Module: GLU

Extended by:: Fiddle::Importer

Defined in:: lib/glu.rb

Constant Summary collapse

GLU_EXT_object_space_tess = Extensions

GLU_EXT_nurbs_tessellator =

GLU_FALSE = Boolean

GLU_TRUE =

GLU_VERSION_1_1 = Version

GLU_VERSION_1_2 =

GLU_VERSION_1_3 =

GLU_VERSION = StringName

GLU_EXTENSIONS =

GLU_INVALID_ENUM = ErrorCode

GLU_INVALID_VALUE =

GLU_OUT_OF_MEMORY =

GLU_INCOMPATIBLE_GL_VERSION =

GLU_INVALID_OPERATION =

GLU_OUTLINE_POLYGON = NurbsDisplay GLU_FILL

GLU_OUTLINE_PATCH =

GLU_NURBS_ERROR = NurbsCallback

GLU_ERROR =

GLU_NURBS_BEGIN =

GLU_NURBS_BEGIN_EXT =

GLU_NURBS_VERTEX =

GLU_NURBS_VERTEX_EXT =

GLU_NURBS_NORMAL =

GLU_NURBS_NORMAL_EXT =

GLU_NURBS_COLOR =

GLU_NURBS_COLOR_EXT =

GLU_NURBS_TEXTURE_COORD =

GLU_NURBS_TEX_COORD_EXT =

GLU_NURBS_END =

GLU_NURBS_END_EXT =

GLU_NURBS_BEGIN_DATA =

GLU_NURBS_BEGIN_DATA_EXT =

GLU_NURBS_VERTEX_DATA =

GLU_NURBS_VERTEX_DATA_EXT =

GLU_NURBS_NORMAL_DATA =

GLU_NURBS_NORMAL_DATA_EXT =

GLU_NURBS_COLOR_DATA =

GLU_NURBS_COLOR_DATA_EXT =

GLU_NURBS_TEXTURE_COORD_DATA =

GLU_NURBS_TEX_COORD_DATA_EXT =

GLU_NURBS_END_DATA =

GLU_NURBS_END_DATA_EXT =

GLU_NURBS_ERROR1 = NurbsError

GLU_NURBS_ERROR2 = spline order un-supported

GLU_NURBS_ERROR3 = too few knots

GLU_NURBS_ERROR4 = valid knot range is empty

GLU_NURBS_ERROR5 = decreasing knot sequence

GLU_NURBS_ERROR6 = knot multiplicity > spline order

GLU_NURBS_ERROR7 = endcurve() must follow bgncurve()

GLU_NURBS_ERROR8 = bgncurve() must precede endcurve()

GLU_NURBS_ERROR9 = ctrlarray or knot vector is NULL

GLU_NURBS_ERROR10 = can’t draw pwlcurves

GLU_NURBS_ERROR11 = missing gluNurbsCurve()

GLU_NURBS_ERROR12 = missing gluNurbsSurface()

GLU_NURBS_ERROR13 = endtrim() must precede endsurface()

GLU_NURBS_ERROR14 = bgnsurface() must precede endsurface()

GLU_NURBS_ERROR15 = curve of improper type passed as trim curve

GLU_NURBS_ERROR16 = bgnsurface() must precede bgntrim()

GLU_NURBS_ERROR17 = endtrim() must follow bgntrim()

GLU_NURBS_ERROR18 = bgntrim() must precede endtrim()

GLU_NURBS_ERROR19 = invalid or missing trim curve

GLU_NURBS_ERROR20 = bgntrim() must precede pwlcurve()

GLU_NURBS_ERROR21 = pwlcurve referenced twice

GLU_NURBS_ERROR22 = pwlcurve and nurbscurve mixed

GLU_NURBS_ERROR23 = improper usage of trim data type

GLU_NURBS_ERROR24 = nurbscurve referenced twice

GLU_NURBS_ERROR25 = nurbscurve and pwlcurve mixed

GLU_NURBS_ERROR26 = nurbssurface referenced twice

GLU_NURBS_ERROR27 = invalid property

GLU_NURBS_ERROR28 = endsurface() must follow bgnsurface()

GLU_NURBS_ERROR29 = intersecting or misoriented trim curves

GLU_NURBS_ERROR30 = intersecting trim curves

GLU_NURBS_ERROR31 = UNUSED

GLU_NURBS_ERROR32 = unconnected trim curves

GLU_NURBS_ERROR33 = unknown knot error

GLU_NURBS_ERROR34 = negative vertex count encountered

GLU_NURBS_ERROR35 = negative byte-stride

GLU_NURBS_ERROR36 = unknown type descriptor

GLU_NURBS_ERROR37 = null control point reference

GLU_AUTO_LOAD_MATRIX = NurbsProperty

GLU_CULLING =

GLU_SAMPLING_TOLERANCE =

GLU_DISPLAY_MODE =

GLU_PARAMETRIC_TOLERANCE =

GLU_SAMPLING_METHOD =

GLU_U_STEP =

GLU_V_STEP =

GLU_NURBS_MODE =

GLU_NURBS_MODE_EXT =

GLU_NURBS_TESSELLATOR =

GLU_NURBS_TESSELLATOR_EXT =

GLU_NURBS_RENDERER =

GLU_NURBS_RENDERER_EXT =

GLU_OBJECT_PARAMETRIC_ERROR = NurbsSampling

GLU_OBJECT_PARAMETRIC_ERROR_EXT =

GLU_OBJECT_PATH_LENGTH =

GLU_OBJECT_PATH_LENGTH_EXT =

GLU_PATH_LENGTH =

GLU_PARAMETRIC_ERROR =

GLU_DOMAIN_DISTANCE =

GLU_MAP1_TRIM_2 = NurbsTrim

GLU_MAP1_TRIM_3 =

GLU_POINT = QuadricDrawStyle

GLU_LINE =

GLU_FILL =

GLU_SILHOUETTE =

GLU_SMOOTH = QuadricNormal

GLU_FLAT =

GLU_NONE =

GLU_OUTSIDE = QuadricOrientation

GLU_INSIDE =

GLU_TESS_BEGIN = TessCallback

GLU_BEGIN =

GLU_TESS_VERTEX =

GLU_VERTEX =

GLU_TESS_END =

GLU_END =

GLU_TESS_ERROR =

GLU_TESS_EDGE_FLAG =

GLU_EDGE_FLAG =

GLU_TESS_COMBINE =

GLU_TESS_BEGIN_DATA =

GLU_TESS_VERTEX_DATA =

GLU_TESS_END_DATA =

GLU_TESS_ERROR_DATA =

GLU_TESS_EDGE_FLAG_DATA =

GLU_TESS_COMBINE_DATA =

GLU_CW = TessContour

GLU_CCW =

GLU_INTERIOR =

GLU_EXTERIOR =

GLU_UNKNOWN =

GLU_TESS_WINDING_RULE = TessProperty

GLU_TESS_BOUNDARY_ONLY =

GLU_TESS_TOLERANCE =

GLU_TESS_ERROR1 = TessError

GLU_TESS_ERROR2 =

GLU_TESS_ERROR3 =

GLU_TESS_ERROR4 =

GLU_TESS_ERROR5 =

GLU_TESS_ERROR6 =

GLU_TESS_ERROR7 =

GLU_TESS_ERROR8 =

GLU_TESS_MISSING_BEGIN_POLYGON =

GLU_TESS_MISSING_BEGIN_CONTOUR =

GLU_TESS_MISSING_END_POLYGON =

GLU_TESS_MISSING_END_CONTOUR =

GLU_TESS_COORD_TOO_LARGE =

GLU_TESS_NEED_COMBINE_CALLBACK =

GLU_TESS_WINDING_ODD = TessWinding

GLU_TESS_WINDING_NONZERO =

GLU_TESS_WINDING_POSITIVE =

GLU_TESS_WINDING_NEGATIVE =

GLU_TESS_WINDING_ABS_GEQ_TWO =

GLU_TESS_MAX_COORD =

1.0e150

@@glu_cb_signature = typedefs

{
  :NurbsCallback => "void CallBackFunc()",
  :QuadricCallback => "void CallBackFunc()",
  :TessCallback => "void CallBackFunc()",
}

@@glu_import_done = struct

false

@@lib_signature =

[
  'void gluBeginCurve (void*)',
  'void gluBeginPolygon (void*)',
  'void gluBeginSurface (void*)',
  'void gluBeginTrim (void*)',
  'int32_t gluBuild1DMipmapLevels (uint32_t, int32_t, int32_t, uint32_t, uint32_t, int32_t, int32_t, int32_t, void*)', # Unavailable on Windows
  'int32_t gluBuild1DMipmaps (uint32_t, int32_t, int32_t, uint32_t, uint32_t, void*)',
  'int32_t gluBuild2DMipmapLevels (uint32_t, int32_t, int32_t, int32_t, uint32_t, uint32_t, int32_t, int32_t, int32_t, void*)', # Unavailable on Windows
  'int32_t gluBuild2DMipmaps (uint32_t, int32_t, int32_t, int32_t, uint32_t, uint32_t,  void*)',
  'int32_t gluBuild3DMipmapLevels (uint32_t, int32_t, int32_t, int32_t, int32_t, uint32_t, uint32_t, int32_t, int32_t, int32_t, void*)', # Unavailable on Windows
  'int32_t gluBuild3DMipmaps (uint32_t, int32_t, int32_t, int32_t, int32_t, uint32_t, uint32_t, void*)', # Unavailable on Windows
  'uint8_t gluCheckExtension (uint8_t*,  uint8_t*)', # Unavailable on Windows
  'void gluCylinder (void*, double, double, double, int32_t, int32_t)',
  'void gluDeleteNurbsRenderer (void*)',
  'void gluDeleteQuadric (void*)',
  'void gluDeleteTess (void*)',
  'void gluDisk (void*, double, double, int32_t, int32_t)',
  'void gluEndCurve (void*)',
  'void gluEndPolygon (void*)',
  'void gluEndSurface (void*)',
  'void gluEndTrim (void*)',
  'uint8_t* gluErrorString (uint32_t)',
  'void gluGetNurbsProperty (void*, uint32_t, float*)',
  'uint8_t* gluGetString (uint32_t)',
  'void gluGetTessProperty (void*, uint32_t, double*)',
  'void gluLoadSamplingMatrices (void*, float*, float*, int32_t*)',
  'void gluLookAt (double, double, double, double, double, double, double, double, double)',
  'void* gluNewNurbsRenderer ()',
  'void* gluNewQuadric ()',
  'void* gluNewTess ()',
  'void gluNextContour (void*, uint32_t)',
  'void gluNurbsCallback (void*, uint32_t, void*)',
  'void gluNurbsCallbackData (void*, void*)', # Unavailable on Windows
  'void gluNurbsCallbackDataEXT (void*, void*)', # Unavailable on Windows
  'void gluNurbsCurve (void*, int32_t, float*, int32_t, float*, int32_t, uint32_t)',
  'void gluNurbsProperty (void*, uint32_t, float)',
  'void gluNurbsSurface (void*, int32_t, float*, int32_t, float*, int32_t, int32_t, float*, int32_t, int32_t, uint32_t)',
  'void gluOrtho2D (double, double, double, double)',
  'void gluPartialDisk (void*, double, double, int32_t, int32_t, double, double)',
  'void gluPerspective (double, double, double, double)',
  'void gluPickMatrix (double, double, double, double, int32_t*)',
  'int32_t gluProject (double, double, double, double*, double*, int32_t*, double*, double*, double*)',
  'void gluPwlCurve (void*, int32_t, float*, int32_t, uint32_t)',
  'void gluQuadricCallback (void*, uint32_t, void*)',
  'void gluQuadricDrawStyle (void*, uint32_t)',
  'void gluQuadricNormals (void*, uint32_t)',
  'void gluQuadricOrientation (void*, uint32_t)',
  'void gluQuadricTexture (void*, uint8_t)',
  'int32_t gluScaleImage (uint32_t, int32_t, int32_t, uint32_t, void*, int32_t, int32_t, uint32_t, void*)',
  'void gluSphere (void*, double, int32_t, int32_t)',
  'void gluTessBeginContour (void*)',
  'void gluTessBeginPolygon (void*, void*)',
  'void gluTessCallback (void*, uint32_t, void*)',
  'void gluTessEndContour (void*)',
  'void gluTessEndPolygon (void*)',
  'void gluTessNormal (void*, double, double, double)',
  'void gluTessProperty (void*, uint32_t, double)',
  'void gluTessVertex (void*, double*, void*)',
  'int32_t gluUnProject (double, double, double, double*, double*, int32_t*, double*, double*, double*)',
  'int32_t gluUnProject4 (double, double, double, double, double*, double*, int32_t*, double, double, double*, double*, double*, double*)', # Unavailable on Windows
]

Class Method Summary collapse

Class Method Details

.create_callback(sym, *opts, &blk) ⇒ `Object`



216
217
218

# File 'lib/glu.rb', line 216

def self.create_callback(sym, *opts, &blk)
  return bind(@@glu_cb_signature[sym], opts, &blk)
end

.import_symbols(output_error = false) ⇒ `Object`

# File 'lib/glu.rb', line 304

def self.import_symbols(output_error = false)

  # function
  @@lib_signature.each do |sig|
    begin
      extern sig
    rescue
      $stderr.puts("[Warning] Failed to import #{sig}.") if output_error
    end
  end

  # Convert method names (e.g.: GLU.gluBeginCurve -> GLU.BeginCurve)
  self.singleton_methods(false).each do |method_name|
    m = singleton_method(method_name)
    if m.name.to_s.start_with? 'glu'
      modified_api = m.name.to_s[3..-1] # omit prefix "glu"
      define_singleton_method(modified_api, m) # define alias
    end
  end

  # Convert constant names (e.g.: GLU::GLU_TRUE -> GLU::TRUE)
  self.constants.each do |constant|
    cs = constant.to_s
    if cs[0..3] == "GLU_"
      if cs[4] =~ /\d/
        # We have to abandon name conversion like 'GL_2D, GL_3D_COLOR, GL_4_BYTES, etc.
        # Because constants can't start with a digit or underscore.
        # [Note] This rule has been inherited from Yoshi's very original ruby-opengl (confirmed with opengl-0.32g, 2004-07-17).
      else
        # Convert by omitting the 'GLU_' prefix
        const_set(cs[4..-1], GLU.const_get(constant))
      end
    end
  end

  @@glu_import_done = true
end

.load_lib(lib_path = nil, output_error = false) ⇒ `Object`

Load native library.

# File 'lib/glu.rb', line 225

def self.load_lib(lib_path = nil, output_error = false)
  if lib_path == nil
    lib_path = case GL.get_platform
               when :OPENGL_PLATFORM_WINDOWS
                 'C:/Windows/System32/GLU32.dll'
               when :OPENGL_PLATFORM_MACOSX
                 '/System/Library/Frameworks/OpenGL.framework/Libraries/libGLU.dylib'
               else
                 'libGLU.so' # not tested
               end
  end

  dlload(lib_path)

  import_symbols(output_error) unless @@glu_import_done
end