leocad/qt/lc_renderdialog.cpp
2019-09-14 12:05:30 -07:00

373 lines
8.5 KiB
C++

#include "lc_global.h"
#include "lc_renderdialog.h"
#include "ui_lc_renderdialog.h"
#include "project.h"
#include "lc_application.h"
#include "lc_profile.h"
#define LC_POVRAY_PREVIEW_WIDTH 768
#define LC_POVRAY_PREVIEW_HEIGHT 432
#if defined(Q_OS_WIN) || defined(Q_OS_MACOS)
#define LC_POVRAY_MEMORY_MAPPED_FILE 1
#endif
void lcRenderPreviewWidget::resizeEvent(QResizeEvent* Event)
{
mScaledImage = QImage();
QWidget::resizeEvent(Event);
}
void lcRenderPreviewWidget::paintEvent(QPaintEvent* PaintEvent)
{
Q_UNUSED(PaintEvent);
QPainter Painter(this);
if (!mImage.isNull())
{
QSize Size = size();
if (mScaledImage.isNull())
mScaledImage = mImage.scaled(Size, Qt::KeepAspectRatio, Qt::SmoothTransformation);
Painter.drawImage((Size.width() - mScaledImage.width()) / 2, (Size.height() - mScaledImage.height()) / 2, mScaledImage);
}
else
Painter.fillRect(rect(), Qt::white);
}
lcRenderDialog::lcRenderDialog(QWidget* Parent)
: QDialog(Parent),
ui(new Ui::lcRenderDialog)
{
#ifndef QT_NO_PROCESS
mProcess = nullptr;
#endif
mOutputBuffer = nullptr;
ui->setupUi(this);
ui->WidthEdit->setText(QString::number(lcGetProfileInt(LC_PROFILE_POVRAY_WIDTH)));
ui->WidthEdit->setValidator(new QIntValidator(16, INT_MAX));
ui->HeightEdit->setText(QString::number(lcGetProfileInt(LC_PROFILE_POVRAY_HEIGHT)));
ui->HeightEdit->setValidator(new QIntValidator(16, INT_MAX));
ui->OutputEdit->setText(lcGetActiveProject()->GetImageFileName(false));
QImage Image(LC_POVRAY_PREVIEW_WIDTH, LC_POVRAY_PREVIEW_HEIGHT, QImage::Format_RGB32);
Image.fill(QColor(255, 255, 255));
ui->preview->SetImage(Image);
connect(&mUpdateTimer, SIGNAL(timeout()), this, SLOT(Update()));
mUpdateTimer.start(500);
}
lcRenderDialog::~lcRenderDialog()
{
delete ui;
}
QString lcRenderDialog::GetOutputFileName() const
{
return QDir(QDir::tempPath()).absoluteFilePath("leocad-render.out");
}
QString lcRenderDialog::GetPOVFileName() const
{
return QDir(QDir::tempPath()).absoluteFilePath("leocad-render.pov");
}
void lcRenderDialog::CloseProcess()
{
#ifndef QT_NO_PROCESS
delete mProcess;
mProcess = nullptr;
#endif
#if LC_POVRAY_MEMORY_MAPPED_FILE
mOutputFile.unmap((uchar*)mOutputBuffer);
mOutputBuffer = nullptr;
mOutputFile.close();
QFile::remove(GetOutputFileName());
#endif
QFile::remove(GetPOVFileName());
ui->RenderButton->setText(tr("Render"));
}
bool lcRenderDialog::PromptCancel()
{
#ifndef QT_NO_PROCESS
if (mProcess)
{
if (QMessageBox::question(this, tr("Cancel Render"), tr("Are you sure you want to cancel the current render?"), QMessageBox::Yes | QMessageBox::No) == QMessageBox::Yes)
{
if (mProcess)
{
mProcess->kill();
CloseProcess();
}
}
else
return false;
}
#endif
return true;
}
void lcRenderDialog::reject()
{
if (PromptCancel())
QDialog::reject();
}
void lcRenderDialog::on_RenderButton_clicked()
{
#ifndef QT_NO_PROCESS
if (mProcess)
{
PromptCancel();
return;
}
QString FileName = GetPOVFileName();
if (!lcGetActiveProject()->ExportPOVRay(FileName))
return;
QStringList Arguments;
Arguments.append(QString::fromLatin1("+I\"%1\"").arg(FileName));
Arguments.append(QString::fromLatin1("+W%1").arg(ui->WidthEdit->text()));
Arguments.append(QString::fromLatin1("+H%1").arg(ui->HeightEdit->text()));
Arguments.append("-O-");
#if LC_POVRAY_MEMORY_MAPPED_FILE
Arguments.append(QString::fromLatin1("+SM\"%1\"").arg(GetOutputFileName()));
#endif
int Quality = ui->QualityComboBox->currentIndex();
switch (Quality)
{
case 0:
Arguments.append("+Q11");
Arguments.append("+R3");
Arguments.append("+A0.1");
Arguments.append("+J0.5");
break;
case 1:
Arguments.append("+Q5");
Arguments.append("+A0.1");
break;
case 2:
break;
}
/*
if (!LGEOPath.isEmpty())
{
Arguments.append(QString::fromLatin1("+L%1lg/").arg(LGEOPath));
Arguments.append(QString::fromLatin1("+L%1ar/").arg(LGEOPath));
}
*/
QString POVRayPath;
#ifdef Q_OS_WIN
POVRayPath = QDir::cleanPath(QCoreApplication::applicationDirPath() + QLatin1String("/povconsole32-sse2.exe"));
#endif
#ifdef Q_OS_LINUX
POVRayPath = lcGetProfileString(LC_PROFILE_POVRAY_PATH);
Arguments.append("+FN");
Arguments.append("-D");
#endif
#ifdef Q_OS_MACOS
POVRayPath = QDir::cleanPath(QCoreApplication::applicationDirPath() + QLatin1String("/povray"));
#endif
mProcess = new QProcess(this);
#ifdef Q_OS_LINUX
connect(mProcess, SIGNAL(readyReadStandardError()), this, SLOT(ReadStdErr()));
#endif
mProcess->start(POVRayPath, Arguments);
mImage = QImage(ui->WidthEdit->text().toInt(), ui->HeightEdit->text().toInt(), QImage::Format_ARGB32);
mImage.fill(QColor(255, 255, 255));
ui->preview->SetImage(mImage);
if (mProcess->waitForStarted())
{
ui->RenderButton->setText(tr("Cancel"));
ui->RenderProgress->setValue(ui->RenderProgress->minimum());
mStdErrList.clear();
}
else
{
QMessageBox::warning(this, tr("Error"), tr("Error starting POV-Ray."));
CloseProcess();
}
#endif
}
void lcRenderDialog::ReadStdErr()
{
QString StdErr = QString(mProcess->readAllStandardError());
mStdErrList.append(StdErr);
#ifdef Q_OS_LINUX
QRegExp RegexPovRayProgress("Rendered (\\d+) of (\\d+) pixels.*");
RegexPovRayProgress.setCaseSensitivity(Qt::CaseInsensitive);
if (RegexPovRayProgress.indexIn(StdErr) == 0)
{
ui->RenderProgress->setMaximum(RegexPovRayProgress.cap(2).toInt());
ui->RenderProgress->setValue(RegexPovRayProgress.cap(1).toInt());
}
#endif
}
void lcRenderDialog::Update()
{
#ifndef QT_NO_PROCESS
if (!mProcess)
return;
if (mProcess->state() == QProcess::NotRunning)
{
#ifdef Q_OS_LINUX
QByteArray Output = mProcess->readAllStandardOutput();
mImage = QImage::fromData(Output);
#endif
ShowResult();
CloseProcess();
}
#endif
#if LC_POVRAY_MEMORY_MAPPED_FILE
if (!mOutputBuffer)
{
mOutputFile.setFileName(GetOutputFileName());
if (!mOutputFile.open(QFile::ReadWrite))
return;
mOutputBuffer = mOutputFile.map(0, mOutputFile.size());
if (!mOutputBuffer)
{
mOutputFile.close();
return;
}
}
struct lcSharedMemoryHeader
{
quint32 Version;
quint32 Width;
quint32 Height;
quint32 PixelsWritten;
quint32 PixelsRead;
};
lcSharedMemoryHeader* Header = (lcSharedMemoryHeader*)mOutputBuffer;
if (Header->PixelsWritten == Header->PixelsRead)
return;
int Width = Header->Width;
int Height = Header->Height;
int PixelsWritten = Header->PixelsWritten;
quint8* Pixels = (quint8*)(Header + 1);
for (int y = 0; y < Height; y++)
{
for (int x = 0; x < Width; x++)
{
mImage.setPixel(x, y, qRgba(Pixels[0], Pixels[1], Pixels[2], Pixels[3]));
Pixels += 4;
}
}
Header->PixelsRead = PixelsWritten;
ui->RenderProgress->setMaximum(mImage.width() * mImage.height());
ui->RenderProgress->setValue(int(Header->PixelsRead));
ui->preview->SetImage(mImage);
#endif
}
void lcRenderDialog::ShowResult()
{
ReadStdErr();
ui->RenderProgress->setValue(ui->RenderProgress->maximum());
bool Error = (mProcess->exitStatus() != QProcess::NormalExit || mProcess->exitCode() != 0);
if (Error)
{
WriteStdLog(Error);
QMessageBox MessageBox;
MessageBox.setWindowTitle(tr("Error"));
MessageBox.setIcon(QMessageBox::Information);
MessageBox.setText(tr("An error occurred while rendering. Check details or try again."));
MessageBox.setDetailedText(mStdErrList.join(QString()));
MessageBox.exec();
return;
}
ui->preview->SetImage(mImage);
QString FileName = ui->OutputEdit->text();
if (!FileName.isEmpty())
{
QImageWriter Writer(FileName);
bool Result = Writer.write(mImage);
if (!Result)
QMessageBox::information(this, tr("Error"), tr("Error writing to file '%1':\n%2").arg(FileName, Writer.errorString()));
}
WriteStdLog();
}
void lcRenderDialog::WriteStdLog(bool Error)
{
QString FileName = lcGetActiveProject()->GetFileName();
if (FileName.isEmpty())
return;
QFile LogFile(QDir::toNativeSeparators(QFileInfo(FileName).absolutePath() + "/" +
(Error ? "stderr-povrayrender" : "stdout-povrayrender")));
if (LogFile.open(QFile::WriteOnly | QIODevice::Truncate | QFile::Text))
{
QTextStream Out(&LogFile);
for (const QString& Line : mStdErrList)
Out << Line;
LogFile.close();
}
else
{
QMessageBox::information(this, tr("Error"), tr("Error writing to %1 file '%2':\n%3")
.arg(Error ? "stderr" : "stdout").arg(LogFile.fileName(), LogFile.errorString()));
}
}
void lcRenderDialog::on_OutputBrowseButton_clicked()
{
QString Result = QFileDialog::getSaveFileName(this, tr("Select Output File"), ui->OutputEdit->text(), tr("Supported Image Files (*.bmp *.png *.jpg);;BMP Files (*.bmp);;PNG Files (*.png);;JPEG Files (*.jpg);;All Files (*.*)"));
if (!Result.isEmpty())
ui->OutputEdit->setText(QDir::toNativeSeparators(Result));
}