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Made assign_image() and assign_image_scaled() capable of assigning to

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matrices.
This commit is contained in:
Davis King 2011-12-13 19:04:17 -05:00
parent d45a52ede7
commit 7b591aba7a
2 changed files with 37 additions and 5 deletions
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36
dlib/image_transforms/assign_image.h
View File

@ -10,6 +10,36 @@
namespace dlib
{
// ----------------------------------------------------------------------------------------
template <
typename dest_image_type,
typename src_pixel_type
>
typename enable_if<is_matrix<dest_image_type> >::type impl_assign_single_pixel (
dest_image_type& img,
long r,
long c,
const src_pixel_type& pix
)
{
assign_pixel(img(r,c), pix);
}
template <
typename dest_image_type,
typename src_pixel_type
>
typename disable_if<is_matrix<dest_image_type> >::type impl_assign_single_pixel (
dest_image_type& img,
long r,
long c,
const src_pixel_type& pix
)
{
assign_pixel(img[r][c], pix);
}
// ----------------------------------------------------------------------------------------
template <
@ -27,7 +57,7 @@ namespace dlib
{
for (long c = 0; c < src.nc(); ++c)
{
assign_pixel(dest[r][c], src(r,c));
impl_assign_single_pixel(dest,r,c, src(r,c));
}
}
}
@ -82,7 +112,7 @@ namespace dlib
if (src.size() == 1)
{
assign_pixel(dest[0][0], src(0,0));
impl_assign_single_pixel(dest,0,0, src(0,0));
return;
}
@ -126,7 +156,7 @@ namespace dlib
{
const double val = get_pixel_intensity(src(r,c)) - lower;
assign_pixel(dest[r][c], scale*val + dest_min);
impl_assign_single_pixel(dest,r,c, scale*val + dest_min);
}
}
}

6
dlib/image_transforms/assign_image_abstract.h
View File

@ -22,7 +22,8 @@ namespace dlib
requires
- src_image_type == is an implementation of array2d/array2d_kernel_abstract.h or
a dlib::matrix or something convertible to a matrix via array_to_matrix()
- dest_image_type == is an implementation of array2d/array2d_kernel_abstract.h
- dest_image_type == is an implementation of array2d/array2d_kernel_abstract.h or
is a dlib::matrix.
- pixel_traits<typename src_image_type::type> is defined
- pixel_traits<typename dest_image_type::type> is defined
ensures
@ -48,7 +49,8 @@ namespace dlib
requires
- src_image_type == is an implementation of array2d/array2d_kernel_abstract.h or
a dlib::matrix or something convertible to a matrix via array_to_matrix()
- dest_image_type == is an implementation of array2d/array2d_kernel_abstract.h
- dest_image_type == is an implementation of array2d/array2d_kernel_abstract.h or
is a dlib::matrix.
- pixel_traits<typename src_image_type::type> is defined
- pixel_traits<typename dest_image_type::type> is defined
- thresh > 0