrame(int frameNumber, int increment)
{
int index = getLastIndexAtFrame(frameNumber);
return getVectorImageAtIndex(index + increment);
}
Camera* LayerCamera::getLastCameraAtFrame(int frameNumber, int increment) {
int index = getLastIndexAtFrame(frameNumber);
return getCameraAtIndex(index + increment);
}
