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Hide pdf_is_hidden_ocg from the public interface.
Ensure that RBGroups and Order properly fall back to the default
entries if they are missing in the OCCDs.
Add pdf_set_layer_config_as_default. This sets the default
layer config to be current one. This destroys the current
default dictionary, but we leave the other configs intact.
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Move internal functions from public to private headers.
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Move the definition of the structure contents into new fitz-imp.h
file. Make all code outside of fitz access the buffer through the
defined API.
Add a convenience API for people that want to get buffers as
null terminated C strings.
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Correctly transformed target coordinates for PDF.
Target coordinates for EPUB and HTML.
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Add missing API comments.
Move private definitions to implementation headers or C files.
Move internal functions to implementation headers.
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Add API to:
* allow enumeration of layer configs (OCCDs) within PDF files.
* allow selection of layer configs.
* allow enumeration of the "UI" (or "Human readable") form of layer
configs.
* allow selection/toggling of entries in the UI.
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Non rectangular clips are currently handled by rendering to a
'isolated' background, and then plotting that through a mask.
This runs into problems when the rendering needs to use non
standard blend modes that need to access the background
colors.
Instead, copy the background to the new pixmap, render to that
then plot that through the mask.
This simplifies the painting code, because we now never have
mismatched source and destination alphas.
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Allows id anchoring to block elements as well as inline elements.
Fix for bug 697123.
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All link destinations should be URIs, and a document specific function
can be called to resolve them to actual page numbers.
Outlines have cached page numbers as well as string URIs.
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tests_private/pdf/sumatra/1297_-_interpolate_at_lower_resolutions.pdf
times out in the cluster.
This is due to us having empty t3 glyphs defined that define d1
rectangles that are wildly different to the default font bbox.
Add code to spot that t3 glyphs are empty, and to use a tiny font
bbox for them.
(It might be nicer to drop the empty display lists, but then this
produces knock on problems further on, where non-existent display
lists lead to NULL pixmaps, which lead to us think that renders
failed etc).
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Fixes memory leaks when parsing throws exceptions and saves a lot of
tiny mallocs for objects that have common life times.
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Removes the need to carry fz_pool along in all boxes.
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Keep to our naming conventions.
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We have various functions that, for different image formats,
write a header, then a band, then (sometimes) a trailer.
Push them all through a single interface.
This change also fixes potential problems caused by the trailer
writing being an implicit destructor, which can cause problems
in cleanup code if the trailer writing throws an error.
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This avoids us having to check the entire array each time, and
makes the next commit simpler.
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Keep them as 'FLOW' entries rather than box entries. Although
they technically enclose areas of text, we only ever use them
as points.
Thanks to Tor for fixing this code.
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Saves 12 bytes per fz_html, and we have a lot.
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Saves 8 bytes on every css_style (and we have a lot of those).
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Slightly revised blending, making use of the fact that we can
no longer overflow due to ma + masa <= 0x100.
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As part of the blending calculations, we do:
dst = src * mask_alpha + dst * (1-mask_alpha.src_alpha)
We calculate mask_alpha as ma, and 1-mask_alpha.src_alpha as masa.
In full accuracy, we should never have ma + masa >= 1.
Unfortunately, with the formulation used in the painters at the
moment, we can. We therefore rejig the calculations slightly.
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Better name as not all shadings are meshes.
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The stream loading is used only by the JS code loading.
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Use a flag in the pdf_annot struct instead.
Don't pass pdf_document to annotation edit functions.
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The implementation does not need to be in the public API.
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The fz_font structure now doesn't know anything about
harfbuzz at all, it merely offers an abstract
'fz_shaper_data_t' entry.
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Move the definition of fz_font to be in a private header file
rather than in the public API. Add accessors for specific
parts of the structure and use them as appropriate.
The font flags, and the harfbuzz records remain public.
This means that only 3 files now need access to the font
implementation (font.c, pdf-font.c and pdf-type3.c). This
may be able to be improved further in future.
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Put them in the PDF name space and separate words with underscores.
Remove redundant namespace prefixes in java constants.
Device.FLAG_MASK rather than Device.FZ_DEVFLAG_MASK.
Use namespace for PDF annotation flag enum.
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A PDF repair can be triggered 'just in time', when we encounter
a problem in the file. The idea is that this can happen without
the enclosing code being aware of it.
Thus the enclosing code may be holding 'borrowed' references
(such as those returned by pdf_dict_get()) at the time when the
repair is triggered. We are therefore at pains to ensure that
the repair does not replace any objects that exist already, so
that the calling code will not have these references unexpectedly
invalidated.
The sole exception to this is when we replace the 'Length' fields
in stream dictionaries with the actual lengths. Bug 697015 shows
exactly this situation causing a reference to become invalid.
The solution implemented here is to add an 'orphan list' to the
document, where we put these (hopefully few, small) objects. These
orphans are kept around until the document is closed.
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Including: Bug 697134: Tweak MEMENTO_GS_HACKS inclusion.
Rather than rolling our own memset prototype in this case, use
the one that gs provides.
And, bug 697133: Fix typo in Memento.
Causing a significant slowdown. Thanks to George Burgess IV
for spotting this.
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