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Initial framework for creating pdfs
This adds a create option to mutool for us to use in working
on the API for creating content as well as adding content to
existing documents.
mutool create: Get page sizes and add them
Start the parsing of the contents.txt file which may have
multiple page information. Add the pages at the proper sizes.
Further work on mutool create_pdf
Remove the calls that were being made to the pdf-write device.
Clean up several issues with the reading of the page contents.
Get the content streams for each page associated with the page->contents
Temp. created a pdf_create_page_contents procedure. I will merge
this with pdf_create_page as there is significant overlap.
Next is to add in the font and image resources and indirect references.
Include pdfcreate in build
Merge pdf_create_page_contents and pdf_create_page
Add support for images in pdfcreate
This adds images to the pdf document using a function stolen from pdf-device (send_image).
This was renamed pdf_add_image_res and added to pdf-image. Down the road, send-image will
be removed. Prior to that, I need to work on making sure that multiple copies of the same
image do not end up in the document.
Code was also added to create the page resources to point to the proper image in the document.
Next fonts will be added in a similar manner, then I will work on computing the md5 sums of
image and fonts to ensure only one copy ends up in the document. Then pdf-write will be
reworked to use the same code as opposed to its current list of md5 sums that are stored in
a device structure.
mutool pdfcreate: support for WinAnsiEncoded fonts
Added support for very simple fonts (WinAnsiEncoding). Methods
added in pdf-font.c. Added first_width and last_width to fz_font_s
and stem_v to pdf_font_desc_s.
Ran code through memento with simple test of 4 page document
creation including an image and a font. Fixed several leaks
as well as buffer corruption issues (main changes in pdfcreate).
Thanks to Robin for the help with Memento in finding leaks.
Added StemV to pdf names as it was needed for the font descriptor creation.
Fix for pdf_write_document rename to pdf_save_document
Add resource_ids to pdf document structure
The purpose of this structure will be to allow the search
and reuse of resources when we attempt to add new ones
to the document.
Fix name changes from recent updates
pdf_create branch updated to work with recent changes in master
Initial use of hash table for resources
To avoid adding in the same resource this adds a
resource_tables member to pdf_document. The
resource_tables structure consists of multiple
fz_hash_table entries, one for each resource type.
When an attempt is made to search for an existing
resource, the table will be initialized in a brute
force search for existing resources. Currently this
is only set up for the image resources and accessed
through pdf_add_image_res. If a match is found,
the reference object is returned. If no match is found
NULL is returned and the ref object created in pdf_add_image_res
is added into the hash table. In this case, a command line
such as
create -o output.pdf -f F0:font.ttf -i Im0:image.jpg -i Im1:image1.jpg \\
-i Im2:image.jpg contents.txt
will avoid the insertion of two copies of image.jpg into the
output PDF document.
CID Identity-H Font added for handing ttf
This adds a method for adding a ttf to a PDF as a
CID font with Identity-H mapping and a ToUnicode
entry that is created using FT_Get_Char_Index
This takes much care in the creation of the ToUnicode
CMap to ensure that the minimum number of entries
are created in that we try to use beginbfrange as
much as possible before using beginbfchar. The
code makes sure to limit the number of entries in
a group to 100 and to not cross first-byte boundaries
for the CID values as described in the Adobe
Technical note 5411.
Add missing file pdf-resources.c
pdf-resources.c was missing and should have been
committed earlier. Added to windows project file.
Not sure where else it needs to be added for the
other platforms.
Clean up names and spacing
Make sure that the visible functions have the proper namespace (e.g. pdf_xxxx)
Also make sure we have a blank line prior to comment.
Be consistent with static function naming in pdf_resources.c
pdfwrite make use of image resource fz_hash_table
The pdfwrite device now shares the structure that stores the
resource images for pdfcreate. With this fix, pdfwrite now
avoids duplicating the writing of the same images that are
shared across multiple pages.
Add missing file pdf-resources.c
Initial work toward having pdfwrite use Identity-H Type0 encoding for fonts
Finish of CID type0 Identity-H font for pdfwrite
This adds in the proper widths which may have been stored in the source font
in the width table (parsed from the W entry in the pdf file) or if the
free type structure has its own cmap then we can get the width from free type.
Widths are restructured into format described in 5.6.3 of PDF spec.
Fix issue from conflict merging and multiple define of structure
Clean up warnings and make mutool create use simple font
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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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Less risk of confusion with the text type used in the device interface.
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arrays
The list box and combo box can have values that are 2-element arrays. The first element
is the "export" value and the second element is the value that should be shown
in the list box UI. This fix ensures that we get the proper value to show in the UI.
Also, it adds the option to get the export values. These are needed if you wish to
update the field dictionary's V (value) entry, which is the currently selected values(s).
This fix works well with gsview. The other viewers will now display the proper content
in their UI, (unlike before this fix) but may need a bit more work to ensure that the
proper V (value) is updated with changes in the selections. In addition, we add
selection rectangles to the selected list box items.
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These headers are already included by mupdf/fitz/system.h.
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MuPDF only.
Call SetProcessDPIAware if it's available; this stops Windows
doing its own horrible scaling causing blurriness.
Also, interrogate the screen display to get the real dpi and use that
as our basis.
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Only affects EPUB and HTML.
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Add -U option to mupdf and mudraw to set a user stylesheet.
Uses a context to store user the stylesheet, just like the AA level.
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Use a placeholder document instead - just a big red 'X'.
Supposedly lots of people use MuPDF to view the output of their TeX
documents. Sometimes the compilation of the TeX document fails, and
reload results in MuPDF closing. This should allow their window to
stay open until they fix the problem and reload again.
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On windows, handle mouse wheel events as mouse events rather than
keyboard ones. This means that Ctrl-wheel zooms as expected (consistent
with Chrome etc). Also ensure that Shift-wheel changes from vertical
to horizontal.
Mouse wheel over pages that are larger than fit in the window
now scroll around the page. Once they hit the edge of the window,
the page flips to the next/previous page as you would expect.
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Update pdfapp_onkey to take modifiers. If shift is held down when
space is sent, then back up a page.
This involves updating the windows app to actually send modifiers.
Previously they were always sent as zero to the onmouse routine.
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Adopt patch from Risto Saarelma. When in presentation mode, left
and right mouse buttons flip pages forward/back.
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A few casts are required within the code, along with a few #ifdef
changes.
Some tweaks to curl are required too.
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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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win32 supports tinting, but cannot change the color from the default.
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Add a new function pdfapp_autozoom to fit the page to the window by comparing
the aspect ratios of the page and the window to choose whether to fit
horizontally or vertically.
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Use an explicit list of resolutions for +/- zoom stepping.
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Only add newlines between selected lines of text.
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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 add various facilities here, intended to allow us to efficiently
minimise the memory we use for holding cached pdf objects.
Firstly, we add the ability to 'mark' all the currently loaded objects.
Next we add the ability to 'clear the xref' - to drop all the currently
loaded objects that have no other references except the ones held by the
xref table itself.
Finally, we add the ability to 'clear the xref to the last mark' - to
drop all the currently loaded objects that have been created since the
last 'mark' operation and have no other references except the ones held
by the xref table.
We expose this to the user by adding a new device hint 'FZ_NO_CACHE'.
If set on the device, then the PDF interpreter will pdf_mark_xref before
starting and pdf_clear_xref_to_mark afterwards. Thus no additional
objects will be retained in memory after a given page is run, unless
someone else picks them up and takes a reference to them as part of
the run.
We amend our simple example app to set this device hint when loading
pages as part of a search.
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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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Based on a patch from Sebastian Neuser - many thanks.
Use mouse buttons 6 and 7 to do the same as 4 and 5, but with Y
rather than X being the default.
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Windows and X11. Allows files to be fetched and displayed
as they are downloaded both with and without linearization, using
hints if available.
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We are testing this using a new -p flag to mupdf that sets a bitrate at
which data will appear to arrive progressively as time goes on. For
example:
mupdf -p 102400 pdf_reference17.pdf
Details of the scheme used here are presented in docs/progressive.txt
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