example/std-imagedumper: add file size and timer
diff --git a/example/stb-imagedumper/stb-imagedumper.c b/example/stb-imagedumper/stb-imagedumper.c
index 11d83d8..95affdf 100644
--- a/example/stb-imagedumper/stb-imagedumper.c
+++ b/example/stb-imagedumper/stb-imagedumper.c
@@ -53,7 +53,7 @@
----
$ stb-imagedumper -braille-art test/data/pjw-thumbnail.png
-test/data/pjw-thumbnail.png
+test/data/pjw-thumbnail.png (208 bytes, 164 microseconds)
⣿⣿⣿⣿⡿⡋⠉⠉⠉⠙⠻⢿⣿⣿⣿⣿
⣿⣿⣿⡿⣷⣿⣿⣿⣆⠀⠀⠀⠈⠹⣿⣿
⣿⣿⠃⢸⡿⢿⣿⣿⣿⠦⠀⠀⠀⠀⢼⣿
@@ -71,6 +71,7 @@
for a C compiler $CC, such as clang or gcc.
*/
+#include <inttypes.h>
#include <stdbool.h>
#include <stdio.h>
@@ -159,6 +160,51 @@
// ----------------
+#if defined(__unix__) || defined(__MACH__)
+
+#include <sys/stat.h>
+#include <time.h>
+
+#define WUFFS_EXAMPLE_USE_TIMERS
+
+uint64_t //
+get_filesize(const char* filename) {
+ struct stat z;
+ if (stat(filename, &z) == 0) {
+ return z.st_size;
+ }
+ return 0;
+}
+
+bool g_started = false;
+struct timespec g_start_time = {0};
+
+int64_t //
+micros_since_start(struct timespec* now) {
+ if (!g_started) {
+ return 0;
+ }
+ int64_t nanos = (int64_t)(now->tv_sec - g_start_time.tv_sec) * 1000000000 +
+ (int64_t)(now->tv_nsec - g_start_time.tv_nsec);
+ if (nanos < 0) {
+ return 0;
+ }
+ return nanos / 1000;
+}
+
+#else // defined(__unix__) || defined(__MACH__)
+
+#warning "TODO: stat and timers on non-POSIX systems"
+
+uint64_t //
+get_filesize(const char* filename) {
+ return 0;
+}
+
+#endif // defined(__unix__) || defined(__MACH__)
+
+// ----------------
+
const uint8_t g_src_ptr__mona_lisa_21_32_th[] = {
0xc3, 0xbe, 0xfe, 0xd1, 0x18, 0x0a, 0x1d, 0x02, 0x78, 0x95, 0x7f, 0x88,
0x87, 0x88, 0x87, 0x88, 0x77, 0x87, 0x47, 0x49, 0x7f, 0xa6, 0x02, 0x17,
@@ -599,7 +645,10 @@
#define BYTES_PER_COLOR_PIXEL 32
static void //
-handle(const char* filename, const uint8_t* src_ptr, const size_t src_len) {
+handle(const char* filename,
+ uint64_t filesize,
+ const uint8_t* src_ptr,
+ const size_t src_len) {
int w = 0;
int h = 0;
int channels_in_file = 0;
@@ -607,6 +656,11 @@
(g_flags.ascii_art || g_flags.braille_art) ? STBI_grey : STBI_rgb;
unsigned char* pixels = NULL;
+#if defined(WUFFS_EXAMPLE_USE_TIMERS)
+ g_started = true;
+ clock_gettime(CLOCK_MONOTONIC, &g_start_time);
+#endif
+
if (src_len > 0) {
pixels = stbi_load_from_memory(src_ptr, src_len, //
&w, &h, &channels_in_file, bytes_per_pixel);
@@ -615,6 +669,16 @@
&w, &h, &channels_in_file, bytes_per_pixel);
}
+ int64_t elapsed_micros = 0;
+#if defined(WUFFS_EXAMPLE_USE_TIMERS)
+ struct timespec now;
+ clock_gettime(CLOCK_MONOTONIC, &now);
+ elapsed_micros = micros_since_start(&now);
+#endif
+
+ printf("\n%s (%" PRIu64 " bytes, %" PRIi64 " microseconds)\n", filename,
+ filesize, elapsed_micros);
+
if (!pixels) {
printf("%s\n", stbi_failure_reason());
return;
@@ -687,6 +751,7 @@
fflush(stdout);
stbi_image_free(pixels);
+ printf("\n");
}
int //
@@ -731,17 +796,14 @@
if (g_flags.demo) {
for (size_t c = 0; demos[c].filename != NULL; c++) {
- printf("\n%s (%zu bytes)\n", demos[c].filename, demos[c].src_len);
- handle(demos[c].filename, demos[c].src_ptr, demos[c].src_len);
- printf("\n");
+ handle(demos[c].filename, demos[c].src_len, demos[c].src_ptr,
+ demos[c].src_len);
}
}
for (int c = 0; c < g_flags.remaining_argc; c++) {
const char* filename = g_flags.remaining_argv[c];
- printf("\n%s\n", filename);
- handle(filename, NULL, 0);
- printf("\n");
+ handle(filename, get_filesize(filename), NULL, 0);
}
return 0;
}
