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Issue 1073803002: SVG doesn't recognize ch units. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master
Patch Set: Rebased Created 5 years, 8 months ago
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1 <!doctype html> 1 <!doctype html>
2 <title>SVGlength tests</title> 2 <title>SVGlength tests</title>
3 <script src=../../resources/testharness.js></script> 3 <script src=../../resources/testharness.js></script>
4 <script src=../../resources/testharnessreport.js></script> 4 <script src=../../resources/testharnessreport.js></script>
5 <div id="testcontainer"> 5 <div id="testcontainer">
6 <svg width="1" height="1" visibility="hidden"> 6 <svg width="1" height="1" visibility="hidden">
7 </svg> 7 </svg>
8 </div> 8 </div>
9 <div id=log></div> 9 <div id=log></div>
10 <script> 10 <script>
11 var svg = document.querySelector("svg"); 11 var svg = document.querySelector("svg");
12 var EPSILON = Math.pow(2, -8); 12 var EPSILON = Math.pow(2, -8);
13 var lengths = [ 10, 0, 360, 500, 90, 180, 45, 25.9]; 13 var lengths = [ 10, 0, 360, 500, 90, 180, 45, 25.9];
14 14
15 var units = { 15 var units = {
16 "" : 1, 16 "" : 1,
17 "%": 2, 17 "%": 2,
18 "em": 3, 18 "em": 3,
19 "ex": 4, 19 "ex": 4,
20 "px": 5, 20 "px": 5,
21 "cm": 6, 21 "cm": 6,
22 "mm": 7, 22 "mm": 7,
23 "in": 8, 23 "in": 8,
24 "pt": 9, 24 "pt": 9,
25 "pc": 10, 25 "pc": 10,
26 "rem": 11 26 "rem": 11,
27 "ch":12
27 }; 28 };
28 var highestExposedUnit = 10; // SVG_LENGTHTYPE_PC 29 var highestExposedUnit = 10; // SVG_LENGTHTYPE_PC
29 var unitconstants = { 30 var unitconstants = {
30 "UNKNOWN" : 0, 31 "UNKNOWN" : 0,
31 "NUMBER": 1, 32 "NUMBER": 1,
32 "PERCENTAGE": 2, 33 "PERCENTAGE": 2,
33 "EMS": 3, 34 "EMS": 3,
34 "EXS": 4, 35 "EXS": 4,
35 "PX": 5, 36 "PX": 5,
36 "CM": 6, 37 "CM": 6,
37 "MM": 7, 38 "MM": 7,
38 "IN": 8, 39 "IN": 8,
39 "PT": 9, 40 "PT": 9,
40 "PC": 10, 41 "PC": 10,
41 }; 42 };
42 var nonexposedunitconstants = { 43 var nonexposedunitconstants = {
43 "REMS": 11 44 "REMS": 11,
45 "CHS":12
44 }; 46 };
45 47
46 function convertTo(value, unit, outunit) { 48 function convertTo(value, unit, outunit) {
47 var userUnits; 49 var userUnits;
48 var cssPixelsPerInch = 96; 50 var cssPixelsPerInch = 96;
49 var cssPixelsPerCentimeter = cssPixelsPerInch / 2.54; //2.54 cm/in 51 var cssPixelsPerCentimeter = cssPixelsPerInch / 2.54; //2.54 cm/in
50 var cssPixelsPerMillimeter = cssPixelsPerCentimeter / 10; 52 var cssPixelsPerMillimeter = cssPixelsPerCentimeter / 10;
51 var cssPixelsPerPoint = cssPixelsPerInch / 72; 53 var cssPixelsPerPoint = cssPixelsPerInch / 72;
52 var cssPixelsPerPica = cssPixelsPerInch / 6; 54 var cssPixelsPerPica = cssPixelsPerInch / 6;
53 55
54 switch(unit) { 56 switch(unit) {
55 case "": 57 case "":
56 case "px": 58 case "px":
57 userUnits = value; 59 userUnits = value;
58 break; 60 break;
59 case "%": 61 case "%":
60 case "em": 62 case "em":
61 case "ex": 63 case "ex":
62 case "rem": 64 case "rem":
65 case "ch":
63 return value; 66 return value;
64 case "cm": 67 case "cm":
65 userUnits = value * cssPixelsPerCentimeter; 68 userUnits = value * cssPixelsPerCentimeter;
66 break; 69 break;
67 case "mm": 70 case "mm":
68 userUnits = value * cssPixelsPerMillimeter; 71 userUnits = value * cssPixelsPerMillimeter;
69 break; 72 break;
70 case "in": 73 case "in":
71 userUnits = value * cssPixelsPerInch; 74 userUnits = value * cssPixelsPerInch;
72 break; 75 break;
73 case "pt": 76 case "pt":
74 userUnits = value * cssPixelsPerPoint; 77 userUnits = value * cssPixelsPerPoint;
75 break; 78 break;
76 case "pc": 79 case "pc":
77 userUnits = value * cssPixelsPerPica; 80 userUnits = value * cssPixelsPerPica;
78 break; 81 break;
79 } 82 }
80 83
81 switch(outunit) { 84 switch(outunit) {
82 case "": 85 case "":
83 case "px": 86 case "px":
84 return userUnits; 87 return userUnits;
85 case "%": 88 case "%":
86 case "em": 89 case "em":
87 case "ex": 90 case "ex":
88 case "rem": 91 case "rem":
92 case "ch":
89 return value; 93 return value;
90 case "cm": 94 case "cm":
91 return userUnits / cssPixelsPerCentimeter; 95 return userUnits / cssPixelsPerCentimeter;
92 case "mm": 96 case "mm":
93 return userUnits / cssPixelsPerMillimeter; 97 return userUnits / cssPixelsPerMillimeter;
94 case "in": 98 case "in":
95 return userUnits / cssPixelsPerInch; 99 return userUnits / cssPixelsPerInch;
96 case "pt": 100 case "pt":
97 return userUnits / cssPixelsPerPoint; 101 return userUnits / cssPixelsPerPoint;
98 case "pc": 102 case "pc":
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180 else 184 else
181 assert_equals(result, ref.valueAsString); 185 assert_equals(result, ref.valueAsString);
182 }, "newValueSpecifiedUnits(" + units[unit] + ", " + length + ")" ); 186 }, "newValueSpecifiedUnits(" + units[unit] + ", " + length + ")" );
183 }; 187 };
184 188
185 } 189 }
186 }); 190 });
187 191
188 192
189 </script> 193 </script>
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