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add operator== to image_filters

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This commit is contained in:
artemp 2014-05-27 13:42:53 +01:00
parent 9791766e32
commit 233b0c5332
1 changed files with 42 additions and 12 deletions
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54
include/mapnik/image_filter_types.hpp
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@ -41,32 +41,48 @@
namespace mapnik { namespace filter {
struct blur {};
struct emboss {};
struct sharpen {};
struct edge_detect {};
struct sobel {};
struct gray {};
struct x_gradient {};
struct y_gradient {};
struct invert {};
struct image_filter_base
{
inline bool operator==(image_filter_base const& ) const
{
return true;
}
};
struct agg_stack_blur
struct blur : image_filter_base {};
struct emboss : image_filter_base {};
struct sharpen : image_filter_base {};
struct edge_detect : image_filter_base {};
struct sobel : image_filter_base {};
struct gray : image_filter_base {};
struct x_gradient : image_filter_base {};
struct y_gradient : image_filter_base {};
struct invert : image_filter_base {};
struct agg_stack_blur : image_filter_base
{
agg_stack_blur(unsigned rx_, unsigned ry_)
: rx(rx_),ry(ry_) {}
inline bool operator==(agg_stack_blur const& rhs) const
{
return rx == rhs.rx && ry == rhs.ry;
}
unsigned rx;
unsigned ry;
};
struct color_to_alpha
struct color_to_alpha : image_filter_base
{
color_to_alpha(mapnik::color const& c)
: color(c) {}
inline bool operator==(color_to_alpha const& rhs) const
{
return color == rhs.color;
}
mapnik::color color;
};
struct scale_hsla
struct scale_hsla : image_filter_base
{
scale_hsla(double _h0, double _h1,
double _s0, double _s1,
@ -104,6 +120,19 @@ struct scale_hsla
return (a0 == 0 &&
a1 == 1);
}
inline bool operator==(scale_hsla const& rhs) const
{
return h0 == rhs.h0 &&
h1 == rhs.h1 &&
s0 == rhs.s0 &&
s1 == rhs.s1 &&
l0 == rhs.l0 &&
l1 == rhs.l1 &&
a0 == rhs.a0 &&
a1 == rhs.a1;
}
double h0;
double h1;
double s0;
@ -119,6 +148,7 @@ struct color_stop
color_stop() {}
color_stop(mapnik::color const& c, double val = 0.0)
: color(c),offset(val) {}
bool operator==(color_stop const& rhs) const { return color == rhs.color && offset == rhs.offset;}
mapnik::color color;
double offset;
};