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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
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+<html xmlns="http://www.w3.org/1999/xhtml">
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=619498
+-->
+<head>
+ <title>Test interpolation between different path segment types</title>
+ <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+ <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=619498">Mozilla Bug 619498</a>
+<svg xmlns="http://www.w3.org/2000/svg" id="svg" visibility="hidden"
+ onload="this.pauseAnimations()"/>
+<script type="application/javascript;version=1.8"><![CDATA[
+SimpleTest.waitForExplicitFinish();
+
+var gSVG = document.getElementById("svg");
+
+// Array of all subtests to run. This is populated by addTest.
+var gTests = [];
+
+// Array of all path segment types.
+var gTypes = "zMmLlCcQqAaHhVvSsTt".split("");
+
+// Property names on the SVGPathSeg objects for the given segment type, in the
+// order that they would appear in a path data string.
+var gArgumentNames = {
+ Z: [],
+ M: ['x', 'y'],
+ L: ['x', 'y'],
+ C: ['x1', 'y1', 'x2', 'y2', 'x', 'y'],
+ Q: ['x1', 'y1', 'x', 'y'],
+ A: ['r1', 'r2', 'angle', 'largeArcFlag', 'sweepFlag', 'x', 'y'],
+ H: ['x'],
+ V: ['y'],
+ S: ['x2', 'y2', 'x', 'y'],
+ T: ['x', 'y']
+};
+
+// All of these prefixes leave the current point at 100,100. Some of them
+// affect the implied control point if followed by a smooth quadratic or
+// cubic segment, but no valid interpolations depend on those control points.
+var gPrefixes = [
+ [1, "M100,100"],
+ [2, "M50,50 M100,100"],
+ [2, "M50,50 m50,50"],
+ [2, "M50,50 L100,100"],
+ [2, "M50,50 l50,50"],
+ [3, "M50,50 H100 V100"],
+ [3, "M50,50 h50 V100"],
+ [3, "M50,50 H100 v50"],
+ [2, "M50,50 A10,10,10,0,0,100,100"],
+ [2, "M50,50 a10,10,10,0,0,50,50"],
+ [4, "M50,50 l50,50 z m50,50"],
+
+ // These leave the quadratic implied control point at 125,125.
+ [2, "M50,50 Q75,75,100,100"],
+ [2, "M50,50 q25,25,50,50"],
+ [2, "M75,75 T100,100"],
+ [2, "M75,75 t25,25"],
+ [3, "M50,50 T62.5,62.5 t37.5,37.5"],
+ [3, "M50,50 T62.5,62.5 T100,100"],
+ [3, "M50,50 t12.5,12.5 t37.5,37.5"],
+ [3, "M50,50 t12.5,12.5 T100,100"],
+ [3, "M50,50 Q50,50,62.5,62.5 t37.5,37.5"],
+ [3, "M50,50 Q50,50,62.5,62.5 T100,100"],
+ [3, "M50,50 q0,0,12.5,12.5 t37.5,37.5"],
+ [3, "M50,50 q0,0,12.5,12.5 T100,100"],
+
+ // These leave the cubic implied control point at 125,125.
+ [2, "M50,50 C10,10,75,75,100,100"],
+ [2, "M50,50 c10,10,25,25,50,50"],
+ [2, "M50,50 S75,75,100,100"],
+ [2, "M50,50 s25,25,50,50"],
+ [3, "M50,50 S10,10,75,75 S75,75,100,100"],
+ [3, "M50,50 S10,10,75,75 s0,0,25,25"],
+ [3, "M50,50 s10,10,25,25 S75,75,100,100"],
+ [3, "M50,50 s10,10,25,25 s0,0,25,25"],
+ [3, "M50,50 C10,10,20,20,75,75 S75,75,100,100"],
+ [3, "M50,50 C10,10,20,20,75,75 s0,0,25,25"],
+ [3, "M50,50 c10,10,20,20,25,25 S75,75,100,100"],
+ [3, "M50,50 c10,10,20,20,25,25 s0,0,25,25"]
+];
+
+// These are all of the suffixes whose result is not dependent on whether the
+// preceding segment types are quadratic or cubic types. Each entry is:
+//
+// "<fromType><toType>": [fromArguments,
+// toArguments,
+// expectedArguments,
+// expectedArgumentsAdditive]
+//
+// As an example:
+//
+// "Mm": [[10, 20], [30, 40], [-30, -20], [-120, -100]]
+//
+// This will testing interpolating between "M10,20" and "m30,40". All of the
+// these tests assume that the current point is left at 100,100. So the above
+// entry represents two kinds of tests, one where additive and one not:
+//
+// <path d="... M10,20">
+// <animate attributeName="d" from="... M10,20" to="... m30,40"/>
+// </path>
+//
+// and
+//
+// <path d="... M10,20">
+// <animate attributeName="d" from="... M10,20" to="... m30,40"
+// additive="sum"/>
+// </path>
+//
+// where the "..." is some prefix that leaves the current point at 100,100.
+// Each of the suffixes here in gSuffixes will be paired with each of the
+// prefixes in gPrefixes, all of which leave the current point at 100,100.
+// (Thus the above two tests for interpolating between "M" and "m" will be
+// performed many times, with different preceding commands.)
+//
+// The expected result of the non-additive test is "m-30,-20". Since the
+// animation is from an absolute moveto to a relative moveto, we first
+// convert the "M10,20" into its relative form, which is "m-90,-80" due to the
+// current point being 100,100. Half way through the animation between
+// "m-90,-80" and "m30,40" is thus "m-30,-20".
+//
+// The expected result of the additive test is "m-120,-100". We take the
+// halfway value of the animation, "m-30,-20" and add it on to the underlying
+// value. Since the underlying value "M10,20" is an absolute moveto, we first
+// convert it to relative, "m-90,-80", and then add the "m-30,-20" to it,
+// giving us the result "m-120,-100".
+var gSuffixes = {
+ // Same path segment type, no conversion required.
+ MM: [[10, 20], [30, 40], [20, 30], [30, 50]],
+ mm: [[10, 20], [30, 40], [20, 30], [30, 50]],
+ LL: [[10, 20], [30, 40], [20, 30], [30, 50]],
+ ll: [[10, 20], [30, 40], [20, 30], [30, 50]],
+ CC: [[10, 20, 30, 40, 50, 60], [70, 80, 90, 100, 110, 120],
+ [40, 50, 60, 70, 80, 90], [50, 70, 90, 110, 130, 150]],
+ cc: [[10, 20, 30, 40, 50, 60], [70, 80, 90, 100, 110, 120],
+ [40, 50, 60, 70, 80, 90], [50, 70, 90, 110, 130, 150]],
+ QQ: [[10, 20, 30, 40], [50, 60, 70, 80], [30, 40, 50, 60], [40, 60, 80, 100]],
+ qq: [[10, 20, 30, 40], [50, 60, 70, 80], [30, 40, 50, 60], [40, 60, 80, 100]],
+ AA: [[10, 20, 30, 0, 0, 40, 50], [60, 70, 80, 0, 0, 90, 100],
+ [35, 45, 55, 0, 0, 65, 75], [45, 65, 85, 0, 0, 105, 125]],
+ aa: [[10, 20, 30, 0, 0, 40, 50], [60, 70, 80, 0, 0, 90, 100],
+ [35, 45, 55, 0, 0, 65, 75], [45, 65, 85, 0, 0, 105, 125]],
+ HH: [[10], [20], [15], [25]],
+ hh: [[10], [20], [15], [25]],
+ VV: [[10], [20], [15], [25]],
+ vv: [[10], [20], [15], [25]],
+ SS: [[10, 20, 30, 40], [50, 60, 70, 80], [30, 40, 50, 60], [40, 60, 80, 100]],
+ ss: [[10, 20, 30, 40], [50, 60, 70, 80], [30, 40, 50, 60], [40, 60, 80, 100]],
+ TT: [[10, 20], [30, 40], [20, 30], [30, 50]],
+ tt: [[10, 20], [30, 40], [20, 30], [30, 50]],
+
+ // Relative <-> absolute conversion.
+ Mm: [[10, 20], [30, 40], [-30, -20], [-120, -100]],
+ mM: [[10, 20], [30, 40], [70, 80], [180, 200]],
+ Ll: [[10, 20], [30, 40], [-30, -20], [-120, -100]],
+ lL: [[10, 20], [30, 40], [70, 80], [180, 200]],
+ Cc: [[10, 20, 30, 40, 50, 60], [70, 80, 90, 100, 110, 120],
+ [-10, 0, 10, 20, 30, 40], [-100, -80, -60, -40, -20, 0]],
+ cC: [[10, 20, 30, 40, 50, 60], [70, 80, 90, 100, 110, 120],
+ [90, 100, 110, 120, 130, 140], [200, 220, 240, 260, 280, 300]],
+ Qq: [[10, 20, 30, 40], [50, 60, 70, 80],
+ [-20, -10, 0, 10], [-110, -90, -70, -50]],
+ qQ: [[10, 20, 30, 40], [50, 60, 70, 80],
+ [80, 90, 100, 110], [190, 210, 230, 250]],
+ Aa: [[10, 20, 30, 0, 0, 40, 50], [60, 70, 80, 0, 0, 90, 100],
+ [35, 45, 55, 0, 0, 15, 25], [45, 65, 85, 0, 0, -45, -25]],
+ aA: [[10, 20, 30, 0, 0, 40, 50], [60, 70, 80, 0, 0, 90, 100],
+ [35, 45, 55, 0, 0, 115, 125], [45, 65, 85, 0, 0, 255, 275]],
+ Hh: [[10], [20], [-35], [-125]],
+ hH: [[10], [20], [65], [175]],
+ Vv: [[10], [20], [-35], [-125]],
+ vV: [[10], [20], [65], [175]],
+ Tt: [[10, 20], [30, 40], [-30,-20], [-120, -100]],
+ tT: [[10, 20], [30, 40], [70, 80], [180, 200]],
+ Ss: [[10, 20, 30, 40], [50, 60, 70, 80],
+ [-20, -10, 0, 10], [-110, -90, -70, -50]],
+ sS: [[10, 20, 30, 40], [50, 60, 70, 80],
+ [80, 90, 100, 110], [190, 210, 230, 250]]
+};
+
+// Returns an array of property names that exist on an SVGPathSeg object
+// corresponding to the given segment type, in the order that they would
+// be present in a path data string.
+function argumentNames(aType)
+{
+ return gArgumentNames[aType.toUpperCase()];
+}
+
+// Creates and returns a new element and sets some attributes on it.
+function newElement(aNamespaceURI, aLocalName, aAttributes)
+{
+ var e = document.createElementNS(aNamespaceURI, aLocalName);
+ if (aAttributes) {
+ for (let [name, value] of Object.entries(aAttributes)) {
+ e.setAttribute(name, value);
+ }
+ }
+ return e;
+}
+
+// Creates and returns a new SVG element and sets some attributes on it.
+function newSVGElement(aLocalName, aAttributes)
+{
+ return newElement("http://www.w3.org/2000/svg", aLocalName, aAttributes);
+}
+
+// Creates a subtest and adds it to the document.
+//
+// * aPrefixLength/aPrefix the prefix to use
+// * aFromType/aFromArguments the segment to interpolate from
+// * aToType/aToArguments the segment to interpolate to
+// * aExpectedType/aExpectedArguments the expected result of the interpolated
+// segment half way through the animation
+// duration
+// * aAdditive whether the subtest is for an additive
+// animation
+function addTest(aPrefixLength, aPrefix, aFromType, aFromArguments,
+ aToType, aToArguments, aExpectedType, aExpectedArguments,
+ aAdditive)
+{
+ var fromPath = aPrefix + aFromType + aFromArguments,
+ toPath = aPrefix + aToType + aToArguments;
+
+ var path = newSVGElement("path", { d: fromPath });
+ var animate =
+ newSVGElement("animate", { attributeName: "d",
+ from: fromPath,
+ to: toPath,
+ dur: "8s",
+ additive: aAdditive ? "sum" : "replace" });
+ path.appendChild(animate);
+ gSVG.appendChild(path);
+
+ gTests.push({ element: path,
+ prefixLength: aPrefixLength,
+ from: fromPath,
+ to: toPath,
+ toType: aToType,
+ expectedType: aExpectedType,
+ expected: aExpectedArguments,
+ usesAddition: aAdditive });
+}
+
+// Generates an array of path segment arguments for the given type. aOffset
+// is a number to add on to all non-Boolean segment arguments.
+function generatePathSegmentArguments(aType, aOffset)
+{
+ var args = new Array(argumentNames(aType).length);
+ for (let i = 0; i < args.length; i++) {
+ args[i] = i * 10 + aOffset;
+ }
+ if (aType == "A" || aType == "a") {
+ args[3] = 0;
+ args[4] = 0;
+ }
+ return args;
+}
+
+// Returns whether interpolating between the two given types is valid.
+function isValidInterpolation(aFromType, aToType)
+{
+ return aFromType.toUpperCase() == aToType.toUpperCase();
+}
+
+// Runs the test.
+function run()
+{
+ for (let additive of [false, true]) {
+ let indexOfExpectedArguments = additive ? 3 : 2;
+
+ // Add subtests for each combination of prefix and suffix, and additive
+ // or not.
+ for (let [typePair, suffixEntry] of Object.entries(gSuffixes)) {
+ let fromType = typePair[0],
+ toType = typePair[1],
+ fromArguments = suffixEntry[0],
+ toArguments = suffixEntry[1],
+ expectedArguments = suffixEntry[indexOfExpectedArguments];
+
+ for (let prefixEntry of gPrefixes) {
+ let [prefixLength, prefix] = prefixEntry;
+ addTest(prefixLength, prefix, fromType, fromArguments,
+ toType, toArguments, toType, expectedArguments, additive);
+ }
+ }
+
+ // Test that differences in arc flag parameters cause the
+ // interpolation/addition not to occur.
+ addTest(1, "M100,100",
+ "A", [10, 20, 30, 0, 0, 40, 50],
+ "a", [60, 70, 80, 0, 1, 90, 100],
+ "a", [60, 70, 80, 0, 1, 90, 100], additive);
+ addTest(1, "M100,100",
+ "A", [10, 20, 30, 0, 0, 40, 50],
+ "a", [60, 70, 80, 1, 0, 90, 100],
+ "a", [60, 70, 80, 1, 0, 90, 100], additive);
+
+ // Test all pairs of segment types that cannot be interpolated between.
+ for (let fromType of gTypes) {
+ let fromArguments = generatePathSegmentArguments(fromType, 0);
+ for (let toType of gTypes) {
+ if (!isValidInterpolation(fromType, toType)) {
+ let toArguments = generatePathSegmentArguments(toType, 1000);
+ addTest(1, "M100,100", fromType, fromArguments,
+ toType, toArguments, toType, toArguments, additive);
+ }
+ }
+ }
+ }
+
+ // Move the document time to half way through the animations.
+ gSVG.setCurrentTime(4);
+
+ // Inspect the results of each subtest.
+ for (let test of gTests) {
+ let list = test.element.animatedPathSegList;
+ is(list.numberOfItems, test.prefixLength + 1,
+ "Length of animatedPathSegList for interpolation " +
+ (test.usesAddition ? "with addition " : "") +
+ " from " + test.from + " to " + test.to);
+
+ let seg = list.getItem(list.numberOfItems - 1);
+ let propertyNames = argumentNames(test.expectedType);
+
+ let actual = [];
+ for (let i = 0; i < test.expected.length; i++) {
+ actual.push(+seg[propertyNames[i]]);
+ }
+
+ is(seg.pathSegTypeAsLetter + actual, test.expectedType + test.expected,
+ "Path segment for interpolation " +
+ (test.usesAddition ? "with addition " : "") +
+ " from " + test.from + " to " + test.to);
+ }
+
+ // Clear all the tests. We have tons of them attached to the DOM and refresh driver tick will
+ // go through them all by calling animation controller.
+ gSVG.remove();
+
+ SimpleTest.finish();
+}
+
+window.addEventListener("load", run, false);
+]]></script>
+</body>
+</html>
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 14:55:55 +0000