Vendor things

third-party/vendor/ttf-parser/testing-tools/font-view/mainwindow.cpp

@@ -0,0 +1,162 @@
+#include <QElapsedTimer>
+#include <QSlider>
+#include <QTimer>
+#include <QMessageBox>
+#include <QDebug>
+
+#include "mainwindow.h"
+#include "ui_mainwindow.h"
+
+MainWindow::MainWindow(QWidget *parent)
+    : QMainWindow(parent)
+    , ui(new Ui::MainWindow)
+{
+    ui->setupUi(this);
+
+#ifndef WITH_FREETYPE
+    ui->chBoxDrawFreeType->hide();
+#endif
+
+#ifndef WITH_HARFBUZZ
+    ui->chBoxDrawHarfBuzz->hide();
+#endif
+
+    if (qApp->arguments().size() == 2) {
+        QTimer::singleShot(1, this, [this](){
+            loadFont(qApp->arguments().at(1));
+        });
+    }
+}
+
+MainWindow::~MainWindow()
+{
+    delete ui;
+}
+
+void MainWindow::loadFont(const QString &path)
+{
+    try {
+        m_ttfpFont.open(path);
+
+        const auto variations = m_ttfpFont.loadVariations();
+        if (!variations.isEmpty()) {
+            ui->widgetVariations->show();
+
+            // Clear layout.
+            while (ui->layVariations->count()) {
+                delete ui->layVariations->takeAt(0);
+            }
+
+            m_variationSliders.clear();
+
+            QVector<Variation> newVariations;
+
+            for (const auto &var : variations) {
+                auto hlay = new QHBoxLayout();
+                hlay->setContentsMargins(0, 0, 0, 0);
+                hlay->addWidget(new QLabel(var.name));
+
+                auto slider = new QSlider(Qt::Horizontal);
+                slider->setMinimum(var.min);
+                slider->setMaximum(var.max);
+                slider->setValue(var.def);
+                hlay->addWidget(slider);
+                ui->layVariations->addLayout(hlay);
+
+                m_variationSliders.append({ slider, var.tag });
+
+                connect(slider, &QSlider::valueChanged, this, &MainWindow::onVariationChanged);
+
+                newVariations.append({ var.tag, var.def });
+            }
+
+            m_ttfpFont.setVariations(newVariations);
+        } else {
+            ui->widgetVariations->hide();
+        }
+
+#ifdef WITH_FREETYPE
+        m_ftFont.open(path);
+#endif
+
+#ifdef WITH_HARFBUZZ
+        m_hbFont.open(path);
+#endif
+
+        ui->glyphsView->setFontInfo(m_ttfpFont.fontInfo());
+        reloadGlyphs();
+    } catch (const QString &err) {
+        QMessageBox::warning(this, tr("Error"), err);
+    }
+}
+
+void MainWindow::reloadGlyphs()
+{
+    const auto fi = m_ttfpFont.fontInfo();
+    for (quint16 i = 0; i < fi.numberOfGlyphs; ++i) {
+        try {
+            ui->glyphsView->setGlyph(i, m_ttfpFont.outline(i));
+        } catch (...) {
+        }
+
+#ifdef WITH_FREETYPE
+        try {
+            ui->glyphsView->setFTGlyph(i, m_ftFont.outline(i));
+        } catch (...) {
+        }
+#endif
+
+#ifdef WITH_HARFBUZZ
+        try {
+            ui->glyphsView->setHBGlyph(i, m_hbFont.outline(i));
+        } catch (...) {
+        }
+#endif
+    }
+
+    ui->glyphsView->viewport()->update();
+}
+
+void MainWindow::onVariationChanged()
+{
+    try {
+        QVector<Variation> variations;
+
+        for (auto var : m_variationSliders) {
+            variations.append({ var.tag, var.slider->value() });
+        }
+
+#ifdef WITH_FREETYPE
+        m_ftFont.setVariations(variations);
+#endif
+
+#ifdef WITH_HARFBUZZ
+        m_hbFont.setVariations(variations);
+#endif
+        m_ttfpFont.setVariations(variations);
+
+        reloadGlyphs();
+    } catch (const QString &err) {
+        QMessageBox::warning(this, tr("Error"), err);
+    }
+}
+
+void MainWindow::on_chBoxDrawBboxes_stateChanged(int flag)
+{
+    ui->glyphsView->setDrawBboxes(flag);
+}
+
+void MainWindow::on_chBoxDrawTtfParser_stateChanged(int flag)
+{
+    ui->glyphsView->setDrawGlyphs(flag);
+}
+
+void MainWindow::on_chBoxDrawFreeType_stateChanged(int flag)
+{
+    ui->glyphsView->setDrawFTGlyphs(flag);
+}
+
+void MainWindow::on_chBoxDrawHarfBuzz_stateChanged(int flag)
+{
+    ui->glyphsView->setDrawHBGlyphs(flag);
+}