lv_image_cache.h

Functions

lv_result_t lv_image_cache_init(uint32_t size)

Initialize image cache.

Parameters:

size – size of the cache in bytes.

Returns:

LV_RESULT_OK: initialization succeeded, LV_RESULT_INVALID: failed.

void lv_image_cache_resize(uint32_t new_size, bool evict_now)

Resize image cache. If set to 0, the cache will be disabled.

Parameters:

  • new_size – new size of the cache in bytes.

  • evict_now – true: evict the images should be removed by the eviction policy, false: wait for the next cache cleanup.

void lv_image_cache_drop(const void *src)

Invalidate image cache. Use NULL to invalidate all images.

Parameters:

src – pointer to an image source.

bool lv_image_cache_is_enabled(void)

Return true if the image cache is enabled.

Returns:

true: enabled, false: disabled.

lv_iter_t *lv_image_cache_iter_create(void)

Create an iterator to iterate over the image cache.

Returns:

an iterator to iterate over the image cache.

void lv_image_cache_dump(void)

Dump the content of the image cache in a human-readable format with cache order.