Merge commit 'aa122ea907fa1f31ed76f6e0f12ea9549c86a964' into harfbuzz
This commit is contained in:
Hermann Kraus
commit
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6 changed files with 76 additions and 38 deletions
36
COPYING
36
COPYING
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@ -1,8 +1,8 @@
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GNU LESSER GENERAL PUBLIC LICENSE
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Version 2.1, February 1999
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GNU LESSER GENERAL PUBLIC LICENSE
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Version 2.1, February 1999
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Copyright (C) 1991, 1999 Free Software Foundation, Inc.
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59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Everyone is permitted to copy and distribute verbatim copies
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of this license document, but changing it is not allowed.
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@ -10,7 +10,7 @@
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as the successor of the GNU Library Public License, version 2, hence
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the version number 2.1.]
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Preamble
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Preamble
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The licenses for most software are designed to take away your
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freedom to share and change it. By contrast, the GNU General Public
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@ -55,7 +55,7 @@ modified by someone else and passed on, the recipients should know
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that what they have is not the original version, so that the original
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author's reputation will not be affected by problems that might be
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introduced by others.
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Finally, software patents pose a constant threat to the existence of
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any free program. We wish to make sure that a company cannot
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effectively restrict the users of a free program by obtaining a
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@ -111,8 +111,8 @@ modification follow. Pay close attention to the difference between a
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"work based on the library" and a "work that uses the library". The
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former contains code derived from the library, whereas the latter must
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be combined with the library in order to run.
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GNU LESSER GENERAL PUBLIC LICENSE
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GNU LESSER GENERAL PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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0. This License Agreement applies to any software library or other
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@ -146,7 +146,7 @@ such a program is covered only if its contents constitute a work based
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on the Library (independent of the use of the Library in a tool for
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writing it). Whether that is true depends on what the Library does
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and what the program that uses the Library does.
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1. You may copy and distribute verbatim copies of the Library's
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complete source code as you receive it, in any medium, provided that
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you conspicuously and appropriately publish on each copy an
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@ -158,7 +158,7 @@ Library.
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You may charge a fee for the physical act of transferring a copy,
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and you may at your option offer warranty protection in exchange for a
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fee.
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2. You may modify your copy or copies of the Library or any portion
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of it, thus forming a work based on the Library, and copy and
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distribute such modifications or work under the terms of Section 1
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@ -216,7 +216,7 @@ instead of to this License. (If a newer version than version 2 of the
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ordinary GNU General Public License has appeared, then you can specify
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that version instead if you wish.) Do not make any other change in
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these notices.
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Once this change is made in a given copy, it is irreversible for
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that copy, so the ordinary GNU General Public License applies to all
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subsequent copies and derivative works made from that copy.
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@ -267,7 +267,7 @@ Library will still fall under Section 6.)
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distribute the object code for the work under the terms of Section 6.
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Any executables containing that work also fall under Section 6,
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whether or not they are linked directly with the Library itself.
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6. As an exception to the Sections above, you may also combine or
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link a "work that uses the Library" with the Library to produce a
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work containing portions of the Library, and distribute that work
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@ -329,7 +329,7 @@ restrictions of other proprietary libraries that do not normally
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accompany the operating system. Such a contradiction means you cannot
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use both them and the Library together in an executable that you
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distribute.
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7. You may place library facilities that are a work based on the
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Library side-by-side in a single library together with other library
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facilities not covered by this License, and distribute such a combined
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@ -370,7 +370,7 @@ subject to these terms and conditions. You may not impose any further
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restrictions on the recipients' exercise of the rights granted herein.
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You are not responsible for enforcing compliance by third parties with
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this License.
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11. If, as a consequence of a court judgment or allegation of patent
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infringement or for any other reason (not limited to patent issues),
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conditions are imposed on you (whether by court order, agreement or
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@ -422,7 +422,7 @@ conditions either of that version or of any later version published by
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the Free Software Foundation. If the Library does not specify a
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license version number, you may choose any version ever published by
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the Free Software Foundation.
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14. If you wish to incorporate parts of the Library into other free
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programs whose distribution conditions are incompatible with these,
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write to the author to ask for permission. For software which is
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@ -432,7 +432,7 @@ decision will be guided by the two goals of preserving the free status
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of all derivatives of our free software and of promoting the sharing
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and reuse of software generally.
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NO WARRANTY
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NO WARRANTY
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15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO
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WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW.
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@ -455,8 +455,8 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
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SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGES.
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END OF TERMS AND CONDITIONS
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END OF TERMS AND CONDITIONS
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How to Apply These Terms to Your New Libraries
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If you develop a new library, and you want it to be of the greatest
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@ -485,7 +485,7 @@ convey the exclusion of warranty; and each file should have at least the
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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Also add information on how to contact you by electronic and paper mail.
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@ -417,12 +417,18 @@ void apply_filter(Src & src, colorize_alpha const& op)
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double step = 1.0/(size-1);
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double offset = 0.0;
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BOOST_FOREACH( mapnik::color const& c, op)
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BOOST_FOREACH( mapnik::filter::color_stop const& stop, op)
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{
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grad_lut.add_color(offset, agg::rgba(c.red()/256.0,
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c.green()/256.0,
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c.blue()/256.0,
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c.alpha()/256.0));
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mapnik::color const& c = stop.color;
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double stop_offset = stop.offset;
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if (stop_offset == 0)
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{
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stop_offset = offset;
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}
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grad_lut.add_color(stop_offset, agg::rgba(c.red()/256.0,
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c.green()/256.0,
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c.blue()/256.0,
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c.alpha()/256.0));
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offset += step;
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}
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grad_lut.build_lut();
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@ -25,17 +25,40 @@
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// boost
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#include <boost/spirit/include/qi.hpp>
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#include <boost/fusion/include/adapt_struct.hpp>
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// mapnik
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#include <mapnik/css_color_grammar.hpp>
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#include <mapnik/image_filter.hpp>
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// stl
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#include <vector>
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BOOST_FUSION_ADAPT_STRUCT(
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mapnik::filter::color_stop,
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(mapnik::color, color )
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(double, offset)
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)
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namespace mapnik {
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namespace qi = boost::spirit::qi;
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struct percent_offset_impl
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{
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template <typename T>
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struct result
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{
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typedef double type;
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};
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double operator() (double val) const
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{
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double result = std::abs(val/100.0);
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if (result > 1.0) result = 1.0;
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return result;
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}
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};
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template <typename Iterator, typename ContType>
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struct image_filter_grammar :
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qi::grammar<Iterator, ContType(), qi::ascii::space_type>
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@ -46,10 +69,12 @@ struct image_filter_grammar :
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qi::rule<Iterator, qi::locals<int,int>, void(ContType&), qi::ascii::space_type> agg_blur_filter;
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qi::rule<Iterator, qi::locals<double,double,double,double,double,double,double,double>,
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void(ContType&), qi::ascii::space_type> hsla_filter;
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qi::rule<Iterator, qi::locals<mapnik::filter::colorize_alpha>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
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qi::rule<Iterator, qi::locals<mapnik::filter::colorize_alpha, mapnik::filter::color_stop>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
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qi::rule<Iterator, qi::ascii::space_type> no_args;
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qi::uint_parser< unsigned, 10, 1, 3 > radius_;
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css_color_grammar<Iterator> css_color_;
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qi::rule<Iterator,void(mapnik::filter::color_stop &),qi::ascii::space_type> color_stop_offset;
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phoenix::function<percent_offset_impl> percent_offset;
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};
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}
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@ -98,16 +98,18 @@ struct hsla
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double a1;
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};
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struct colorize_alpha : std::vector<mapnik::color>
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struct color_stop
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{
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color_stop() {}
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color_stop(mapnik::color const& c, double val = 0.0)
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: color(c),offset(val) {}
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mapnik::color color;
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double offset;
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};
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struct colorize_alpha : std::vector<color_stop>
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{
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colorize_alpha() {}
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colorize_alpha(mapnik::color const& c0, mapnik::color const& c1)
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{
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this->push_back(c0);
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this->push_back(c1);
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// TODO: support multiple color-stops
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// https://developer.mozilla.org/en-US/docs/CSS/linear-gradient
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}
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};
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typedef boost::variant<filter::blur,
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@ -344,11 +344,10 @@ void agg_renderer<T>::render_marker(pixel_position const& pos,
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{
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double width = (*marker.get_bitmap_data())->width();
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double height = (*marker.get_bitmap_data())->height();
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double cx = 0.5 * width;
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double cy = 0.5 * height;
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if (std::fabs(1.0 - scale_factor_) < 0.001 && tr.is_identity())
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{
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double cx = 0.5 * width;
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double cy = 0.5 * height;
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composite(current_buffer_->data(), **marker.get_bitmap_data(),
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comp_op, opacity,
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boost::math::iround(pos.x - cx),
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@ -57,7 +57,7 @@ image_filter_grammar<Iterator,ContType>::image_filter_grammar()
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using boost::spirit::ascii::string;
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using phoenix::push_back;
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using phoenix::construct;
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using phoenix::at_c;
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#if BOOST_VERSION >= 104700
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using qi::no_skip;
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start = -(filter % no_skip[*char_(", ")])
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@ -111,11 +111,17 @@ image_filter_grammar<Iterator,ContType>::image_filter_grammar()
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colorize_alpha_filter = lit("colorize-alpha")[_a = construct<mapnik::filter::colorize_alpha>()]
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>> lit('(')
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>> css_color_[push_back(_a, _1)]
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>> +(lit(',') >> css_color_[push_back(_a, _1)])
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>> (css_color_[at_c<0>(_b) = _1, at_c<1>(_b) = 0]
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>> -color_stop_offset(_b)) [push_back(_a,_b)]
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>> +(lit(',') >> css_color_[at_c<0>(_b) =_1,at_c<1>(_b) = 0]
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>> -color_stop_offset(_b))[push_back(_a,_b)]
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>> lit(')') [push_back(_r1,_a)]
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;
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color_stop_offset = (double_ >> lit('%'))[at_c<1>(_r1) = percent_offset(_1)]
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double_[at_c<1>(_r1) = _1]
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;
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no_args = -(lit('(') >> lit(')'));
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}
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