e7c3d04309
format all files Revert "format all files" This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414. Revert "format some files" This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5. format all files fix formatting in dir include fix formatting of debug macro
233 lines
8.5 KiB
C++
233 lines
8.5 KiB
C++
/*****************************************************************************
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*
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* This file is part of Mapnik (c++ mapping toolkit)
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*
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* Copyright (C) 2021 Artem Pavlenko
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*****************************************************************************/
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#ifndef MAPNIK_IMAGE_SCALING_TRAITS_HPP
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#define MAPNIK_IMAGE_SCALING_TRAITS_HPP
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// mapnik
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#include <mapnik/image.hpp>
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#include <mapnik/image_scaling.hpp>
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#include <mapnik/span_image_filter.hpp>
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#include <mapnik/warning.hpp>
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MAPNIK_DISABLE_WARNING_PUSH
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#include <mapnik/warning_ignore_agg.hpp>
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#include "agg_image_accessors.h"
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#include "agg_pixfmt_rgba.h"
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#include "agg_pixfmt_gray.h"
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#include "agg_span_allocator.h"
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#include "agg_span_image_filter_gray.h"
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#include "agg_span_image_filter_rgba.h"
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#include "agg_span_interpolator_linear.h"
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MAPNIK_DISABLE_WARNING_POP
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namespace mapnik {
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namespace detail {
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template<typename T>
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struct agg_scaling_traits
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{};
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template<>
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struct agg_scaling_traits<image_rgba8>
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{
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using pixfmt_pre = agg::pixfmt_rgba32_pre;
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using color_type = agg::rgba8;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_rgba_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_rgba_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray8>
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{
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using pixfmt_pre = agg::pixfmt_gray8_pre;
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using color_type = agg::gray8;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray8s>
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{
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using pixfmt_pre = agg::pixfmt_gray8_pre;
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using color_type = agg::gray8;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray16>
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{
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using pixfmt_pre = agg::pixfmt_gray16_pre;
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using color_type = agg::gray16;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray16s>
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{
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using pixfmt_pre = agg::pixfmt_gray16_pre;
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using color_type = agg::gray16;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray32>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray32s>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray32f>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray64>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray64s>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<>
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struct agg_scaling_traits<image_gray64f>
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{
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using pixfmt_pre = agg::pixfmt_gray32_pre;
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using color_type = agg::gray32;
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using interpolator_type = agg::span_interpolator_linear<>;
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using img_src_type = agg::image_accessor_clone<pixfmt_pre>;
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using span_image_filter = agg::span_image_filter_gray_nn<img_src_type, interpolator_type>;
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using span_image_resample_affine = span_image_resample_gray_affine<img_src_type>;
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};
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template<typename Filter>
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void set_scaling_method(Filter& filter, scaling_method_e scaling_method, double filter_factor)
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{
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switch (scaling_method)
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{
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case SCALING_BILINEAR:
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filter.calculate(agg::image_filter_bilinear(), true);
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break;
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case SCALING_BICUBIC:
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filter.calculate(agg::image_filter_bicubic(), true);
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break;
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case SCALING_SPLINE16:
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filter.calculate(agg::image_filter_spline16(), true);
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break;
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case SCALING_SPLINE36:
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filter.calculate(agg::image_filter_spline36(), true);
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break;
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case SCALING_HANNING:
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filter.calculate(agg::image_filter_hanning(), true);
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break;
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case SCALING_HAMMING:
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filter.calculate(agg::image_filter_hamming(), true);
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break;
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case SCALING_HERMITE:
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filter.calculate(agg::image_filter_hermite(), true);
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break;
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case SCALING_KAISER:
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filter.calculate(agg::image_filter_kaiser(), true);
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break;
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case SCALING_QUADRIC:
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filter.calculate(agg::image_filter_quadric(), true);
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break;
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case SCALING_CATROM:
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filter.calculate(agg::image_filter_catrom(), true);
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break;
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case SCALING_GAUSSIAN:
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filter.calculate(agg::image_filter_gaussian(), true);
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break;
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case SCALING_BESSEL:
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filter.calculate(agg::image_filter_bessel(), true);
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break;
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case SCALING_MITCHELL:
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filter.calculate(agg::image_filter_mitchell(), true);
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break;
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case SCALING_SINC:
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filter.calculate(agg::image_filter_sinc(filter_factor), true);
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break;
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case SCALING_LANCZOS:
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filter.calculate(agg::image_filter_lanczos(filter_factor), true);
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break;
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case SCALING_BLACKMAN:
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filter.calculate(agg::image_filter_blackman(filter_factor), true);
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break;
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default:
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break;
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}
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}
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} // namespace detail
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} // namespace mapnik
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#endif // MAPNIK_IMAGE_SCALING_TRAITS_HPP
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