354 lines
11 KiB
Python
354 lines
11 KiB
Python
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# -*- coding: utf-8 -*-
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"""System-settings text as MiSans-Medium RGB565, same pipeline as the settings hub cards."""
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from pathlib import Path
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import numpy as np
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from PIL import Image, ImageDraw, ImageFont
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ROOT = Path(r"C:\Users\qjyu\Documents\SoundWalker\一诺国际吉他")
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CODE = ROOT / "Code" / "YNGJ-GT1-M - AT32F403ARCT7"
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FONT = next((ROOT / "Doc" / "UI" / "MiSans").rglob("MiSans-Medium.ttf"))
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SCREEN = CODE / "screen.png"
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OUT_C = CODE / "device" / "LCD_ILI9341" / "Drv_ILI9341_Lcd_Image_SysSet.c"
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OUT_H = CODE / "device" / "LCD_ILI9341" / "Drv_ILI9341_Lcd_Image_SysSet.h"
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PREVIEW = CODE / "tools" / "out" / "sysset_preview.png"
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TITLE_PX = 16
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LABEL_PX = 13
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VALUE_PX = 13
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def render_phrase(text, px):
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font = ImageFont.truetype(str(FONT), px)
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scratch = Image.new("RGBA", (220, 48), (0, 0, 0, 0))
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dr = ImageDraw.Draw(scratch)
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dr.text((2, 2), text, font=font, fill=(255, 255, 255, 255))
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bbox = scratch.getbbox()
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if bbox is None:
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raise SystemExit("empty " + text)
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return scratch.crop(bbox)
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CELL_H = 13
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BASELINE = 11
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def render_glyph(ch, px):
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"""Fixed-height cell so '.' shares the digit baseline. Horizontal crop only."""
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font = ImageFont.truetype(str(FONT), px)
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origin = 8
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scratch = Image.new("RGBA", (72, CELL_H), (0, 0, 0, 0))
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dr = ImageDraw.Draw(scratch)
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try:
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dr.text((origin, BASELINE), ch, font=font, fill=(255, 255, 255, 255), anchor="ls")
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except TypeError:
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ascent, _ = font.getmetrics()
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dr.text((origin, BASELINE - ascent), ch, font=font, fill=(255, 255, 255, 255))
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alpha = np.array(scratch)[:, :, 3]
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cols = np.where(alpha.max(axis=0) >= 40)[0]
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adv = max(1, int(round(font.getlength(ch))))
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if len(cols) == 0:
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im = Image.new("RGBA", (adv, CELL_H), (0, 0, 0, 0))
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return im, 0, adv
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x0, x1 = int(cols[0]), int(cols[-1])
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im = scratch.crop((x0, 0, x1 + 1, CELL_H))
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bear = x0 - origin
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if bear < 0:
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pad = Image.new("RGBA", (im.size[0] - bear, CELL_H), (0, 0, 0, 0))
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pad.paste(im, (-bear, 0))
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im = pad
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bear = 0
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adv = max(bear + im.size[0], adv)
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return im, bear, adv
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def to_rgb565(im):
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im = im.convert("RGBA")
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w, h = im.size
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out = bytearray(w * h * 2)
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i = 0
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px = im.load()
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for y in range(h):
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for x in range(w):
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r, g, b, a = px[x, y]
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if a < 40:
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out[i] = 0
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out[i + 1] = 0
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else:
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r = (r * a) // 255
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g = (g * a) // 255
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b = (b * a) // 255
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v = ((r & 0xF8) << 8) | ((g & 0xFC) << 3) | (b >> 3)
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out[i] = (v >> 8) & 0xFF
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out[i + 1] = v & 0xFF
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i += 2
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return bytes(out)
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def crop_widget(im, x0, y0, x1, y1, key_fn):
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"""RGB crop; keyed pixels become transparent black."""
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sub = im.crop((x0, y0, x1 + 1, y1 + 1)).convert("RGBA")
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px = sub.load()
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w, h = sub.size
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for y in range(h):
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for x in range(w):
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r, g, b, a = px[x, y]
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if key_fn(r, g, b):
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px[x, y] = (0, 0, 0, 0)
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else:
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px[x, y] = (r, g, b, 255)
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bbox = sub.getbbox()
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if bbox is None:
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raise SystemExit("empty widget")
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ox, oy = bbox[0], bbox[1]
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return sub.crop(bbox), x0 + ox, y0 + oy
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def is_page_bg(r, g, b):
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return r < 14 and g < 18 and b < 28
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def is_card(r, g, b):
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return 24 <= r <= 48 and 32 <= g <= 56 and 44 <= b <= 72
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def to_1bit(im):
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"""MSB-first ink. About 1/16 the size of RGB565, which is what internal flash can hold."""
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im = im.convert("RGBA")
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w, h = im.size
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stride = (w + 7) // 8
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out = bytearray(stride * h)
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px = im.load()
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for y in range(h):
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for x in range(w):
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r, g, b, a = px[x, y]
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if a >= 96 and (r + g + b) > 180:
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out[y * stride + (x >> 3)] |= 0x80 >> (x & 7)
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return bytes(out)
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def emit_array(lines, name, data, note):
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lines.append(f"const unsigned char {name}[{len(data)}] = {{ /* {note} */")
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hexes = [f"0x{b:02X}" for b in data]
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for i in range(0, len(hexes), 16):
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lines.append(" " + ",".join(hexes[i:i + 16]) + ",")
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lines.append("};")
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lines.append("")
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def main():
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screen = Image.open(SCREEN).convert("RGB")
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phrases = {
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"Title": ("系统设置", TITLE_PX),
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"LblVer": ("固件版本", LABEL_PX),
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"LblUsb": ("USB模式", LABEL_PX),
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"LblAuto": ("自动关机", LABEL_PX),
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"LblRestore": ("恢复出厂设置", LABEL_PX),
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"UsbUpdate": ("USB更新", VALUE_PX),
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"UsbMidi": ("USB MIDI", VALUE_PX),
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"Off": ("关闭", VALUE_PX),
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}
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pics = {}
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for name, (text, px) in phrases.items():
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im = render_phrase(text, px)
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pics[name] = im
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print(f"{name:12} {text} {im.size}")
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glyphs = {}
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for ch in "0123456789.":
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im, bear, adv = render_glyph(ch, VALUE_PX)
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glyphs[ch] = (im, bear, adv)
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print(f"glyph {ch!r:4} {im.size} bear {bear} adv {adv}")
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back, back_x, back_y = crop_widget(screen, 8, 6, 36, 32, is_page_bg)
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chev, chev_x, chev_y = crop_widget(screen, 198, 255, 218, 282, lambda r, g, b: is_card(r, g, b) or is_page_bg(r, g, b))
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tri_l, tlx, tly = crop_widget(screen, 100, 132, 121, 152, is_card)
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tri_r, trx, try_ = crop_widget(screen, 191, 132, 211, 152, is_card)
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print("back", back.size, back_x, back_y)
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print("chev", chev.size, chev_x, chev_y)
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print("triL", tri_l.size, tlx, tly, "triR", tri_r.size, trx, try_)
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h_lines = [
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"#ifndef __DRV_ILI9341_LCD_IMAGE_SYSSET_H",
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"#define __DRV_ILI9341_LCD_IMAGE_SYSSET_H",
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"",
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'#include "stdint.h"',
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"",
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"/* MiSans-Medium strips, same blit path as the settings hub cards. */",
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"typedef struct {",
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" const unsigned char *data;",
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" uint8_t w;",
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" uint8_t h;",
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" uint8_t adv;",
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" int8_t bear;",
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" uint8_t mode; /* 0 = 1-bit ink, 1 = RGB565 */",
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"} SysSetGlyph;",
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"",
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]
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c_lines = [
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'#include "Drv_ILI9341_Lcd_Image_SysSet.h"',
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"",
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"/* Auto-generated by tools/gen_sysset_font.py — MiSans Medium */",
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"",
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]
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payload = [0]
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def add_pic(sym, im, bear=0, adv=None, rgb565=False):
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w, h = im.size
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if adv is None:
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adv = w
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if rgb565:
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data = to_rgb565(im)
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note = f"{w}x{h} RGB565 BE"
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mode = 1
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else:
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data = to_1bit(im)
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note = f"{w}x{h} 1-bit MSB"
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mode = 0
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payload[0] += len(data)
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arr = f"gImage_SysSet_{sym}_{w}x{h}"
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emit_array(c_lines, arr, data, note)
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c_lines.append(
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f"const SysSetGlyph g_SysSet_{sym} = {{ {arr}, {w}, {h}, {adv}, {bear}, {mode} }};"
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)
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c_lines.append("")
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h_lines.append(f"extern const SysSetGlyph g_SysSet_{sym};")
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for name, im in pics.items():
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add_pic(name, im)
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for ch, (im, bear, adv) in glyphs.items():
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sym = "Dot" if ch == "." else f"D{ch}"
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add_pic(sym, im, bear, adv)
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add_pic("Back", back)
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add_pic("Chevron", chev)
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add_pic("TriL", tri_l, rgb565=True)
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add_pic("TriR", tri_r, rgb565=True)
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h_lines += [
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"",
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f"#define SYSSET_BACK_X {back_x}",
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f"#define SYSSET_BACK_Y {back_y}",
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f"#define SYSSET_CHEV_X {chev_x}",
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f"#define SYSSET_CHEV_Y {chev_y}",
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f"#define SYSSET_TRIL_X {tlx}",
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f"#define SYSSET_TRIL_DY {tly - 114}",
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f"#define SYSSET_TRIR_X {trx}",
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f"#define SYSSET_TRIR_DY {try_ - 114}",
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"#define SYSSET_TITLE_Y 12",
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"#define SYSSET_LABEL_DX 12",
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"#define SYSSET_VAL_X 122",
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"#define SYSSET_VAL_W 69",
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"#define SYSSET_PILL_DX 143",
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"#define SYSSET_PILL_DY 18",
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"#define SYSSET_PILL_W 54",
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"#define SYSSET_PILL_H 22",
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"#define SYSSET_PILL_R 4",
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"#define SYSSET_CARD_R 7",
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"",
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"#endif",
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"",
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]
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OUT_H.write_text("\n".join(h_lines), encoding="utf-8", newline="\n")
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OUT_C.write_text("\n".join(c_lines), encoding="utf-8", newline="\n")
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print("wrote", OUT_C.stat().st_size, OUT_H.stat().st_size, "payload", payload[0])
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preview(screen, pics, glyphs, back, (back_x, back_y), chev, (chev_x, chev_y),
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tri_l, (tlx, tly), tri_r, (trx, try_))
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def fill_round(canvas, x, y, w, h, r, color):
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yy, xx = np.ogrid[0:h, 0:w]
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m = np.ones((h, w), dtype=bool)
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for cx, cy, sx, sy in (
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(r, r, 1, 1),
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(w - 1 - r, r, -1, 1),
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(r, h - 1 - r, 1, -1),
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(w - 1 - r, h - 1 - r, -1, -1),
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):
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corner = (xx - cx) ** 2 + (yy - cy) ** 2 > r * r
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region = np.zeros_like(m)
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if sx > 0:
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region[:, :r] = True
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else:
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region[:, w - r:] = True
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if sy > 0:
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band = yy < r
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else:
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band = yy >= h - r
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m[region & band & corner] = False
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canvas[y:y + h, x:x + w][m] = color
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def paste(canvas, im, x, y):
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im = im.convert("RGBA")
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px = im.load()
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w, h = im.size
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for yy in range(h):
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for xx in range(w):
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r, g, b, a = px[xx, yy]
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if a < 40:
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continue
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if 0 <= y + yy < 320 and 0 <= x + xx < 240:
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canvas[y + yy, x + xx] = (r * a // 255, g * a // 255, b * a // 255)
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def text_w(s, glyphs):
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w = 0
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for ch in s:
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im, bear, adv = glyphs[ch]
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w += adv
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return w
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def draw_text(canvas, x, y, s, glyphs):
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"""y is the top of the tallest glyph's bitmap, using bear within advance."""
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# Align by bitmap top: caller passes top y. Glyphs share similar height.
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for ch in s:
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im, bear, adv = glyphs[ch]
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paste(canvas, im, x + bear, y)
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x += adv
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def preview(screen, pics, glyphs, back, back_xy, chev, chev_xy, tri_l, tl, tri_r, tr):
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canvas = np.zeros((320, 240, 3), dtype=np.uint8)
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canvas[:, :] = (0, 8, 16)
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card = (32, 40, 56)
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for i in range(4):
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fill_round(canvas, 16, 51 + 63 * i, 207, 58, 7, card)
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paste(canvas, back, back_xy[0], back_xy[1])
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title = pics["Title"]
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paste(canvas, title, (240 - title.size[0]) // 2, 12)
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labels = ["LblVer", "LblUsb", "LblAuto", "LblRestore"]
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for i, name in enumerate(labels):
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im = pics[name]
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y = 51 + 63 * i + (58 - im.size[1]) // 2
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paste(canvas, im, 16 + 12, y)
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# buttons on rows 1 and 2
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for row_y in (114, 177):
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paste(canvas, tri_l, tl[0], row_y + (tl[1] - 114))
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paste(canvas, tri_r, tr[0], row_y + (tr[1] - 114))
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||
|
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# version
|
||
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fill_round(canvas, 159, 51 + 18, 54, 22, 4, (0, 8, 16))
|
||
|
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ver = "0.2.35"
|
||
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tw = text_w(ver, glyphs)
|
||
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gh = glyphs["0"][0].size[1]
|
||
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draw_text(canvas, 159 + (54 - tw) // 2, 51 + 18 + (22 - gh) // 2, ver, glyphs)
|
||
|
|
upd = pics["UsbUpdate"]
|
||
|
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paste(canvas, upd, 122 + (69 - upd.size[0]) // 2, 114 + (58 - upd.size[1]) // 2)
|
||
|
|
num = "15"
|
||
|
|
tw = text_w(num, glyphs)
|
||
|
|
draw_text(canvas, 122 + (69 - tw) // 2, 177 + (58 - gh) // 2, num, glyphs)
|
||
|
|
paste(canvas, chev, chev_xy[0], chev_xy[1])
|
||
|
|
PREVIEW.parent.mkdir(parents=True, exist_ok=True)
|
||
|
|
Image.fromarray(canvas).save(PREVIEW)
|
||
|
|
ref = np.array(screen.convert("RGB"))
|
||
|
|
d = np.abs(canvas.astype(int) - ref.astype(int)).sum(axis=2)
|
||
|
|
print("preview", PREVIEW, "mean", round(float(d.mean()), 2), "pct>40", round(float((d > 40).mean()), 4))
|
||
|
|
print("USB MIDI w", pics["UsbMidi"].size, "关闭", pics["Off"].size)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
main()
|