summaryrefslogtreecommitdiff
path: root/pdf/pdf_cmap.c
AgeCommit message (Collapse)Author
2012-07-06Remove debugging functions for release builds.Sebastian Rasmussen
2012-05-10Fix whitespace errors.Tor Andersson
2012-04-05Fix potential problems on malloc failure.Robin Watts
Don't reset the size of arrays until we have successfully resized them.
2012-03-13Rename some functions and accessors to be more consistent.Tor Andersson
Debug printing functions: debug -> print. Accessors: get noun attribute -> noun attribute. Find -> lookup when the returned value is not reference counted. pixmap_with_rect -> pixmap_with_bbox. We are reserving the word "find" to mean lookups that give ownership of objects to the caller. Lookup is used in other places where the ownership is not transferred, or simple values are returned. The rename is done by the sed script in scripts/rename3.sed
2012-03-06Split fitz.h/mupdf.h into internal/external headers.Robin Watts
Attempt to separate public API from internal functions.
2012-02-06Pass context to cmap and font descriptor functions.Tor Andersson
2012-02-01Tweak to previous pdf_decode_cmap fix.Robin Watts
More aesthetically pleasing version.
2012-01-31Fix big 692824: incorrect application of word space.Robin Watts
Word space should only be applied when the codepoint is 32, and is read from a single byte encoding region. Ghostscript gets this wrong too.
2012-01-19Multi-threading support for MuPDFRobin Watts
When we moved over to a context based system, we laid the foundation for a thread-safe mupdf. This commit should complete that process. Firstly, fz_clone_context is properly implemented so that it makes a new context, but shares certain sections (currently just the allocator, and the store). Secondly, we add locking (to parts of the code that have previously just had placeholder LOCK/UNLOCK comments). Functions to lock and unlock a mutex are added to the allocator structure; omit these (as is the case today) and no multithreading is (safely) possible. The context will refuse to clone if these are not provided. Finally we flesh out the LOCK/UNLOCK comments to be real calls of the functions - unfortunately this requires us to plumb fz_context into the fz_keep_storable function (and all the fz_keep_xxx functions that call it). This is the largest section of the patch. No changes expected to any test files.
2012-01-13Avoid premature flushing of warnings.Robin Watts
Thanks to Zeniko for this.
2011-12-16Add fz_malloc_struct, and make code use it.Robin Watts
The new fz_malloc_struct(A,B) macro allocates sizeof(B) bytes using fz_malloc, and then passes the resultant pointer to Memento_label to label it with "B". This costs nothing in non-memento builds, but gives much nicer listings of leaked blocks when memento is enabled.
2011-12-15Fix warnings/errors on unix builds.Robin Watts
Fix warnings/errors thrown up by the last few commits (which were only tested on windows).
2011-12-15Rework pdf_store to fz_store, a part of fz_context.Robin Watts
Firstly, we rename pdf_store to fz_store, reflecting the fact that there are no pdf specific dependencies on it. Next, we rework it so that all the objects that can be stored in the store start with an fz_storable structure. This consists of a reference count, and a function used to free the object when the reference count reaches zero. All the keep/drop functions are then reimplemented by calling fz_keep_sharable/fz_drop_sharable. The 'drop' functions as supplied by the callers are thus now 'free' functions, only called if the reference count drops to 0. The store changes to keep all the items in the store in the linked list (which becomes a doubly linked one). We still make use of the hashtable to index into this list quickly, but we now have the objects in an LRU ordering within the list. Every object is put into the store, with a size record; this is an estimate of how much memory would be freed by freeing that object. The store is moved into the context and given a maximum size; when new things are inserted into the store, care is taken to ensure that we do not expand beyond this size. We evict any stored items (that are not in use) starting from the least recently used. Finding an object in the store now takes a reference to it already. LOCK and UNLOCK comments are used to indicate where locks need to be taken and released to ensure thread safety.
2011-09-21Add warning context.Tor Andersson
2011-09-21Rename malloc functions for arrays (fz_calloc and fz_realloc).Tor Andersson
2011-09-15Add context to mupdf.Robin Watts
Huge pervasive change to lots of files, adding a context for exception handling and allocation. In time we'll move more statics into there. Also fix some for(i = 0; i < function(...); i++) calls.
2011-04-14pdf_cmap.c: Fix off-by-one error and check for integer overflow.Tor Andersson
2011-04-12Fix serious bug in cmap compacting -- we forgot to set the new length.Tor Andersson
This bug fix shaves another 650K off the compiled in cmaps! Also fix the detection for when the cmap table is full, and ignore surrogate pair mappings (since we can't do anything useful with them at the moment).
2011-04-09Check for overflow when adding cmap table and range entries.Tor Andersson
2011-04-04Le Roi est mort, vive le Roi!Tor Andersson
The run-together words are dead! Long live the underscores! The postscript inspired naming convention of using all run-together words has served us well, but it is now time for more readable code. In this commit I have also added the sed script, rename.sed, that I used to convert the source. Use it on your patches and application code.
2011-04-04pdf: Rename mupdf directory.Tor Andersson