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Star feature works, testing is still pending

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Andy Meneely 2015-05-21 09:23:17 -04:00
parent 14e04a89c7
commit 4b63716dfc
4 changed files with 16 additions and 12 deletions
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3
lib/squib/constants.rb
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@ -102,10 +102,13 @@ module Squib
:font_size => :font_size, :font_size => :font_size,
:height => :height, :height => :height,
:hint => :hint, :hint => :hint,
:inner_radius => :inner_radius,
:justify => :justify, :justify => :justify,
:layout => :layout, :layout => :layout,
:markup => :markup, :markup => :markup,
:mask => :mask, :mask => :mask,
:n => :n,
:outer_radius => :outer_radius,
:quotes => :quotes, :quotes => :quotes,
:rect_radius => :radius, :rect_radius => :radius,
:spacing => :spacing, :spacing => :spacing,

2
lib/squib/graphics/cairo_context_wrapper.rb
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@ -23,7 +23,7 @@ module Squib
:set_source, :scale, :render_rsvg_handle, :circle, :triangle, :line_to, :set_source, :scale, :render_rsvg_handle, :circle, :triangle, :line_to,
:operator=, :show_page, :clip, :transform, :mask, :create_pango_layout, :operator=, :show_page, :clip, :transform, :mask, :create_pango_layout,
:antialias=, :curve_to, :matrix, :matrix=, :identity_matrix, :pango_layout_path, :antialias=, :curve_to, :matrix, :matrix=, :identity_matrix, :pango_layout_path,
:stroke_preserve, :target :stroke_preserve, :target, :new_path, :fill_preserve
# :nodoc: # :nodoc:
# @api private # @api private

19
lib/squib/graphics/shapes.rb
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@ -106,21 +106,22 @@ module Squib
# @api private # @api private
def star(x, y, n, angle, inner_radius, outer_radius, fill_color, stroke_color, stroke_width) def star(x, y, n, angle, inner_radius, outer_radius, fill_color, stroke_color, stroke_width)
use_cairo do |cc| use_cairo do |cc|
cc.new_path
cc.translate(x, y) cc.translate(x, y)
cc.rotate(angle) cc.rotate(angle)
cc.translate(-x, -y) cc.translate(-x, -y)
cc.move_to(x + outer_radius, y) #i = 0, so
# coords = [] theta = Math::PI / n.to_f # i.e. (2*pi) / (2*n)
# coords << [x, y - outer_radius] 0.upto(2 * n) do |i|
# coords << [x, y - outer_radius] radius = i.even? ? outer_radius : inner_radius
# cc.move_to(*coords.first) cc.line_to(x + radius * Math::cos(i * theta),
# cc.line_to(*coords[1..-1]) y + radius * Math::sin(i * theta))
end
cc.set_source_squibcolor(stroke_color) cc.set_source_squibcolor(stroke_color)
cc.set_line_width(stroke_width) cc.set_line_width(stroke_width)
cc.stroke_preserve cc.fill_preserve
cc.set_source_squibcolor(fill_color) cc.set_source_squibcolor(fill_color)
cc.fill cc.stroke
end end
end end

4
samples/draw_shapes.rb
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@ -25,8 +25,8 @@ Squib::Deck.new do
stroke_width: 5.0, stroke_color: :cyan, stroke_width: 5.0, stroke_color: :cyan,
fill_color: :burgundy fill_color: :burgundy
star x: 50, y: 1000, n: 5, inner_radius: 50, outer_radius: 100, star x: 300, y: 1000, n: 5, inner_radius: 10, outer_radius: 25,
fill_color: :burgundy, stroke_color: :cyan, stroke_width: 8 fill_color: :burgundy, stroke_color: :cyan, stroke_width: 1
save_png prefix: 'shape_' save_png prefix: 'shape_'
end end