1 line
17 KiB
JSON
1 line
17 KiB
JSON
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{"ast":null,"code":"import \"core-js/modules/es.regexp.exec.js\";\nimport \"core-js/modules/es.string.split.js\";\nimport 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\n if (!cacheOfFont) {\n cacheOfFont = textWidthCache[font] = new LRU(500);\n }\n\n var width = cacheOfFont.get(text);\n\n if (width == null) {\n width = platformApi.measureText(text, font).width;\n cacheOfFont.put(text, width);\n }\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\n if (len === 1) {\n return innerGetBoundingRect(textLines[0], font, textAlign, textBaseline);\n } else {\n var uniondRect = new BoundingRect(0, 0, 0, 0);\n\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\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\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\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 === 'string') {\n if (value.lastIndexOf('%') >= 0) {\n return parseFloat(value) / 100 * maxValue;\n }\n\n return parseFloat(value);\n }\n\n return value;\n}\nexport function calculateTextPosition(out, opts, rect) {\n var textPosition = opts.position || 'inside';\n var distance = opts.distance != null ? opts.distance : 5;\n var height = rect.height;\n var width = rect.width;\n var halfHeight = height / 2;\n var x = rect.x;\n var y = rect.y;\n var textAlign = 'left';\n var textVerticalAlign = 'top';\n\n if (textPosition instanceof Array) {\n x += parsePercent(textPosition[0], rect.width);\n y += parsePercent(textPosition[1], rect.height);\n textAlign = null;\n textVerticalAlign = null;\n } else {\n switch (textPosition) {\n case 'left':\n x -= distance;\n y += halfHeight;\n textAlign = 'right';\n textVerticalAlign = 'middle';\n break;\n\n case 'right':\n x += distance + width;\n y += halfHeight;\n textVerticalAlign = 'middle';\n break;\n\n case 'top':\n x += width / 2;\n y -= distance;\n textAlign = 'center';\n textVerticalAlign = 'bottom';\n break;\n\n case 'bottom':\n x += width / 2;\n y += height + distance;\n textAlign = 'center';\n break;\n\n case 'inside':\n x += width / 2;\n y += halfHeight;\n textAlign = 'center';\n textVerticalAlign = 'middle';\n break;\n\n case 'insideLeft':\n x += distance;\n y += halfHeight;\n textVerticalAlign = 'middle';\n break;\n\n case 'insideRight':\n x += width - distance;\n y += halfHeight;\n textAlign = 'right';\n textVerticalAlign = 'middle';\n break;\n\n case 'insideTop':\n x += width / 2;\n y += distance;\n textAlign = '
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