decreased whitespace between files, modified error message text

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@7273 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber 2004-04-21 00:35:57 +00:00
parent e2ed67d283
commit 85eea08ac9
1 changed files with 8 additions and 6 deletions

View File

@ -83,7 +83,7 @@ pngcb_flush_data(png_structp ppng)
void
PrintPNGInfo(const char *path)
{
printf("\n\n--- %s ---\n", path);
printf("\n--- %s ---\n", path);
BFile *pfile;
pfile = new BFile(path, B_READ_ONLY);
@ -101,10 +101,10 @@ PrintPNGInfo(const char *path)
}
if (!png_check_sig(buf, kSigSize)) {
// if first 8 bytes of stream don't match PNG signature bail
printf("File doesn't begin with PNG signature\n");
printf("Error: file doesn't begin with PNG signature\n");
return;
}
// use libpng to get info about the file
png_structp ppng = NULL;
png_infop pinfo = NULL;
@ -118,11 +118,13 @@ PrintPNGInfo(const char *path)
if (!pinfo)
break;
// set error handling
if (setjmp(png_jmpbuf(ppng)))
if (setjmp(png_jmpbuf(ppng))) {
// When an error occurs in libpng, it uses
// the longjmp function to continue execution
// from this point
printf("Error: error in libpng function\n");
break;
}
// set read callback function
png_set_read_fn(ppng, static_cast<void *>(pio), pngcb_read_data);
@ -130,12 +132,12 @@ PrintPNGInfo(const char *path)
// Read in PNG image info
png_set_sig_bytes(ppng, 8);
png_read_info(ppng, pinfo);
png_uint_32 width, height;
int bit_depth, color_type, interlace_type, compression_type, filter_type;
png_get_IHDR(ppng, pinfo, &width, &height, &bit_depth, &color_type,
&interlace_type, &compression_type, &filter_type);
printf(" width: %u\n", width);
printf(" height: %u\n", height);
printf(" row bytes: %u\n", pinfo->rowbytes);