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Remove unnecessary hitPageLink method from MuPDFCore and extend the
handling of external links to the java classes
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This solves the android build SEGVing on xps files such as
ECMA-288.xps.
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Previously, we had assumed that we'd only ever have one MuPDFActivity
running at once; this meant that we only had a single MuPDFCore, and
that it was safe to hold the native libraries state in global
variables.
Unfortunately, it seems that if you launch MuPDF from the apps list,
and open a file, then return to the home screen using 'Home' rather than
'Back', MuPDF is kept running in the background. Launching a PDF file
from a file manager then starts a new MuPDFActivity and things get
very confused.
The solution implemented here is first to move all the MuPDF global
variables into a 'globals' structure, and update the code to use
this. Next, we allocate this structure on 'openFile', and free it on
'destroying'. Finally, we return the pointer to this structure as a
java long from openFile, and store it in a private data pointer,
globals.
Each MuPDFCore native method can then retrieve the value of 'globals'
and get the global state back. This means that every MuPDFCore native
method must now be non-static (except isJavascriptSupported).
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Requires android-ndk-profiler to be copied into android and android/jni.
Also requires r8c of the NDK.
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Also add more detail to debug output
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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three reasons the information can be out of date.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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Also add a function to report whether the core has javascript support,
so that the additional features can be enabled only when the javascript
engine is present
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Bring up to date with current APIs, including text device changes.
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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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This adds XPS and CBZ support for free.
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I forgot to update Android and iOS projects with the extra
arg to fz_new_context. Fixed here.
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Just mirror the changes done in pdfdraw.
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Require that clients call pdf_needs_password/pdf_authenticate_password
instead. For dumb clients, we still allow for decrypting a file with
a blank password without calling those functions.
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Move coordinate space tweaks into pdf_ and xps_run_page, and provide
neutral pdf_ and xps_bound_page functions to return the page size as
a zero-origined bounding box.
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A new 'cookie' parameter is added to page rendering/interpretation
functions. Supply this as NULL to get existing behaviour.
If you supply a non-NULL cookie, then this is taken as a pointer to
a struct that can be used for simple, non-thread locked communication
between caller and library.
The entire struct should be memset to zero before entry, except for
specific flags (thus coping with future extensions to this struct).
The abort flag should be zero on entry. It will be checked periodically
by the library - if the caller sets it non-zero (via another thread)
then the current operation will be aborted. No guarantees are given as
to how often this will be checked, or how fast it will be responded to.
The progress_max field will be set to an integer (-1 for unknown)
representing the number of 'things' to do. The progress field will
count up from 0 to this number as time goes by. No guarantees are
made as to the accuracy of this information, but it should be
useful for offering some sort of progress bar etc. Note that
progress_max may increase during the job.
In general, callers should be careful to accept out of range or
invalid data in this structure as this is deliberately
accessed 'unlocked'.
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Hadn't been updated to allow for context/exceptions.
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Kammerer reports 90%+ of CPU time is spent in the image scaling code
for his documents on Android.
In this commit we provide ARM optimised cores for the common scaling
routines (1/2/4 components). Tests indicate this doubles the speed of
rendering for a bitmap heavy PDF file on an HTC desire.
This code is included if ARCH_ARM is defined. If ARCH_THUMB is defined
then extra instructions are added to ensure correct interworking.
We also update the Android jni makefiles to set these defines.
We update the ReadMe.txt with more explicit instructions and update with
more modern ndk/sdk versions.
We update build.xml in line with new sdk releases.
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The calculation of the translation due to the mediabox/cropbox was
wrong on android, causing nothing to be rendered.
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If the app was hidden, and then restarted, it would leak lots of
memory due to onCreate not only being called on create. To fix
this, we armour the app a bit aginst such problems, including
adding code to destroy the core when the app really is destroyed.
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Bring the MuPDF android build up to date with the latest source changes.
Many thanks to Dominic Battre for his helpful report in bug 692222.
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Use tabs for indentation and no extra spaces to align stuff.
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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.
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the internal classes.
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