void Converter::convertResolution(NodeOperationBuilder &builder, NodeOperationOutput *fromSocket, NodeOperationInput *toSocket)
{
InputResizeMode mode = toSocket->getResizeMode();
NodeOperation *toOperation = &toSocket->getOperation();
const float toWidth = toOperation->getWidth();
const float toHeight = toOperation->getHeight();
NodeOperation *fromOperation = &fromSocket->getOperation();
const float fromWidth = fromOperation->getWidth();
const float fromHeight = fromOperation->getHeight();
bool doCenter = false;
bool doScale = false;
float addX = (toWidth - fromWidth) / 2.0f;
float addY = (toHeight - fromHeight) / 2.0f;
float scaleX = 0;
float scaleY = 0;
switch (mode) {
case COM_SC_NO_RESIZE:
break;
case COM_SC_CENTER:
doCenter = true;
break;
case COM_SC_FIT_WIDTH:
doCenter = true;
doScale = true;
scaleX = scaleY = toWidth / fromWidth;
break;
case COM_SC_FIT_HEIGHT:
doCenter = true;
doScale = true;
scaleX = scaleY = toHeight / fromHeight;
break;
case COM_SC_FIT:
doCenter = true;
doScale = true;
scaleX = toWidth / fromWidth;
scaleY = toHeight / fromHeight;
if (scaleX < scaleY) {
scaleX = scaleY;
}
else {
scaleY = scaleX;
}
break;
case COM_SC_STRETCH:
doCenter = true;
doScale = true;
scaleX = toWidth / fromWidth;
scaleY = toHeight / fromHeight;
break;
}
if (doCenter) {
NodeOperation *first = NULL;
ScaleOperation *scaleOperation = NULL;
if (doScale) {
scaleOperation = new ScaleOperation();
scaleOperation->getInputSocket(1)->setResizeMode(COM_SC_NO_RESIZE);
scaleOperation->getInputSocket(2)->setResizeMode(COM_SC_NO_RESIZE);
first = scaleOperation;
SetValueOperation *sxop = new SetValueOperation();
sxop->setValue(scaleX);
builder.addLink(sxop->getOutputSocket(), scaleOperation->getInputSocket(1));
SetValueOperation *syop = new SetValueOperation();
syop->setValue(scaleY);
builder.addLink(syop->getOutputSocket(), scaleOperation->getInputSocket(2));
builder.addOperation(sxop);
builder.addOperation(syop);
unsigned int resolution[2] = {fromOperation->getWidth(),
fromOperation->getHeight()};
scaleOperation->setResolution(resolution);
sxop->setResolution(resolution);
syop->setResolution(resolution);
builder.addOperation(scaleOperation);
}
TranslateOperation *translateOperation = new TranslateOperation();
translateOperation->getInputSocket(1)->setResizeMode(COM_SC_NO_RESIZE);
translateOperation->getInputSocket(2)->setResizeMode(COM_SC_NO_RESIZE);
if (!first) first = translateOperation;
SetValueOperation *xop = new SetValueOperation();
xop->setValue(addX);
builder.addLink(xop->getOutputSocket(), translateOperation->getInputSocket(1));
SetValueOperation *yop = new SetValueOperation();
yop->setValue(addY);
builder.addLink(yop->getOutputSocket(), translateOperation->getInputSocket(2));
builder.addOperation(xop);
builder.addOperation(yop);
unsigned int resolution[2] = {toOperation->getWidth(),
toOperation->getHeight()};
translateOperation->setResolution(resolution);
xop->setResolution(resolution);
yop->setResolution(resolution);
builder.addOperation(translateOperation);
if (doScale) {
translateOperation->getInputSocket(0)->setResizeMode(COM_SC_NO_RESIZE);
builder.addLink(scaleOperation->getOutputSocket(), translateOperation->getInputSocket(0));
}
/* remove previous link and replace */
builder.removeInputLink(toSocket);
first->getInputSocket(0)->setResizeMode(COM_SC_NO_RESIZE);
toSocket->setResizeMode(COM_SC_NO_RESIZE);
builder.addLink(fromSocket, first->getInputSocket(0));
builder.addLink(translateOperation->getOutputSocket(), toSocket);
}
}
