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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "printout.h"
#include <QPrinter>
#include <QFontMetrics>
QT_BEGIN_NAMESPACE
using namespace Qt::StringLiterals;
PrintOut::PrintOut(QPrinter *printer)
: pr(printer), nextRule(NoRule), page(0)
{
p.begin(pr);
QFont f(QStringList{u"Arial"_s});
f8 = f;
f8.setPointSize(8);
f10 = f;
f10.setPointSize(10);
p.setFont(f10);
fmetrics = new QFontMetrics(p.fontMetrics());
hmargin = 5 * printer->width() / printer->widthMM(); // 5 mm
vmargin = 5 * printer->height() / printer->heightMM(); // 5 mm
hsize = printer->width() - 2 * hmargin;
vsize = printer->height() - vmargin;
dateTime = QDateTime::currentDateTime();
breakPage(true); // init vsize and draw first header
cp = Paragraph(QPoint(hmargin, voffset));
}
PrintOut::~PrintOut()
{
flushLine();
delete fmetrics;
p.end();
}
void PrintOut::setRule(Rule rule)
{
if (nextRule < rule)
nextRule = rule;
}
void PrintOut::setGuide(const QString &guide)
{
g = guide;
}
void PrintOut::vskip()
{
if (!firstParagraph)
voffset += 14;
}
void PrintOut::flushLine(bool /* mayBreak */)
{
if (voffset + cp.rect.height() > vsize)
breakPage();
else if (!firstParagraph)
drawRule(nextRule);
for (int i = 0; i < cp.boxes.size(); ++i) {
Box b = cp.boxes[i];
b.rect.translate(0, voffset);
QRect r = b.rect;
p.setFont(b.font);
p.drawText(r, b.text, b.options);
}
voffset += cp.rect.height();
nextRule = NoRule;
cp = Paragraph(QPoint(hmargin, voffset));
firstParagraph = false;
}
void PrintOut::addBox(int percent, const QString &text, Style style, Qt::Alignment halign)
{
QTextOption options;
options.setAlignment(halign | Qt::AlignTop);
options.setWrapMode(QTextOption::WrapAtWordBoundaryOrAnywhere);
QFont f = f10;
if (style == Strong)
f.setBold(true);
else if (style == Emphasis)
f.setItalic(true);
int wd = hsize * percent / 100;
QRect r(cp.rect.x() + cp.rect.width(), 0, wd, vsize);
const int ht = static_cast<int>(p.boundingRect(r, text, options).height());
Box b(r, text, f, options);
cp.boxes.append(b);
cp.rect.setSize(QSize(cp.rect.width() + wd, qMax(cp.rect.height(), ht)));
}
// use init if initial vsize should be calculated (first breakPage call)
void PrintOut::breakPage(bool init)
{
static const int LeftAlign = Qt::AlignLeft | Qt::AlignTop;
static const int RightAlign = Qt::AlignRight | Qt::AlignTop;
QRect r1, r2;
int h1 = 0;
int h2 = 0;
if (page > 0)
pr->newPage();
if (!init)
page++;
voffset = 0;
p.setFont(f10);
r1 = QRect(hmargin, voffset, 3 * hsize / 4, vsize);
r2 = QRect(r1.x() + r1.width(), voffset, hsize - r1.width(), vsize);
h1 = p.boundingRect(r1, LeftAlign, pr->docName()).height();
if (!init)
p.drawText(r1, LeftAlign, pr->docName());
h2 = p.boundingRect(r2, RightAlign, QString::number(page)).height();
if (!init)
p.drawText(r2, RightAlign, QString::number(page));
voffset += qMax(h1, h2 );
r1 = QRect(hmargin, voffset, hsize / 2, LeftAlign);
p.setFont(f8);
h1 = p.boundingRect(r1, LeftAlign, dateTime.toString()).height();
if (!init)
p.drawText(r1, LeftAlign, dateTime.toString());
p.setFont(f10);
voffset += qMax(h1, h2);
voffset += 4;
if (!init)
p.drawLine(QPoint(hmargin, voffset), QPoint(hmargin + hsize, voffset));
voffset += 14;
firstParagraph = true;
if (init) {
vsize -= voffset;
breakPage(); // now draw it when the vsize is ok
}
}
void PrintOut::drawRule(Rule rule)
{
QPen pen;
switch (rule) {
case NoRule:
voffset += 5;
break;
case ThinRule:
pen.setColor(QColor(192, 192, 192));
pen.setStyle(Qt::DotLine);
pen.setWidth(0);
p.setPen(pen);
voffset += 5;
p.drawLine(QPoint(hmargin, voffset),
QPoint(hmargin + hsize, voffset));
p.setPen(QPen());
voffset += 2;
break;
case ThickRule:
voffset += 7;
p.drawLine(QPoint(hmargin, voffset),
QPoint(hmargin + hsize, voffset));
voffset += 4;
}
}
QT_END_NAMESPACE
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