If no bottom element is specified, take the last child of content in scaleToFit

This commit is contained in:
Isaac Connor 2021-11-10 14:21:12 -05:00
parent 8d0463bbff
commit 6f3e22f2a0
1 changed files with 16 additions and 3 deletions

View File

@ -584,10 +584,21 @@ function scaleToFit(baseWidth, baseHeight, scaleEl, bottomEl) {
$j(window).on('resize', endOfResize); //set delayed scaling when Scale to Fit is selected
var ratio = baseWidth / baseHeight;
var container = $j('#content');
if (!container) {
console.error("No container found");
return;
}
if (!bottomEl || !bottomEl.length) {
bottomEl = $j(container[0].lastElementChild);
}
//console.log(bottomEl);
var viewPort = $j(window);
// jquery does not provide a bottom offet, and offset dows not include margins. outerHeight true minus false gives total vertical margins.
// jquery does not provide a bottom offset, and offset does not include margins. outerHeight true minus false gives total vertical margins.
var bottomLoc = bottomEl.offset().top + (bottomEl.outerHeight(true) - bottomEl.outerHeight()) + bottomEl.outerHeight(true);
//console.log("bottomLoc: " + bottomEl.offset().top + " + (" + bottomEl.outerHeight(true) + ' - ' + bottomEl.outerHeight() +') + '+bottomEl.outerHeight(true));
var newHeight = viewPort.height() - (bottomLoc - scaleEl.outerHeight(true));
//console.log("newHeight = " + viewPort.height() +" - " + bottomLoc + ' - ' + scaleEl.outerHeight(true));
var newWidth = ratio * newHeight;
if (newWidth > container.innerWidth()) {
newWidth = container.innerWidth();
@ -598,13 +609,15 @@ function scaleToFit(baseWidth, baseHeight, scaleEl, bottomEl) {
return parseInt($j(this).val());
}).get();
scales.shift();
var closest;
var closest = null;
$j(scales).each(function() { //Set zms scale to nearest regular scale. Zoom does not like arbitrary scale values.
if (closest == null || Math.abs(this - autoScale) < Math.abs(closest - autoScale)) {
closest = this.valueOf();
}
});
autoScale = closest;
if (closest) {
autoScale = closest;
}
return {width: Math.floor(newWidth), height: Math.floor(newHeight), autoScale: autoScale};
}