123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612 |
- /*
- * ====================================================================
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ====================================================================
- */
- package org.apache.poi.xslf.usermodel;
-
- import org.apache.poi.util.Beta;
- import org.apache.poi.util.Internal;
- import org.apache.xmlbeans.XmlObject;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTHslColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTPresetColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTSRgbColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTScRgbColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTSchemeColor;
- import org.openxmlformats.schemas.drawingml.x2006.main.CTSystemColor;
- import org.w3c.dom.Node;
-
- import java.awt.Color;
- import java.util.HashMap;
- import java.util.Map;
-
- /**
- * Encapsulates logic to read color definitions from DrawingML and convert them to java.awt.Color
- *
- * @author Yegor Kozlov
- */
- @Beta
- @Internal
- public class XSLFColor {
- private XmlObject _xmlObject;
- private Color _color;
- private CTSchemeColor _phClr;
-
- public XSLFColor(XmlObject obj, XSLFTheme theme, CTSchemeColor phClr) {
- _xmlObject = obj;
- _phClr = phClr;
- _color = toColor(obj, theme);
- }
-
- @Internal
- public XmlObject getXmlObject() {
- return _xmlObject;
- }
-
- /**
- *
- * @return the displayed color as a Java Color.
- * If not color information was found in the supplied xml object then a null is returned.
- */
- public Color getColor() {
- return _color == null ? null : applyColorTransform(_color);
- }
-
- private Color applyColorTransform(Color color){
- Color result = color;
-
- int alpha = getAlpha();
- if(alpha != -1){
- result = new Color(
- result.getRed(), result.getGreen(), result.getBlue(),
- Math.round(255 * alpha * 0.01f));
- }
-
- int lumOff = getLumOff();
- int lumMod = getLumMod();
- if(lumMod != -1 || lumOff != -1){
- result = modulateLuminanace(result,
- lumMod == -1 ? 100 : lumMod,
- lumOff == -1 ? 0 : lumOff);
- }
-
- int shade = getShade();
- if(shade != -1){
- result = shade(result, shade);
- }
-
- int tint = getTint();
- if(tint != -1){
- result = tint(result, tint);
- }
-
- return result;
- }
-
- Color toColor(XmlObject obj, XSLFTheme theme) {
- Color color = null;
- for (XmlObject ch : obj.selectPath("*")) {
- if (ch instanceof CTHslColor) {
- CTHslColor hsl = (CTHslColor)ch;
- int h = hsl.getHue2();
- int s = hsl.getSat2();
- int l = hsl.getLum2();
- // This conversion is not correct and differs from PowerPoint.
- // TODO: Revisit and improve.
- color = Color.getHSBColor(h / 60000f, s / 100000f, l / 100000f);
- } else if (ch instanceof CTPresetColor) {
- CTPresetColor prst = (CTPresetColor)ch;
- String colorName = prst.getVal().toString();
- color = presetColors.get(colorName);
- } else if (ch instanceof CTSchemeColor) {
- CTSchemeColor schemeColor = (CTSchemeColor)ch;
- String colorRef = schemeColor.getVal().toString();
- if(_phClr != null) {
- // context color overrides the theme
- colorRef = _phClr.getVal().toString();
- }
- // find referenced CTColor in the theme and convert it to java.awt.Color via a recursive call
- CTColor ctColor = theme.getCTColor(colorRef);
- if(ctColor != null) color = toColor(ctColor, null);
- } else if (ch instanceof CTScRgbColor) {
- // same as CTSRgbColor but with values expressed in percents
- CTScRgbColor scrgb = (CTScRgbColor)ch;
- int r = scrgb.getR();
- int g = scrgb.getG();
- int b = scrgb.getB();
- color = new Color(255 * r / 100000, 255 * g / 100000, 255 * b / 100000);
- } else if (ch instanceof CTSRgbColor) {
- CTSRgbColor srgb = (CTSRgbColor)ch;
- byte[] val = srgb.getVal();
- color = new Color(0xFF & val[0], 0xFF & val[1], 0xFF & val[2]);
- } else if (ch instanceof CTSystemColor) {
- CTSystemColor sys = (CTSystemColor)ch;
- if(sys.isSetLastClr()) {
- byte[] val = sys.getLastClr();
- color = new Color(0xFF & val[0], 0xFF & val[1], 0xFF & val[2]);
- } else {
- // YK: color is a string like "menuText" or "windowText", we return black for such cases
- String colorName = sys.getVal().toString();
- color = Color.black;
- }
- } else {
- throw new IllegalArgumentException("Unexpected color choice: " + ch.getClass());
- }
- }
- return color;
- }
-
- /**
- * Read a perecentage value from the supplied xml bean.
- * Example:
- * <a:tint val="45000"/>
- *
- * the returned value is 45
- *
- * @return the percentage value in the range [0 .. 100]
- */
- private int getPercentageValue(String elem){
- String query = "declare namespace a='http://schemas.openxmlformats.org/drawingml/2006/main' $this//a:" + elem;
-
- XmlObject[] obj;
-
- // first ask the context color and if not found, ask the actual color bean
- if(_phClr != null){
- obj = _phClr.selectPath(query);
- if(obj.length == 1){
- Node attr = obj[0].getDomNode().getAttributes().getNamedItem("val");
- if(attr != null) {
- return Integer.parseInt(attr.getNodeValue()) / 1000;
- }
- }
- }
-
- obj = _xmlObject.selectPath(query);
- if(obj.length == 1){
- Node attr = obj[0].getDomNode().getAttributes().getNamedItem("val");
- if(attr != null) {
- return Integer.parseInt(attr.getNodeValue()) / 1000;
- }
- }
-
-
- return -1;
- }
-
- private int getAngleValue(String elem){
- String color = "declare namespace a='http://schemas.openxmlformats.org/drawingml/2006/main' $this//a:" + elem;
- XmlObject[] obj;
-
- // first ask the context color and if not found, ask the actual color bean
- if(_phClr != null){
- obj = _xmlObject.selectPath( color );
- if(obj.length == 1){
- Node attr = obj[0].getDomNode().getAttributes().getNamedItem("val");
- if(attr != null) {
- return Integer.parseInt(attr.getNodeValue()) / 60000;
- }
- }
- }
-
- obj = _xmlObject.selectPath( color );
- if(obj.length == 1){
- Node attr = obj[0].getDomNode().getAttributes().getNamedItem("val");
- if(attr != null) {
- return Integer.parseInt(attr.getNodeValue()) / 60000;
- }
- }
- return -1;
- }
-
- /**
- * the opacity as expressed by a percentage value
- *
- * @return opacity in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getAlpha(){
- return getPercentageValue("alpha");
- }
-
- /**
- * the opacity as expressed by a percentage relative to the input color
- *
- * @return opacity in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getAlphaMod(){
- return getPercentageValue("alphaMod");
- }
-
- /**
- * the opacity as expressed by a percentage offset increase or decrease relative to
- * the input color. Increases will never increase the opacity beyond 100%, decreases will
- * never decrease the opacity below 0%.
- *
- * @return opacity shift in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getAlphaOff(){
- return getPercentageValue("alphaOff");
- }
-
-
- int getHue(){
- return getAngleValue("hue");
- }
-
- int getHueMod(){
- return getPercentageValue("hueMod");
- }
-
- int getHueOff(){
- return getPercentageValue("hueOff");
- }
-
- /**
- * specifies the input color with the specified luminance,
- * but with its hue and saturation unchanged.
- *
- * @return luminance in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getLum(){
- return getPercentageValue("lum");
- }
-
- /**
- * the luminance as expressed by a percentage relative to the input color
- *
- * @return luminance in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getLumMod(){
- return getPercentageValue("lumMod");
- }
-
- /**
- * the luminance shift as expressed by a percentage relative to the input color
- *
- * @return luminance shift in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getLumOff(){
- return getPercentageValue("lumOff");
- }
-
- /**
- * specifies the input color with the specified saturation,
- * but with its hue and luminance unchanged.
- *
- * @return saturation in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getSat(){
- return getPercentageValue("sat");
- }
-
- /**
- * the saturation as expressed by a percentage relative to the input color
- *
- * @return saturation in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getSatMod(){
- return getPercentageValue("satMod");
- }
-
- /**
- * the saturation shift as expressed by a percentage relative to the input color
- *
- * @return saturation shift in percents in the range [0..100]
- * or -1 if the value is not set
- */
- int getSatOff(){
- return getPercentageValue("satOff");
- }
-
- /**
- * specifies the input color with the specific red component, but with the blue and green color
- * components unchanged
- *
- * @return the value of the red component specified as a
- * percentage with 0% indicating minimal blue and 100% indicating maximum
- * or -1 if the value is not set
- */
- int getRed(){
- return getPercentageValue("red");
- }
-
- int getRedMod(){
- return getPercentageValue("redMod");
- }
-
- int getRedOff(){
- return getPercentageValue("redOff");
- }
-
- /**
- * specifies the input color with the specific green component, but with the red and blue color
- * components unchanged
- *
- * @return the value of the green component specified as a
- * percentage with 0% indicating minimal blue and 100% indicating maximum
- * or -1 if the value is not set
- */
- int getGreen(){
- return getPercentageValue("green");
- }
-
- int getGreenMod(){
- return getPercentageValue("greenMod");
- }
-
- int getGreenOff(){
- return getPercentageValue("greenOff");
- }
-
- /**
- * specifies the input color with the specific blue component, but with the red and green color
- * components unchanged
- *
- * @return the value of the blue component specified as a
- * percentage with 0% indicating minimal blue and 100% indicating maximum
- * or -1 if the value is not set
- */
- int getBlue(){
- return getPercentageValue("blue");
- }
-
- int getBlueMod(){
- return getPercentageValue("blueMod");
- }
-
- int getBlueOff(){
- return getPercentageValue("blueOff");
- }
-
- /**
- * specifies a darker version of its input color.
- * A 10% shade is 10% of the input color combined with 90% black.
- *
- * @return the value of the shade specified as a
- * percentage with 0% indicating minimal shade and 100% indicating maximum
- * or -1 if the value is not set
- */
- int getShade(){
- return getPercentageValue("shade");
- }
-
- /**
- * specifies a lighter version of its input color.
- * A 10% tint is 10% of the input color combined with 90% white.
- *
- * @return the value of the tint specified as a
- * percentage with 0% indicating minimal tint and 100% indicating maximum
- * or -1 if the value is not set
- */
- int getTint(){
- return getPercentageValue("tint");
- }
-
-
- /**
- * Apply lumMod / lumOff adjustments
- *
- * @param c the color to modify
- * @param lumMod luminance modulation in the range [0..100]
- * @param lumOff luminance offset in the range [0..100]
- * @return modified color
- */
- private static Color modulateLuminanace(Color c, int lumMod, int lumOff) {
- Color color;
- if (lumOff > 0) {
- color = new Color(
- (int) (Math.round((255 - c.getRed()) * (100.0 - lumMod) / 100.0 + c.getRed())),
- (int) (Math.round((255 - c.getGreen()) * lumOff / 100.0 + c.getGreen())),
- (int) (Math.round((255 - c.getBlue()) * lumOff / 100.0 + c.getBlue())),
- c.getAlpha()
- );
- } else {
- color = new Color(
- (int) (Math.round(c.getRed() * lumMod / 100.0)),
- (int) (Math.round(c.getGreen() * lumMod / 100.0)),
- (int) (Math.round(c.getBlue() * lumMod / 100.0)),
- c.getAlpha()
- );
- }
- return color;
- }
-
- /**
- * This algorithm returns result different from PowerPoint.
- * TODO: revisit and improve
- */
- private static Color shade(Color c, int shade) {
- return new Color(
- (int)(c.getRed() * shade * 0.01),
- (int)(c.getGreen() * shade * 0.01),
- (int)(c.getBlue() * shade * 0.01),
- c.getAlpha());
- }
-
- /**
- * This algorithm returns result different from PowerPoint.
- * TODO: revisit and improve
- */
- private static Color tint(Color c, int tint) {
- int r = c.getRed();
- int g = c.getGreen();
- int b = c.getBlue();
-
- float ftint = tint / 100.0f;
-
- int red = Math.round(ftint * r + (1 - ftint) * 255);
- int green = Math.round(ftint * g + (1 - ftint) * 255);
- int blue = Math.round(ftint * b + (1 - ftint) * 255);
-
- return new Color(red, green, blue);
- }
-
- /**
- * Preset colors defined in DrawingML
- */
- static final Map<String, Color> presetColors;
-
- static {
- presetColors = new HashMap<String, Color>();
- presetColors.put("aliceBlue", new Color(240, 248, 255));
- presetColors.put("antiqueWhite", new Color(250, 235, 215));
- presetColors.put("aqua", new Color(0, 255, 255));
- presetColors.put("aquamarine", new Color(127, 255, 212));
- presetColors.put("azure", new Color(240, 255, 255));
- presetColors.put("beige", new Color(245, 245, 220));
- presetColors.put("bisque", new Color(255, 228, 196));
- presetColors.put("black", new Color(0, 0, 0));
- presetColors.put("blanchedAlmond", new Color(255, 235, 205));
- presetColors.put("blue", new Color(0, 0, 255));
- presetColors.put("blueViolet", new Color(138, 43, 226));
- presetColors.put("brown", new Color(165, 42, 42));
- presetColors.put("burlyWood", new Color(222, 184, 135));
- presetColors.put("cadetBlue", new Color(95, 158, 160));
- presetColors.put("chartreuse", new Color(127, 255, 0));
- presetColors.put("chocolate", new Color(210, 105, 30));
- presetColors.put("coral", new Color(255, 127, 80));
- presetColors.put("cornflowerBlue", new Color(100, 149, 237));
- presetColors.put("crimson", new Color(220, 20, 60));
- presetColors.put("cyan", new Color(0, 255, 255));
- presetColors.put("deepPink", new Color(255, 20, 147));
- presetColors.put("deepSkyBlue", new Color(0, 191, 255));
- presetColors.put("dimGray", new Color(105, 105, 105));
- presetColors.put("dkBlue", new Color(0, 0, 139));
- presetColors.put("dkCyan", new Color(0, 139, 139));
- presetColors.put("dkGoldenrod", new Color(184, 134, 11));
- presetColors.put("dkGray", new Color(169, 169, 169));
- presetColors.put("dkGreen", new Color(0, 100, 0));
- presetColors.put("dkKhaki", new Color(189, 183, 107));
- presetColors.put("dkMagenta", new Color(139, 0, 139));
- presetColors.put("dkOliveGreen", new Color(85, 107, 47));
- presetColors.put("dkOrange", new Color(255, 140, 0));
- presetColors.put("dkOrchid", new Color(153, 50, 204));
- presetColors.put("dkRed", new Color(139, 0, 0));
- presetColors.put("dkSalmon", new Color(233, 150, 122));
- presetColors.put("dkSeaGreen", new Color(143, 188, 139));
- presetColors.put("dkSlateBlue", new Color(72, 61, 139));
- presetColors.put("dkSlateGray", new Color(47, 79, 79));
- presetColors.put("dkTurquoise", new Color(0, 206, 209));
- presetColors.put("dkViolet", new Color(148, 0, 211));
- presetColors.put("dodgerBlue", new Color(30, 144, 255));
- presetColors.put("firebrick", new Color(178, 34, 34));
- presetColors.put("floralWhite", new Color(255, 250, 240));
- presetColors.put("forestGreen", new Color(34, 139, 34));
- presetColors.put("fuchsia", new Color(255, 0, 255));
- presetColors.put("gainsboro", new Color(220, 220, 220));
- presetColors.put("ghostWhite", new Color(248, 248, 255));
- presetColors.put("gold", new Color(255, 215, 0));
- presetColors.put("goldenrod", new Color(218, 165, 32));
- presetColors.put("gray", new Color(128, 128, 128));
- presetColors.put("green", new Color(0, 128, 0));
- presetColors.put("greenYellow", new Color(173, 255, 47));
- presetColors.put("honeydew", new Color(240, 255, 240));
- presetColors.put("hotPink", new Color(255, 105, 180));
- presetColors.put("indianRed", new Color(205, 92, 92));
- presetColors.put("indigo", new Color(75, 0, 130));
- presetColors.put("ivory", new Color(255, 255, 240));
- presetColors.put("khaki", new Color(240, 230, 140));
- presetColors.put("lavender", new Color(230, 230, 250));
- presetColors.put("lavenderBlush", new Color(255, 240, 245));
- presetColors.put("lawnGreen", new Color(124, 252, 0));
- presetColors.put("lemonChiffon", new Color(255, 250, 205));
- presetColors.put("lime", new Color(0, 255, 0));
- presetColors.put("limeGreen", new Color(50, 205, 50));
- presetColors.put("linen", new Color(250, 240, 230));
- presetColors.put("ltBlue", new Color(173, 216, 230));
- presetColors.put("ltCoral", new Color(240, 128, 128));
- presetColors.put("ltCyan", new Color(224, 255, 255));
- presetColors.put("ltGoldenrodYellow", new Color(250, 250, 120));
- presetColors.put("ltGray", new Color(211, 211, 211));
- presetColors.put("ltGreen", new Color(144, 238, 144));
- presetColors.put("ltPink", new Color(255, 182, 193));
- presetColors.put("ltSalmon", new Color(255, 160, 122));
- presetColors.put("ltSeaGreen", new Color(32, 178, 170));
- presetColors.put("ltSkyBlue", new Color(135, 206, 250));
- presetColors.put("ltSlateGray", new Color(119, 136, 153));
- presetColors.put("ltSteelBlue", new Color(176, 196, 222));
- presetColors.put("ltYellow", new Color(255, 255, 224));
- presetColors.put("magenta", new Color(255, 0, 255));
- presetColors.put("maroon", new Color(128, 0, 0));
- presetColors.put("medAquamarine", new Color(102, 205, 170));
- presetColors.put("medBlue", new Color(0, 0, 205));
- presetColors.put("medOrchid", new Color(186, 85, 211));
- presetColors.put("medPurple", new Color(147, 112, 219));
- presetColors.put("medSeaGreen", new Color(60, 179, 113));
- presetColors.put("medSlateBlue", new Color(123, 104, 238));
- presetColors.put("medSpringGreen", new Color(0, 250, 154));
- presetColors.put("medTurquoise", new Color(72, 209, 204));
- presetColors.put("medVioletRed", new Color(199, 21, 133));
- presetColors.put("midnightBlue", new Color(25, 25, 112));
- presetColors.put("mintCream", new Color(245, 255, 250));
- presetColors.put("mistyRose", new Color(255, 228, 225));
- presetColors.put("moccasin", new Color(255, 228, 181));
- presetColors.put("navajoWhite", new Color(255, 222, 173));
- presetColors.put("navy", new Color(0, 0, 128));
- presetColors.put("oldLace", new Color(253, 245, 230));
- presetColors.put("olive", new Color(128, 128, 0));
- presetColors.put("oliveDrab", new Color(107, 142, 35));
- presetColors.put("orange", new Color(255, 165, 0));
- presetColors.put("orangeRed", new Color(255, 69, 0));
- presetColors.put("orchid", new Color(218, 112, 214));
- presetColors.put("paleGoldenrod", new Color(238, 232, 170));
- presetColors.put("paleGreen", new Color(152, 251, 152));
- presetColors.put("paleTurquoise", new Color(175, 238, 238));
- presetColors.put("paleVioletRed", new Color(219, 112, 147));
- presetColors.put("papayaWhip", new Color(255, 239, 213));
- presetColors.put("peachPuff", new Color(255, 218, 185));
- presetColors.put("peru", new Color(205, 133, 63));
- presetColors.put("pink", new Color(255, 192, 203));
- presetColors.put("plum", new Color(221, 160, 221));
- presetColors.put("powderBlue", new Color(176, 224, 230));
- presetColors.put("purple", new Color(128, 0, 128));
- presetColors.put("red", new Color(255, 0, 0));
- presetColors.put("rosyBrown", new Color(188, 143, 143));
- presetColors.put("royalBlue", new Color(65, 105, 225));
- presetColors.put("saddleBrown", new Color(139, 69, 19));
- presetColors.put("salmon", new Color(250, 128, 114));
- presetColors.put("sandyBrown", new Color(244, 164, 96));
- presetColors.put("seaGreen", new Color(46, 139, 87));
- presetColors.put("seaShell", new Color(255, 245, 238));
- presetColors.put("sienna", new Color(160, 82, 45));
- presetColors.put("silver", new Color(192, 192, 192));
- presetColors.put("skyBlue", new Color(135, 206, 235));
- presetColors.put("slateBlue", new Color(106, 90, 205));
- presetColors.put("slateGray", new Color(112, 128, 144));
- presetColors.put("snow", new Color(255, 250, 250));
- presetColors.put("springGreen", new Color(0, 255, 127));
- presetColors.put("steelBlue", new Color(70, 130, 180));
- presetColors.put("tan", new Color(210, 180, 140));
- presetColors.put("teal", new Color(0, 128, 128));
- presetColors.put("thistle", new Color(216, 191, 216));
- presetColors.put("tomato", new Color(255, 99, 71));
- presetColors.put("turquoise", new Color(64, 224, 208));
- presetColors.put("violet", new Color(238, 130, 238));
- presetColors.put("wheat", new Color(245, 222, 179));
- presetColors.put("white", new Color(255, 255, 255));
- presetColors.put("whiteSmoke", new Color(245, 245, 245));
- presetColors.put("yellow", new Color(255, 255, 0));
- presetColors.put("yellowGreen", new Color(154, 205, 50));
- }
- }
|