libcruft-util/noise.ipp

36 lines
1.1 KiB
C++

/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2011-2015 Danny Robson <danny@nerdcruft.net>
*/
#ifdef __UTIL_NOISE_IPP
#error
#endif
#define __UTIL_NOISE_IPP
namespace util { namespace noise {
//-------------------------------------------------------------------------
template <typename T, typename G>
void
fill (image::buffer<T> &pixels, const G& gen)
{
size_t h = pixels.h, s = pixels.s, w = pixels.w;
T *data = pixels.data ();
for (size_t y = 0; y < h; ++y)
for (size_t x = 0; x < w; ++x)
data[y * s + x] = gen ({T(x), T(y)});
}
} }