Files
MeowOS-For-R3P2/patch_v2/reader_app/app.c
T
MeowOS 553a7d5d9e reader R1: os.meow.reader 书架+TXT 垂直链路骨架
- core: 编码检测(BOM→UTF-8严格→GB18030/Big5统计, Big5与GB重叠按GB18030兜底, §3.5风险注明)
  + GB18030双字节码表(uint16[126][190]=47880B, tools/gen_gb18030_table.py 生成, 生成物入仓)
  + 流式排版器(贪心断行+Kinsoku避头尾+分页+重排锚定, rd_meas_fn 测量回调替 FreeType, 宿主可测)
  + TXT 流式加载器(按段读, 不整文件入内存, \n 恒独立换行可安全分段)
- engine: FreeType 封装(FT_New_Face 按需读文件, NO_HINTING/LIGHT 灰阶, LRU 512 key=码点+字号,
  blend565, rdft_advance 只测宽不栅格化)
- app: 书架(扫 Books/ 识别 5 后缀, 最近读置顶, 空态提示) + 阅读页(W_CUSTOM 画布 3 栏翻页
  +中央菜单占位(字号±/行距±/返回) +顶栏进度%/章节名) + 书桥(段表+flat 页索引, 渲染, 重排回锚)
  + 进度持久化(MeowData/os.meow.reader/progress/, path hash→seg/ch/fs/ls/ts)
- 取舍: 正文字体 FreeType 直读 TF MeowOS/fonts/ TTF/OTF; 无字体回退 SDK 位图字库(meow_ui_text,
  未打包字体(许可/体积), 全 glyph 兜底 R2); 页位图缓存当前+前后各1页(3×691KB), 翻页动画默认无
- 内存实测(宿主 --wrap malloc, 73页书): 书结构 130KB + 当前段刮擦~1.6MB(行/页容量按 n 偏高,R2 收紧)
  + 字形缓存~650KB + 3页位图 2.07MB ≈ 4.45MB 动态, 在 ≤8MB 阅读态预算内
- 测试: 宿主 core 58/58(enc/gb18030金标准/kinsoku/page/reflow/txt); qemu-mipsel ft_smoke PASS
  + book_smoke(12页/渲染有墨/翻页/重排回锚) PASS; reader 交叉 -Wall -Wextra 0 warning
- 产物: reader(mipsel 静态1.2MB)+build_reader.sh(vendor FreeType 可复现); vendor/二进制 gitignore
2026-09-01 23:26:42 +08:00

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/* app.c — os.meow.reader 应用装配层:main + 初始化 + 事件分发。
*
* 职责(SDK_VIEW_FRAMEWORK_DESIGN.md §B.2):main 只做 init/建页/跑事件循环/清理;把
* meow_ui_run 的平铺输入回调(key/tap/swipe/tick/touch)路由到当前活动页(shelf/reader)。
* 页面切换走 meow_view_page_push/pop(on_enter/on_leave 唯一入口)。
*/
#include "reader_internal.h"
#include "meow_ui_internal.h" /* 阅读页 blit 需要 back_buf 访问器(决策见报告) */
#include <signal.h>
static meow_view *g_shelf_view;
static meow_view *g_reader_view;
static void on_sigterm(int s) { (void)s; meow_ui_request_exit(); }
static void app_on_key(int keycode, int is_down) { (void)keycode; (void)is_down; }
static void app_on_tap(int x, int y)
{
if (reader_is_active()) { reader_on_tap(x, y); return; }
shelf_on_tap(x, y);
}
static void app_on_swipe(int dir, int dx, int dy)
{
(void)dy; (void)dx;
if (reader_is_active()) { reader_on_swipe(dir, dx, dy); return; }
if (dir == MEOW_SWIPE_LEFT) { meow_ui_request_exit(); }
}
static void app_on_tick(void)
{
uint64_t now = meow_ui_time_ms();
if (reader_is_active()) { reader_on_tick(now); return; }
}
int main(void)
{
meow_log(MEOW_LOG_INFO, "start");
meow_ui_opts o = { 480, 720 };
if (meow_ui_init(&o) != 0) { meow_log(MEOW_LOG_ERROR, "init failed"); return 1; }
meow_theme_add_listener(NULL);
signal(SIGTERM, on_sigterm);
g_shelf_view = shelf_view_create();
g_reader_view = reader_view_create();
meow_view_page_push(ACT_SHELF);
meow_ui_events ev = { app_on_key, app_on_tap, app_on_swipe, app_on_tick,
NULL, NULL, NULL };
meow_ui_run(&ev);
meow_view_free(g_reader_view);
meow_view_free(g_shelf_view);
meow_ui_shutdown();
meow_log(MEOW_LOG_INFO, "exit");
return 0;
}