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+ add compositing

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This commit is contained in:
Artem Pavlenko 2012-05-07 12:49:26 +01:00
parent 835105ddc1
commit 960de61bb7
1 changed files with 10 additions and 3 deletions
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13
src/agg/process_line_pattern_symbolizer.cpp
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@ -53,8 +53,14 @@ void agg_renderer<T>::process(line_pattern_symbolizer const& sym,
mapnik::feature_ptr const& feature,
proj_transform const& prj_trans)
{
typedef agg::line_image_pattern<agg::pattern_filter_bilinear_rgba8> pattern_type;
typedef agg::renderer_base<agg::pixfmt_rgba32> renderer_base;
typedef agg::rgba8 color;
typedef agg::order_rgba order;
typedef agg::pixel32_type pixel_type;
typedef agg::comp_op_adaptor_rgba<color, order> blender_type;
typedef agg::pattern_filter_bilinear_rgba8 filter_type;
typedef agg::line_image_pattern<filter_type> pattern_type;
typedef agg::pixfmt_custom_blend_rgba<blender_type, agg::rendering_buffer> pixfmt_type;
typedef agg::renderer_base<pixfmt_type> renderer_base;
typedef agg::renderer_outline_image<renderer_base, pattern_type> renderer_type;
typedef agg::rasterizer_outline_aa<renderer_type> rasterizer_type;
@ -77,7 +83,8 @@ void agg_renderer<T>::process(line_pattern_symbolizer const& sym,
box2d<double> ext = query_extent_ * 1.0;
agg::rendering_buffer buf(pixmap_.raw_data(),width_,height_, width_ * 4);
agg::pixfmt_rgba32 pixf(buf);
pixfmt_type pixf(buf);
if (sym.comp_op()) pixf.comp_op(static_cast<agg::comp_op_e>(*sym.comp_op()));
renderer_base ren_base(pixf);
agg::pattern_filter_bilinear_rgba8 filter;