Class: Shellfie::ImageMagickCommandBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/shellfie/image_magick_command_builder.rb

Class Method Summary collapse

Class Method Details

.canvas(convert, width:, height:, background:) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 12

def canvas(convert, width:, height:, background:)
  convert.size "#{width}x#{height}"
  convert << background
end

.circle(convert, center_x, center_y, radius) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 53

def circle(convert, center_x, center_y, radius)
  draw(convert, "circle #{center_x},#{center_y} #{center_x + radius},#{center_y}")
end

.clear_region(convert) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 65

def clear_region(convert)
  convert << "+region"
end

.composite_over(convert) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 69

def composite_over(convert)
  convert.compose "over"
  convert.composite
end

.convert(&block) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 8

def convert(&block)
  MiniMagick.convert(&block)
end

.draw(convert, command) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 25

def draw(convert, command)
  convert.draw command
end

.line(convert, x1, y1, x2, y2) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 43

def line(convert, x1, y1, x2, y2)
  draw(convert, "line #{x1},#{y1} #{x2},#{y2}")
end

.lines(convert, lines) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 47

def lines(convert, lines)
  return if lines.empty?

  draw(convert, lines.map { |line| "line #{line[:x1]},#{line[:y1]} #{line[:x2]},#{line[:y2]}" }.join(" "))
end

.output(convert, path, format: nil) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 17

def output(convert, path, format: nil)
  convert << output_path(path, format: format || File.extname(path).delete_prefix("."))
end

.output_path(path, format:) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 21

def output_path(path, format:)
  format == "apng" ? "apng:#{path}" : path
end

.point(convert, x, y) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 57

def point(convert, x, y)
  draw(convert, "point #{x},#{y}")
end

.rectangle(convert, x1, y1, x2, y2) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 29

def rectangle(convert, x1, y1, x2, y2)
  draw(convert, "rectangle #{x1},#{y1} #{x2},#{y2}")
end

.rectangles(convert, rectangles) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 33

def rectangles(convert, rectangles)
  return if rectangles.empty?

  draw(convert, rectangles.map { |rect| "rectangle #{rect[:x1]},#{rect[:y1]} #{rect[:x2]},#{rect[:y2]}" }.join(" "))
end

.region(convert, x:, y:, width:, height:) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 61

def region(convert, x:, y:, width:, height:)
  convert.region "#{width}x#{height}+#{x}+#{y}"
end

.round_rectangle(convert, x1, y1, x2, y2, radius) ⇒ Object 



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# File 'lib/shellfie/image_magick_command_builder.rb', line 39

def round_rectangle(convert, x1, y1, x2, y2, radius)
  draw(convert, "roundrectangle #{x1},#{y1} #{x2},#{y2} #{radius},#{radius}")
end