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Merge commit 'aa122ea907fa1f31ed76f6e0f12ea9549c86a964' into harfbuzz

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Hermann Kraus 2013-03-23 15:32:08 +01:00
commit 4beed29cf2
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22
COPYING
View file

@ -2,7 +2,7 @@
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
@ -55,7 +55,7 @@ modified by someone else and passed on, the recipients should know
that what they have is not the original version, so that the original
author's reputation will not be affected by problems that might be
introduced by others.
Finally, software patents pose a constant threat to the existence of
any free program. We wish to make sure that a company cannot
effectively restrict the users of a free program by obtaining a
@ -111,7 +111,7 @@ modification follow. Pay close attention to the difference between a
"work based on the library" and a "work that uses the library". The
former contains code derived from the library, whereas the latter must
be combined with the library in order to run.
GNU LESSER GENERAL PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
@ -158,7 +158,7 @@ Library.
You may charge a fee for the physical act of transferring a copy,
and you may at your option offer warranty protection in exchange for a
fee.
2. You may modify your copy or copies of the Library or any portion
of it, thus forming a work based on the Library, and copy and
distribute such modifications or work under the terms of Section 1
@ -216,7 +216,7 @@ instead of to this License. (If a newer version than version 2 of the
ordinary GNU General Public License has appeared, then you can specify
that version instead if you wish.) Do not make any other change in
these notices.
Once this change is made in a given copy, it is irreversible for
that copy, so the ordinary GNU General Public License applies to all
subsequent copies and derivative works made from that copy.
@ -267,7 +267,7 @@ Library will still fall under Section 6.)
distribute the object code for the work under the terms of Section 6.
Any executables containing that work also fall under Section 6,
whether or not they are linked directly with the Library itself.
6. As an exception to the Sections above, you may also combine or
link a "work that uses the Library" with the Library to produce a
work containing portions of the Library, and distribute that work
@ -329,7 +329,7 @@ restrictions of other proprietary libraries that do not normally
accompany the operating system. Such a contradiction means you cannot
use both them and the Library together in an executable that you
distribute.
7. You may place library facilities that are a work based on the
Library side-by-side in a single library together with other library
facilities not covered by this License, and distribute such a combined
@ -370,7 +370,7 @@ subject to these terms and conditions. You may not impose any further
restrictions on the recipients' exercise of the rights granted herein.
You are not responsible for enforcing compliance by third parties with
this License.
11. If, as a consequence of a court judgment or allegation of patent
infringement or for any other reason (not limited to patent issues),
conditions are imposed on you (whether by court order, agreement or
@ -422,7 +422,7 @@ conditions either of that version or of any later version published by
the Free Software Foundation. If the Library does not specify a
license version number, you may choose any version ever published by
the Free Software Foundation.
14. If you wish to incorporate parts of the Library into other free
programs whose distribution conditions are incompatible with these,
write to the author to ask for permission. For software which is
@ -456,7 +456,7 @@ SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
DAMAGES.
END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Libraries
If you develop a new library, and you want it to be of the greatest
@ -485,7 +485,7 @@ convey the exclusion of warranty; and each file should have at least the
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Also add information on how to contact you by electronic and paper mail.

10
include/mapnik/image_filter.hpp
View file

@ -417,9 +417,15 @@ void apply_filter(Src & src, colorize_alpha const& op)
double step = 1.0/(size-1);
double offset = 0.0;
BOOST_FOREACH( mapnik::color const& c, op)
BOOST_FOREACH( mapnik::filter::color_stop const& stop, op)
{
grad_lut.add_color(offset, agg::rgba(c.red()/256.0,
mapnik::color const& c = stop.color;
double stop_offset = stop.offset;
if (stop_offset == 0)
{
stop_offset = offset;
}
grad_lut.add_color(stop_offset, agg::rgba(c.red()/256.0,
c.green()/256.0,
c.blue()/256.0,
c.alpha()/256.0));

27
include/mapnik/image_filter_grammar.hpp
View file

@ -25,17 +25,40 @@
// boost
#include <boost/spirit/include/qi.hpp>
#include <boost/fusion/include/adapt_struct.hpp>
// mapnik
#include <mapnik/css_color_grammar.hpp>
#include <mapnik/image_filter.hpp>
// stl
#include <vector>
BOOST_FUSION_ADAPT_STRUCT(
mapnik::filter::color_stop,
(mapnik::color, color )
(double, offset)
)
namespace mapnik {
namespace qi = boost::spirit::qi;
struct percent_offset_impl
{
template <typename T>
struct result
{
typedef double type;
};
double operator() (double val) const
{
double result = std::abs(val/100.0);
if (result > 1.0) result = 1.0;
return result;
}
};
template <typename Iterator, typename ContType>
struct image_filter_grammar :
qi::grammar<Iterator, ContType(), qi::ascii::space_type>
@ -46,10 +69,12 @@ struct image_filter_grammar :
qi::rule<Iterator, qi::locals<int,int>, void(ContType&), qi::ascii::space_type> agg_blur_filter;
qi::rule<Iterator, qi::locals<double,double,double,double,double,double,double,double>,
void(ContType&), qi::ascii::space_type> hsla_filter;
qi::rule<Iterator, qi::locals<mapnik::filter::colorize_alpha>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
qi::rule<Iterator, qi::locals<mapnik::filter::colorize_alpha, mapnik::filter::color_stop>, void(ContType&), qi::ascii::space_type> colorize_alpha_filter;
qi::rule<Iterator, qi::ascii::space_type> no_args;
qi::uint_parser< unsigned, 10, 1, 3 > radius_;
css_color_grammar<Iterator> css_color_;
qi::rule<Iterator,void(mapnik::filter::color_stop &),qi::ascii::space_type> color_stop_offset;
phoenix::function<percent_offset_impl> percent_offset;
};
}

18
include/mapnik/image_filter_types.hpp
View file

@ -98,16 +98,18 @@ struct hsla
double a1;
};
struct colorize_alpha : std::vector<mapnik::color>
struct color_stop
{
color_stop() {}
color_stop(mapnik::color const& c, double val = 0.0)
: color(c),offset(val) {}
mapnik::color color;
double offset;
};
struct colorize_alpha : std::vector<color_stop>
{
colorize_alpha() {}
colorize_alpha(mapnik::color const& c0, mapnik::color const& c1)
{
this->push_back(c0);
this->push_back(c1);
// TODO: support multiple color-stops
// https://developer.mozilla.org/en-US/docs/CSS/linear-gradient
}
};
typedef boost::variant<filter::blur,

5
src/agg/agg_renderer.cpp
View file

@ -344,11 +344,10 @@ void agg_renderer<T>::render_marker(pixel_position const& pos,
{
double width = (*marker.get_bitmap_data())->width();
double height = (*marker.get_bitmap_data())->height();
double cx = 0.5 * width;
double cy = 0.5 * height;
if (std::fabs(1.0 - scale_factor_) < 0.001 && tr.is_identity())
{
double cx = 0.5 * width;
double cy = 0.5 * height;
composite(current_buffer_->data(), **marker.get_bitmap_data(),
comp_op, opacity,
boost::math::iround(pos.x - cx),

12
src/image_filter_grammar.cpp
View file

@ -57,7 +57,7 @@ image_filter_grammar<Iterator,ContType>::image_filter_grammar()
using boost::spirit::ascii::string;
using phoenix::push_back;
using phoenix::construct;
using phoenix::at_c;
#if BOOST_VERSION >= 104700
using qi::no_skip;
start = -(filter % no_skip[*char_(", ")])
@ -111,11 +111,17 @@ image_filter_grammar<Iterator,ContType>::image_filter_grammar()
colorize_alpha_filter = lit("colorize-alpha")[_a = construct<mapnik::filter::colorize_alpha>()]
>> lit('(')
>> css_color_[push_back(_a, _1)]
>> +(lit(',') >> css_color_[push_back(_a, _1)])
>> (css_color_[at_c<0>(_b) = _1, at_c<1>(_b) = 0]
>> -color_stop_offset(_b)) [push_back(_a,_b)]
>> +(lit(',') >> css_color_[at_c<0>(_b) =_1,at_c<1>(_b) = 0]
>> -color_stop_offset(_b))[push_back(_a,_b)]
>> lit(')') [push_back(_r1,_a)]
;
color_stop_offset = (double_ >> lit('%'))[at_c<1>(_r1) = percent_offset(_1)]
|
double_[at_c<1>(_r1) = _1]
;
no_args = -(lit('(') >> lit(')'));
}