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fake brightness adjust (#1845)

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* temp

* temp - 1

* next step note

* fix circuit dependency (to fix:can't read p.mem)

* fix circuit dependency (to fix:can't read p.mem)

* notes

* bitmap

* bitmap

* remove my stupid forward declearation

* clean up

* clean up

* level control

* clean up

* clean up

* clean up

* clean up

* format

* format

* format

* format

* format

* fix for comment advices

* fix for comment advices

* fix display issue in notepad app

* slightly increase performance...

* temp for grey_scale and high_constrast

* format

* note for cache implement

* fix for comment request

* fix for comment request
This commit is contained in:
theHallwayThatBringMePassion
2024-02-07 16:07:30 +08:00
committed by GitHub
parent 5eef5b4e31
commit 0370b4eb55
15 changed files with 303 additions and 19 deletions
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83
firmware/common/portapack_io.hpp
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@@ -1,5 +1,6 @@
/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
* Copyleft (ɔ) 2024 zxkmm under GPL license
*
* This file is part of PortaPack.
*
@@ -30,6 +31,8 @@
#include "gpio.hpp"
#include "ui.hpp"
// #include "portapack_persistent_memory.hpp"
namespace portapack {
class IO {
@@ -141,7 +144,10 @@ class IO {
}
}
void lcd_write_pixel(const ui::Color pixel) {
void lcd_write_pixel(ui::Color pixel) {
if (get_dark_cover()) {
darken_color(pixel, get_brightness()); // Darken the pixel color
}
lcd_write_data(pixel.v);
}
@@ -149,13 +155,19 @@ class IO {
return lcd_read_data();
}
void lcd_write_pixels(const ui::Color pixel, size_t n) {
void lcd_write_pixels(ui::Color pixel, size_t n) {
if (get_dark_cover()) {
darken_color(pixel, get_brightness()); // Darken the pixel color
}
while (n--) {
lcd_write_data(pixel.v);
}
}
void lcd_write_pixels_unrolled8(const ui::Color pixel, size_t n) {
void lcd_write_pixels_unrolled8(ui::Color pixel, size_t n) {
if (get_dark_cover()) {
darken_color(pixel, get_brightness()); // Darken the pixel color
}
auto v = pixel.v;
n >>= 3;
while (n--) {
@@ -172,7 +184,11 @@ class IO {
void lcd_write_pixels(const ui::Color* const pixels, size_t n) {
for (size_t i = 0; i < n; i++) {
lcd_write_pixel(pixels[i]);
ui::Color pixel = pixels[i];
if (get_dark_cover()) {
darken_color(pixel, get_brightness()); // Darken the pixel color
}
lcd_write_pixel(pixel);
}
}
@@ -203,6 +219,10 @@ class IO {
return switches_raw;
}
bool get_dark_cover();
uint8_t get_brightness();
// TODO: cache the value ^^ & ^ to increaase performance, need a trigger cuz init doesn't work. And since the constructor is constexpr, we can't use with in class var to cache it. maybe cache from outside somewhere and pass it here as argument.
uint32_t io_update(const TouchPinsConfig write_value);
uint32_t lcd_te() {
@@ -314,6 +334,61 @@ class IO {
addr(1); /* Set up for data phase (most likely after a command) */
}
void darken_color(ui::Color& pixel, uint8_t darken_level_shift) {
// TODO: 1. do we need edge control?
// currently didn't see and issue without edge control
// but maybe hurts screen hardware without one?
// TODO: 2. de-color mode for accessibility
// TODO: 3. high contrast mode for accessibility
uint16_t r = (pixel.v >> 11) & 0x1F; // Extract red
uint16_t g = (pixel.v >> 5) & 0x3F; // Extract green
uint16_t b = pixel.v & 0x1F; // Extract blue
r = r >> darken_level_shift; // Darken red
g = g >> darken_level_shift; // Darken green
b = b >> darken_level_shift; // Darken blue
pixel.v = (r << 11) | (g << 5) | b; // Combine back to color, check UI::color for the color layout
}
// void high_contrast(ui::Color& pixel, size_t contrast_level_shift) { // TODO
// uint16_t r = (pixel.v >> 11) & 0x1F;
// uint16_t g = (pixel.v >> 5) & 0x3F;
// uint16_t b = pixel.v & 0x1F;
//
// if ((r << contrast_level_shift) > 0x1F) { // should be slightly smaller, need more obverse...
// r = 0x1F;
// } else {
// r = r << contrast_level_shift;
// }
//
// if ((g << contrast_level_shift) > 0x3F) { // same as above
// g = 0x3F;
// } else {
// g = g << contrast_level_shift;
// }
//
// if ((b << contrast_level_shift) > 0x1F) { // same as above
// b = 0x1F;
// } else {
// b = b << contrast_level_shift;
// }
//
// pixel.v = (r << 11) | (g << 5) | b;
// }
//
// void gray_scale(ui::Color& pixel) { // TODO: the blackwhite not looks right....
// uint16_t r = (pixel.v >> 11) & 0x1F;
// uint16_t g = (pixel.v >> 5) & 0x3F;
// uint16_t b = pixel.v & 0x1F;
//
// uint16_t average = (r + g + b) / 3;
//
// pixel.v = (average << 11) | (average << 5) | average;
// }
void lcd_write_data(const uint32_t value) __attribute__((always_inline)) {
// NOTE: Assumes and DIR=0 and ADDR=1 from command phase.
data_write_high(value); /* Drive high byte */