$('#GBpageview').append(div);
var img = document.createElement("img");
- img.src = this.getPageURI(index);
+ img.src = this.getPageURI(index, this.reduce, 0);
$(img).css('width', width+'px');
$(img).css('height', height+'px');
$(div).append(img);
indexToPrint = this.twoPage.currentIndexL;
}
- var aspectRatio = this.getPageWidth(indexToPrint) / this.getPageHeight(indexToPrint);
+ var imageAspect = this.getPageWidth(indexToPrint) / this.getPageHeight(indexToPrint);
+ var paperAspect = 8.5 / 11; // Use US Letter in portrait as guesstimate
+ var rotate = 0;
+
+ // Rotate if possible and appropriate, to get larger image size on printed page
+ if (this.canRotatePage(indexToPrint)) {
+ if (imageAspect > 1 && imageAspect > paperAspect) {
+ // more wide than square, and more wide than paper
+ rotate = 90;
+ imageAspect = 1/imageAspect;
+ }
+ }
+
+ var fitAttrs;
+ if (imageAspect > paperAspect) {
+ // wider than paper, fit width
+ fitAttrs = 'width="95%"';
+ } else {
+ // taller than paper, fit height
+ fitAttrs = 'height="95%"';
+ }
+
+ var imageURL = this.getPageURI(indexToPrint, 1, rotate);
+
+ var iframeStr = '<html><head><title>' + this.bookTitle + '</title></head><body>';
+ iframeStr += '<p style="text-align:center;"><img src="' + imageURL + '" ' + fitAttrs + ' /></p>';
+ iframeStr += '</body></html>';
htmlStr = '<p style="text-align:center;"><b><a href="javascript:void(0);" onclick="window.frames[0].focus(); window.frames[0].print(); return false;">Click here to print this page</a></b></p>';
- htmlStr += '<iframe name ="printFrame" id="printFrame" src="/bookreader/GnuBookPrint.php?id='+this.bookId+'&server='+this.server+'&zip='+this.zip+'&index='+this.leafMap[indexToPrint]+'&format='+this.imageFormat+'&aspect=' + aspectRatio + '" width="500px" height="400px"></iframe>';
+ htmlStr += '<iframe name ="printFrame" id="printFrame" width="500px" height="400px"></iframe>';
htmlStr += '<p style="text-align:center;"><a href="" onclick="gb.printPopup = null; $(this.parentNode.parentNode).remove(); return false">Close popup</a></p>';
-
+
this.printPopup.innerHTML = htmlStr;
+
+ $('#printFrame').load(function() {
+ // $$$ Not firing in Safari
+ var doc = GnuBook.util.getIFrameDocument(this);
+ $('body', doc).html(iframeStr)
+ });
}
// showEmbedCode()
GnuBook.util = {
clamp: function(value, min, max) {
return Math.min(Math.max(value, min), max);
+ },
+
+ getIFrameDocument: function(iframe) {
+ // Adapted from http://xkr.us/articles/dom/iframe-document/
+ var outer = (iframe.contentWindow || iframe.contentDocument);
+ return (outer.document || outer);
}
}
return this.pageH[index];
}
-gb.getPageURI = function(index) {
+// Returns true if page image is available rotated
+gb.canRotatePage = function(index) {
+ return 'jp2' == this.imageFormat; // Assume single format for now
+}
+
+// reduce defaults to 1 (no reduction)
+// rotate defaults to 0 (no rotation)
+gb.getPageURI = function(index, reduce, rotate) {
+
+ var _reduce;
+ var _rotate;
+
+ if ('undefined' == typeof(reduce)) {
+ _reduce = 1;
+ }
+ if ('undefined' == typeof(rotate)) {
+ _rotate = 0;
+ }
var leafStr = '0000';
var imgStr = this.leafMap[index].toString();
var re = new RegExp("0{"+imgStr.length+"}$");
// $$$ add more image stack formats here
if (1==this.mode) {
- var url = 'http://'+this.server+'/GnuBook/GnuBookImages.php?zip='+this.zip+'&file='+file+'&scale='+this.reduce;
+ var url = 'http://'+this.server+'/GnuBook/GnuBookImages.php?zip='+this.zip+'&file='+file+'&scale='+_reduce+'&rotate='+_rotate;
} else {
- var ratio = this.getPageHeight(index) / this.twoPage.height;
- var scale;
- // $$$ we make an assumption here that the scales are available pow2 (like kakadu)
- if (ratio < 2) {
- scale = 1;
- } else if (ratio < 4) {
- scale = 2;
- } else if (ratio < 8) {
- scale = 4;
- } else if (ratio < 16) {
- scale = 8;
- } else if (ratio < 32) {
- scale = 16;
- } else {
- scale = 32;
+ if ('undefined' == typeof(reduce)) {
+ // reduce not passed in
+ var ratio = this.getPageHeight(index) / this.twoPage.height;
+ var scale;
+ // $$$ we make an assumption here that the scales are available pow2 (like kakadu)
+ if (ratio < 2) {
+ scale = 1;
+ } else if (ratio < 4) {
+ scale = 2;
+ } else if (ratio < 8) {
+ scale = 4;
+ } else if (ratio < 16) {
+ scale = 8;
+ } else if (ratio < 32) {
+ scale = 16;
+ } else {
+ scale = 32;
+ }
+ _reduce = scale;
}
- var url = 'http://'+this.server+'/GnuBook/GnuBookImages.php?zip='+this.zip+'&file='+file+'&scale='+scale;
+ var url = 'http://'+this.server+'/GnuBook/GnuBookImages.php?zip='+this.zip+'&file='+file+'&scale='+_reduce+'&rotate='+_rotate;
}
return url;
projects / bookreader.git / commitdiff