V1.0.6

2025-12-16 03:18:54 +00:00 · 2024-09-03 11:16:08 +08:00
parent cf270df8d6
commit 803cac77d5
2931 changed files with 614364 additions and 31222 deletions
--- a/packages/artinchip/lvgl-ui/aic_demo/image_demo/image_ui.c
+++ b/packages/artinchip/lvgl-ui/aic_demo/image_demo/image_ui.c
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2024, ArtInChip Technology Co., Ltd
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Authors:  Ning Fang <ning.fang@artinchip.com>
+ */
+
+#include <unistd.h>
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include "lvgl.h"
+#include "image_ui.h"
+#include "aic_ui.h"
+#include "aic_core.h"
+#include "canvas_image.h"
+
+#ifndef CANVAS_IMAGE_EXAMPLE
+#define MAX_IMAGE_SIZE 1024 * 128
+
+static lv_img_dsc_t memory_image = {
+  .header.cf = LV_IMG_CF_RAW,
+  .header.always_zero = 0,
+  .header.reserved = 0,
+  .header.w = 0,
+  .header.h = 0,
+  .data_size = 0,
+  .data = NULL,
+};
+
+static lv_obj_t *mem_img_cook = NULL;
+static lv_obj_t *file_img_cook = NULL;
+static uint8_t *image_data = NULL;
+
+lv_fs_res_t get_image_size(lv_fs_file_t *file, uint32_t *file_size)
+{
+    lv_fs_seek(file, 0, SEEK_END);
+    lv_fs_tell(file, file_size);
+    lv_fs_seek(file, 0, SEEK_SET);
+    return LV_FS_RES_OK;
+}
+
+static void change_mem_image_callback(lv_timer_t *tmr)
+{
+    (void)tmr;
+    lv_fs_file_t file;
+    static int id = 1;
+    lv_fs_res_t res = LV_FS_RES_OK;
+    uint32_t file_size = 0;
+
+    // open image file
+    if (id == 0) {
+        res = lv_fs_open(&file, LVGL_PATH(cook_0.jpg), LV_FS_MODE_RD);
+    } else {
+        res = lv_fs_open(&file, LVGL_PATH(cook_1.png), LV_FS_MODE_RD);
+    }
+
+    if (res == LV_FS_RES_OK) {
+        get_image_size(&file, &file_size);
+        if (file_size > 0 && file_size <= MAX_IMAGE_SIZE) {
+            uint32_t read_num = 0;
+
+            // read png/jpg stream from file
+            lv_fs_read(&file, image_data, file_size, &read_num);
+            if (read_num == file_size) {
+                memory_image.data = image_data;
+                memory_image.data_size = file_size;
+                // must clean image cache, when change image source
+                lv_img_cache_invalidate_src(lv_img_get_src(mem_img_cook));
+                // set image source
+                lv_img_set_src(mem_img_cook, &memory_image);
+            } else {
+                LV_LOG_ERROR("read filed failed");
+            }
+        }
+        // close image file
+        lv_fs_close(&file);
+    }
+
+    // swith image
+    id = (id == 0) ? 1 : 0;
+    return;
+}
+
+static void change_file_image_callback(lv_timer_t *tmr)
+{
+    (void)tmr;
+    static int id = 1;
+
+    lv_img_cache_invalidate_src(lv_img_get_src(file_img_cook));
+    if (id == 0)
+        lv_img_set_src(file_img_cook, LVGL_PATH(cook_2.jpg));
+    else
+        lv_img_set_src(file_img_cook,LVGL_PATH(cook_3.jpg));
+
+    // swith image
+    id = (id == 0) ? 1 : 0;
+    return;
+}
+
+#endif
+
+void image_ui_init(void)
+{
+#ifdef CANVAS_IMAGE_EXAMPLE
+    extern void lv_canvas_image_text(void);
+    lv_canvas_image_text();
+#else
+    image_data = (uint8_t *)aicos_malloc(MEM_CMA, MAX_IMAGE_SIZE);
+    if (!image_data) {
+        LV_LOG_ERROR("malloc image_data failed");
+        return;
+    }
+    file_img_cook = lv_img_create(lv_scr_act());
+    lv_obj_align(file_img_cook, LV_ALIGN_TOP_LEFT, 0, 0);
+    lv_obj_set_style_img_opa(file_img_cook, LV_OPA_50, LV_PART_MAIN);
+
+    mem_img_cook = lv_img_create(lv_scr_act());
+    lv_obj_center(mem_img_cook);
+
+    lv_timer_create(change_mem_image_callback, 1000, 0);
+    lv_timer_create(change_file_image_callback, 1000, 0);
+#endif
+}