source/globals.h

   1 /* This file is part of Shapes.
   2  *
   3  * Shapes is free software: you can redistribute it and/or modify
   4  * it under the terms of the GNU General Public License as published by
   5  * the Free Software Foundation, either version 3 of the License, or
   6  * any later version.
   7  *
   8  * Shapes is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11  * GNU General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU General Public License
  14  * along with Shapes.  If not, see <http://www.gnu.org/licenses/>.
  15  *
  16  * Copyright 2008, 2010 Henrik Tidefelt
  17  */
  18
  19 #pragma once
  20
  21 #include "Shapes_Lang_decls.h"
  22 #include "Shapes_Kernel_decls.h"
  23 #include "Shapes_Computation_decls.h"
  24 #include "Shapes_Concrete_decls.h"
  25 #include "Shapes_Helpers_decls.h"
  26 #include "Shapes_Exceptions_decls.h"
  27 #include "SimplePDF_decls.h"
  28 #include "FontMetrics_decls.h"
  29
  30 #include "refcount.h"
  31 #include "ptrowner.h"
  32 #include "elementarylength.h"
  33 #include "simplepdfo.h"
  34 #include "pdfimport.h"
  35 #include "config.h"
  36
  37 #ifdef HAVE_FT2
  38 #include <ft2build.h>
  39 #include FT_FREETYPE_H
  40 #endif
  41
  42 // The following types do not belong to any particular namespace for some reason, and are therefore declared like this:
  43 class ShapesScanner;
  44
  45
  46 namespace Shapes
  47 {
  48
  49         namespace Interaction
  50         {
  51
  52                 extern bool debugBacktrace;
  53                 extern bool debugSystem;
  54                 extern size_t debugStep;
  55                 extern const char * displayUnitName;
  56                 extern Concrete::Length displayUnit;
  57                 extern double displayUnitFactor;
  58                 extern bool fontMetricMessages;
  59                 extern bool fontMetricDebug;
  60                 extern bool characterColumnInBytes;
  61                 extern bool pdfLaTeXInteractionTo_stderr;
  62                 extern bool logGlobals;
  63                 typedef enum { WARNING_DISPLAY = 0, WARNING_ERROR, WARNING_IGNORE } WarningAction;
  64                 extern WarningAction warningAction;
  65
  66         }
  67
  68         namespace Computation
  69         {
  70
  71                 extern Concrete::Length the_arcdelta;
  72                 extern double the_dtMin;
  73                 extern bool dtMinIsError;
  74                 extern Concrete::Length theDistanceTol;
  75                 extern Concrete::Length theTrixelizeSplicingTol;
  76                 extern Concrete::Length theTrixelizeOverlapTol;
  77                 extern RefCountPtr< const Computation::PaintedPolygon3D > THE_NULL_POLYGON3D;
  78                 extern bool fontMetricGuessIsError;
  79                 extern Computation::BasicSimplex theTwoTriangleSimplex;
  80         }
  81
  82         namespace Kernel
  83         {
  84
  85                 extern Kernel::PassedEnv theGlobalEnvironment; // Useful for functions in the core refering to their home environment.
  86                 extern std::list< Kernel::Environment * > theEnvironmentList;
  87                 extern Kernel::TeXLabelManager theTeXLabelManager;
  88                 extern SimplePDF::PDF_Version the_PDF_version;
  89                 extern bool allowTransparency;
  90                 extern bool allowSingletonPaths;
  91                 extern size_t theIndirectObjectCount;
  92                 extern SimplePDF::DocumentInfo theDocInfo;
  93                 extern Kernel::Import thePDFImporter;
  94                 extern Kernel::DebugLog theDebugLog;
  95
  96                 extern RefCountPtr< const Kernel::GraphicsState > THE_NO_STATE;
  97                 extern RefCountPtr< const Kernel::GraphicsState > THE_DEFAULT_STATE;
  98
  99                 extern RefCountPtr< const Lang::Function > THE_NO_FUNCTION;
 100
 101                 extern Arguments EMPTY_ARGLIST;
 102                 extern VariableHandle THE_SLOT_VARIABLE;
 103                 extern VariableHandle THE_FALSE_VARIABLE;
 104                 extern VariableHandle THE_TRUE_VARIABLE;
 105                 extern VariableHandle THE_VOID_VARIABLE;
 106
 107                 extern StateHandle THE_SLOT_STATE;
 108
 109                 extern RefCountPtr< const Lang::Symbol > THE_NAVIGATION_SYMBOL;
 110                 extern RefCountPtr< const Lang::Symbol > THE_ANNOTATION_SYMBOL;
 111
 112                 extern PtrOwner_back_Access< std::list< Exceptions::Exception * > > thePostCheckErrorsList;
 113
 114 #ifdef HAVE_FT2
 115                 extern FT_Library theFreeType;
 116                 const char * FreeTypeErrorMessage( FT_Error code );
 117 #endif
 118         }
 119
 120         namespace Lang
 121         {
 122
 123                 extern RefCountPtr< const Lang::GroupNull2D > THE_NULL2D;
 124                 extern RefCountPtr< const Lang::GroupNull3D > THE_NULL3D;
 125                 extern RefCountPtr< const Lang::DynamicBindings > THE_NULL_DYNAMIC_BINDINGS;
 126                 extern RefCountPtr< const Lang::LightGroup > THE_NULL_LIGHTS;
 127                 extern RefCountPtr< const Lang::SingleListNull > THE_CONS_NULL;
 128                 extern RefCountPtr< const Lang::Structure > THE_EMPTY_STRUCT;
 129                 extern RefCountPtr< const Lang::SpecularReflectionNull > THE_SPECULARREFLECTION_NULL;
 130                 //              extern RefCountPtr< const Lang::PaintedPoltgon2D > THE_NULL_POLYGON2D;
 131                 extern RefCountPtr< const Lang::ColorSpace > THE_INHERITED_COLOR_SPACE;
 132                 extern RefCountPtr< const Lang::ColorSpace > THE_COLOR_SPACE_DEVICE_GRAY;
 133                 extern RefCountPtr< const Lang::ColorSpace > THE_COLOR_SPACE_DEVICE_RGB;
 134                 extern RefCountPtr< const Lang::ColorSpace > THE_COLOR_SPACE_DEVICE_CMYK;
 135                 extern RefCountPtr< const Lang::Drawable2D > THE_POINTPICTURE;
 136                 extern RefCountPtr< const Lang::Void > THE_VOID;
 137                 extern RefCountPtr< const Lang::ElementaryPath2D > THE_EMPTYPATH2D;
 138                 extern RefCountPtr< const Lang::ElementaryPath3D > THE_EMPTYPATH3D;
 139                 extern RefCountPtr< const Lang::Boolean > THE_FALSE;
 140                 extern RefCountPtr< const Lang::Boolean > THE_TRUE;
 141                 extern RefCountPtr< const Lang::Gray > THE_BLACK;
 142                 extern RefCountPtr< const Lang::Gray > THE_OCCLUDING_WHITE;
 143                 extern RefCountPtr< const Lang::Alpha > THE_OPAQUE;
 144                 extern RefCountPtr< const Lang::Class > THE_OBJECT;
 145                 extern RefCountPtr< const Lang::CoreFunction > THE_NO_ARROW;
 146                 extern RefCountPtr< const Lang::CoreFunction > THE_IDENTITY;
 147                 extern RefCountPtr< const Lang::Dash > THE_SOLID_DASH;
 148                 extern RefCountPtr< const Lang::SoftMask > THE_NONE_MASK;
 149                 extern RefCountPtr< const Lang::SoftMask > THE_SAME_MASK;
 150                 extern RefCountPtr< const Lang::Font > THE_FONT_HELVETICA;
 151
 152                 extern Transform2D THE_2D_IDENTITY;
 153                 extern Transform3D THE_3D_IDENTITY;
 154
 155                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_MINUSMINUS;
 156                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_PLUSPLUS;
 157                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_AMPERSAND;
 158                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_AMPERSAND_MORE;
 159                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_PLUS;
 160                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_MINUS;
 161                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_ANGLE;
 162                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_STAR;
 163                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_PROJECTION;
 164                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_SLASH;
 165                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_COMPOSE;
 166                 extern RefCountPtr< const Lang::UnaryOperatorFunction > THE_OPERATOR_NEG;
 167                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_LESS;
 168                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_GREATER;
 169                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_EQEQ;
 170                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_EQNEQ;
 171                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_LESSEQ;
 172                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_GREATEREQ;
 173                 extern RefCountPtr< const Lang::UnaryOperatorFunction > THE_OPERATOR_NOT;
 174                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_AND;
 175                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_OR;
 176                 extern RefCountPtr< const Lang::BinaryOperatorFunction > THE_OPERATOR_XOR;
 177
 178                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_ABS;
 179                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_RANGE;
 180         }
 181
 182         namespace Ast
 183         {
 184
 185                 extern ShapesScanner theShapesScanner;
 186                 extern Ast::Expression * theProgram;
 187                 extern std::list< Ast::Node * > * theInteractiveInput;
 188                 extern PtrOwner_back_Access< std::list< Ast::AnalysisEnvironment * > > theAnalysisEnvironmentList;
 189                 extern Ast::AnalysisEnvironment * theGlobalAnalysisEnvironment;
 190                 extern Ast::DummyExpression THE_CORE_DEFAULT_VALUE_EXPRESSION;
 191                 extern Ast::DummyExpression THE_INTERNAL_VALUE_EXPRESSION;
 192
 193                 extern PtrOwner_back_Access< std::list< Exceptions::Exception * > > theAnalysisErrorsList;
 194
 195                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_coords2D;
 196                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_cornercoords2D;
 197                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_coords3D;
 198                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_polarHandle2DFree_r;
 199                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_polarHandle2DFree_ra;
 200                 extern RefCountPtr< const Lang::CoreFunction > THE_FUNCTION_TeX;
 201
 202         }
 203
 204         namespace Interaction
 205         {
 206                 void warn_or_push( Exceptions::Exception * message, PtrOwner_back_Access< std::list< Exceptions::Exception * > > * errorsList );
 207                 void displayWarning( const Exceptions::Exception & ball );
 208         }
 209
 210 }