MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent), mGraphicsScene(0), mFontPath("fonts/"),
mFreeTypeInitialized(false), mRendering(false),
mLibrary(0), mFace(0), mResourceFace(0), mRawGlyphString(0),
mShapedGlyphString(0), mRawVisualizer(0), mShapedVisualizer(0),
mShapedRenderer(0), ui(new Ui::MainWindow)
{
ui->setupUi(this);
setWindowTitle("BidiRenderer");
statusBar();
loadSamples();
ui->fontPathLE->setText(mFontPath);
listFonts();
ui->levelsColorPickerLabel->setColor(Qt::blue);
mFontSize = ui->fontSizeSB->value();
mPenWidth = ui->penWidthSB->value();
ui->lineWidthSlider->setRange(mFontSize * 4, mFontSize * 40);
ui->lineWidthSlider->setValue(mFontSize * 40);
if (FT_Init_FreeType(&mLibrary)) {
statusBar()->showMessage("Error initializing FreeType", messageTimeout);
return;
}
mFreeTypeInitialized = true;
QFile fontFile(":/files/fonts/DejaVuSans.ttf");
if (fontFile.open(QIODevice::ReadOnly))
mResourceFaceData = fontFile.readAll();
if (FT_New_Memory_Face(mLibrary,
reinterpret_cast<const FT_Byte*>(mResourceFaceData.constData()),
fontFile.size(), 0, &mResourceFace))
{
statusBar()->showMessage("Error loading DejaVuSans.ttf", messageTimeout);
}
else
{
if (FT_Set_Pixel_Sizes(mResourceFace, 0, mFontSize)) {
statusBar()->showMessage("Error setting font pixel size", messageTimeout);
FT_Done_Face(mResourceFace);
mResourceFace = 0;
} else {
mFace = mResourceFace;
}
}
mGraphicsScene = new QGraphicsScene(this);
ui->graphicsView->setScene(mGraphicsScene);
connect(ui->actionE_xit, SIGNAL(triggered()), this, SLOT(close()));
connect(ui->action_Panel, SIGNAL(toggled(bool)),
ui->dockWidget, SLOT(setVisible(bool)));
connect(ui->dockWidget, SIGNAL(visibilityChanged(bool)),
ui->action_Panel, SLOT(setChecked(bool)));
connect(ui->textCombo->lineEdit(), SIGNAL(returnPressed()),
ui->renderButton, SLOT(animateClick()));
connect(ui->renderButton, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->rtlRB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->ltrRB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->autoRB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->resolveScriptsCB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->breakRunsCB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->linesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->levelsCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->runsCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->codePointsCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->glyphIndicesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->charTypesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->scriptsCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->geometriesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->indicesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->reorderedIndicesCB, SIGNAL(clicked()), this, SLOT(setVisualizerFlags()));
connect(ui->paragraphCB, SIGNAL(clicked()), this, SLOT(setRendererFlags()));
connect(ui->levelsGB, SIGNAL(clicked()), this, SLOT(setRendererFlags()));
connect(ui->runsGB, SIGNAL(clicked()), this, SLOT(setRendererFlags()));
connect(ui->levelsColorPickerLabel, SIGNAL(colorChanged(QColor)),
this, SLOT(setRendererLevelColor(QColor)));
connect(ui->runsColorPickerLabel, SIGNAL(colorChanged(QColor)),
this, SLOT(setRendererRunColor(QColor)));
connect(ui->shapeHarfBuzzRB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->shapeFriBidiRB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->removeZeroWidthCB, SIGNAL(clicked()), this, SLOT(render()));
connect(ui->shapeFriBidiRB, SIGNAL(toggled(bool)),
ui->removeZeroWidthCB, SLOT(setEnabled(bool)));
connect(ui->fontPathButton, SIGNAL(clicked()), this, SLOT(setFontPath()));
connect(ui->fontsCombo, SIGNAL(currentIndexChanged(QString)),
this, SLOT(setFontFile(QString)));
connect(ui->zoomSlider, SIGNAL(valueChanged(int)),
ui->graphicsView, SLOT(setScale(int)));
connect(ui->graphicsView, SIGNAL(scaleChanged(int)),
ui->zoomSlider, SLOT(setValue(int)));
connect(ui->lineWidthSlider, SIGNAL(valueChanged(int)),
this, SLOT(setMaxLineWidth(int)));
connect(ui->fontSizeSB, SIGNAL(valueChanged(int)),
this, SLOT(setFontSize(int)));
connect(ui->fontColorPickerLabel, SIGNAL(colorChanged(QColor)),
this, SLOT(render()));
connect(ui->penWidthSB, SIGNAL(valueChanged(int)),
this, SLOT(setPenWidth(int)));
}
void LabelTTF::setSystemFontName(const std::string& systemFont)
{
setFontFile(systemFont);
}
