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Forairaaaaa
69 lines
2.2 KiB
C++
69 lines
2.2 KiB
C++
/*
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* SPDX-FileCopyrightText: 2026 M5Stack Technology CO LTD
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*
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* SPDX-License-Identifier: MIT
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*/
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#include "assets.h"
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#include <assets.h>
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#include <mooncake_log.h>
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#include <map>
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#include <string>
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// #include <cstring>
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static const std::string_view _tag = "Assets";
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namespace assets {
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static bool has_suffix(std::string_view str, std::string_view suffix)
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{
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return str.size() >= suffix.size() && str.compare(str.size() - suffix.size(), suffix.size(), suffix) == 0;
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return false;
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}
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lv_image_dsc_t get_image(std::string_view name)
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{
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std::string key(name);
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lv_image_dsc_t dsc = {0};
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// 1. Retrieve data from Assets partition
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void* data_ptr = nullptr;
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size_t data_size = 0;
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// Attempt to access singleton from xiaozhi-esp32/main/assets.h
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// Since we include <assets.h>, we expect class Assets to be available.
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if (!Assets::GetInstance().GetAssetData(key, data_ptr, data_size)) {
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mclog::tagError(_tag, "get image asset {} failed: not found", name);
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return dsc;
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}
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// 2. Construct the LVGL image descriptor
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if (has_suffix(name, ".bin")) {
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// Pre-converted binary (RGB565, etc.) with 4-byte header
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if (data_size > sizeof(lv_image_header_t)) {
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memcpy(&dsc.header, data_ptr, sizeof(lv_image_header_t));
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dsc.data_size = data_size - sizeof(lv_image_header_t);
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dsc.data = (const uint8_t*)data_ptr + sizeof(lv_image_header_t);
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} else {
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mclog::tagError(_tag, "bin asset {} size too small", name);
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}
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} else if (has_suffix(name, ".png") || has_suffix(name, ".jpg") || has_suffix(name, ".jpeg") ||
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has_suffix(name, ".gif")) {
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// Encoded standard image
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dsc.header.magic = LV_IMAGE_HEADER_MAGIC;
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dsc.header.cf = LV_COLOR_FORMAT_RAW_ALPHA;
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dsc.data_size = data_size;
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dsc.data = (const uint8_t*)data_ptr;
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} else {
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// Fallback for unknown
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mclog::tagWarn(_tag, "unknown asset type for {}, treating as raw", name);
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dsc.header.magic = LV_IMAGE_HEADER_MAGIC;
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dsc.header.cf = LV_COLOR_FORMAT_RAW;
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dsc.data_size = data_size;
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dsc.data = (const uint8_t*)data_ptr;
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}
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return dsc;
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}
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} // namespace assets
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