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2017-09-25Introduce sanitize-relase build target.Sebastian Rasmussen
Sometimes ASAN issues only occur if optimization is enabled. This build target allows for testing under these conditions.
2017-06-22Add Color Management interface to MuPDF, with LCMS implementation.Michael Vrhel
This commit adds an interface for a color management engine to MuPDF, together with the internal changes required to use it. We also add an implementation of this interface using the LCMS2 library. This commit is the "lcms" development branch squashed to a single commit. The individual commits that make it up are as follows: ------ Add LCMS2 submodule. Add required source files to MSVC libthirdparty project. Plus changes to the Makefile. ------ Change name of libfont to libresources The library can hold things other than fonts including ICC profiles and eventually halftone screens etc. ------ Generate and include icc profiles on windows solution Makefile for linux needs to be updated ------ Initial cut at interface to little cms Methods for getting profile handles, link handles and transform buffers as well as individual colors. ------ Install ICC profiles from source When the source color space is an ICC profile install the ICC space. Use alternative color space if ICC is invalid. ------ Rename ICC resources The way that fontdump generates the names was causing some redundant prefix/suffix combinations. ------ Make resource ICC profiles usable This brings in the resource profiles for use with the target device. When mudraw is invoked with the icc color type, it will set up the target pixmap to have an icc based color space. ------ Make Default ICC color spaces not storable The ICC color spaces in the color context should not be put into the store. ICC color spaces that are contained in the source document are however storable. ------ Add in support for single color conversion This adds in the selection of the icc single color converter. Note that we may want to look at using the float conversion in lcms here since we are going from and to float. The down side is that the creation of such converters may be expensive. ------ Pixmap ICC conversion Also clean up and further simplify some of the code. Use common dst, src in function parameters instead of src, dst. ------ Add md5 calculation for profiles Compare md5 of source and destination. If they are the same set link as identity and do not bother creating link from cmm. ------ Initial attempt at adding links to store Next need to make sure I have all the dropping set up correctly and that the links are getting freed when we are all done with them. ------ Add drop for link Make sure that we drop the links when we are done with them. ------ Fix icc link store ref. counting + rendering intent The key allocations, rc and removal was wrong for the icc links. Also added in support on the graphic state for rendering intent. ------ Add ICC profiles to Makefile. ------ Move ICC profile loading to colorspace.c ------ Fix build on linux. ------ Use hexdump in creating icc profiles ------ First cut at CalRGB CalGray handling These color spaces are converted to equivalent ICC profiles when the drawing operation occurs. ToDo still is avoid creating brand new CalGray, CalRGB or ICC color spaces when we encounter the same object in the source file. Instead we should make use of the store. ------ Adding fz_color_params into device API Stroke and fill of paths and text which will have color rendering related settings including overprint, overprint mode, rendering intent and black point settings. Images have a fz_color_params member added to them. ------ Rendering intent support for graphic and text Graphic fills and strokes as well as text fill and strokes handle the rendering intent settings. This works through the display list. The parameters related to color rendering, ri, bp, op, opm are packed in the flags bits through the display list. To do: Add support for images and shadings. ------ Add support for rendering intent with images Required change to fill_image api, hence the large number of files touched. ------ Add support for shadings rendering intent and DeviceN This adds support for the rendering intent in shading fills. Also, adds in support for color management of DeviceN and Separation color spaces where the base space is defined to be ICC. ------ Add clamping proc to colorspace-imp.h In the head of mupdf, the index color values were not being clamped properly. I moved the clamping operation to be performed by a procedure in of the color space. The a*, b* values in LAB will need to include a range value for proper clamping as well as the ICC color space at some point. ------ Fix assert test with index images ------ Support for DeviceN images color managed The base space for DeviceN and separation images is now color managed when the ICC work flow is used. ------ Add DefaultGray etc to names.txt The DefaultGray, DefaultRGB, and DefaultCMYK settings in the pdf page resource dictionary need to be parsed and handled if present. ------ Remove methods for setting color space in context The methods that existed for setting the color spaces in the color space context were broken and we will not be changing them from their initial setting at startup. ------ Add front end support for default color spaces PDF can specify in the resource dictionary color spaces that should be used for DeviceGray, DeviceRGB and DeviceCMYK. This commit handles the extraction of these color spaces and passes them through the display list and gets them into a structure on a draw device (if one is used). Next step is to have the draw device make use of them. ------ Backend of default color spaces This handles the use of page level definitions for DefaultGray, DefaultRGB, DefaultCMYK in the draw device. The interface for the pixmap color conversion had to be expanded a bit to pass the default_cs object. This was needed due to the fact that the image could be DeviceN or Separation and have a base space that needs to be replaced by a page level Default color space. Tested this with a file that had two pages each with an common reference image object but different DefaultCMYK definitions in the page resource dictionary. Proper rendering was obtained. ------ Add icc support to band-writer and png output For image viewers that support icc profiles, it is important that we include the icc profile into those formats that support. Currently the only output format we have that supports it is PNG. But if we decide to do tiff, jpeg or psd those also support the embedding of icc profiles. ------ Work toward multithreading Each cloned context creates a new cmm context to reduce contention. This may not be optimal though as it may create conflicts in any shared store. ------ Add missing files. Failed to check in icc-imp.h and icc34.h ------ Fix default device color calls copy and paste errors. ------ Fixes ------ Fix clamping of lab colors The lab colors when used with the lab resource profile need to be properly clamped and scaled. ------ Turn off ICC create debug define ------ Fix memory leak issues ------ Set clamp proc in color context color spaces When NO_ICC is enabled there was an issue as the default spaces did not have the clamp proc (which was added in the lcms branch). ------ Fix several issues after rebase During rebase of the branch there were several issues that came up. In addition there was a fix related to the use of the lcms2 context branch that did not make it in for some reason. ------ Fix for fz_store_type structure changes ------ Fixes for multithreaded This fixes a few issues. One issue is that we can not be changing the input and output formatter for the links if they are being shared among threads. This adds the format as part of the link definition. Next step is to create a link clone operation in lcms so that we can readily create a different one with everything the same except the formatter. Also, this shares the profiles that exist in the color context among the threads. When a context is cloned, it will use the profiles in the current context but it will create a new cmm context.c ------ Fix NO_ICC issues There were a few issues that occurred when we compiled and ran with the NO_ICC setting. ------ Change CMM to use lower resolution tables in links The table resolution greatly affects the performance for some files. I don't see any significant color rendering issues going with a lower resolution. Selecting cmsFLAGS_LOWRESPRECALC uses a MLUT resolution of 17. This is going to be sufficient color wise and gives a large improvement performance wise especially for files where the color link creation is significant compared to the rendering. ------ Fix link key creation to populate alpha and bit depth. The store key for icc links needs to include the bit depth and if the transform has to handle an alpha value. This is needed due to the fact that we can't change the formatter when we are sharing links among different threads. ------ Pull in some MSVC 2005 fixes for lcms2 ------ Fix non-prototype prototype. ------ Miscellaneous typos, whitespace fixes. ------ Tidy colorspace creation API. Rather than pass a magic implementation reference count value (-1 for static, 1 for normal), pass a boolean "is_static" flag. This gives a nicer API (IMAO etc). ------ Make all colorspaces use an fz_buffer. ------ Fix internal naming of MSVC project file. ------ Fix some error handling. ------ Add some consts. ------ Tweak fz_color_params and fz_store_hash. Use uint8_t for fz_color_param entries - no need to use larger. Same change in fz_store_hash. This limits the size required for the hash table too. ------ Throw on errors, rather than returning NULL. fz_cmm_transform_pixmap should throw if it's fed pixmaps incompatible with its transforms. fz_cmm_new_ctx should throw if the cmm fails to initialise. ------ Ensure LCMS2_OBJs are built/linked using Makefile. Also ensure that ICC_OBJs are included. ------ Fix some unused variable warnings. ------ cs_params fixes. Use the ones that are passed. ------ fz_color_params tweaks. Make them const in many places. Cope with cs_params == NULL meaning default (i.e. fz_cs_param(ctx)). Minimise the places we call fz_cs_params(ctx). Consistently use cs_params rather than a mix of cs_param and cs_params. ------ Improve PDF color params handling. PDF allows different OP settings for strokes and fills. This means that either we need to keep separate entries in each fz_color_param structure for the stroke one or the fill one, OR we need to duplicate the fz_color_param structure. It seems neatest to do the latter (not least because this means we don't pass more information to each device function than it actually needs). Accordingly, we put an fz_color_param in each pdf_material. We update the code that reads ExtGStates to set the values appropriately. We take the opportunity to add support for the PDF 2.0 UseBlackPtComp option too. ------ Fix colorspace ref count problems. 1) Don't drop colorspace until we've finished using it. 2) Don't drop it twice. ------ Convert NULL deref into a thrown error. Seen with: mutool draw -D -o out.png ../tests_private/comparefiles/Bug689760.pdf We seem to have a pdf-cal space with no profile. Talk to Michael about this. ------ Avoid using colorspace names to distinguish colorspaces. Using strcmp is slow. ------ Cope with failure to parse default colorspaces during PDF page load. ------ Avoid SEGV due to to pdf_cal space with no profile. As seen in: tests_private/pdf/PDFIA1.7_SUBSET/CATX4879.pdf ------ Handle cases where base space of sep is pdf-cal We handled this for images, but not for solid fills. ------ Accelerate ICC color conversion. ------ Cope with indexed images in the color management. Some images (JPX images) come to the cm code still in the indexed color space. Their base space could be DevN so we need to cope with multiple base decodes. This continues the decode until we get to a space for which we can create an ICC link. ------ Ignore alpha presence in component count check ------ Eliminate recursion in fz_source_colorspace_cm. ------ Cope with bare ICCBased colorspace defs. Bug692137.pdf has ICCBased colorspaced definitions given directly as a stream, rather than as [ /ICCBased <stream reference> ] Acrobat copes with these, as does gs. We therefore update our code to cope too. Also, the PDF spec says that any problems found when reading the Default spaces should be ignored (or at least not to abort rendering). Update our code to do that too. ------ Tweak color converter logic for speed. When we are using an icc profile based conversion, avoid ever having to lookup the color converter for each conversion call; do it at the lookup stage. ------ Harden us against failures during ICC link creation. Seen with corrupted profiles. ------ Fix for handling alpha with lcms. Note that this currently maintains an alpha when it is present. We may need to do some work for the gray scale conversion to alpha mask. ------ Delay pdf-cal profile creation Put the creation of the pdf cal profile into the link creation function (rather than have it scattered). Also be robust in the condition of failure to create the profile. ------ Proper clamping with embedded CIELAB ICC profile If the ICC profiles alternate color space is LAB then use the LAB clamping proc. ------ Use the color space clamp when converting to base color spaces In many of the Ghent test files, we have a DeviceN image whose alternate color space is CIELAB. We need to make sure to use the CIELAB clamping operation in this case. ------ Make ICC runtime configurable. Add fz_icc_flowflow, fz_set_icc_workflow functions to read ICC workflow state, and set the ICC workflow state. The latter will throw an error if trying to enable ICC workflow in a NO_ICC build. Add -N flag to mutool to disable ICC. Incorporates build fixes from Michael. ------ Ensure fz_draw_fill_image uses the pixmap colorspace It appears that the image colorspace historically has been able to differ from the pixmap colorspace. While we've fixed the cases that we know about for this (see the previous commits), tweak fz_draw_fill_image to work the way it always has in the past. ------ Add support for output intent PDF documents can have an ICC profile defined in their Catalog which defines the output color space and the color space to use for one of the Device color spaces (e.g. DeviceGray, DeviceRGB or DeviceCMYK). ------ Catch errors in default color spaces Before setting the default color space contained in the file, make sure it is the correct type. Bug692213.pdf ------ Clamp to base space during sep color conversion This was the source of a problem when the base space was CIELAB. ------ Rename some functions to be more MuPDFy drop rather than free etc. ------ Fix "casting away const" warning. srcv is a const *. Do the clamping operation on src_map (the same value) before it is assigned into the const variable. ------ Rejig top level color management interface slightly. Same code, just change the encapsulation. ------ Remove pre-multiplied alpha prior to color management The pixmaps in mupdf use a premultiplied alpha format. Prior to doing any color management we need to undo the alpha and then reapply after color management. ------ Remove global output intent as unused. ------ Move fz_color_params to be the final arg in dev calls. Frequently this will be NULL, and it doesn't form part of the colorspace/color/alpha triple. ------ Rename fz_default_xxx static variables. Remove fz prefix, to prepare for a later renaming that would conflict. ------ Rename cs_params to color_params. ------ Rename lcms branch identifiers. ------ Return device colorspaces if the default colorspace is NULL. ------ Clean up device call function for set_default_colorspaces. ------ Add missing rethrow. ------ Load page default colorspaces lazily. ------ murun: Add color params device argument. Stubbed to always be NULL at the moment. ------ Rename extgstate processor ops. ------ Fix a few minor issues from Tor Removes icc-imp.h Rename color-icccreate.c Add context to some methods ------ Fix javalib with recent lcms dev changes. ------ Update lcms2 with sub project fixes. ------ Fix build failure. ------ Add icc profile into other PNG output methods ------ Fix some ints that should be size_t's. ------ Tweak fz_new_icc_data_from_icc_colorspace. Ensure that the colorspace is const, and that we set size to 0 if we don't find any data. ------ Combine band writer methods for header and ICC writing For many formats (like PSD), we need to delay writing some of the header until we know whether we are getting an ICC profile to write or not. Makes more sense to just write them at the same time. ------ Miscellaneous tweaks in colorspace.c Mainly to avoid pointer aliasing, "nicer" whitespace, and a leak on error. ------ Avoid rightward drift in get_base_icc. ------ Ensure that pdf_load_output_intent copes with exceptions. If load_icc_based throws and exception, warn and continue. Don't not render a file just because the inbuilt default profiles are broken. ------ Revert change in pdf-page.c The page resources load had been moved so we could get the default colorspaces, but this has been moved into run_contents, so putting stuff back as it was before. ------ Revert changes in mudraw. We had added some colorspages in mudraw, and then later removed them. Revert the changes to accomodate this to make the overall branch diffs smaller. ------ Use fz_buffer in color-icc-create.c ------ Force mapping through proof icc profile always. ------ Fix behaviour on fz_cmm_new_profile failure. If the profile fails to be made, return an error code, and have the callers take sane steps. ------ Tweak load_icc_based Cope better with errors in reading the ICC space not stopping us loading the alternate. ------ Remove unused variable. ------ Get page resource for DefaultCS look-up res = pdf_dict_get(ctx, PDF_NAME_Resources, page->obj); was not returning resource. Replaced with res = pdf_page_resources(ctx, page); ------ Move default color space set up to pdf_run_page_contents_with_usage ------ Review fixes for lcms branch. ------ Fixes for calibrated colorspace loading. ------ Add fz_document_output_intent wrapper. Lazy load intent for PDF. ------ Copy DefaultCS logic into pdf_run_annot_with_usage. Same code as from pdf_run_page_contents_with_usage. ------ More review fixes. ------ Avoid rightward drift in pdf_load_cal_common ------ Rename color_converter functions to be find/drop. Better than than lookup/discard. lookup suggests something that doesn't need dropping, and we use drop rather than discard by convention. ------ Move cmm from context into colorspace context. ------ Review fixes: Remove recursion and rename functions. ------ Don't access doc->oi directly in pdf_load_default_colorspaces. ------ Rename fz_colorspace_is_pdf_cal to fz_colorspace_is_cal and make it public. ------ Tweak function naming to be more consistent. ------ fz_md5_icc can be implemented using fz_md5_buffer. ------ Print full md5 checksums in link key debug prints. ------ Make fz_md5_buffer NULL safe. ------ Simplify debug saving of ICC profiles. ------ Rename fz_cmm_new/drop_profile to init/fin. ------ Indentation cleanups. ------ Move CMM static inline functions from private header to C file. ------ Tweak fz_icc_data_from_icc_colorspace to return a buffer. Also, remove the _new_ from the name to reflect the fact that we are passed a borrowed handle, not given a new reference. ------ java: Add ColorParams.pack() function. ------ Generate one C file for the embedded ICC profiles. ------ Return const pointer from fz_default_color_params. ------ Change misleading argument names to fz_new_colorspace. ------ Rename fz_cmm_new/drop_link to fz_cmm_init/fin_link. ------ Change definition of fz_cmm_instance. Rather than void, use an undefined struct in keeping with the rest of the code. ------ Add support for color managed bgr color space ------ Return unsigned char array from fz_lookup_icc. ------ Make default_color_params immutable. Changing the defaults used by the draw device should happen via a device call, should we need the functionality in the future. ------ Clean up error handling in color-lcms.c ------ Fix signed/unsigned warning.
2017-05-25Add -Wdeclaration-after-statement.Tor Andersson
This warning should help us not break Windows builds when working on Linux. Clang claims to support this warning, but seems to silently ignore it. To get any use from this we should make sure to test build with GCC.
2017-05-04Fix macOS build.Tor Andersson
2017-03-22Clean up makefiles.Tor Andersson
2017-03-15Only include pthread library when needed.Tor Andersson
Rename HAVE_PTHREADS to HAVE_PTHREAD to match naming of other defines, where the macro is named after the library that is linked.
2017-01-19Use static assignments in Makerules.Tor Andersson
2017-01-18Detect MSYS2 as a MinGW build in Makerules.Tor Andersson
2017-01-17Only use openssl 1.0.1t and earlier.Tor Andersson
Later versions are incompatible with how we call it.
2017-01-17Automatically turn on PACIFY_VALGRIND for debug builds.Tor Andersson
Add 'build=valgrind' configuration.
2017-01-09Be consistent in use of DEBUG/NDEBUG macros.Tor Andersson
Only use NDEBUG as it's the one that most environments already set, so is likely to lead to the least amount of confusion if compiling with a custom build system.
2016-11-17Detect openssl to support https when using curl.Sebastian Rasmussen
2016-11-17Rename openssl flags to libcrypto.Sebastian Rasmussen
Only libcrypto is used to do checking of digital signatures. The SSL library openssl is never used.
2016-11-14gl: Add macOS support.Tor Andersson
2016-07-13Bug 696493: Fix MINGW build of viewer.Robin Watts
Adopt patch from Tamir Evan. Many thanks.
2016-07-13Bug 696910: Fix MINGW build.Robin Watts
Additional flags/compiler settings required for successful building on MINGW due to harfbuzz's use of strdup.
2016-06-13Bug 696831: iOS/OS X support for size optimizationsJoseph Heenan
2016-06-06Add build=small target, optimizing for size.Tor Andersson
Compile with -Os, -ffunction-sections, -fdata-sections and link with --gc-sections and -s (strip) to include only the functions and data tables actually required.
2016-04-27Guard setting pkg-config variables with --exists.Tor Andersson
2016-04-05Add threaded operation to mudraw.Robin Watts
2016-03-31Reorganize java and android source.Tor Andersson
platform/java and platform/android are reorganized: platform/java The new JNI Java classes, mupdf_native.{c,h}, Makefile and Makejar. platform/java/example The example desktop viewer classes. platform/android/viewer The original demo viewer. ndk-build is used to build libmupdf_java.so, making reference to mupdf_native.{c,h} in platform/java.
2016-03-23Don’t include openssl by default in the OS X build.fredrossperry
2016-03-22Add Google Perf Tools build.Robin Watts
"make build=gperf" will now build and link the google perf tools library into mutool. When mutool is then run, a mutool.prof file is dropped into the current directory that can be analysed.
2016-03-15Memento: Fix specification of -ldl in memento builds.Robin Watts
Use LIBS, not LDFLAGS to ensure that the lib appears at the end of the link line.
2016-03-07Memento: Store/display backtraces with blocks.Robin Watts
If built with MEMENTO_DETAILS (on by default), we store the backtrace on every event that affects a block. Memento_details(address) will display the events that affected a block (typically malloc, {realloc}*, free), including the backtrace at each point. Windows and linux use different mechanisms for this. Windows loads a DLL and calls windows specific functions - no extra libraries are required. Linux also loads a shared object (libbacktrace.so). This is not present on all platforms, so on platforms where it is not available we just get addresses. These can be converted using addr2line (unless ASLR is enabled). In order for linux to be able to load libbacktrace.so we link in libdl. If this is not available, define HAVE_LIBDL=no when building the memento target.
2016-02-10Add build=sanitize option to makefile.Tor Andersson
2016-02-10Add system harfbuzz pkg-config flags to makefile.Tor Andersson
2016-01-05gl: Remove unused GLUT variables from makefiles.Tor Andersson
2015-10-06glut: Simple viewer using GLUT and fixed function OpenGL.Tor Andersson
2015-10-02Bug 696117: Add NaCl cross compile rules.Robin Watts
Add NaCl cross compile rules to Makerules (together with a tiny header tweak). Thanks to Robert Bamler for the rules to include.
2015-05-15Add Makefile flag for building large file variants.Robin Watts
Use: "make largefile=yes" to force largefile support on. At the moment it defaults to off.
2015-03-25Bug 695854: Enable building of MuPDF viewer using MINGW.Robin Watts
Based on changes supplied by mt-82@gmx.org, but bent to be more in keeping. The actual building with MINGW is untested. We merely verify that these do not break the existing builds. With a bit of luck they should work though.
2015-03-20First attempt at mupdf tizen build.Robin Watts
2014-05-08Fix curl build with thirdparty module when system curl is available too.Tor Andersson
2014-05-07Fix 694428: use system CURL library if available.Tor Andersson
2014-04-23Fix 693518: update Makerules and debian/controlTor Andersson
Debian doesn't have libopenjp2 as a package (whereas gentoo does) so I've removed it from the control file. You'll need to use the thirdparty submodule for openjpeg2 until such a time as it exists.
2014-03-25Add MuJS submodule, implementation and build.Tor Andersson
Adds simpler choice of Javascript library to makefiles. Will prefer in order: MuJS, JavaScriptCore, V8, none based on HAVE_MUJS, HAVE_JSCORE, and HAVE_V8. For simplicity, we build mujstest even with no javascript implementation.
2013-11-11Remove unneccessary CURL_CFLAGS from non-curl make targets.Tor Andersson
2013-09-08ios: Clean up project file.Tor Andersson
Strip stupid project build settings. Add proper "make generate" target that uses the 'macosx' sdkroot. Rewrite cross compile build script to be more future proof.
2013-08-14Fix build of curl on macosx.Tor Andersson
Only build mupdf-x11-curl if the curl thirdparty library exists.
2013-07-11Prepare for multiple viewer application targets in makefile.Tor Andersson
2013-06-17Add support to build command line tools on MINGW.Tor Andersson
Tested with msysgit 1.8.3 environment.
2013-05-29Add rules to configure and build openssl if it is present in thirdparty.Tor Andersson
Also sets the -DHAVE_OPENSSL flag.
2013-05-29Clean up thirdparty / system library makefile variables.Tor Andersson
2013-04-29Correct pkg-config dependency to libopenjpeg1Sebastian Rasmussen
2013-04-23Fix pkg-config issues.Tor Andersson
Only evaluate pkg-config variables if using system libraries, using a := assignment in Makethird. This silences warnings if the library is in thirdparty but not installed on the system.
2013-04-11Remove explicit architecture settings in Makerules for OS X.Tor Andersson
2013-03-19Fix compilation on Mac OS X by partially reverting 61c1f80d36.Marcos H. Woehrmann
Starting with 61c1f80d36bf1d946ce26d39f9afb99897fc9923 mupdf requires pkg-config to build. However pkg-config is not supplied with Xcode and is therefore not routinely installed on Mac OS X. Even if pkg-config were available it would not accomplish the goal of that commit (speed up compilation); on Mac OS X compilation would be slower.
2013-02-28Bug 693596: Speed compilation on unix based systems.Robin Watts
Use $(shell xxxx) rather than `xxxx` for pkg-config lines to avoid repeated reevaluation. Also get X libs from pkg-config too. Thanks to Michael Weber.
2012-11-16Fix build with openjpeg-1.5.1Wouter van Kesteren