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Code MUST pass a non-null context to all functions.
Checking ctx for null and failing silently is no more useful
than segfaulting.
fz_keep_imp and fz_drop_imp handle NULL pointers safely, so
the NULL checks for this can also be dropped at the same time.
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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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Intended as a fix for bug 697123, but the problem turns out to
be something else entirely. Nonetheless, this is worth having.
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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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We want to turn pdf_page into a thin wrapper around a pdf_obj, so that
any updates to the underlying PDF objects will be reflected without
having to reload the pdf_page.
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Use a macro to make fz_new_document nicer (akin to
fz_malloc_struct).
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This commit adds a page merging tool. The tool demonstrates the
use of object grafting. The object grafting function recursively
goes through the object to add all referenced objects. A map is
maintained to ensure that objects that have already been copied are
not copied again.
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To be moved into a new document writer interface later.
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In preparation of adding pdf_write_document that writes a document
to a fz_output stream.
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Separate naming of functions that save complete files to disk
from functions that write data to streams.
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Get separation information out to the Java level.
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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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Trigger the default layout when needed, but only if no manual layout has
been done. This avoids doing a pointless double layout (once with default
when loading the document, then with the manual layout call with the
desired layout options).
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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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Add a new class of errors and use them to abort interpretation when
the test device detects a color page.
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Split functions out of pdf-form.c that shouldn't be there, and make
javascript initialization explicit.
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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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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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The pdf_ versions were already correct. Probably just an
oversight that this was missed.
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