portapack-mayhem/firmware/common/ui.hpp
jLynx 033c4e9a5b
Formatted code (#1007)
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2023-05-19 08:16:05 +12:00

351 lines
6.5 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_H__
#define __UI_H__
#include <cstdint>
namespace ui {
#define DEG_TO_RAD(d) (d * (2 * pi) / 360.0)
using Coord = int16_t;
using Dim = int16_t;
struct Color {
uint16_t v; // rrrrrGGGGGGbbbbb
constexpr Color()
: v{0} {
}
constexpr Color(
uint16_t v)
: v{v} {
}
constexpr Color(
uint8_t r,
uint8_t g,
uint8_t b)
: v{
static_cast<uint16_t>(
((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3))} {
}
uint8_t to_greyscale() {
uint32_t r = ((v >> 11) & 31U) << 3;
uint32_t g = ((v >> 5) & 63U) << 2;
uint32_t b = (v & 31U) << 3;
uint32_t grey = (r * 299 + g * 587 + b * 114) / 1000;
return (uint8_t)grey;
}
Color operator-() const {
return (v ^ 0xffff);
}
static constexpr Color black() {
return {0, 0, 0};
}
static constexpr Color red() {
return {255, 0, 0};
}
static constexpr Color dark_red() {
return {159, 0, 0};
}
static constexpr Color orange() {
return {255, 175, 0};
}
static constexpr Color dark_orange() {
return {191, 95, 0};
}
static constexpr Color yellow() {
return {255, 255, 0};
}
static constexpr Color dark_yellow() {
return {191, 191, 0};
}
static constexpr Color green() {
return {0, 255, 0};
}
static constexpr Color dark_green() {
return {0, 159, 0};
}
static constexpr Color blue() {
return {0, 0, 255};
}
static constexpr Color dark_blue() {
return {0, 0, 191};
}
static constexpr Color cyan() {
return {0, 255, 255};
}
static constexpr Color dark_cyan() {
return {0, 191, 191};
}
static constexpr Color magenta() {
return {255, 0, 255};
}
static constexpr Color dark_magenta() {
return {191, 0, 191};
}
static constexpr Color white() {
return {255, 255, 255};
}
static constexpr Color light_grey() {
return {191, 191, 191};
}
static constexpr Color grey() {
return {127, 127, 127};
}
static constexpr Color dark_grey() {
return {63, 63, 63};
}
static constexpr Color purple() {
return {204, 0, 102};
}
};
extern Color term_colors[16];
struct ColorRGB888 {
uint8_t r;
uint8_t g;
uint8_t b;
};
struct Point {
private:
Coord _x;
Coord _y;
public:
constexpr Point()
: _x{0},
_y{0} {
}
constexpr Point(
int x,
int y)
: _x{static_cast<Coord>(x)},
_y{static_cast<Coord>(y)} {
}
constexpr int x() const {
return _x;
}
constexpr int y() const {
return _y;
}
constexpr Point operator-() const {
return {-_x, -_y};
}
constexpr Point operator+(const Point& p) const {
return {_x + p._x, _y + p._y};
}
constexpr Point operator-(const Point& p) const {
return {_x - p._x, _y - p._y};
}
Point& operator+=(const Point& p) {
_x += p._x;
_y += p._y;
return *this;
}
Point& operator-=(const Point& p) {
_x -= p._x;
_y -= p._y;
return *this;
}
};
struct Size {
private:
Dim _w;
Dim _h;
public:
constexpr Size()
: _w{0},
_h{0} {
}
constexpr Size(
int w,
int h)
: _w{static_cast<Dim>(w)},
_h{static_cast<Dim>(h)} {
}
int width() const {
return _w;
}
int height() const {
return _h;
}
bool is_empty() const {
return (_w < 1) || (_h < 1);
}
};
struct Rect {
private:
Point _pos;
Size _size;
public:
constexpr Rect()
: _pos{},
_size{} {
}
constexpr Rect(
int x,
int y,
int w,
int h)
: _pos{x, y},
_size{w, h} {
}
constexpr Rect(
Point pos,
Size size)
: _pos(pos),
_size(size) {
}
Point location() const {
return _pos;
}
Size size() const {
return _size;
}
int top() const {
return _pos.y();
}
int bottom() const {
return _pos.y() + _size.height();
}
int left() const {
return _pos.x();
}
int right() const {
return _pos.x() + _size.width();
}
int width() const {
return _size.width();
}
int height() const {
return _size.height();
}
Point center() const {
return {_pos.x() + _size.width() / 2, _pos.y() + _size.height() / 2};
}
bool is_empty() const {
return _size.is_empty();
}
bool contains(const Point p) const;
Rect intersect(const Rect& o) const;
Rect operator+(const Point& p) const {
return {_pos + p, _size};
}
Rect& operator+=(const Rect& p);
Rect& operator+=(const Point& p);
Rect& operator-=(const Point& p);
operator bool() const {
return !_size.is_empty();
}
};
struct Bitmap {
const Size size;
const uint8_t* const data;
};
enum class KeyEvent {
/* Ordinals map to bit positions reported by CPLD */
Right = 0,
Left = 1,
Down = 2,
Up = 3,
Select = 4,
Dfu = 5,
Back = 6, /* Left and Up together */
};
using EncoderEvent = int32_t;
struct TouchEvent {
enum class Type : uint32_t {
Start = 0,
Move = 1,
End = 2,
};
Point point;
Type type;
};
Point polar_to_point(float angle, uint32_t distance);
Point fast_polar_to_point(int32_t angle, uint32_t distance);
} /* namespace ui */
#endif /*__UI_H__*/