Standalone imp (#2791)

* Moved ui elements to common folder in standalone, and add screen parameters to the api v4

* pass it as a pointer, so if standalone app supports it can change

firmware/standalone/common/ui/ui_text.hpp

@@ -0,0 +1,110 @@
+/*
+ * 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"
+#include "standalone_app.hpp"
+extern const standalone_application_api_t* _api;
+
+// C1 Control Characters are an unprintable range of glyphs missing from the font files
+#define C1_CONTROL_CHARS_START 0x80
+#define C1_CONTROL_CHARS_COUNT 32
+
+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} {
+    }
+
+    int w() const {
+        return w_;
+    }
+
+    int 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;
+    Dim char_width() 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__*/