abdelrahman/tiffread
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Update main.c to use wizapp stdlib and tiffread.h

Browse Source
This commit is contained in:
Abdelrahman Said 2024-04-20 17:01:07 +01:00
parent 5c1f80ffb6
commit 17263bf215
1 changed files with 3 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

59
src/main.c
View File

@ -1,62 +1,9 @@
#include "aliases.h"
#include "tiffread.h"
#include <netinet/in.h> #include <netinet/in.h>
#include <stdint.h>
#include <stdio.h> #include <stdio.h>
#include <string.h> #include <string.h>
#define TAG_MAX_COUNT (UINT16_MAX * sizeof(const char *))
// Technically, the type parameter is 2-bytes long, but there aren't so many
// types specified in the spec, so UINT8_MAX should be sufficient
#define TYPE_MAX_COUNT (UINT8_MAX * sizeof(const char *))
// clang-format off
enum {
TIFF_ORDER_LITTLE_ENDIAN = 0x4949,
TIFF_ORDER_BIG_ENDIAN = 0x4d4d,
};
// clang-format on
typedef struct hdr TiffHdr;
struct hdr {
uint16_t order;
uint16_t magic;
uint32_t first_ifd_offset;
};
enum tiff_public_tags {
#include "tiff_public_tags.inc"
};
const char *tag_names[TAG_MAX_COUNT] = {
#define TIFF_TAG_LOOKUP
#include "tiff_public_tags.inc"
#undef TIFF_TAG_LOOKUP
};
enum tiff_field_types {
#include "tiff_field_types.inc"
};
const char *filed_type_names[TYPE_MAX_COUNT] = {
#define TIFF_TYPE_LOOKUP
#include "tiff_field_types.inc"
#undef TIFF_TYPE_LOOKUP
};
typedef struct field TiffField;
struct field {
uint16_t tag;
uint16_t type;
uint32_t count;
uint32_t value_offset;
};
typedef struct IFD TiffIFD;
struct IFD {
uint16_t count;
TiffField *fields;
uint32_t next_ifd;
};
int main(int argc, char *argv[]) { int main(int argc, char *argv[]) {
const char *file_to_open = argc > 1 ? argv[1] : "./resources/test.tif"; const char *file_to_open = argc > 1 ? argv[1] : "./resources/test.tif";
@ -79,7 +26,7 @@ int main(int argc, char *argv[]) {
TiffField fields[ifd.count]; TiffField fields[ifd.count];
memset(fields, 0, sizeof(TiffField) * ifd.count); memset(fields, 0, sizeof(TiffField) * ifd.count);
for (uint32_t i = 0; i < ifd.count; ++i) { for (u32 i = 0; i < ifd.count; ++i) {
fread(fields + i, sizeof(TiffField), 1, fp); fread(fields + i, sizeof(TiffField), 1, fp);
printf("ENTRY %02u\n", i); printf("ENTRY %02u\n", i);
printf("\t TAG: %04u (%s)\n", fields[i].tag, printf("\t TAG: %04u (%s)\n", fields[i].tag,