Public Access
mangavalkandClaude Opus 5.5
f46f7ab6c5
Interstellar: Gargantua with a time dilation clock (Earth today vs. Miller's planet), TARS with his settings and remarks about the house, the Endurance spinning at a solar-driven RPM while a Ranger docks, and the tesseract's bookshelf with the time in binary dust and the Message's first word in Morse on a watch. Your Name: comet Tiamat splitting over Itomori's lake, and kataware-doki, a countdown to sunset from sun.sun where two silhouettes stand on the crater rim during the twilight hour. HomeData gains sunset, sunrise and sun elevation (with an ISO time parser); wrap() and typed() move to el512_pages.h. Share Tech Mono 22 gets the full Latin set. All pages are in the renderer, checked with normal, busy and empty data. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
107 lines
3.2 KiB
C++
107 lines
3.2 KiB
C++
// Host stand-in for components/el512/el512_display.h, used by
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// tools/render_pages.py to draw the themed pages on a PC: the same drawing
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// surface (ESPHome's Display, 512 x 256, 1 bpp) and the same buffer effects,
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// without the panel, DMA or ESPHome components.
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#pragma once
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#include <algorithm>
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#include <cstdint>
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#include <cstring>
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#include "cyberpunk.h"
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#include "el512_helpers.h"
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#include "esphome/components/display/display.h"
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#include "esphome/core/hal.h"
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#include "interstellar.h"
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#include "konosuba.h"
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#include "steins.h"
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#include "trek.h"
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#include "yourname.h"
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namespace esphome::el512 {
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class EL512Display : public display::Display {
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public:
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static constexpr int WIDTH = 512, HEIGHT = 256, ROW = WIDTH / 8;
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uint8_t fb[ROW * HEIGHT]{}; // row-major, MSB = leftmost pixel (also PBM P4 order)
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uint32_t shown_at{0}; // millis() when the page was "shown"
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void update() override {}
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display::DisplayType get_display_type() override { return display::DisplayType::DISPLAY_TYPE_BINARY; }
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void fill(Color color) override {
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if (this->get_clipping().is_set()) {
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Display::fill(color);
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return;
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}
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memset(this->fb, color.is_on() ? 0xFF : 0x00, sizeof(this->fb));
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}
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void draw_pixel_at(int x, int y, Color color) override {
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if (!this->get_clipping().inside(x, y))
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return;
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this->set(x, y, color.is_on());
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}
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uint32_t page_age_ms() { return millis() - this->shown_at; }
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uint32_t page_shown_at() const { return this->shown_at; }
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// Same effects as the device (el512_display.cpp).
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void shift_rows(int y, int height, int dx) {
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dx %= WIDTH;
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if (dx < 0)
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dx += WIDTH;
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if (dx == 0)
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return;
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uint8_t src[ROW];
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for (int r = std::max(y, 0); r < std::min(y + height, HEIGHT); r++) {
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uint8_t *row = this->fb + r * ROW;
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memcpy(src, row, ROW);
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memset(row, 0, ROW);
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for (int x = 0; x < WIDTH; x++) {
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const int s = (x - dx + WIDTH) % WIDTH;
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if (src[s >> 3] & (0x80 >> (s & 7)))
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row[x >> 3] |= 0x80 >> (x & 7);
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}
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}
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}
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void invert_rect(int x, int y, int width, int height) {
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for (int py = y; py < y + height; py++)
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for (int px = x; px < x + width; px++)
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if (px >= 0 && py >= 0 && px < WIDTH && py < HEIGHT)
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this->set(px, py, !this->get(px, py));
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}
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void dither_mask(int level) {
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if (level >= 16)
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return;
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static const uint8_t BAYER[4][4] = {{0, 8, 2, 10}, {12, 4, 14, 6}, {3, 11, 1, 9}, {15, 7, 13, 5}};
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uint8_t masks[4];
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for (int r = 0; r < 4; r++) {
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masks[r] = 0;
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for (int x = 0; x < 8; x++)
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if (BAYER[r][x & 3] < level)
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masks[r] |= 0x80 >> x;
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}
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for (int y = 0; y < HEIGHT; y++)
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for (int i = 0; i < ROW; i++)
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this->fb[y * ROW + i] &= masks[y & 3];
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}
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bool get(int x, int y) const { return this->fb[y * ROW + (x >> 3)] & (0x80 >> (x & 7)); }
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void set(int x, int y, bool on) {
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if (x < 0 || y < 0 || x >= WIDTH || y >= HEIGHT)
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return;
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uint8_t &b = this->fb[y * ROW + (x >> 3)];
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if (on)
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b |= 0x80 >> (x & 7);
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else
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b &= ~(0x80 >> (x & 7));
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}
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protected:
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int get_width_internal() override { return WIDTH; }
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int get_height_internal() override { return HEIGHT; }
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};
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} // namespace esphome::el512
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