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-rw-r--r--ml/dlib/dlib/image_loader/load_image.h226
1 files changed, 0 insertions, 226 deletions
diff --git a/ml/dlib/dlib/image_loader/load_image.h b/ml/dlib/dlib/image_loader/load_image.h
deleted file mode 100644
index 64ccea9f2..000000000
--- a/ml/dlib/dlib/image_loader/load_image.h
+++ /dev/null
@@ -1,226 +0,0 @@
-// Copyright (C) 2011 Davis E. King (davis@dlib.net), Nils Labugt, Changjiang Yang (yangcha@leidos.com)
-// License: Boost Software License See LICENSE.txt for the full license.
-#ifndef DLIB_LOAd_IMAGE_Hh_
-#define DLIB_LOAd_IMAGE_Hh_
-
-#include "load_image_abstract.h"
-#include "../string.h"
-#include "png_loader.h"
-#include "jpeg_loader.h"
-#include "image_loader.h"
-#include <fstream>
-#include <sstream>
-#ifdef DLIB_GIF_SUPPORT
-#include <gif_lib.h>
-#endif
-
-namespace dlib
-{
- namespace image_file_type
- {
- enum type
- {
- BMP,
- JPG,
- PNG,
- DNG,
- GIF,
- UNKNOWN
- };
-
- inline type read_type(const std::string& file_name)
- {
- std::ifstream file(file_name.c_str(), std::ios::in|std::ios::binary);
- if (!file)
- throw image_load_error("Unable to open file: " + file_name);
-
- char buffer[9];
- file.read((char*)buffer, 8);
- buffer[8] = 0;
-
- // Determine the true image type using link:
- // http://en.wikipedia.org/wiki/List_of_file_signatures
-
- if (strcmp(buffer, "\x89\x50\x4E\x47\x0D\x0A\x1A\x0A") == 0)
- return PNG;
- else if(buffer[0]=='\xff' && buffer[1]=='\xd8' && buffer[2]=='\xff')
- return JPG;
- else if(buffer[0]=='B' && buffer[1]=='M')
- return BMP;
- else if(buffer[0]=='D' && buffer[1]=='N' && buffer[2] == 'G')
- return DNG;
- else if(buffer[0]=='G' && buffer[1]=='I' && buffer[2] == 'F')
- return GIF;
-
- return UNKNOWN;
- }
- };
-
-// ----------------------------------------------------------------------------------------
-
-// handle the differences in API between libgif v5 and older.
-#if defined(GIFLIB_MAJOR) && GIFLIB_MAJOR >= 5
-#define DLIB_GIFLIB_HANDLE_DIFF_VERSIONS ,0
-#else
-#define DLIB_GIFLIB_HANDLE_DIFF_VERSIONS
-#endif
-
- template <typename image_type>
- void load_image (
- image_type& image,
- const std::string& file_name
- )
- {
- const image_file_type::type im_type = image_file_type::read_type(file_name);
- switch (im_type)
- {
- case image_file_type::BMP: load_bmp(image, file_name); return;
- case image_file_type::DNG: load_dng(image, file_name); return;
-#ifdef DLIB_PNG_SUPPORT
- case image_file_type::PNG: load_png(image, file_name); return;
-#endif
-#ifdef DLIB_JPEG_SUPPORT
- case image_file_type::JPG: load_jpeg(image, file_name); return;
-#endif
-#ifdef DLIB_GIF_SUPPORT
- case image_file_type::GIF:
- {
- image_view<image_type> img(image);
- GifFileType* gif = DGifOpenFileName(file_name.c_str() DLIB_GIFLIB_HANDLE_DIFF_VERSIONS);
- try
- {
- if (gif == 0) throw image_load_error("Couldn't open file " + file_name);
- if (DGifSlurp(gif) != GIF_OK)
- throw image_load_error("Error reading from " + file_name);
-
- if (gif->ImageCount != 1) throw image_load_error("Dlib only supports reading GIF files containing one image.");
- if (gif->SavedImages == 0) throw image_load_error("Unsupported GIF format 1.");
-
- ColorMapObject* cmo=gif->SColorMap?gif->SColorMap:gif->SavedImages->ImageDesc.ColorMap;
-
- if (cmo==0) throw image_load_error("Unsupported GIF format 2.");
- if (cmo->Colors == 0) throw image_load_error("Unsupported GIF format 3.");
- if (gif->SavedImages->ImageDesc.Width != gif->SWidth) throw image_load_error("Unsupported GIF format 4.");
- if (gif->SavedImages->ImageDesc.Height != gif->SHeight) throw image_load_error("Unsupported GIF format 5.");
- if (gif->SavedImages->RasterBits == 0) throw image_load_error("Unsupported GIF format 6.");
- if (gif->Image.Top != 0) throw image_load_error("Unsupported GIF format 7.");
- if (gif->Image.Left != 0) throw image_load_error("Unsupported GIF format 8.");
-
- img.set_size(gif->SHeight, gif->SWidth);
- unsigned char* raster = gif->SavedImages->RasterBits;
- GifColorType* colormap = cmo->Colors;
- if (gif->Image.Interlace)
- {
- const long interlaced_offset[] = { 0, 4, 2, 1 };
- const long interlaced_jumps[] = { 8, 8, 4, 2 };
- for (int i = 0; i < 4; ++i)
- {
- for (long r = interlaced_offset[i]; r < img.nr(); r += interlaced_jumps[i])
- {
- for (long c = 0; c < img.nc(); ++c)
- {
- if (*raster >= cmo->ColorCount)
- throw image_load_error("Invalid GIF color value");
- rgb_pixel p;
- p.red = colormap[*raster].Red;
- p.green = colormap[*raster].Green;
- p.blue = colormap[*raster].Blue;
- assign_pixel(img[r][c], p);
- ++raster;
- }
- }
- }
- }
- else
- {
- for (long r = 0; r < img.nr(); ++r)
- {
- for (long c = 0; c < img.nc(); ++c)
- {
- if (*raster >= cmo->ColorCount)
- throw image_load_error("Invalid GIF color value");
- rgb_pixel p;
- p.red = colormap[*raster].Red;
- p.green = colormap[*raster].Green;
- p.blue = colormap[*raster].Blue;
- assign_pixel(img[r][c], p);
- ++raster;
- }
- }
- }
- DGifCloseFile(gif DLIB_GIFLIB_HANDLE_DIFF_VERSIONS);
- }
- catch(...)
- {
- if (gif)
- DGifCloseFile(gif DLIB_GIFLIB_HANDLE_DIFF_VERSIONS);
- throw;
- }
- return;
- }
-#endif
- default: ;
- }
-
- if (im_type == image_file_type::JPG)
- {
- std::ostringstream sout;
- sout << "Unable to load image in file " + file_name + ".\n" +
- "You must #define DLIB_JPEG_SUPPORT and link to libjpeg to read JPEG files.\n" +
- "Do this by following the instructions at http://dlib.net/compile.html.\n\n";
-#ifdef _MSC_VER
- sout << "Note that you must cause DLIB_JPEG_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, add it to the C/C++->Preprocessor->Preprocessor Definitions\n";
- sout << "field in Visual Studio's Property Pages window so it takes effect for your entire application.";
-#else
- sout << "Note that you must cause DLIB_JPEG_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, use a compiler switch like -DDLIB_JPEG_SUPPORT\n";
- sout << "so it takes effect for your entire application.";
-#endif
- throw image_load_error(sout.str());
- }
- else if (im_type == image_file_type::PNG)
- {
- std::ostringstream sout;
- sout << "Unable to load image in file " + file_name + ".\n" +
- "You must #define DLIB_PNG_SUPPORT and link to libpng to read PNG files.\n" +
- "Do this by following the instructions at http://dlib.net/compile.html.\n\n";
-#ifdef _MSC_VER
- sout << "Note that you must cause DLIB_PNG_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, add it to the C/C++->Preprocessor->Preprocessor Definitions\n";
- sout << "field in Visual Studio's Property Pages window so it takes effect for your entire application.\n";
-#else
- sout << "Note that you must cause DLIB_PNG_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, use a compiler switch like -DDLIB_PNG_SUPPORT\n";
- sout << "so it takes effect for your entire application.";
-#endif
- throw image_load_error(sout.str());
- }
- else if (im_type == image_file_type::GIF)
- {
- std::ostringstream sout;
- sout << "Unable to load image in file " + file_name + ".\n" +
- "You must #define DLIB_GIF_SUPPORT and link to libgif to read GIF files.\n\n";
-#ifdef _MSC_VER
- sout << "Note that you must cause DLIB_GIF_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, add it to the C/C++->Preprocessor->Preprocessor Definitions\n";
- sout << "field in Visual Studio's Property Pages window so it takes effect for your entire application.\n";
-#else
- sout << "Note that you must cause DLIB_GIF_SUPPORT to be defined for your entire project.\n";
- sout << "So don't #define it in one file. Instead, use a compiler switch like -DDLIB_GIF_SUPPORT\n";
- sout << "so it takes effect for your entire application.";
-#endif
- throw image_load_error(sout.str());
- }
- else
- {
- throw image_load_error("Unknown image file format: Unable to load image in file " + file_name);
- }
- }
-
-// ----------------------------------------------------------------------------------------
-
-}
-
-#endif // DLIB_LOAd_IMAGE_Hh_
-
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