page_format.dart
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/*
* Copyright (C) 2017, David PHAM-VAN <dev.nfet.net@gmail.com>
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
part of pdf;
class PdfPageFormat {
static const a3 = PdfPageFormat(29.7 * cm, 42 * cm, marginAll: 2.0 * cm);
static const a4 = PdfPageFormat(21.0 * cm, 29.7 * cm, marginAll: 2.0 * cm);
static const a5 = PdfPageFormat(14.8 * cm, 21.0 * cm, marginAll: 2.0 * cm);
static const letter = PdfPageFormat(8.5 * inch, 11.0 * inch, marginAll: inch);
static const legal = PdfPageFormat(8.5 * inch, 14.0 * inch, marginAll: inch);
static const point = 1.0;
static const inch = 72.0;
static const cm = inch / 2.54;
static const mm = inch / 25.4;
final double width;
final double height;
final double marginTop;
final double marginBottom;
final double marginLeft;
final double marginRight;
const PdfPageFormat(this.width, this.height,
{double marginTop = 0.0,
double marginBottom = 0.0,
double marginLeft = 0.0,
double marginRight = 0.0,
double marginAll})
: marginTop = marginAll ?? marginTop,
marginBottom = marginAll ?? marginBottom,
marginLeft = marginAll ?? marginLeft,
marginRight = marginAll ?? marginRight;
PdfPageFormat copyWith(
{double width,
double height,
double marginTop,
double marginBottom,
double marginLeft,
double marginRight}) {
return PdfPageFormat(width ?? this.width, height ?? this.height,
marginTop: marginTop ?? this.marginTop,
marginBottom: marginBottom ?? this.marginBottom,
marginLeft: marginLeft ?? this.marginLeft,
marginRight: marginRight ?? this.marginRight);
}
PdfPoint get dimension => PdfPoint(width, height);
PdfPageFormat get landscape =>
width >= height ? this : copyWith(width: height, height: width);
PdfPageFormat get portrait =>
height >= width ? this : copyWith(width: height, height: width);
@override
String toString() {
return "${width}x$height";
}
}