85 lines
2.2 KiB
C++
85 lines
2.2 KiB
C++
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/* This file is part of Mapnik (c++ mapping toolkit)
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* Copyright (C) 2005 Artem Pavlenko
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*
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* Mapnik is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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//$Id: graphics.cpp 17 2005-03-08 23:58:43Z pavlenko $
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#include <cassert>
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#include <string.h>
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#include <stack>
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#include <iostream>
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#include "graphics.hpp"
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#include "image_util.hpp"
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namespace mapnik
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{
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Image32::Image32(int width,int height)
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:width_(width),
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height_(height),
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data_(width,height) {}
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Image32::Image32(const Image32& rhs)
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:width_(rhs.width_),
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height_(rhs.height_),
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data_(rhs.data_) {}
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Image32::~Image32() {}
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gamma Image32::gammaTable_;
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const ImageData32& Image32::data() const
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{
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return data_;
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}
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void Image32::setBackground(const Color& background)
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{
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background_=background;
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data_.set(background_.rgba());
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}
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const Color& Image32::getBackground() const
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{
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return background_;
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}
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void Image32::set_rectangle(unsigned x0,unsigned y0,const ImageData32& data)
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{
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if (x0>=width_ || y0>=height_) return;
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unsigned w=std::min(data.width(),width_-x0);
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unsigned h=std::min(data.height(),height_-y0);
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for (unsigned y=0;y<h;++y)
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{
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for (unsigned x=0;x<w;++x)
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{
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if ((data(x,y) & 0xff000000))
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{
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data_(x0+x,y0+y)=data(x,y);
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}
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}
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}
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}
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void Image32::saveToFile(const std::string& file,const std::string& format)
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{
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//TODO: image writer factory
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ImageUtils::save_to_file(file,format,*this);
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}
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}
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