Add support for importing symbols from fonts as a spritesheet

CMakeLists.txt

@@ -32,6 +32,7 @@ set(PROJECT_SOURCES
         source/d1formats/d1til.cpp
         source/d1formats/d1trn.cpp
         source/dialogs/exportdialog.cpp
+        source/dialogs/importdialog.cpp
         source/views/view.cpp
         source/views/levelcelview.cpp
         source/widgets/leveltabframewidget.cpp

source/dialogs/importdialog.cpp

@@ -0,0 +1,117 @@
+#include "importdialog.h"
+
+#include <QColorDialog>
+#include <QFileDialog>
+#include <QFontDatabase>
+#include <QImageWriter>
+#include <QMessageBox>
+#include <QPainter>
+#include <algorithm>
+
+#include "mainwindow.h"
+#include "ui_importdialog.h"
+
+ImportDialog::ImportDialog(QWidget *parent)
+    : QDialog(parent)
+    , ui(new Ui::ImportDialog())
+{
+    ui->setupUi(this);
+}
+
+ImportDialog::~ImportDialog()
+{
+    delete ui;
+}
+
+void ImportDialog::initialize()
+{
+    // - remember the last selected type
+    QComboBox *typeBox = this->ui->typeComboBox;
+    QString lastFmt = typeBox->currentText();
+    if (lastFmt.isEmpty()) {
+        lastFmt = "Font";
+    }
+    typeBox->clear();
+    typeBox->addItem("Font");
+    typeBox->setCurrentIndex(typeBox->findText(lastFmt));
+
+    setRenderColor(this->renderColor);
+}
+
+void ImportDialog::setRenderColor(QColor color)
+{
+    QString styleSheet = QString(std::format("background: rgb({}, {}, {})", color.red(), color.green(), color.blue()).c_str());
+    ui->fontColorButton->setStyleSheet(styleSheet);
+    this->renderColor = color;
+}
+
+QString ImportDialog::getFileFormatExtension()
+{
+    return "." + this->ui->typeComboBox->currentText().toLower();
+}
+
+void ImportDialog::on_inputFileBrowseButton_clicked()
+{
+    QString selectedDirectory = QFileDialog::getOpenFileName(
+        this, "Select Font File", QString(), "Fonts (*.ttf *.otf)");
+
+    if (selectedDirectory.isEmpty())
+        return;
+
+    ui->inputFileEdit->setText(selectedDirectory);
+}
+
+void ImportDialog::on_fontSymbolsEdit_textChanged(const QString &text)
+{
+    bool ok = false;
+    uint test = text.toUInt(&ok, 16);
+    if (!ok) {
+        ui->fontSymbolsRangeLabel->setText("Error");
+        return;
+    }
+
+    QString pad = text.toLower();
+    while (pad.size() < 2)
+        pad = "0" + pad;
+
+    QString start = "U+" + pad + "00";
+    QString end = "U+" + pad + "ff";
+    ui->fontSymbolsRangeLabel->setText(start + " - " + end);
+}
+
+void ImportDialog::on_fontColorButton_clicked()
+{
+    QColor color = QColorDialog::getColor();
+    setRenderColor(color);
+}
+
+void ImportDialog::on_importButton_clicked()
+{
+    if (ui->inputFileEdit->text() == "") {
+        QMessageBox::warning(this, "Warning", "Input file is missing, please choose an input folder.");
+        return;
+    }
+
+    try {
+        MainWindow *mainWindow = dynamic_cast<MainWindow *>(this->parent());
+        if (mainWindow == nullptr) {
+            QMessageBox::critical(this, "Error", "Window not found.");
+            return;
+        }
+
+        QString filePath = ui->inputFileEdit->text();
+        int pointSize = ui->fontSizeEdit->text().toInt();
+        uint symbolPrefix = ui->fontSymbolsEdit->text().toUInt() << 8;
+        mainWindow->openFontFile(filePath, this->renderColor, pointSize, symbolPrefix);
+    } catch (...) {
+        QMessageBox::critical(this, "Error", "Import Failed.");
+        return;
+    }
+
+    this->close();
+}
+
+void ImportDialog::on_importCancelButton_clicked()
+{
+    this->close();
+}

source/dialogs/importdialog.h

@@ -0,0 +1,44 @@
+#pragma once
+
+#include <QDialog>
+#include <QProgressDialog>
+
+#include "d1formats/d1amp.h"
+#include "d1formats/d1gfx.h"
+#include "d1formats/d1min.h"
+#include "d1formats/d1sol.h"
+#include "d1formats/d1til.h"
+
+namespace Ui {
+class ImportDialog;
+}
+
+// subtiles per line if the output is groupped, an odd number to ensure it is not recognized as a flat tile
+#define EXPORT_SUBTILES_PER_LINE 15
+
+// frames per line if the output of a tileset-frames is groupped, an odd number to ensure it is not recognized as a flat tile or as subtiles
+#define EXPORT_LVLFRAMES_PER_LINE 31
+
+class ImportDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit ImportDialog(QWidget *parent = nullptr);
+    ~ImportDialog();
+
+    void initialize();
+
+private slots:
+    void on_inputFileBrowseButton_clicked();
+    void on_fontSymbolsEdit_textChanged(const QString &text);
+    void on_fontColorButton_clicked();
+    void on_importButton_clicked();
+    void on_importCancelButton_clicked();
+
+private:
+    void setRenderColor(QColor color);
+    QString getFileFormatExtension();
+
+    Ui::ImportDialog *ui;
+    QColor renderColor = QColor::fromRgb(204, 183, 117);
+};