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typesetting/pitfall/pdfkit/lib/page.js

171 lines
4.6 KiB
JavaScript

// Generated by CoffeeScript 1.12.5
/*
PDFPage - represents a single page in the PDF document
By Devon Govett
*/
(function() {
var PDFPage;
PDFPage = (function() {
var DEFAULT_MARGINS, SIZES;
function PDFPage(document, options) {
var dimensions;
this.document = document;
if (options == null) {
options = {};
}
this.size = options.size || 'letter';
this.layout = options.layout || 'portrait';
if (typeof options.margin === 'number') {
this.margins = {
top: options.margin,
left: options.margin,
bottom: options.margin,
right: options.margin
};
} else {
this.margins = options.margins || DEFAULT_MARGINS;
}
dimensions = Array.isArray(this.size) ? this.size : SIZES[this.size.toUpperCase()];
this.width = dimensions[this.layout === 'portrait' ? 0 : 1];
this.height = dimensions[this.layout === 'portrait' ? 1 : 0];
this.content = this.document.ref();
this.resources = this.document.ref({
ProcSet: ['PDF', 'Text', 'ImageB', 'ImageC', 'ImageI']
});
Object.defineProperties(this, {
fonts: {
get: (function(_this) {
return function() {
var base;
return (base = _this.resources.data).Font != null ? base.Font : base.Font = {};
};
})(this)
},
xobjects: {
get: (function(_this) {
return function() {
var base;
return (base = _this.resources.data).XObject != null ? base.XObject : base.XObject = {};
};
})(this)
},
ext_gstates: {
get: (function(_this) {
return function() {
var base;
return (base = _this.resources.data).ExtGState != null ? base.ExtGState : base.ExtGState = {};
};
})(this)
},
patterns: {
get: (function(_this) {
return function() {
var base;
return (base = _this.resources.data).Pattern != null ? base.Pattern : base.Pattern = {};
};
})(this)
},
annotations: {
get: (function(_this) {
return function() {
var base;
return (base = _this.dictionary.data).Annots != null ? base.Annots : base.Annots = [];
};
})(this)
}
});
this.dictionary = this.document.ref({
Type: 'Page',
Parent: this.document._root.data.Pages,
MediaBox: [0, 0, this.width, this.height],
Contents: this.content,
Resources: this.resources
});
}
PDFPage.prototype.maxY = function() {
return this.height - this.margins.bottom;
};
PDFPage.prototype.write = function(chunk) {
return this.content.write(chunk);
};
PDFPage.prototype.end = function() {
this.dictionary.end();
this.resources.end();
return this.content.end();
};
DEFAULT_MARGINS = {
top: 72,
left: 72,
bottom: 72,
right: 72
};
SIZES = {
'4A0': [4767.87, 6740.79],
'2A0': [3370.39, 4767.87],
A0: [2383.94, 3370.39],
A1: [1683.78, 2383.94],
A2: [1190.55, 1683.78],
A3: [841.89, 1190.55],
A4: [595.28, 841.89],
A5: [419.53, 595.28],
A6: [297.64, 419.53],
A7: [209.76, 297.64],
A8: [147.40, 209.76],
A9: [104.88, 147.40],
A10: [73.70, 104.88],
B0: [2834.65, 4008.19],
B1: [2004.09, 2834.65],
B2: [1417.32, 2004.09],
B3: [1000.63, 1417.32],
B4: [708.66, 1000.63],
B5: [498.90, 708.66],
B6: [354.33, 498.90],
B7: [249.45, 354.33],
B8: [175.75, 249.45],
B9: [124.72, 175.75],
B10: [87.87, 124.72],
C0: [2599.37, 3676.54],
C1: [1836.85, 2599.37],
C2: [1298.27, 1836.85],
C3: [918.43, 1298.27],
C4: [649.13, 918.43],
C5: [459.21, 649.13],
C6: [323.15, 459.21],
C7: [229.61, 323.15],
C8: [161.57, 229.61],
C9: [113.39, 161.57],
C10: [79.37, 113.39],
RA0: [2437.80, 3458.27],
RA1: [1729.13, 2437.80],
RA2: [1218.90, 1729.13],
RA3: [864.57, 1218.90],
RA4: [609.45, 864.57],
SRA0: [2551.18, 3628.35],
SRA1: [1814.17, 2551.18],
SRA2: [1275.59, 1814.17],
SRA3: [907.09, 1275.59],
SRA4: [637.80, 907.09],
EXECUTIVE: [521.86, 756.00],
FOLIO: [612.00, 936.00],
LEGAL: [612.00, 1008.00],
LETTER: [612.00, 792.00],
TABLOID: [792.00, 1224.00]
};
return PDFPage;
})();
module.exports = PDFPage;
}).call(this);