Initial firmware commit.

firmware/common/ui_painter.cpp

@@ -0,0 +1,71 @@
+/*
+ * 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.
+ */
+
+#include "ui_painter.hpp"
+
+namespace ui {
+
+Style Style::invert() const {
+	return {
+		.font = font,
+		.background = foreground,
+		.foreground = background,
+	};
+}
+
+size_t Painter::draw_char(const Point p, const Style& style, const char c) {
+	const auto glyph = style.font.glyph(c);
+	display_.draw_glyph(p, glyph, style.foreground, style.background);
+	return glyph.advance().x;
+}
+
+size_t Painter::draw_string(Point p, const Style& style, const std::string text) {
+	size_t width = 0;
+	for(const auto c : text) {
+		const auto glyph = style.font.glyph(c);
+		display_.draw_glyph(p, glyph, style.foreground, style.background);
+		const auto advance = glyph.advance();
+		p += advance;
+		width += advance.x;
+	}
+	return width;
+}
+
+void Painter::draw_hline(Point p, size_t width, const Color c) {
+	display_.fill_rectangle({ p, { static_cast<Dim>(width), 1 } }, c);
+}
+
+void Painter::draw_vline(Point p, size_t height, const Color c) {
+	display_.fill_rectangle({ p, { 1, static_cast<Dim>(height) } }, c);
+}
+
+void Painter::draw_rectangle(const Rect r, const Color c) {
+	draw_hline(r.pos, r.size.w, c);
+	draw_vline({ r.pos.x, static_cast<Coord>(r.pos.y + 1) }, r.size.h - 2, c);
+	draw_vline({ static_cast<Coord>(r.pos.x + r.size.w - 1), static_cast<Coord>(r.pos.y + 1) }, r.size.h - 2, c);
+	draw_hline({ r.pos.x, static_cast<Coord>(r.pos.y + r.size.h - 1) }, r.size.w, c);
+}
+
+void Painter::fill_rectangle(const Rect r, const Color c) {
+	display_.fill_rectangle(r, c);
+}
+
+} /* namespace ui */