feat: Add gif support (#1183)

* feat: Add gif support

* fix: compiling errors

* fix remove bg image

main/display/lvgl_display/gif/gifdec.h

@@ -0,0 +1,68 @@
+#ifndef GIFDEC_H
+#define GIFDEC_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <lvgl.h>
+
+#include <stdint.h>
+
+typedef struct _gd_Palette {
+    int size;
+    uint8_t colors[0x100 * 3];
+} gd_Palette;
+
+typedef struct _gd_GCE {
+    uint16_t delay;
+    uint8_t tindex;
+    uint8_t disposal;
+    int input;
+    int transparency;
+} gd_GCE;
+
+
+
+typedef struct _gd_GIF {
+    lv_fs_file_t fd;
+    const char * data;
+    uint8_t is_file;
+    uint32_t f_rw_p;
+    int32_t anim_start;
+    uint16_t width, height;
+    uint16_t depth;
+    int32_t loop_count;
+    gd_GCE gce;
+    gd_Palette * palette;
+    gd_Palette lct, gct;
+    void (*plain_text)(
+        struct _gd_GIF * gif, uint16_t tx, uint16_t ty,
+        uint16_t tw, uint16_t th, uint8_t cw, uint8_t ch,
+        uint8_t fg, uint8_t bg
+    );
+    void (*comment)(struct _gd_GIF * gif);
+    void (*application)(struct _gd_GIF * gif, char id[8], char auth[3]);
+    uint16_t fx, fy, fw, fh;
+    uint8_t bgindex;
+    uint8_t * canvas, * frame;
+#if LV_GIF_CACHE_DECODE_DATA
+    uint8_t *lzw_cache;
+#endif
+} gd_GIF;
+
+gd_GIF * gd_open_gif_file(const char * fname);
+
+gd_GIF * gd_open_gif_data(const void * data);
+
+void gd_render_frame(gd_GIF * gif, uint8_t * buffer);
+
+int gd_get_frame(gd_GIF * gif);
+void gd_rewind(gd_GIF * gif);
+void gd_close_gif(gd_GIF * gif);
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* GIFDEC_H */