Initial firmware commit.

firmware/common/ui_text.hpp

@@ -0,0 +1,104 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * This file is part of PortaPack.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __UI_TEXT_H__
+#define __UI_TEXT_H__
+
+#include <cstdint>
+#include <cstddef>
+#include <string>
+
+#include "ui.hpp"
+
+namespace ui {
+
+class Glyph {
+public:
+	constexpr Glyph(
+		Dim w,
+		Dim h,
+		const uint8_t* const pixels
+	) : w_ { static_cast<uint8_t>(w) },
+		h_ { static_cast<uint8_t>(h) },
+		pixels_ { pixels }
+	{
+	}
+
+	Dim w() const {
+		return w_;
+	}
+
+	Dim h() const {
+		return h_;
+	}
+
+	Size size() const {
+		return { w_, h_ };
+	}
+
+	Point advance() const {
+		return { w_, 0 };
+	}
+
+	const uint8_t* pixels() const {
+		return pixels_;
+	}
+
+private:
+	const uint8_t w_;
+	const uint8_t h_;
+	const uint8_t* const pixels_;
+};
+
+class Font {
+public:
+	constexpr Font(
+		Dim w,
+		Dim h,
+		const uint8_t* data,
+		char c_start,
+		size_t c_count
+	) : w { w },
+		h { h },
+		data { data },
+		c_start { c_start },
+		c_count { c_count },
+		data_stride { (w * h + 7U) >> 3 }
+	{
+	}
+
+	Glyph glyph(const char c) const;
+
+	Dim line_height() const;
+	Size size_of(const std::string s) const;
+
+private:
+	const Dim w;
+	const Dim h;
+	const uint8_t* const data;
+	const char c_start;
+	const size_t c_count;
+	const size_t data_stride;
+};
+
+} /* namespace ui */
+
+#endif/*__UI_TEXT_H__*/