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Added support for `heightOnly #16

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Added support for `heightOnly #16

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14 changes: 9 additions & 5 deletions textFit.js
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@
maxFontSize: 80,
reProcess: true, // if true, textFit will re-process already-fit nodes. Set to 'false' for better performance
widthOnly: false, // if true, textFit will fit text to element width, regardless of text height
heightOnly: false, // if true, textFit will fit text to element height, regardless of text width
suppressErrors: false // if true, will not print errors to console
};

Expand Down Expand Up @@ -86,14 +87,17 @@
originalHeight = innerHeight(el);

// Don't process if we can't find box dimensions
if (!originalWidth || (!settings.widthOnly && !originalHeight)) {
if ((!originalWidth || (!settings.widthOnly && !originalHeight)) || (!originalHeight || (!settings.heightOnly && !originalWidth))) {
// Show an error, if we can.
if (window.console && !settings.suppressErrors) {
if(!settings.widthOnly)
console.info('Set a static height and width on the target element ' + el.outerHTML +
if(settings.widthOnly)
console.info('Set a static width on the target element ' + el.outerHTML +
' before using textFit!');
if(!settings.heightOnly)
console.info('Set a static height on the target element ' + el.outerHTML +
' before using textFit!');
else
console.info('Set a static width on the target element ' + el.outerHTML +
console.info('Set a static height and width on the target element ' + el.outerHTML +
' before using textFit!');
}
return false;
Expand Down Expand Up @@ -145,7 +149,7 @@
while ( low <= high) {
mid = parseInt((low + high) / 2, 10);
innerSpan.style.fontSize = mid + 'px';
if(innerSpan.offsetWidth <= originalWidth && (settings.widthOnly || innerSpan.offsetHeight <= originalHeight)){
if((settings.heightOnly || innerSpan.offsetWidth <= originalWidth) && (settings.widthOnly || innerSpan.offsetHeight <= originalHeight)){
low = mid + 1;
} else {
high = mid - 1;
Expand Down