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<html><!-- Created using the cpp_pretty_printer from the dlib C++ library.  See http://dlib.net for updates. --><head><title>dlib C++ Library - load_image.h</title></head><body bgcolor='white'><pre>
<font color='#009900'>// Copyright (C) 2011  Davis E. King ([email protected]), Nils Labugt, Changjiang Yang ([email protected])
</font><font color='#009900'>// License: Boost Software License   See LICENSE.txt for the full license.
</font><font color='#0000FF'>#ifndef</font> DLIB_LOAd_IMAGE_Hh_
<font color='#0000FF'>#define</font> DLIB_LOAd_IMAGE_Hh_

<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='load_image_abstract.h.html'>load_image_abstract.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='../string.h.html'>../string.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='png_loader.h.html'>png_loader.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='jpeg_loader.h.html'>jpeg_loader.h</a>"
<font color='#0000FF'>#include</font> "<a style='text-decoration:none' href='image_loader.h.html'>image_loader.h</a>"
<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>fstream<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>sstream<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#ifdef</font> DLIB_GIF_SUPPORT
<font color='#0000FF'>#include</font> <font color='#5555FF'>&lt;</font>gif_lib.h<font color='#5555FF'>&gt;</font>
<font color='#0000FF'>#endif</font>

<font color='#0000FF'>namespace</font> dlib
<b>{</b>
    <font color='#0000FF'>namespace</font> image_file_type
    <b>{</b>
        <font color='#0000FF'>enum</font> <b><a name='type'></a>type</b>
        <b>{</b>
            BMP,
            JPG,
            PNG,
            DNG,
            GIF,
            UNKNOWN
        <b>}</b>;

        <font color='#0000FF'>inline</font> type <b><a name='read_type'></a>read_type</b><font face='Lucida Console'>(</font><font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> file_name<font face='Lucida Console'>)</font> 
        <b>{</b>
            std::ifstream <font color='#BB00BB'>file</font><font face='Lucida Console'>(</font>file_name.<font color='#BB00BB'>c_str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>, std::ios::in<font color='#5555FF'>|</font>std::ios::binary<font face='Lucida Console'>)</font>;
            <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#5555FF'>!</font>file<font face='Lucida Console'>)</font>
                <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unable to open file: </font>" <font color='#5555FF'>+</font> file_name<font face='Lucida Console'>)</font>;

            <font color='#0000FF'><u>char</u></font> buffer[<font color='#979000'>9</font>];
            file.<font color='#BB00BB'>read</font><font face='Lucida Console'>(</font><font face='Lucida Console'>(</font><font color='#0000FF'><u>char</u></font><font color='#5555FF'>*</font><font face='Lucida Console'>)</font>buffer, <font color='#979000'>8</font><font face='Lucida Console'>)</font>;
            buffer[<font color='#979000'>8</font>] <font color='#5555FF'>=</font> <font color='#979000'>0</font>;

            <font color='#009900'>// Determine the true image type using link:
</font>            <font color='#009900'>// http://en.wikipedia.org/wiki/List_of_file_signatures
</font>
            <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>strcmp</font><font face='Lucida Console'>(</font>buffer, "<font color='#CC0000'>\x89\x50\x4E\x47\x0D\x0A\x1A\x0A</font>"<font face='Lucida Console'>)</font> <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> 
                <font color='#0000FF'>return</font> PNG;
            <font color='#0000FF'>else</font> <font color='#0000FF'>if</font><font face='Lucida Console'>(</font>buffer[<font color='#979000'>0</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>\xff</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>1</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>\xd8</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>2</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>\xff</font>'<font face='Lucida Console'>)</font> 
                <font color='#0000FF'>return</font> JPG;
            <font color='#0000FF'>else</font> <font color='#0000FF'>if</font><font face='Lucida Console'>(</font>buffer[<font color='#979000'>0</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>B</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>1</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>M</font>'<font face='Lucida Console'>)</font> 
                <font color='#0000FF'>return</font> BMP;
            <font color='#0000FF'>else</font> <font color='#0000FF'>if</font><font face='Lucida Console'>(</font>buffer[<font color='#979000'>0</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>D</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>1</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>N</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>2</font>] <font color='#5555FF'>=</font><font color='#5555FF'>=</font> '<font color='#FF0000'>G</font>'<font face='Lucida Console'>)</font> 
                <font color='#0000FF'>return</font> DNG;
            <font color='#0000FF'>else</font> <font color='#0000FF'>if</font><font face='Lucida Console'>(</font>buffer[<font color='#979000'>0</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>G</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>1</font>]<font color='#5555FF'>=</font><font color='#5555FF'>=</font>'<font color='#FF0000'>I</font>' <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> buffer[<font color='#979000'>2</font>] <font color='#5555FF'>=</font><font color='#5555FF'>=</font> '<font color='#FF0000'>F</font>'<font face='Lucida Console'>)</font> 
                <font color='#0000FF'>return</font> GIF;

            <font color='#0000FF'>return</font> UNKNOWN;
        <b>}</b>
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<font color='#009900'>// handle the differences in API between libgif v5 and older.
</font><font color='#0000FF'>#if</font> defined<font face='Lucida Console'>(</font>GIFLIB_MAJOR<font face='Lucida Console'>)</font> <font color='#5555FF'>&amp;</font><font color='#5555FF'>&amp;</font> GIFLIB_MAJOR <font color='#5555FF'>&gt;</font><font color='#5555FF'>=</font> <font color='#979000'>5</font>
<font color='#0000FF'>#define</font> DLIB_GIFLIB_HANDLE_DIFF_VERSIONS ,<font color='#979000'>0</font>
<font color='#0000FF'>#else</font>
<font color='#0000FF'>#define</font> DLIB_GIFLIB_HANDLE_DIFF_VERSIONS 
<font color='#0000FF'>#endif</font>

    <font color='#0000FF'>template</font> <font color='#5555FF'>&lt;</font><font color='#0000FF'>typename</font> image_type<font color='#5555FF'>&gt;</font>
    <font color='#0000FF'><u>void</u></font> <b><a name='load_image'></a>load_image</b> <font face='Lucida Console'>(</font>
        image_type<font color='#5555FF'>&amp;</font> image,
        <font color='#0000FF'>const</font> std::string<font color='#5555FF'>&amp;</font> file_name
    <font face='Lucida Console'>)</font>
    <b>{</b>
        <font color='#0000FF'>const</font> image_file_type::type im_type <font color='#5555FF'>=</font> image_file_type::<font color='#BB00BB'>read_type</font><font face='Lucida Console'>(</font>file_name<font face='Lucida Console'>)</font>;
        <font color='#0000FF'>switch</font> <font face='Lucida Console'>(</font>im_type<font face='Lucida Console'>)</font>
        <b>{</b>
            <font color='#0000FF'>case</font> image_file_type::BMP: <font color='#BB00BB'>load_bmp</font><font face='Lucida Console'>(</font>image, file_name<font face='Lucida Console'>)</font>; <font color='#0000FF'>return</font>;
            <font color='#0000FF'>case</font> image_file_type::DNG: <font color='#BB00BB'>load_dng</font><font face='Lucida Console'>(</font>image, file_name<font face='Lucida Console'>)</font>; <font color='#0000FF'>return</font>;
<font color='#0000FF'>#ifdef</font> DLIB_PNG_SUPPORT
            <font color='#0000FF'>case</font> image_file_type::PNG: <font color='#BB00BB'>load_png</font><font face='Lucida Console'>(</font>image, file_name<font face='Lucida Console'>)</font>; <font color='#0000FF'>return</font>;
<font color='#0000FF'>#endif</font>
<font color='#0000FF'>#ifdef</font> DLIB_JPEG_SUPPORT
            <font color='#0000FF'>case</font> image_file_type::JPG: <font color='#BB00BB'>load_jpeg</font><font face='Lucida Console'>(</font>image, file_name<font face='Lucida Console'>)</font>; <font color='#0000FF'>return</font>;
<font color='#0000FF'>#endif</font>
<font color='#0000FF'>#ifdef</font> DLIB_GIF_SUPPORT
            <font color='#0000FF'>case</font> image_file_type::GIF: 
            <b>{</b>
                image_view<font color='#5555FF'>&lt;</font>image_type<font color='#5555FF'>&gt;</font> <font color='#BB00BB'>img</font><font face='Lucida Console'>(</font>image<font face='Lucida Console'>)</font>;
                GifFileType<font color='#5555FF'>*</font> gif <font color='#5555FF'>=</font> <font color='#BB00BB'>DGifOpenFileName</font><font face='Lucida Console'>(</font>file_name.<font color='#BB00BB'>c_str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font> DLIB_GIFLIB_HANDLE_DIFF_VERSIONS<font face='Lucida Console'>)</font>;
                <font color='#0000FF'>try</font>
                <b>{</b>
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font> <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Couldn't open file </font>" <font color='#5555FF'>+</font> file_name<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#BB00BB'>DGifSlurp</font><font face='Lucida Console'>(</font>gif<font face='Lucida Console'>)</font> <font color='#5555FF'>!</font><font color='#5555FF'>=</font> GIF_OK<font face='Lucida Console'>)</font>
                        <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Error reading from </font>" <font color='#5555FF'>+</font> file_name<font face='Lucida Console'>)</font>;

                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ImageCount <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>1</font><font face='Lucida Console'>)</font>   <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Dlib only supports reading GIF files containing one image.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>  <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 1.</font>"<font face='Lucida Console'>)</font>;

                    ColorMapObject<font color='#5555FF'>*</font> cmo<font color='#5555FF'>=</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SColorMap?gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SColorMap:gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ImageDesc.ColorMap;

                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>cmo<font color='#5555FF'>=</font><font color='#5555FF'>=</font><font color='#979000'>0</font><font face='Lucida Console'>)</font>                                             <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 2.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>cmo<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>Colors <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>                                   <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 3.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ImageDesc.Width <font color='#5555FF'>!</font><font color='#5555FF'>=</font> gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SWidth<font face='Lucida Console'>)</font>   <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 4.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ImageDesc.Height <font color='#5555FF'>!</font><font color='#5555FF'>=</font> gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SHeight<font face='Lucida Console'>)</font> <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 5.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>RasterBits <font color='#5555FF'>=</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>                  <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 6.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>Image.Top <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>                                <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 7.</font>"<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>Image.Left <font color='#5555FF'>!</font><font color='#5555FF'>=</font> <font color='#979000'>0</font><font face='Lucida Console'>)</font>                               <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unsupported GIF format 8.</font>"<font face='Lucida Console'>)</font>;

                    img.<font color='#BB00BB'>set_size</font><font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SHeight, gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SWidth<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'><u>unsigned</u></font> <font color='#0000FF'><u>char</u></font><font color='#5555FF'>*</font> raster <font color='#5555FF'>=</font> gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>SavedImages<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>RasterBits;
                    GifColorType<font color='#5555FF'>*</font> colormap <font color='#5555FF'>=</font> cmo<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>Colors;
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>Image.Interlace<font face='Lucida Console'>)</font> 
                    <b>{</b>
                        <font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> interlaced_offset[] <font color='#5555FF'>=</font> <b>{</b> <font color='#979000'>0</font>, <font color='#979000'>4</font>, <font color='#979000'>2</font>, <font color='#979000'>1</font> <b>}</b>; 
                        <font color='#0000FF'>const</font> <font color='#0000FF'><u>long</u></font> interlaced_jumps[] <font color='#5555FF'>=</font> <b>{</b> <font color='#979000'>8</font>, <font color='#979000'>8</font>, <font color='#979000'>4</font>, <font color='#979000'>2</font> <b>}</b>; 
                        <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>int</u></font> i <font color='#5555FF'>=</font> <font color='#979000'>0</font>; i <font color='#5555FF'>&lt;</font> <font color='#979000'>4</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>i<font face='Lucida Console'>)</font>
                        <b>{</b>
                            <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> r <font color='#5555FF'>=</font> interlaced_offset[i]; r <font color='#5555FF'>&lt;</font> img.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; r <font color='#5555FF'>+</font><font color='#5555FF'>=</font> interlaced_jumps[i]<font face='Lucida Console'>)</font> 
                            <b>{</b>
                                <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> c <font color='#5555FF'>=</font> <font color='#979000'>0</font>; c <font color='#5555FF'>&lt;</font> img.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>c<font face='Lucida Console'>)</font>
                                <b>{</b>
                                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#5555FF'>*</font>raster <font color='#5555FF'>&gt;</font><font color='#5555FF'>=</font> cmo<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ColorCount<font face='Lucida Console'>)</font>
                                        <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Invalid GIF color value</font>"<font face='Lucida Console'>)</font>;
                                    rgb_pixel p;
                                    p.red <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Red;
                                    p.green <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Green;
                                    p.blue <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Blue;
                                    <font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>img[r][c], p<font face='Lucida Console'>)</font>;
                                    <font color='#5555FF'>+</font><font color='#5555FF'>+</font>raster;
                                <b>}</b>
                            <b>}</b>
                        <b>}</b>
                    <b>}</b>
                    <font color='#0000FF'>else</font> 
                    <b>{</b>
                        <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> r <font color='#5555FF'>=</font> <font color='#979000'>0</font>; r <font color='#5555FF'>&lt;</font> img.<font color='#BB00BB'>nr</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>r<font face='Lucida Console'>)</font>
                        <b>{</b>
                            <font color='#0000FF'>for</font> <font face='Lucida Console'>(</font><font color='#0000FF'><u>long</u></font> c <font color='#5555FF'>=</font> <font color='#979000'>0</font>; c <font color='#5555FF'>&lt;</font> img.<font color='#BB00BB'>nc</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font>; <font color='#5555FF'>+</font><font color='#5555FF'>+</font>c<font face='Lucida Console'>)</font>
                            <b>{</b>
                                <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font><font color='#5555FF'>*</font>raster <font color='#5555FF'>&gt;</font><font color='#5555FF'>=</font> cmo<font color='#5555FF'>-</font><font color='#5555FF'>&gt;</font>ColorCount<font face='Lucida Console'>)</font>
                                    <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Invalid GIF color value</font>"<font face='Lucida Console'>)</font>;
                                rgb_pixel p;
                                p.red <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Red;
                                p.green <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Green;
                                p.blue <font color='#5555FF'>=</font> colormap[<font color='#5555FF'>*</font>raster].Blue;
                                <font color='#BB00BB'>assign_pixel</font><font face='Lucida Console'>(</font>img[r][c], p<font face='Lucida Console'>)</font>;
                                <font color='#5555FF'>+</font><font color='#5555FF'>+</font>raster;
                            <b>}</b>
                        <b>}</b>
                    <b>}</b>
                    <font color='#BB00BB'>DGifCloseFile</font><font face='Lucida Console'>(</font>gif DLIB_GIFLIB_HANDLE_DIFF_VERSIONS<font face='Lucida Console'>)</font>;
                <b>}</b>
                <font color='#0000FF'>catch</font><font face='Lucida Console'>(</font>...<font face='Lucida Console'>)</font>
                <b>{</b>
                    <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>gif<font face='Lucida Console'>)</font>
                        <font color='#BB00BB'>DGifCloseFile</font><font face='Lucida Console'>(</font>gif DLIB_GIFLIB_HANDLE_DIFF_VERSIONS<font face='Lucida Console'>)</font>;
                    <font color='#0000FF'>throw</font>;
                <b>}</b>
                <font color='#0000FF'>return</font>;
            <b>}</b>
<font color='#0000FF'>#endif</font>
            <font color='#0000FF'>default</font>:  ;
        <b>}</b>

        <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>im_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> image_file_type::JPG<font face='Lucida Console'>)</font>
        <b>{</b>
            std::ostringstream sout;
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Unable to load image in file </font>" <font color='#5555FF'>+</font> file_name <font color='#5555FF'>+</font> "<font color='#CC0000'>.\n</font>" <font color='#5555FF'>+</font>
                    "<font color='#CC0000'>You must #define DLIB_JPEG_SUPPORT and link to libjpeg to read JPEG files.\n</font>" <font color='#5555FF'>+</font>
                    "<font color='#CC0000'>Do this by following the instructions at http://dlib.net/compile.html.\n\n</font>";
<font color='#0000FF'>#ifdef</font> _MSC_VER
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_JPEG_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, add it to the C/C++-&gt;Preprocessor-&gt;Preprocessor Definitions\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>field in Visual Studio's Property Pages window so it takes effect for your entire application.</font>";
<font color='#0000FF'>#else</font>
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_JPEG_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, use a compiler switch like -DDLIB_JPEG_SUPPORT\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>so it takes effect for your entire application.</font>";
<font color='#0000FF'>#endif</font>
            <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>sout.<font color='#BB00BB'>str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
        <b>}</b>
        <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>im_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> image_file_type::PNG<font face='Lucida Console'>)</font>
        <b>{</b>
            std::ostringstream sout;
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Unable to load image in file </font>" <font color='#5555FF'>+</font> file_name <font color='#5555FF'>+</font> "<font color='#CC0000'>.\n</font>" <font color='#5555FF'>+</font>
                    "<font color='#CC0000'>You must #define DLIB_PNG_SUPPORT and link to libpng to read PNG files.\n</font>" <font color='#5555FF'>+</font>
                    "<font color='#CC0000'>Do this by following the instructions at http://dlib.net/compile.html.\n\n</font>";
<font color='#0000FF'>#ifdef</font> _MSC_VER
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_PNG_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, add it to the C/C++-&gt;Preprocessor-&gt;Preprocessor Definitions\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>field in Visual Studio's Property Pages window so it takes effect for your entire application.\n</font>";
<font color='#0000FF'>#else</font>
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_PNG_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, use a compiler switch like -DDLIB_PNG_SUPPORT\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>so it takes effect for your entire application.</font>";
<font color='#0000FF'>#endif</font>
            <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>sout.<font color='#BB00BB'>str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
        <b>}</b>
        <font color='#0000FF'>else</font> <font color='#0000FF'>if</font> <font face='Lucida Console'>(</font>im_type <font color='#5555FF'>=</font><font color='#5555FF'>=</font> image_file_type::GIF<font face='Lucida Console'>)</font>
        <b>{</b>
            std::ostringstream sout;
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Unable to load image in file </font>" <font color='#5555FF'>+</font> file_name <font color='#5555FF'>+</font> "<font color='#CC0000'>.\n</font>" <font color='#5555FF'>+</font>
                    "<font color='#CC0000'>You must #define DLIB_GIF_SUPPORT and link to libgif to read GIF files.\n\n</font>";
<font color='#0000FF'>#ifdef</font> _MSC_VER
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_GIF_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, add it to the C/C++-&gt;Preprocessor-&gt;Preprocessor Definitions\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>field in Visual Studio's Property Pages window so it takes effect for your entire application.\n</font>";
<font color='#0000FF'>#else</font>
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>Note that you must cause DLIB_GIF_SUPPORT to be defined for your entire project.\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>So don't #define it in one file. Instead, use a compiler switch like -DDLIB_GIF_SUPPORT\n</font>";
            sout <font color='#5555FF'>&lt;</font><font color='#5555FF'>&lt;</font> "<font color='#CC0000'>so it takes effect for your entire application.</font>";
<font color='#0000FF'>#endif</font>
            <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>sout.<font color='#BB00BB'>str</font><font face='Lucida Console'>(</font><font face='Lucida Console'>)</font><font face='Lucida Console'>)</font>;
        <b>}</b>
        <font color='#0000FF'>else</font>
        <b>{</b>
            <font color='#0000FF'>throw</font> <font color='#BB00BB'>image_load_error</font><font face='Lucida Console'>(</font>"<font color='#CC0000'>Unknown image file format: Unable to load image in file </font>" <font color='#5555FF'>+</font> file_name<font face='Lucida Console'>)</font>;
        <b>}</b>
    <b>}</b>

<font color='#009900'>// ----------------------------------------------------------------------------------------
</font>
<b>}</b>

<font color='#0000FF'>#endif</font> <font color='#009900'>// DLIB_LOAd_IMAGE_Hh_ 
</font>

</pre></body></html>