JKQtPlotter/examples/libexampletools/jkqtpexampleapplication.cpp

238 lines
9.6 KiB
C++

#include "jkqtpexampleapplication.h"
#include <QElapsedTimer>
#include <QCommandLineParser>
#include <QCommandLineOption>
#include <QWindow>
#include <QWidget>
#include "jkqtplotter/jkqtplotter.h"
JKQTPExampleApplication::JKQTPExampleApplication(int &argc, char **argv, bool _waitForScreenshotReady):
QApplication(argc, argv),
waitForScreenshotReady(_waitForScreenshotReady),
readyForScreenshot(!_waitForScreenshotReady),
saveScreenshot(false),
saveSmallScreenshot(false),
saveScreenshotPlot(false),
saveSmallScreenshotPlot(false),
scaleDownFromHighDPI(false),
iterateFunctorSteps(false),
iterateFunctorStepsSupressInitial(false),
screenshotBasename("screenshot")
{
screenshotDir=QDir::current();
//for (int i=0; i<argc; i++) std::cout<<" argv["<<i<<"]="<<argv[i]<<"\n";
}
JKQTPExampleApplication::~JKQTPExampleApplication()
{
}
void JKQTPExampleApplication::addExportStepFunctor(const std::function<void ()> &f)
{
functors<<f;
}
void JKQTPExampleApplication::readCmdLine() {
QCommandLineParser parser;
parser.setApplicationDescription(QString("JKQTPlotter example program '%1'").arg(applicationName()));
parser.addHelpOption();
parser.addVersionOption();
QCommandLineOption outputDirectoryOption("screenshotdir", "write results into this directory.", "outputdir", applicationDirPath());
parser.addOption(outputDirectoryOption);
QCommandLineOption basenameOption("screenshotbasename", "basename for screenshots.", "basename", QFileInfo(applicationFilePath()).baseName());
parser.addOption(basenameOption);
QCommandLineOption screenshotOption(QStringList()<<"screenshot", "save screenshot(s) of the window(s).");
parser.addOption(screenshotOption);
QCommandLineOption smallscreenshotOption(QStringList()<<"smallscreenshot", "save small screenshot(s) of the window(s).");
parser.addOption(smallscreenshotOption);
QCommandLineOption screenshotPlotOption(QStringList()<<"screenshotplot", "save screenshot(s) of the plot(s).");
parser.addOption(screenshotPlotOption);
QCommandLineOption smallscreenshotPlotOption(QStringList()<<"smallscreenshotplot", "save screenshot(s) of the plot(s).");
parser.addOption(smallscreenshotPlotOption);
QCommandLineOption scaleDownFromHighDPIOption(QStringList()<<"scalescreenshotdownfromhighdpi", "if on high-dpi device, rescale to standard size.");
parser.addOption(scaleDownFromHighDPIOption);
QCommandLineOption disablehighdpiOption(QStringList()<<"disablehighdpi", "idisable high-dpi support.");
parser.addOption(disablehighdpiOption);
QCommandLineOption iterateFunctorStepsOption(QStringList()<<"iteratefunctorsteps", "iterate over steps defined by addExportStepFunctor() in code.");
parser.addOption(iterateFunctorStepsOption);
QCommandLineOption iterateFunctorStepsSupressInitialOption(QStringList()<<"iteratefunctorsteps_suppressinitial", "iterate over steps defined by addExportStepFunctor() in code.");
parser.addOption(iterateFunctorStepsSupressInitialOption);
parser.process(*this);
screenshotDir=QDir(parser.value(outputDirectoryOption));
screenshotBasename=parser.value(basenameOption).split(',');
saveScreenshot = parser.isSet(screenshotOption);
saveSmallScreenshot = parser.isSet(smallscreenshotOption);
saveScreenshotPlot = parser.isSet(screenshotPlotOption);
saveSmallScreenshotPlot = parser.isSet(smallscreenshotPlotOption);
scaleDownFromHighDPI = parser.isSet(scaleDownFromHighDPIOption);
iterateFunctorSteps = parser.isSet(iterateFunctorStepsOption);
iterateFunctorStepsSupressInitial = parser.isSet(iterateFunctorStepsSupressInitialOption);
}
QRect JKQTPExampleApplication::getBoundsWithoutColor(QImage qImage, const QColor &exclusionColor)
{
QRect ofTheKing;
int maxX = 0; int minX = qImage.width();
int maxY = 0; int minY = qImage.height();
for(int x=0; x < qImage.width(); x++)
for(int y=0; y < qImage.height(); y++)
if (QColor::fromRgb(qImage.pixel(x, y)) != exclusionColor)
{
if(x < minX) minX = x;
if(x > maxX) maxX = x;
if(y < minY) minY = y;
if(y > maxY) maxY = y;
}
if (minX > maxX || minY > maxY)
ofTheKing=QRect();
else
ofTheKing.setCoords(minX, minY, maxX+1, maxY+1);
return ofTheKing;
}
int JKQTPExampleApplication::exec()
{
readCmdLine();
QList<JKQTPlotter*> plotterList;
auto checkPlottersResizeDone=[plotterList]() {
if (plotterList.isEmpty()) return true;
for (JKQTPlotter* p: plotterList) {
if (p->isResizeTimerRunning()) return false;
}
return true;
};
for (QWidget* w: allWidgets()) {
JKQTPlotter* plot=dynamic_cast<JKQTPlotter*>(w);
if (plot) plotterList<<plot;
}
QWidgetList widgets=topLevelWidgets();
std::sort(widgets.begin(), widgets.end(), [](const QWidget* a, const QWidget* b) {
if (a && b) return a->windowTitle().toLower()<b->windowTitle().toLower();
if (a) return true;
if (b) return false;
return a<b;
});
auto saveWidget=[&](QWidget* w, int iVisible) {
JKQTPlotter* plot=dynamic_cast<JKQTPlotter*>(w);
QString bn=screenshotBasename.value(iVisible, screenshotBasename.value(0));
if (iVisible>0 && screenshotBasename.value(iVisible, "")=="") {
bn+=QString("_win%1").arg(iVisible, 2, 10, QLatin1Char('0'));
}
if (w) {
QPixmap pix_win=w->grab();
/*QPixmap pix;
if (screenshotIncludeWindowTitle) {
pix=w->screen()->grabWindow(0, w->frameGeometry().x(), w->frameGeometry().y(), w->frameGeometry().width(), w->frameGeometry().height());
} else {
pix=pix_win;
}*/
if (saveScreenshot || (saveScreenshotPlot&&!plot)) {
if (scaleDownFromHighDPI && pix_win.devicePixelRatio()>1.0) {
pix_win.scaled((QSizeF(pix_win.size())/pix_win.devicePixelRatio()).toSize()).save(screenshotDir.absoluteFilePath(bn+".png"));
} else {
pix_win.save(screenshotDir.absoluteFilePath(bn+".png"));
}
}
if (saveSmallScreenshot || (saveSmallScreenshotPlot&&!plot)) {
QPixmap img=pix_win.scaledToWidth(150, Qt::SmoothTransformation);
img.save(screenshotDir.absoluteFilePath(bn+"_small.png"));
}
}
if (plot) {
QString bnp=bn+"_plot";
QImage gr=plot->grabPixelImage();
if (saveScreenshotPlot) {
QString fn=bn+".png";
if (saveScreenshot) fn=bnp+".png";
if (scaleDownFromHighDPI && gr.devicePixelRatio()>1.0) {
gr.scaled((QSizeF(gr.size())/gr.devicePixelRatio()).toSize()).save(screenshotDir.absoluteFilePath(fn));
} else {
gr.save(screenshotDir.absoluteFilePath(fn));
}
}
if (saveSmallScreenshotPlot) {
QString fn=bn+"_small.png";
if (saveSmallScreenshot) fn=bnp+"_small.png";
QImage img=gr.scaledToWidth(150, Qt::SmoothTransformation);
img.save(screenshotDir.absoluteFilePath(fn));
}
}
};
if (iterateFunctorSteps) {
QVector<std::function<void(void)>> localfunctors=functors;
if (!iterateFunctorStepsSupressInitial) localfunctors.prepend([](){});
int iVisible=0;
//std::cout<<localfunctors.size()<<" functors\n";
for (auto& f: localfunctors) {
//std::cout<<"iVisible="<<iVisible<<" f="<<std::boolalpha<<static_cast<bool>(f)<<"\n";
if (f) f();
//JKQTPlotter::setGlobalResizeDelay(10);
QElapsedTimer timer;
timer.start();
while(timer.elapsed()<JKQTPlotter::getGlobalResizeDelay()*3/2 || !readyForScreenshot || !checkPlottersResizeDone()) {
QApplication::processEvents();
QApplication::processEvents();
}
timer.start();
while(timer.elapsed()<50) {
QApplication::processEvents();
QApplication::processEvents();
}
for (int i=0; i<widgets.size(); i++) {
QWidget* w=widgets[i];
if (w->isVisible()) {
saveWidget(w, iVisible);
}
}
iVisible++;
}
return 0;
} else if (saveScreenshot||saveSmallScreenshot||saveScreenshotPlot||saveSmallScreenshotPlot) {
//std::cout<<"non-functor-mode\n";
//JKQTPlotter::setGlobalResizeDelay(10);
QElapsedTimer timer;
timer.start();
while(timer.elapsed()<JKQTPlotter::getGlobalResizeDelay()*3/2 || !readyForScreenshot || !checkPlottersResizeDone()) {
QApplication::processEvents();
QApplication::processEvents();
}
timer.start();
while(timer.elapsed()<50) {
QApplication::processEvents();
QApplication::processEvents();
}
int iVisible=0;
for (int i=0; i<widgets.size(); i++) {
QWidget* w=widgets[i];
if (w->isVisible()) {
saveWidget(w, iVisible);
iVisible++;
}
}
return 0;
} else {
return QApplication::exec();
}
}
void JKQTPExampleApplication::notifyReadyForScreenshot()
{
readyForScreenshot=true;
}