Aren/haiku
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Added reading of next IFD entry offset in order to make it convenient to read all IFD entries in a TIFF file

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3897 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Matthew Wilber 2003-07-08 04:12:14 +00:00
parent 93e1f7dfd0
commit 6cef630541
2 changed files with 12 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
src/add-ons/translators/tifftranslator/TiffIfd.cpp
View File

@ -97,6 +97,16 @@ TiffIfd::LoadFields(uint32 offset, BPositionIO &io, swap_action swp)
finitStatus = fpfields[i]->InitCheck();
return;
}
} // for (i = 0; i < ffieldCount; i++, offset += 12)
// Read address of next IFD entry
if (io.ReadAt(offset, &fnextIFDOffset, 4) != 4) {
finitStatus = B_IO_ERROR;
return;
}
if (swap_data(B_UINT32_TYPE, &nextIFDOffset, 4, swp) != B_OK) {
finitStauts = B_ERROR;
return;
}
}
}

2
src/add-ons/translators/tifftranslator/TiffIfd.h
View File

@ -66,6 +66,8 @@ public:
bool HasField(uint16 tag);
uint32 GetCount(uint16 tag);
// throws: TiffIfdFieldNotFoundException()
uint32 GetNextIfdOffset() { return fnextIFDOffset; };
uint32 GetUint(uint16 tag, uint32 index = 0);
// index is the base one index for the desired