MarginStruct PresetLayout::getMargins(int index, double pageWidth, double pageHeight, double leftMargin)
{
MarginStruct ret;
updateMargins = true;
switch (index)
{
case PresetLayout::magazine:
ret.set(leftMargin, leftMargin, leftMargin, leftMargin);
break;
case PresetLayout::gutenberg:
{
double ratio = pageHeight / pageWidth;
ret.setLeft(leftMargin);
ret.setTop(leftMargin * ratio);
ret.setRight(leftMargin * 2.0);
ret.setBottom(ret.right() * ratio);
}
break;
case PresetLayout::fibonacci:
ret.setLeft(leftMargin);
ret.setTop(leftMargin / 2.0 * 3.0);
ret.setRight(leftMargin / 2.0 * 5.0);
ret.setBottom(leftMargin / 2.0 * 8.0);
break;
case PresetLayout::goldencut:
ret.setLeft(leftMargin);
ret.setTop(leftMargin / 2.0 * 3.4);
ret.setRight(leftMargin / 2.0 * 4.8);
ret.setBottom(leftMargin / 2.0 * 6.8);
break;
case PresetLayout::nineparts:
ret.setLeft(pageWidth / 9.0);
ret.setTop(pageHeight / 9.0);
ret.setRight(pageWidth / 9.0 * 2.0);
ret.setBottom(pageHeight / 9.0 * 2.0);
break;
default:
updateMargins = false;
ret.set(-1.0, -1.0, -1.0, -1.0);
}
return ret;
}
