implement gif pros

RELENTLESS/include/gif-pros/gifclass.hpp

@@ -0,0 +1,59 @@
+#pragma once
+#include "main.h"
+#include "gifdec.h"
+
+/**
+ * MIT License
+ * Copyright (c) 2019 Theo Lemay
+ * https://github.com/theol0403/gif-pros
+ */
+
+class Gif {
+
+public:
+
+  /**
+   * Construct the Gif class
+   * @param fname  the gif filename on the SD card (prefixed with /usd/)
+   * @param parent the LVGL parent object
+   */
+  Gif(const char* fname, lv_obj_t* parent);
+
+  /**
+   * Destructs and cleans the Gif class
+   */
+  ~Gif();
+
+  /**
+   * Deletes GIF and frees all allocated memory
+   */
+  void clean();
+
+private:
+
+  gd_GIF* _gif = nullptr; // gif decoder object
+  void* _gifmem = nullptr; // gif file loaded from SD into memory 
+  uint8_t* _buffer = nullptr; // decoder frame buffer
+
+  lv_color_t* _cbuf = nullptr; // canvas buffer
+  lv_obj_t* _canvas = nullptr; // canvas object
+
+  pros::task_t _task = nullptr; // render task
+
+  /**
+   * Cleans and frees all allocated memory
+   */
+  void _cleanup();
+
+  /**
+   * Render cycle, blocks until loop count exceeds gif loop count flag (if any)
+   */
+  void _render();
+
+  /**
+   * Calls _render()
+   * @param arg Gif*
+   */
+  static void _render_task(void* arg);
+
+};

RELENTLESS/include/gif-pros/gifdec.h

@@ -0,0 +1,58 @@
+#ifndef GIFDEC_H
+#define GIFDEC_H
+
+#include <stdio.h>
+#include <stdint.h>
+#include <sys/types.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define BYTES_PER_PIXEL 4
+
+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 {
+    FILE *fp;
+    off_t anim_start;
+    uint16_t width, height;
+    uint16_t depth;
+    uint16_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;
+} gd_GIF;
+
+gd_GIF *gd_open_gif(FILE *fp);
+int gd_get_frame(gd_GIF *gif);
+void gd_render_frame(gd_GIF *gif, uint8_t *buffer);
+void gd_rewind(gd_GIF *gif);
+void gd_close_gif(gd_GIF *gif);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GIFDEC_H */

RELENTLESS/project.pros

@@ -27,6 +27,23 @@
                 "user_files": [],
                 "version": "0.4.7"
             },
+            "gif-pros": {
+                "location": "C:\\Users\\cjans\\AppData\\Roaming\\PROS\\templates\\gif-pros@2.1.1",
+                "metadata": {
+                    "origin": "local"
+                },
+                "name": "gif-pros",
+                "py/object": "pros.conductor.templates.local_template.LocalTemplate",
+                "supported_kernels": "^3.2.0",
+                "system_files": [
+                    "include\\gif-pros\\gifdec.h",
+                    "firmware\\gif-pros.a",
+                    "include\\gif-pros\\gifclass.hpp"
+                ],
+                "target": "v5",
+                "user_files": [],
+                "version": "2.1.1"
+            },
             "kernel": {
                 "location": "C:\\Users\\cjans\\AppData\\Roaming\\PROS\\templates\\kernel@3.8.0",
                 "metadata": {