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issue #58 #59

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Jan 20, 2016
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issue #58 #59

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249 changes: 120 additions & 129 deletions lib/image.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,145 +2,121 @@ var fs = require('fs'),
mime = require('mime'),
imgsz = require('image-size');

var drawing = function (imgURI) {
var d = {
var drawing = function (imgURI, anchor) {
anchor = anchor || module.exports.Image.ONE_CELL;

var xml = {},
key = 'xdr:' + anchor;
xml[key] = {};

var d = {
props: {
image: imgURI,
imageId: 0,
index: 0,
imageId: -1,
mimeType: '',
extension: '',
width: 0,
height: 0,
dpi: 96
},
xml: {
'xdr:oneCellAnchor': [
{
'xdr:from': {
'xdr:col': 0,
'xdr:colOff': 0,
'xdr:row': 0,
'xdr:rowOff': 0
}
},
{
'xdr:ext': {
'@cx': 0 * 9525,
'@cy': 0 * 9525
}
},
{
'xdr:pic': {
'xdr:nvPicPr': [
{
'xdr:cNvPr': {
'@descr': 'image',
'@id': 0,
'@name': 'Picture'
}
},
'xdr:cNvPicPr'
],
'xdr:blipFill': {
'a:blip': {
'@cstate': 'print',
'@r:embed': 'rId0',
'@xmlns:r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships'
}
},
'xdr:spPr': [
{
'@bwMode': 'auto'
},
{
'a:xfrm': {
'a:off': {
'@x': 0,
'@y': 0
},
'a:ext': {
'@cx': 0 * 9525,
'@cy': 0 * 9525
}
}
},
{
'a:prstGeom': [
{
'@prst': 'rect'
},
'a:avLst'
]
},
'a:noFill',
{
'a:ln': ['a:noFill']
}
]
}
},
'xdr:clientData'
]
},
xml: xml,

Position: function (r, c, offY, offX) {
Position: function (r, c, offY, offX, to_offY, to_offX) {
var offsetX = offX ? offX : 0;
var offsetY = offY ? offY : 0;

d.xml['xdr:oneCellAnchor'].e4nForEach(function (v) {
if (v['xdr:from']) {
v['xdr:from']['xdr:col'] = c - 1;
v['xdr:from']['xdr:row'] = r - 1;
v['xdr:from']['xdr:colOff'] = offsetX;
v['xdr:from']['xdr:rowOff'] = offsetY;
} else if (v['xdr:pic'] && offX && offY) {
var spPR = v['xdr:pic']['xdr:spPr'];
spPR.e4nForEach(function (o) {
if (o['a:xfrm']) {
o['a:xfrm']['a:off']['@x'] = offsetX;
o['a:xfrm']['a:off']['@y'] = offsetY;
}
});
var xdr;

if (anchor === module.exports.Image.ABSOLUTE) {
xdr = d.xml[key]['xdr:pos'] = {};
xdr['@y'] = r * 9525 * (96 / d.props.dpi); //r - represents Y pixels
xdr['@x'] = c * 9525 * (96 / d.props.dpi); //c - represents X pixels
} else {
xdr = d.xml[key]['xdr:from'] = {};

xdr['xdr:col'] = c - 1;
xdr['xdr:colOff'] = offsetX * 9525 * (96 / d.props.dpi);
xdr['xdr:row'] = r - 1;
xdr['xdr:rowOff'] = offsetY * 9525 * (96 / d.props.dpi);

if (anchor === module.exports.Image.TWO_CELL) {
xdr = d.xml[key]['xdr:to'] = {};
offsetX = to_offY ? to_offY : 0;
offsetY = to_offX ? to_offX : 0;

xdr['xdr:col'] = offX || c; //offX - represents end column index
xdr['xdr:colOff'] = 0;
xdr['xdr:row'] = offY || r; //offY - represents end row index
xdr['xdr:rowOff'] = 0;
}
});
}
return d;
},
Properties: function (props) {
Object.keys(props).e4nForEach(function (k) {
Object.keys(props).forEach(function (k) {
d.props[k] = props[k];
});
return d;
},
SetID: function (id) {
d.xml['xdr:oneCellAnchor'].e4nForEach(function (v) {
if (v['xdr:pic']) {
v['xdr:pic']['xdr:nvPicPr'][0]['xdr:cNvPr']['@id'] = id;
v['xdr:pic']['xdr:blipFill']['a:blip']['@r:embed'] = 'rId' + id;
}
});
d.props.imageId = id;
},
updateSize: function () {
d.xml['xdr:oneCellAnchor'].e4nForEach(function (v) {
if (v['xdr:ext']) {
v['xdr:ext']['@cx'] = d.props.width * 9525 * (96 / d.props.dpi);
v['xdr:ext']['@cy'] = d.props.height * 9525 * (96 / d.props.dpi);
} else if (v['xdr:pic']) {
var spPR = v['xdr:pic']['xdr:spPr'];
spPR.e4nForEach(function (o) {
if (o['a:xfrm']) {
o['a:xfrm']['a:ext']['@cx'] = d.props.width * 9525 * (96 / d.props.dpi);
o['a:xfrm']['a:ext']['@cy'] = d.props.height * 9525 * (96 / d.props.dpi);
ImageProperties: function (index, imageId, name, descr) {
var pic = d.xml[key]['xdr:pic'] = {
'xdr:nvPicPr': {
'xdr:cNvPr': {},
'xdr:cNvPicPr': {
'a:picLocks': {
'@noChangeArrowheads': 1,
'@noChangeAspect': 1
}
}
},
'xdr:blipFill': {
'a:blip': {
'@r:embed': 'rId' + imageId,
'@xmlns:r': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships'
},
'a:srcRect': {},
'a:stretch': {
'a:fillRect': {}
}
});
},
'xdr:spPr': {
'@bwMode': 'auto',
'a:xfrm': {},
'a:prstGeom': {
'@prst': 'rect'
}
}
},
cNvPr = pic['xdr:nvPicPr']['xdr:cNvPr'];
d.xml[key]['xdr:clientData'] = {};

cNvPr['@descr'] = descr || 'image';
cNvPr['@id'] = index;
cNvPr['@name'] = name || 'Picture';

d.props.imageId = imageId;
d.props.index = index;
return d;
},
Size: function (width, height) {
if (anchor !== module.exports.Image.TWO_CELL) {
width = isNaN(parseFloat(width)) ? 100 : width;
height = isNaN(parseFloat(height)) ? 15 : height;
d.xml[key]['xdr:ext'] = {
'@cx': width * 9525 * (96 / d.props.dpi),
'@cy': height * 9525 * (96 / d.props.dpi)
}
});
}
d.props.width = width;
d.props.height = height;
return d;
}

};

return d;
};

module.exports.Image = function (imgURI) {
module.exports.Image = function (imgURI, anchor) {

var wb = this.wb.workbook;
var wSs = this.wb.worksheets;
Expand All @@ -151,7 +127,7 @@ module.exports.Image = function (imgURI) {
var extension = mimeType.split('/')[1];

var contentTypeAdded = false;
wb.Content_Types.Types.e4nForEach(function (t) {
wb.Content_Types.Types.forEach(function (t) {
if (t['Default']) {
if (t['Default']['@ContentType'] === mimeType) {
contentTypeAdded = true;
Expand Down Expand Up @@ -199,7 +175,7 @@ module.exports.Image = function (imgURI) {
};
}

var d = new drawing(imgURI);
var d = new drawing(imgURI, anchor);


d.Properties({
Expand All @@ -208,31 +184,42 @@ module.exports.Image = function (imgURI) {
});

var dim = imgsz(imgURI);
d.Properties({
d.Position(1, 1);
d.Size({
'width': dim.width,
'height': dim.height
});
d.updateSize();

ws.drawings.drawings.push(d);
var imgID = 0;
wSs.e4nForEach(function (s) {
var fontInWS = null;
wSs.forEach(function (s) {
if (s.drawings) {
imgID += s.drawings.drawings.length;
for (var i in s.drawings.drawings) {
var d = s.drawings.drawings[i];
if (d.props && d.props.imageId !== -1 && d.props.image === imgURI) {
imgID = d.props.imageId;
fontInWS = s;
}
}
}
return fontInWS === null;
});
d.SetID(imgID);
ws.drawings.drawings.push(d);
d.ImageProperties(ws.drawings.drawings.length, imgID);

ws.drawings.rels.Relationships.push({
'Relationship': {
'@Id': 'rId' + imgID,
'@Target': '../media/image' + imgID + '.' + extension,
'@Type': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image'
}
});
if (fontInWS !== ws) {
ws.drawings.rels.Relationships.push({
'Relationship': {
'@Id': 'rId' + imgID,
'@Target': '../media/image' + imgID + '.' + extension,
'@Type': 'http://schemas.openxmlformats.org/officeDocument/2006/relationships/image'
}
});
}

var relExists = false;
ws.rels['Relationships'].e4nForEach(function (r) {
ws.rels['Relationships'].forEach(function (r) {
if (r['Relationship']) {
if (r['Relationship']['@Id'] === 'rId1') {
relExists = true;
Expand All @@ -254,3 +241,7 @@ module.exports.Image = function (imgURI) {

return d;
};

module.exports.Image.ONE_CELL = 'oneCellAnchor';
module.exports.Image.TWO_CELL = 'twoCellAnchor';
module.exports.Image.ABSOLUTE = 'absoluteAnchor';
15 changes: 14 additions & 1 deletion sample.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -161,7 +161,20 @@ function createWorkBook(){

ws.Row(1).Height(140);
ws.Cell(1,1,2,6,true);
ws.Image('sampleFiles/image1.png').Position(1,1,0,0);

//Absolute position near D3
ws.Image('sampleFiles/image1.png', ws.Image.ABSOLUTE).Position(218, 400).Size(255, 50); //y-pixels, X-pixels

//A3
ws.Image('sampleFiles/image1.png', ws.Image.ONE_CELL).Position(3, 1, 10, 40).Size(255, 50); //row, column, offsetY, offsetX

//A1-F2
ws.Image('sampleFiles/image1.png', ws.Image.TWO_CELL).Position(1, 1, 2, 6, 2, 5); //begin-row, begin-column, end-row, end-column, offsetY, offsetX

//D5
ws.Image('sampleFiles/image1.png', ws.Image.TWO_CELL).Position(5, 4); //row, column (in one cell re-scale in cell)


ws.Row(3).Height(50);
ws.Cell(3,1,3,6,true);
ws.Row(17).Height(60);
Expand Down