Function stbi__start_mem

lite/example/cpp_example/mge/cv/stb_image.h:847–853

initialize a memory-decode context

// initialize a memory-decode context
static void stbi__start_mem(stbi__context* s, stbi_uc const* buffer, int len) {
    s->io.read = NULL;
    s->read_from_callbacks = 0;
    s->callback_already_read = 0;
    s->img_buffer = s->img_buffer_original = (stbi_uc*)buffer;
    s->img_buffer_end = s->img_buffer_original_end = (stbi_uc*)buffer + len;
}

// initialize a callback-based context
static void stbi__start_callbacks(stbi__context* s, stbi_io_callbacks* c, void* user) {