Return color quad as decimal array

fixes #109

Author: bsweeney

src/Svg/Style.php

@@ -169,7 +169,7 @@ protected function fillStyles($styles)
                                 $value = $this->color;
                             }
                         }
-                        if (is_array($value) && $value[3] !== 1 && array_key_exists("{$from}-opacity", $style_map) === true) {
+                        if (is_array($value) && $value[3] !== 1.0 && array_key_exists("{$from}-opacity", $style_map) === true) {
                             $styles["{$from}-opacity"] = $value[3];
                         }
                         break;
@@ -220,7 +220,7 @@ static function parseColor($color)
         }
 
         if ($color === "transparent") {
-            return [0,0,0,0];
+            return [0.0, 0.0, 0.0, 0.0];
         }
 
         // SVG color name
@@ -238,7 +238,7 @@ static function parseColor($color)
             return self::getQuad($color);
         }
 
-        // RGB color
+        // HSL color
         if (strpos($color, "hsl") !== false) {
             $quad = self::getQuad($color, true);
 
@@ -333,7 +333,7 @@ static function getQuad($color, $percent = false) {
 
         $quad = preg_split("/\\s*[,\\/]\\s*/", trim(substr($color, $i + 1, $j - $i - 1)));
         if (!isset($quad[3])) {
-            $quad[3] = 1;
+            $quad[3] = "1";
         }
 
         if (count($quad) != 3 && count($quad) != 4) {
@@ -347,11 +347,13 @@ static function getQuad($color, $percent = false) {
                 if ($quad[$c][strlen($quad[$c]) - 1] === "%") {
                     $quad[$c] = floatval($quad[$c]) / 100;
                 } else {
-                    $quad[$c] = $quad[$c] / 255;
+                    $quad[$c] = floatval($quad[$c]) / 255;
                 }
             } else {
                 if ($quad[$c][strlen($quad[$c]) - 1] === "%") {
-                    $quad[$c] = round(floatval($quad[$c]) * 2.55);
+                    $quad[$c] = floatval($quad[$c]) * 2.55;
+                } else {
+                    $quad[$c] = floatval($quad[$c]);
                 }
             }
         }
@@ -361,7 +363,7 @@ static function getQuad($color, $percent = false) {
 
     static function parseHexColor($hex)
     {
-        $c = array(0, 0, 0, 1);
+        $c = array(0.0, 0.0, 0.0, 1.0);
 
         // #FFFFFF
         if (isset($hex[6])) {

tests/Svg/StyleTest.php

@@ -18,26 +18,26 @@ public function test_parseColor()
     {
         $this->assertEquals("none", Style::parseColor("none"));
         $this->assertEquals("currentcolor", Style::parseColor("currentcolor"));
-        $this->assertEquals(array(0, 0, 0, 0), Style::parseColor("transparent"));
-        $this->assertEquals(array(255, 0, 0, 1), Style::parseColor("RED"));
-        $this->assertEquals(array(0, 0, 255, 1), Style::parseColor("blue"));
-        $this->assertEquals(array(0, 0, 0, 1), Style::parseColor("black"));
-        $this->assertEquals(array(255, 255, 255, 1), Style::parseColor("white"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, 0.0), Style::parseColor("transparent"));
+        $this->assertEquals(array(255.0, 0.0, 0.0, 1.0), Style::parseColor("RED"));
+        $this->assertEquals(array(0.0, 0.0, 255.0, 1.0), Style::parseColor("blue"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, 1.0), Style::parseColor("black"));
+        $this->assertEquals(array(255.0, 255.0, 255.0, 1.0), Style::parseColor("white"));
 
         $this->assertEquals(null, Style::parseColor("foo"));
 
-        $this->assertEquals(array(0, 0, 0, 1), Style::parseColor("#000000"));
-        $this->assertEquals(array(255, 255, 255, 1), Style::parseColor("#ffffff"));
-        $this->assertEquals(array(0, 0, 0, .5), Style::parseColor("#00000080"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, 1.0), Style::parseColor("#000000"));
+        $this->assertEquals(array(255.0, 255.0, 255.0, 1.0), Style::parseColor("#ffffff"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, .5), Style::parseColor("#00000080"));
 
-        $this->assertEquals(array(0, 0, 0, 1), Style::parseColor("rgb(0,0,0)"));
-        $this->assertEquals(array(255, 255, 255, 1), Style::parseColor("rgb(255,255,255)"));
-        $this->assertEquals(array(0, 0, 0, 1), Style::parseColor("rgb(0, 0, 0)"));
-        $this->assertEquals(array(255, 255, 255, 1), Style::parseColor("rgb(255, 255, 255)"));
-        $this->assertEquals(array(255, 255, 255, .5), Style::parseColor("rgb(255, 255, 255, .5)"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, 1.0), Style::parseColor("rgb(0,0,0)"));
+        $this->assertEquals(array(255.0, 255.0, 255.0, 1.0), Style::parseColor("rgb(255,255,255)"));
+        $this->assertEquals(array(0.0, 0.0, 0.0, 1.0), Style::parseColor("rgb(0, 0, 0)"));
+        $this->assertEquals(array(255.0, 255.0, 255.0, 1.0), Style::parseColor("rgb(255, 255, 255)"));
+        $this->assertEquals(array(255.0, 255.0, 255.0, .5), Style::parseColor("rgb(255, 255, 255, .5)"));
 
-        $this->assertEquals(array(255, 0, 0, 1), Style::parseColor("hsl(0, 100%, 50%)"));
-        $this->assertEquals(array(255, 0, 0, .5), Style::parseColor("hsl(0, 100%, 50%, .5)"));
+        $this->assertEquals(array(255.0, 0.0, 0.0, 1.0), Style::parseColor("hsl(0, 100%, 50%)"));
+        $this->assertEquals(array(255.0, 0.0, 0.0, .5), Style::parseColor("hsl(0, 100%, 50%, .5)"));
     }
 
     public function test_fromAttributes()
@@ -52,8 +52,8 @@ public function test_fromAttributes()
 
         $style->fromAttributes($attributes);
 
-        $this->assertEquals(array(0, 0, 255, 1), $style->color);
-        $this->assertEquals(array(255, 255, 255, 1), $style->fill);
+        $this->assertEquals(array(0.0, 0.0, 255.0, 1.0), $style->color);
+        $this->assertEquals(array(255.0, 255.0, 255.0, 1.0), $style->fill);
         $this->assertEquals("none", $style->stroke);
     }