Initial check in for tgainfo, a command line program for displaying information about TGA image files. Useful for debugging the TGATranslator.
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@5273 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber
parent
f05b9fa836
commit
d61900aaa1
4
src/tools/translation/tgainfo/Jamfile
Normal file
4
src/tools/translation/tgainfo/Jamfile
Normal file
@ -0,0 +1,4 @@
|
||||
SubDir OBOS_TOP src tools translation tgainfo ;
|
||||
|
||||
BinCommand tgainfo : tgainfo.cpp : be ;
|
||||
|
||||
247
src/tools/translation/tgainfo/tgainfo.cpp
Normal file
247
src/tools/translation/tgainfo/tgainfo.cpp
Normal file
@ -0,0 +1,247 @@
|
||||
/*****************************************************************************/
|
||||
// tgainfo
|
||||
// Written by Michael Wilber, OBOS Translation Kit Team
|
||||
//
|
||||
// Version:
|
||||
//
|
||||
// tgainfo is a command line program for displaying information about
|
||||
// TGA images.
|
||||
//
|
||||
//
|
||||
// This application and all source files used in its construction, except
|
||||
// where noted, are licensed under the MIT License, and have been written
|
||||
// and are:
|
||||
//
|
||||
// Copyright (c) 2003 OpenBeOS Project
|
||||
//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a
|
||||
// copy of this software and associated documentation files (the "Software"),
|
||||
// to deal in the Software without restriction, including without limitation
|
||||
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
|
||||
// and/or sell copies of the Software, and to permit persons to whom the
|
||||
// Software is furnished to do so, subject to the following conditions:
|
||||
//
|
||||
// The above copyright notice and this permission notice shall be included
|
||||
// in all copies or substantial portions of the Software.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
|
||||
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
|
||||
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
||||
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
|
||||
// DEALINGS IN THE SOFTWARE.
|
||||
/*****************************************************************************/
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <ByteOrder.h>
|
||||
#include <File.h>
|
||||
#include <TranslatorFormats.h>
|
||||
|
||||
#define max(x,y) ((x > y) ? x : y)
|
||||
#define DATA_BUFFER_SIZE 64
|
||||
|
||||
struct TGAFileHeader {
|
||||
uint8 idlength;
|
||||
// Number of bytes in the Image ID field
|
||||
uint8 colormaptype;
|
||||
uint8 imagetype;
|
||||
};
|
||||
|
||||
#define TGA_NO_COLORMAP 0
|
||||
#define TGA_COLORMAP 1
|
||||
|
||||
#define TGA_NO_IMAGE_DATA 0
|
||||
|
||||
#define TGA_NOCOMP_COLORMAP 1
|
||||
#define TGA_NOCOMP_TRUECOLOR 2
|
||||
#define TGA_NOCOMP_BW 3
|
||||
#define TGA_RLE_COLORMAP 9
|
||||
#define TGA_RLE_TRUECOLOR 10
|
||||
#define TGA_RLE_BW 11
|
||||
|
||||
// Information about the color map (palette). These bytes are
|
||||
// always present, but are zero if no color map is present
|
||||
struct TGAColorMapSpec {
|
||||
uint16 firstentry; // first useful entry in the color map
|
||||
uint16 length; // number of color map entries
|
||||
uint8 entrysize; // number of bits per entry
|
||||
};
|
||||
|
||||
struct TGAImageSpec {
|
||||
uint16 xorigin;
|
||||
uint16 yorigin;
|
||||
uint16 width;
|
||||
uint16 height;
|
||||
uint8 depth;
|
||||
uint8 descriptor;
|
||||
};
|
||||
|
||||
#define TGA_ORIGIN_VERT_BIT 0x20
|
||||
#define TGA_ORIGIN_BOTTOM 0
|
||||
#define TGA_ORIGIN_TOP 1
|
||||
|
||||
#define TGA_ORIGIN_HORZ_BIT 0x10
|
||||
#define TGA_ORIGIN_LEFT 0
|
||||
#define TGA_ORIGIN_RIGHT 1
|
||||
|
||||
#define TGA_DESC_BITS76 0xc0
|
||||
#define TGA_DESC_ALPHABITS 0x0f
|
||||
|
||||
#define TGA_HEADERS_SIZE 18
|
||||
#define TGA_FTR_LEN 26
|
||||
|
||||
const char *
|
||||
colormaptype(uint8 n)
|
||||
{
|
||||
switch (n) {
|
||||
case 0: return "No colormap";
|
||||
case 1: return "colormap";
|
||||
}
|
||||
return "unknown";
|
||||
}
|
||||
|
||||
const char *
|
||||
imagetype(uint8 n)
|
||||
{
|
||||
switch (n) {
|
||||
case 0: return "No Image Data";
|
||||
case 1: return "colormap";
|
||||
case 2: return "true color";
|
||||
case 3: return "grayscale";
|
||||
case 9: return "RLE colormap";
|
||||
case 10: return "RLE true color";
|
||||
case 11: return "RLE grayscale";
|
||||
}
|
||||
return "unknown";
|
||||
}
|
||||
|
||||
void
|
||||
print_tga_info(BFile &file)
|
||||
{
|
||||
uint8 buf[TGA_HEADERS_SIZE];
|
||||
|
||||
// read in TGA headers
|
||||
ssize_t size = TGA_HEADERS_SIZE;
|
||||
if (size > 0 && file.Read(buf, size) != size) {
|
||||
printf("Error: unable to read all TGA headers\n");
|
||||
return;
|
||||
}
|
||||
|
||||
// TGA file header
|
||||
TGAFileHeader fh;
|
||||
fh.idlength = buf[0];
|
||||
fh.colormaptype = buf[1];
|
||||
fh.imagetype = buf[2];
|
||||
|
||||
printf("\nFile Header:\n");
|
||||
printf(" id length: %d\n", fh.idlength);
|
||||
|
||||
printf("colormap type: %d (%s)\n", fh.colormaptype,
|
||||
colormaptype(fh.colormaptype));
|
||||
printf(" image type: %d (%s)\n", fh.imagetype, imagetype(fh.imagetype));
|
||||
|
||||
|
||||
// TGA color map spec
|
||||
TGAColorMapSpec mapspec;
|
||||
memcpy(&mapspec.firstentry, buf + 3, 2);
|
||||
mapspec.firstentry = B_LENDIAN_TO_HOST_INT16(mapspec.firstentry);
|
||||
memcpy(&mapspec.length, buf + 5, 2);
|
||||
mapspec.length = B_LENDIAN_TO_HOST_INT16(mapspec.length);
|
||||
mapspec.entrysize = buf[7];
|
||||
|
||||
printf("\nColormap Spec:\n");
|
||||
printf("first entry: %d\n", mapspec.firstentry);
|
||||
printf(" length: %d\n", mapspec.length);
|
||||
printf(" entry size: %d\n", mapspec.entrysize);
|
||||
|
||||
|
||||
// TGA image spec
|
||||
TGAImageSpec imagespec;
|
||||
memcpy(&imagespec.xorigin, buf + 8, 2);
|
||||
imagespec.xorigin = B_LENDIAN_TO_HOST_INT16(imagespec.xorigin);
|
||||
|
||||
memcpy(&imagespec.yorigin, buf + 10, 2);
|
||||
imagespec.yorigin = B_LENDIAN_TO_HOST_INT16(imagespec.yorigin);
|
||||
|
||||
memcpy(&imagespec.width, buf + 12, 2);
|
||||
imagespec.width = B_LENDIAN_TO_HOST_INT16(imagespec.width);
|
||||
|
||||
memcpy(&imagespec.height, buf + 14, 2);
|
||||
imagespec.height = B_LENDIAN_TO_HOST_INT16(imagespec.height);
|
||||
|
||||
imagespec.depth = buf[16];
|
||||
imagespec.descriptor = buf[17];
|
||||
|
||||
printf("\nImage Spec:\n");
|
||||
printf(" x origin: %d\n", imagespec.xorigin);
|
||||
printf(" y origin: %d\n", imagespec.yorigin);
|
||||
printf(" width: %d\n", imagespec.width);
|
||||
printf(" height: %d\n", imagespec.height);
|
||||
printf(" depth: %d\n", imagespec.depth);
|
||||
printf("descriptor: 0x%.2lx\n", imagespec.descriptor);
|
||||
printf("\talpha (attr): %d\n",
|
||||
imagespec.descriptor & TGA_DESC_ALPHABITS);
|
||||
printf("\t origin: %d (%s %s)\n",
|
||||
imagespec.descriptor & (TGA_ORIGIN_VERT_BIT | TGA_ORIGIN_HORZ_BIT),
|
||||
((imagespec.descriptor & TGA_ORIGIN_VERT_BIT) ? "top" : "bottom"),
|
||||
((imagespec.descriptor & TGA_ORIGIN_HORZ_BIT) ? "right" : "left"));
|
||||
printf("\t bits 7 & 6: %d\n", imagespec.descriptor & TGA_DESC_BITS76);
|
||||
|
||||
|
||||
// Optional TGA Footer
|
||||
off_t filesize = 0;
|
||||
if (file.GetSize(&filesize) == B_OK) {
|
||||
|
||||
char tgafooter[TGA_FTR_LEN + 1] = { 0 };
|
||||
if (file.ReadAt(filesize - TGA_FTR_LEN, tgafooter, TGA_FTR_LEN) == TGA_FTR_LEN) {
|
||||
|
||||
if (strcmp(tgafooter + 8, "TRUEVISION-XFILE.") == 0) {
|
||||
|
||||
uint32 extoffset = 0, devoffset = 0;
|
||||
memcpy(&extoffset, tgafooter, 4);
|
||||
memcpy(&devoffset, tgafooter + 4, 4);
|
||||
extoffset = B_LENDIAN_TO_HOST_INT32(extoffset);
|
||||
devoffset = B_LENDIAN_TO_HOST_INT32(devoffset);
|
||||
|
||||
printf("\nTGA Footer:\n");
|
||||
printf("extension offset: 0x%.8lx (%d)\n", extoffset, extoffset);
|
||||
printf("developer offset: 0x%.8lx (%d)\n", devoffset, devoffset);
|
||||
printf("signature: %s\n", tgafooter + 8);
|
||||
|
||||
} else
|
||||
printf("\nTGA footer not found\n");
|
||||
|
||||
} else
|
||||
printf("\nError: Unable to read TGA footer section\n");
|
||||
|
||||
} else
|
||||
printf("\nError: Unable to get file size\n");
|
||||
}
|
||||
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
printf("\n");
|
||||
|
||||
if (argc == 2) {
|
||||
BFile file(argv[1], B_READ_ONLY);
|
||||
if (file.InitCheck() != B_OK)
|
||||
printf("Error opening %s\n", argv[1]);
|
||||
else {
|
||||
printf("TGA image information for: %s\n", argv[1]);
|
||||
print_tga_info(file);
|
||||
}
|
||||
}
|
||||
else {
|
||||
printf("tgainfo - reports information about a TGA image file\n");
|
||||
printf("\nUsage:\n");
|
||||
printf("tgainfo filename.tga\n");
|
||||
}
|
||||
|
||||
printf("\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user