| 1 | package Pastel::Shape;\r |
| 2 | use strict;\r |
| 3 | \r |
| 4 | # Perl interface for the Geometry objects. The function get_bounds()\r |
| 5 | # Called by all the Geometry objects. Parameters passed are the\r |
| 6 | # Point coordinates\r |
| 7 | \r |
| 8 | sub _get_bounds {\r |
| 9 | my ( $self, @args ) = @_;\r |
| 10 | my ( $max_x, $max_y, $min_x, $min_y ); # Hold the maximum and\r |
| 11 | # the minimum coordinates\r |
| 12 | \r |
| 13 | $max_x = $args[0];\r |
| 14 | $max_y = $args[1];\r |
| 15 | $min_x = $args[0];\r |
| 16 | $min_y = $args[1];\r |
| 17 | \r |
| 18 | for ( my $i = 0 ; $i < @args ; $i += 2 ) { #Pick even number X values\r |
| 19 | if ( $args[$i] > $max_x ) {\r |
| 20 | $max_x = $args[$i];\r |
| 21 | }\r |
| 22 | elsif ( $args[$i] < $min_x ) {\r |
| 23 | $min_x = $args[$i];\r |
| 24 | }\r |
| 25 | \r |
| 26 | }\r |
| 27 | \r |
| 28 | for ( my $i = 1 ; $i < @args ; $i += 2 ) { #Pick odd number Y values\r |
| 29 | if ( $args[$i] > $max_y ) {\r |
| 30 | $max_y = $args[$i];\r |
| 31 | }\r |
| 32 | elsif ( $args[$i] < $min_y ) {\r |
| 33 | $min_y = $args[$i];\r |
| 34 | }\r |
| 35 | }\r |
| 36 | \r |
| 37 | my $bb = Pastel::Geometry::Rectangle->new(\r |
| 38 | $min_x, $min_y,\r |
| 39 | ( $max_x - $min_x ),\r |
| 40 | ( $max_y - $min_y )\r |
| 41 | );\r |
| 42 | return $bb;\r |
| 43 | \r |
| 44 | }\r |
| 45 | \r |
| 46 | sub set_stroke_color {\r |
| 47 | my $self = shift;\r |
| 48 | $self->{stroke_color} = $_[0];\r |
| 49 | }\r |
| 50 | \r |
| 51 | sub get_stroke_color {\r |
| 52 | my $self = shift;\r |
| 53 | if ( $self->{stroke_color} ) {\r |
| 54 | return $self->{stroke_color};\r |
| 55 | }\r |
| 56 | else {\r |
| 57 | return undef;\r |
| 58 | }\r |
| 59 | \r |
| 60 | }\r |
| 61 | \r |
| 62 | sub set_stroke {\r |
| 63 | my $self = shift;\r |
| 64 | my $stroke = shift;\r |
| 65 | $self->{stroke} = $stroke;\r |
| 66 | }\r |
| 67 | \r |
| 68 | sub get_style {\r |
| 69 | my $self = shift;\r |
| 70 | my $graphics = shift;\r |
| 71 | my $string = "";\r |
| 72 | \r |
| 73 | # First check whether fill is set\r |
| 74 | # "Fill" is set by the fill method of Pastel::Graphics\r |
| 75 | if ( defined( $self->{fill} ) ) {\r |
| 76 | my $fill = $self->{fill};\r |
| 77 | \r |
| 78 | #If fill is a "color" object\r |
| 79 | if ( $fill->isa("Pastel::Color") ) {\r |
| 80 | \r |
| 81 | # $string .= "fill:".$self->get_fill()->to_hex().';';\r |
| 82 | # $string .= "fill-opacity:".$self->get_fill()->get_alpha().';';\r |
| 83 | $string .= $self->get_fill()->to_svg_fill() . ';';\r |
| 84 | }\r |
| 85 | \r |
| 86 | #If fill is a Gradient object\r |
| 87 | if ( $fill->isa("Pastel::GradientI") ) {\r |
| 88 | $string .= "fill:url(" . $self->get_fill()->get_ref() . ");";\r |
| 89 | $graphics->add_to_defs($fill);\r |
| 90 | }\r |
| 91 | \r |
| 92 | #If fill rule is set\r |
| 93 | if ( $self->get_fill_rule() ) {\r |
| 94 | $string .= "fill-rule:" . $self->get_fill_rule() . ';';\r |
| 95 | }\r |
| 96 | }\r |
| 97 | else {\r |
| 98 | $string .= 'fill:none;';\r |
| 99 | }\r |
| 100 | \r |
| 101 | if ( $graphics->get_stroke() ) {\r |
| 102 | \r |
| 103 | my $paint;\r |
| 104 | \r |
| 105 | if ( $self->get_stroke_color() ) {\r |
| 106 | $paint = $self->get_stroke_color();\r |
| 107 | }\r |
| 108 | else {\r |
| 109 | $paint = $graphics->get_paint();\r |
| 110 | }\r |
| 111 | if ( $paint->isa("Pastel::Color") ) {\r |
| 112 | $string .= $paint->to_svg();\r |
| 113 | }\r |
| 114 | \r |
| 115 | if ( $paint->isa("Pastel::GradientI") ) {\r |
| 116 | $string .= "stroke:url(" . $paint->get_ref() . ');';\r |
| 117 | $graphics->add_to_defs($paint);\r |
| 118 | }\r |
| 119 | \r |
| 120 | my $stroke = $graphics->get_stroke();\r |
| 121 | $string .= $stroke->to_svg();\r |
| 122 | \r |
| 123 | }\r |
| 124 | \r |
| 125 | return "$string";\r |
| 126 | }\r |
| 127 | \r |
| 128 | sub get_fill {\r |
| 129 | return $_[0]->{fill};\r |
| 130 | }\r |
| 131 | \r |
| 132 | sub set_fill {\r |
| 133 | my $self = shift;\r |
| 134 | $self->{fill} = shift;\r |
| 135 | }\r |
| 136 | \r |
| 137 | sub set_fill_rule {\r |
| 138 | my $self = shift;\r |
| 139 | my $rule = shift;\r |
| 140 | $self->{fill_rule} = $rule;\r |
| 141 | }\r |
| 142 | \r |
| 143 | sub get_fill_rule {\r |
| 144 | my $self = shift;\r |
| 145 | if ( $self->{fill_rule} ) {\r |
| 146 | return $self->{fill_rule};\r |
| 147 | }\r |
| 148 | else {\r |
| 149 | return undef;\r |
| 150 | }\r |
| 151 | }\r |
| 152 | \r |
| 153 | 1;\r |