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| 1 | +// |
| 2 | +// Author: Yves Lafon <ylafon@w3.org> |
| 3 | +// |
| 4 | +// (c) COPYRIGHT MIT, ERCIM, Keio, Beihang, 2019. |
| 5 | +// Please first read the full copyright statement in file COPYRIGHT.html |
| 6 | +package org.w3c.css.properties.css3; |
| 7 | + |
| 8 | +import org.w3c.css.util.ApplContext; |
| 9 | +import org.w3c.css.util.InvalidParamException; |
| 10 | +import org.w3c.css.values.CssExpression; |
| 11 | +import org.w3c.css.values.CssIdent; |
| 12 | +import org.w3c.css.values.CssTypes; |
| 13 | +import org.w3c.css.values.CssValue; |
| 14 | + |
| 15 | +/** |
| 16 | + * @spec https://www.w3.org/TR/2019/CR-css-images-3-20191010/#propdef-image-rendering |
| 17 | + */ |
| 18 | +public class CssImageRendering extends org.w3c.css.properties.css.CssImageRendering { |
| 19 | + |
| 20 | + public static final CssIdent[] allowed_values, deprecated_values; |
| 21 | + |
| 22 | + static { |
| 23 | + String[] _deprecated_values = {"optimizeSpeed", "optimizeQuality"}; |
| 24 | + String[] _allowed_values = {"auto", "smooth", "high-quality", "crisp-edges", "pixelated"}; |
| 25 | + |
| 26 | + allowed_values = new CssIdent[_allowed_values.length]; |
| 27 | + int i = 0; |
| 28 | + for (String s : _allowed_values) { |
| 29 | + allowed_values[i++] = CssIdent.getIdent(s); |
| 30 | + } |
| 31 | + |
| 32 | + deprecated_values = new CssIdent[_deprecated_values.length]; |
| 33 | + i = 0; |
| 34 | + for (String s : _deprecated_values) { |
| 35 | + deprecated_values[i++] = CssIdent.getIdent(s); |
| 36 | + } |
| 37 | + |
| 38 | + } |
| 39 | + |
| 40 | + public static final CssIdent getAllowedValue(CssIdent ident) { |
| 41 | + for (CssIdent id : allowed_values) { |
| 42 | + if (id.equals(ident)) { |
| 43 | + return id; |
| 44 | + } |
| 45 | + } |
| 46 | + return null; |
| 47 | + } |
| 48 | + |
| 49 | + public static final CssIdent getDeprecatedValue(CssIdent ident) { |
| 50 | + for (CssIdent id : deprecated_values) { |
| 51 | + if (id.equals(ident)) { |
| 52 | + return id; |
| 53 | + } |
| 54 | + } |
| 55 | + return null; |
| 56 | + } |
| 57 | + |
| 58 | + /** |
| 59 | + * Create a new CssImageRendering |
| 60 | + */ |
| 61 | + public CssImageRendering() { |
| 62 | + value = initial; |
| 63 | + } |
| 64 | + |
| 65 | + /** |
| 66 | + * Creates a new CssImageRendering |
| 67 | + * |
| 68 | + * @param expression The expression for this property |
| 69 | + * @throws org.w3c.css.util.InvalidParamException |
| 70 | + * Expressions are incorrect |
| 71 | + */ |
| 72 | + public CssImageRendering(ApplContext ac, CssExpression expression, boolean check) |
| 73 | + throws InvalidParamException { |
| 74 | + if (check && expression.getCount() > 1) { |
| 75 | + throw new InvalidParamException("unrecognize", ac); |
| 76 | + } |
| 77 | + setByUser(); |
| 78 | + |
| 79 | + CssValue val; |
| 80 | + char op; |
| 81 | + |
| 82 | + val = expression.getValue(); |
| 83 | + op = expression.getOperator(); |
| 84 | + |
| 85 | + if (val.getType() == CssTypes.CSS_IDENT) { |
| 86 | + CssIdent ident = (CssIdent) val; |
| 87 | + if (inherit.equals(ident)) { |
| 88 | + value = inherit; |
| 89 | + } else { |
| 90 | + value = getAllowedValue(ident); |
| 91 | + if (value == null) { |
| 92 | + value = getDeprecatedValue(ident); |
| 93 | + if (value == null) { |
| 94 | + throw new InvalidParamException("value", |
| 95 | + val.toString(), |
| 96 | + getPropertyName(), ac); |
| 97 | + } |
| 98 | + ac.getFrame().addWarning("deprecated", value.toString()); |
| 99 | + } |
| 100 | + } |
| 101 | + } else { |
| 102 | + throw new InvalidParamException("value", |
| 103 | + val.toString(), |
| 104 | + getPropertyName(), ac); |
| 105 | + } |
| 106 | + expression.next(); |
| 107 | + } |
| 108 | + |
| 109 | + public CssImageRendering(ApplContext ac, CssExpression expression) |
| 110 | + throws InvalidParamException { |
| 111 | + this(ac, expression, false); |
| 112 | + } |
| 113 | + |
| 114 | +} |
| 115 | + |
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