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This relieves all document formats from reimplementing opening a
fz_stream unless the format wants to do something more than just
opening the raw file.
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If we fail to open a CBZ page, we were dropping the CBZ
specific part, but not the fz_page part.
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Previously it was inherently tied to zip archives and directories.
Now these are separated out into distinct subclasses. This prepares
for support for further archive formats.
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Closing a device or writer may throw exceptions, but much of the
foreign language bindings (JNI and JS) depend on drop to never throw
an exception (exceptions in finalizers are bad).
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This silences the many warnings we get when building for x64
in windows.
This does not address any of the warnings we get in thirdparty
libraries - in particular harfbuzz. These look (at a quick
glance) harmless though.
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Use a macro to make fz_new_document nicer (akin to
fz_malloc_struct).
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Add fz_has_permission function to fz_document.
Add fz_lookup_metadata function to fz_document.
Remove fz_meta function from fz_document.
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fz_open_file does not return NULL on failure -- it throws an exception!
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Purge several embedded contexts:
Remove embedded context in fz_output.
Remove embedded context in fz_stream.
Remove embedded context in fz_device.
Remove fz_rebind_stream (since it is no longer necessary).
Remove embedded context in svg_device.
Remove embedded context in XML parser.
Add ctx argument to fz_document functions.
Remove embedded context in fz_document.
Remove embedded context in pdf_document.
Remove embedded context in pdf_obj.
Make fz_page independent of fz_document in the interface.
We shouldn't need to pass the document to all functions handling a page.
If a page is tied to the source document, it's redundant; otherwise it's
just pointless.
Fix reference counting oddity in fz_new_image_from_pixmap.
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Rename fz_close to fz_drop_stream.
Rename fz_close_archive to fz_drop_archive.
Rename fz_close_output to fz_drop_output.
Rename fz_free_* to fz_drop_*.
Rename pdf_free_* to pdf_drop_*.
Rename xps_free_* to xps_drop_*.
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We end up trying to scale the JPEG up 72 times and fail a malloc.
A better plan is to make the image handler disbelieve any xres or
yres values less than 72dpi. We take care to still preserve aspect
ratios etc.
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C89 code is preferable to gcc code; define variables at the start of
blocks.
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MSVC complains about using const char** as argument to qsort or free
which both expects pointers to (pointers to)* non-const values. Adding
type casts fixes the warning.
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Don't rely on the csize and usize fileds being set in the individual
entry headers.
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Bug 695377.
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If the two arguments to cbz_strnatcmp are equal (except for leading
zeros), cbz_strnatcmp reads beyond the buffer until it finds differing
bytes or enters a non-readable memory page.
TODO: Should sorting "test01" and "test1" lead to a stable sort order?
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Sort case insensitively in this order:
page-1.jpg
page-2.jpg
page-10.jpg
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We define a document handler for each file type (2 in the case of PDF, one
to handle files with the ability to 'run' them, and one without).
We then register these handlers with the context at startup, and then
call fz_open_document... as usual. This enables people to select the
document types they want at will (and even to extend the library with more
document types should they wish).
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These warnings are caused by casting function pointers to void*
instead of proper function types.
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Some warnings we'd like to enable for MuPDF and still be able to
compile it with warnings as errors using MSVC (2008 to 2013):
* C4115: 'timeval' : named type definition in parentheses
* C4204: nonstandard extension used : non-constant aggregate initializer
* C4295: 'hex' : array is too small to include a terminating null character
* C4389: '==' : signed/unsigned mismatch
* C4702: unreachable code
* C4706: assignment within conditional expression
Also, globally disable C4701 which is frequently caused by MSVC not
being able to correctly figure out fz_try/fz_catch code flow.
And don't define isnan for VS2013 and later where that's no longer needed.
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The SVG device needs rebinding as it holds a file. The PDF device needs
to rebind the underlying pdf document.
All documents need to rebind their underlying streams.
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Rely on the document creator to have sorted them rather than risk
getting the wrong page order.
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