00001 #ifndef vipl_accessors_vil_image_view_base_txx_
00002 #define vipl_accessors_vil_image_view_base_txx_
00003
00004 #include "vipl_accessors_vil_image_view_base.h"
00005 #include <vepl/section/vipl_filterable_section_container_generator_vil_image_view_base.txx>
00006 #include <vil/vil_rgb.h>
00007 #include <vil/vil_image_view.h>
00008 #include <vcl_config_compiler.h>
00009
00010 template <class DataType>
00011 inline DataType fgetpixel(vil_image_view_base const& i, int x, int y, DataType )
00012 {
00013 vil_image_view<DataType> const& im = static_cast<vil_image_view<DataType>const&>(i);
00014 return im(x,y);
00015 }
00016 template <class DataType>
00017 inline void fsetpixel(vil_image_view_base& i, int x, int y, DataType const e)
00018 {
00019 vil_image_view<DataType>& im = static_cast<vil_image_view<DataType>&>(i);
00020 im(x,y) = e;
00021 }
00022 template <class DataType>
00023 inline DataType getpixel(vil_image_view_base const& i, int x, int y, DataType )
00024 {
00025 if (x<0 || y<0 || x>=(int)i.ni() || y>=(int)i.nj()) return DataType();
00026 vil_image_view<DataType> const& im = static_cast<vil_image_view<DataType>const&>(i);
00027 return im(x,y);
00028 }
00029 template <class DataType>
00030 inline void setpixel(vil_image_view_base& i, int x, int y, DataType const e)
00031 {
00032 if (x<0 || y<0 || x>=(int)i.ni() || y>=(int)i.nj()) return;
00033 vil_image_view<DataType>& im = static_cast<vil_image_view<DataType>&>(i);
00034 im(x,y) = e;
00035 }
00036
00037 #if VCL_HAS_TEMPLATE_SYMBOLS
00038 template <class DataType>
00039 inline vil_rgb<DataType> fgetpixel(vil_image_view_base const& i, int x, int y, vil_rgb<DataType> )
00040 {
00041 if (i.nplanes() == 3)
00042 {
00043 vil_image_view<DataType> const& im = static_cast<vil_image_view<DataType>const&>(i);
00044 return vil_rgb<DataType>(im(x,y,0),im(x,y,1),im(x,y,2));
00045 }
00046 else
00047 {
00048 vil_image_view<vil_rgb<DataType> > const& im = static_cast<vil_image_view<vil_rgb<DataType> >const&>(i);
00049 return im(x,y);
00050 }
00051 }
00052 template <class DataType>
00053 inline void fsetpixel(vil_image_view_base& i, int x, int y, vil_rgb<DataType> const e)
00054 {
00055 if (i.nplanes() == 3)
00056 {
00057 vil_image_view<DataType>& im = static_cast<vil_image_view<DataType>&>(i);
00058 im(x,y,0) = e.r; im(x,y,1) = e.g; im(x,y,2) = e.b;
00059 }
00060 else
00061 {
00062 vil_image_view<vil_rgb<DataType> >& im = static_cast<vil_image_view<vil_rgb<DataType> >&>(i);
00063 im(x,y) = e;
00064 }
00065 }
00066 template <class DataType>
00067 inline vil_rgb<DataType> getpixel(vil_image_view_base const& i, int x, int y, vil_rgb<DataType> )
00068 {
00069 if (x<0 || y<0 || x>=(int)i.ni() || y>=(int)i.nj()) return vil_rgb<DataType>();
00070 if (i.nplanes() == 3)
00071 {
00072 vil_image_view<DataType> const& im = static_cast<vil_image_view<DataType>const&>(i);
00073 return vil_rgb<DataType>(im(x,y,0),im(x,y,1),im(x,y,2));
00074 }
00075 else
00076 {
00077 vil_image_view<vil_rgb<DataType> > const& im = static_cast<vil_image_view<vil_rgb<DataType> >const&>(i);
00078 return im(x,y);
00079 }
00080 }
00081 template <class DataType>
00082 inline void setpixel(vil_image_view_base& i, int x, int y, vil_rgb<DataType> const e)
00083 {
00084 if (x<0 || y<0 || x>=(int)i.ni() || y>=(int)i.nj()) return;
00085 if (i.nplanes() == 3)
00086 {
00087 vil_image_view<DataType>& im = static_cast<vil_image_view<DataType>&>(i);
00088 im(x,y,0) = e.r; im(x,y,1) = e.g; im(x,y,2) = e.b;
00089 }
00090 else
00091 {
00092 vil_image_view<vil_rgb<DataType> >& im = static_cast<vil_image_view<vil_rgb<DataType> >&>(i);
00093 im(x,y) = e;
00094 }
00095 }
00096 #else // compilers with overload problems ...
00097 inline vil_rgb<vxl_byte> fgetpixel(vil_image_view_base const& i, int x, int y, vil_rgb<vxl_byte> )
00098 {
00099 if (i.nplanes() == 3)
00100 {
00101 vil_image_view<vxl_byte> const& im = static_cast<vil_image_view<vxl_byte>const&>(i);
00102 return vil_rgb<vxl_byte>(im(x,y,0),im(x,y,1),im(x,y,2));
00103 }
00104 else
00105 {
00106 vil_image_view<vil_rgb<vxl_byte> > const& im = static_cast<vil_image_view<vil_rgb<vxl_byte> >const&>(i);
00107 return im(x,y);
00108 }
00109 }
00110 inline void fsetpixel(vil_image_view_base& i, int x, int y, vil_rgb<vxl_byte> const e)
00111 {
00112 if (i.nplanes() == 3)
00113 {
00114 vil_image_view<vxl_byte>& im = static_cast<vil_image_view<vxl_byte>&>(i);
00115 im(x,y,0) = e.r; im(x,y,1) = e.g; im(x,y,2) = e.b;
00116 }
00117 else
00118 {
00119 vil_image_view<vil_rgb<vxl_byte> >& im = static_cast<vil_image_view<vil_rgb<vxl_byte> >&>(i);
00120 im(x,y) = e;
00121 }
00122 }
00123 inline vil_rgb<vxl_byte> getpixel(vil_image_view_base const& i, int x, int y, vil_rgb<vxl_byte> )
00124 {
00125 if (x<0 || y<0 || x>=(int)i.ni() || y>=(int)i.nj()) return vil_rgb<vxl_byte>();
00126 if (i.nplanes() == 3)
00127 {
00128 vil_image_view<vxl_byte> const& im = static_cast<vil_image_view<vxl_byte>const&>(i);
00129 return vil_rgb<vxl_byte>(im(x,y,0),im(x,y,1),im(x,y,2));
00130 }
00131 else
00132 {
00133 vil_image_view<vil_rgb<vxl_byte> > const& im = static_cast<vil_image_view<vil_rgb<vxl_byte> >const&>(i);
00134 return im(x,y);
00135 }
00136 }
00137 inline void setpixel(vil_image_view_base& i, int x, int y, vil_rgb<vxl_byte> const e)
00138 {
00139 if (x<0 || y<0 || (unsigned int)x >= i.ni() || (unsigned int)y >= i.nj())
00140 return;
00141 if (i.nplanes() == 3)
00142 {
00143 vil_image_view<vxl_byte>& im = static_cast<vil_image_view<vxl_byte>&>(i);
00144 im(x,y,0) = e.r; im(x,y,1) = e.g; im(x,y,2) = e.b;
00145 }
00146 else
00147 {
00148 vil_image_view<vil_rgb<vxl_byte> >& im = static_cast<vil_image_view<vil_rgb<vxl_byte> >&>(i);
00149 im(x,y) = e;
00150 }
00151 }
00152 #endif
00153
00154 #undef VIPL_INSTANTIATE_ACCESSORS
00155 #define VIPL_INSTANTIATE_ACCESSORS(T) \
00156 template T fgetpixel(vil_image_view_base const&, int, int, T);\
00157 template void fsetpixel(vil_image_view_base&, int, int, T);\
00158 template T getpixel(vil_image_view_base const&, int, int, T);\
00159 template void setpixel(vil_image_view_base&, int, int, T)
00160
00161 #endif // vipl_accessors_vil_image_view_base_txx_
