doc/ex/RotateScale.rb in rmagick-2.13.4 vs doc/ex/RotateScale.rb in rmagick-2.14.0
- old
+ new
@@ -1,37 +1,36 @@
require 'rvg/rvg'
rvg = Magick::RVG.new(400, 120) do |canvas|
- canvas.desc = 'Example RotateScale - Rotate and scale transforms'
- canvas.background_fill = 'white'
- canvas.g.styles(:fill=>'none', :stroke=>'black', :stroke_width=>3) do |grp|
- # Draw the axes of the original coordinate system
- grp.line(0, 1.5, 400, 1.5)
- grp.line(1.5, 0, 1.5, 120)
+ canvas.desc = 'Example RotateScale - Rotate and scale transforms'
+ canvas.background_fill = 'white'
+ canvas.g.styles(:fill=>'none', :stroke=>'black', :stroke_width=>3) do |grp|
+ # Draw the axes of the original coordinate system
+ grp.line(0, 1.5, 400, 1.5)
+ grp.line(1.5, 0, 1.5, 120)
+ end
+ # Establish a new coordinate system whose origin is at (50,30)
+ # in the original coord. system and which is rotated by 30 degrees.
+ canvas.g.translate(50,30) do |grp|
+ grp.g.rotate(30) do |grp2|
+ grp2.g.styles(:fill=>'none',:stroke=>'red',:stroke_width=>3) do |grp3|
+ grp3.line(0, 0, 50, 0)
+ grp3.line(0, 0, 0, 50)
+ end
+ grp2.text(0, 0, 'ABC (rotate)').styles(:font_size=>20, :fill=>'blue', :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal')
end
- # Establish a new coordinate system whose origin is at (50,30)
- # in the original coord. system and which is rotated by 30 degrees.
- canvas.g.translate(50,30) do |grp|
- grp.g.rotate(30) do |grp2|
- grp2.g.styles(:fill=>'none',:stroke=>'red',:stroke_width=>3) do |grp3|
- grp3.line(0, 0, 50, 0)
- grp3.line(0, 0, 0, 50)
- end
- grp2.text(0, 0, "ABC (rotate)").styles(:font_size=>20, :fill=>'blue', :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal')
- end
- end
+ end
- # Establish a new coordinate system whose origin is at (200,40)
- # in the original coord. systm and which is scaled by 1.5
- canvas.g.translate(200,40) do |grp|
- grp.g.scale(1.5) do |grp2|
- grp2.g.styles(:fill=>'none',:stroke=>'red',:stroke_width=>3) do |grp3|
- grp3.line(0, 0, 50, 0)
- grp3.line(0, 0, 0, 50)
- end
- grp2.text(0, 0, "ABC (scale)").styles(:font_size=>20, :fill=>'blue', :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal')
- end
+ # Establish a new coordinate system whose origin is at (200,40)
+ # in the original coord. systm and which is scaled by 1.5
+ canvas.g.translate(200,40) do |grp|
+ grp.g.scale(1.5) do |grp2|
+ grp2.g.styles(:fill=>'none',:stroke=>'red',:stroke_width=>3) do |grp3|
+ grp3.line(0, 0, 50, 0)
+ grp3.line(0, 0, 0, 50)
+ end
+ grp2.text(0, 0, 'ABC (scale)').styles(:font_size=>20, :fill=>'blue', :font_family=>'Verdana', :font_weight=>'normal', :font_style=>'normal')
end
+ end
end
rvg.draw.write('RotateScale.gif')
-