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package SVG::Grid; |
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31127
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use strict; |
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use warnings; |
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use warnings qw(FATAL utf8); |
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use Moo; |
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20155
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use SVG; |
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use Types::Standard qw/Any Int HashRef Str/; |
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117133
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has cell_height => |
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( |
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default => sub {return 40}, |
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is => 'rw', |
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isa => Int, |
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required => 0, |
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); |
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has cell_width => |
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( |
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default => sub {return 40}, |
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is => 'rw', |
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isa => Int, |
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required => 0, |
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); |
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has colors => |
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default => sub {return {} }, |
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is => 'rw', |
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isa => HashRef, |
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required => 0, |
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); |
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has height => |
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is => 'rw', |
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isa => Int, |
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required => 0, |
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); |
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has output_file_name => |
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( |
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default => sub{return ''}, |
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is => 'rw', |
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isa => Str, |
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required => 0, |
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); |
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has style => |
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( |
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default => sub {return {} }, |
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is => 'rw', |
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isa => HashRef, |
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required => 0, |
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); |
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has svg => |
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is => 'rw', |
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isa => Any, |
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required => 0, |
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); |
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has x_cell_count => |
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( |
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default => sub {return 30}, |
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is => 'rw', |
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isa => Int, |
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required => 0, |
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); |
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has x_offset => |
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( |
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default => sub {return 40}, |
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is => 'rw', |
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isa => Int, |
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required => 0, |
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); |
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has width => |
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( |
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is => 'rw', |
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isa => Int, |
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required => 0, |
88
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); |
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has y_cell_count => |
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( |
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default => sub {return 30}, |
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is => 'rw', |
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isa => Int, |
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required => 0, |
96
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); |
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has y_offset => |
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( |
100
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default => sub {return 40}, |
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is => 'rw', |
102
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isa => Int, |
103
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required => 0, |
104
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); |
105
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106
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our $VERSION = '1.06'; |
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108
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# ------------------------------------------------ |
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110
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sub BUILD |
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{ |
112
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1
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1
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0
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my($self) = @_; |
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114
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1
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24
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$self -> colors |
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({ |
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black => 'rgb( 0, 0, 0)', |
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blue => 'rgb( 0, 0, 255)', |
118
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dimgray => 'rgb(105, 105, 105)', |
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indianred => 'rgb(205, 92, 92)', |
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red => 'rgb(255, 0, 0)', |
121
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silver => 'rgb(192, 192, 192)', |
122
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white => 'rgb(255, 255, 255)', |
123
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}); |
124
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1
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41
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$self -> style |
125
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({ |
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'fill-opacity' => 0, |
127
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font => 'Arial', |
128
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'font-size' => 14, |
129
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'font-weight' => 'normal', |
130
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stroke => 'rgb(0, 0, 0)', |
131
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'stroke-width' => 1, |
132
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}); |
133
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1
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34
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$self -> width |
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( |
135
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$self -> x_cell_count * $self -> cell_width |
136
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+ 2 * $self -> x_offset |
137
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+ 2 * $self -> cell_width |
138
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); |
139
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1
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97
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$self -> height |
140
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( |
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$self -> y_cell_count * $self -> cell_height |
142
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+ 2 * $self -> y_offset |
143
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+ 2 * $self -> cell_height |
144
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); |
145
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1
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96
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$self -> svg(SVG -> new(width => $self -> width, height => $self -> height) ); |
146
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147
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} # End of BUILD. |
148
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149
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# ---------------------------------------------- |
150
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151
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sub frame |
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{ |
153
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1
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1
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1
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my($self, %options) = @_; |
154
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1
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my($frame_x) = [0, $self -> width - 1, $self -> width - 1, 0, 0]; |
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1
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my($frame_y) = [0, 0, $self -> height - 1, $self -> height - 1, 0]; |
156
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1
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20
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my($points) = $self -> svg -> get_path |
157
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( |
158
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-type => 'polyline', |
159
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x => $frame_x, |
160
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y => $frame_y, |
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); |
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1
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57
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my($defaults) = $self -> _get_defaults(%options); |
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1
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13
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my($id) = 'frame_' . $$frame_x[2] . '_' . $$frame_y[2]; # Try to make it unique. |
164
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165
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$self -> svg -> polyline |
166
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( |
167
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%$points, |
168
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id => $id, |
169
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style => |
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{ |
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1
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17
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%{$self -> style}, |
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'fill-opacity' => $$defaults{fill_opacity}, |
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stroke => $$defaults{stroke}, |
174
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'stroke-width' => $$defaults{stroke_width}, |
175
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} |
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1
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14
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); |
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178
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} # End of frame. |
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# ---------------------------------------------- |
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182
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sub _get_defaults |
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{ |
184
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18
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18
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38
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my($self, %options) = @_; |
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186
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return |
187
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{ |
188
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fill => $options{fill} || ${$self -> style}{fill} || 'rgb(205, 92, 92)', # Aka indianred. |
189
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fill_opacity => $options{'fill-opacity'} || ${$self -> style}{'fill-opacity'} || 0, |
190
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font_size => $options{'font-size'} || ${$self -> style}{'font-size'} || 14, |
191
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font_weight => $options{'font-weight'} || $options{style}{'font-weight'} || 'normal', |
192
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stroke => $options{stroke} || ${$self -> colors}{dimgray} || 'rgb(105, 105, 105)', # Aka dimgray. |
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stroke_width => $options{'stroke-width'} || ${$self -> style}{'stroke-width'} || 1, |
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text_color => $options{text_color} || ${$self -> colors}{blue} || 'rgb( 0, 0, 255)', # Aka blue. |
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}; |
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197
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} # End of _get_defaults. |
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199
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# ---------------------------------------------- |
200
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201
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sub grid |
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{ |
203
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1
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1
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1
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89
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my($self, %options) = @_; |
204
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1
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10
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my($count) = 0; |
205
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1
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4
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my($defaults) = $self -> _get_defaults(%options); |
206
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1
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20
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my($limit) = int( ($self -> width - 2 * $self -> x_offset) / $self -> cell_width); |
207
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208
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1
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34
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my(%opts); |
209
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210
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1
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13
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for (my $i = $self -> x_offset; $i <= ($self -> width - $self -> cell_width); $i += $self -> cell_width) |
211
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{ |
212
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6
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469
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$count++; |
213
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214
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# Draw vertical lines. |
215
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216
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$self -> svg -> line |
217
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( |
218
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id => "grid_x_$i", # Try to make it unique. |
219
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x1 => $i, |
220
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y1 => $self -> cell_height, |
221
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x2 => $i, |
222
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y2 => $self -> height - $self -> y_offset - 1, |
223
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style => |
224
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{ |
225
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6
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326
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%{$self -> style}, |
226
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stroke => $$defaults{stroke}, |
227
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'stroke-width' => $$defaults{stroke_width}, |
228
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|
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} |
229
|
6
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71
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); |
230
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231
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|
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# This 'if' stops the x-axis labels appearing on top/bottom of the y-axis labels. |
232
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233
|
6
|
100
|
100
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|
|
482
|
if ( ($count > 1) && ($count < $limit) ) |
234
|
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|
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{ |
235
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|
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# Add x-axis labels across the top. |
236
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237
|
3
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7
|
%opts = (); |
238
|
3
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6
|
$opts{x} = $i + $$defaults{font_size}; |
239
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3
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56
|
$opts{y} = $self -> y_offset + 2 * $$defaults{font_size}; |
240
|
3
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|
|
|
21
|
$opts{stroke} = $$defaults{text_color}; |
241
|
3
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6
|
$opts{text} = $count - 1; |
242
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243
|
3
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|
14
|
$self -> text(%opts); |
244
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245
|
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|
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# Add x-axis labels across the bottom. |
246
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247
|
3
|
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|
263
|
%opts = (); |
248
|
3
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5
|
$opts{x} = $i + $$defaults{font_size}; |
249
|
3
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|
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|
|
46
|
$opts{y} = $self -> height - $self -> y_offset - $$defaults{font_size}; |
250
|
3
|
|
|
|
|
57
|
$opts{stroke} = $$defaults{text_color}; |
251
|
3
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4
|
$opts{text} = $count - 1; |
252
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253
|
3
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7
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$self -> text(%opts); |
254
|
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|
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} |
255
|
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|
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} |
256
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257
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1
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32
|
$count = 0; |
258
|
1
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|
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|
13
|
$limit = int( ($self -> height - 2 * $self -> y_offset) / $self -> cell_height); |
259
|
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|
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|
260
|
1
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|
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|
|
44
|
for (my $i = $self -> y_offset; $i <= ($self -> height - $self -> cell_height); $i += $self -> cell_height) |
261
|
|
|
|
|
|
|
{ |
262
|
6
|
|
|
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|
473
|
$count++; |
263
|
|
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|
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264
|
|
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|
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|
|
# Draw horizontal lines. |
265
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|
266
|
|
|
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|
|
$self -> svg -> line |
267
|
|
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|
|
( |
268
|
|
|
|
|
|
|
id => "grid_y_$i", # Try to make it unique. |
269
|
|
|
|
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|
|
x1 => $self -> x_offset, |
270
|
|
|
|
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|
|
y1 => $i, |
271
|
|
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|
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|
|
x2 => $self -> width - $self -> x_offset - 1, |
272
|
|
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|
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|
|
y2 => $i, |
273
|
|
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|
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|
|
style => |
274
|
|
|
|
|
|
|
{ |
275
|
6
|
|
|
|
|
319
|
%{$self -> style}, |
276
|
|
|
|
|
|
|
stroke => $$defaults{stroke}, |
277
|
|
|
|
|
|
|
'stroke-width' => $$defaults{stroke_width}, |
278
|
|
|
|
|
|
|
} |
279
|
6
|
|
|
|
|
82
|
); |
280
|
|
|
|
|
|
|
|
281
|
|
|
|
|
|
|
# This 'if' stops the y-axis labels appearing to the left/right of the x-axis labels. |
282
|
|
|
|
|
|
|
|
283
|
6
|
100
|
100
|
|
|
469
|
if ( ($count > 1) && ($count < $limit) ) |
284
|
|
|
|
|
|
|
{ |
285
|
|
|
|
|
|
|
# Add y-axis labels down the left. |
286
|
|
|
|
|
|
|
|
287
|
3
|
|
|
|
|
6
|
%opts = (); |
288
|
3
|
|
|
|
|
44
|
$opts{x} = $self -> x_offset + $$defaults{font_size}; |
289
|
3
|
|
|
|
|
18
|
$opts{y} = $i + 2 * $$defaults{font_size}; |
290
|
3
|
|
|
|
|
4
|
$opts{stroke} = $$defaults{text_color}; |
291
|
3
|
|
|
|
|
5
|
$opts{text} = $count - 1; |
292
|
|
|
|
|
|
|
|
293
|
3
|
|
|
|
|
9
|
$self -> text(%opts); |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
# Add y-axis labels down the right. |
296
|
|
|
|
|
|
|
|
297
|
3
|
|
|
|
|
248
|
%opts = (); |
298
|
3
|
|
|
|
|
44
|
$opts{x} = $self -> width - $self -> x_offset - 2 * $$defaults{font_size}; |
299
|
3
|
|
|
|
|
57
|
$opts{y} = $i + 2 * $$defaults{font_size}; |
300
|
3
|
|
|
|
|
6
|
$opts{stroke} = $$defaults{text_color}; |
301
|
3
|
|
|
|
|
4
|
$opts{text} = $count - 1; |
302
|
|
|
|
|
|
|
|
303
|
3
|
|
|
|
|
7
|
$self -> text(%opts); |
304
|
|
|
|
|
|
|
} |
305
|
|
|
|
|
|
|
} |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
} # End of grid. |
308
|
|
|
|
|
|
|
|
309
|
|
|
|
|
|
|
# ---------------------------------------------- |
310
|
|
|
|
|
|
|
|
311
|
|
|
|
|
|
|
sub image_link |
312
|
|
|
|
|
|
|
{ |
313
|
1
|
|
|
1
|
1
|
41
|
my($self, %options) = @_; |
314
|
1
|
|
|
|
|
4
|
my($image_id) = "image_$options{x}_$options{y}"; # Try to make it unique. |
315
|
|
|
|
|
|
|
my(%anchor_options) = |
316
|
|
|
|
|
|
|
( |
317
|
|
|
|
|
|
|
-href => $options{href}, |
318
|
|
|
|
|
|
|
id => "anchor_$options{x}_$options{y}", # Try to make it unique. |
319
|
1
|
|
50
|
|
|
11
|
-target => $options{target} || '', |
320
|
|
|
|
|
|
|
); |
321
|
1
|
50
|
33
|
|
|
8
|
$anchor_options{-title} = $options{title} if ($options{title} && (length($options{title}) > 0) ); |
322
|
|
|
|
|
|
|
|
323
|
|
|
|
|
|
|
$self -> svg -> anchor(%anchor_options) -> image |
324
|
|
|
|
|
|
|
( |
325
|
|
|
|
|
|
|
-href => $options{image}, |
326
|
|
|
|
|
|
|
id => $image_id, |
327
|
|
|
|
|
|
|
width => $self -> cell_width, |
328
|
|
|
|
|
|
|
height => $self -> cell_height, |
329
|
|
|
|
|
|
|
x => $self -> x_offset + $self -> cell_width * $options{x}, |
330
|
|
|
|
|
|
|
y => $self -> y_offset + $self -> cell_height * $options{y}, |
331
|
1
|
|
|
|
|
16
|
); |
332
|
|
|
|
|
|
|
|
333
|
1
|
|
|
|
|
247
|
return $image_id; |
334
|
|
|
|
|
|
|
|
335
|
|
|
|
|
|
|
} # End of image_link. |
336
|
|
|
|
|
|
|
|
337
|
|
|
|
|
|
|
# ------------------------------------------------ |
338
|
|
|
|
|
|
|
|
339
|
|
|
|
|
|
|
sub report |
340
|
|
|
|
|
|
|
{ |
341
|
0
|
|
|
0
|
0
|
0
|
my($self) = @_; |
342
|
|
|
|
|
|
|
|
343
|
0
|
|
|
|
|
0
|
print sprintf("x_cell_count: %d. cell_width: %d. x_offset: %d. width: %d. \n", |
344
|
|
|
|
|
|
|
$self -> x_cell_count, $self -> cell_width, $self -> x_offset, $self -> width); |
345
|
0
|
|
|
|
|
0
|
print sprintf("y_cell_count: %d. cell_height: %d. y_offset: %d. height: %d. \n", |
346
|
|
|
|
|
|
|
$self -> y_cell_count, $self -> cell_height, $self -> y_offset, $self -> height); |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
} # End of report. |
349
|
|
|
|
|
|
|
|
350
|
|
|
|
|
|
|
# ---------------------------------------------- |
351
|
|
|
|
|
|
|
|
352
|
|
|
|
|
|
|
sub rectangle_link |
353
|
|
|
|
|
|
|
{ |
354
|
1
|
|
|
1
|
1
|
7
|
my($self, %options) = @_; |
355
|
1
|
|
|
|
|
3
|
my($defaults) = $self -> _get_defaults(%options); |
356
|
|
|
|
|
|
|
my(%anchor_options) = |
357
|
|
|
|
|
|
|
( |
358
|
|
|
|
|
|
|
-href => $options{href}, |
359
|
|
|
|
|
|
|
id => "anchor_$options{x}_$options{y}", # Try to make it unique. |
360
|
1
|
|
50
|
|
|
15
|
-target => $options{target} || '', |
361
|
|
|
|
|
|
|
); |
362
|
1
|
50
|
33
|
|
|
6
|
$anchor_options{-title} = $options{title} if ($options{title} && (length($options{title}) > 0) ); |
363
|
1
|
|
|
|
|
5
|
my($rectangle_id) = "rectangle_$options{x}_$options{y}"; # Try to make it unique. |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
$self -> svg -> anchor(%anchor_options) -> rectangle |
366
|
|
|
|
|
|
|
( |
367
|
|
|
|
|
|
|
fill => $$defaults{fill}, |
368
|
|
|
|
|
|
|
'fill-opacity' => $$defaults{fill_opacity} || 0.5, # We use 0.5 since the default is 0. |
369
|
|
|
|
|
|
|
id => $rectangle_id, |
370
|
|
|
|
|
|
|
stroke => $$defaults{stroke}, |
371
|
|
|
|
|
|
|
'stroke-width' => $$defaults{stroke_width}, |
372
|
|
|
|
|
|
|
width => $self -> cell_width, |
373
|
|
|
|
|
|
|
height => $self -> cell_height, |
374
|
|
|
|
|
|
|
x => $self -> x_offset + $self -> cell_width * $options{x}, |
375
|
|
|
|
|
|
|
y => $self -> y_offset + $self -> cell_height * $options{y}, |
376
|
1
|
|
50
|
|
|
15
|
); |
377
|
|
|
|
|
|
|
|
378
|
1
|
|
|
|
|
279
|
return $rectangle_id; |
379
|
|
|
|
|
|
|
|
380
|
|
|
|
|
|
|
} # End of rectangle_link. |
381
|
|
|
|
|
|
|
|
382
|
|
|
|
|
|
|
# ---------------------------------------------- |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
sub text |
385
|
|
|
|
|
|
|
{ |
386
|
14
|
|
|
14
|
1
|
328
|
my($self, %options) = @_; |
387
|
14
|
|
|
|
|
32
|
my($defaults) = $self -> _get_defaults(%options); |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
$self -> svg -> text |
390
|
|
|
|
|
|
|
( |
391
|
|
|
|
|
|
|
id => "note_$options{x}_$options{y}", # Try to make it unique. |
392
|
|
|
|
|
|
|
x => $options{x}, |
393
|
|
|
|
|
|
|
y => $options{y}, |
394
|
|
|
|
|
|
|
style => |
395
|
|
|
|
|
|
|
{ |
396
|
14
|
|
|
|
|
238
|
%{$self -> style}, |
397
|
|
|
|
|
|
|
'fill-opacity' => $$defaults{fill_opacity}, |
398
|
|
|
|
|
|
|
'font-size' => $$defaults{font_size}, |
399
|
|
|
|
|
|
|
'font-weight' => $$defaults{font_weight}, |
400
|
|
|
|
|
|
|
stroke => $$defaults{stroke}, |
401
|
|
|
|
|
|
|
} |
402
|
14
|
|
|
|
|
279
|
) -> cdata($options{text}); |
403
|
|
|
|
|
|
|
|
404
|
|
|
|
|
|
|
} # End of text. |
405
|
|
|
|
|
|
|
|
406
|
|
|
|
|
|
|
# ---------------------------------------------- |
407
|
|
|
|
|
|
|
|
408
|
|
|
|
|
|
|
sub text_link |
409
|
|
|
|
|
|
|
{ |
410
|
1
|
|
|
1
|
1
|
8
|
my($self, %options) = @_; |
411
|
1
|
|
|
|
|
3
|
my($defaults) = $self -> _get_defaults(%options); |
412
|
1
|
|
|
|
|
12
|
my($half_font) = int($$defaults{font_size} / 2); |
413
|
|
|
|
|
|
|
my(%anchor_options) = |
414
|
|
|
|
|
|
|
( |
415
|
|
|
|
|
|
|
-href => $options{href}, |
416
|
|
|
|
|
|
|
id => "anchor_$options{x}_$options{y}", # Try to make it unique. |
417
|
1
|
|
50
|
|
|
7
|
-target => $options{target} || '', |
418
|
|
|
|
|
|
|
); |
419
|
1
|
50
|
33
|
|
|
10
|
$anchor_options{-title} = $options{title} if ($options{title} && (length($options{title}) > 0) ); |
420
|
1
|
|
|
|
|
3
|
my($text_id) = "text_$options{x}_$options{y}"; # Try to make it unique. |
421
|
|
|
|
|
|
|
|
422
|
|
|
|
|
|
|
$self -> svg -> anchor(%anchor_options) -> text |
423
|
|
|
|
|
|
|
( |
424
|
|
|
|
|
|
|
id => $text_id, |
425
|
|
|
|
|
|
|
x => $self -> x_offset + $self -> cell_width * $options{x} + $$defaults{font_size} - $half_font, |
426
|
|
|
|
|
|
|
y => $self -> y_offset + $self -> cell_height * $options{y} + $$defaults{font_size} + $half_font, |
427
|
|
|
|
|
|
|
style => |
428
|
|
|
|
|
|
|
{ |
429
|
1
|
|
|
|
|
166
|
%{$self -> style}, |
430
|
|
|
|
|
|
|
'fill-opacity' => $$defaults{fill_opacity}, |
431
|
|
|
|
|
|
|
'font-size' => $$defaults{font_size}, |
432
|
|
|
|
|
|
|
'font-weight' => $$defaults{font_weight}, |
433
|
|
|
|
|
|
|
stroke => $$defaults{stroke}, |
434
|
|
|
|
|
|
|
'stroke-width' => $$defaults{stroke_width}, |
435
|
|
|
|
|
|
|
|
436
|
|
|
|
|
|
|
} |
437
|
1
|
|
|
|
|
16
|
) -> cdata($options{text}); |
438
|
|
|
|
|
|
|
|
439
|
1
|
|
|
|
|
84
|
return $text_id; |
440
|
|
|
|
|
|
|
|
441
|
|
|
|
|
|
|
} # End of text_link. |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
# ------------------------------------------------ |
444
|
|
|
|
|
|
|
|
445
|
|
|
|
|
|
|
sub write |
446
|
|
|
|
|
|
|
{ |
447
|
1
|
|
|
1
|
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536
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my($self, %options) = @_; |
448
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1
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33
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my($file_name) = $options{output_file_name} || $self -> output_file_name; |
449
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450
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1
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49
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open(my $fh, '>:encoding(UTF-8)', $file_name); |
451
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1
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225
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print $fh $self -> svg -> xmlify; |
452
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1
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4142
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close $fh; |
453
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454
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} # End of write. |
455
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456
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# ------------------------------------------------ |
457
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458
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1; |
459
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460
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=pod |
461
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462
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=encoding utf8 |
463
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464
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=head1 NAME |
465
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466
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C - Address SVG images using cells of $n1 x $n2 pixels |
467
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468
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=head1 Synopsis |
469
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470
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This is scripts/synopsis.pl: |
471
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472
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#!/usr/bin/env perl |
473
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474
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use strict; |
475
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use utf8; |
476
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use warnings; |
477
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478
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use SVG::Grid; |
479
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480
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# ------------ |
481
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482
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my($cell_width) = 40; |
483
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my($cell_height) = 40; |
484
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my($x_cell_count) = 3; |
485
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my($y_cell_count) = 3; |
486
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my($x_offset) = 40; |
487
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my($y_offset) = 40; |
488
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my($svg) = SVG::Grid -> new |
489
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( |
490
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cell_width => $cell_width, |
491
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cell_height => $cell_height, |
492
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x_cell_count => $x_cell_count, |
493
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y_cell_count => $y_cell_count, |
494
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x_offset => $x_offset, |
495
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y_offset => $y_offset, |
496
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); |
497
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498
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$svg -> frame('stroke-width' => 3); |
499
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$svg -> text |
500
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( |
501
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'font-size' => 20, |
502
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'font-weight' => '400', |
503
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text => 'Front Garden', |
504
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x => $svg -> x_offset, # Pixel co-ord. |
505
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y => $svg -> y_offset / 2, # Pixel co-ord. |
506
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); |
507
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$svg -> text |
508
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( |
509
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'font-size' => 14, |
510
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'font-weight' => '400', |
511
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text => '--> N', |
512
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x => $svg -> width - 2 * $svg -> cell_width, # Pixel co-ord. |
513
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y => $svg -> y_offset / 2, # Pixel co-ord. |
514
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); |
515
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$svg -> grid(stroke => 'blue'); |
516
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$svg -> image_link |
517
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( |
518
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href => 'http://savage.net.au/Flowers/Chorizema.cordatum.html', |
519
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image => 'http://savage.net.au/Flowers/images/Chorizema.cordatum.0.jpg', |
520
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target => 'new_window', |
521
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title => 'MouseOver® an image', |
522
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x => 1, # Cell co-ord. |
523
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y => 2, # Cell co-ord. |
524
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); |
525
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$svg -> rectangle_link |
526
|
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( |
527
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href => 'http://savage.net.au/Flowers/Alyogyne.huegelii.html', |
528
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target => 'new_window', |
529
|
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title => 'MouseOverâ„¢ a rectangle', |
530
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x => 2, # Cell co-ord. |
531
|
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y => 3, # Cell co-ord. |
532
|
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); |
533
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|
$svg -> text_link |
534
|
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( |
535
|
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href => 'http://savage.net.au/Flowers/Aquilegia.McKana.html', |
536
|
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stroke => 'rgb(255, 0, 0)', |
537
|
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target => 'new_window', |
538
|
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text => '3,1', |
539
|
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|
title => 'MouseOvér some text', |
540
|
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x => 3, # Cell co-ord. |
541
|
|
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y => 1, # Cell co-ord. |
542
|
|
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|
); |
543
|
|
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|
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|
|
$svg -> write(output_file_name => 'data/synopsis.svg'); |
544
|
|
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|
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545
|
|
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|
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|
|
Output: L |
546
|
|
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|
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547
|
|
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|
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|
|
See also scripts/*.pl. |
548
|
|
|
|
|
|
|
|
549
|
|
|
|
|
|
|
=head1 Description |
550
|
|
|
|
|
|
|
|
551
|
|
|
|
|
|
|
C allows you to I use cell co-ordinates (like a spreadsheet) to place items on |
552
|
|
|
|
|
|
|
an L |
553
|
|
|
|
|
|
|
refer to the position of a cell within a row and a column. You define these rows and columns when |
554
|
|
|
|
|
|
|
you call the L method. Cell co-ordinates are numbered 1 .. N. |
555
|
|
|
|
|
|
|
|
556
|
|
|
|
|
|
|
Here, I means all method calls except adding text via the L method. With |
557
|
|
|
|
|
|
|
C, you use pixels locations so that the text can be placed anywhere. Pixel co-ordinates are |
558
|
|
|
|
|
|
|
numbered 0 .. N. |
559
|
|
|
|
|
|
|
|
560
|
|
|
|
|
|
|
Note: Objects of type C are not daughters of L |
561
|
|
|
|
|
|
|
|
562
|
|
|
|
|
|
|
=head1 Distributions |
563
|
|
|
|
|
|
|
|
564
|
|
|
|
|
|
|
This module is available as a Unix-style distro (*.tgz). |
565
|
|
|
|
|
|
|
|
566
|
|
|
|
|
|
|
See L |
567
|
|
|
|
|
|
|
for help on unpacking and installing distros. |
568
|
|
|
|
|
|
|
|
569
|
|
|
|
|
|
|
=head1 Installation |
570
|
|
|
|
|
|
|
|
571
|
|
|
|
|
|
|
Install L as you would any C module: |
572
|
|
|
|
|
|
|
|
573
|
|
|
|
|
|
|
Run: |
574
|
|
|
|
|
|
|
|
575
|
|
|
|
|
|
|
cpanm SVG::Grid |
576
|
|
|
|
|
|
|
|
577
|
|
|
|
|
|
|
or run: |
578
|
|
|
|
|
|
|
|
579
|
|
|
|
|
|
|
sudo cpan SVG::Grid |
580
|
|
|
|
|
|
|
|
581
|
|
|
|
|
|
|
And then: |
582
|
|
|
|
|
|
|
|
583
|
|
|
|
|
|
|
perl Makefile.PL |
584
|
|
|
|
|
|
|
make (or dmake or nmake) |
585
|
|
|
|
|
|
|
make test |
586
|
|
|
|
|
|
|
make install |
587
|
|
|
|
|
|
|
|
588
|
|
|
|
|
|
|
=head1 Constructor and Initialization |
589
|
|
|
|
|
|
|
|
590
|
|
|
|
|
|
|
C is called as C<< my($svg) = SVG::Grid -> new(k1 => v1, k2 => v2, ...) >>. |
591
|
|
|
|
|
|
|
|
592
|
|
|
|
|
|
|
It returns a new object of type C. |
593
|
|
|
|
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|
|
594
|
|
|
|
|
|
|
Key-value pairs accepted in the parameter list (see corresponding methods for details |
595
|
|
|
|
|
|
|
[e.g. L]: |
596
|
|
|
|
|
|
|
|
597
|
|
|
|
|
|
|
=over 4 |
598
|
|
|
|
|
|
|
|
599
|
|
|
|
|
|
|
=item o cell_height => $integer |
600
|
|
|
|
|
|
|
|
601
|
|
|
|
|
|
|
The height of each cell, in pixels. |
602
|
|
|
|
|
|
|
|
603
|
|
|
|
|
|
|
Default: 40. |
604
|
|
|
|
|
|
|
|
605
|
|
|
|
|
|
|
=item o cell_width => $integer |
606
|
|
|
|
|
|
|
|
607
|
|
|
|
|
|
|
The width of each cell, in pixels. |
608
|
|
|
|
|
|
|
|
609
|
|
|
|
|
|
|
Default: 40. |
610
|
|
|
|
|
|
|
|
611
|
|
|
|
|
|
|
=item o colors => $hashref |
612
|
|
|
|
|
|
|
|
613
|
|
|
|
|
|
|
The set of default colors, so you don't have to provide a C parameter to various methods. |
614
|
|
|
|
|
|
|
|
615
|
|
|
|
|
|
|
It also means you can refer to colors by their names, rather than the awkward C<'rgb($R, $G, $B)'> |
616
|
|
|
|
|
|
|
structures that the L |
617
|
|
|
|
|
|
|
|
618
|
|
|
|
|
|
|
Default: |
619
|
|
|
|
|
|
|
|
620
|
|
|
|
|
|
|
$self -> colors |
621
|
|
|
|
|
|
|
({ |
622
|
|
|
|
|
|
|
black => 'rgb( 0, 0, 0)', |
623
|
|
|
|
|
|
|
blue => 'rgb( 0, 0, 255)', |
624
|
|
|
|
|
|
|
dimgray => 'rgb(105, 105, 105)', |
625
|
|
|
|
|
|
|
indianred => 'rgb(205, 92, 92)', |
626
|
|
|
|
|
|
|
red => 'rgb(255, 0, 0)', |
627
|
|
|
|
|
|
|
silver => 'rgb(192, 192, 192)', |
628
|
|
|
|
|
|
|
white => 'rgb(255, 255, 255)', |
629
|
|
|
|
|
|
|
}); |
630
|
|
|
|
|
|
|
|
631
|
|
|
|
|
|
|
=item o output_file_name => |
632
|
|
|
|
|
|
|
|
633
|
|
|
|
|
|
|
The name of the SVG file to write, if the L method is called. |
634
|
|
|
|
|
|
|
|
635
|
|
|
|
|
|
|
Default: ''. |
636
|
|
|
|
|
|
|
|
637
|
|
|
|
|
|
|
=item o style => $hashref |
638
|
|
|
|
|
|
|
|
639
|
|
|
|
|
|
|
The default style to use, so you don't have to provide a C |