portapack-mayhem/firmware/common/ui_painter.hpp

95 lines
2.4 KiB
C++

/*
* 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_PAINTER_H__
#define __UI_PAINTER_H__
#include "ui.hpp"
#include "ui_text.hpp"
#include <string_view>
namespace ui {
struct Style {
const Font& font;
const Color background;
const Color foreground;
Style invert() const;
};
/* Sometimes mutation is just the more readable thing... */
struct MutableStyle {
const Font* font;
Color background;
Color foreground;
MutableStyle(const Style& s)
: font{&s.font},
background{s.background},
foreground{s.foreground} {}
void invert() {
std::swap(background, foreground);
}
operator Style() const {
return {
.font = *font,
.background = background,
.foreground = foreground};
}
};
class Widget;
class Painter {
public:
Painter(){};
Painter(const Painter&) = delete;
Painter(Painter&&) = delete;
int draw_char(Point p, const Style& style, char c);
int draw_string(Point p, const Style& style, std::string_view text);
int draw_string(Point p, const Font& font, Color foreground, Color background, std::string_view text);
void draw_bitmap(Point p, const Bitmap& bitmap, Color background, Color foreground);
void draw_rectangle(Rect r, Color c);
void fill_rectangle(Rect r, Color c);
void fill_rectangle_unrolled8(Rect r, Color c);
void paint_widget_tree(Widget* w);
void draw_hline(Point p, int width, Color c);
void draw_vline(Point p, int height, Color c);
private:
void paint_widget(Widget* w);
};
} /* namespace ui */
#endif /*__UI_PAINTER_H__*/