class Gradient
“color-stop(.9,#999999)” puts Gradient.parse_gradient
(“-webkit-gradient(linear, 0% 96%, 0% 100%, from(#38AFFF), to(FFFFFF))”)
Public Class Methods
generate_gradient_color_method(colors)
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# File lib/css2cocoa/gradient.rb, line 44 def self.generate_gradient_color_method(colors) allocation = "gradient.colors = [NSArray arrayWithObjects:" nil_object = "nil];" string_colors = "" colors.each do |color| string_colors << Gradient.ui_color_from_rgb(color) end allocation + string_colors + nil_object end
generate_gradient_location_method(locations)
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# File lib/css2cocoa/gradient.rb, line 53 def self.generate_gradient_location_method(locations) allocation = "gradient.locations = [NSArray arrayWithObjects:" nil_object = "nil];" string_locations = "" locations.each do |location| string_locations << Gradient.generate_ns_number(location) end allocation + string_locations + nil_object end
generate_ns_number(number)
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# File lib/css2cocoa/gradient.rb, line 67 def self.generate_ns_number(number) "[NSNumber numberWithFloat:#{number.to_f}]," end
generate_rgb_helper()
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# File lib/css2cocoa/gradient.rb, line 40 def self.generate_rgb_helper "#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]" end
parse_gradient(css_gradient, helper=true)
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# File lib/css2cocoa/gradient.rb, line 4 def self.parse_gradient(css_gradient, helper=true) css_gradient_array = css_gradient.split(", ") start_location = css_gradient.split(",")[1].split("%").last.to_f/100.0 end_location = css_gradient.split(",")[2].split("%").last.to_f/100.0 start_color, stop_color = css_gradient.split(",")[3..-1] colors_and_locations = {} begin color_stops = css_gradient_array[5].split(",c") color_stops.each do |color_stop| stop, color = color_stop.scan(/(\.\d+|\w+)/).flatten[2..3] #[[".9", nil], [nil, "999999"]] colors_and_locations[stop.to_f] = color end puts "Generating multiple colour gradient!" rescue NoMethodError => e puts "Generating two colour gradient!" end colors_and_locations[start_location.to_f] = start_color.scan(/(\.\d+|\w+)/).flatten.last colors_and_locations[end_location.to_f] = stop_color.scan(/(\.\d+|\w+)/).flatten.last colors = [] locations = [] colors_and_locations.sort.each do |location, color| colors << color locations << location end """ #{Gradient.generate_rgb_helper if helper} #{Gradient.generate_gradient_location_method(locations)} #{Gradient.generate_gradient_color_method(colors)} """ end
ui_color_from_rgb(hex_value)
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# File lib/css2cocoa/gradient.rb, line 63 def self.ui_color_from_rgb(hex_value) "(id)UIColorFromRGB(0x#{hex_value}).CGColor," end