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tests: Add avm2/edittext_get_char_index_at_point test
This test verifies the behavior of getCharIndexAtPoint().
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‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/Test.as‎

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package {
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import flash.display.Sprite;
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import flash.display.Bitmap;
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import flash.display.BitmapData;
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import flash.text.TextField;
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import flash.text.TextFormat;
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import flash.geom.Rectangle;
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import flash.utils.ByteArray;
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[SWF(width="400", height="400")]
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public class Test extends Sprite {
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[Embed(source="TestFont.ttf", fontName="TestFont", embedAsCFF="false", unicodeRange="U+0061-U+0064")]
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private var TestFont:Class;
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private var colors: Array = [
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0xFFFF0000,
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0xFF00FF00,
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0xFF0000FF,
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0xFFFFFF00,
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0xFF00FFFF,
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0xFFFF00FF,
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0xFFFFFFFF,
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];
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private var text1: TextField;
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public function Test() {
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var t1: TextField = newTextField();
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t1.htmlText = "a\n<font size='30'>aa</font>\n<textformat leading='-10'>aaa</textformat>\naa";
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renderMap(t1);
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var t2: TextField = newTextField(t1);
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t2.height = 50;
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t2.htmlText = "";
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renderMap(t2);
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var t3: TextField = newTextField(t2);
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t3.height = 50;
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t3.type = "input";
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t3.htmlText = "";
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renderMap(t3);
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var t4: TextField = newTextField(t3);
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t4.type = "input";
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t4.htmlText = "a<font size='25'>a<font size='20'>a<font size='10'>a<font size='20'>a<font size='15'>a</font></font></font></font></font>";
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renderMap(t4);
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var t5: TextField = newTextField(null, t4);
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t5.height = 50;
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t5.htmlText = "\n";
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renderMap(t5);
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var t6: TextField = newTextField(t5, t4);
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t6.height = 50;
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t6.type = "input";
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t6.htmlText = "\n";
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renderMap(t6);
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var t7: TextField = newTextField(t6, t4);
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t7.height = 50;
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t7.htmlText = "a\n<textformat leading='-70'>aaa</textformat>\na";
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renderMap(t7);
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var t8: TextField = newTextField(t7, t4);
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t8.htmlText = "\n\na\na";
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renderMap(t8);
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var t9: TextField = newTextField(null, t8);
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t9.height = 60;
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t9.htmlText = "\n\n\n\n\n\n\n\n";
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t9.scrollV = 3;
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renderMap(t9);
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var t10: TextField = newTextField(t9, t8);
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t10.htmlText = "<textformat leading='0'>a</textformat>\n<textformat leading='5'>a</textformat>\n<textformat leading='15'>a</textformat>\na\n";
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renderMap(t10);
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var t11: TextField = newTextField(t10, t8);
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t11.height = 30;
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t11.htmlText = "aaaaaaaaaaaaaaaaaaaaaaaaaa";
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t11.scrollH = 50;
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trace("scrollh = " + t11.scrollH);
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trace("maxscrollh = " + t11.maxScrollH);
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renderMap(t11);
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var t12: TextField = newTextField(t11, t8);
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t12.htmlText = "aaaaaaaaaaaaaaaaaaaaaaaaaa\n\naaaaaaaaaaaaaaaaaaaaaaaaaa";
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t12.scrollH = 50;
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trace("scrollh = " + t12.scrollH);
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trace("maxscrollh = " + t12.maxScrollH);
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renderMap(t12);
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var t13: TextField = newTextField(t8, t4);
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t13.height = 50;
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t13.htmlText = "<p align='justify'>a a a aaaa</p>";
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t13.wordWrap = true;
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renderMap(t13);
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}
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private function newTextField(lastY: TextField = null, lastX: TextField = null):TextField {
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var tf = new TextFormat();
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tf.font = "TestFont";
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tf.size = 20;
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tf.leading = 2;
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var field: TextField = new TextField();
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field.x = 10;
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field.y = 10;
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if (lastX != null) {
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field.x = lastX.x + lastX.width + 12;
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}
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if (lastY != null) {
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field.y = lastY.y + lastY.height + 12;
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}
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field.embedFonts = true;
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field.border = true;
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field.defaultTextFormat = tf;
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field.width = 100;
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field.height = 100;
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return field;
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}
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private function renderMap(field: TextField, resolution: Number = 2.0):void {
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addChild(field);
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var w = resolution * (field.width + 10);
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var h = resolution * (field.height + 10);
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var data:BitmapData = new BitmapData(w, h);
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var pixels: ByteArray = new ByteArray();
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for (var y = 0; y < h; ++y) {
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for (var x = 0; x < w; ++x) {
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var ix = field.getCharIndexAtPoint(x / resolution - 5, y / resolution - 5);
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var color;
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if (ix == -1) {
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color = 0xFF000000;
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} else {
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color = colors[ix % colors.length];
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}
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pixels.writeUnsignedInt(color);
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}
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}
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pixels.position = 0;
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data.setPixels(new Rectangle(0, 0, w, h), pixels);
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var bitmap:Bitmap = new Bitmap(data);
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bitmap.scaleX = 1 / resolution;
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bitmap.scaleY = 1 / resolution;
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bitmap.x = field.x - 5;
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bitmap.y = field.y - 5;
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addChild(bitmap);
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}
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}
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}

‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/TestFont.ttf‎

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‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/output.expected.png‎

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‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/output.txt‎

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scrollh = 50
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maxscrollh = 320
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scrollh = 50
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maxscrollh = 320

‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/test.swf‎

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‎tests/tests/swfs/avm2/edittext_get_char_index_at_point/test.toml‎

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num_ticks = 1
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[image_comparisons.output]
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tolerance = 0
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[player_options]
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with_renderer = { optional = false, sample_count = 4 }
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viewport_dimensions = { width = 800, height = 800, scale_factor = 1.0 }

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