Remove use of std::binary_function

.gitignore

@@ -1,7 +1,5 @@
-*.dep
 fart
 *.bmp
 *.png
-parser/parser.tab.cc
+/.rscons*
-parser/parser.tab.hh
+/build/
-parser/lex.yy.cc

Makefile

@@ -1,10 +1,7 @@
-export SCONSFLAGS := -Q
+.PHONY: all
-
 all:
-	@scons
+	@./rscons
-
-install:
-	@scons $@
 
+.PHONY: clean
 clean:
-	@scons -c
+	@./rscons clean

Rakefile.rb

@@ -1,24 +0,0 @@
-require "rscons"
-
-task :default do
-  Rscons::Environment.new do |env|
-    env.build_root = "build"
-
-    lexer_source = "#{env.build_root}/lex.yy.cc"
-    env.CFile(lexer_source, "parser/parser.ll")
-
-    parser_source = "#{env.build_root}/parser.tab.cc"
-    env.CFile(parser_source, "parser/parser.yy")
-
-    sources = Dir["{util,shapes,main,distrib,parser}/**/*.cc"]
-    sources << lexer_source
-    sources << parser_source
-
-    env["CXXFLAGS"] += ["-Wall", "-O2"]
-    env["CPPPATH"] += Dir["{util,shapes,main,distrib,parser}/**/"]
-    env["CPPPATH"] << "."
-    env["LIBS"] += ["fl", "pthread", "freeimage"]
-
-    env.Program("fart", sources)
-  end
-end

Rsconscript

@@ -0,0 +1,19 @@
+configure do
+  check_cxx_compiler
+  check_program "flex"
+  check_program "bison"
+  check_lib "pthread"
+end
+
+env do |env|
+  env["CCFLAGS"] += %w[-Wall -O2]
+  env["CPPPATH"] += glob("src/**")
+
+  env.CFile("^/parser/lexer.cc", "src/parser/parser.ll")
+  env.CFile("^/parser/parser.cc", "src/parser/parser.yy")
+  env["CPPPATH"] += ["#{env.build_root}/parser"]
+
+  sources = glob("src/**/*.cc")
+  sources += ["^/parser/lexer.cc", "^/parser/parser.cc"]
+  env.Program("fart", sources)
+end

SConstruct

@@ -1,25 +0,0 @@
-# vim:syntax=python
-
-import os
-
-target = 'fart'
-subdirs = ['util', 'shapes', 'main', 'distrib']
-parser_sources = Glob('parser/*.cc')
-sources = map(lambda x: Glob(x + '/*.cc'), subdirs)
-lexer_source = 'parser/lex.yy.cc'
-parser_source = 'parser/parser.tab.cc'
-for f in parser_sources:
-    if str(f) != lexer_source and str(f) != parser_source:
-        sources.append(f)
-sources += [lexer_source, parser_source]
-
-env = Environment(CPPFLAGS = '-I.',
-        CXXFLAGS = '-Wall -O2',
-        YACCFLAGS = '-d',
-        LIBS = ['-lfl', '-lpthread', '-lfreeimage'])
-
-lexer = env.CXXFile(lexer_source, 'parser/parser.ll')
-parser = env.CXXFile(parser_source, 'parser/parser.yy')
-env.Depends(lexer, parser_source)
-
-env.Program(target, sources)

configure

@@ -0,0 +1,2 @@
+#!/bin/sh
+exec ./rscons configure "$@"

rscons

@@ -0,0 +1,46 @@
+#!/usr/bin/env ruby
+
+# Copyright (c) 2013-2022 Josh Holtrop
+#
+# MIT License
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+
+script = File.join(File.dirname(__FILE__), ".rscons-3.1.0-4892f95d56c30bbe9aa0c9964062ec5b.rb")
+unless File.exist?(script)
+  if File.read(__FILE__, mode: "rb") =~ /^#==>(.*)/
+    require "zlib"
+    require "base64"
+    encoded_compressed = $1
+    unescaped_compressed = Base64.decode64(encoded_compressed)
+    inflated = Zlib::Inflate.inflate(unescaped_compressed)
+    File.open(script, "wb") do |fh|
+      fh.write(inflated)
+    end
+  else
+    raise "Could not decompress."
+  end
+end
+load script
+if __FILE__ == $0
+  Rscons::Cli.new.run(ARGV)
+end
+#==>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 truncated

src/main/Scene-load.cc

@@ -6,6 +6,7 @@
 
 #include "Scene.h"
 #include "Light.h"
+#include "util/stb_image.h"
 #include "parser/parser.h"
 #include "parser/nodes.h"
 #include "util/Polygon.h"
@@ -347,19 +348,23 @@ refptr<Material> Scene::processMaterial(refptr<Node> node)
         else if ( typeid(**it) == typeid(TextureNode) )
         {
             string filename = (*it)->getString();
-            FIBITMAP * fib = NULL;
+            Texture * texture = NULL;
             if (m_textures.find(filename) != m_textures.end())
             {
                 /* texture already loaded */
-                fib = m_textures[filename];
+                texture = m_textures[filename];
             }
             else
             {
-                fib = loadTexture((*it)->getString());
+                texture = loadTexture(filename);
-            }
+                if (texture != NULL)
-            if (fib != NULL)
                 {
-                material->setTexture(fib);
+                    m_textures[filename] = texture;
+                }
+            }
+            if (texture != NULL)
+            {
+                material->setTexture(texture);
             }
         }
     }
@@ -811,30 +816,24 @@ void Scene::processShapeDefinition(refptr<Node> node)
     m_transforms.pop();
 }
 
-FIBITMAP * Scene::loadTexture(const std::string & filename)
+Texture * Scene::loadTexture(const std::string & filename)
 {
-    FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(filename.c_str(), 0);
+    int width = 0;
-    if (fif == FIF_UNKNOWN)
+    int height = 0;
+    int channels = 0;
+    /* request 4 channels so the data is always tightly packed RGBA */
+    unsigned char * data = stbi_load(filename.c_str(), &width, &height,
+        &channels, 4);
+    if (data == NULL)
     {
-        fif = FreeImage_GetFIFFromFilename(filename.c_str());
+        cerr << "Error: image \"" << filename << "\" could not be loaded: "
-        if (fif == FIF_UNKNOWN)
+            << stbi_failure_reason() << endl;
-        {
-            cerr << "Error: couldn't determine image format for \""
-                << filename << "\"" << endl;
         return NULL;
     }
-    }
+    Texture * texture = new Texture;
-    if (!FreeImage_FIFSupportsReading(fif))
+    texture->width = width;
-    {
+    texture->height = height;
-        cerr << "Error: image format of \"" << filename
+    texture->channels = 4;
-            << "\" does not support reading" << endl;
+    texture->data = data;
-        return NULL;
+    return texture;
-    }
-    FIBITMAP * fib = FreeImage_Load(fif, filename.c_str(), 0);
-    if (fib == NULL)
-    {
-        cerr << "Error: image \"" << filename << "\" could not be loaded"
-            << endl;
-    }
-    return fib;
 }

src/main/Scene.cc

@@ -7,11 +7,11 @@
 #include <utility>              /* pair */
 #include <map>
 #include <algorithm>            /* sort() */
-#include <functional>           /* binary_function */
 #include <typeinfo>             /* typeid operator support */
 
 #include "Scene.h"
 #include "BMP.h"
+#include "util/stb_image.h"
 #include "util/Color.h"
 #include "shapes/Shape.h"
 #include "Light.h"
@@ -75,12 +75,13 @@ Scene::Scene(const map<string, const char *> & options,
 
 Scene::~Scene()
 {
-    /* clean up any textures loaded with freeimage */
+    /* clean up any textures loaded with stb_image */
-    for (std::map< std::string, FIBITMAP * >::iterator it = m_textures.begin();
+    for (std::map< std::string, Texture * >::iterator it = m_textures.begin();
          it != m_textures.end();
          it++)
     {
-        FreeImage_Unload(it->second);
+        stbi_image_free(it->second->data);
+        delete it->second;
     }
 }
 

src/main/Scene.h

@@ -8,8 +8,6 @@
 #include <utility>
 #include <stack>
 
-#include <FreeImage.h>
-
 #include "util/refptr.h"
 #include "util/Ray.h"
 #include "util/Color.h"
@@ -82,7 +80,7 @@ class Scene
         std::vector<ShapeRef> processForNode(refptr<Node> node);
         void processMaterialDefinition(refptr<Node> node);
         void processShapeDefinition(refptr<Node> node);
-        FIBITMAP * loadTexture(const std::string & filename);
+        Texture * loadTexture(const std::string & filename);
 
         /* rendering parameters */
         int m_width;
@@ -104,7 +102,7 @@ class Scene
         double m_sample_span;
         double m_half_sample_span;
         std::map< std::string, refptr<Material> > m_materials;
-        std::map< std::string, FIBITMAP * > m_textures;
+        std::map< std::string, Texture * > m_textures;
 };
 
 #endif

src/main/fart.cc

@@ -10,8 +10,6 @@
 #include <string>
 #include <map>
 
-#include <FreeImage.h>
-
 #include "Scene.h"
 #include "distrib/distrib.h"
 #include "BMP.h"
@@ -188,8 +186,6 @@ int main(int argc, char * argv[])
 
     srand(time(NULL));
 
-    FreeImage_Initialise(FALSE);
-
     const char * filename = argv[optind];
     client_options.push_back(filename);
     Scene scene(scene_options, filename);
@@ -338,8 +334,6 @@ int main(int argc, char * argv[])
         cout << endl;
     }
 
-    FreeImage_DeInitialise();
-
     exit(0);
     return 0;
 }

src/parser/parser.ll

@@ -1,5 +1,6 @@
 
 %option nounput
+%option noyywrap
 %option bison-locations
 
 %{
@@ -8,7 +9,7 @@
 
 #include "nodes.h"
 #include "parser.h"
-#include "parser.tab.hh"
+#include "parser.hh"
 
 #define YY_USER_ACTION yylloc->first_column += yyleng;
 

src/parser/parser.yy

@@ -8,7 +8,7 @@
 #include "util/Scope.h"
 #include "nodes.h"
 #include "parser.h"
-#include "parser.tab.hh"        /* bison-generated header with YY[SL]TYPE */
+#include "parser.hh" /* bison-generated header with YY[SL]TYPE */
 using namespace std;
 
 #define yyerror(msg) errFunc(msg, &yylloc)
@@ -19,19 +19,14 @@ extern FILE * yyin;
 
 void errFunc(const char * str, YYLTYPE * yyllocp);
 
-int yywrap()
-{
-    return 1;
-}
-
 static refptr<Node> parsed_scene_node;
 refptr<Scope> parser_scope;
 
 %}
 
-%pure-parser
+%define api.pure
 %locations
-%error-verbose
+%define parse.error verbose
 
 %token PLUS;
 %token MINUS;

src/shapes/Shape.cc

@@ -1,7 +1,6 @@
 
 #include "Shape.h"
 #include <algorithm>                /* sort() */
-#include <functional>               /* binary_function */
 #include <utility>
 using namespace std;
 
@@ -28,9 +27,6 @@ void Shape::setMaterial(refptr<Material> material)
 }
 
 class BoolIntersectionComparator
-    : public std::binary_function<Shape::BoolIntersection,
-                                  Shape::BoolIntersection,
-                                  bool>
 {
     public:
         BoolIntersectionComparator(const Vector & refPoint)

src/util/Material.h

@@ -2,8 +2,7 @@
 #ifndef MATERIAL_H
 #define MATERIAL_H MATERIAL_H
 
-#include <FreeImage.h>
+#include "Texture.h"
-
 #include "Color.h"
 
 class Material
@@ -55,8 +54,8 @@ class Material
         void setTransparency(double t) { m_transparency = t; }
         double getTransparency() const { return m_transparency; }
 
-        void setTexture(FIBITMAP * fib) { m_texture = fib; }
+        void setTexture(Texture * texture) { m_texture = texture; }
-        FIBITMAP * getTexture() const { return m_texture; }
+        Texture * getTexture() const { return m_texture; }
 
     protected:
         Color m_ambient_color;
@@ -66,7 +65,7 @@ class Material
         double m_reflectance;
         double m_refraction;
         double m_transparency;
-        FIBITMAP * m_texture;
+        Texture * m_texture;
 };
 
 #endif

src/util/Texture.h

@@ -0,0 +1,16 @@
+
+#ifndef TEXTURE_H
+#define TEXTURE_H TEXTURE_H
+
+/* A loaded image texture. Pixel data is stored as tightly packed RGBA
+ * bytes (4 channels) and is owned by this struct -- free it with
+ * stbi_image_free(). */
+struct Texture
+{
+    int width;
+    int height;
+    int channels;
+    unsigned char * data;
+};
+
+#endif

src/util/refptr.h

@@ -8,12 +8,12 @@ template <typename T>
 class refptr
 {
     public:
-        refptr<T>();
+        refptr();
-        refptr<T>(T * ptr);
+        refptr(T * ptr);
-        refptr<T>(const refptr<T> & orig);
+        refptr(const refptr<T> & orig);
-        refptr<T> & operator=(const refptr<T> & orig);
+        refptr & operator=(const refptr<T> & orig);
-        refptr<T> & operator=(T * ptr);
+        refptr & operator=(T * ptr);
-        ~refptr<T>();
+        ~refptr();
         T & operator*() const;
         T * operator->() const;
         bool isNull() const { return m_ptr == NULL; }

src/util/stb_image.cc

@@ -0,0 +1,5 @@
+
+/* Single translation unit that compiles the stb_image implementation. */
+
+#define STB_IMAGE_IMPLEMENTATION
+#include "stb_image.h"