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To prepare for color management, we have to make the device colorspaces
per-context and able to be overridden by users.
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This fixes bug #693664, and also simplifies app code.
The example file attached to the bug produces strange results, but that
is because the QuadPoint information is incorrect.
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Use of the bbox device to derive the area of the display list can lead
to bad results because of heuristics used to handle corners of stroked
paths.
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Also, in the app, protect against exceptions thrown due to unknown
annotation types.
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Also change the way we pass the text rectangles so that
non-axis-aligned ones can be permitted, and relocate the code that
calculates the strike-out lines from the bounding boxes
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Avoid heap overflow in the error case in fz_end_tile.
Avoid leaking all previously loaded annotations from pdf_load_annots
if pdf_is_dict throws an exception.
Various whitespace fixes.
Many thanks to zeniko.
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Thanks to zeniko.
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Thanks to zeniko.
Also ensure that pdf_free_annot copes with NULL.
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This is faster on ARM in particular. The primary changes involve
fz_matrix, fz_rect and fz_bbox.
Rather than passing 'fz_rect r' into a function, we now consistently
pass 'const fz_rect *r'. Where a rect is passed in and modified, we
miss the 'const' off. Where possible, we return the pointer to the
modified structure to allow 'chaining' of expressions.
The basic upshot of this work is that we do far fewer copies of
rectangle/matrix structures, and all the copies we do are explicit.
This has opened the way to other optimisations, also performed in
this commit.
Rather than using expressions like:
fz_concat(fz_scale(sx, sy), fz_translate(tx, ty))
we now have fz_pre_{scale,translate,rotate} functions. These
can be implemented much more efficiently than doing the fully
fledged matrix multiplication that fz_concat requires.
We add fz_rect_{min,max} functions to return pointers to the
min/max points of a rect. These can be used to in transformations
to directly manipulate values.
With a little casting in the path transformation code we can avoid
more needless copying.
We rename fz_widget_bbox to the more consistent fz_bound_widget.
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All these leaks were spotted by zeniko, so credit/thanks to him.
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Regenerate dirty appearance streams and report changed annotations since
last call.
Also include a partial revert of changes in 96f335bc, that turn out not
to be necessary.
fz_update_page must now be called between each document-changing event and
the next render. pdfapp.c and the android app have been updated to do so,
but do not yet take advantage of the possibility to render only the updated
areas of the screen.
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Add pdf_update_annot, which is called before rendering an annotation, and
checks that the annotation structure has correct information. There are
three reasons the information can be out of date.
Attributes of a field may have been changed such that its appearance
stream needs updating. In this case the field will have have "Dirty"
added to its dictionary
The mouse may have changed state over the field, and a different
appearance stream needs selecting. The annotation structure now records
the mouse states for which the current appearance stream is acceptable.
The field may have changed state as recorded by its "AS" value, and a
different appearance stream needs selecting.
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Conflicts:
cbz/mucbz.c
pdf/pdf_parse.c
pdf/pdf_form.c
xps/xps_zip.c
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Mountian Lion causes various different warnings to be given,
possibly because a change to clang by default. Fix them here.
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Conflicts:
Makefile
apps/mudraw.c
pdf/pdf_write.c
win32/libmupdf-v8.vcproj
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Also change first argument from fz_context to pdf_document in each
of pdf_to_utf8, pdf_to_utf8_name, pdf_to_ucs2 and pdf_to_ucs2_name
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Now reusing the internal representation of an annotation for widgets
to avoid two separate lists
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Remove unused variable, silencing compiler warning.
No need to initialize variables twice.
Remove initialization of unread variable.
Remove unnecessary check for NULL.
Close output file upon error in cmapdump.
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We now create pdf_annot objects for PDF annotations even if they have no
appearance stream (i.e. even if invisible). That is necessary because
even invisible annotations can be targets of user interaction.
This is at least a partial fix for bug 693131
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Rather than having a dedicated call to enumerate the rectangles for the
annotations on a page, add an interface for enumerating annotations
with accessor functions. Currently the only accessor function is
the one to get the annotation rectangle.
Use this new scheme in place of fz_bound_annots within mudraw.
Also use this scheme to set the caret cursor in the viewer when over
a data field.
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We add a new fz_bound_annots function (and associated pdf_bound_annots
function) that calls a given callback with the page rectangle of the
annotations on a given page. This is marked as being a 'temporary'
function, so we can remove it/change it in future if required. It
seems likely that we'll want to have some sort of 'iterate over
annotations' function eventually, and this does the job for now.
Add a -j flag to mudraw that outputs a simple mujstest script.
For each page with annotations, the script jumps to that page, then
for each annotation on the page, it sets some text to be entered,
and clicks the annotation. In the case of text fields, this will cause
the text to be entered into that text field; in the case of buttons
it will execute the button.
At the end of each page with annotations, the script is told to
snapshot the page.
These test scripts are not designed to be full tests, but they do
at least provide an easy way for us to generate scripts where
every field in our test suite is interacted with.
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Looks like my launch annotation code was incorrect, hence giving
the empty string for all FZ_LINK_LAUNCH types; fixed here.
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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
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Attempt to separate public API from internal functions.
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Currently, we are in the slightly strange position of having
the PDF specific object types as part of fitz. Here we pull
them out into the pdf layer instead. This has been made possible
by the recent changes to make the store no longer be tied to
having fz_obj's as keys.
Most of this work is a simple huge rename; to help customers who
may have code that use such functions we have provided a sed
script to do the renaming; scripts/rename2.sed.
Various other small tweaks are required; the store used to have
some debugging code that still required knowledge of fz_obj
types - we extract that into a nicer 'type' based function
pointer. Also, the type 3 font handling used to have an fz_obj
pointer for type 3 resources, and therefore needed to know how
to free this; this has become a void * with a function to free
it.
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Thanks to Zeniko for spotting the problem here.
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Various fixes to avoid overflow problems, division by zeros, use
of uninitialised variables etc. All from/suggested by Zenikos patch.
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When the page number is given by an int, rather than an indirect
reference number in a link destination, the page number is already
0 based. Remove the adjustment that I'd been incorrectly doing.
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When reading an XYZ link destination, I was writing Z over X. While
fixing this, change to cryptic enums rather than unexplained magic
numbers.
When reading the outlines out of a pdf file, better to actually store
them in a linked list rather than just dropping them.
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Move 'kind' into the fz_link_dest structure (as this makes more sense).
Put an fz_link_dest rather than just a page number into the outlines
structure.
Correct parsing of actions and dests from pdf outlines.
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Move to a non-pdf specific type for links. PDF specific parsing is
done in pdf_annots.c as before, but the essential type (and handling
functions for that type) are in a new file fitz/base_link.c.
The new type is more expressive than before; specifically all the
possible PDF modes are expressable in it. Hopefully this should
allow XPS links to be represented too.
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A couple of bits of the code SEGV in the event that values are NULL.
Fixed here by converting a do...while to a while, and adding an extra
guard in the if.
Thanks to Gaetan Bisson for the report, and patch.
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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.
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Also: use 'cannot' instead of 'failed to' in error messages.
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