bool load_image(flow_c * c, char * checksum, struct flow_bitmap_bgra ** ref, void * bitmap_owner)
{
char filename[2048];
if (!create_relative_path(c, false, filename, 2048, "/visuals/%s.png", checksum)) {
FLOW_add_to_callstack(c);
return false;
}
struct flow_job * job = flow_job_create(c);
if (job == NULL) {
FLOW_error_return(c);
}
size_t bytes_count;
uint8_t * bytes = read_all_bytes(c, &bytes_count, filename);
if (bytes == NULL) {
FLOW_error_return(c);
}
struct flow_io * input = flow_io_create_from_memory(c, flow_io_mode_read_seekable, bytes, bytes_count, job, NULL);
if (input == NULL) {
FLOW_error_return(c);
}
if (!flow_job_add_io(c, job, input, 0, FLOW_INPUT)) {
FLOW_error_return(c);
}
struct flow_graph * g = flow_graph_create(c, 10, 10, 200, 2.0);
if (g == NULL) {
FLOW_add_to_callstack(c);
return false;
}
int32_t last;
last = flow_node_create_decoder(c, &g, -1, 0);
last = flow_node_create_bitmap_bgra_reference(c, &g, last, ref);
if (flow_context_has_error(c)) {
FLOW_add_to_callstack(c);
return false;
}
if (!flow_job_execute(c, job, &g)) {
FLOW_add_to_callstack(c);
return false;
}
// Let the bitmap last longer than the job
if (!flow_set_owner(c, *ref, bitmap_owner)) {
FLOW_add_to_callstack(c);
return false;
}
if (!flow_job_destroy(c, job)) {
FLOW_error_return(c);
}
FLOW_free(c, bytes);
return true;
}
bool load_image(flow_c * c, char * checksum, struct flow_bitmap_bgra ** ref, void * bitmap_owner,
const char * storage_relative_to)
{
char filename[2048];
if (!create_path_from_relative(c, storage_relative_to, false, filename, 2048, "/visuals/%s.png", checksum)) {
FLOW_add_to_callstack(c);
return false;
}
// load PNG
if (!flow_bitmap_bgra_load_png(c, ref, filename)) {
FLOW_add_to_callstack(c);
return false;
}
// Let the bitmap last longer than the job
if (!flow_set_owner(c, *ref, bitmap_owner)) {
FLOW_add_to_callstack(c);
return false;
}
return true;
}
