Current File : //home/tradevaly/www/node_modules/pdfmake/src/line.js |
'use strict';
/**
* Creates an instance of Line
*
* @constructor
* @this {Line}
* @param {Number} Maximum width this line can have
*/
function Line(maxWidth) {
this.maxWidth = maxWidth;
this.leadingCut = 0;
this.trailingCut = 0;
this.inlineWidths = 0;
this.inlines = [];
}
Line.prototype.getAscenderHeight = function () {
var y = 0;
this.inlines.forEach(function (inline) {
y = Math.max(y, inline.font.ascender / 1000 * inline.fontSize);
});
return y;
};
Line.prototype.hasEnoughSpaceForInline = function (inline, nextInlines) {
nextInlines = nextInlines || [];
if (this.inlines.length === 0) {
return true;
}
if (this.newLineForced) {
return false;
}
var inlineWidth = inline.width;
var inlineTrailingCut = inline.trailingCut || 0;
if (inline.noNewLine) {
for (var i = 0, l = nextInlines.length; i < l; i++) {
var nextInline = nextInlines[i];
inlineWidth += nextInline.width;
inlineTrailingCut += nextInline.trailingCut || 0;
if (!nextInline.noNewLine) {
break;
}
}
}
return (this.inlineWidths + inlineWidth - this.leadingCut - inlineTrailingCut) <= this.maxWidth;
};
Line.prototype.addInline = function (inline) {
if (this.inlines.length === 0) {
this.leadingCut = inline.leadingCut || 0;
}
this.trailingCut = inline.trailingCut || 0;
inline.x = this.inlineWidths - this.leadingCut;
this.inlines.push(inline);
this.inlineWidths += inline.width;
if (inline.lineEnd) {
this.newLineForced = true;
}
};
Line.prototype.getWidth = function () {
return this.inlineWidths - this.leadingCut - this.trailingCut;
};
Line.prototype.getAvailableWidth = function () {
return this.maxWidth - this.getWidth();
};
/**
* Returns line height
* @return {Number}
*/
Line.prototype.getHeight = function () {
var max = 0;
this.inlines.forEach(function (item) {
max = Math.max(max, item.height || 0);
});
return max;
};
module.exports = Line;