Method DebugTextEncoding

KBotExt/imgui/imgui.cpp:13563–13596

Helper tool to diagnose between text encoding issues and font loading issues. Pass your UTF-8 string and verify that there are correct.

// Helper tool to diagnose between text encoding issues and font loading issues. Pass your UTF-8 string and verify that there are correct.
void ImGui::DebugTextEncoding(const char* str)
{
	Text("Text: \"%s\"", str);
	if (!BeginTable("##DebugTextEncoding", 4, ImGuiTableFlags_Borders | ImGuiTableFlags_RowBg | ImGuiTableFlags_SizingFixedFit | ImGuiTableFlags_Resizable))
		return;
	TableSetupColumn("Offset");
	TableSetupColumn("UTF-8");
	TableSetupColumn("Glyph");
	TableSetupColumn("Codepoint");
	TableHeadersRow();
	for (const char* p = str; *p != 0; )
	{
		unsigned int c;
		const int c_utf8_len = ImTextCharFromUtf8(&c, p, NULL);
		TableNextColumn();
		Text("%d", (int)(p - str));
		TableNextColumn();
		for (int byte_index = 0; byte_index < c_utf8_len; byte_index++)
		{
			if (byte_index > 0)
				SameLine();
			Text("0x%02X", (int)(unsigned char)p[byte_index]);
		}
		TableNextColumn();
		if (GetFont()->FindGlyphNoFallback((ImWchar)c))
			TextUnformatted(p, p + c_utf8_len);
		else
			TextUnformatted((c == IM_UNICODE_CODEPOINT_INVALID) ? "[invalid]" : "[missing]");
		TableNextColumn();
		Text("U+%04X", (int)c);
		p += c_utf8_len;
	}
	EndTable();
}

// Avoid naming collision with imgui_demo.cpp's HelpMarker() for unity builds.
static void MetricsHelpMarker(const char* desc)