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This has knock on effects in the store.
fix
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Omitting the unlisted UTF-8 and UTF-32 CMaps saves ~1M.
Omitting the unlisted other CMaps saves ~200k.
Define CJK_CMAPS=0 to skip all CMaps.
Define EXTRA_CMAPS=1 to include the various other CMaps.
Define UTF8_CMAPS=1 and UTF32_CMAPS to include the UTF-8 and UTF-32 CMaps.
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Lab colorspaces had been broken due to incorrect clipping of
color values introduced in an effort to fix Bug 696796.
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Update the test device so it can be used 'wrapping' another
device.
In particular, it can be used to wrap the display list device
so that we can evaluate 'color or not' while building the
display list rather than having to rerun the display list
afterwards.
Also, give improved control over whether we test every pixel
of images/shadings.
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memory.h isn't part of the C standard, and Xcode was getting upset
when building mupdf as a module:
error: include of non-modular header inside framework module
'MuPDF.mupdf.memento'
[-Werror,-Wnon-modular-include-in-framework-module]
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We store an hb_font in every font, and currently have fz_drop_font
know to call harfbuzz to destroy it. This causes harfbuzz to be
included even in builds that never use it.
We improve this situation by storing both an hb_font, and a
function pointer to destroy it within fz_font. This costs us
an extra pointer per fz_font, but solves the problem.
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Introduce FZ_PLOTTER defines to set which defines we required.
Add FZ_ENABLE define to set which document handlers are built
by default.
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Use this for plotters so we can see which ones are being used
in any given build.
Build with -DTRACK_USAGE to enable.
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PAM output was broken in the absence of alpha. Fixed now.
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Try and help C avoid pointer aliasing issues. Some of this may not
help at all. None of it should hurt though.
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fz_pixmaps now have an explicit stride value. By default no change
from before, but code all copes with extra gaps at the end of the
line.
The alpha data in fz_pixmaps is no longer compulsory.
mudraw: use rgb not rgba (ppmraw), cmyk not cmyka (pkmraw).
Update halftone code to not expect alpha plane.
Update PNG writing to cope with alpha less input.
Also hide repeated params within the png output context.
ARM code needs updating.
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Add some paranoid checks to pdf_graft_object to prevent user
errors from crashing mupdf.
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Language bindings sometimes require objects to be reference counted.
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Use comma-separated list of flags and key/value pairs, for
example: "linearize,resolution=72,colorspace=gray"
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It is not used by mupdf itself and was added in commit
9915a386ea1dab21c5bbd4a0c8012dd13dbda301 to make it easier for
sumatrapdf, but sumatrapdf has stopped using the interface.
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This makes it possible to redirect standard out and standard error output
streams to output streams of your liking.
This means that now you can, in gdb, type:
(gdb) call pdf_print_obj(ctx, fz_stdout(ctx), obj, 0)
(gdb) call fflush(0)
or when dealing with an unresolved indirect reference:
(gdb) call pdf_print_obj(ctx, fz_stdout(ctx), pdf_resolve_indirect(ctx, ref), 0)
(gdb) call fflush(0)
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And improve the header file commenting.
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I was using fz_compressed_image when I should have been using
fz_pixmap_image.
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Split compressed images (images based on a compressed buffer)
and pixmap images (images based on a pixmap) out into separate
subclasses.
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Move from ints to bits where possible.
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For now, just use it for controlling image decoding and image scaling.
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Update the core fz_get_pixmap_from_image code to allow fetching
a subarea of a pixmap. We pass in the required subarea, together
with the transformation matrix for the whole image.
On return, we have a pixmap at least as big as was requested,
and the transformation matrix is updated to map the supplied
area to the correct place on the screen.
The draw device is updated to use this as required. Everywhere
else passes NULLs in, and so gets unchanged behaviour.
The standard 'get_pixmap' function has been updated to decode
just the required areas of the bitmaps.
This means that banded rendering of pages will decode just the
image subareas that are required for each band, limiting the
memory use. The downside to this is that each band will redecode
the image again to extract just the section we want.
The image subareas are put into the fz_store in the same way
as full images. Currently image areas in the store are only
matched when they match exactly; subareas are not identified
as being able to use existing images.
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The handling of not-decompressing images/fonts was geared towards
pdfclean usage; but now that we can create new PDF files, it makes
more sense to ask for images and fonts to be compressed, rather than
asking for them not to be decompressed with quirky interaction with
the 'expand' and 'deflate' flags.
If -f or -i are set, we will never decompress images, and we will
compress them if they are uncompressed.
If -d is set, we will first decompress all streams (module -f or -i).
If -z is set, we will then compress all uncompressed streams.
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Garbage collected languages need a way to signal that they are done
with a device other than freeing it.
Call it implicitly on fz_drop_device; so take care not to call it again
in case it has been explicitly called already.
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Use a macro to make fz_new_document nicer (akin to
fz_malloc_struct).
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Resources are defined before they are used; so it's only logical to
have the resource dictionary before the content buffer in the argument
list.
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Only supports CBZ writing for now.
Also add a zip file writer.
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fz_read_int32_be.
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Does not support page-break-before/after: avoid.
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svg: Implement graphics state stack.
svg: Use idmap for symbol and use elements.
svg: Put viewport and viewBox in state stack.
svg: Rebase to version 1.9 master.
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markup_dir being a signed 2-bit int meant that it could not
represent FZ_BIDI_NEUTRAL without overflow; so we always ended
up creating a new text span for each glyph with that directionality.
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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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The DP and BDC operators, are used in the form:
<NAME> <PROPERTIES> <OPERATOR>
where <PROPERTIES> can either be a name (that can be looked
up to get a dictionary) or an inline dictionary.
What the spec doesn't say is that the two are not
interchangeable. If you resolve the name to an inline
dict, then insert it, Acrobat will give an error for
some (but not all) cases.
The interpreter currently resolves any references, and
passes the resolved version into the operator handling
function. This precludes us outputting the original
form.
We therefore update it to pass both the raw and the cooked
versions in. This has no effect on MuPDFs own handling of
anything, it just enables the buffer device to output
a correct stream.
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Caused by a mismatch in the annotation creation/loading code.
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