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#include <QtCore/qmath.h>
#include <QDebug>
#include <QPainter>
#include <QDesktopWidget>
#include <QApplication>
#include <QTableView>
#include <QHeaderView>
#include "mainwindow.h"
#include "profilegraphics.h"
#include "printlayout.h"
#include "../dive.h"
#include "../display.h"
#include "models.h"
/*
struct options {
enum { PRETTY, TABLE, TWOPERPAGE } type;
int print_selected;
int color_selected;
bool notes_up;
int profile_height, notes_height, tanks_height;
};
*/
PrintLayout::PrintLayout(PrintDialog *dialogPtr, QPrinter *printerPtr, struct options *optionsPtr)
{
dialog = dialogPtr;
printer = printerPtr;
printOptions = optionsPtr;
// table print settings
tablePrintHeadingBackground = 0xffeeeeee;
tablePrintColumnNames.append(tr("Dive#"));
tablePrintColumnNames.append(tr("Date"));
tablePrintColumnNames.append(tr("Depth"));
tablePrintColumnNames.append(tr("Duration"));
tablePrintColumnNames.append(tr("Master"));
tablePrintColumnNames.append(tr("Buddy"));
tablePrintColumnNames.append(tr("Location"));
tablePrintColumnWidths.append(7);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(10);
tablePrintColumnWidths.append(15);
tablePrintColumnWidths.append(15);
tablePrintColumnWidths.append(33);
}
void PrintLayout::print()
{
// we call setup each time to check if the printer properties have changed
setup();
switch (printOptions->type) {
case options::PRETTY:
printSixDives();
break;
case options::TWOPERPAGE:
printTwoDives();
break;
case options::TABLE:
printTable();
break;
}
}
void PrintLayout::setup()
{
QDesktopWidget *desktop = QApplication::desktop();
screenDpiX = desktop->physicalDpiX();
screenDpiY = desktop->physicalDpiY();
printerDpi = printer->resolution();
pageRect = printer->pageRect();
scaleX = (qreal)printerDpi/(qreal)screenDpiX;
scaleY = (qreal)printerDpi/(qreal)screenDpiY;
// a printer page scalled to screen DPI
scaledPageW = pageRect.width() / scaleX;
scaledPageH = pageRect.height() / scaleY;
}
// experimental
void PrintLayout::printSixDives() const
{
ProfileGraphicsView *profile = mainWindow()->graphics();
QPainter painter;
painter.begin(printer);
painter.setRenderHint(QPainter::Antialiasing);
// painter.setRenderHint(QPainter::HighQualityAntialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.scale(scaleX, scaleY);
profile->clear();
profile->setPrintMode(true, !printOptions->color_selected);
QSize originalSize = profile->size();
profile->resize(scaledPageW, scaledPageH);
int i;
struct dive *dive;
bool firstPage = true;
for_each_dive(i, dive) {
if (!dive->selected && printOptions->print_selected)
continue;
// don't create a new page if still on first page
if (!firstPage)
printer->newPage();
else
firstPage = false;
profile->plot(dive, true);
QPixmap pm = QPixmap::grabWidget(profile);
QTransform transform;
transform.rotate(270);
pm = QPixmap(pm.transformed(transform));
painter.drawPixmap(0, 0, pm);
}
painter.end();
profile->setPrintMode(false);
profile->resize(originalSize);
profile->clear();
profile->plot(current_dive, true);
}
void PrintLayout::printTwoDives() const
{
// nop
}
void PrintLayout::printTable()
{
// create and setup a table
QTableView table;
table.setAttribute(Qt::WA_DontShowOnScreen);
table.setSelectionMode(QAbstractItemView::NoSelection);
table.setFocusPolicy(Qt::NoFocus);
table.horizontalHeader()->setVisible(false);
table.horizontalHeader()->setResizeMode(QHeaderView::Fixed);
table.verticalHeader()->setVisible(false);
table.verticalHeader()->setResizeMode(QHeaderView::ResizeToContents);
table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
// fit table to one page initially
table.resize(scaledPageW, scaledPageH);
// create and fill a table model
TablePrintModel model;
struct dive *dive;
int i, row = 0;
addTablePrintHeadingRow(&model, row); // add one heading row
row++;
for_each_dive(i, dive) {
if (!dive->selected && printOptions->print_selected)
continue;
addTablePrintDataRow(&model, row, dive);
row++;
}
table.setModel(&model); // set model to table
// resize columns to percentages from page width
for (int i = 0; i < model.columns; i++) {
int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100);
table.horizontalHeader()->resizeSection(i, pw);
}
// reset the model at this point
model.callReset();
// a list of vertical offsets where pages begin and some helpers
QList<unsigned int> pageIndexes;
pageIndexes.append(0);
int tableHeight = 0, rowH = 0, accH = 0;
// process all rows
for (int i = 0; i < model.rows; i++) {
rowH = table.rowHeight(i);
accH += rowH;
if (accH > scaledPageH) { // push a new page index and add a heading
pageIndexes.append(pageIndexes.last() + (accH - rowH));
addTablePrintHeadingRow(&model, i);
accH = 0;
i--;
}
tableHeight += rowH;
}
pageIndexes.append(pageIndexes.last() + accH);
// resize the whole widget so that it can be rendered
table.resize(scaledPageW, tableHeight);
// attach a painter and render pages by using pageIndexes
QPainter painter(printer);
painter.setRenderHint(QPainter::Antialiasing);
painter.setRenderHint(QPainter::SmoothPixmapTransform);
painter.scale(scaleX, scaleY);
for (int i = 0; i < pageIndexes.size() - 1; i++) {
if (i > 0)
printer->newPage();
QRegion region(0, pageIndexes.at(i) - 1,
table.width(),
pageIndexes.at(i + 1) - pageIndexes.at(i) + 2);
table.render(&painter, QPoint(0, 0), region);
}
}
void PrintLayout::addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const
{
struct DiveItem di;
di.dive = dive;
model->insertRow();
model->setData(model->index(row, 0), QString::number(dive->number), Qt::DisplayRole);
model->setData(model->index(row, 1), di.displayDate(), Qt::DisplayRole);
model->setData(model->index(row, 2), di.displayDepth(), Qt::DisplayRole);
model->setData(model->index(row, 3), di.displayDuration(), Qt::DisplayRole);
model->setData(model->index(row, 4), dive->divemaster, Qt::DisplayRole);
model->setData(model->index(row, 5), dive->buddy, Qt::DisplayRole);
model->setData(model->index(row, 6), dive->location, Qt::DisplayRole);
}
void PrintLayout::addTablePrintHeadingRow(TablePrintModel *model, int row) const
{
model->insertRow(row);
for (int i = 0; i < model->columns; i++) {
model->setData(model->index(row, i), tablePrintColumnNames.at(i), Qt::DisplayRole);
model->setData(model->index(row, i), tablePrintHeadingBackground, Qt::BackgroundRole);
}
}
// experimental
QPixmap PrintLayout::convertPixmapToGrayscale(QPixmap pixmap) const
{
QImage image = pixmap.toImage();
int gray, width = pixmap.width(), height = pixmap.height();
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
gray = qGray(image.pixel(i, j));
image.setPixel(i, j, qRgb(gray, gray, gray));
}
}
return pixmap.fromImage(image);
}
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