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- {"ast":null,"code":"import BoundingRect from '../core/BoundingRect.js';\nimport LRU from '../core/LRU.js';\nimport { DEFAULT_FONT, platformApi } from '../core/platform.js';\nvar textWidthCache = {};\nexport function getWidth(text, font) {\n font = font || DEFAULT_FONT;\n var cacheOfFont = textWidthCache[font];\n if (!cacheOfFont) {\n cacheOfFont = textWidthCache[font] = new LRU(500);\n }\n var width = cacheOfFont.get(text);\n if (width == null) {\n width = platformApi.measureText(text, font).width;\n cacheOfFont.put(text, width);\n }\n return width;\n}\nexport function innerGetBoundingRect(text, font, textAlign, textBaseline) {\n var width = getWidth(text, font);\n var height = getLineHeight(font);\n var x = adjustTextX(0, width, textAlign);\n var y = adjustTextY(0, height, textBaseline);\n var rect = new BoundingRect(x, y, width, height);\n return rect;\n}\nexport function getBoundingRect(text, font, textAlign, textBaseline) {\n var textLines = ((text || '') + '').split('\\n');\n var len = textLines.length;\n if (len === 1) {\n return innerGetBoundingRect(textLines[0], font, textAlign, textBaseline);\n } else {\n var uniondRect = new BoundingRect(0, 0, 0, 0);\n for (var i = 0; i < textLines.length; i++) {\n var rect = innerGetBoundingRect(textLines[i], font, textAlign, textBaseline);\n i === 0 ? uniondRect.copy(rect) : uniondRect.union(rect);\n }\n return uniondRect;\n }\n}\nexport function adjustTextX(x, width, textAlign) {\n if (textAlign === 'right') {\n x -= width;\n } else if (textAlign === 'center') {\n x -= width / 2;\n }\n return x;\n}\nexport function adjustTextY(y, height, verticalAlign) {\n if (verticalAlign === 'middle') {\n y -= height / 2;\n } else if (verticalAlign === 'bottom') {\n y -= height;\n }\n return y;\n}\nexport function getLineHeight(font) {\n return getWidth('国', font);\n}\nexport function measureText(text, font) {\n return platformApi.measureText(text, font);\n}\nexport function parsePercent(value, maxValue) {\n if (typeof value === 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break;\n case 'bottom':\n x += width / 2;\n y += height + distance;\n textAlign = 'center';\n break;\n case 'inside':\n x += width / 2;\n y += halfHeight;\n textAlign = 'center';\n textVerticalAlign = 'middle';\n break;\n case 'insideLeft':\n x += distance;\n y += halfHeight;\n textVerticalAlign = 'middle';\n break;\n case 'insideRight':\n x += width - distance;\n y += halfHeight;\n textAlign = 'right';\n textVerticalAlign = 'middle';\n break;\n case 'insideTop':\n x += width / 2;\n y += distance;\n textAlign = 'center';\n break;\n case 'insideBottom':\n x += width / 2;\n y += height - distance;\n textAlign = 'center';\n textVerticalAlign = 'bottom';\n break;\n case 'insideTopLeft':\n x += distance;\n y += distance;\n break;\n case 'insideTopRight':\n x += width - distance;\n y += distance;\n textAlign = 'right';\n break;\n case 'insideBottomLeft':\n x += distance;\n y += height - distance;\n textVerticalAlign = 'bottom';\n break;\n case 'insideBottomRight':\n x += width - distance;\n 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