Fix eight digit hex to RGB

CHANGELOG.org

@@ -1,5 +1,9 @@
 * Kodachroma changelog
 
+** 1.0.1
+
+Fix eight digit hexidecimal conversion to RGB. Fixes [[https://github.com/jfairbank/chroma/pull/30][chroma#30]].
+
 ** 1.0.0
 
 Initial release of Kodachroma which is effectively a copy and rename of the

lib/kodachroma/color/serializers.rb

@@ -152,10 +152,10 @@ def to_basic_hex(allow_3 = false)
 
       def to_basic_hex8
         [
-          to_2char_hex(alpha * 255),
           to_2char_hex(@rgb.r),
           to_2char_hex(@rgb.g),
-          to_2char_hex(@rgb.b)
+          to_2char_hex(@rgb.b),
+          to_2char_hex(alpha * 255)
         ].join
       end
 

lib/kodachroma/rgb_generator/from_hex_string_values.rb

@@ -54,7 +54,7 @@ def from_hex6(format, r, g, b)
         # @param g      [String] green value
         # @param b      [String] blue value
         # @param a      [String] alpha value
-        def from_hex8(format, a, r, g, b)
+        def from_hex8(format, r, g, b, a)
           new(format || :hex8, r, g, b, a)
         end
       end

lib/kodachroma/version.rb

@@ -1,4 +1,4 @@
 # frozen_string_literal: true
 module Kodachroma
-  VERSION = '1.0.0'
+  VERSION = '1.0.1'
 end

spec/color/attributes_spec.rb

@@ -32,9 +32,9 @@
   describe '#alpha' do
     it 'returns the correct alpha value' do
       expect(Kodachroma.paint('rgba(255, 0, 0, 0.75)').alpha).to eq 0.75
-      expect(Kodachroma.paint('#80ff0000').alpha).to             be_within(0.01).of(0.5)
+      expect(Kodachroma.paint('#80ff0000').alpha).to             eq 0
       expect(Kodachroma.paint('transparent').alpha).to           eq 0
-      expect(Kodachroma.paint('hsla(0, 100%, 50%, 0').alpha).to  eq 0
+      expect(Kodachroma.paint('hsla(0, 100%, 50%, 0)').alpha).to eq 0
       expect(red.alpha).to eq 1
     end
   end

spec/color/serializers_spec.rb

@@ -37,8 +37,8 @@
 
     describe '#to_hex8' do
       it 'returns the hex8 string' do
-        expect(green.to_hex8).to eq('#ff008000')
-        expect(blue.to_hex8).to  eq('#800000ff')
+        expect(green.to_hex8).to eq('#008000ff')
+        expect(blue.to_hex8).to  eq('#0000ff80')
       end
     end
 

spec/kodachroma/paint_spec.rb

@@ -32,7 +32,7 @@
       end
 
       it 'sets alpha' do
-        expect(described_class.paint(hex).alpha).to be_within(0.1).of(0.5)
+        expect(described_class.paint(hex).alpha).to eq(0)
       end
     end