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Change the fz_store to be limited to 256 Megs. Remove the soft limit
for pixmaps; the store will automatically throw old resources away
to stay below the limit.
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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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All image loading functions call the new fz_new_pixmap_with_limit
allocation function, which will return NULL if the total amount of
pixmap memory would exceed a set limit. Other vital pixmap allocations
which are not as easily recoverable (such as font rendering, and the
various buffers in the draw device) ignore the limit.
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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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