std::unique_ptr<GLContextGLX> GLContextGLX::createPbufferContext(PlatformDisplay& platformDisplay, GLXContext sharingContext)
{
static const int fbConfigAttributes[] = {
GLX_DRAWABLE_TYPE, GLX_PBUFFER_BIT,
GLX_RENDER_TYPE, GLX_RGBA_BIT,
GLX_RED_SIZE, 1,
GLX_GREEN_SIZE, 1,
GLX_BLUE_SIZE, 1,
GLX_ALPHA_SIZE, 1,
GLX_DOUBLEBUFFER, GL_FALSE,
0
};
int returnedElements;
Display* display = downcast<PlatformDisplayX11>(platformDisplay).native();
XUniquePtr<GLXFBConfig> configs(glXChooseFBConfig(display, 0, fbConfigAttributes, &returnedElements));
if (!returnedElements)
return nullptr;
// We will be rendering to a texture, so our pbuffer does not need to be large.
static const int pbufferAttributes[] = { GLX_PBUFFER_WIDTH, 1, GLX_PBUFFER_HEIGHT, 1, 0 };
XUniqueGLXPbuffer pbuffer(glXCreatePbuffer(display, configs.get()[0], pbufferAttributes));
if (!pbuffer)
return nullptr;
XUniqueGLXContext context(glXCreateNewContext(display, configs.get()[0], GLX_RGBA_TYPE, sharingContext, GL_TRUE));
if (!context)
return nullptr;
return std::unique_ptr<GLContextGLX>(new GLContextGLX(platformDisplay, WTFMove(context), WTFMove(pbuffer)));
}
int main_GLX(AppData& app_data)
{
::XInitThreads();
x11::Display display;
glx::Version version(display);
version.AssertAtLeast(1, 3);
static const int visual_attribs[] =
{
GLX_X_RENDERABLE , True,
GLX_DRAWABLE_TYPE , GLX_WINDOW_BIT|GLX_PBUFFER_BIT,
GLX_RENDER_TYPE , GLX_RGBA_BIT,
GLX_X_VISUAL_TYPE , GLX_TRUE_COLOR,
GLX_RED_SIZE , 8,
GLX_GREEN_SIZE , 8,
GLX_BLUE_SIZE , 8,
GLX_ALPHA_SIZE , 8,
GLX_DOUBLEBUFFER , True,
None
};
glx::FBConfig fbc = glx::FBConfigs(
display,
visual_attribs
).FindBest(display);
x11::VisualInfo vi(display, fbc);
glx::Context context(display, fbc, 3, 3);
if(app_data.render_offscreen)
{
const int pbuffer_attribs [] = {
GLX_PBUFFER_WIDTH , int(app_data.render_width),
GLX_PBUFFER_HEIGHT , int(app_data.render_height),
None
};
glx::Pbuffer pbuffer(display, fbc, pbuffer_attribs);
context.MakeCurrent(pbuffer);
GLAPIInitializer api_init;
call_drawable_loop(
app_data,
display,
context,
pbuffer,
pbuffer_loop
);
}
else
{
x11::Window window(
display,
vi,
x11::Colormap(display, vi),
"CloudTrace",
app_data.render_width,
app_data.render_height
);
context.MakeCurrent(window);
GLAPIInitializer api_init;
call_drawable_loop(
app_data,
display,
context,
window,
window_loop
);
}
context.Release(display);
return 0;
}
int main(int argc, char **argv)
{
#ifdef CONSOLE_APPLICATION
QApplication app(argc, argv, QApplication::Tty);
#else
QApplication app(argc, argv);
#endif
#ifdef DO_QWS_DEBUGGING
qt_show_painter_debug_output = false;
#endif
DeviceType type = WidgetType;
bool checkers_background = true;
QImage::Format imageFormat = QImage::Format_ARGB32_Premultiplied;
QLocale::setDefault(QLocale::c());
QStringList files;
bool interactive = false;
bool printdlg = false;
bool highres = false;
bool show_cmp = false;
int width = 800, height = 800;
bool verboseMode = false;
#ifndef QT_NO_OPENGL
QGLFormat f = QGLFormat::defaultFormat();
f.setSampleBuffers(true);
f.setStencil(true);
f.setAlpha(true);
f.setAlphaBufferSize(8);
QGLFormat::setDefaultFormat(f);
#endif
char *arg;
for (int i=1; i<argc; ++i) {
arg = argv[i];
if (*arg == '-') {
QString option = QString(arg + 1).toLower();
if (option == "widget")
type = WidgetType;
else if (option == "bitmap")
type = BitmapType;
else if (option == "pixmap")
type = PixmapType;
else if (option == "image")
type = ImageType;
else if (option == "imageformat") {
Q_ASSERT_X(i + 1 < argc, "main", "-imageformat must be followed by a value");
QString format = QString(argv[++i]).toLower();
imageFormat = QImage::Format_Invalid;
static const unsigned int formatCount =
sizeof(imageFormats) / sizeof(imageFormats[0]);
for (int ff = 0; ff < formatCount; ++ff) {
if (QLatin1String(imageFormats[ff].name) == format) {
imageFormat = imageFormats[ff].format;
break;
}
}
if (imageFormat == QImage::Format_Invalid) {
printf("Invalid image format. Available formats are:\n");
for (int ff = 0; ff < formatCount; ++ff)
printf("\t%s\n", imageFormats[ff].name);
return -1;
}
} else if (option == "imagemono")
type = ImageMonoType;
else if (option == "imagewidget")
type = ImageWidgetType;
#ifndef QT_NO_OPENGL
else if (option == "opengl")
type = OpenGLType;
else if (option == "pbuffer")
type = OpenGLPBufferType;
#endif
#ifdef USE_CUSTOM_DEVICE
else if (option == "customdevice")
type = CustomDeviceType;
else if (option == "customwidget")
type = CustomWidgetType;
#endif
else if (option == "pdf")
type = PdfType;
else if (option == "ps")
type = PsType;
else if (option == "picture")
type = PictureType;
else if (option == "printer")
type = PrinterType;
else if (option == "highres") {
type = PrinterType;
highres = true;
} else if (option == "printdialog") {
type = PrinterType;
printdlg = true;
}
else if (option == "grab")
type = GrabType;
else if (option == "i")
interactive = true;
else if (option == "v")
verboseMode = true;
else if (option == "commands") {
displayCommands();
return 0;
} else if (option == "w") {
Q_ASSERT_X(i + 1 < argc, "main", "-w must be followed by a value");
width = atoi(argv[++i]);
} else if (option == "h") {
Q_ASSERT_X(i + 1 < argc, "main", "-h must be followed by a value");
height = atoi(argv[++i]);
} else if (option == "cmp") {
show_cmp = true;
} else if (option == "bg-white") {
checkers_background = false;
}
} else {
#if defined (Q_WS_WIN)
QString input = QString::fromLocal8Bit(argv[i]);
if (input.indexOf('*') >= 0) {
QFileInfo info(input);
QDir dir = info.dir();
QFileInfoList infos = dir.entryInfoList(QStringList(info.fileName()));
for (int ii=0; ii<infos.size(); ++ii)
files.append(infos.at(ii).absoluteFilePath());
} else {
files.append(input);
}
#else
files.append(QString(argv[i]));
#endif
}
}
PaintCommands pcmd(QStringList(), 800, 800);
pcmd.setVerboseMode(verboseMode);
pcmd.setType(type);
pcmd.setCheckersBackground(checkers_background);
QWidget *activeWidget = 0;
if (interactive) {
runInteractive();
if (!files.isEmpty())
interactive_widget->load(files.at(0));
} else if (files.isEmpty()) {
printHelp();
return 0;
} else {
for (int j=0; j<files.size(); ++j) {
const QString &fileName = files.at(j);
QStringList content;
QFile file(fileName);
QFileInfo fileinfo(file);
if (file.open(QIODevice::ReadOnly)) {
QTextStream textFile(&file);
QString script = textFile.readAll();
content = script.split("\n", QString::SkipEmptyParts);
} else {
printf("failed to read file: '%s'\n", qPrintable(fileName));
continue;
}
pcmd.setContents(content);
if (show_cmp) {
QString pmFile = QString(files.at(j)).replace(".qps", "_qps") + ".png";
qDebug() << pmFile << QFileInfo(pmFile).exists();
QPixmap pixmap(pmFile);
if (!pixmap.isNull()) {
QLabel *label = createLabel();
label->setWindowTitle("VERIFY: " + pmFile);
label->setPixmap(pixmap);
label->show();
}
}
switch (type) {
case WidgetType:
{
OnScreenWidget<QWidget> *qWidget =
new OnScreenWidget<QWidget>;
qWidget->setVerboseMode(verboseMode);
qWidget->setType(type);
qWidget->setCheckersBackground(checkers_background);
qWidget->m_filename = files.at(j);
qWidget->setWindowTitle(fileinfo.filePath());
qWidget->m_commands = content;
qWidget->resize(width, height);
qWidget->show();
activeWidget = qWidget;
break;
}
case ImageWidgetType:
{
OnScreenWidget<QWidget> *qWidget = new OnScreenWidget<QWidget>;
qWidget->setVerboseMode(verboseMode);
qWidget->setType(type);
qWidget->setCheckersBackground(checkers_background);
qWidget->m_filename = files.at(j);
qWidget->setWindowTitle(fileinfo.filePath());
qWidget->m_commands = content;
qWidget->resize(width, height);
qWidget->show();
activeWidget = qWidget;
break;
}
#ifndef QT_NO_OPENGL
case OpenGLPBufferType:
{
QGLPixelBuffer pbuffer(QSize(width, height));
QPainter pt(&pbuffer);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
QImage image = pbuffer.toImage();
QLabel *label = createLabel();
label->setPixmap(QPixmap::fromImage(image));
label->resize(label->sizeHint());
label->show();
activeWidget = label;
break;
}
case OpenGLType:
{
OnScreenWidget<QGLWidget> *qGLWidget = new OnScreenWidget<QGLWidget>;
qGLWidget->setVerboseMode(verboseMode);
qGLWidget->setType(type);
qGLWidget->setCheckersBackground(checkers_background);
qGLWidget->m_filename = files.at(j);
qGLWidget->setWindowTitle(fileinfo.filePath());
qGLWidget->m_commands = content;
qGLWidget->resize(width, height);
qGLWidget->show();
activeWidget = qGLWidget;
break;
}
#else
case OpenGLType:
printf("OpenGL type not supported in this Qt build\n");
break;
#endif
#ifdef USE_CUSTOM_DEVICE
case CustomDeviceType:
{
CustomPaintDevice custom(width, height);
QPainter pt;
pt.begin(&custom);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
QImage *img = custom.image();
if (img) {
QLabel *label = createLabel();
label->setPixmap(QPixmap::fromImage(*img));
label->resize(label->sizeHint());
label->show();
activeWidget = label;
img->save("custom_output_pixmap.png", "PNG");
} else {
custom.save("custom_output_pixmap.png", "PNG");
}
break;
}
case CustomWidgetType:
{
OnScreenWidget<CustomWidget> *cWidget = new OnScreenWidget<CustomWidget>;
cWidget->setVerboseMode(verboseMode);
cWidget->setType(type);
cWidget->setCheckersBackground(checkers_background);
cWidget->m_filename = files.at(j);
cWidget->setWindowTitle(fileinfo.filePath());
cWidget->m_commands = content;
cWidget->resize(width, height);
cWidget->show();
activeWidget = cWidget;
break;
}
#endif
case PixmapType:
{
QPixmap pixmap(width, height);
pixmap.fill(Qt::white);
QPainter pt(&pixmap);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
pixmap.save("output_pixmap.png", "PNG");
break;
}
case BitmapType:
{
QBitmap bitmap(width, height);
QPainter pt(&bitmap);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
bitmap.save("output_bitmap.png", "PNG");
QLabel *label = createLabel();
label->setPixmap(bitmap);
label->resize(label->sizeHint());
label->show();
activeWidget = label;
break;
}
case ImageMonoType:
case ImageType:
{
qDebug() << "Creating image";
QImage image(width, height, type == ImageMonoType
? QImage::Format_MonoLSB
: imageFormat);
image.fill(0);
QPainter pt(&image);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
image.convertToFormat(QImage::Format_ARGB32).save("output_image.png", "PNG");
#ifndef CONSOLE_APPLICATION
QLabel *label = createLabel();
label->setPixmap(QPixmap::fromImage(image));
label->resize(label->sizeHint());
label->show();
activeWidget = label;
#endif
break;
}
case PictureType:
{
QPicture pic;
QPainter pt(&pic);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
QImage image(width, height, QImage::Format_ARGB32_Premultiplied);
image.fill(0);
pt.begin(&image);
pt.drawPicture(0, 0, pic);
pt.end();
QLabel *label = createLabel();
label->setWindowTitle(fileinfo.absolutePath());
label->setPixmap(QPixmap::fromImage(image));
label->resize(label->sizeHint());
label->show();
activeWidget = label;
break;
}
case PrinterType:
{
PaintCommands pcmd(QStringList(), 800, 800);
pcmd.setVerboseMode(verboseMode);
pcmd.setType(type);
pcmd.setCheckersBackground(checkers_background);
pcmd.setContents(content);
QString file = QString(files.at(j)).replace(".", "_") + ".ps";
QPrinter p(highres ? QPrinter::HighResolution : QPrinter::ScreenResolution);
if (printdlg) {
QPrintDialog printDialog(&p, 0);
if (printDialog.exec() != QDialog::Accepted)
break;
} else {
p.setOutputFileName(file);
}
QPainter pt(&p);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
if (!printdlg) {
printf("wrote file: %s\n", qPrintable(file));
}
Q_ASSERT(!p.paintingActive());
break;
}
case PsType:
case PdfType:
{
PaintCommands pcmd(QStringList(), 800, 800);
pcmd.setVerboseMode(verboseMode);
pcmd.setType(type);
pcmd.setCheckersBackground(checkers_background);
pcmd.setContents(content);
bool ps = type == PsType;
QPrinter p(highres ? QPrinter::HighResolution : QPrinter::ScreenResolution);
QFileInfo input(files.at(j));
QString file = QString("%1_%2.%3")
.arg(input.baseName())
.arg(input.suffix())
.arg(ps ? "ps" : "pdf");
p.setOutputFormat(ps ? QPrinter::PdfFormat : QPrinter::PostScriptFormat);
p.setOutputFileName(file);
p.setPageSize(QPrinter::A4);
QPainter pt(&p);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
printf("write file: %s\n", qPrintable(file));
break;
}
case GrabType:
{
QImage image(width, height, QImage::Format_ARGB32_Premultiplied);
image.fill(QColor(Qt::white).rgb());
QPainter pt(&image);
pcmd.setPainter(&pt);
pcmd.setFilePath(fileinfo.absolutePath());
pcmd.runCommands();
pt.end();
QImage image1(width, height, QImage::Format_RGB32);
image1.fill(QColor(Qt::white).rgb());
QPainter pt1(&image1);
pt1.drawImage(QPointF(0, 0), image);
pt1.end();
QString filename = QString(files.at(j)).replace(".qps", "_qps") + ".png";
image1.save(filename, "PNG");
printf("%s grabbed to %s\n", qPrintable(files.at(j)), qPrintable(filename));
break;
}
default:
break;
}
}
}
#ifndef CONSOLE_APPLICATION
if (activeWidget || interactive) {
QObject::connect(&app, SIGNAL(lastWindowClosed()), &app, SLOT(quit()));
app.exec();
}
delete activeWidget;
#endif
return 0;
}
