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Cairo : add SVG pattern support in polygon_pattern_symbolizer

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This commit is contained in:
artemp 2014-07-31 15:43:59 +01:00
parent 18a7731d42
commit 90099bc171
1 changed files with 17 additions and 6 deletions
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23
src/cairo/cairo_renderer.cpp
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@ -58,6 +58,8 @@
#include <mapnik/group/group_layout_manager.hpp>
#include <mapnik/group/group_symbolizer_helper.hpp>
#include <mapnik/attribute.hpp>
#include <mapnik/agg_rasterizer.hpp>
#include <mapnik/agg_renderer.hpp>
// mapnik symbolizer generics
#include <mapnik/renderer_common/process_building_symbolizer.hpp>
@ -80,7 +82,6 @@
#include "agg_conv_smooth_poly1.h"
#include "agg_rendering_buffer.h"
#include "agg_pixfmt_rgba.h"
// markers
#include "agg_path_storage.h"
#include "agg_ellipse.h"
@ -693,13 +694,23 @@ void cairo_renderer_base::process(polygon_pattern_symbolizer const& sym,
context_.set_operator(comp_op);
boost::optional<mapnik::marker_ptr> marker = mapnik::marker_cache::instance().find(filename,true);
if (!marker && !(*marker)->is_bitmap()) return;
if (!marker || !(*marker)) return;
cairo_pattern pattern(**((*marker)->get_bitmap_data()));
if ((*marker)->is_bitmap())
{
cairo_pattern pattern(**((*marker)->get_bitmap_data()));
pattern.set_extend(CAIRO_EXTEND_REPEAT);
context_.set_pattern(pattern);
}
else
{
mapnik::rasterizer ras;
image_ptr image = render_pattern(ras, **marker);
cairo_pattern pattern(*image);
pattern.set_extend(CAIRO_EXTEND_REPEAT);
context_.set_pattern(pattern);
}
pattern.set_extend(CAIRO_EXTEND_REPEAT);
context_.set_pattern(pattern);
//pattern_alignment_e align = sym.get_alignment();
//unsigned offset_x=0;