backup codes

utils/convert_assets.sh

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+#!/bin/bash
+# -*- coding: utf-8 -*-
+# 资源转换脚本 - 将字体和图片转换为二进制文件供流式加载使用
+# 使用方法: ./convert_assets.sh
+
+set -e  # 遇到错误时退出
+
+# 项目根目录
+PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+ASSETS_DIR="$PROJECT_ROOT/utils/assets"
+OUTPUT_DIR="$PROJECT_ROOT/utils/output"
+
+# 创建输出目录
+mkdir -p "$OUTPUT_DIR"
+
+# 颜色输出
+RED='\033[0;31m'
+GREEN='\033[0;32m'
+YELLOW='\033[1;33m'
+NC='\033[0m' # No Color
+
+# 打印带颜色的信息
+print_info() {
+    echo -e "${GREEN}[INFO]${NC} $1"
+}
+
+print_warn() {
+    echo -e "${YELLOW}[WARN]${NC} $1"
+}
+
+print_error() {
+    echo -e "${RED}[ERROR]${NC} $1"
+}
+
+# 检查依赖
+check_dependencies() {
+    print_info "检查依赖..."
+
+    # 检查Python
+    if ! command -v python3 &> /dev/null; then
+        print_error "Python3 未安装，请先安装 Python3"
+        exit 1
+    fi
+
+    # 检查freetype-py
+    if ! python3 -c "import freetype" &> /dev/null; then
+        print_warn "freetype-py 未安装，尝试安装..."
+        pip3 install freetype-py
+    fi
+
+    # 检查Pillow
+    if ! python3 -c "import PIL" &> /dev/null; then
+        print_warn "Pillow 未安装，尝试安装..."
+        pip3 install Pillow
+    fi
+
+    print_info "依赖检查完成"
+}
+
+# 转换字体
+convert_font() {
+    local font_file="$1"
+    local font_size="$2"
+    local characters="$3"
+    local output_name="$4"
+
+    print_info "转换字体: $font_file (大小: $font_size)"
+
+    local font_name=$(basename "$font_file" | cut -d'.' -f1)
+    local temp_py="$OUTPUT_DIR/${font_name}_${font_size}.py"
+    local bin_file="$OUTPUT_DIR/${output_name}.bin"
+
+    # 步骤1: 转换为Python模块
+    print_info "步骤1: 将字体转换为Python模块..."
+    python3 "$PROJECT_ROOT/utils/font2bitmap.py" "$font_file" "$font_size" -s "$characters" > "$temp_py"
+
+    # 步骤2: 转换为二进制文件
+    print_info "步骤2: 将Python模块转换为二进制文件..."
+    python3 "$PROJECT_ROOT/utils/font2bin.py" "$temp_py" "$bin_file"
+
+    print_info "字体转换完成: $bin_file"
+}
+
+# 转换图片
+convert_image() {
+    local image_file="$1"
+    local colors="$2"
+    local output_name="$3"
+
+    print_info "转换图片: $image_file (颜色深度: $colors)"
+
+    local image_name=$(basename "$image_file" | cut -d'.' -f1)
+    local temp_py="$OUTPUT_DIR/${image_name}.py"
+
+    # 检查imgtobitmap.py是否存在
+    if [ ! -f "$PROJECT_ROOT/utils/imgtobitmap.py" ]; then
+        print_warn "imgtobitmap.py 不存在，跳过图片转换"
+        return
+    fi
+
+    # 步骤1: 转换为Python模块
+    print_info "步骤1: 将图片转换为Python模块..."
+    python3 "$PROJECT_ROOT/utils/imgtobitmap.py" "$image_file" "$colors" > "$temp_py"
+
+    # 步骤2: 转换为二进制文件
+    print_info "步骤2: 将Python模块转换为二进制文件..."
+    python3 "$PROJECT_ROOT/utils/image2bin.py" "$temp_py" "$OUTPUT_DIR/${output_name}.bin"
+
+    print_info "图片转换完成: $OUTPUT_DIR/${output_name}.bin"
+}
+
+# 主转换函数
+main() {
+    print_info "开始转换资源..."
+    print_info "输出目录: $OUTPUT_DIR"
+
+    # 定义常用字符集
+    CHINESE_CHARS="你好世界温度湿度天气空气质量良一般差零一二三四五六七八九十百千万亿点℃°%‰"
+    ENGLISH_CHARS="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.,!?-+%:="
+    WEATHER_CHARS="晴多云阴雨雪雷风雾霾霜露冰雹"
+
+    # 转换中文字体
+    if [ -f "$ASSETS_DIR/NotoSansSC-Regular.otf" ]; then
+        convert_font "$ASSETS_DIR/NotoSansSC-Regular.otf" "20" "$CHINESE_CHARS" "ch_font_20"
+        convert_font "$ASSETS_DIR/NotoSansSC-Regular.otf" "16" "$CHINESE_CHARS" "ch_font_16"
+    else
+        print_warn "中文字体文件不存在: $ASSETS_DIR/NotoSansSC-Regular.otf"
+    fi
+
+    # 转换英文字体
+    if [ -f "$ASSETS_DIR/NotoSansSC-Regular.otf" ]; then
+        convert_font "$ASSETS_DIR/NotoSansSC-Regular.otf" "18" "$ENGLISH_CHARS" "en_font_18"
+        convert_font "$ASSETS_DIR/NotoSansSC-Regular.otf" "14" "$ENGLISH_CHARS" "en_font_14"
+    fi
+
+    # 转换天气字体
+    if [ -f "$ASSETS_DIR/NotoSansSC-Regular.otf" ]; then
+        convert_font "$ASSETS_DIR/NotoSansSC-Regular.otf" "24" "$WEATHER_CHARS$CHINESE_CHARS$ENGLISH_CHARS" "weather_font_24"
+    fi
+
+    # 转换图片
+    if [ -f "$ASSETS_DIR/python-logo.png" ]; then
+        convert_image "$ASSETS_DIR/python-logo.png" "4" "python_logo"
+    else
+        print_warn "Python Logo图片不存在: $ASSETS_DIR/python-logo.png"
+    fi
+
+    if [ -f "$ASSETS_DIR/boot.jpg" ]; then
+        convert_image "$ASSETS_DIR/boot.jpg" "4" "boot_image"
+    else
+        print_warn "启动图片不存在: $ASSETS_DIR/boot.jpg"
+    fi
+
+    # 显示输出文件信息
+    print_info "转换完成! 生成的二进制文件:"
+    ls -lh "$OUTPUT_DIR"/*.bin 2>/dev/null || print_warn "没有生成二进制文件"
+
+    print_info "信息文件:"
+    ls -lh "$OUTPUT_DIR"/*.info 2>/dev/null || print_warn "没有生成信息文件"
+
+    print_info "Python模块:"
+    ls -lh "$OUTPUT_DIR"/*.py 2>/dev/null || print_warn "没有生成Python模块"
+
+    print_info "转换脚本执行完成!"
+}
+
+# 显示帮助信息
+show_help() {
+    echo "用法: $0 [选项]"
+    echo ""
+    echo "选项:"
+    echo "  -h, --help     显示此帮助信息"
+    echo ""
+    echo "此脚本将转换以下资源:"
+    echo "  1. 中文字体 - 转换为不同大小的二进制字体文件"
+    echo "  2. 英文字体 - 转换为不同大小的二进制字体文件"
+    echo "  3. 天气图标字体 - 转换为二进制字体文件"
+    echo "  4. 图片 - 转换为二进制图片文件"
+    echo ""
+    echo "输入文件应位于: $ASSETS_DIR"
+    echo "输出文件将保存到: $OUTPUT_DIR"
+}
+
+# 解析命令行参数
+while [[ $# -gt 0 ]]; do
+    case $1 in
+        -h|--help)
+            show_help
+            exit 0
+            ;;
+        *)
+            print_error "未知选项: $1"
+            show_help
+            exit 1
+            ;;
+    esac
+    shift
+done
+
+# 检查依赖并执行转换
+check_dependencies
+main

utils/imgtobitmap.py

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+#!python3
+'''
+    Convert image file to python module for use with blit_bitmap.
+
+    Usage imgtobitmap image_file bits_per_pixel >image.py
+'''
+
+import sys
+from PIL import Image
+import argparse
+
+
+def main():
+
+    parser = argparse.ArgumentParser(
+        prog='imgtobitmap',
+        description='Convert image file to python module for use with bitmap method.')
+
+    parser.add_argument(
+        'image_file',
+        help='Name of file containing image to convert')
+
+    parser.add_argument(
+        'bits_per_pixel',
+        type=int,
+        choices=range(1, 9),
+        default=1,
+        metavar='bits_per_pixel',
+        help='The number of bits to use per pixel (1..8)')
+
+    args = parser.parse_args()
+    bits = args.bits_per_pixel
+    colors_requested = 1 << bits
+    img = Image.open(args.image_file)
+    img = img.convert("P", palette=Image.Palette.ADAPTIVE, colors=colors_requested)
+    palette = img.getpalette()  # Make copy of palette colors
+    palette_colors = len(palette) // 3
+    bits_required = palette_colors.bit_length()
+    if (bits_required < bits):
+        print(f'\nNOTE: Quantization reduced colors to {palette_colors} from the {colors_requested} '
+        f'requested, reconverting using {bits_required} bit per pixel could save memory.\n''', file=sys.stderr)
+
+    # For all the colors in the palette
+    colors = []
+
+    for color in range(palette_colors):
+
+        # get rgb values and convert to 565
+        color565 = (
+            ((palette[color*3] & 0xF8) << 8)
+            | ((palette[color*3+1] & 0xFC) << 3)
+            | ((palette[color*3+2] & 0xF8) >> 3))
+
+        # swap bytes in 565
+        color = ((color565 & 0xff) << 8) + ((color565 & 0xff00) >> 8)
+
+        # append byte swapped 565 color to colors
+        colors.append(f'{color:04x}')
+
+    image_bitstring = ''
+    max_colors = 1 << bits
+
+    # Run through the image and create a string with the ascii binary
+    # representation of the color of each pixel.
+    for y in range(img.height):
+        for x in range(img.width):
+            pixel = img.getpixel((x, y))
+            color = pixel
+            bstring = ''.join(
+                '1' if (color & (1 << bit - 1)) else '0'
+                for bit in range(bits, 0, -1)
+            )
+
+            image_bitstring += bstring
+
+    bitmap_bits = len(image_bitstring)
+
+    # Create python source with image parameters
+    print(f'HEIGHT = {img.height}')
+    print(f'WIDTH = {img.width}')
+    print(f'COLORS = {max_colors}')
+    print(f'BITS = {bitmap_bits}')
+    print(f'BPP = {bits}')
+    print('PALETTE = [', sep='', end='')
+
+    for color, rgb in enumerate(colors):
+        if color:
+            print(',', sep='', end='')
+        print(f'0x{rgb}', sep='', end='')
+    print("]")
+
+    # Run though image bit string 8 bits at a time
+    # and create python array source for memoryview
+
+    print("_bitmap =\\", sep='')
+    print("b'", sep='', end='')
+
+    for i in range(0, bitmap_bits, 8):
+
+        if i and i % (16*8) == 0:
+            print("'\\\nb'", end='', sep='')
+
+        value = image_bitstring[i:i+8]
+        color = int(value, 2)
+        print(f'\\x{color:02x}', sep='', end='')
+
+    print("'\nBITMAP = memoryview(_bitmap)")
+
+
+main()