LayoutTests/svg/text/svgtextcontentelement-glyphqueries-rtl.html - Issue 1041693002: Adjust glyph positions in RTL runs in SVGTextQuery

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Issue 1041693002: Adjust glyph positions in RTL runs in SVGTextQuery (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: More TEs. Created 5 years, 9 months ago

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	1 <!DOCTYPE html>

	2 <meta charset="UTF-8">

	3 <title>SVGTextContentElement query interface RTL</title>

	4 <script src="../../resources/testharness.js"></script>

	5 <script src="../../resources/testharnessreport.js"></script>

	6 <svg width="50px" height="60px" font-family="Arial" font-size="30px">

	7 <text x="0" y="50">הפוך</text>

	8 </svg>

	9 <script>

	10 setup(function() {

	11 window.textElement = document.querySelector("text");

	12 window.totalExtent = textElement.getComputedTextLength();

	13 });

	14

	15 test(function() {

	16 assert_equals(textElement.textContent.length, 4);

	17 var positions = [];

	18 for (var i = 0; i < 4; ++i)

	19 positions.push(textElement.getStartPositionOfChar(i).x);

	20

	21 assert_approx_equals(positions[0], totalExtent, 0.5);

	22 assert_less_than(positions[1], positions[0]);

	23 assert_less_than(positions[2], positions[1]);

	24 assert_less_than(positions[3], positions[2]);

	25 assert_greater_than(positions[3], 0);

	26 }, document.title+', getStartPositionOfChar().');

	27

	28 test(function() {

	29 assert_equals(textElement.textContent.length, 4);

	30 var positions = [];

	31 for (var i = 0; i < 4; ++i)

	32 positions.push(textElement.getEndPositionOfChar(i).x);

	33

	34 assert_less_than(positions[0], totalExtent);

	35 assert_less_than(positions[1], positions[0]);

	36 assert_less_than(positions[2], positions[1]);

	37 assert_less_than(positions[3], positions[2]);

	38 assert_approx_equals(positions[3], 0, 0.5);

	39 }, document.title+', getEndPositionOfChar().');

	40

	41 test(function() {

	42 assert_equals(textElement.textContent.length, 4);

	43 var bounds = [];

	44 for (var i = 0; i < 4; ++i)

	45 bounds.push(textElement.getExtentOfChar(i));

	46

	47 function right(r) {

	48 return r.x + r.width;

	49 }

	50

	51 // Verify right sides descending.

	52 assert_approx_equals(right(bounds[0]), totalExtent, 0.5);

	53 assert_less_than(right(bounds[1]), right(bounds[0]));

	54 assert_less_than(right(bounds[2]), right(bounds[1]));

	55 assert_less_than(right(bounds[3]), right(bounds[2]));

	56 assert_greater_than(right(bounds[3]), 0);

	57

	58 // Verify left sides descending.

	59 assert_less_than(bounds[0].x, totalExtent);

	60 assert_less_than(bounds[1].x, bounds[0].x);

	61 assert_less_than(bounds[2].x, bounds[1].x);

	62 assert_less_than(bounds[3].x, bounds[2].x);

	63 assert_approx_equals(bounds[3].x, 0, 0.5);

	64

	65 // Verify approx. adjacent.

	66 assert_approx_equals(bounds[0].x, right(bounds[1]), 0.5);

	67 assert_approx_equals(bounds[1].x, right(bounds[2]), 0.5);

	68 assert_approx_equals(bounds[2].x, right(bounds[3]), 0.5);

	69 }, document.title+', getExtentOfChar().');

	70

	71 test(function() {

	72 assert_equals(textElement.textContent.length, 4);

	73

	74 var prevOffset = 3;

	75 var queryPoint = document.querySelector('svg').createSVGPoint();

	76 queryPoint.y = 40;

	77

	78 // Sample left-to-right, expecting a decreasing character number.

	79 for (var queryX = 0.5; queryX < totalExtent - 0.5; queryX += 0.5) {

	80 queryPoint.x = queryX;

	81 var offset = textElement.getCharNumAtPosition(queryPoint);

	82 assert_less_than_equal(offset, prevOffset);

	83 prevOffset = offset;

	84 }

	85 assert_equals(prevOffset, 0);

	86

	87 // Sample right-to-left, expecting an increasing character number.

	88 for (var queryX = totalExtent - 0.5; queryX >= 0.5; queryX -= 0.5) {

	89 queryPoint.x = queryX;

	90 var offset = textElement.getCharNumAtPosition(queryPoint);

	91 assert_greater_than_equal(offset, prevOffset);

	92 prevOffset = offset;

	93 }

	94 assert_equals(prevOffset, 3);

	95 }, document.title+', getCharNumAtPosition().');

	96 </script>

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