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65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
/*
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* image.cc
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*
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* Handling images
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*
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* by WangLu
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* 2012.08.14
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*/
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#include <boost/format.hpp>
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// for gil bug
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const int *int_p_NULL = nullptr;
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#include <boost/gil/gil_all.hpp>
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#include <boost/gil/extension/io/png_dynamic_io.hpp>
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#include "HTMLRenderer.h"
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#include "namespace.h"
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using namespace boost::gil;
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void HTMLRenderer::drawImage(GfxState * state, Object * ref, Stream * str, int width, int height, GfxImageColorMap * colorMap, GBool interpolate, int *maskColors, GBool inlineImg)
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{
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if(maskColors)
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return;
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rgb8_image_t img(width, height);
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auto imgview = view(img);
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auto loc = imgview.xy_at(0,0);
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ImageStream * img_stream = new ImageStream(str, width, colorMap->getNumPixelComps(), colorMap->getBits());
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img_stream->reset();
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for(int i = 0; i < height; ++i)
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{
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auto p = img_stream->getLine();
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for(int j = 0; j < width; ++j)
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{
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GfxRGB rgb;
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colorMap->getRGB(p, &rgb);
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*loc = rgb8_pixel_t(colToByte(rgb.r), colToByte(rgb.g), colToByte(rgb.b));
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p += colorMap->getNumPixelComps();
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++ loc.x();
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}
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loc = imgview.xy_at(0, i+1);
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}
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png_write_view((format("i%|1$x|.png")%image_count).str(), imgview);
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img_stream->close();
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delete img_stream;
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close_cur_line();
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double * ctm = state->getCTM();
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ctm[4] = ctm[5] = 0.0;
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html_fout << format("<img class=\"i t%2%\" style=\"left:%3%px;bottom:%4%px;width:%5%px;height:%6%px;\" src=\"i%|1$x|.png\" />") % image_count % install_transform_matrix(ctm) % state->getCurX() % state->getCurY() % width % height << endl;
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++ image_count;
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}
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