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MultiLayer.cpp
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MultiLayer.cpp
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/***************************************************************************
File : MultiLayer.cpp
Project : QtiPlot
--------------------------------------------------------------------
Copyright : (C) 2006 by Ion Vasilief, Tilman Hoener zu Siederdissen
Email (use @ for *) : ion_vasilief*yahoo.fr, thzs*gmx.net
Description : Multi layer widget
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 51 Franklin Street, Fifth Floor, *
* Boston, MA 02110-1301 USA *
* *
***************************************************************************/
#include <QVector>
#include <QWidgetList>
#include <QPrinter>
#include <QPrintDialog>
#include <QApplication>
#include <QMessageBox>
#include <QBitmap>
#include <QImageWriter>
#include <QPainter>
#include <QPicture>
#include <QClipboard>
#include <QCheckBox>
#include <QGroupBox>
#include <QSpinBox>
#include <QSize>
#include <set>
#if QT_VERSION >= 0x040300
#include <QSvgGenerator>
#endif
#include <qwt_plot.h>
#include <qwt_plot_canvas.h>
#include <qwt_plot_layout.h>
#include <qwt_scale_widget.h>
#include <qwt_text_label.h>
#include "MultiLayer.h"
#include "Plot.h"
#include "LegendWidget.h"
#include "SelectionMoveResizer.h"
#include "ApplicationWindow.h"
#include <ColorButton.h>
#include "Mantid/MantidDock.h"
#include "Mantid/MantidMatrixCurve.h"
#include "Mantid/MantidMDCurve.h"
#include <gsl/gsl_vector.h>
#include "Mantid/MantidMDCurveDialog.h"
#include "Mantid/MantidWSIndexDialog.h"
#include "MantidQtSliceViewer/LinePlotOptions.h"
#include "TSVSerialiser.h"
namespace
{
/// static logger
Mantid::Kernel::Logger g_log("MultiLayer");
}
LayerButton::LayerButton(const QString& text, QWidget* parent)
: QPushButton(text, parent)
{
int btn_size = 20;
setToggleButton(true);
setOn(true);
setMaximumWidth(btn_size);
setMaximumHeight(btn_size);
}
void LayerButton::mousePressEvent( QMouseEvent *event )
{
if (event->button() == Qt::LeftButton && !isOn())
emit clicked(this);
}
void LayerButton::mouseDoubleClickEvent ( QMouseEvent * )
{
emit showCurvesDialog();
}
MultiLayer::MultiLayer(ApplicationWindow* parent, int layers, int rows, int cols,
const QString& label, const char* name, Qt::WFlags f)
: MdiSubWindow(parent, label, name, f),
active_graph(NULL),
d_cols(cols),
d_rows(rows),
graph_width(500),
graph_height(400),
colsSpace(5),
rowsSpace(5),
left_margin(5),
right_margin(5),
top_margin(5),
bottom_margin(5),
l_canvas_width(400),
l_canvas_height(300),
hor_align(HCenter),
vert_align(VCenter),
d_scale_on_print(true),
d_print_cropmarks(false),
d_is_waterfall_plot(false),
d_waterfall_fill_color(/*Invalid color*/)
{
layerButtonsBox = new QHBoxLayout();
waterfallBox = new QHBoxLayout();
buttonsLine = new QHBoxLayout();
buttonsLine->addLayout(layerButtonsBox);
buttonsLine->addStretch();
buttonsLine->addLayout(waterfallBox);
canvas = new QWidget();
QWidget *mainWidget = new QWidget();
mainWidget->setAutoFillBackground(true);
mainWidget->setBackgroundRole(QPalette::Window);
//setAutoFillBackground(true);
//setBackgroundRole(QPalette::Window);
QVBoxLayout* layout = new QVBoxLayout(mainWidget);
//QVBoxLayout* layout = new QVBoxLayout(this);
layout->addLayout(buttonsLine);
layout->addWidget(canvas, 1);
layout->setMargin(0);
layout->setSpacing(0);
setWidget(mainWidget);
int canvas_width = graph_width + left_margin + right_margin;
int canvas_height = graph_height + top_margin + bottom_margin;
setGeometry(QRect(0, 0, canvas_width, canvas_height + LayerButton::btnSize()));
canvas->resize(canvas_width, canvas_height);
canvas->installEventFilter(this);
QPalette pal = palette();
pal.setColor(QPalette::Window, QColor(Qt::white));
setPalette(pal);
for (int i = 0; i < layers; i++)
addLayer();
//setFocusPolicy(Qt::StrongFocus);
//setFocus();
setAcceptDrops(true);
}
MultiLayer::~MultiLayer()
{
}
QSize MultiLayer::minimumSizeHint() const
{
return QSize(200, 200);
}
Graph *MultiLayer::layer(int num)
{
int index = num - 1;
if (index < 0 || index >= graphsList.count())
return 0;
return static_cast<Graph*>(graphsList.at(index));
}
void MultiLayer::insertCurve(MultiLayer* ml, int i)
{
if( ml== this ) return;
Graph *current = activeGraph();
if( !current ) return;
current->insertCurve(ml->activeGraph(), i);
current->updatePlot();
}
LayerButton* MultiLayer::addLayerButton()
{
foreach(LayerButton *btn, buttonsList)
btn->setOn(false);
LayerButton *button = new LayerButton(QString::number(graphsList.size() + 1));
connect (button, SIGNAL(clicked(LayerButton*)), this, SLOT(activateGraph(LayerButton*)));
connect (button, SIGNAL(showCurvesDialog()), this, SIGNAL(showCurvesDialog()));
buttonsList.append(button);
layerButtonsBox->addWidget(button);
return button;
}
Graph* MultiLayer::addLayer(int x, int y, int width, int height)
{
addLayerButton();
if (!width && !height){
width = canvas->width() - left_margin - right_margin - (d_cols - 1)*colsSpace;
height = canvas->height() - top_margin - left_margin - (d_rows - 1)*rowsSpace;
int layers = graphsList.size();
x = left_margin + (layers % d_cols)*(width + colsSpace);
y = top_margin + (layers / d_cols)*(height + rowsSpace);
}
Graph* g = new Graph(x, y, width, height, canvas);
g->show();
graphsList.append(g);
active_graph = g;
connectLayer(g);
return g;
}
void MultiLayer::adjustSize()
{
canvas->resize(size().width(), size().height() - LayerButton::btnSize());
}
void MultiLayer::activateGraph(LayerButton* button)
{
for (int i=0;i<buttonsList.count();i++)
{
LayerButton *btn=static_cast<LayerButton*>(buttonsList.at(i));
if (btn->isOn())
btn->setOn(false);
if (btn == button)
{
active_graph = static_cast<Graph*>(graphsList.at(i));
//active_graph->setFocus();
active_graph->raise();//raise layer on top of the layers stack
button->setOn(true);
if( d_layers_selector )
{
removeLayerSelectionFrame();
}
}
}
}
void MultiLayer::setActiveGraph(Graph* g)
{
if (!g || active_graph == g)
return;
// Make sure the passed in Graph belongs to this object
bool found = false;
foreach(Graph *gr, graphsList)
{
if (gr == g) found = true;
}
if (!found) return;
active_graph = g;
//active_graph->setFocus();
if (d_layers_selector)
{
removeLayerSelectionFrame();
}
active_graph->raise();//raise layer on top of the layers stack
for(int i=0; i<graphsList.count(); i++){
Graph *gr = static_cast<Graph *>(graphsList.at(i));
gr->deselect();
LayerButton *btn = static_cast<LayerButton *>(buttonsList.at(i));
if (gr == g)
btn->setOn(true);
else
btn->setOn(false);
}
}
void MultiLayer::resizeLayers (QResizeEvent *re)
{
if (applicationWindow()->d_opening_file)
return;
QSize oldSize = re->oldSize();
QSize size = re->size();
bool scaleLayerFonts = false;
if(!oldSize.isValid()){// The old size is invalid when maximizing a window (why?)
oldSize = QSize(canvas->childrenRect().width() + left_margin + right_margin,
canvas->childrenRect().height() + top_margin + bottom_margin);
scaleLayerFonts = true;
}
QApplication::setOverrideCursor(Qt::waitCursor);
double w_ratio = (double)size.width()/(double)oldSize.width();
double h_ratio = (double)(size.height())/(double)(oldSize.height());
foreach (Graph *g, graphsList){
if (!g->ignoresResizeEvents()){
QObjectList lst = g->plotWidget()->children();
foreach(QObject *o, lst){
if (o->isA("LegendWidget"))
static_cast<LegendWidget *>(o)->setFixedCoordinatesMode();
}
int gx = qRound(g->x()*w_ratio);
int gy = qRound(g->y()*h_ratio);
int gw = qRound(g->width()*w_ratio);
int gh = qRound(g->height()*h_ratio);
g->setGeometry(QRect(gx, gy, gw, gh));
g->plotWidget()->resize(QSize(gw, gh));
if (scaleLayerFonts && g->autoscaleFonts())
g->scaleFonts(h_ratio);
}
}
if (d_is_waterfall_plot)
updateWaterfalls();
//emit modifiedPlot();
//repaint();
QApplication::restoreOverrideCursor();
}
void MultiLayer::confirmRemoveLayer()
{
if (graphsList.size() > 1){
switch(QMessageBox::information(this,
tr("MantidPlot - Guess best layout?"),
tr("Do you want MantidPlot to rearrange the remaining layers?"),
tr("&Yes"), tr("&No"), tr("&Cancel"),
0, 2) )
{
case 0:
removeLayer();
arrangeLayers(true, false);
break;
case 1:
removeLayer();
break;
case 2:
return;
break;
}
} else
removeLayer();
}
void MultiLayer::removeLayer()
{
//remove corresponding button
foreach(LayerButton* btn, buttonsList){
if (btn->isOn()){
buttonsList.removeAll(btn);
btn->close(true);
break;
}
}
int i = 0;
foreach(LayerButton* btn, buttonsList)//update the texts of the buttons
btn->setText(QString::number(i + 1));
if (active_graph->zoomOn() || active_graph->activeTool())
emit setPointerCursor();
int index = graphsList.indexOf(active_graph);
graphsList.removeAt(index);
active_graph->setAttribute(Qt::WA_DeleteOnClose, false);
active_graph->close();
delete active_graph;
if(index >= graphsList.count())
index--;
if (graphsList.count() == 0){
active_graph = 0;
return;
}
active_graph=static_cast<Graph*>( graphsList.at(index));
for (i=0;i<(int)graphsList.count();i++){
Graph *gr=static_cast<Graph *>(graphsList.at(i));
if (gr == active_graph){
LayerButton *button = static_cast<LayerButton *>(buttonsList.at(i));
button->setOn(TRUE);
break;
}
}
emit modifiedPlot();
}
void MultiLayer::setGraphGeometry(int x, int y, int w, int h)
{
if (active_graph->pos() == QPoint (x,y) &&
active_graph->size() == QSize (w,h))
return;
active_graph->setGeometry(QRect(QPoint(x,y),QSize(w,h)));
active_graph->plotWidget()->resize(QSize(w, h));
emit modifiedPlot();
}
QSize MultiLayer::arrangeLayers(bool userSize)
{
int layers = graphsList.size();
const QRect rect = canvas->geometry();
gsl_vector *xTopR = gsl_vector_calloc (layers);//ratio between top axis + title and canvas height
gsl_vector *xBottomR = gsl_vector_calloc (layers); //ratio between bottom axis and canvas height
gsl_vector *yLeftR = gsl_vector_calloc (layers);
gsl_vector *yRightR = gsl_vector_calloc (layers);
gsl_vector *maxXTopHeight = gsl_vector_calloc (d_rows);//maximum top axis + title height in a row
gsl_vector *maxXBottomHeight = gsl_vector_calloc (d_rows);//maximum bottom axis height in a row
gsl_vector *maxYLeftWidth = gsl_vector_calloc (d_cols);//maximum left axis width in a column
gsl_vector *maxYRightWidth = gsl_vector_calloc (d_cols);//maximum right axis width in a column
gsl_vector *Y = gsl_vector_calloc (d_rows);
gsl_vector *X = gsl_vector_calloc (d_cols);
for (int i=0; i<layers; i++)
{//calculate scales/canvas dimensions reports for each layer and stores them in the above vectors
Graph *gr = static_cast<Graph *>(graphsList.at(i));
QwtPlot *plot = gr->plotWidget();
QwtPlotLayout *plotLayout=plot->plotLayout();
QRect cRect=plotLayout->canvasRect();
double ch = (double) cRect.height();
double cw = (double) cRect.width();
QRect tRect=plotLayout->titleRect ();
QwtScaleWidget *scale=(QwtScaleWidget *) plot->axisWidget (QwtPlot::xTop);
int topHeight = 0;
if (!tRect.isNull())
topHeight += tRect.height() + plotLayout->spacing();
if (scale){
QRect sRect=plotLayout->scaleRect (QwtPlot::xTop);
topHeight += sRect.height();
}
gsl_vector_set (xTopR, i, double(topHeight)/ch);
scale=(QwtScaleWidget *) plot->axisWidget (QwtPlot::xBottom);
if (scale){
QRect sRect = plotLayout->scaleRect (QwtPlot::xBottom);
gsl_vector_set (xBottomR, i, double(sRect.height())/ch);
}
scale=(QwtScaleWidget *) plot->axisWidget (QwtPlot::yLeft);
if (scale){
QRect sRect = plotLayout->scaleRect (QwtPlot::yLeft);
gsl_vector_set (yLeftR, i, double(sRect.width())/cw);
}
scale=(QwtScaleWidget *) plot->axisWidget (QwtPlot::yRight);
if (scale){
QRect sRect = plotLayout->scaleRect (QwtPlot::yRight);
gsl_vector_set (yRightR, i, double(sRect.width())/cw);
}
//calculate max scales/canvas dimensions ratio for each line and column and stores them to vectors
int row = i / d_cols;
if (row >= d_rows )
row = d_rows - 1;
int col = i % d_cols;
double aux = gsl_vector_get(xTopR, i);
double old_max = gsl_vector_get(maxXTopHeight, row);
if (aux >= old_max)
gsl_vector_set(maxXTopHeight, row, aux);
aux = gsl_vector_get(xBottomR, i) ;
if (aux >= gsl_vector_get(maxXBottomHeight, row))
gsl_vector_set(maxXBottomHeight, row, aux);
aux = gsl_vector_get(yLeftR, i);
if (aux >= gsl_vector_get(maxYLeftWidth, col))
gsl_vector_set(maxYLeftWidth, col, aux);
aux = gsl_vector_get(yRightR, i);
if (aux >= gsl_vector_get(maxYRightWidth, col))
gsl_vector_set(maxYRightWidth, col, aux);
}
double c_heights = 0.0;
for (int i=0; i<d_rows; i++){
gsl_vector_set (Y, i, c_heights);
c_heights += 1 + gsl_vector_get(maxXTopHeight, i) + gsl_vector_get(maxXBottomHeight, i);
}
double c_widths = 0.0;
for (int i=0; i<d_cols; i++){
gsl_vector_set (X, i, c_widths);
c_widths += 1 + gsl_vector_get(maxYLeftWidth, i) + gsl_vector_get(maxYRightWidth, i);
}
if (!userSize){
l_canvas_width = static_cast<int>((rect.width()-(d_cols-1)*colsSpace - right_margin - left_margin)/c_widths);
l_canvas_height = static_cast<int>((rect.height()-(d_rows-1)*rowsSpace - top_margin - bottom_margin)/c_heights);
}
QSize size = QSize(l_canvas_width, l_canvas_height);
for (int i=0; i<layers; i++){
int row = i / d_cols;
if (row >= d_rows )
row = d_rows - 1;
int col = i % d_cols;
//calculate sizes and positions for layers
const int w = int (l_canvas_width*(1 + gsl_vector_get(yLeftR, i) + gsl_vector_get(yRightR, i)));
const int h = int (l_canvas_height*(1 + gsl_vector_get(xTopR, i) + gsl_vector_get(xBottomR, i)));
int x = left_margin + col*colsSpace;
if (hor_align == HCenter)
x += int (l_canvas_width*(gsl_vector_get(X, col) + gsl_vector_get(maxYLeftWidth, col) - gsl_vector_get(yLeftR, i)));
else if (hor_align == Left)
x += static_cast<int>(l_canvas_width*gsl_vector_get(X, col));
else if (hor_align == Right)
x += static_cast<int>(l_canvas_width*(gsl_vector_get(X, col) + gsl_vector_get(maxYLeftWidth, col) - gsl_vector_get(yLeftR, i)+
gsl_vector_get(maxYRightWidth, col) - gsl_vector_get(yRightR, i)));
int y = top_margin + row*rowsSpace;
if (vert_align == VCenter)
y += static_cast<int>(l_canvas_height*(gsl_vector_get(Y, row) + gsl_vector_get(maxXTopHeight, row) - gsl_vector_get(xTopR, i)));
else if (vert_align == Top)
y += static_cast<int>(l_canvas_height*gsl_vector_get(Y, row));
else if (vert_align == Bottom)
y += static_cast<int>(l_canvas_height*(gsl_vector_get(Y, row) + gsl_vector_get(maxXTopHeight, row) - gsl_vector_get(xTopR, i)+
+ gsl_vector_get(maxXBottomHeight, row) - gsl_vector_get(xBottomR, i)));
//resizes and moves layers
Graph *gr = static_cast<Graph *>(graphsList.at(i));
bool autoscaleFonts = false;
if (!userSize){//When the user specifies the layer canvas size, the window is resized
//and the fonts must be scaled accordingly. If the size is calculated
//automatically we don't rescale the fonts in order to prevent problems
//with too small fonts when the user adds new layers or when removing layers
autoscaleFonts = gr->autoscaleFonts();//save user settings
gr->setAutoscaleFonts(false);
}
gr->setGeometry(QRect(x, y, w, h));
gr->plotWidget()->resize(QSize(w, h));
if (!userSize)
gr->setAutoscaleFonts(autoscaleFonts);//restore user settings
}
//free memory
gsl_vector_free (maxXTopHeight); gsl_vector_free (maxXBottomHeight);
gsl_vector_free (maxYLeftWidth); gsl_vector_free (maxYRightWidth);
gsl_vector_free (xTopR); gsl_vector_free (xBottomR);
gsl_vector_free (yLeftR); gsl_vector_free (yRightR);
gsl_vector_free (X); gsl_vector_free (Y);
return size;
}
void MultiLayer::findBestLayout(int &d_rows, int &d_cols)
{
int NumGraph = graphsList.size();
if(NumGraph%2==0) // NumGraph is an even number
{
if(NumGraph<=2)
d_cols=NumGraph/2+1;
else if(NumGraph>2)
d_cols=NumGraph/2;
if(NumGraph<8)
d_rows=NumGraph/4+1;
if(NumGraph>=8)
d_rows=NumGraph/4;
}
else if(NumGraph%2!=0) // NumGraph is an odd number
{
int Num=NumGraph+1;
if(Num<=2)
d_cols=1;
else if(Num>2)
d_cols=Num/2;
if(Num<8)
d_rows=Num/4+1;
if(Num>=8)
d_rows=Num/4;
}
}
void MultiLayer::arrangeLayers(bool fit, bool userSize)
{
if (graphsList.size() == 0)
return;
QApplication::setOverrideCursor(Qt::waitCursor);
if(d_layers_selector)
{
removeLayerSelectionFrame();
}
if (fit)
findBestLayout(d_rows, d_cols);
//the canvas sizes of all layers become equal only after several
//resize iterations, due to the way Qwt handles the plot layout
int iterations = 0;
QSize size = arrangeLayers(userSize);
QSize canvas_size = QSize(1,1);
while (canvas_size != size && iterations < 10){
iterations++;
canvas_size = size;
size = arrangeLayers(userSize);
}
if (userSize){//resize window
bool ignoreResize = active_graph->ignoresResizeEvents();
foreach (Graph *gr, graphsList)
gr->setIgnoreResizeEvents(true);
this->showNormal();
QSize size = canvas->childrenRect().size();
this->resize(canvas->x() + size.width() + left_margin + 2*right_margin,
canvas->y() + size.height() + bottom_margin + 2*LayerButton::btnSize());
foreach (Graph *gr, graphsList)
gr->setIgnoreResizeEvents(ignoreResize);
}
emit modifiedPlot();
QApplication::restoreOverrideCursor();
}
void MultiLayer::setCols(int c)
{
if (d_cols != c)
d_cols = c;
}
void MultiLayer::setRows(int r)
{
if (d_rows != r)
d_rows = r;
}
QPixmap MultiLayer::canvasPixmap()
{
QPixmap pic(canvas->size());
pic.fill();
QPainter p(&pic);
foreach (Graph *g, graphsList){
Plot *plot = static_cast<Plot *>(g->plotWidget());
plot->print(&p, QRect(g->pos(), plot->size()));
}
p.end();
return pic;
}
void MultiLayer::exportToFile(const QString& fileName)
{
if ( fileName.isEmpty() ){
QMessageBox::critical(0, tr("MantidPlot - Error"), tr("Please provide a valid file name!"));
return;
}
if (fileName.contains(".eps") || fileName.contains(".pdf") || fileName.contains(".ps")){
exportVector(fileName);
return;
} else if(fileName.contains(".svg")){
exportSVG(fileName);
return;
} else {
QList<QByteArray> list = QImageWriter::supportedImageFormats();
for(int i=0 ; i<list.count() ; i++){
if (fileName.contains( "." + list[i].toLower())){
exportImage(fileName);
return;
}
}
QMessageBox::critical(this, tr("MantidPlot - Error"), tr("File format not handled, operation aborted!"));
}
}
void MultiLayer::exportImage(const QString& fileName, int quality, bool transparent)
{
QPixmap pic = canvasPixmap();
if (transparent)
{
QBitmap mask(pic.size());
mask.fill(Qt::color1);
QPainter p;
p.begin(&mask);
p.setPen(Qt::color0);
QColor background = QColor (Qt::white);
QRgb backgroundPixel = background.rgb ();
QImage image = pic.convertToImage();
for (int y=0; y<image.height(); y++)
{
for ( int x=0; x<image.width(); x++ )
{
QRgb rgb = image.pixel(x, y);
if (rgb == backgroundPixel) // we want the frame transparent
p.drawPoint( x, y );
}
}
p.end();
pic.setMask(mask);
}
pic.save(fileName, 0, quality);
}
void MultiLayer::exportPDF(const QString& fname)
{
exportVector(fname);
}
void MultiLayer::exportVector(const QString& fileName, int res, bool color, bool keepAspect, QPrinter::PageSize pageSize)
{
(void) res; //avoid compiler warning
if ( fileName.isEmpty() ){
QMessageBox::critical(this, tr("MantidPlot - Error"),
tr("Please provide a valid file name!"));
return;
}
QPrinter printer;
printer.setDocName (objectName());
printer.setCreator("MantidPlot");
printer.setFullPage(true);
printer.setOutputFileName(fileName);
if (fileName.contains(".eps"))
printer.setOutputFormat(QPrinter::PostScriptFormat);
//if (res) //only printing with screen resolution works correctly for the moment
//printer.setResolution(res);
QRect canvasRect = canvas->rect();
if (pageSize == QPrinter::Custom)
printer.setPageSize(Graph::minPageSize(printer, canvasRect));
else
printer.setPageSize(pageSize);
double canvas_aspect = double(canvasRect.width())/double(canvasRect.height());
if (canvas_aspect < 1)
printer.setOrientation(QPrinter::Portrait);
else
printer.setOrientation(QPrinter::Landscape);
if (color)
printer.setColorMode(QPrinter::Color);
else
printer.setColorMode(QPrinter::GrayScale);
double x_margin = 0, y_margin = 0, width = 0, height = 0;
if (keepAspect){// export should preserve plot aspect ratio
double page_aspect = double(printer.width())/double(printer.height());
if (page_aspect > canvas_aspect){
y_margin = (0.1/2.54)*printer.logicalDpiY(); // 1 mm margins
height = printer.height() - 2*y_margin;
width = height*canvas_aspect;
x_margin = 0.5*(printer.width() - width);
} else {
x_margin = (0.1/2.54)*printer.logicalDpiX(); // 1 mm margins
width = printer.width() - 2*x_margin;
height = width/canvas_aspect;
y_margin = 0.5*(printer.height() - height);
}
} else {
x_margin = (0.1/2.54)*printer.logicalDpiX(); // 1 mm margins
y_margin = (0.1/2.54)*printer.logicalDpiY(); // 1 mm margins
width = printer.width() - 2*x_margin;
height = printer.height() - 2*y_margin;
}
double scaleFactorX = width/(double)canvasRect.width();
double scaleFactorY = height/(double)canvasRect.height();
QPainter paint(&printer);
foreach (Graph *g, graphsList){
Plot *plot = static_cast<Plot *>(g->plotWidget());
QPoint pos = g->pos();
pos = QPoint(qRound(x_margin + pos.x()*scaleFactorX), qRound(y_margin + pos.y()*scaleFactorY));
int layer_width = qRound(plot->frameGeometry().width()*scaleFactorX);
int layer_height = qRound(plot->frameGeometry().height()*scaleFactorY);
plot->print(&paint, QRect(pos, QSize(layer_width, layer_height)));
}
}
void MultiLayer::exportSVG(const QString& fname)
{
QSvgGenerator generator;
generator.setFileName(fname);
generator.setSize(canvas->size());
QPainter p(&generator);
foreach (Graph *g, graphsList){
Plot *plot = static_cast<Plot *>(g->plotWidget());
plot->print(&p, QRect(g->pos(), plot->size()));
}
p.end();
}
void MultiLayer::copyAllLayers()
{
bool selectionOn = false;
if (d_layers_selector){
d_layers_selector->hide();
selectionOn = true;
}
foreach (QWidget* g, graphsList)
static_cast<Graph *>(g)->deselectMarker();
QPixmap pic = canvasPixmap();
QImage image = pic.convertToImage();
QApplication::clipboard()->setImage(image);
if (selectionOn)
d_layers_selector->show();
}
void MultiLayer::printActiveLayer()
{
if (active_graph){
active_graph->setScaleOnPrint(d_scale_on_print);
active_graph->printCropmarks(d_print_cropmarks);
active_graph->print();
}
}
void MultiLayer::print()
{
QPrinter printer;
printer.setColorMode (QPrinter::Color);
printer.setFullPage(true);
QRect canvasRect = canvas->rect();
double aspect = double(canvasRect.width())/double(canvasRect.height());
if (aspect < 1)
printer.setOrientation(QPrinter::Portrait);
else
printer.setOrientation(QPrinter::Landscape);
QPrintDialog printDialog(&printer);
if (printDialog.exec() == QDialog::Accepted)
{
QPainter paint(&printer);
printAllLayers(&paint);
paint.end();
}
}
void MultiLayer::printAllLayers(QPainter *painter)
{
if (!painter)
return;
QPrinter *printer = (QPrinter *)painter->device();
QRect paperRect = ((QPrinter *)painter->device())->paperRect();
QRect canvasRect = canvas->rect();
QRect pageRect = printer->pageRect();
QRect cr = canvasRect; // cropmarks rectangle
Qt::WindowStates qtstates=windowState();
if(qtstates==(Qt::WindowMaximized | Qt::WindowActive))
d_scale_on_print=true;
else if (qtstates==Qt::WindowActive)
d_scale_on_print=false;
if (d_scale_on_print)
{
int margin = (int)((1/2.54)*printer->logicalDpiY()); // 1 cm margins
double scaleFactorX=(double)(paperRect.width()-2*margin)/(double)canvasRect.width();
double scaleFactorY=(double)(paperRect.height()-2*margin)/(double)canvasRect.height();
if (d_print_cropmarks)
{
cr.moveTo(QPoint(margin + static_cast<int>(cr.x()*scaleFactorX),
margin + static_cast<int>(cr.y()*scaleFactorY)));
cr.setWidth(static_cast<int>(cr.width()*scaleFactorX));
cr.setHeight(static_cast<int>(cr.height()*scaleFactorX));
}
for (int i=0; i<(int)graphsList.count(); i++)
{
Graph *gr=static_cast<Graph *>(graphsList.at(i));
Plot *myPlot= gr->plotWidget();
QPoint pos=gr->pos();
pos=QPoint(margin + static_cast<int>(pos.x()*scaleFactorX), margin + static_cast<int>(pos.y()*scaleFactorY));
int width=static_cast<int>(myPlot->frameGeometry().width()*scaleFactorX);
int height=static_cast<int>(myPlot->frameGeometry().height()*scaleFactorY);
myPlot->print(painter, QRect(pos, QSize(width,height)));
}
}
else
{
int x_margin = (pageRect.width() - canvasRect.width())/2;
int y_margin = (pageRect.height() - canvasRect.height())/2;
if (d_print_cropmarks)
cr.moveTo(x_margin, y_margin);
int margin = (int)((1/2.54)*printer->logicalDpiY()); // 1 cm margins
double scaleFactorX=(double)(paperRect.width()-4*margin)/(double)canvasRect.width();
double scaleFactorY=(double)(paperRect.height()-4*margin)/(double)canvasRect.height();
for (int i=0; i<(int)graphsList.count(); i++)
{
Graph *gr = static_cast<Graph *>(graphsList.at(i));
Plot *myPlot = static_cast<Plot *>(gr->plotWidget());
QPoint pos = gr->pos();
pos = QPoint(margin + pos.x(), margin + pos.y());
QSize size= myPlot->size();
int width=int(size.width()*scaleFactorX);
int height=int(size.height()*scaleFactorY);
myPlot->print(painter, QRect(pos, QSize(width,height)));
}
}
if (d_print_cropmarks)
{
cr.addCoords(-1, -1, 2, 2);
painter->save();
painter->setPen(QPen(QColor(Qt::black), 0.5, Qt::DashLine));
painter->drawLine(paperRect.left(), cr.top(), paperRect.right(), cr.top());
painter->drawLine(paperRect.left(), cr.bottom(), paperRect.right(), cr.bottom());
painter->drawLine(cr.left(), paperRect.top(), cr.left(), paperRect.bottom());
painter->drawLine(cr.right(), paperRect.top(), cr.right(), paperRect.bottom());
painter->restore();
}
}
void MultiLayer::setFonts(const QFont& titleFnt, const QFont& scaleFnt,
const QFont& numbersFnt, const QFont& legendFnt)
{
for (int i=0;i<(int)graphsList.count();i++){
Graph *gr=static_cast<Graph *>(graphsList.at(i));
QwtPlot *plot=gr->plotWidget();
QwtText text = plot->title();
text.setFont(titleFnt);
plot->setTitle(text);
for (int j= 0;j<QwtPlot::axisCnt;j++){
plot->setAxisFont (j,numbersFnt);
text = plot->axisTitle(j );
text.setFont(scaleFnt);
plot->setAxisTitle(j, text);
}
QList <LegendWidget *> texts = gr->textsList();
foreach (LegendWidget *l, texts)
l->setFont(legendFnt);
plot->replot();
}
emit modifiedPlot();
}
void MultiLayer::connectLayer(Graph *g)
{
connect (g,SIGNAL(drawLineEnded(bool)), this, SIGNAL(drawLineEnded(bool)));
connect (g,SIGNAL(showPlotDialog(int)),this,SIGNAL(showPlotDialog(int)));
connect (g,SIGNAL(createTable(const QString&,int,int,const QString&)),
this,SIGNAL(createTable(const QString&,int,int,const QString&)));
connect (g,SIGNAL(viewLineDialog()),this,SIGNAL(showLineDialog()));
connect (g,SIGNAL(showContextMenu()),this,SIGNAL(showGraphContextMenu()));
connect (g,SIGNAL(showAxisDialog(int)),this,SIGNAL(showAxisDialog(int)));
connect (g,SIGNAL(axisDblClicked(int)),this,SIGNAL(showScaleDialog(int)));
connect (g,SIGNAL(showAxisTitleDialog()),this,SIGNAL(showAxisTitleDialog()));
connect (g,SIGNAL(showMarkerPopupMenu()),this,SIGNAL(showMarkerPopupMenu()));
connect (g,SIGNAL(showCurveContextMenu(int)),this,SIGNAL(showCurveContextMenu(int)));
connect (g,SIGNAL(cursorInfo(const QString&)),this,SIGNAL(cursorInfo(const QString&)));
connect (g,SIGNAL(viewImageDialog()),this,SIGNAL(showImageDialog()));
connect (g,SIGNAL(viewTitleDialog()),this,SIGNAL(viewTitleDialog()));