feat(lcd): animate fortune results with shared GFX layers

2026-10-10 11:36:54 +08:00
parent bf06618848
commit ee32b4d63f
26 changed files with 3063 additions and 11 deletions
@@ -0,0 +1,32 @@
+#pragma once
+#include "lcd_emote_assets.h"
+
+/* 平台私有图层与几何；领域仍选择资产序列，不引入业务状态机。 */
+enum { LCD_FORTUNE_PILE, LCD_FORTUNE_BACK, LCD_FORTUNE_EDGE,
+       LCD_FORTUNE_FRONT, LCD_FORTUNE_QUESTION, LCD_FORTUNE_ROD,
+       LCD_FORTUNE_SHARED_COUNT, LCD_FORTUNE_RESULT_COUNT = 5 };
+#define LCD_FORTUNE_X 56
+#define LCD_FORTUNE_Y 20
+#define LCD_FORTUNE_WIDTH 208U
+#define LCD_FORTUNE_HEIGHT 220U
+#define LCD_FORTUNE_MOTION_MS 2500U
+#define LCD_FORTUNE_TOTAL_MS 4000U
+#define LCD_FORTUNE_HOLD_MS 1500U
+#define LCD_FORTUNE_STEP_MS 34U
+typedef struct {
+    uint16_t width, height, x, y;
+    size_t compressed_size;
+    const uint8_t *data;
+} lcd_fortune_asset_t;
+extern const lcd_fortune_asset_t lcd_fortune_shared[LCD_FORTUNE_SHARED_COUNT];
+extern const lcd_fortune_asset_t lcd_fortune_text[LCD_FORTUNE_RESULT_COUNT];
+/* 有界 LZ4 block 解码，无动态内存；拒绝截断、无效回指及长度不符。 */
+bool lcd_emote_fortune_decode(const uint8_t *src, size_t size, uint8_t *dst, size_t capacity);
+extern const char *const lcd_fortune_result_dirs[LCD_FORTUNE_RESULT_COUNT];
+
+/* RGB565 高字节在前 + 独立 A8；所有像素由调用方拥有。 */
+typedef struct { uint16_t width, height; const uint8_t *pixels; } lcd_fortune_texture_t;
+/* 输出不透明 RGB565，完整重画固定局部窗口，确保旧轮廓恢复而不残影。 */
+bool lcd_emote_fortune_build_frame(uint8_t *dst, size_t capacity,
+    const lcd_fortune_texture_t shared[LCD_FORTUNE_SHARED_COUNT],
+    const lcd_fortune_texture_t *text, uint32_t time_ms);