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
141 lines
4.3 KiB
C++
141 lines
4.3 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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// mapnik
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#include <mapnik/cairo_io.hpp>
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#include <mapnik/image_util.hpp>
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#include <mapnik/map.hpp>
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#ifdef HAVE_CAIRO
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#include <mapnik/cairo/cairo_renderer.hpp>
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#include <cairo.h>
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#ifdef CAIRO_HAS_PDF_SURFACE
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#include <cairo-pdf.h>
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#endif
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#ifdef CAIRO_HAS_PS_SURFACE
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#include <cairo-ps.h>
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#endif
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#ifdef CAIRO_HAS_SVG_SURFACE
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#include <cairo-svg.h>
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#endif
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#endif
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// stl
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#include <string>
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#include <iostream>
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#include <fstream>
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#include <sstream>
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namespace mapnik {
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#if defined(HAVE_CAIRO)
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void save_to_cairo_file(mapnik::Map const& map,
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std::string const& filename,
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double scale_factor,
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double scale_denominator)
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{
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boost::optional<std::string> type = type_from_filename(filename);
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if (type)
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{
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save_to_cairo_file(map, filename, *type, scale_factor, scale_denominator);
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}
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else
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throw image_writer_exception("Could not write file to " + filename);
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}
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void save_to_cairo_file(mapnik::Map const& map,
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std::string const& filename,
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std::string const& type,
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double scale_factor,
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double scale_denominator)
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{
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std::ofstream file(filename.c_str(), std::ios::out | std::ios::trunc | std::ios::binary);
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if (file)
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{
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cairo_surface_ptr surface;
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unsigned width = map.width();
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unsigned height = map.height();
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if (type == "pdf")
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{
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#ifdef CAIRO_HAS_PDF_SURFACE
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surface =
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cairo_surface_ptr(cairo_pdf_surface_create(filename.c_str(), width, height), cairo_surface_closer());
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#else
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throw image_writer_exception("PDFSurface not supported in the cairo backend");
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#endif
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}
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#ifdef CAIRO_HAS_SVG_SURFACE
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else if (type == "svg")
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{
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surface =
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cairo_surface_ptr(cairo_svg_surface_create(filename.c_str(), width, height), cairo_surface_closer());
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cairo_svg_surface_restrict_to_version(surface.get(), CAIRO_SVG_VERSION_1_2);
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}
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#endif
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#ifdef CAIRO_HAS_PS_SURFACE
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else if (type == "ps")
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{
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surface =
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cairo_surface_ptr(cairo_ps_surface_create(filename.c_str(), width, height), cairo_surface_closer());
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}
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#endif
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#ifdef CAIRO_HAS_IMAGE_SURFACE
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else if (type == "ARGB32")
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{
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surface =
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cairo_surface_ptr(cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height), cairo_surface_closer());
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}
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else if (type == "RGB24")
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{
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surface =
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cairo_surface_ptr(cairo_image_surface_create(CAIRO_FORMAT_RGB24, width, height), cairo_surface_closer());
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}
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#endif
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else
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{
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throw image_writer_exception("unknown file type: " + type);
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}
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// cairo_t * ctx = cairo_create(surface);
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// TODO - expose as user option
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/*
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if (type == "ARGB32" || type == "RGB24")
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{
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context->set_antialias(Cairo::ANTIALIAS_NONE);
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}
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*/
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mapnik::cairo_renderer<cairo_ptr> ren(map, create_context(surface), scale_factor);
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ren.apply(scale_denominator);
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if (type == "ARGB32" || type == "RGB24")
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{
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cairo_surface_write_to_png(&*surface, filename.c_str());
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}
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cairo_surface_finish(&*surface);
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}
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}
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#endif
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} // namespace mapnik
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