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Thanks to zeniko.
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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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Thanks to SumatraPDF.
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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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Prevents segfaults when revisiting pages and trying to
access the link object that was freed too early.
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Update xps path handling to cope with URLs.
Fix premature freeing of links.
Spot remote URLs and use appropriate link type.
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Currently, this only works with local links.
When running the page, check for NavigateUri entries; if found,
and that page is not already marked as having resolved it's links,
add a new link entry to doc->current_page links. When the page
finishes running, mark the page as having resolved it's links.
This avoids the links being generated multiple times.
Update the mupdf viewer to use these links - but only AFTER the
page has been run.
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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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In error cases, ensure we free objects correctly. Thanks to Zeniko
for finding the problems (and many of the solutions!)
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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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Mostly redoing the xps_context to xps_document change and adding
contexts to newly written code.
Conflicts:
apps/pdfapp.c
apps/pdfapp.h
apps/x11_main.c
apps/xpsdraw.c
draw/draw_device.c
draw/draw_scale.c
fitz/base_object.c
fitz/fitz.h
pdf/mupdf.h
pdf/pdf_interpret.c
pdf/pdf_outline.c
pdf/pdf_page.c
xps/muxps.h
xps/xps_doc.c
xps/xps_xml.c
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This frees us from passing errors back everywhere, and hence enables us
to pass results back as return values.
Rather than having to explicitly check for errors everywhere and bubble
them, we now allow exception handling to do the work for us; the
downside to this is that we no longer emit as much debugging information
as we did before (though this could be put back in). For now, the
debugging information we have lost has been retained in comments
with 'RJW:' at the start.
This code needs fuller testing, but is being committed as a work in
progress.
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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.
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Import exception handling code from WSS, modified to fit into the
fitz world.
With this code we have 'real' fz_try/fz_catch/fz_rethrow functions,
handling a fz_except type. We therefore rename the existing fz_throw/
fz_catch/fz_rethrow to be fz_error_make/fz_error_handle/fz_error_note.
We don't actually use fz_try/fz_catch/fz_rethrow yet...
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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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