/usr/lib/ruby/vendor_ruby/Tioga/FigMkr.rb is in ruby-tioga 1.14-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519 2520 2521 2522 2523 2524 2525 2526 2527 2528 2529 2530 2531 2532 | # FigMkr.rb
=begin
Copyright (C) 2005, 2006 Bill Paxton
This file is part of Tioga.
Tioga is free software; you can redistribute it and/or modify
it under the terms of the GNU General Library Public License as published
by the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Tioga is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with Tioga; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
=end
require 'Tioga/FigureConstants.rb'
require 'Tioga/Utils'
module Tioga
class FigureMaker
include FigureConstants
# For the parsing of Hash arguments
include HashArguments # For instance methods
extend HashArguments # For class methods
@@default_figure_maker = nil
@@which_pdflatex = nil
@@initialized = false # set true by the C code when first make a figure
# This URL will contain tioga-(...) when it is exported from the
# SVN repository. This is where we'll look for version information.
SVN_URL = '$HeadURL: svn+ssh://rubyforge.org/var/svn/tioga/tags/tioga/Tioga%201.14/lib/Tioga/FigMkr.rb $'
TIOGA_VERSION = if SVN_URL =~ /tags\/tioga\/Tioga%20([^\/]+)/
$1
else
"SVN version"
end
def FigureMaker.version
TIOGA_VERSION
end
def FigureMaker.default
@@default_figure_maker = FigureMaker.new if @@default_figure_maker == nil
@@default_figure_maker
end
def FigureMaker.default=(fm)
@@default_figure_maker = fm
end
def FigureMaker.pdflatex
@@which_pdflatex = 'pdflatex' if @@which_pdflatex == nil
@@which_pdflatex
end
def FigureMaker.pdflatex=(s)
@@which_pdflatex = s
end
def FigureMaker.make_name_lookup_hash(ary)
dict = Hash.new
ary.each { |name| dict[name] = true }
return dict
end
def FigureMaker.make_pdf(name='immediate', &block)
self.default.make_pdf(name, &block)
end
def FigureMaker.def_enter_page_function(&cmd)
self.default.def_enter_page_function(&cmd)
end
def FigureMaker.page_style(&cmd)
FigureMaker.def_enter_page_function(&cmd)
end
def FigureMaker.exec(&cmd)
cmd.call(self.default)
end
attr_accessor :title
attr_accessor :xlabel
attr_accessor :ylabel
attr_accessor :xaxis_locations_for_major_ticks
attr_accessor :xaxis_locations_for_minor_ticks
attr_accessor :xaxis_tick_labels
attr_accessor :yaxis_locations_for_major_ticks
attr_accessor :yaxis_locations_for_minor_ticks
attr_accessor :yaxis_tick_labels
attr_accessor :style_filename
attr_accessor :legend_info
attr_reader :line_type
attr_reader :num_figures
attr_reader :figure_names
attr_reader :figure_pdfs
attr_reader :run_dir
attr_accessor :save_dir
attr_accessor :quiet_mode
attr_accessor :legend_defaults
attr_accessor :marker_defaults
attr_accessor :tex_preamble
attr_accessor :xaxis_numeric_label_tex
attr_accessor :yaxis_numeric_label_tex
attr_accessor :tex_fontsize
attr_accessor :tex_fontfamily
attr_accessor :tex_fontseries
attr_accessor :tex_fontshape
attr_accessor :default_page_width
attr_accessor :default_page_height
attr_accessor :default_frame_left
attr_accessor :default_frame_right
attr_accessor :default_frame_top
attr_accessor :default_frame_bottom
attr_accessor :num_error_lines
# Whether or not to create _save_dir_ if it doesn't exist
attr_accessor :create_save_dir
# Whether or not do do automatic cleanup of the files
attr_accessor :autocleanup
# Whether or not do do multithreading for parallel pdflatex calls
attr_accessor :multithreads_okay_for_tioga
# An accessor for @measures_info:
attr_accessor :measures_info
# If we want to use #legend_bounding_box. It is off by default
# as it causes a systematic second run of pdflatex.
attr_accessor :measure_legends
# old preview attributes -- to be removed later
attr_accessor :model_number
attr_accessor :add_model_number
attr_accessor :need_to_reload_data
attr_accessor :auto_refresh_filename
#attr_accessor :tex_preview_documentclass
#attr_accessor :tex_preview_pagestyle
#attr_accessor :tex_preview_tiogafigure_command
attr_accessor :tex_xoffset
attr_accessor :tex_yoffset
#attr_accessor :tex_preview_paper_width
#attr_accessor :tex_preview_paper_height
#attr_accessor :tex_preview_hoffset
#attr_accessor :tex_preview_voffset
#attr_accessor :tex_preview_figure_width
#attr_accessor :tex_preview_figure_height
#attr_accessor :tex_preview_minwhitespace
#attr_accessor :tex_preview_fullpage
def reset_figures # set the state to default values
@figure_commands = []
@num_figures = 0
@create_save_dir = true # creates +save_dir+ by default
@name = nil
@auto_refresh_filename = nil
@figure_names = [ ]
@figure_pdfs = [ ]
@legend_info = [ ]
@run_dir = Dir.getwd
@save_dir = nil
@quiet_mode = false
@model_number = -1
@need_to_reload_data = true
@add_model_number = false
@tex_preview_documentclass = 'article'
@tex_preamble = '% start of preamble.
\usepackage[dvipsnames,usenames]{color} % need this for text colors
'
# \usepackage[pdftex]{geometry} % need this for setting page size for preview
# This has been commented out as it's place lie in the texout.c, for
# it's parameters to be set properly...
@tex_preview_pagestyle = 'empty'
@default_page_width = 72*5 # in big-points (1/72 inch)
@default_page_height = 72*5 # in big-points (1/72 inch)
@default_frame_left = 0.15 # as fraction of width from left edge
@default_frame_right = 0.85 # as fraction of width from left edge
@default_frame_top = 0.85 # as fraction of width from bottom edge
@default_frame_bottom = 0.15 # as fraction of width from bottom edge
@xaxis_numeric_label_tex = '$#1$'
@yaxis_numeric_label_tex = '$#1$'
@tex_preview_fullpage = true
@tex_preview_minwhitespace = nil # use default
@tex_preview_tiogafigure_command = 'tiogafigurescaledtofit'
@tex_preview_figure_width = '\paperwidth - 2in'
@tex_preview_figure_height = '\paperheight - 2in'
@num_error_lines = 10
reset_plot_attrs
@tex_xoffset = 0
@tex_yoffset = 0
@tex_preview_hoffset = '1in'
@tex_preview_voffset = '1in'
@tex_fontsize = '10.0'
@tex_fontfamily = 'rmdefault'
@tex_fontseries = 'mddefault'
@tex_fontshape = 'updefault'
@legend_defaults = {
'legend_top_margin' => 0.03,
'legend_bottom_margin' => 0.03,
'legend_left_margin' => 0.83,
'legend_right_margin' => 0.0,
'plot_top_margin' => 0.0,
'plot_bottom_margin' => 0.0,
'plot_left_margin' => 0.0,
'plot_right_margin' => 0.18,
'plot_scale' => 1,
'legend_background_function' => false,
'legend_scale' => 1 }
@marker_defaults = {
'fill_color' => Black,
'stroke_color' => Black,
'scale' => 1,
'angle' => 0,
'justification' => CENTERED,
'alignment' => ALIGNED_AT_MIDHEIGHT,
'horizontal_scale' => 1.0,
'vertical_scale' => 1.0,
'italic_angle' => 0.0,
'ascent_angle' => 0.0 }
@eval_command = nil
@enter_show_plot_function = nil
@exit_show_plot_function = nil
@enter_subfigure_function = nil
@exit_subfigure_function = nil
@enter_subplot_function = nil
@exit_subplot_function = nil
@enter_context_function = nil
@exit_context_function = nil
@enter_page_function = lambda { |t| t.default_enter_page_function }
@exit_page_function = nil
@tex_preview_paper_width = '297mm'
@tex_preview_paper_height = '210mm'
@plot_box_command = lambda { show_plot_box }
# Automatic cleanup of by default
@autocleanup = true
# multithreads by default
@multithreads_okay_for_tioga = true
# The values of the sizes measured during the pdflatex run
# we need to keep track of them so we can decide how many times
# we'll run pdflatex.
@measures = {}
# We *must* initialize the measures_info hash.
@measures_info = {}
# We don't measure legends by default.
@measure_legends = false
# By default, we use Bill's algorithm for major ticks positions
self.vincent_or_bill = false
self.log_minor_ticks_limit = 10
end
def reset_plot_attrs
@title = nil
@xlabel = nil
@ylabel = nil
@line_type = nil
@xaxis_locations_for_major_ticks = nil
@xaxis_locations_for_minor_ticks = nil
@xaxis_tick_labels = nil
@yaxis_locations_for_major_ticks = nil
@yaxis_locations_for_minor_ticks = nil
@yaxis_tick_labels = nil
private_init_fm_data
end
def initialize
@fm_data = Dvector.new(@@fm_data_size)
reset_figures
end
# Returns informations about the size of the named element.
# Returns a hash:
# * 'width' : the width of the box in figure coordinates
# * 'height': the height of the box in figure coordinates
# * 'just' : the justification used
# * 'align' : the vertical alignment used
# * 'angle' : the angle used
# * 'scale' : the *total* scale used.
#
# If the measurement did not take place yet, the width, height,
# and other attributes will be missing. Look for those.
def get_text_size(name, default = 1.0)
if self.measures_info.key? name
return self.measures_info[name]
else
return {} # Empty hash
end
end
def reset_state
reset_figures
end
def tex_xaxis_numeric_label
self.xaxis_numeric_label_tex
end
def tex_xaxis_numeric_label=(str)
self.xaxis_numeric_label_tex = str
end
def tex_yaxis_numeric_label
self.yaxis_numeric_label_tex
end
def tex_yaxis_numeric_label=(str)
self.yaxis_numeric_label_tex = str
end
def default_line_scale=(s)
self.rescale_lines(s)
end
def default_enter_page_function
page_setup(self.default_page_width,self.default_page_height)
set_frame_sides(self.default_frame_left,self.default_frame_right,
self.default_frame_top,self.default_frame_bottom)
end
def set_default_font_size(size, update_preview_size_string = true)
private_set_default_font_size(size)
return unless update_preview_size_string == true
@tex_preview_fontsize = sprintf("%0.2fbp", size)
end
def page_setup(width,height) # in big-points (1/72 inch)
set_device_pagesize(width*10-1, height*10-1)
@tex_preview_figure_width = width.to_s + 'bp'
@tex_preview_figure_height = height.to_s + 'bp'
@tex_preview_paper_height = "#{height}bp"
@tex_preview_paper_width = "#{width}bp"
@tex_preview_tiogafigure_command = 'tiogafigureshow'
@tex_preview_fullpage = false
@tex_xoffset = 0
@tex_yoffset = 0
@tex_preview_hoffset = '0in'
@tex_preview_voffset = '0in'
set_frame_sides(0,1,1,0)
set_bounds(
'left_boundary' => 0, 'right_boundary' => 1,
'top_boundary' => 1, 'bottom_boundary' => 0)
self.update_bbox(0,0)
self.update_bbox(0,1)
self.update_bbox(1,0)
self.update_bbox(1,1)
end
def tex_preview_preamble # for backward compatibility
self.tex_preamble
end
def tex_preview_preamble=(str)
self.tex_preamble = str
end
def figure_name(num)
@figure_names[num]
end
def figure_pdf(name)
if name.kind_of?(Integer)
num = name
else
num = @figure_names.index(name)
end
return nil if num == nil
@figure_pdfs[num]
end
def line_color
self.stroke_color
end
def line_color=(color)
self.stroke_color=(color)
end
def line_type=(val)
self.line_type_set(val)
end
def stroke_width
self.line_width
end
def stroke_width=(width)
self.line_width=(width)
end
def opacity_for_stroke
self.stroke_opacity
end
def opacity_for_stroke=(frac)
self.stroke_opacity=(frac)
end
def opacity_for_fill
self.fill_opacity
end
def opacity_for_fill=(frac)
self.fill_opacity=(frac)
end
def transparency_for_stroke
1.0 - self.stroke_opacity
end
def transparency_for_stroke=(frac)
self.stroke_opacity=(1.0 - frac)
end
def transparency_for_fill
1.0 - self.fill_opacity
end
def transparency_for_fill=(frac)
self.fill_opacity=(1.0 - frac)
end
def fill_transparency
self.transparency_for_fill
end
def fill_transparency=(frac)
self.transparency_for_fill = frac
end
def stroke_transparency
self.transparency_for_stroke
end
def stroke_transparency=(frac)
self.transparency_for_stroke = frac
end
def title_visible=(bool)
if bool != false
raise "Sorry: can only set 'title_visible' to false."
end
self.no_title
end
def xlabel_visible=(bool)
if bool != false
raise "Sorry: can only set 'xlabel_visible' to false."
end
self.no_xlabel
end
def ylabel_visible=(bool)
if bool != false
raise "Sorry: can only set 'ylabel_visible' to false."
end
self.no_ylabel
end
def xaxis_visible=(bool)
if bool != false
raise "Sorry: can only set 'xaxis_visible' to false."
end
self.no_xaxis
end
def yaxis_visible=(bool)
if bool != false
raise "Sorry: can only set 'yaxis_visible' to false."
end
self.no_yaxis
end
def left_edge_visible=(bool)
if bool != false
raise "Sorry: can only set 'left_edge_visible' to false."
end
self.no_left_edge
end
def right_edge_visible=(bool)
if bool != false
raise "Sorry: can only set 'right_edge_visible' to false."
end
self.no_right_edge
end
def top_edge_visible=(bool)
if bool != false
raise "Sorry: can only set 'top_edge_visible' to false."
end
self.no_top_edge
end
def bottom_edge_visible=(bool)
if bool != false
raise "Sorry: can only set 'bottom_edge_visible' to false."
end
self.no_bottom_edge
end
Required = '!required!'.to_sym
# A helper function to prepare a default hash for a function, and to check
# for extraneous or missing arguments. It takes two arguments:
# * _dict_, the user-provided dictionnary to check and complete
# * _specs_, a hash representing the valid arguments and their default
# value.
# Symbols in the _specs_ hash have special meanings:
# * a normal symbol means: call self.symbol to get the default value. If
# this call fails with a MethodMissing error, the symbol is returned.
# * a '->stuff'.to_sym symbol means: copy the value from the value
# associated with the key 'stuff'.
# * a '!required!' symbol means that if the key is missing from
# the original, raise an exception. (use the Required consant for that)
#
# You should find a few examples in the constants of this class...
#
# This function modifies _dict_ in place !
def prepare_argument_hash(spec, dict, strict = true)
for key in dict.keys
if (not spec.key?(key)) and strict
warn "Unkown key #{key} for #{caller.first}, information removed"
dict.delete(key)
end
end
for key in spec.keys
dict[key] = argument_value(spec, dict, key)
end
return dict
end
# Returns the value associated with the given key. Default value is
# returned in case the key is missing from the _dict_ hash. See
def argument_value(spec, dict, key)
return dict[key] if dict.key?(key)
raise "Unknown key asked for" unless spec.key?(key)
default = spec[key]
return default unless default.is_a?(::Symbol)
if default.to_s =~ /^->(.*)/ # Special symbol:
# return the value of the pointed key
return argument_value(spec, dict, $1)
elsif default == Required
raise "Required key #{key} is missing from #{dict.inspect}"
end
begin
return self.send(default)
rescue NoMethodError
return default
end
end
@@keys_for_save_legend_info = FigureMaker.make_name_lookup_hash(['text', 'dy',
'line_color', 'stroke_color', 'line_width', 'stroke_width',
'line_cap', 'line_type', 'marker', 'marker_color', 'marker_scale', 'marker_dict' ])
Save_legend_info_args = {
'text' => nil,
'dy' => :legend_text_dy,
'line_color' => :line_color,
'line_width' => :line_width,
'line_cap' => :line_cap,
'line_type' => :line_type,
'stroke_color' => nil,
'stroke_width' => nil,
'marker' => nil,
'marker_dict' => nil, # use again #prepare_argument_hash ?
'marker_color' => nil,
'marker_scale' => nil,
}
def save_legend_info(arg)
if arg.kind_of?String
dict = { 'text' => arg }
else
dict = arg
end
prepare_argument_hash(Save_legend_info_args, dict)
if dict['marker_dict'] == nil
dict['marker'] = false if dict['marker'] == nil
dict['marker_color'] = self.line_color if dict['marker_color'] == nil
dict['marker_scale'] = 0.5 if dict['marker_scale'] == nil
end
@legend_info << dict
end
def show_legend(legend_background_function=nil)
char_dx = self.default_text_height_dx
char_dy = self.default_text_height_dy
line_ht_x = char_dx * self.legend_scale
line_ht_y = char_dy * self.legend_scale
x = self.legend_text_xstart*line_ht_x
ltw = self.legend_text_width
if ltw < 0
if @pr_margin == 0
ltw = 1
else
ltw = 7
end
end
xright = x + ltw*line_ht_x
y = 1.0 - self.legend_text_ystart*line_ht_y
update_bbox(xright, y)
line_x0 = self.legend_line_x0*line_ht_x
line_x1 = self.legend_line_x1*line_ht_x
line_dy = self.legend_line_dy*line_ht_y
# If we are measuring legends, we come up with a more
# accurate version of xright:
if @measure_legends
xright = x + convert_output_to_figure_dx(legend_text_width)
xright += line_x0 # To leave a symetric space around
# the legend !
end
self.label_left_margin = self.label_right_margin = self.label_top_margin = self.label_bottom_margin = -1e99
unless legend_background_function == nil || legend_background_function == false
ybot = y
# we need to remove the first element ;-)...
@legend_info[1..-1].each do |dict|
dy = dict['dy']; dy = 1 if dy == nil
ybot -= line_ht_y * dy
end
# We add half a line below to look good
ybot -= line_ht_y * 0.5
ytop = y + @legend_info.first['dy'] * line_ht_y * 0.5
legend_background_function.call([ 0, xright, ytop, ybot ])
end
legend_index = 0
if @legend_info != nil
@legend_info.each do |dict|
text = dict['text']
if text != nil
# We prepare a dictionnary:
dct = { 'text' => text,
'x' => x, 'y' => y, 'scale' => self.legend_scale,
'justification' => self.legend_justification,
'alignment' => self.legend_alignment }
if @measure_legends
dct['measure'] = "legend-#{legend_index}"
legend_index += 1
end
show_text(dct)
end
line_width = dict['line_width']
line_type = dict['line_type']
unless (line_width < 0) || ((line_type.kind_of?String) && (line_type.casecmp('none') == 0))
save_line_color = self.line_color
save_line_width = self.line_width
save_line_cap = self.line_cap
save_line_type = self.line_type
self.line_color = dict['line_color']
self.line_width = dict['line_width']
self.line_cap = dict['line_cap']
self.line_type = line_type
stroke_line(line_x0, y+line_dy, line_x1, y+line_dy)
self.line_color = save_line_color
self.line_width = save_line_width
self.line_cap = save_line_cap
self.line_type = save_line_type
end
# place any marker right in the middle of the line
if dict['marker_dict'] != nil
marker_dict = dict['marker_dict']
marker_dict['x'] = 0.5*(line_x0 + line_x1)
marker_dict['y'] = y+line_dy
show_marker(marker_dict)
elsif dict['marker']
show_marker( 'x' => 0.5*(line_x0 + line_x1),
'y' => (y+line_dy),
'marker' => dict['marker'],
'color' => dict['marker_color'],
'scale' => dict['marker_scale'])
end
dy = dict['dy']; dy = 1 if dy == nil
y -= line_ht_y * dy
end
end
end
# Returns the exact length of the text width in output
# coordinates
def legend_text_width
index = 0
width = 0.0
while h = get_text_size("legend-#{index}") and h.key?('width')
if width < h['width']
width = h['width']
end
index += 1
end
return 10 * width
end
def legend_height
height = 0.0
@legend_info.each { |dict| height += dict['dy'] }
return height
end
def reset_legend_info
@legend_info = [ ]
end
def save_legend_separator(dy)
save_legend_info('dy' => dy, 'line_width' => -1)
end
def do_box_labels(title, xlabel, ylabel)
if title != nil
show_title(title); no_title
end
if xlabel != nil
show_xlabel(xlabel); no_xlabel
end
if ylabel != nil
show_ylabel(ylabel); no_ylabel
end
end
def set_aspect_ratio_relative_to_frame(width_to_height)
if width_to_height >= 1
margin = (1 - 1.0/width_to_height) * 0.5
set_subframe('top_margin' => margin, 'bottom_margin' => margin)
else
margin = (1 - width_to_height) * 0.5
set_subframe('left_margin' => margin, 'right_margin' => margin)
end
end
def set_physical_aspect_ratio(width_to_height)
wd = convert_frame_to_page_dx(1)
ht = convert_frame_to_page_dy(1)
set_aspect_ratio_relative_to_frame(width_to_height * ht / wd)
end
def set_aspect_ratio(width_to_height)
set_physical_aspect_ratio(width_to_height)
end
def set_landscape
set_aspect_ratio(11.0/8.5)
end
def landscape
set_landscape
end
def set_portrait
set_aspect_ratio(8.5/11.0)
end
def portrait
set_portrait
end
@@keys_for_set_subframe = FigureMaker.make_name_lookup_hash(['margins',
'left_margin', 'right_margin', 'top_margin', 'bottom_margin',
'left', 'right', 'plot_left_margin', 'top', 'bottom' ])
def set_subframe(dict=nil)
return if dict == nil
if dict.kind_of?Array and dict.size == 4
left = dict[0]
right = dict[1]
top = dict[2]
bottom = dict[3]
else
check_dict(dict, @@keys_for_set_subframe, 'set_subframe')
if (margins = dict['margins']) != nil and margins.kind_of?Array and margins.size == 4
left = margins[0]
right = margins[1]
top = margins[2]
bottom = margins[3]
else
left = alt_names(dict, 'left_margin', 'left')
right = alt_names(dict, 'right_margin', 'right')
top = alt_names(dict, 'top_margin', 'top')
bottom = alt_names(dict, 'bottom_margin', 'bottom')
end
end
left = 0 if left == nil
right = 0 if right == nil
top = 0 if top == nil
bottom = 0 if bottom == nil
private_set_subframe(left, right, top, bottom)
end
@@keys_for_set_bounds = FigureMaker.make_name_lookup_hash([
'bounds_left', 'bounds_right', 'bounds_top', 'bounds_bottom',
'left_boundary', 'right_boundary', 'top_boundary', 'bottom_boundary', 'boundaries' ])
def set_bounds(dict=nil)
return if dict == nil
if dict.kind_of?Array and dict.size == 4
left = dict[0]
right = dict[1]
top = dict[2]
bottom = dict[3]
else
check_dict(dict, @@keys_for_set_bounds, 'set_bounds')
if (boundaries = dict['boundaries']) != nil and boundaries.kind_of?Array and boundaries.size == 4
left = boundaries[0]
right = boundaries[1]
top = boundaries[2]
bottom = boundaries[3]
else
left = complain_if_missing_numeric_arg(dict,'bounds_left','left_boundary','set_bounds')
right = complain_if_missing_numeric_arg(dict,'bounds_right','right_boundary','set_bounds')
top = complain_if_missing_numeric_arg(dict,'bounds_top','top_boundary','set_bounds')
bottom = complain_if_missing_numeric_arg(dict,'bounds_bottom','bottom_boundary','set_bounds')
end
end
private_set_bounds(left, right, top, bottom)
end
def trace_cmd_no_arg(entry_function, exit_function, &cmd)
unless entry_function == nil
begin
entry_function.call(self)
rescue Exception => er
report_error(er, nil)
end
end
result = cmd.call(self)
unless exit_function == nil
begin
exit_function.call(self)
rescue Exception => er
report_error(er, nil)
end
end
return result
end
def trace_cmd_one_arg(entry_function, exit_function, arg, &cmd)
unless entry_function == nil
begin
entry_function.call(arg)
rescue Exception => er
report_error(er, nil)
end
end
result = cmd.call(self)
unless exit_function == nil
begin
exit_function.call(arg)
rescue Exception => er
report_error(er, nil)
end
end
return result
end
def show_plot(bounds=nil,&cmd)
trace_cmd_one_arg(@enter_show_plot_function, @exit_show_plot_function, bounds) {
set_bounds(bounds)
context { clip_to_frame; cmd.call(self) }
show_plot_box
}
end
def show_plot_without_clipping(bounds=nil,&cmd)
trace_cmd_one_arg(@enter_show_plot_function, @exit_show_plot_function, bounds) {
set_bounds(bounds)
context { cmd.call(self) }
show_plot_box
}
end
def subfigure(margins=nil,&cmd)
trace_cmd_one_arg(@enter_subfigure_function, @exit_subfigure_function, margins) {
context { doing_subfigure; set_subframe(margins); cmd.call(self) }
}
end
def root_plot
return ! self.in_subplot
end
def in_subfigure
return ! self.root_figure
end
def subplot(margins=nil,&cmd)
trace_cmd_one_arg(@enter_subplot_function, @exit_subplot_function, margins) {
reset_legend_info
context { doing_subplot; set_subframe(margins); cmd.call(self) }
}
end
@@keys_for_column_margins = FigureMaker.make_name_lookup_hash([
'left_margin', 'right_margin', 'column_margin', 'column',
'first_column', 'last_column', 'num_columns' ])
def column_margins(dict)
check_dict(dict, @@keys_for_column_margins, 'column_margins')
left_margin = get_if_given_else_default(dict, 'left_margin', 0)
right_margin = get_if_given_else_default(dict, 'right_margin', 0)
num_columns = dict['num_columns']
first_column = dict['first_column']
last_column = dict['last_column']
column_margin = dict['column_margin']
column = dict['column']
if column != nil
first_column = last_column = column
end
first_column = 1 if first_column == nil
last_column = first_column if last_column == nil
first_column -= 1; last_column -= 1 # switch to 0 for left column instead of 1
num_columns = last_column + 1 if num_columns == nil
column_margin = 0 if column_margin == nil
columns_after = num_columns - last_column - 1
columns_before = first_column
column_width = (1.0 - (left_margin + right_margin + column_margin * (num_columns-1))) / num_columns
left_margin = left_margin + columns_before * (column_width + column_margin)
right_margin = right_margin + columns_after * (column_width + column_margin)
return { 'left_margin' => left_margin, 'right_margin' => right_margin }
end
@@keys_for_row_margins = FigureMaker.make_name_lookup_hash([
'top_margin', 'bottom_margin', 'row_margin', 'row',
'first_row', 'last_row', 'num_rows' ])
def row_margins(dict)
check_dict(dict, @@keys_for_row_margins, 'row_margins')
top_margin = get_if_given_else_default(dict, 'top_margin', 0)
bottom_margin = get_if_given_else_default(dict, 'bottom_margin', 0)
num_rows = dict['num_rows']
first_row = dict['first_row']
last_row = dict['last_row']
row_margin = dict['row_margin']
row = dict['row']
if row != nil
first_row = last_row = row
end
first_row = 1 if first_row == nil
last_row = first_row if last_row == nil
first_row -= 1; last_row -= 1 # switch to 0 for top row instead of 1
num_rows = last_row + 1 if num_rows == nil
row_margin = 0 if row_margin == nil
rows_below = num_rows - last_row - 1
rows_above = first_row
row_width = (1.0 - (top_margin + bottom_margin + row_margin * (num_rows-1))) / num_rows
top_margin = top_margin + rows_above * (row_width + row_margin)
bottom_margin = bottom_margin + rows_below * (row_width + row_margin)
return { 'top_margin' => top_margin, 'bottom_margin' => bottom_margin }
end
def context(&cmd)
trace_cmd_no_arg(@enter_context_function, @exit_context_function) {
save_title = self.title
save_xlabel = self.xlabel
save_ylabel = self.ylabel
save_line_type = self.line_type
save_xaxis_locations_for_major_ticks = self.xaxis_locations_for_major_ticks
save_xaxis_locations_for_minor_ticks = self.xaxis_locations_for_minor_ticks
save_xaxis_tick_labels = self.xaxis_tick_labels
save_yaxis_locations_for_major_ticks = self.yaxis_locations_for_major_ticks
save_yaxis_locations_for_minor_ticks = self.yaxis_locations_for_minor_ticks
save_yaxis_tick_labels = self.yaxis_tick_labels
save_fm_data = Dvector.new(@@fm_data_size).replace(@fm_data)
pdf_gsave
begin
cmd.call(self)
ensure
pdf_grestore
self.title = save_title
self.xlabel = save_xlabel
self.ylabel = save_ylabel
self.line_type = save_line_type
self.xaxis_locations_for_major_ticks = save_xaxis_locations_for_major_ticks
self.xaxis_locations_for_minor_ticks = save_xaxis_locations_for_minor_ticks
self.xaxis_tick_labels = save_xaxis_tick_labels
self.yaxis_locations_for_major_ticks = save_yaxis_locations_for_major_ticks
self.yaxis_locations_for_minor_ticks = save_yaxis_locations_for_minor_ticks
self.yaxis_tick_labels = save_yaxis_tick_labels
@fm_data.replace(save_fm_data)
end
}
end
def rescale(factor)
rescale_text(factor)
rescale_lines(factor)
end
def show_plot_box
show_xaxis
show_yaxis
show_edges
show_title
show_xlabel
show_ylabel
end
def show_xaxis
show_axis(self.xaxis_loc) if self.xaxis_visible
end
def show_yaxis
show_axis(self.yaxis_loc) if self.yaxis_visible
end
def show_edges
show_top_edge
show_bottom_edge
show_left_edge
show_right_edge
end
def show_top_edge
show_edge(TOP) if self.top_edge_visible && self.xaxis_loc != TOP
end
def show_bottom_edge
show_edge(BOTTOM) if self.bottom_edge_visible && self.xaxis_loc != BOTTOM
end
def show_left_edge
show_edge(LEFT) if self.left_edge_visible && self.yaxis_loc != LEFT
end
def show_right_edge
show_edge(RIGHT) if self.right_edge_visible && self.yaxis_loc != RIGHT
end
def show_title(text = nil)
text = self.title if text == nil
if (self.title_visible && text != nil)
show_text('text' => text,
'side' => self.title_side, 'position' => self.title_position,
'scale' => self.title_scale, 'shift' => self.title_shift,
'angle' => self.title_angle, 'alignment' => self.title_alignment,
'justification' => self.title_justification,
'color' => self.title_color)
end
end
def show_xlabel(text = nil)
text = self.xlabel if text == nil
if (self.xlabel_visible && text != nil)
angle = self.xlabel_angle
side = self.xlabel_side
shift = self.xlabel_shift
shift -= 0.5 if (side == TOP && angle == 0)
show_text('text' => text,
'side' => side, 'position' => self.xlabel_position,
'scale' => self.xlabel_scale, 'shift' => shift,
'angle' => angle, 'alignment' => self.xlabel_alignment,
'justification' => self.xlabel_justification,
'color' => self.xlabel_color)
end
end
def show_ylabel(text = nil)
text = self.ylabel if text == nil
if (self.ylabel_visible && text != nil)
angle = self.ylabel_angle
side = self.ylabel_side
shift = self.ylabel_shift
shift += 0.5 if (side == RIGHT && angle == 0)
show_text('text' => text,
'side' => side, 'position' => self.ylabel_position,
'scale' => self.ylabel_scale, 'shift' => shift,
'angle' => angle, 'alignment' => self.ylabel_alignment,
'justification' => self.ylabel_justification,
'color' => self.ylabel_color)
end
end
@@keys_for_show_grid = %w[
stroke_color line_type rescale_lines line_width stroke_opacity stroke_transparency
]
# Draws the gridlines associated with the X and Y axis.
#
# The following list shows the keys that cen be used in +dict+. In the
# list, 'A' stands for either 'x' or 'y', and 'M' stands for 'major' or
# 'minor'. Keys can also be specified without the "A_M_" prefix to specify
# "grid-global" defaults. The +grid+ key, if true, enables both major and
# minor gridlines for both x and y axes.
#
# * A_M_grid
# * A_M_line_type
# * A_M_line_width
# * A_M_stroke_opacity
# * A_M_stroke_transparency
# * A_M_stroke_color
def show_grid(dict={})
dict = {
'line_type' => Line_Type_Dot,
'rescale_lines' => 0.25,
'stroke_color' => Gray,
'major_grid' => true,
'minor_grid' => false,
'x_minor_rescale_lines' => 0.5,
'y_minor_rescale_lines' => 0.5,
}.merge(dict)
# "grid-global" context
context do
@@keys_for_show_grid.each do |k|
next unless val = dict[k]
k += '=' if respond_to? "#{k}="
next unless respond_to? k
send(k, val)
end
if dict['x_major_grid'] || dict['x_minor_grid'] ||
dict[ 'major_grid'] || dict[ 'minor_grid'] || dict['grid']
top = axis_information(TOP)
bottom = axis_information(BOTTOM)
y0 = bottom['y0']
y1 = top['y1']
# Do minor and major grid lines in same context so minor lines will
# inherit properties from major lines.
context do
%w[ major minor ].each do |m|
next unless dict["x_#{m}_grid"] || dict["#{m}_grid"] || dict["grid"]
@@keys_for_show_grid.each do |k|
next unless val = dict["x_#{m}_#{k}"]
k += '=' if respond_to? "#{k}="
send(k, val)
end
bottom["#{m}_ticks"].each {|x| stroke_line(x, y0, x, y1)}
end
end
end
if dict['y_major_grid'] || dict['y_minor_grid'] ||
dict[ 'major_grid'] || dict[ 'minor_grid'] || dict['grid']
left = axis_information(LEFT)
right = axis_information(RIGHT)
x0 = left['x0']
x1 = right['x1']
# Do minor and major grid lines in same context so minor lines will
# inherit properties from major lines.
context do
%w[ major minor ].each do |m|
next unless dict["y_#{m}_grid"] || dict["#{m}_grid"] || dict["grid"]
@@keys_for_show_grid.each do |k|
next unless val = dict["y_#{m}_#{k}"]
k += '=' if respond_to? "#{k}="
send(k, val)
end
left["#{m}_ticks"].each {|y| stroke_line(x0, y, x1, y)}
end
end
end
end
end
@@keys_for_show_plot_with_legend = FigureMaker.make_name_lookup_hash([
'legend_top_margin', 'legend_bottom_margin', 'legend_left_margin', 'legend_right_margin',
'plot_top_margin', 'plot_bottom_margin', 'plot_left_margin', 'plot_right_margin',
'plot_scale', 'legend_scale', 'legend_background_function' ])
def show_plot_with_legend(dict=nil, &cmd)
check_dict(dict, @@keys_for_show_plot_with_legend, 'show_plot_with_legend') if dict != nil
legend_top_margin = get_if_given_else_use_default_dict(dict, 'legend_top_margin', @legend_defaults)
legend_bottom_margin = get_if_given_else_use_default_dict(dict, 'legend_bottom_margin', @legend_defaults)
legend_left_margin = get_if_given_else_use_default_dict(dict, 'legend_left_margin', @legend_defaults)
legend_right_margin = get_if_given_else_use_default_dict(dict, 'legend_right_margin', @legend_defaults)
legend_scale = get_if_given_else_use_default_dict(dict, 'legend_scale', @legend_defaults)
plot_top_margin = get_if_given_else_use_default_dict(dict, 'plot_top_margin', @legend_defaults)
plot_bottom_margin = get_if_given_else_use_default_dict(dict, 'plot_bottom_margin', @legend_defaults)
plot_left_margin = get_if_given_else_use_default_dict(dict, 'plot_left_margin', @legend_defaults)
plot_right_margin = get_if_given_else_use_default_dict(dict, 'plot_right_margin', @legend_defaults)
plot_scale = get_if_given_else_use_default_dict(dict, 'plot_scale', @legend_defaults)
legend_background_function = get_if_given_else_default(dict, 'legend_background_function', nil)
@legend_subframe = [legend_left_margin, legend_right_margin,
legend_top_margin, legend_bottom_margin]
reset_legend_info
rescale(plot_scale)
subplot([plot_left_margin, plot_right_margin, plot_top_margin, plot_bottom_margin]) { cmd.call(self) }
# We temporary store the legend information in @legend_subframes
set_subframe(@legend_subframe)
rescale(legend_scale) # note that legend_scale is an addition to the plot_scale, not a replacement
@pr_margin = plot_right_margin
show_legend(legend_background_function)
@legend_subframe = nil
end
def append_points_with_gaps_to_path(xs, ys, gaps, close_subpaths = false)
private_append_points_with_gaps_to_path(xs, ys, gaps, close_subpaths)
end
def show_polyline(xs, ys, color = nil, legend = nil, type = nil, gaps = nil, close_subpaths = nil)
context do
self.line_type = type if type != nil
self.stroke_color = color if color != nil
append_points_with_gaps_to_path(xs, ys, gaps, close_subpaths)
stroke
save_legend_info(legend) if legend != nil
end
end
def stroke_polyline(xs, ys, color = nil, legend = nil, type = nil, gaps = nil, close_subpaths = nil)
show_polyline(xs, ys, color, legend, type, gaps, close_subpaths)
end
def show_contour(xs, ys, gaps = nil, color = nil, type = nil, legend = nil)
show_polyline(xs, ys, color, legend, type, gaps, false)
end
@@keys_for_make_contour = FigureMaker.make_name_lookup_hash([
'dest_xs', 'dest_ys', 'z_level', 'z', 'level', 'xs', 'ys', 'gaps', 'zs', 'data', 'legit', 'method'])
def make_contour(dict)
return FigureMaker.make_contour(dict)
end
def self.make_contour(dict)
check_dict(dict, @@keys_for_make_contour, 'make_contour')
z_level = dict['z_level']
if z_level == nil
z_level = complain_if_missing_numeric_arg(dict, 'z', 'level', 'make_contour')
end
dest_xs = dict['dest_xs']
dest_ys = dict['dest_ys']
xs = get_dvec(dict, 'xs', 'make_contour')
ys = get_dvec(dict, 'ys', 'make_contour')
gaps = dict['gaps']
if (!(gaps.kind_of? Array))
raise "Sorry: 'gaps' for 'make_contour' must be an Array"
end
zs = alt_names(dict, 'zs', 'data')
if (!(zs.kind_of? Dtable))
raise "Sorry: 'zs' for 'make_contour' must be a Dtable"
end
dest_xs.clear unless dest_xs == nil
dest_ys.clear unless dest_ys == nil
gaps.clear
legit = dict['legit']
if legit == nil
legit = Dtable.new(xs.length,ys.length).set(1.0)
elsif (!(legit.kind_of? Dtable))
raise "Sorry: 'legit' for 'make_contour' must be a Dtable -- nonzero means legitimate value in corresponding entry in zs"
end
method = dict['method']
use_conrec = (method == 'conrec' or method == 'CONREC')? 1 : 0
pts_array = FigureMaker.private_make_contour(gaps, xs, ys, zs, z_level, legit, use_conrec)
unless dest_xs == nil
dest_xs.resize(pts_array[0].size)
dest_xs.replace(pts_array[0])
end
unless dest_ys == nil
dest_ys.resize(pts_array[1].size)
dest_ys.replace(pts_array[1])
end
return pts_array
end
@@keys_for_make_steps = FigureMaker.make_name_lookup_hash([
'xfirst', 'x_first', 'yfirst', 'y_first', 'xlast', 'x_last', 'ylast', 'y_last',
'xs', 'ys', 'dest_xs', 'dest_ys'])
def make_steps(dict)
check_dict(dict, @@keys_for_make_steps, 'make_steps')
xfirst = complain_if_missing_numeric_arg(dict, 'xfirst', 'x_first', 'make_steps')
yfirst = complain_if_missing_numeric_arg(dict, 'yfirst', 'y_first', 'make_steps')
xlast = complain_if_missing_numeric_arg(dict, 'xlast', 'x_last', 'make_steps')
ylast = complain_if_missing_numeric_arg(dict, 'ylast', 'y_last', 'make_steps')
dest_xs = dict['dest_xs']
dest_ys = dict['dest_ys']
xs = get_dvec(dict, 'xs', 'make_steps')
ys = get_dvec(dict, 'ys', 'make_steps')
pts_array = private_make_steps(xs, ys, xfirst, yfirst, xlast, ylast)
unless dest_xs == nil
dest_xs.resize(pts_array[0].size)
dest_xs.replace(pts_array[0])
end
unless dest_ys == nil
dest_ys.resize(pts_array[1].size)
dest_ys.replace(pts_array[1])
end
return pts_array
end
@@keys_for_make_curves = FigureMaker.make_name_lookup_hash([
'start_slope', 'end_slope', 'xs', 'ys', 'sample_xs', 'result_ys'])
def make_spline_interpolated_points(dict)
check_dict(dict, @@keys_for_make_curves, 'make_spline_interpolated_points')
start_slope = dict['start_slope']
end_slope = dict['end_slope']
sample_xs = get_dvec(dict, 'sample_xs', 'make_spline_interpolated_points')
xs = get_dvec(dict, 'xs', 'make_spline_interpolated_points')
ys = get_dvec(dict, 'ys', 'make_spline_interpolated_points')
yvec = private_make_spline_interpolated_points(sample_xs, xs, ys, start_slope, end_slope)
result_ys = dict['result_ys']
unless result_ys == nil
result_ys.resize(yvec.size)
result_ys.replace(yvec)
end
return yvec
end
@@keys_for_make_interpolant = FigureMaker.make_name_lookup_hash([
'start_slope', 'end_slope', 'xs', 'ys'])
def make_interpolant(dict)
check_dict(dict, @@keys_for_make_interpolant, 'make_smoothed')
start_slope = dict['start_slope']
end_slope = dict['end_slope']
xs = get_dvec(dict, 'xs', 'make_interpolant')
ys = get_dvec(dict, 'ys', 'make_interpolant')
return Dvector.create_spline_interpolant(xs, ys,
(start_slope != nil), start_slope, (end_slope != nil), end_slope)
end
def append_interpolant_to_path(interp)
x_s = interp[0]; y_s = interp[1]; a_s = interp[2]; b_s = interp[3]; c_s = interp[4]
ctrl = Dvector.new
move_to_point(x_s[0], y_s[0]);
(x_s.size - 1).times do |i|
x0 = x_s[i]; delta_x = x_s[i+1] - x0
ctrl.make_bezier_control_points_for_cubic_in_x(x0, y_s[i], delta_x, a_s[i], b_s[i], c_s[i])
append_curve_to_path(ctrl[0], ctrl[1], ctrl[2], ctrl[3], ctrl[4], ctrl[5])
end
end
@@keys_for_show_error_bars = FigureMaker.make_name_lookup_hash(['x', 'y', 'dx', 'dy',
'dx_plus', 'dx_minus', 'dy_plus', 'dy_minus', 'color', 'end_cap', 'line_width'])
def show_error_bars(dict)
check_dict(dict, @@keys_for_show_error_bars, 'show_error_bars')
x = dict['x']
y = dict['y']
if (x == nil || y == nil)
raise "Sorry: Must give both 'x' and 'y' for show_error_bar."
end
dx = dict['dx']
dx_plus = get_if_given_else_default(dict, 'dx_plus', dx)
dx_minus = get_if_given_else_default(dict, 'dx_minus', dx)
dx_plus = 0 if dx_plus == nil
dx_minus = 0 if dx_minus == nil
dy = dict['dy']
dy_plus = get_if_given_else_default(dict, 'dy_plus', dy)
dy_minus = get_if_given_else_default(dict, 'dy_minus', dy)
dy_plus = 0 if dy_plus == nil
dy_minus = 0 if dy_minus == nil
if (dx_plus == 0 && dy_minus == 0)
raise "Sorry: Must give either or both 'dx' and 'dy' error ranges for show_error_bar."
end
end_cap = get_if_given_else_default(dict, 'end_cap', 0.15) # end_cap length in default text heights
x_end_cap = end_cap * self.default_text_height_dy
y_end_cap = end_cap * self.default_text_height_dx
line_width = get_if_given_else_default(dict, 'line_width', 1)
prev_line_width = self.line_width
self.line_width = line_width if prev_line_width != line_width
color = get_if_given_else_default(dict, 'color', Black)
prev_color = self.stroke_color
self.stroke_color = color if prev_color != color
# vertical error (dy)
if (dy_plus != 0 || dy_minus != 0)
stroke_line(x, y+dy_plus, x, y-dy_minus)
stroke_line(x-y_end_cap, y+dy_plus, x+y_end_cap, y+dy_plus)
stroke_line(x-y_end_cap, y-dy_minus, x+y_end_cap, y-dy_minus)
end
# horizontal error (dx)
if (dx_plus != 0 || dx_minus != 0)
stroke_line(x+dx_plus, y, x-dx_minus, y)
stroke_line(x+dx_plus, y-x_end_cap, x+dx_plus, y+x_end_cap)
stroke_line(x-dx_minus, y-x_end_cap, x-dx_minus, y+x_end_cap)
end
self.line_width = prev_line_width if prev_line_width != line_width
self.stroke_color = prev_color if prev_color != color
end
@@keys_for_show_arrow = FigureMaker.make_name_lookup_hash([
'x_head', 'y_head', 'x_tail', 'y_tail', 'head', 'tail',
'color', 'head_color', 'tail_color', 'line_color',
'line_style',
'head_marker', 'tail_marker', 'line_width',
'head_angle', 'head_just', 'tail_just', 'tail_angle',
'head_scale', 'tail_scale'])
# TODO: add linestyle capacities to arrows.
def show_arrow(dict)
check_dict(dict, @@keys_for_show_arrow, 'show_arrow')
if check_pair(head = dict['head'], 'head', 'show_arrow')
x_head = head[0]
y_head = head[1]
else
x_head = dict['x_head']
y_head = dict['y_head']
end
if (x_head == nil || y_head == nil)
raise "Sorry: Must give both 'x_head' and 'y_head' for show_arrow."
end
if check_pair(tail = dict['tail'], 'tail', 'show_arrow')
x_tail = tail[0]
y_tail = tail[1]
else
x_tail = dict['x_tail']
y_tail = dict['y_tail']
end
if (x_tail == nil || y_tail == nil)
raise "Sorry: Must give both 'x_tail' and 'y_tail' for show_arrow."
end
color = get_if_given_else_default(dict, 'color', Black)
head_color = get_if_given_else_default(dict, 'head_color', color)
tail_color = get_if_given_else_default(dict, 'tail_color', color)
head_angle = get_if_given_else_default(dict, 'head_angle', 0)
tail_angle = get_if_given_else_default(dict, 'tail_angle', -180)
line_color = get_if_given_else_default(dict, 'line_color', color)
head_marker = get_if_given_else_default(dict, 'head_marker', Arrowhead)
tail_marker = get_if_given_else_default(dict, 'tail_marker', BarThin)
line_width = get_if_given_else_default(dict, 'line_width', 1)
head_scale = dict['head_scale']
head_scale = @marker_defaults['scale'] if head_scale == nil
tail_scale = dict['tail_scale']
# Automatic detection of marker justification
dict['tail_just'] ||= if tail_marker == Arrowhead || tail_marker == ArrowheadOpen
RIGHT_JUSTIFIED
else
CENTERED
end
dict['head_just'] ||= if head_marker == Arrowhead || head_marker == ArrowheadOpen
RIGHT_JUSTIFIED
else
CENTERED
end
prev_line_cap = self.line_cap
self.line_cap = LINE_CAP_BUTT if prev_line_cap != LINE_CAP_BUTT
prev_line_width = self.line_width
self.line_width = line_width if prev_line_width != line_width
prev_stroke_color = self.stroke_color
self.stroke_color = line_color if line_color != prev_stroke_color
prev_line_type = self.line_type
if dict['line_style']
self.line_type = dict['line_style']
end
dx = x_head - x_tail
dy = y_head - y_tail
pg_dx = convert_figure_to_output_dx(dx)
pg_dy = convert_figure_to_output_dy(dy)
len = (pg_dx*pg_dx + pg_dy*pg_dy).sqrt
chsz = convert_figure_to_output_dx(default_text_height_dx) * head_scale
chsz = -chsz if chsz < 0
tail_frac = if dict['tail_just'] == RIGHT_JUSTIFIED
0.5 * chsz/len
else
0.0
end
head_frac = if dict['head_just'] == RIGHT_JUSTIFIED
(len - 0.5 * chsz)/len
else
1.0
end
if head_frac < tail_frac # Pretty uncommon, I guess
head_frac = tail_frac = 0.5 # We put everything in the middle, then
end
# Don't actually stroke the line if line_width is null. Can be used
# to draw only the markers.
stroke_line(x_tail + tail_frac*dx, y_tail + tail_frac*dy,
x_tail + head_frac*dx, y_tail + head_frac*dy) if line_width > 0
angle = convert_to_degrees(dx, dy)
if head_marker != 'None'
show_marker('marker' => head_marker, 'point' => [x_head, y_head], 'color' => head_color,
'justification' => dict['head_just'], 'angle'=> (angle + head_angle), 'scale' => head_scale)
end
if tail_marker != 'None'
if tail_marker == Arrowhead || tail_marker == ArrowheadOpen
just = RIGHT_JUSTIFIED
else
just = CENTERED
end
show_marker('marker' => tail_marker, 'point' => [x_tail, y_tail], 'color' => tail_color,
'angle'=> (angle + tail_angle), 'scale' => tail_scale, 'justification' => dict['tail_just'])
end
self.line_cap = prev_line_cap if prev_line_cap != LINE_CAP_BUTT
self.line_width = prev_line_width if prev_line_width != line_width
self.stroke_color = prev_stroke_color if prev_stroke_color != line_color
self.line_type = prev_line_type
end
@@keys_for_axial_shading = FigureMaker.make_name_lookup_hash(['extend_start', 'extend_end',
'x_start', 'y_start', 'start', 'start_point', 'x_end', 'y_end', 'end', 'end_point', 'colormap', 'color_map'])
def axial_shading(dict)
check_dict(dict, @@keys_for_axial_shading, 'axial_shading')
x_start = y_start = nil
start = alt_names(dict, 'start', 'start_point')
if check_pair(start, 'start', 'axial_shading')
x_start = start[0]; y_start = start[1];
end
x_start = dict['x_start'] if x_start == nil
y_start = dict['y_start'] if y_start == nil
if (x_start == nil || y_start == nil)
raise "Sorry: Must give both 'x_start' and 'y_start' for axial_shading."
end
x_end = y_end = nil
endpt = alt_names(dict, 'end', 'end_point')
if check_pair(endpt, 'end', 'axial_shading')
x_end = endpt[0]; y_end= endpt[1];
end
x_end = dict['x_end'] if x_end == nil
y_end = dict['y_end'] if y_end == nil
if (x_end == nil || y_end == nil)
raise "Sorry: Must give both 'x_end' and 'y_end' for axial_shading."
end
colormap = alt_names(dict, 'colormap', 'color_map')
extend_start = dict['extend_start']
extend_end = dict['extend_end']
private_axial_shading(x_start, y_start, x_end, y_end, colormap, extend_start, extend_end)
end
@@keys_for_radial_shading = FigureMaker.make_name_lookup_hash(['extend_start', 'extend_end',
'x_start', 'y_start', 'radius_start', 'start_radius', 'start', 'start_circle',
'x_end', 'y_end', 'radius_start', 'end_radius', 'end', 'end_circle',
'colormap', 'color_map', 'x_hat', 'y_hat', 'xhat', 'yhat'])
def radial_shading(dict)
check_dict(dict, @@keys_for_radial_shading, 'radial_shading')
start_circle = alt_names(dict, 'start_circle', 'start')
end_circle = alt_names(dict, 'end_circle', 'end')
colormap = alt_names(dict, 'colormap', 'color_map')
x_hat = alt_names(dict, 'x_hat', 'xhat')
x_hat = [1, 0] if x_hat == nil
y_hat = alt_names(dict, 'y_hat', 'yhat')
y_hat = [0, 1] if y_hat == nil
origin = dict['origin']
origin = [0, 0] if origin == nil
extend_start = dict['extend_start']
extend_end = dict['extend_end']
private_radial_shading(start_circle[0], start_circle[1], start_circle[2],
end_circle[0], end_circle[1], end_circle[2], colormap,
x_hat[0], y_hat[0], x_hat[1], y_hat[1],
extend_start, extend_end)
end
def string_hls_to_rgb(str)
string_hls_to_rgb!(String.new(str))
end
def string_rgb_to_hls(str)
string_rgb_to_hls!(String.new(str))
end
@@keys_for_show_image = FigureMaker.make_name_lookup_hash([
'll', 'lr', 'ul', 'w', 'width', 'height', 'h',
'opacity_mask', 'stencil_mask',
'jpg', 'JPG', 'jpeg', 'JPEG', 'interpolate', 'data', 'value_mask',
'color_space', 'color_map', 'colormap'])
def show_image(dict)
internal_show_image(dict, false)
end
@@keys_for_create_colormap = FigureMaker.make_name_lookup_hash(['length', 'points', 'Rs', 'Gs', 'Bs', 'Hs', 'Ls', 'Ss'])
def create_colormap(dict)
check_dict(dict, @@keys_for_create_colormap, 'create_colormap')
length = dict['length']
length = 256 if length == nil
if !(length >= 2 && length <= 256)
raise "Sorry: dictionary for create color map must have 'length' between 2 and 256"
end
points = dict['points']
if points == nil
raise "Sorry: dictionary for create color map must have 'points' set to a vector of increasing locations from 0.0 to 1.0"
end
c1s = dict['Rs']
c2s = dict['Gs']
c3s = dict['Bs']
if c1s != nil && c2s != nil && c3s != nil
rgb_flag = true
else
c1s = dict['Hs']
c2s = dict['Ls']
c3s = dict['Ss']
if c1s == nil || c2s == nil || c3s == nil
raise "Sorry: dictionary for create color map must have 'Rs', 'Gs', and 'Bs', or 'Hs', 'Ls', and 'Ss'."
end
rgb_flag = false
end
private_create_colormap(rgb_flag, length, points, c1s, c2s, c3s)
end
def intense_colormap
if @intense_colormap == nil
@intense_colormap = create_colormap(
'points' => [0.0, 0.44, 0.50, 0.50, 0.56, 1.0],
'Hs' => [240, 240, 240, 0, 0, 0],
'Ls' => [0.5, 0.90, 0.99, 0.99, 0.90, 0.5],
'Ss' => [1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
)
end
@intense_colormap
end
def mellow_colormap
if @mellow_colormap == nil
@mellow_colormap = create_colormap(
'points' => [0.0, 0.44, 0.50, 0.50, 0.56, 1.0],
'Hs' => [240, 240, 240, 0, 0, 0],
'Ls' => [0.5, 0.90, 0.99, 0.99, 0.90, 0.5],
'Ss' => [0.5, 1.0, 1.0, 1.0, 1.0, 0.5]
)
end
@mellow_colormap
end
def rainbow_colormap
if @rainbow_colormap == nil
@rainbow_colormap = create_colormap(
'points' => [0.00, 0.27, 0.46, 0.73, 1.00], # distorted to reduce size of green
# modified for debugging purposes...
'Hs' => (Dvector[0.0, 1.0, 2.0, 3.0, 4.0]*90.0 - 20.0)*(340.0/360.0) + 10.0,
'Ls' => [ 0.5, 0.5, 0.5, 0.5, 0.5],
'Ss' => [ 1.0, 1.0, 1.0, 1.0, 1.0]
)
end
@rainbow_colormap
end
@@keys_for_create_gradient_colormap = FigureMaker.make_name_lookup_hash([
'hue', 'starting_H', 'ending_H',
'lightness', 'starting_L', 'ending_L', 'saturation', 'starting_S', 'ending_S'])
def create_gradient_colormap(dict)
check_dict(dict, @@keys_for_create_gradient_colormap, 'create_gradient_colormap')
hue = get_if_given_else_default(dict, 'hue', 0)
starting_H = get_if_given_else_default(dict, 'starting_H', hue)
ending_H = get_if_given_else_default(dict, 'ending_H', hue)
lightness = get_if_given_else_default(dict, 'lightness', 0.5)
starting_L = get_if_given_else_default(dict, 'starting_L', lightness)
ending_L = get_if_given_else_default(dict, 'ending_L', lightness)
saturation = get_if_given_else_default(dict, 'saturation', 0.5)
starting_S = get_if_given_else_default(dict, 'starting_S', saturation)
ending_S = get_if_given_else_default(dict, 'ending_S', saturation)
create_colormap(
'points' => [0.00, 1.00],
'Hs' => [starting_H, ending_H],
'Ls' => [starting_L, ending_L],
'Ss' => [starting_S, ending_S]
)
end
@@keys_for_create_image_data = FigureMaker.make_name_lookup_hash([
'first_row', 'last_row', 'first_column', 'last_column',
'min_value', 'max_value', 'max_code', 'if_below_range', 'if_above_range', 'masking'])
def create_image_data(data, dict)
check_dict(dict, @@keys_for_create_image_data, 'create_image_data')
first_row = dict['first_row']
last_row = dict['last_row']
first_column = dict['first_column']
last_column = dict['last_column']
min_value = dict['min_value']
max_value = dict['max_value']
max_code = dict['max_code']
if_below_range = dict['if_below_range']
if_above_range = dict['if_above_range']
first_row = 0 if first_row == nil
last_row = -1 if last_row == nil
first_column = 0 if first_column == nil
last_column = -1 if last_column == nil
min_value = data.min if min_value == nil
max_value = data.max if max_value == nil
max_code = 255 if max_code == nil
if_below_range = 0 if if_below_range == nil
if_above_range = max_code if if_above_range == nil
if dict['masking'] == true
max_code = 254; if_below_range = if_above_range = 255
end
return private_create_image_data(data, first_row, last_row, first_column, last_column,
min_value, max_value, max_code, if_below_range, if_above_range);
end
@@keys_for_create_monochrome_image_data = FigureMaker.make_name_lookup_hash([
'first_row', 'last_row', 'first_column', 'last_column', 'boundary', 'reverse'])
def create_monochrome_image_data(data, dict)
check_dict(dict, @@keys_for_create_monochrome_image_data, 'create_monochrome_image_data')
first_row = dict['first_row']
last_row = dict['last_row']
first_column = dict['first_column']
last_column = dict['last_column']
boundary = dict['boundary']
reverse = dict['reverse']
first_row = 0 if first_row == nil
last_row = -1 if last_row == nil
first_column = 0 if first_column == nil
last_column = -1 if last_column == nil
boundary = 0 if boundary == nil
reverse = false if reverse == nil
return private_create_monochrome_image_data(data, first_row, last_row, first_column, last_column,
boundary, reverse);
end
@@keys_for_show_marker = FigureMaker.make_name_lookup_hash([
'marker', 'x', 'y', 'at', 'point', 'Xs', 'Ys', 'xs', 'ys', 'mode', 'rendering_mode', 'legend',
'angle', 'scale', 'font', 'string', 'text', 'color', 'fill_color', 'stroke_color', 'stroke_width',
'horizontal_scale', 'vertical_scale', 'italic_angle', 'ascent_angle', 'alignment', 'justification'])
def show_marker(dict)
check_dict(dict, @@keys_for_show_marker, 'show_marker')
marker = dict['marker']
x = y = nil
at = alt_names(dict, 'at', 'point')
if check_pair(at, 'at', 'show_text')
x = at[0]; y = at[1];
end
x = dict['x'] if x == nil
y = dict['y'] if y == nil
xs = alt_names(dict, 'Xs', 'xs')
ys = alt_names(dict, 'Ys', 'ys')
if ((xs != nil && ys == nil) || (ys != nil && xs == nil))
raise "Sorry: Must supply both xs and ys for show_marker"
end
if (xs != nil && ys != nil && xs.size != ys.size)
raise "Sorry: Must equal length xs and ys for show_marker"
end
color = dict['color']
if color == nil
fill_color = get_if_given_else_use_default_dict(dict, 'fill_color', @marker_defaults)
stroke_color = get_if_given_else_use_default_dict(dict, 'stroke_color', @marker_defaults)
else
stroke_color = dict['stroke_color'] || color
fill_color = dict['fill_color'] || color
end
font = dict['font']
mode = alt_names(dict, 'mode', 'rendering_mode')
string = alt_names(dict, 'string', 'text')
if (marker == nil && string == nil)
raise "Sorry: Must give either 'marker' or 'string' for show_marker"
end
if (marker != nil && string != nil)
raise "Sorry: Must give either 'marker' or 'string' for show_marker, but not both"
end
stroke_width = get_if_given_else_default(dict, 'stroke_width', stroke_width)
angle = get_if_given_else_use_default_dict(dict, 'angle', @marker_defaults)
scale = get_if_given_else_use_default_dict(dict, 'scale', @marker_defaults)
just = get_if_given_else_use_default_dict(dict, 'justification', @marker_defaults)
align = get_if_given_else_use_default_dict(dict, 'alignment', @marker_defaults)
h_scale = get_if_given_else_use_default_dict(dict, 'horizontal_scale', @marker_defaults)
v_scale = get_if_given_else_use_default_dict(dict, 'vertical_scale', @marker_defaults)
it_angle = get_if_given_else_use_default_dict(dict, 'italic_angle', @marker_defaults)
ascent_angle = get_if_given_else_use_default_dict(dict, 'ascent_angle', @marker_defaults)
glyph = 0 if glyph == nil
args = [marker, font, mode, align, just, stroke_width, string, x, y, xs, ys,
h_scale, v_scale, scale, it_angle, ascent_angle, angle, fill_color, stroke_color]
private_show_marker(args)
legend_arg = dict['legend']
if legend_arg != nil
if legend_arg.kind_of?Hash
legend = legend_arg.dup
legend["line_type"] = 'None' if legend["line_type"] == nil
legend["marker"] = marker if legend["marker"] == nil
legend["marker_scale"] = scale if legend["marker_scale"] == nil
legend["marker_color"] = fill_color if legend["marker_color"] == nil
save_legend_info(legend)
elsif legend_arg.kind_of?String
save_legend_info(
'line_type' => 'None',
'marker' => marker,
'marker_scale' => scale,
'marker_color' => fill_color,
'text' => legend_arg)
else
save_legend_info(legend_arg)
end
end
end
def show_label(dict)
at = alt_names(dict, 'at', 'point')
if check_pair(at, 'at', 'show_text')
xloc = at[0]
yloc = at[1]
else
xloc = dict['x']
yloc = dict['y']
end
if (xloc == nil || yloc == nil)
raise "Sorry: Must supply 'at', 'point', or 'x' and 'y' for show_label"
end
return if !check_label_clip(xloc, yloc)
show_text(dict)
end
@@keys_for_show_text = FigureMaker.make_name_lookup_hash([
'text', 'side', 'loc', 'position', 'pos', 'x', 'y',
'shift', 'scale', 'color', 'angle', 'alignment', 'justification', 'at', 'point', 'measure'])
def show_text(dict)
check_dict(dict, @@keys_for_show_text, 'show_text')
text = dict['text']
if text == nil
raise "Sorry: Must supply 'text' entry in dictionary for show_text"
end
scale = get_if_given_else_default(dict, 'scale', 1)
color = dict['color'] # color is [r,g,b] array. this adds \textcolor[rgb]{r,g,b}{...}
if color != nil
if !color.kind_of? Array
raise "Sorry: 'color' must be array of [r,g,b] intensities for show_text (#{color})"
end
r = color[0]; g = color[1]; b = color[2];
if (!(r.kind_of? Numeric) || !(g.kind_of? Numeric) || !(b.kind_of? Numeric) )
raise "Sorry: 'color' must be array of [r,g,b] intensities for show_text"
end
text = sprintf("\\textcolor[rgb]{%0.2f,%0.2f,%0.2f}{%s}", r, g, b, text)
end
just = get_if_given_else_default(dict, 'justification', self.justification)
align = get_if_given_else_default(dict, 'alignment', self.alignment)
angle = get_if_given_else_default(dict, 'angle', 0)
loc = alt_names(dict, 'loc', 'side')
if (loc == nil)
at = alt_names(dict, 'at', 'point')
if check_pair(at, 'at', 'show_text')
xloc = at[0]
yloc = at[1]
else
xloc = dict['x']
yloc = dict['y']
end
if (xloc == nil || yloc == nil)
raise "Sorry: Must supply a location for show_text"
end
show_rotated_label(text, xloc, yloc, scale, angle, just, align,
dict['measure'] || nil)
return
end
position = alt_names(dict, 'position', 'pos')
position = 0.5 if position == nil
shift = dict['shift']
if loc == LEFT
shift = self.text_shift_on_left if shift == nil
elsif loc == RIGHT
shift = self.text_shift_on_right if shift == nil
elsif loc == TOP
shift = self.text_shift_on_top if shift == nil
elsif loc == BOTTOM
shift = self.text_shift_on_bottom if shift == nil
else
if (loc == AT_X_ORIGIN)
shift = self.text_shift_from_x_origin if shift == nil
xloc = shift*self.char_height_dx
yloc = convert_frame_to_figure_y(position)
return
elsif (loc == AT_Y_ORIGIN)
shift = self.text_shift_from_y_origin if shift == nil
yloc = shift*self.char_height_dy
xloc = convert_frame_to_figure_x(position)
else
raise "Sorry: 'loc' must be LEFT, RIGHT, TOP, BOTTOM, AT_X_ORIGIN, or AT_Y_ORIGIN for show_text"
end
show_rotated_label(text, xloc, yloc, scale, angle, just, align,
dict['measure'])
return
end
show_rotated_text(text, loc, shift, position, scale, angle, just,
align, dict['measure'])
end
def reset_eval_function
@eval_command = nil
end
def def_eval_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_eval"
end
@eval_command = cmd
end
def def_enter_page_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_enter_page_function"
end
@enter_page_function = cmd
end
def reset_enter_page_function
@enter_page_function = nil
end
def def_exit_page_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_exit_page_function"
end
@exit_page_function = cmd
end
def reset_exit_page_function
@exit_page_function = nil
end
def def_enter_show_plot_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_enter_show_plot_function"
end
@enter_show_plot_function = cmd
end
def reset_enter_show_plot_function
@enter_show_plot_function = nil
end
def def_exit_show_plot_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_exit_show_plot_function"
end
@exit_show_plot_function = cmd
end
def reset_exit_show_plot_function
@exit_show_plot_function = nil
end
def def_enter_subfigure_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_enter_subfigure_function"
end
@enter_subfigure_function = cmd
end
def reset_enter_subfigure_function
@enter_subfigure_function = nil
end
def def_exit_subfigure_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_exit_subfigure_function"
end
@exit_subfigure_function = cmd
end
def reset_exit_subfigure_function
@exit_subfigure_function = nil
end
def def_enter_subplot_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_enter_subplot_function"
end
@enter_subplot_function = cmd
end
def reset_enter_subplot_function
@enter_subplot_function = nil
end
def def_exit_subplot_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_exit_subplot_function"
end
@exit_subplot_function = cmd
end
def reset_exit_subplot_function
@exit_subplot_function = nil
end
def def_enter_context_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_enter_context_function"
end
@enter_context_function = cmd
end
def reset_enter_context_function
@enter_subplot_context = nil
end
def def_exit_context_function(&cmd)
if cmd == nil
raise "Sorry: must provide a command block for def_exit_context_function"
end
@exit_context_function = cmd
end
def reset_exit_context_function
@exit_subplot_context = nil
end
def eval_function(string)
result = string
if @eval_command == nil
begin
result = eval(string)
rescue Exception => er
report_error(er, nil)
end
else
begin
result = @eval_command.call(string)
rescue Exception => er
report_error(er, nil)
end
end
return result
end
def def_figure(name, &cmd)
name = name.split(' ').join('_') # replace blanks by underscores since names must be okay for shell
if cmd == nil
raise "Sorry: must provide a command block for def_figure"
end
if (num = @figure_names.index(name)) == nil
@figure_names << name
num = @figure_names.index(name)
@num_figures = @figure_names.length
end
@figure_commands[num] = cmd
return cmd
end
def figure_index(name)
return @figure_names.index(name)
end
def make_figure(num)
make_pdf(num)
end
def make_preview_pdf(num) # old name
make_pdf(num)
end
# We wrap the call so that if the keys of @measures
# did change during the call, we call it again.
def make_pdf(num,&cmd) # returns pdf name if successful, false if failed.
def_figure(num,&cmd) if Kernel.block_given?
old_measure_keys = @measures.keys
num = get_num_for_pdf(num)
result = start_making_pdf(num)
return unless result
begin
@figure_pdfs[num] = finish_making_pdf(@figure_names[num])
# If the keys have changed, we run that again.
rescue Exception => e
p e, e.backtrace
end
if @measures.keys != old_measure_keys
# we dont need to pass &cmd since it has now been defined
make_pdf(num)
end
return @figure_pdfs[num]
end
def require_pdf(num)
num = get_num_for_pdf(num)
make_pdf(num) if @figure_pdfs[num] == nil
return @figure_pdfs[num]
end
def require_all(fignums=nil, report=false, always_make=false)
fignums = Array.new(@figure_names.length) {|i| i} if fignums == nil
nums = []
fignums.each do |num|
if always_make || (@figure_pdfs[num] == nil)
result = start_making_pdf(num)
if result
report_number_and_name(num,@figure_names[num]) if report
nums << num
else
puts 'ERROR: Failed to make pdf for ' + @figure_names[num]
end
end
end
finish_making_pdfs(nums,report)
return true
end
def make_all(fignums=nil, report=false)
require_all(fignums, report, true)
end
def make_portfolio_pdf(name, fignums=nil, report=false)
make_portfolio(name,fignums,report)
end
def make_portfolio(name, fignums=nil, report=false)
require_all(fignums,report)
private_make_portfolio(name, fignums, @figure_names)
finish_making_pdf(name)
end
# make create_figure_temp_files public for use by applications like ctioga.
def create_figure_temp_files(name) # returns true if successful, false if failed.
if name.kind_of?(Integer)
num = name
name = @figure_names[num]
else
num = @figure_names.index(name)
end
return false if num == nil
cmd = @figure_commands[num]
return false unless cmd.kind_of?(Proc)
begin
reset_plot_attrs
reset_legend_info
private_make(name, cmd)
return true
rescue Exception => er
report_error(er, "ERROR while executing command: #{cmd}")
end
return false
end
private
def report_number_and_name(num,name)
if num < 10
puts ' ' + num.to_s + ' ' + name
elsif num < 100
puts ' ' + num.to_s + ' ' + name
else
puts num.to_s + ' ' + name
end
end
def get_num_for_pdf(num)
num = @figure_names.index(num) unless num.kind_of?(Integer)
ensure_safe_save_dir
num = num.to_i
num_figures = @figure_names.size
num += num_figures if num < 0
if ((num < 0) or (num >= num_figures))
puts "Sorry: number must be between 0 and #{num_figures-1}"
num = nil
end
return num
end
def start_making_pdf(num) # returns true if successful, false if failed.
num = get_num_for_pdf(num)
if num == nil
result = false
else
name = @figure_names[num]
begin
result = create_figure_temp_files(num)
name = get_save_filename(name)
rescue Exception => er
report_error(er, "ERROR: make failed for #{name}")
result = false
end
end
return result
end
def finish_making_pdfs(fignums,report)
if @multithreads_okay_for_tioga # run separate threads for the pdflatex processing
threads = []
fignums.each do |num|
threads << Thread.new(num) { |i| finish_1_pdf(i,report) }
end
threads.each {|thr| thr.join}
else
fignums.each {|num| finish_1_pdf(num,report)}
end
return true
end
def finish_1_pdf(num,report)
old_measure_keys = @measures.keys
pdfname = finish_making_pdf(@figure_names[num])
if pdfname != false
@figure_pdfs[num] = pdfname
report_number_and_name(num,pdfname) if report
else
puts 'ERROR: pdflatex failed to make pdf for ' + @figure_names[num]
end
end
def finish_making_pdf(name) # returns pdfname if succeeds, false if fails.
pdflatex = FigureMaker.pdflatex
quiet = @quiet_mode
run_directory = @run_dir
if (@save_dir == nil)
logname = "pdflatex.log"
else
logname = "#{@save_dir}/pdflatex.log"
end
if (@save_dir == nil)
syscmd = "#{pdflatex} -interaction nonstopmode #{name}.tex"
else
syscmd = "cd #{@save_dir}; #{pdflatex} -interaction nonstopmode #{name}.tex"
end
# Now fun begins:
# We use IO::popen for three reasons:
# * first, we want to be able to read back information from
# pdflatex (see \tiogameasure)
# * second, this way of doing should be portable to win, while
# the > trick might not be that much...
# * third, closing the standard input of pdflatex will remove
# painful bugs, when pdflatex gets interrupted but waits
# for an input for which it didn't prompt.
@measures = {}
IO::popen(syscmd, "r+") do |f|
f.close_write # We don't need that.
log = File.open(logname, "w")
for line in f
log.print line
if line =~ /^(.*)\[(\d)\]=(.+pt)/
n = $1
num = $2.to_i
dim = Utils::tex_dimension_to_bp($3)
@measures[n] ||= []
@measures[n][num] = dim
end
end
end
# Now passing the saved measures to the C code.
for key, val in @measures
# p @fm_data
private_save_measure(key, *val)
end
result = $?
if !result
puts "ERROR: #{pdflatex} failed."
file = File.open(logname)
if file == nil
puts "cannot open #{logname}"
else
reporting = false; linecount = 0
file.each_line do |line|
reporting = true if line =~ /^!/
if reporting
puts line
linecount = linecount + 1
break if linecount == @num_error_lines
end
end
file.close
end
end
if result
pdfname = name
logname = "pdflatex.log"
files = %w(.tex .out .aux .log _figure.pdf _figure.txt).map do |suffix|
pdfname + suffix
end
files << logname
files << "color_names.aux"
if @save_dir # prepend directory specification
files.map! do |f|
"#{@save_dir}/#{f}"
end
end
begin
if @autocleanup
files.each do |f|
begin
File.delete(f)
rescue
end
end
end
end
pdfname = "#{@save_dir}/#{pdfname}" if @save_dir != nil
pdfname = "#{run_directory}/#{pdfname}" if run_directory != nil && pdfname[0..0] != '/'
pdfname += ".pdf"
return pdfname
end
return false
end
def internal_show_image(dict, is_mask)
check_dict(dict, @@keys_for_show_image, 'show_image')
ll = dict['ll']; lr = dict['lr']; ul = dict['ul']
w = alt_names(dict, 'w', 'width')
h = alt_names(dict, 'h', 'height')
opacity_mask = alt_names(dict, 'opacity_mask', 'stencil_mask')
if opacity_mask != nil
mask_xo_num = internal_show_image(opacity_mask, true)
else
mask_xo_num = 0
end
filename = alt_names(dict, 'jpg', 'JPG')
filename = dict['jpeg'] if filename == nil
filename = dict['JPEG'] if filename == nil
if filename != nil
return private_show_jpg(filename, w, h, [ll[0], ll[1], lr[0], lr[1], ul[0], ul[1]], mask_xo_num)
end
interpolate = get_if_given_else_default(dict, 'interpolate', true)
data = dict['data']
value_mask = dict['value_mask']
color_space = alt_names(dict, 'color_space', 'colormap')
color_space = dict['color_map'] if color_space == nil
if color_space == nil
raise "Sorry: must specify 'color_space' for the image"
end
if color_space == 'MONO' || color_space == 'mono'
raise "Sorry: monochrome image must not itself have a mask" unless mask_xo_num == 0
reversed = get_if_given_else_default(dict, 'reversed', false)
xo_obj = private_show_monochrome_image(ll[0], ll[1], lr[0], lr[1], ul[0], ul[1],
interpolate, reversed, w, h, data, ((is_mask)? -1 : 0))
return is_mask ? xo_obj : self
end
if color_space == 'GRAY' || color_space == 'gray' || color_space == 'GREY' || color_space == 'grey'
if is_mask
raise("Sorry: mask must not itself have a mask") unless mask_xo_num == 0
mask_xo_num = -1
end
xo_obj = private_show_grayscale_image(ll[0], ll[1], lr[0], lr[1], ul[0], ul[1],
interpolate, w, h, data, mask_xo_num)
return is_mask ? xo_obj : self
end
if is_mask
raise "Sorry: mask image must have 'color_space' set to 'gray' or 'mono'"
end
if color_space == 'RGB' || color_space == 'rgb'
private_show_rgb_image(ll[0], ll[1], lr[0], lr[1], ul[0], ul[1], interpolate, w, h, data, mask_xo_num)
return self
end
if color_space == 'HLS' || color_space == 'hls'
private_show_hls_image(ll[0], ll[1], lr[0], lr[1], ul[0], ul[1], interpolate, w, h, data, mask_xo_num)
return self
end
if color_space == 'CMYK' || color_space == 'cmyk'
private_show_cmyk_image(ll[0], ll[1], lr[0], lr[1], ul[0], ul[1], interpolate, w, h, data, mask_xo_num)
return self
end
if value_mask == nil
value_mask_min = value_mask_max = 256
elsif value_mask.kind_of?Integer
value_mask_min = value_mask_max = value_mask
else
value_mask_min = value_mask[0];
value_mask_max = value_mask[1];
end
private_show_image(
ll[0], ll[1], lr[0], lr[1], ul[0], ul[1], interpolate,
w, h, data, value_mask_min, value_mask_max, color_space[0], color_space[1], mask_xo_num)
return self
end
def report_error(er, msg)
if msg != nil
puts msg
puts ""
end
puts " #{er.message} [version: #{ FigureMaker.version}]"
puts "\t#{er.backtrace.join("\n\t")}"
end
def make_page(cmd) # the C implementation uses this to call the page function for the figure
entry_function = @enter_page_function
exit_function = @exit_page_function
unless entry_function == nil
begin
entry_result = entry_function.call(self)
rescue Exception => er
report_error(er, nil)
end
end
result = do_cmd(cmd)
unless result == false or exit_function == nil
begin
exit_result = exit_function.call(self)
rescue Exception => er
report_error(er, nil)
end
end
return result
end
def do_cmd(cmd) # the C implementation uses this to call Ruby commands
begin
cmd.call(self)
return true
rescue Exception => er
report_error(er, nil)
end
return false
end
# We make sure that save_dir exists and is a directory, creating it
# if necessary.
def ensure_safe_save_dir
if @save_dir
if File.exists?(@save_dir)
raise "save_dir (#{@save_dir}) exists and is not a directory" unless File.directory?(@save_dir)
else
# we create the directory if possible
if @create_save_dir
Dir.mkdir @save_dir
else
raise "save_dir (#{@save_dir}) doesn't exist " +
" and I was told not to create it"
end
end
end
end
end # class FigureMaker
end # module Tioga
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