670 lines
27 KiB
JavaScript
670 lines
27 KiB
JavaScript
/*
|
|
* svgToPdf.js
|
|
*
|
|
* Copyright 2012 Florian Hülsmann <fh@cbix.de>
|
|
* Updated in 2013 by Datascope Analytics <info@datascopeanalytics.com>
|
|
* This script is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Lesser General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This script is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public License
|
|
* along with this file. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
|
|
// These are all of the currently supported attributes of the svg elements
|
|
// that we are converting to PDF. The path is empty and taken care of in a
|
|
// different way below.
|
|
var pdfSvgAttr = {
|
|
// allowed attributes. all others are removed from the preview.
|
|
g: ['stroke', 'fill', 'stroke-width'],
|
|
line: ['x1', 'y1', 'x2', 'y2', 'stroke', 'stroke-width', 'fill'],
|
|
rect: ['x', 'y', 'width', 'height', 'stroke', 'fill', 'stroke-width'],
|
|
ellipse: ['cx', 'cy', 'rx', 'ry', 'stroke', 'fill', 'stroke-width'],
|
|
circle: ['cx', 'cy', 'r', 'stroke', 'fill', 'stroke-width'],
|
|
text: ['x', 'y', 'font-size', 'font-family', 'text-anchor', 'font-weight', 'font-style', 'fill'],
|
|
path: []
|
|
};
|
|
|
|
|
|
var svgElementToPdf = function(element, pdf, options) {
|
|
// pdf is a jsPDF object
|
|
var remove = (typeof(options.removeInvalid) == 'undefined' ? remove = false : options.removeInvalid);
|
|
var k = (typeof(options.removeInvalid) == 'undefined' ? 1.0 : options.scale);
|
|
|
|
var x_offset = (typeof(options.x_offset) == 'undefined' ? 0 : options.x_offset);
|
|
var y_offset = (typeof(options.y_offset) == 'undefined' ? 0 : options.y_offset);
|
|
var ego_or_link = (typeof(options.ego_or_link) == 'undefined' ? false : options.ego_or_link);
|
|
var colorMode = null;
|
|
$(element).children().each(function(i, node) {
|
|
var n = $(node);
|
|
if (n.is("g")) {
|
|
if (n.attr('transform') != null) {
|
|
var matrix = n.attr('transform').replace(/,/g, ' ').replace('matrix(', '').replace(')', ' cm');
|
|
pdf.internal.write('q');
|
|
pdf.internal.write(matrix);
|
|
svgElementToPdf(n, pdf, options);
|
|
pdf.internal.write('Q');
|
|
} else {
|
|
svgElementToPdf(n, pdf, options);
|
|
}
|
|
}
|
|
|
|
var hasFillColor = false;
|
|
var hasStrokeColor = false;
|
|
if (n.is('g,line,rect,ellipse,circle,text,path')) {
|
|
|
|
var fillColor = n.attr('fill');
|
|
if (fillColor != null) {
|
|
var fillRGB = new RGBColor(fillColor);
|
|
|
|
if (fillRGB.ok) {
|
|
//console.log("fillRGB is okay");
|
|
hasFillColor = true;
|
|
colorMode = 'F';
|
|
} else {
|
|
colorMode = null;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (hasFillColor) {
|
|
|
|
pdf.setFillColor(fillRGB.r, fillRGB.g, fillRGB.b);
|
|
}
|
|
|
|
var strokeColor = n.attr('stroke');
|
|
if (strokeColor != null && strokeColor !== 'none') {
|
|
|
|
var strokeRGB = new RGBColor(strokeColor);
|
|
if (strokeRGB.ok) {
|
|
hasStrokeColor = true;
|
|
|
|
pdf.setDrawColor(strokeRGB.r, strokeRGB.g, strokeRGB.b);
|
|
if (colorMode == 'F') {
|
|
colorMode = 'FD';
|
|
} else {
|
|
|
|
colorMode = "S";
|
|
}
|
|
} else {
|
|
|
|
colorMode = null;
|
|
}
|
|
}
|
|
switch (n.get(0).tagName.toLowerCase()) {
|
|
case 'line':
|
|
pdf.line(
|
|
k * parseInt(n.attr('x1')),
|
|
k * parseInt(n.attr('y1')),
|
|
k * parseInt(n.attr('x2')),
|
|
k * parseInt(n.attr('y2')));
|
|
|
|
// $.each(node.attributes, function(i, a) {
|
|
// if(a != null && pdfSvgAttr.line.indexOf(a.name.toLowerCase()) == -1) {
|
|
// node.removeAttribute(a.name);
|
|
// }
|
|
// });
|
|
break;
|
|
case 'rect':
|
|
//console.log("in rectangle");
|
|
pdf.rect(
|
|
k * (parseInt(n.attr('x')) + x_offset),
|
|
k * (parseInt(n.attr('y')) + y_offset),
|
|
k * parseInt(n.attr('width')),
|
|
k * parseInt(n.attr('height')),
|
|
colorMode);
|
|
// $.each(node.attributes, function(i, a) {
|
|
// if(a != null && pdfSvgAttr.rect.indexOf(a.name.toLowerCase()) == -1) {
|
|
// node.removeAttribute(a.name);
|
|
// }
|
|
// });
|
|
break;
|
|
case 'ellipse':
|
|
pdf.ellipse(
|
|
k * parseInt(n.attr('cx')),
|
|
k * parseInt(n.attr('cy')),
|
|
k * parseInt(n.attr('rx')),
|
|
k * parseInt(n.attr('ry')),
|
|
colorMode);
|
|
// $.each(node.attributes, function(i, a) {
|
|
// if(a != null && pdfSvgAttr.ellipse.indexOf(a.name.toLowerCase()) == -1) {
|
|
// node.removeAttribute(a.name);
|
|
// }
|
|
// });
|
|
break;
|
|
case 'circle':
|
|
pdf.circle(
|
|
k * (parseInt(n.attr('cx')) + x_offset),
|
|
k * (parseInt(n.attr('cy')) + y_offset),
|
|
k * parseInt(n.attr('r')),
|
|
colorMode);
|
|
// $.each(node.attributes, function(i, a) {
|
|
// if(a != null && pdfSvgAttr.circle.indexOf(a.name.toLowerCase()) == -1) {
|
|
// node.removeAttribute(a.name);
|
|
// }
|
|
// });
|
|
break;
|
|
case 'text':
|
|
var fontFamily = 'helvetica';
|
|
if (node.hasAttribute('font-family')) {
|
|
|
|
switch (n.attr('font-family').toLowerCase().split(',')[0]) {
|
|
case 'times':
|
|
var fontFamily = 'times';
|
|
pdf.setFont('times');
|
|
break;
|
|
case 'courier':
|
|
var fontFamily = 'courier';
|
|
pdf.setFont('courier');
|
|
break;
|
|
|
|
default:
|
|
pdf.setFont('helvetica');
|
|
}
|
|
}
|
|
|
|
// If no font family, we set the font to the times by default
|
|
else {
|
|
pdf.setFont('helvetica');
|
|
}
|
|
|
|
// if (colorMode !== "FD" || colorMode !== 'F') {
|
|
// console.log("I'm setting text color");
|
|
// pdf.setTextColor(fillRGB.r, fillRGB.g, fillRGB.b);
|
|
// }
|
|
|
|
var fontType = "normal";
|
|
if (node.hasAttribute('font-weight')) {
|
|
if (n.attr('font-weight') == "bold") {
|
|
fontType = "bold";
|
|
} else {
|
|
node.removeAttribute('font-weight');
|
|
}
|
|
}
|
|
|
|
if (node.hasAttribute('font-style')) {
|
|
if (n.attr('font-style') == "italic") {
|
|
fontType += "italic";
|
|
} else {
|
|
node.removeAttribute('font-style');
|
|
}
|
|
}
|
|
|
|
pdf.setFontType(fontType);
|
|
var pdfFontSize = 9;
|
|
if (node.hasAttribute('font-size')) {
|
|
pdfFontSize = parseInt(n.attr('font-size'));
|
|
}
|
|
|
|
var fontMetrics = pdf.internal.getFont(fontFamily, fontType)
|
|
.metadata.Unicode;
|
|
|
|
var text_value = n.text();
|
|
var name_length = pdf.getStringUnitWidth(
|
|
text_value,
|
|
fontMetrics) * pdfFontSize;
|
|
|
|
|
|
//FIXME: use more accurate positioning!!
|
|
var label_offset = 0;
|
|
var x = parseInt(n.attr('x')) + x_offset - label_offset;
|
|
var y = parseInt(n.attr('y')) + y_offset;
|
|
|
|
|
|
|
|
if (node.hasAttribute('text-anchor')) {
|
|
switch (n.attr('text-anchor')) {
|
|
case 'end':
|
|
break;
|
|
case 'middle':
|
|
label_offset = name_length / 2;
|
|
break;
|
|
case 'start':
|
|
label_offset = 0;
|
|
break;
|
|
case 'default':
|
|
label_offset = 0;
|
|
break;
|
|
}
|
|
x = parseInt(n.attr('x')) + x_offset - label_offset;
|
|
y = parseInt(n.attr('y')) + y_offset;
|
|
}
|
|
|
|
|
|
|
|
pdf.setFontSize(pdfFontSize).text(
|
|
k * x,
|
|
k * y,
|
|
text_value);
|
|
// $.each(node.attributes, function(i, a) {
|
|
// if(a != null && pdfSvgAttr.text.indexOf(a.name.toLowerCase()) == -1) {
|
|
// node.removeAttribute(a.name);
|
|
// }
|
|
// });
|
|
break;
|
|
case 'path':
|
|
// //console.log("node is: ",node.attributes)
|
|
// $.each(node.attributes, function(i, a) {
|
|
// //console.log(pdfSvgAttr.path.indexOf(a.name.toLowerCase()));
|
|
// });
|
|
|
|
var updated_path = n.attr('d');
|
|
// Separate the svg 'd' string to a list of letter
|
|
// and number elements. Iterate on this list.
|
|
// console.log('path before',path);
|
|
svg_regex = /(m|l|h|v|c|s|a|z)/gi;
|
|
// console.log('TESTING REGULAR
|
|
// EXPRESSION',svg_regex.test('m')); The crazy ie9 case
|
|
// where they take our path and make some crazy scientific
|
|
// notation
|
|
updated_path = updated_path.replace(/(e)?-/g, function($0, $1) {
|
|
return $1 ? $0 : ' -';
|
|
})
|
|
// .replace(/-/g, ' -')
|
|
.replace(svg_regex, ' $1 ')
|
|
.replace(/,+/g, ' ')
|
|
.replace(/^\s+|\s+$/g, '')
|
|
.split(/[\s]+/);
|
|
|
|
var svg_element = null;
|
|
var i = 0;
|
|
|
|
// mx and my will define the starting points from each m/M case
|
|
var mx = null;
|
|
var my = null;
|
|
// x and y will redefine the starting points
|
|
var x = null;
|
|
var y = null;
|
|
|
|
// big list contains the large list of lists to pass to
|
|
// jspdf to render the appropriate path
|
|
var big_list = [];
|
|
|
|
// for S/s shorthand bezier calculations of 2nd control pts
|
|
var previous_element = {
|
|
element: null,
|
|
prev_numbers: [],
|
|
point: []
|
|
};
|
|
var m_flag = 0;
|
|
// Go through our list until we are done with the updated_path
|
|
while (i < updated_path.length) {
|
|
|
|
// Numbers will hold the list of numbers for the
|
|
// appropriate updated_path
|
|
var numbers = [];
|
|
|
|
// svg_element is a letter corresponding to the type
|
|
// of updated_path to draw
|
|
var sci_regex = /[+\-]?(?:0|[1-9]\d*)(?:\.\d*)?(?:[eE][+\-]?\d+)?/;
|
|
var svg_element = updated_path[i];
|
|
if (sci_regex.test(svg_element)) {
|
|
svg_element = String(Number(svg_element));
|
|
}
|
|
i++
|
|
//if svg_element is s/S, need to find 1st control pts
|
|
if (/s/i.test(svg_element)) {
|
|
previous_element.point = find_s_points(svg_element,
|
|
previous_element);
|
|
}
|
|
|
|
// for some reason z followed by another letter
|
|
// i.e. 'z m' skips that 2nd letter, so added if
|
|
// statement to get around that.
|
|
if (/z/i.test(svg_element) == false) {
|
|
|
|
// Parse through the updated_path until we find the next
|
|
// letter or we are at the end of the updated_path
|
|
while ((svg_regex.test(updated_path[i]) == false) && (i != updated_path.length)) {
|
|
numbers.push(k * parseFloat(updated_path[i]));
|
|
i++;
|
|
}
|
|
}
|
|
|
|
|
|
switch (svg_element) {
|
|
case 'm':
|
|
//paths and subpaths must always start with m/M.
|
|
//thus we call pdf.lines
|
|
if (big_list.length != 0) {
|
|
pdf.lines(big_list, mx, my, [1, 1], null);
|
|
}
|
|
big_list = [];
|
|
|
|
// check if this is 1st command in the path
|
|
if (previous_element.element == null) {
|
|
x = numbers[0];
|
|
mx = numbers[0];
|
|
y = numbers[1];
|
|
my = numbers[1];
|
|
} else {
|
|
x += numbers[0];
|
|
mx += numbers[0];
|
|
y += numbers[1];
|
|
my += numbers[1];
|
|
}
|
|
if (numbers.length != 2) {
|
|
var lines_numbers = numbers.slice(2, numbers.length);
|
|
|
|
var new_numbers = change_numbers(lines_numbers,
|
|
x, y, true);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x += sums(new_numbers, true);
|
|
y += sums(new_numbers, false);
|
|
}
|
|
break;
|
|
case 'M':
|
|
if (big_list.length != 0) {
|
|
pdf.lines(big_list, mx, my, [1, 1], null);
|
|
}
|
|
big_list = [];
|
|
|
|
x = numbers[0];
|
|
mx = numbers[0] + x_offset;
|
|
y = numbers[1];
|
|
my = numbers[1] + y_offset;
|
|
|
|
if (numbers.length != 2) {
|
|
x = numbers[0];
|
|
y = numbers[1];
|
|
var lines_numbers = numbers.slice(2, numbers.length);
|
|
var new_numbers = change_numbers(lines_numbers,
|
|
x, y, false);
|
|
pdf.lines(new_numbers, x, y, [1, 1], null);
|
|
x += new_numbers[new_numbers.length - 1][0];
|
|
y += new_numbers[new_numbers.length - 1][1];
|
|
|
|
}
|
|
break;
|
|
case 'l':
|
|
var new_numbers = change_numbers(numbers, x, y, true);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x += sums(new_numbers, true);
|
|
y += sums(new_numbers, false);
|
|
break;
|
|
case 'L':
|
|
var new_numbers = change_numbers(numbers, x, y, false);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
//pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x += new_numbers[new_numbers.length - 1][0];
|
|
y += new_numbers[new_numbers.length - 1][1];
|
|
break;
|
|
case 'h':
|
|
// x does not change. Only y changes
|
|
var sum = _.reduce(numbers,
|
|
|
|
function(memo, num) {
|
|
return memo + num;
|
|
}, 0);
|
|
var new_numbers = [
|
|
[sum, 0]
|
|
];
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines([[sum,0]],x,y,[1,1],null);
|
|
x += sum;
|
|
break;
|
|
case 'H':
|
|
big_list.push([numbers[numbers.length - 1] - x, 0]);
|
|
// pdf.lines([[numbers[numbers.length-1]-x,0]],
|
|
// x,y,[1,1],null);
|
|
x = numbers[numbers.length - 1];
|
|
break;
|
|
case 'v':
|
|
var sum = _.reduce(numbers,
|
|
|
|
function(memo, num) {
|
|
return memo + num;
|
|
}, 0);
|
|
var new_numbers = [
|
|
[0, sum]
|
|
];
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines([[0,sum]],x,y,[1,1],null);
|
|
y += sum;
|
|
break;
|
|
case 'V':
|
|
big_list.push([0, numbers[numbers.length - 1] - y]);
|
|
// pdf.lines([[0,numbers[numbers.length-1]-y]],
|
|
// x,y,[1,1],null);
|
|
y = numbers[numbers.length - 1];
|
|
break;
|
|
case 'c':
|
|
var new_numbers = bezier_numbers(numbers, x, y, true);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x += sums(new_numbers, true);
|
|
y += sums(new_numbers, false);
|
|
break;
|
|
case 'C':
|
|
var new_numbers = bezier_numbers(numbers, x, y, false);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x = numbers[numbers.length - 2];
|
|
y = numbers[numbers.length - 1];
|
|
break;
|
|
case 's':
|
|
var new_numbers = s_bezier_numbers(numbers, x, y,
|
|
true, previous_element);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x += sums(new_numbers, true);
|
|
y += sums(new_numbers, false);
|
|
break;
|
|
case 'S':
|
|
var new_numbers = s_bezier_numbers(numbers, x, y, false,
|
|
previous_element);
|
|
_.each(new_numbers, function(num) {
|
|
big_list.push(num);
|
|
});
|
|
// pdf.lines(new_numbers,x,y,[1,1],null);
|
|
x = numbers[numbers.length - 2];
|
|
y = numbers[numbers.length - 1];
|
|
break;
|
|
case 'A':
|
|
// for now a hack.treat this as a line
|
|
|
|
|
|
break;
|
|
case 'a':
|
|
|
|
break;
|
|
case 'z':
|
|
big_list.push([mx - x, my - y]);
|
|
x = mx;
|
|
y = my;
|
|
// pdf.lines([[mx-x,my-y]],x,y,[1,1],null);
|
|
break;
|
|
case 'Z':
|
|
big_list.push([mx - x, my - y]);
|
|
x = mx;
|
|
y = my;
|
|
// pdf.lines([[mx-x,my-y]],x,y,[1,1],null);
|
|
break;
|
|
default:
|
|
console.log('Sorry, the', svg_element, 'svg command is not yet available.');
|
|
}
|
|
previous_element.element = svg_element;
|
|
previous_element.prev_numbers = numbers;
|
|
}
|
|
pdf.lines(big_list, mx, my, [1, 1], colorMode);
|
|
var numbs = null;
|
|
break;
|
|
//TODO: image
|
|
default:
|
|
//console.log("cannot identify: ", node);
|
|
if (remove) {
|
|
//console.log("can't translate to pdf:", node);
|
|
n.remove();
|
|
}
|
|
}
|
|
});
|
|
return pdf;
|
|
}
|
|
|
|
function sums(ListOfLists, is_x) {
|
|
if (is_x) {
|
|
var sum = _.reduce(ListOfLists,
|
|
|
|
function(memo, num) {
|
|
return memo + num[num.length - 2];
|
|
}, 0);
|
|
} else {
|
|
var sum = _.reduce(ListOfLists,
|
|
|
|
function(memo, num) {
|
|
return memo + num[num.length - 1];
|
|
}, 0);
|
|
}
|
|
return sum;
|
|
}
|
|
|
|
function change_numbers(numbers, x, y, relative) {
|
|
var i = 0;
|
|
var prev_x = x;
|
|
var prev_y = y;
|
|
var new_numbers = [];
|
|
while (i < numbers.length) {
|
|
if (relative) {
|
|
x = numbers[i];
|
|
y = numbers[i + 1];
|
|
} else {
|
|
x = numbers[i] - prev_x;
|
|
y = numbers[i + 1] - prev_y;
|
|
}
|
|
prev_x = numbers[i];
|
|
prev_y = numbers[i + 1];
|
|
new_numbers.push([x, y]);
|
|
i += 2;
|
|
}
|
|
return new_numbers;
|
|
}
|
|
|
|
function bezier_numbers(numbers, x, y, relative) {
|
|
// the bezier numbers are ALL relative to the
|
|
// previous case line's (x,y), not all relative to
|
|
// each other.
|
|
var i = 0;
|
|
var prev_x = x;
|
|
var prev_y = y;
|
|
var new_numbers = [];
|
|
while (i < numbers.length) {
|
|
if (relative) {
|
|
var numbers_to_push = numbers.slice(i, i + 6);
|
|
} else {
|
|
var numbers_to_push = [];
|
|
for (var k = i; k < i + 6; k = k + 2) {
|
|
numbers_to_push.push(
|
|
numbers[k] - prev_x,
|
|
numbers[k + 1] - prev_y);
|
|
}
|
|
}
|
|
prev_x = numbers[i + 4];
|
|
prev_y = numbers[i + 5];
|
|
new_numbers.push(numbers_to_push);
|
|
i += 6;
|
|
}
|
|
return new_numbers;
|
|
}
|
|
|
|
function s_bezier_numbers(numbers, x, y, relative,
|
|
previous_element) {
|
|
var i = 0;
|
|
var prev_x = x;
|
|
var prev_y = y;
|
|
var new_numbers = [];
|
|
while (i < numbers.length) {
|
|
var numbers_to_push = [];
|
|
//need to check if relative for the 4 s/S numbers
|
|
if (relative) {
|
|
//find that 1st control point
|
|
if (i < 4 && (previous_element.element == 'c' || previous_element.element == 's')) {
|
|
// case 1: there was a prev c/C/s/S
|
|
// outside this numbers segment
|
|
numbers_to_push.push(previous_element.point[0],
|
|
previous_element.point[1]);
|
|
} else if (i >= 4) {
|
|
//case 1: there was a prev s/S
|
|
//within this numbers segment
|
|
numbers_to_push.push(numbers[i - 2] - numbers[i - 4],
|
|
numbers[i - 1] - numbers[i - 3]);
|
|
} else {
|
|
// case 2: no prev c/C/s/S, therefore
|
|
// 1st control pt = current pt.
|
|
numbers_to_push.push(prev_x, prev_y);
|
|
}
|
|
//then add the rest of the s numbers
|
|
for (var k = i; k < i + 4; k++) {
|
|
numbers_to_push.push(numbers[k]);
|
|
}
|
|
} else {
|
|
//find that 1st control point
|
|
if (i < 4 && (previous_element.element == 'C' || previous_element.element == 'S')) {
|
|
// case 1: there was a prev c/C/s/S
|
|
// outside this numbers segment
|
|
numbers_to_push.push(previous_element.point[0] - prev_x,
|
|
previous_element.point[1] - prev_y);
|
|
} else if (i >= 4) {
|
|
//case 1: there was a prev s/S
|
|
//within this numbers segment
|
|
numbers_to_push.push(numbers[i - 2] + numbers[i - 2] - numbers[i - 4],
|
|
numbers[i - 1] + numbers[i - 1] - numbers[i - 3]);
|
|
} else {
|
|
// case 2: no prev c/C/s/S, therefore
|
|
// 1st control pt = current pt.
|
|
numbers_to_push.push(prev_x, prev_y);
|
|
}
|
|
//then add the rest of the s numbers
|
|
for (var k = i; k < i + 4; k = k + 2) {
|
|
numbers_to_push.push(numbers[k] - prev_x);
|
|
numbers_to_push.push(numbers[k + 1] - prev_y);
|
|
}
|
|
}
|
|
|
|
prev_x = numbers[i + 2];
|
|
prev_y = numbers[i + 3];
|
|
|
|
new_numbers.push(numbers_to_push);
|
|
i += 4;
|
|
}
|
|
return new_numbers;
|
|
}
|
|
|
|
function find_s_points(svg_element, previous_element) {
|
|
if (/(s|c)/.test(previous_element.element)) {
|
|
numbs = previous_element.prev_numbers;
|
|
previous_element.point = [numbs[numbs.length - 2] - numbs[numbs.length - 4],
|
|
numbs[numbs.length - 1] - numbs[numbs.length - 3]];
|
|
} else if (/(S|C)/.test(previous_element.element)) {
|
|
numbs = previous_element.prev_numbers;
|
|
previous_element.point = [2 * numbs[numbs.length - 2] - numbs[numbs.length - 4],
|
|
2 * numbs[numbs.length - 1] - numbs[numbs.length - 3]];
|
|
}
|
|
return previous_element.point
|
|
}
|