First init.

libraries/mcu-renderer/tools/fontconv/export.cpp

@@ -0,0 +1,120 @@
+/*
+ * MCU renderer fontconv
+ * Font export
+ *
+ * (C) 2023 Gissio
+ *
+ * License: MIT
+ */
+
+#include <iomanip>
+#include <fstream>
+
+#include "export.h"
+
+#define BYTES_PER_LINE 16
+
+using namespace std;
+
+static string to_upper(string str)
+{
+    for (auto &c : str)
+        c = toupper(c);
+
+    return str;
+}
+
+static string getFontVariableName(string filename)
+{
+    size_t position;
+
+    position = filename.rfind('/');
+    if (position != string::npos)
+        filename = filename.substr(position + 1);
+
+    position = filename.rfind('\\');
+    if (position != string::npos)
+        filename = filename.substr(position + 1);
+
+    position = filename.rfind('.');
+    if (position != string::npos)
+        filename = filename.substr(0, position);
+
+    string filteredFilename;
+
+    for (char c : filename)
+    {
+        if (isalpha(c) || isdigit(c))
+            filteredFilename += c;
+        else
+            filteredFilename += '_';
+    }
+
+    return filteredFilename;
+}
+
+void exportFont(Font &font,
+                string variableName,
+                string charcodes,
+                vector<uint8_t> &fontData,
+                string filename)
+{
+    if (variableName == "")
+        variableName = getFontVariableName(filename);
+
+    string constantName = to_upper(variableName);
+
+    if (charcodes == "")
+        charcodes = "all";
+
+    ofstream f(filename);
+
+    f << "/**" << endl;
+    f << " * Font: " << font.name << endl;
+    f << " * Copyright: " << font.copyright << endl;
+    f << " * Charcodes: " << charcodes << endl;
+    f << " */" << endl;
+    f << endl;
+
+    f << "#include <stdint.h>" << endl;
+    f << endl;
+
+    f << "#define " << constantName << "_ASCENT "
+      << font.ascent << endl;
+    f << "#define " << constantName << "_DESCENT "
+      << font.descent << endl;
+    f << "#define " << constantName << "_CAP_HEIGHT "
+      << font.capHeight << endl;
+    f << "#define " << constantName << "_LINE_HEIGHT "
+      << font.ascent + font.descent << endl;
+    f << "#define " << constantName << "_BOUNDINGBOX_LEFT "
+      << font.boundingBoxLeft << endl;
+    f << "#define " << constantName << "_BOUNDINGBOX_BOTTOM "
+      << font.boundingBoxBottom << endl;
+    f << "#define " << constantName << "_BOUNDINGBOX_WIDTH "
+      << font.boundingBoxWidth << endl;
+    f << "#define " << constantName << "_BOUNDINGBOX_HEIGHT "
+      << font.boundingBoxHeight << endl;
+
+    f << endl;
+
+    f << "const uint8_t " << variableName << "["
+      << fontData.size() << "] =" << endl;
+    f << "{\n";
+
+    for (uint32_t i = 0; i < fontData.size(); i++)
+    {
+        if (i > 0)
+        {
+            if ((i % BYTES_PER_LINE) == 0)
+                f << ",\n";
+            else
+                f << ", ";
+        }
+
+        f << "0x" << hex << setw(2) << setfill('0') << (uint32_t)fontData[i];
+    }
+
+    f << "\n";
+    f << "};\n";
+}