893 lines
30 KiB
C++
893 lines
30 KiB
C++
//=============================================================================
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// MuseScore
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// Music Composition & Notation
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//
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// Copyright (C) 2002-2011 Werner Schweer
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//
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// This program is free software; you can redistribute it and/or modify
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// it under the terms of the GNU General Public License version 2
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// as published by the Free Software Foundation and appearing in
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// the file LICENCE.GPL
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//=============================================================================
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#include "page.h"
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#include "score.h"
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#include "text.h"
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#include "xml.h"
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#include "measure.h"
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#include "style.h"
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#include "chord.h"
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#include "beam.h"
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#include "tuplet.h"
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#include "note.h"
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#include "barline.h"
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#include "slur.h"
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#include "hook.h"
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#include "lyrics.h"
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#include "bracket.h"
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#include "line.h"
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#include "staff.h"
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#include "system.h"
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#include "mscore.h"
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#include "segment.h"
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namespace Ms {
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#define MM(x) ((x)/INCH)
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const PaperSize paperSizes[] = {
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PaperSize("Custom", MM(1), MM(1)),
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PaperSize("A4", MM(210), MM(297)),
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PaperSize("B5", MM(176), MM(250)),
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PaperSize("Letter", 8.5, 11),
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PaperSize("Legal", 8.5, 14),
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PaperSize("Executive", 7.5, 10),
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PaperSize("A0", MM(841), MM(1189)),
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PaperSize("A1", MM(594), MM(841)),
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PaperSize("A2", MM(420), MM(594)),
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PaperSize("A3", MM(297), MM(420)),
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PaperSize("A5", MM(148), MM(210)),
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PaperSize("A6", MM(105), MM(148)),
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PaperSize("A7", MM(74), MM(105)),
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PaperSize("A8", MM(52), MM(74)),
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PaperSize("A9", MM(37), MM(52)),
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PaperSize("A10", MM(26), MM(37)),
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PaperSize("B0", MM(1000), MM(1414)),
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PaperSize("B1", MM(707), MM(1000)),
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PaperSize("B2", MM(500), MM(707)),
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PaperSize("B3", MM(353), MM(500)),
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PaperSize("B4", MM(250), MM(353)),
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PaperSize("B6", MM(125), MM(176)),
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PaperSize("B7", MM(88), MM(125)),
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PaperSize("B8", MM(62), MM(88)),
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PaperSize("B9", MM(44), MM(62)),
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PaperSize("B10", MM(31), MM(44)),
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PaperSize("Comm10E", MM(105), MM(241)),
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PaperSize("DLE", MM(110), MM(220)),
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PaperSize("Folio", MM(210), MM(330)),
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PaperSize("Ledger", MM(432), MM(279)),
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PaperSize("Tabloid", MM(279), MM(432)),
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PaperSize(0, MM(1), MM(1)) // mark end of list
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};
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//---------------------------------------------------------
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// getPaperSize
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//---------------------------------------------------------
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const PaperSize* getPaperSize(const QString& name)
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{
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for (int i = 0;;++i) {
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if (paperSizes[i].name == 0)
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break;
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if (name == paperSizes[i].name)
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return &paperSizes[i];
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}
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qDebug("unknown paper size");
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return &paperSizes[0];
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}
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//---------------------------------------------------------
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// paperSizeSizeToIndex
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//---------------------------------------------------------
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static const qreal minSize = 0.1; // minimum paper size for sanity check
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static const qreal maxError = 0.01; // max allowed error when matching sizes
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static qreal sizeError(const qreal si, const qreal sref)
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{
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qreal relErr = (si - sref) / sref;
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return relErr > 0 ? relErr : -relErr;
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}
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//---------------------------------------------------------
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// getPaperSize
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//---------------------------------------------------------
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const PaperSize* getPaperSize(const qreal wi, const qreal hi)
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{
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if (wi < minSize || hi < minSize)
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return &paperSizes[0];
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for (int i = 0;;++i) {
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if (paperSizes[i].name == 0)
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break;
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if (sizeError(wi, paperSizes[i].w) < maxError
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&& sizeError(hi, paperSizes[i].h) < maxError)
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return &paperSizes[i];
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if (sizeError(wi, paperSizes[i].h) < maxError
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&& sizeError(hi, paperSizes[i].w) < maxError)
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return &paperSizes[i];
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}
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qDebug("unknown paper size for %f x %f", wi, hi);
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//return custom
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return &paperSizes[0];
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}
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//---------------------------------------------------------
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// Page
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//---------------------------------------------------------
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Page::Page(Score* s)
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: Element(s),
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_no(0)
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{
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setFlags(0);
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bspTreeValid = false;
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}
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Page::~Page()
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{
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}
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//---------------------------------------------------------
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// items
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//---------------------------------------------------------
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QList<Element*> Page::items(const QRectF& r)
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{
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#ifdef USE_BSP
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if (!bspTreeValid)
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doRebuildBspTree();
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QList<Element*> el = bspTree.items(r);
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return el;
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#else
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Q_UNUSED(r)
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return QList<Element*>();
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#endif
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}
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QList<Element*> Page::items(const QPointF& p)
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{
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#ifdef USE_BSP
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if (!bspTreeValid)
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doRebuildBspTree();
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return bspTree.items(p);
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#else
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Q_UNUSED(p)
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return QList<Element*>();
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#endif
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}
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//---------------------------------------------------------
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// appendSystem
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//---------------------------------------------------------
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void Page::appendSystem(System* s)
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{
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s->setParent(this);
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_systems.append(s);
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}
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//---------------------------------------------------------
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// setNo
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//---------------------------------------------------------
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void Page::setNo(int n)
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{
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_no = n;
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}
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//---------------------------------------------------------
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// layout
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//---------------------------------------------------------
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void Page::layout()
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{
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bbox().setRect(0.0, 0.0, score()->loWidth(), score()->loHeight());
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}
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//---------------------------------------------------------
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// draw
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// bounding rectange fr is relative to page QPointF
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//---------------------------------------------------------
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void Page::draw(QPainter* painter) const
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{
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if (score()->layoutMode() != LayoutMode::PAGE)
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return;
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//
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// draw header/footer
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//
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int n = no() + 1 + _score->pageNumberOffset();
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painter->setPen(curColor());
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QString s1, s2, s3;
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if (_score->styleB(StyleIdx::showHeader) && (no() || _score->styleB(StyleIdx::headerFirstPage))) {
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bool odd = (n & 1) || !_score->styleB(StyleIdx::headerOddEven);
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if (odd) {
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s1 = _score->styleSt(StyleIdx::oddHeaderL);
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s2 = _score->styleSt(StyleIdx::oddHeaderC);
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s3 = _score->styleSt(StyleIdx::oddHeaderR);
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}
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else {
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s1 = _score->styleSt(StyleIdx::evenHeaderL);
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s2 = _score->styleSt(StyleIdx::evenHeaderC);
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s3 = _score->styleSt(StyleIdx::evenHeaderR);
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}
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drawHeaderFooter(painter, 0, s1);
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drawHeaderFooter(painter, 1, s2);
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drawHeaderFooter(painter, 2, s3);
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}
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if (_score->styleB(StyleIdx::showFooter) && (no() || _score->styleB(StyleIdx::footerFirstPage))) {
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bool odd = (n & 1) || !_score->styleB(StyleIdx::footerOddEven);
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if (odd) {
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s1 = _score->styleSt(StyleIdx::oddFooterL);
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s2 = _score->styleSt(StyleIdx::oddFooterC);
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s3 = _score->styleSt(StyleIdx::oddFooterR);
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}
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else {
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s1 = _score->styleSt(StyleIdx::evenFooterL);
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s2 = _score->styleSt(StyleIdx::evenFooterC);
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s3 = _score->styleSt(StyleIdx::evenFooterR);
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}
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drawHeaderFooter(painter, 3, s1);
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drawHeaderFooter(painter, 4, s2);
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drawHeaderFooter(painter, 5, s3);
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}
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}
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//---------------------------------------------------------
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// drawHeaderFooter
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//---------------------------------------------------------
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void Page::drawHeaderFooter(QPainter* p, int area, const QString& ss) const
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{
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QString s = replaceTextMacros(ss);
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if (s.isEmpty())
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return;
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Text text(score());
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text.setTextStyleType(area < 3 ? TextStyleType::HEADER : TextStyleType::FOOTER);
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text.setParent(const_cast<Page*>(this));
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text.setLayoutToParentWidth(true);
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Align flags;
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switch (area) {
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case 0: flags = AlignmentFlags::LEFT | AlignmentFlags::TOP; break;
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case 1: flags = AlignmentFlags::HCENTER | AlignmentFlags::TOP; break;
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case 2: flags = AlignmentFlags::RIGHT | AlignmentFlags::TOP; break;
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case 3: flags = AlignmentFlags::LEFT | AlignmentFlags::BOTTOM; break;
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case 4: flags = AlignmentFlags::HCENTER | AlignmentFlags::BOTTOM; break;
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case 5: flags = AlignmentFlags::RIGHT | AlignmentFlags::BOTTOM; break;
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}
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text.textStyle().setAlign(flags);
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text.setXmlText(s);
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text.layout();
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p->translate(text.pos());
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text.draw(p);
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p->translate(-text.pos());
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}
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//---------------------------------------------------------
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// scanElements
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//---------------------------------------------------------
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void Page::scanElements(void* data, void (*func)(void*, Element*), bool all)
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{
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for (System* s :_systems)
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s->scanElements(data, func, all);
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func(data, this);
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}
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//---------------------------------------------------------
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// PageFormat
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//---------------------------------------------------------
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PageFormat::PageFormat()
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{
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_size = QSizeF(210.0/INCH, 297.0/INCH); // A4
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_evenLeftMargin = 10.0 / INCH;
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_oddLeftMargin = 10.0 / INCH;
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_printableWidth = _size.width() - 20.0 / INCH;
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_evenTopMargin = 10.0 / INCH;
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_evenBottomMargin = 20.0 / INCH;
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_oddTopMargin = 10.0 / INCH;
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_oddBottomMargin = 20.0 / INCH;
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_twosided = true;
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}
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//---------------------------------------------------------
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// copy
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//---------------------------------------------------------
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void PageFormat::copy(const PageFormat& p)
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{
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_size = p._size;
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_printableWidth = p._printableWidth;
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_evenLeftMargin = p._evenLeftMargin;
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_oddLeftMargin = p._oddLeftMargin;
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_evenTopMargin = p._evenTopMargin;
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_evenBottomMargin = p._evenBottomMargin;
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_oddTopMargin = p._oddTopMargin;
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_oddBottomMargin = p._oddBottomMargin;
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_twosided = p._twosided;
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}
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//---------------------------------------------------------
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// setSize
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//---------------------------------------------------------
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void PageFormat::setSize(const PaperSize* size)
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{
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_size = QSizeF(size->w, size->h);
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}
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//---------------------------------------------------------
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// name
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//---------------------------------------------------------
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QString PageFormat::name() const
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{
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return paperSize()->name;
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}
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//---------------------------------------------------------
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// read
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// <page-layout>
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// <page-height>
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// <page-width>
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// <pageFormat>A6</pageFormat>
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// <landscape>1</landscape>
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// <page-margins>
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// <left-margin>28.3465</left-margin>
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// <right-margin>28.3465</right-margin>
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// <top-margin>28.3465</top-margin>
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// <bottom-margin>56.6929</bottom-margin>
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// </page-margins>
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// </page-layout>
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//---------------------------------------------------------
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void PageFormat::read(XmlReader& e, Score* score)
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{
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qreal _oddRightMargin = 0.0;
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qreal _evenRightMargin = 0.0;
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bool landscape = false;
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QString type;
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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if (tag == "pageFormat") // obsolete
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setSize(getPaperSize(e.readElementText()));
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else if (tag == "landscape") // obsolete
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landscape = e.readInt();
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else if (tag == "page-margins") {
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type = e.attribute("type","both");
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qreal lm = 0.0, rm = 0.0, tm = 0.0, bm = 0.0;
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while (e.readNextStartElement()) {
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const QStringRef& tag(e.name());
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qreal val = e.readDouble() * 0.5 / PPI;
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if (tag == "left-margin")
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lm = val;
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else if (tag == "right-margin")
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rm = val;
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else if (tag == "top-margin")
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tm = val;
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else if (tag == "bottom-margin")
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bm = val;
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else
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e.unknown();
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}
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_twosided = type == "odd" || type == "even";
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if (type == "odd" || type == "both") {
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_oddLeftMargin = lm;
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_oddRightMargin = rm;
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_oddTopMargin = tm;
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_oddBottomMargin = bm;
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}
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if (type == "even" || type == "both") {
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_evenLeftMargin = lm;
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_evenRightMargin = rm;
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_evenTopMargin = tm;
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_evenBottomMargin = bm;
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}
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}
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else if (tag == "page-height")
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_size.rheight() = e.readDouble() * 0.5 / PPI;
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else if (tag == "page-width")
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_size.rwidth() = e.readDouble() * .5 / PPI;
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else if (tag == "page-offset") { // obsolete, moved to Score
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QString val(e.readElementText());
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if(score)
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score->setPageNumberOffset(val.toInt());
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}
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else
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e.unknown();
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}
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if (landscape)
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_size.transpose();
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qreal w1 = _size.width() - _oddLeftMargin - _oddRightMargin;
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qreal w2 = _size.width() - _evenLeftMargin - _evenRightMargin;
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_printableWidth = qMin(w1, w2); // silently adjust right margins
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}
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//---------------------------------------------------------
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// write
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//---------------------------------------------------------
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void PageFormat::write(Xml& xml) const
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{
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xml.stag("page-layout");
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// convert inch to 1/10 spatium units
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// 20 - font design size in point
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// SPATIUM = 20/4
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// qreal t = 10 * PPI / (20 / 4);
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qreal t = 2 * PPI;
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xml.tag("page-height", _size.height() * t);
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xml.tag("page-width", _size.width() * t);
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const char* type = "both";
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if (_twosided) {
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type = "even";
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xml.stag(QString("page-margins type=\"%1\"").arg(type));
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xml.tag("left-margin", evenLeftMargin() * t);
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xml.tag("right-margin", evenRightMargin() * t);
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xml.tag("top-margin", evenTopMargin() * t);
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xml.tag("bottom-margin", evenBottomMargin() * t);
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xml.etag();
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type = "odd";
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}
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xml.stag(QString("page-margins type=\"%1\"").arg(type));
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xml.tag("left-margin", oddLeftMargin() * t);
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xml.tag("right-margin", oddRightMargin() * t);
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xml.tag("top-margin", oddTopMargin() * t);
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xml.tag("bottom-margin", oddBottomMargin() * t);
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xml.etag();
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xml.etag();
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}
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//---------------------------------------------------------
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// doRebuildBspTree
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//---------------------------------------------------------
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#ifdef USE_BSP
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void Page::doRebuildBspTree()
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{
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QList<Element*> el;
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for (System* s : _systems) {
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for (MeasureBase* m : s->measures())
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m->scanElements(&el, collectElements, false);
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}
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scanElements(&el, collectElements, false);
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int n = el.size();
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if (score()->layoutMode() == LayoutMode::LINE) {
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qreal w = 0.0;
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qreal h = 0.0;
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if (!_systems.empty()) {
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h = _systems.front()->height();
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if (!_systems.front()->measures().empty()) {
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MeasureBase* mb = _systems.front()->measures().back();
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w = mb->x() + mb->width();
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}
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}
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bspTree.initialize(QRectF(0.0, 0.0, w, h), n);
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}
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else
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bspTree.initialize(abbox(), n);
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for (int i = 0; i < n; ++i)
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bspTree.insert(el.at(i));
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bspTreeValid = true;
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}
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#endif
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//---------------------------------------------------------
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// replaceTextMacros
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// (keep in sync with toolTipHeaderFooter in EditStyle::EditStyle())
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// $p - page number, except on first page
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// $P - page number, on all pages
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// $N - page number, if there is more than one
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// $n - number of pages
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// $f - file name
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// $F - file path+name
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// $d - current date
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// $D - creation date
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// $m - last modification time
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// $M - last modification date
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// $C - copyright, on first page only
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// $c - copyright, on all pages
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// $$ - the $ sign itself
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// $:tag: - meta data tag
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//
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// tags already defined:
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// (see Score::init()))
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// copyright
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// creationDate
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// movementNumber
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// movementTitle
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// platform
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// source
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// workNumber
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// workTitle
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//---------------------------------------------------------
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QString Page::replaceTextMacros(const QString& s) const
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{
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QString d;
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for (int i = 0, n = s.size(); i < n; ++i) {
|
|
QChar c = s[i];
|
|
if (c == '$' && (i < (n-1))) {
|
|
QChar c = s[i+1];
|
|
switch(c.toLatin1()) {
|
|
case 'p': // not on first page 1
|
|
if (_no) // FALLTHROUGH
|
|
case 'N': // on page 1 only if there are multiple pages
|
|
if ( (_score->npages() + _score->pageNumberOffset()) > 1 ) // FALLTHROUGH
|
|
case 'P': // on all pages
|
|
{
|
|
int no = _no + 1 + _score->pageNumberOffset();
|
|
if (no > 0 )
|
|
d += QString("%1").arg(no);
|
|
}
|
|
break;
|
|
case 'n':
|
|
d += QString("%1").arg(_score->npages() + _score->pageNumberOffset());
|
|
break;
|
|
case 'f':
|
|
d += _score->rootScore()->name().toHtmlEscaped();
|
|
break;
|
|
case 'F':
|
|
d += _score->rootScore()->fileInfo()->absoluteFilePath().toHtmlEscaped();
|
|
break;
|
|
case 'd':
|
|
d += QDate::currentDate().toString(Qt::DefaultLocaleShortDate);
|
|
break;
|
|
case 'D':
|
|
{
|
|
QString creationDate = _score->metaTag("creationDate");
|
|
if (creationDate.isNull())
|
|
d += _score->fileInfo()->created().date().toString(Qt::DefaultLocaleShortDate);
|
|
else
|
|
d += QDate::fromString(creationDate, Qt::ISODate).toString(Qt::DefaultLocaleShortDate);
|
|
}
|
|
break;
|
|
case 'm':
|
|
if ( _score->dirty() )
|
|
d += QTime::currentTime().toString(Qt::DefaultLocaleShortDate);
|
|
else
|
|
d += _score->rootScore()->fileInfo()->lastModified().time().toString(Qt::DefaultLocaleShortDate);
|
|
break;
|
|
case 'M':
|
|
if ( _score->dirty() )
|
|
d += QDate::currentDate().toString(Qt::DefaultLocaleShortDate);
|
|
else
|
|
d += _score->rootScore()->fileInfo()->lastModified().date().toString(Qt::DefaultLocaleShortDate);
|
|
break;
|
|
case 'C': // only on first page
|
|
if (!_no) // FALLTHROUGH
|
|
case 'c':
|
|
d += _score->metaTag("copyright").toHtmlEscaped();
|
|
break;
|
|
case '$':
|
|
d += '$';
|
|
break;
|
|
case ':':
|
|
{
|
|
QString tag;
|
|
int k = i+2;
|
|
for (; k < n; ++k) {
|
|
if (s[k].toLatin1() == ':')
|
|
break;
|
|
tag += s[k];
|
|
}
|
|
if (k != n) { // found ':' ?
|
|
d += _score->metaTag(tag).toHtmlEscaped();
|
|
i = k-1;
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
d += '$';
|
|
d += c;
|
|
break;
|
|
}
|
|
++i;
|
|
}
|
|
else
|
|
d += c;
|
|
}
|
|
return d;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// isOdd
|
|
//---------------------------------------------------------
|
|
|
|
bool Page::isOdd() const
|
|
{
|
|
return (_no + 1 + _score->pageNumberOffset()) & 1;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// write
|
|
//---------------------------------------------------------
|
|
|
|
void Page::write(Xml& xml) const
|
|
{
|
|
xml.stag("Page");
|
|
foreach(System* system, _systems) {
|
|
system->write(xml);
|
|
}
|
|
xml.etag();
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// read
|
|
//---------------------------------------------------------
|
|
|
|
void Page::read(XmlReader& e)
|
|
{
|
|
while (e.readNextStartElement()) {
|
|
if (e.name() == "System") {
|
|
System* system = new System(score());
|
|
score()->systems().push_back(system);
|
|
system->read(e);
|
|
}
|
|
else
|
|
e.unknown();
|
|
}
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// searchSystem
|
|
// return list of systems as there may be more than
|
|
// one system in a row
|
|
// p is in canvas coordinates
|
|
//---------------------------------------------------------
|
|
|
|
QList<System*> Page::searchSystem(const QPointF& pos) const
|
|
{
|
|
QList<System*> systems;
|
|
qreal y = pos.y(); // transform to page relative
|
|
qreal y2;
|
|
int n = _systems.size();
|
|
for (int i = 0; i < n; ++i) {
|
|
System* s = _systems.at(i);
|
|
System* ns = 0; // next system row
|
|
int ii = i + 1;
|
|
for (; ii < n; ++ii) {
|
|
ns = _systems.at(ii);
|
|
if (ns->y() != s->y())
|
|
break;
|
|
}
|
|
if ((ii == n) || (ns == 0))
|
|
y2 = height();
|
|
else {
|
|
qreal sy2 = s->y() + s->bbox().height();
|
|
y2 = sy2 + (ns->y() - sy2) * .5;
|
|
}
|
|
if (y < y2) {
|
|
systems.append(s);
|
|
for (int ii = i+1; ii < n; ++ii) {
|
|
if (_systems.at(ii)->y() != s->y())
|
|
break;
|
|
systems.append(_systems.at(ii));
|
|
}
|
|
return systems;
|
|
}
|
|
}
|
|
return systems;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// searchMeasure
|
|
// p is in canvas coordinates
|
|
//---------------------------------------------------------
|
|
|
|
Measure* Page::searchMeasure(const QPointF& p) const
|
|
{
|
|
QList<System*> systems = searchSystem(p);
|
|
if (systems.empty())
|
|
return 0;
|
|
|
|
foreach(System* system, systems) {
|
|
qreal x = p.x() - system->pagePos().x();
|
|
foreach(MeasureBase* mb, system->measures()) {
|
|
if (mb->type() != Element::Type::MEASURE)
|
|
continue;
|
|
if (x < (mb->x() + mb->bbox().width()))
|
|
return static_cast<Measure*>(mb);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// pos2measure
|
|
//---------------------------------------------------------
|
|
|
|
/**
|
|
Return measure for canvas relative position \a p.
|
|
*/
|
|
|
|
MeasureBase* Page::pos2measure(const QPointF& p, int* rst, int* pitch,
|
|
Segment** seg, QPointF* offset) const
|
|
{
|
|
Measure* m = searchMeasure(p);
|
|
if (m == 0)
|
|
return 0;
|
|
|
|
System* s = m->system();
|
|
qreal y = p.y() - s->canvasPos().y();
|
|
|
|
int i;
|
|
for (i = 0; i < score()->nstaves();) {
|
|
SysStaff* stff = s->staff(i);
|
|
if (!stff->show() || !score()->staff(i)->show()) {
|
|
++i;
|
|
continue;
|
|
}
|
|
int ni = i;
|
|
for (;;) {
|
|
++ni;
|
|
if (ni == score()->nstaves() || (s->staff(ni)->show() && score()->staff(ni)->show()))
|
|
break;
|
|
}
|
|
|
|
qreal sy2;
|
|
if (ni != score()->nstaves()) {
|
|
SysStaff* nstaff = s->staff(ni);
|
|
qreal s1y2 = stff->bbox().y() + stff->bbox().height();
|
|
sy2 = s1y2 + (nstaff->bbox().y() - s1y2)/2;
|
|
}
|
|
else
|
|
sy2 = s->page()->height() - s->pos().y(); // s->height();
|
|
if (y > sy2) {
|
|
i = ni;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
// search for segment + offset
|
|
QPointF pppp = p - m->pagePos();
|
|
int track = i * VOICES;
|
|
|
|
SysStaff* sstaff = m->system()->staff(i);
|
|
for (Segment* segment = m->first(Segment::Type::ChordRest); segment; segment = segment->next(Segment::Type::ChordRest)) {
|
|
if ((segment->element(track) == 0)
|
|
&& (segment->element(track+1) == 0)
|
|
&& (segment->element(track+2) == 0)
|
|
&& (segment->element(track+3) == 0)
|
|
)
|
|
continue;
|
|
Segment* ns = segment->next();
|
|
for (; ns; ns = ns->next()) {
|
|
if (ns->segmentType() != Segment::Type::ChordRest)
|
|
continue;
|
|
if (ns->element(track)
|
|
|| ns->element(track+1)
|
|
|| ns->element(track+2)
|
|
|| ns->element(track+3))
|
|
break;
|
|
}
|
|
if (!ns || (pppp.x() < (segment->x() + (ns->x() - segment->x())* .5))) {
|
|
*rst = i;
|
|
if (pitch) {
|
|
// Staff* s = score()->staff(i);
|
|
// int clef = s->clef(segment->tick());
|
|
//TODO *pitch = score()->y2pitch(pppp.y() - sstaff->bbox().y(), clef, s->spatium());
|
|
}
|
|
if (offset)
|
|
*offset = pppp - QPointF(segment->x(), sstaff->bbox().y());
|
|
if (seg)
|
|
*seg = segment;
|
|
return m;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// elements
|
|
//---------------------------------------------------------
|
|
|
|
QList<const Element*> Page::elements()
|
|
{
|
|
QList<const Element*> el;
|
|
foreach (System* s, _systems) {
|
|
foreach(MeasureBase* m, s->measures())
|
|
m->scanElements(&el, collectElements, false);
|
|
}
|
|
scanElements(&el, collectElements, false);
|
|
return el;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tm
|
|
//---------------------------------------------------------
|
|
|
|
qreal Page::tm() const
|
|
{
|
|
const PageFormat* pf = _score->pageFormat();
|
|
return ((!pf->twosided() || isOdd()) ? pf->oddTopMargin() : pf->evenTopMargin()) * DPI;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// bm
|
|
//---------------------------------------------------------
|
|
|
|
qreal Page::bm() const
|
|
{
|
|
const PageFormat* pf = _score->pageFormat();
|
|
return ((!pf->twosided() || isOdd()) ? pf->oddBottomMargin() : pf->evenBottomMargin()) * DPI;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// lm
|
|
//---------------------------------------------------------
|
|
|
|
qreal Page::lm() const
|
|
{
|
|
const PageFormat* pf = _score->pageFormat();
|
|
return ((!pf->twosided() || isOdd()) ? pf->oddLeftMargin() : pf->evenLeftMargin()) * DPI;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// rm
|
|
//---------------------------------------------------------
|
|
|
|
qreal Page::rm() const
|
|
{
|
|
const PageFormat* pf = _score->pageFormat();
|
|
return ((!pf->twosided() || isOdd()) ? pf->oddRightMargin() : pf->evenRightMargin()) * DPI;
|
|
}
|
|
|
|
//---------------------------------------------------------
|
|
// tbbox
|
|
// calculates and returns smallest rectangle containing all (visible) page elements
|
|
//---------------------------------------------------------
|
|
|
|
QRectF Page::tbbox()
|
|
{
|
|
qreal x1 = width();
|
|
qreal x2 = 0.0;
|
|
qreal y1 = height();
|
|
qreal y2 = 0.0;
|
|
const QList<const Element*> el = elements();
|
|
for (const Element* e : el) {
|
|
if (e == this || !e->isPrintable())
|
|
continue;
|
|
QRectF ebbox = e->pageBoundingRect();
|
|
if (ebbox.left() < x1)
|
|
x1 = ebbox.left();
|
|
if (ebbox.right() > x2)
|
|
x2 = ebbox.right();
|
|
if (ebbox.top() < y1)
|
|
y1 = ebbox.top();
|
|
if (ebbox.bottom() > y2)
|
|
y2 = ebbox.bottom();
|
|
}
|
|
if (x1 < x2 && y1 < y2)
|
|
return QRectF(x1, y1, x2 - x1, y2 - y1);
|
|
else
|
|
return abbox();
|
|
}
|
|
|
|
}
|
|
|