mirror of
https://github.com/subsurface/subsurface.git
synced 2024-12-11 11:31:29 +00:00
85d4bb8a70
Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com> Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
460 lines
15 KiB
C++
460 lines
15 KiB
C++
#include <QtCore/qmath.h>
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#include <QDesktopWidget>
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#include <QPicture>
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#include <QMessageBox>
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#include <QPointer>
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#include <QTableView>
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#include "mainwindow.h"
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#include "printdialog.h"
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#include "printlayout.h"
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#include "modeldelegates.h"
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#include "models.h"
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#include "profile/profilewidget2.h"
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#include "divetripmodel.h"
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PrintLayout::PrintLayout(PrintDialog *dialogPtr, QPrinter *printerPtr, struct print_options *optionsPtr)
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{
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dialog = dialogPtr;
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printer = printerPtr;
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printOptions = optionsPtr;
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// table print settings
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tablePrintHeadingBackground = 0xffeeeeee;
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tablePrintColumnNames.append(tr("Dive#"));
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tablePrintColumnNames.append(tr("Date"));
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tablePrintColumnNames.append(tr("Depth"));
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tablePrintColumnNames.append(tr("Duration"));
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tablePrintColumnNames.append(tr("Master"));
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tablePrintColumnNames.append(tr("Buddy"));
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tablePrintColumnNames.append(tr("Location"));
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tablePrintColumnWidths.append(7);
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tablePrintColumnWidths.append(14);
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tablePrintColumnWidths.append(8);
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tablePrintColumnWidths.append(8);
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tablePrintColumnWidths.append(15);
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tablePrintColumnWidths.append(15);
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tablePrintColumnWidths.append(33);
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// profile print settings
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const int dw = 20; // base percentage
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profilePrintColumnWidths.append(dw);
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profilePrintColumnWidths.append(dw);
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profilePrintColumnWidths.append(dw + 8);
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profilePrintColumnWidths.append(dw - 4);
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profilePrintColumnWidths.append(dw - 4); // fit to 100%
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const int sr = 12; // smallest row height in pixels
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr + 4);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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profilePrintRowHeights.append(sr);
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}
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void PrintLayout::print()
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{
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// we call setup each time to check if the printer properties have changed
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setup();
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if (pageW == 0 || pageH == 0) {
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QMessageBox msgBox;
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msgBox.setIcon(QMessageBox::Critical);
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msgBox.setText(tr("Subsurface cannot find a usable printer on this system!"));
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msgBox.setWindowIcon(QIcon(":subsurface-icon"));
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msgBox.exec();
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return;
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}
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switch (printOptions->type) {
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case print_options::PRETTY:
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printProfileDives(3, 2);
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break;
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case print_options::ONEPERPAGE:
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printProfileDives(1, 1);
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break;
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case print_options::TWOPERPAGE:
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printProfileDives(2, 1);
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break;
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case print_options::TABLE:
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printTable();
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break;
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}
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}
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void PrintLayout::setup()
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{
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QDesktopWidget *desktop = QApplication::desktop();
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screenDpiX = desktop->physicalDpiX();
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screenDpiY = desktop->physicalDpiY();
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printerDpi = printer->resolution();
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pageRect = printer->pageRect();
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// a printer page in pixels
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pageW = pageRect.width();
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pageH = pageRect.height();
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}
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// go trought the dive table and find how many dives we are a going to print
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// TODO: C function: 'count_selected_dives' or something
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int PrintLayout::estimateTotalDives() const
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{
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int total = 0, i = 0;
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struct dive *dive;
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for_each_dive (i, dive) {
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if (!dive->selected && printOptions->print_selected)
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continue;
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total++;
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}
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return total;
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}
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/* the used formula here is:
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* s = (S - (n - 1) * p) / n
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* where:
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* s is the length of a single element (unknown)
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* S is the total available length
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* n is the number of elements to fit
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* p is the padding between elements
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*/
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#define ESTIMATE_DIVE_DIM(S, n, p) \
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((S) - ((n) - 1) * (p)) / (n);
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void PrintLayout::printProfileDives(int divesPerRow, int divesPerColumn)
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{
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int i, row = 0, col = 0, printed = 0, total = estimateTotalDives();
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int animationOriginal = prefs.animation_speed;
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struct dive *dive;
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if (!total)
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return;
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// disable animations on the profile:
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prefs.animation_speed = 0;
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// setup a painter
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QPainter painter;
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painter.begin(printer);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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// setup the profile widget
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QPointer<ProfileWidget2> profile = MainWindow::instance()->graphics();
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const int profileFrameStyle = profile->frameStyle();
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profile->setFrameStyle(QFrame::NoFrame);
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profile->setPrintMode(true, !printOptions->color_selected);
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profile->setFontPrintScale(divesPerRow * divesPerColumn > 3 ? 0.6 : 1.0);
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QSize originalSize = profile->size();
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// swap rows/col for landscape
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if (printer->orientation() == QPrinter::Landscape) {
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int swap = divesPerColumn;
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divesPerColumn = divesPerRow;
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divesPerRow = swap;
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}
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// padding in pixels between two dives. no padding if only one dive per page.
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const int padDef = 20;
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const int padW = (divesPerColumn < 2) ? 0 : padDef;
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const int padH = (divesPerRow < 2) ? 0 : padDef;
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// estimate dimensions for a single dive
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const int scaledW = ESTIMATE_DIVE_DIM(pageW, divesPerColumn, padW);
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const int scaledH = ESTIMATE_DIVE_DIM(pageH, divesPerRow, padH);
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// padding in pixels between profile and table
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const int padPT = 5;
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// create a model and table
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ProfilePrintModel model;
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model.setFontsize(7); // if this is changed we also need to change 'const int sr' in the constructor
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// if there is only one dive per page row we pass fitNotesToHeight to be almost half the page height
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QPointer<QTableView> table(createProfileTable(&model, scaledW, (divesPerRow == 1) ? scaledH * 0.45 : 0.0));
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// profilePrintTableMaxH updates after the table is created
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const int tableH = profilePrintTableMaxH;
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// resize the profile widget
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profile->resize(scaledW, scaledH - tableH - padPT);
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// offset table or profile on top
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int yOffsetProfile = 0, yOffsetTable = 0;
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if (printOptions->notes_up)
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yOffsetProfile = tableH + padPT;
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else
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yOffsetTable = scaledH - tableH;
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// plot the dives at specific rows and columns on the page
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for_each_dive (i, dive) {
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if (!dive->selected && printOptions->print_selected)
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continue;
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if (col == divesPerColumn) {
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col = 0;
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row++;
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if (row == divesPerRow) {
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row = 0;
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printer->newPage();
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}
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}
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// draw a profile
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QTransform origTransform = painter.transform();
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painter.translate((scaledW + padW) * col, (scaledH + padH) * row + yOffsetProfile);
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profile->plotDive(dive, true); // make sure the profile is actually redrawn
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#ifdef Q_OS_LINUX // on Linux there is a vector line bug (big lines in PDF), which forces us to render to QImage
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QImage image(scaledW, scaledH - tableH - padPT, QImage::Format_ARGB32);
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QPainter imgPainter(&image);
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imgPainter.setRenderHint(QPainter::Antialiasing);
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imgPainter.setRenderHint(QPainter::SmoothPixmapTransform);
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profile->render(&imgPainter, QRect(0, 0, scaledW, scaledH - tableH - padPT));
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imgPainter.end();
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painter.drawImage(image.rect(),image);
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#else // for other OS we can try rendering the profile as vector
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profile->render(&painter, QRect(0, 0, scaledW, scaledH - tableH - padPT));
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#endif
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painter.setTransform(origTransform);
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// draw a table
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QPicture pic;
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QPainter picPainter;
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painter.translate((scaledW + padW) * col, (scaledH + padH) * row + yOffsetTable);
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model.setDive(dive);
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picPainter.begin(&pic);
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table->render(&picPainter);
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picPainter.end();
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painter.drawPicture(QPoint(0,0), pic);
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painter.setTransform(origTransform);
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col++;
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printed++;
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emit signalProgress((printed * 100) / total);
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}
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// cleanup
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painter.end();
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profile->setFrameStyle(profileFrameStyle);
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profile->setPrintMode(false);
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profile->resize(originalSize);
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// we need to force a redraw of the profile so it switches back from print mode
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profile->plotDive(0, true);
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// re-enable animations
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prefs.animation_speed = animationOriginal;
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}
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/* we create a table that has a fixed height, but can stretch to fit certain width */
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QTableView *PrintLayout::createProfileTable(ProfilePrintModel *model, const int tableW, const qreal fitNotesToHeight)
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{
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// setup a new table
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QTableView *table = new QTableView();
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QHeaderView *vHeader = table->verticalHeader();
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QHeaderView *hHeader = table->horizontalHeader();
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table->setAttribute(Qt::WA_DontShowOnScreen);
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table->setSelectionMode(QAbstractItemView::NoSelection);
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table->setFocusPolicy(Qt::NoFocus);
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table->setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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table->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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hHeader->setVisible(false);
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vHeader->setVisible(false);
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hHeader->setSectionResizeMode(QHeaderView::Fixed);
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vHeader->setSectionResizeMode(QHeaderView::Fixed);
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// set the model
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table->setModel(model);
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/* setup cell span for the table using QTableView::setSpan().
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* changes made here reflect on ProfilePrintModel::data(). */
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const int cols = model->columnCount();
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const int rows = model->rowCount();
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// info on top
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table->setSpan(0, 0, 1, 3);
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table->setSpan(1, 0, 1, 3);
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table->setSpan(0, 3, 1, 2);
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table->setSpan(1, 3, 1, 2);
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// gas used
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table->setSpan(2, 0, 1, 2);
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table->setSpan(3, 0, 1, 2);
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// notes
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table->setSpan(6, 0, 1, 5);
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table->setSpan(7, 0, 5, 5);
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/* resize row heights to the 'profilePrintRowHeights' indexes.
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* profilePrintTableMaxH will then hold the table height.
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* what fitNotesToHeight does it to expand the notes section to fit a special height */
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int i;
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profilePrintTableMaxH = 0;
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for (i = 0; i < rows; i++) {
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int h = (i == rows - 1 && fitNotesToHeight != 0.0) ? fitNotesToHeight : profilePrintRowHeights.at(i);
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profilePrintTableMaxH += h;
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vHeader->resizeSection(i, h);
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}
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// resize columns. columns widths are percentages from the table width.
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int accW = 0;
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for (i = 0; i < cols; i++) {
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int pw = qCeil((qreal)(profilePrintColumnWidths.at(i) * tableW) / 100.0);
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accW += pw;
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if (i == cols - 1 && accW > tableW) /* adjust last column */
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pw -= accW - tableW;
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hHeader->resizeSection(i, pw);
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}
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// resize
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table->resize(tableW, profilePrintTableMaxH);
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// hide the grid and set a stylesheet
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table->setItemDelegate(new ProfilePrintDelegate(table));
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table->setItemDelegateForRow(7, new HTMLDelegate(table));
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table->setShowGrid(false);
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table->setStyleSheet(
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"QTableView { border: none }"
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"QTableView::item { border: 0px; padding-left: 2px; padding-right: 2px; }");
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// return
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return table;
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}
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void PrintLayout::printTable()
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{
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struct dive *dive;
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int done = 0; // percents done
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int i, row = 0, progress, total = estimateTotalDives();
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if (!total)
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return;
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// create and setup a table
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QTableView table;
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table.setAttribute(Qt::WA_DontShowOnScreen);
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table.setSelectionMode(QAbstractItemView::NoSelection);
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table.setFocusPolicy(Qt::NoFocus);
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table.horizontalHeader()->setVisible(false);
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table.verticalHeader()->setVisible(false);
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table.horizontalHeader()->setSectionResizeMode(QHeaderView::Fixed);
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table.verticalHeader()->setSectionResizeMode(QHeaderView::ResizeToContents);
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table.setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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table.setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
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// fit table to one page initially
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table.resize(pageW, pageH);
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// don't show border
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table.setStyleSheet(
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"QTableView { border: none }");
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// create and fill a table model
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TablePrintModel model;
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addTablePrintHeadingRow(&model, row); // add one heading row
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row++;
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progress = 0;
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for_each_dive (i, dive) {
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if (!dive->selected && printOptions->print_selected)
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continue;
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addTablePrintDataRow(&model, row, dive);
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row++;
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progress++;
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emit signalProgress((progress * 10) / total);
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}
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done = 10;
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table.setModel(&model); // set model to table
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// resize columns to percentages from page width
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int accW = 0;
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int cols = model.columns;
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int tableW = table.width();
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for (i = 0; i < model.columns; i++) {
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int pw = qCeil((qreal)(tablePrintColumnWidths.at(i) * table.width()) / 100.0);
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accW += pw;
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if (i == cols - 1 && accW > tableW) /* adjust last column */
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pw -= accW - tableW;
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table.horizontalHeader()->resizeSection(i, pw);
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}
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// reset the model at this point
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model.callReset();
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// a list of vertical offsets where pages begin and some helpers
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QList<unsigned int> pageIndexes;
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pageIndexes.append(0);
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/* the algorithm bellow processes the table rows in multiple passes,
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* compensating for loss of space due to moving rows on a new page instead
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* of truncating them.
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* there is a 'passes' array defining how much percents of the total
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* progress each will take. given, the first and last stage of this function
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* use 10% each, then the sum of passes[] here should be 80%.
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* two should be enough! */
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const int passes[] = { 70, 10 };
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int tableHeight = 0, lastAccIndex = 0, rowH, accH, headings, headingRowHeightD2, headingRowHeight;
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bool newHeading = false;
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for (unsigned int pass = 0; pass < sizeof(passes) / sizeof(passes[0]); pass++) {
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progress = headings = accH = 0;
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total = model.rows - lastAccIndex;
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for (i = lastAccIndex; i < model.rows; i++) {
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rowH = table.rowHeight(i);
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if (i == 0) { // first row is always a heading. it's height is constant.
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headingRowHeight = rowH;
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headingRowHeightD2 = rowH / 2;
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}
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if (rowH > pageH - headingRowHeight) // skip huge rows. we don't support row spanning on multiple pages.
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continue;
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accH += rowH;
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if (newHeading) {
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headings += rowH;
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newHeading = false;
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}
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if (accH > pageH) {
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lastAccIndex = i;
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pageIndexes.append(pageIndexes.last() + (accH - rowH));
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addTablePrintHeadingRow(&model, i);
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newHeading = true;
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accH = 0;
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i--;
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}
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tableHeight += table.rowHeight(i);
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progress++;
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emit signalProgress(done + (progress * passes[pass]) / total);
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}
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done += passes[pass];
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}
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done = 90;
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pageIndexes.append(pageIndexes.last() + accH + headings);
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table.resize(pageW, tableHeight);
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/* attach a painter and render pages by using pageIndexes
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* there is a weird QPicture dependency here; we need to offset a page
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* by headingRowHeightD2, which is half the heading height. the same doesn't
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* make sense if we are rendering the table widget directly to the printer-painter. */
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QPainter painter(printer);
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painter.setRenderHint(QPainter::Antialiasing);
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painter.setRenderHint(QPainter::SmoothPixmapTransform);
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total = pageIndexes.size() - 1;
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progress = 0;
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for (i = 0; i < total; i++) {
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if (i > 0)
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printer->newPage();
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QRegion region(0, pageIndexes.at(i) + headingRowHeightD2 - 1,
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table.width(),
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pageIndexes.at(i + 1) - (pageIndexes.at(i) + headingRowHeightD2) + 1);
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// vectorize the table first by using QPicture
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QPicture pic;
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QPainter picPainter;
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picPainter.begin(&pic);
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table.render(&picPainter, QPoint(0, 0), region);
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picPainter.end();
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painter.drawPicture(QPoint(0, headingRowHeightD2), pic);
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progress++;
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emit signalProgress(done + (progress * 10) / total);
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}
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}
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void PrintLayout::addTablePrintDataRow(TablePrintModel *model, int row, struct dive *dive) const
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{
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struct DiveItem di;
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di.diveId = dive->id;
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model->insertRow();
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model->setData(model->index(row, 0), QString::number(dive->number), Qt::DisplayRole);
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model->setData(model->index(row, 1), di.displayDate(), Qt::DisplayRole);
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model->setData(model->index(row, 2), di.displayDepthWithUnit(), Qt::DisplayRole);
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model->setData(model->index(row, 3), di.displayDuration(), Qt::DisplayRole);
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model->setData(model->index(row, 4), dive->divemaster, Qt::DisplayRole);
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model->setData(model->index(row, 5), dive->buddy, Qt::DisplayRole);
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model->setData(model->index(row, 6), get_dive_location(dive), Qt::DisplayRole);
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}
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void PrintLayout::addTablePrintHeadingRow(TablePrintModel *model, int row) const
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{
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model->insertRow(row);
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for (int i = 0; i < model->columns; i++) {
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model->setData(model->index(row, i), tablePrintColumnNames.at(i), Qt::DisplayRole);
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model->setData(model->index(row, i), tablePrintHeadingBackground, Qt::BackgroundRole);
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}
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}
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