getMargin function
Implementation
EdgeInsets getMargin(Styles styles) {
double defValue = 0.0;
if (styles.margin != null) {
defValue = getSize(size: styles.margin, defValue: 0.0);
}
final newMargin = EdgeInsets.only(
left: getSize(size: styles.marginLeft, defValue: defValue),
top: getSize(size: styles.marginTop, defValue: defValue),
right: getSize(size: styles.marginRight, defValue: defValue),
bottom: getSize(size: styles.marginBottom, defValue: defValue));
if (!newMargin.isNonNegative) {
return EdgeInsets.all(0);
} else {
return newMargin;
}
}