Class: Cairo::Pattern

Inherits:
Object
  • Object
show all
Defined in:
lib/cairo/pattern.rb,
ext/cairo/rb_cairo_pattern.c

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Object 



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# File 'ext/cairo/rb_cairo_pattern.c', line 187

static VALUE
cr_pattern_initialize (int argc, VALUE *argv, VALUE self)
{
  rb_raise(rb_eNotImpError,
           "%s class instantiation isn't supported on this cairo installation",
           rb_obj_classname(self));

  return Qnil;
}

Class Method Details

.gradient_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 98

static VALUE
cr_pattern_gradient_supported_p (VALUE klass)
{
  return Qtrue;
}

.linear_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 104

static VALUE
cr_pattern_linear_supported_p (VALUE klass)
{
  return Qtrue;
}

.mesh_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 116

static VALUE
cr_pattern_mesh_supported_p (VALUE klass)
{
#ifdef RB_CAIRO_HAS_MESH_PATTERN
  return Qtrue;
#else
  return Qfalse;
#endif
}

.radial_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 110

static VALUE
cr_pattern_radial_supported_p (VALUE klass)
{
  return Qtrue;
}

.raster_source_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 126

static VALUE
cr_pattern_raster_source_supported_p (VALUE klass)
{
#ifdef RB_CAIRO_HAS_RASTER_SOURCE_PATTERN
  return Qtrue;
#else
  return Qfalse;
#endif
}

.solid_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 86

static VALUE
cr_pattern_solid_supported_p (VALUE klass)
{
  return Qtrue;
}

.supported?(type) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cairo/pattern.rb', line 4

def supported?(type)
  type = type.to_s.gsub(/([a-z])([A-Z])/, '\\1_\\2').downcase
  supported_predicate = "#{type}_supported?"
  return false unless respond_to?(supported_predicate)
  send(supported_predicate)
end

.surface_supported? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/cairo/rb_cairo_pattern.c', line 92

static VALUE
cr_pattern_surface_supported_p (VALUE klass)
{
  return Qtrue;
}

Instance Method Details

#extend ⇒ Object Also known as: __extend__ 



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# File 'ext/cairo/rb_cairo_pattern.c', line 396

static VALUE
cr_pattern_get_extend (VALUE self)
{
  return INT2NUM (cairo_pattern_get_extend (_SELF (self)));
}

#filter ⇒ Object 



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# File 'ext/cairo/rb_cairo_pattern.c', line 410

static VALUE
cr_pattern_get_filter (VALUE self)
{
  return INT2NUM (cairo_pattern_get_filter (_SELF (self)));
}

#matrix ⇒ Object 



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# File 'ext/cairo/rb_cairo_pattern.c', line 379

static VALUE
cr_pattern_get_matrix (VALUE self)
{
  cairo_matrix_t matrix;
  cairo_pattern_get_matrix (_SELF (self), &matrix);
  cr_pattern_check_status (_SELF (self));
  return CRMATRIX2RVAL (&matrix);
}

#set_extend ⇒ Object 



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# File 'ext/cairo/rb_cairo_pattern.c', line 388

static VALUE
cr_pattern_set_extend (VALUE self, VALUE extend)
{
  cairo_pattern_set_extend (_SELF (self), RVAL2CREXTEND (extend));
  cr_pattern_check_status (_SELF (self));
  return self;
}

#set_filter ⇒ Object 



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# File 'ext/cairo/rb_cairo_pattern.c', line 402

static VALUE
cr_pattern_set_filter (VALUE self, VALUE filter)
{
  cairo_pattern_set_filter (_SELF (self), RVAL2CRFILTER (filter));
  cr_pattern_check_status (_SELF (self));
  return self;
}

#set_matrix ⇒ Object

Cairo::Pattern



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# File 'ext/cairo/rb_cairo_pattern.c', line 371

static VALUE
cr_pattern_set_matrix (VALUE self, VALUE matrix)
{
  cairo_pattern_set_matrix (_SELF (self), RVAL2CRMATRIX (matrix));
  cr_pattern_check_status (_SELF (self));
  return self;
}