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Made it possible to add images without defining the width and height #2

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65 changes: 37 additions & 28 deletions jquery.fullscreenBackground.js
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Original file line number Diff line number Diff line change
Expand Up @@ -50,32 +50,41 @@
};

function fillBg(selector, parentobj) {
var windowHeight = $(window).height();
var windowWidth = $(window).width();

$(selector, parentobj).each(function () {
var imgHeight = $(this).attr("height");
var imgWidth = $(this).attr("width");

var newWidth = windowWidth;
var newHeight = (windowWidth / imgWidth) * imgHeight;
var topMargin = ((newHeight - windowHeight) / 2) * -1;
var leftMargin = 0;

if (newHeight < windowHeight) {
var newWidth = (windowHeight / imgHeight) * imgWidth;
var newHeight = windowHeight;
var topMargin = 0;
var leftMargin = ((newWidth - windowWidth) / 2) * -1;
}

$(this).css({
height: newHeight + "px",
width: newWidth + "px",
marginLeft: leftMargin + "px",
marginTop: topMargin + "px",
display: "block"
});
});
}
})(jQuery);
var windowHeight = $(window).height();
var windowWidth = $(window).width();

var img = new Image();
img.src = ($(selector).attr ? $(selector).attr("src") : false) || $(selector).src;
$(img).load(function () {

var imgWidth = this.width;
var imgHeight = this.height;

$(selector, parentobj).each(function () {

var newWidth = windowWidth;
var newHeight = (windowWidth / imgWidth) * imgHeight;
var topMargin = ((newHeight - windowHeight) / 2) * -1;
var leftMargin = 0;

if (newHeight < windowHeight) {
var newWidth = (windowHeight / imgHeight) * imgWidth;
var newHeight = windowHeight;
var topMargin = 0;
var leftMargin = ((newWidth - windowWidth) / 2) * -1;
}

$(this).css({
height: newHeight + "px",
width: newWidth + "px",
marginLeft: leftMargin + "px",
marginTop: topMargin + "px",
display: "block"
});
});
});

}

})(jQuery);