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feat: Added copy code functionality to Color Picker (gluonhq#496)
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kit/src/main/java/com/oracle/javafx/scenebuilder/kit/util/PaintConvertUtil.java
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| /* | ||
| * Copyright (c) 2022, Gluon and/or its affiliates. | ||
| * All rights reserved. Use is subject to license terms. | ||
| * | ||
| * This file is available and licensed under the following license: | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * | ||
| * - Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * - Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in | ||
| * the documentation and/or other materials provided with the distribution. | ||
| * - Neither the name of Oracle Corporation and Gluon nor the names of its | ||
| * contributors may be used to endorse or promote products derived | ||
| * from this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | ||
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | ||
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | ||
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT | ||
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, | ||
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT | ||
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | ||
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | ||
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
| package com.oracle.javafx.scenebuilder.kit.util; | ||
|
|
||
| import javafx.scene.paint.Color; | ||
| import javafx.scene.paint.CycleMethod; | ||
| import javafx.scene.paint.LinearGradient; | ||
| import javafx.scene.paint.Paint; | ||
| import javafx.scene.paint.RadialGradient; | ||
| import javafx.scene.paint.Stop; | ||
|
|
||
| import java.util.List; | ||
|
|
||
| /** | ||
| * Convert Paint to java code or css code; | ||
| */ | ||
| public class PaintConvertUtil { | ||
|
|
||
| private static final int ROUNDING_FACTOR = 10000;//Use for round to 4 decimal places | ||
|
|
||
| public static String convertPaintToCss(Paint fxPaint) { | ||
| if (fxPaint instanceof LinearGradient) { | ||
| LinearGradient paint = (LinearGradient) fxPaint; | ||
| StringBuilder strBuilder = new StringBuilder("linear-gradient(from ") | ||
| .append(lenToStr(paint.getStartX(), paint.isProportional())) | ||
| .append(" ").append(lenToStr(paint.getStartY(), paint.isProportional())) | ||
| .append(" to ").append(lenToStr(paint.getEndX(), paint.isProportional())) | ||
| .append(" ").append(lenToStr(paint.getEndY(), paint.isProportional())) | ||
| .append(", "); | ||
| connectCycleMethodAndStops(strBuilder, paint.getCycleMethod(), paint.getStops()); | ||
| return strBuilder.toString(); | ||
| } else if (fxPaint instanceof RadialGradient) { | ||
| RadialGradient paint = (RadialGradient) fxPaint; | ||
| StringBuilder strBuilder = new StringBuilder("radial-gradient(focus-angle ").append(round(paint.getFocusAngle())) | ||
| .append("deg, focus-distance ").append(round(paint.getFocusDistance() * 100)) | ||
| .append("% , center ").append(lenToStr(paint.getCenterX(), paint.isProportional())) | ||
| .append(" ").append(lenToStr(paint.getCenterY(), paint.isProportional())) | ||
| .append(", radius ").append(lenToStr(paint.getRadius(), paint.isProportional())) | ||
| .append(", "); | ||
| connectCycleMethodAndStops(strBuilder, paint.getCycleMethod(), paint.getStops()); | ||
| return strBuilder.toString(); | ||
| } else if (fxPaint instanceof Color) { | ||
| return toHex((Color) fxPaint); | ||
| } | ||
| return ""; | ||
| } | ||
|
|
||
| public static String convertPaintToJavaCode(Paint fxPaint) { | ||
| if (fxPaint instanceof LinearGradient) { | ||
| LinearGradient paint = (LinearGradient) fxPaint; | ||
| return "LinearGradient paint = new LinearGradient(" + System.lineSeparator() + | ||
| round(paint.getStartX()) + ", " + round(paint.getStartY()) + ", " + | ||
| round(paint.getEndX()) + ", " + round(paint.getEndY()) + ", " + | ||
| paint.isProportional() + ", " + | ||
| cycleMethodToStr(paint.getCycleMethod()) + "," + System.lineSeparator() + | ||
| stopsToString(paint.getStops()) + | ||
| ");"; | ||
| } else if (fxPaint instanceof RadialGradient) { | ||
| RadialGradient paint = (RadialGradient) fxPaint; | ||
| return "RadialGradient paint = new RadialGradient(" + System.lineSeparator() + | ||
| round(paint.getFocusAngle()) + ", " + round(paint.getFocusDistance()) + ", " + round(paint.getCenterX()) + ", " | ||
| + round(paint.getCenterY()) + ", " + round(paint.getRadius()) + ", " + paint.isProportional() + ", " | ||
| + cycleMethodToStr(paint.getCycleMethod())+ "," + System.lineSeparator() | ||
| + stopsToString(paint.getStops()) + ");"; | ||
| } else if (fxPaint instanceof Color) { | ||
| return "Color paint = " + colorToJavaStr((Color) fxPaint) + ";"; | ||
| } | ||
| return ""; | ||
| } | ||
|
|
||
| private static void connectCycleMethodAndStops(StringBuilder strBuilder, CycleMethod cycleMethod, List<Stop> stops) { | ||
| switch (cycleMethod) { | ||
| case REFLECT: | ||
| strBuilder.append("reflect").append(", "); | ||
| break; | ||
| case REPEAT: | ||
| strBuilder.append("repeat").append(", "); | ||
| break; | ||
| default: | ||
| break; | ||
| } | ||
| int len = stops.size(); | ||
| for (int i = 0; i < len; i++) { | ||
| Stop stop = stops.get(i); | ||
| strBuilder.append(toHex(stop.getColor())).append(" ").append(round(stop.getOffset() * 100.0D)).append("%"); | ||
| if (i < len - 1) { | ||
| strBuilder.append(", "); | ||
| } | ||
| } | ||
| strBuilder.append(")"); | ||
| } | ||
|
|
||
| private static String cycleMethodToStr(CycleMethod cycleMethod) { | ||
| String cycleMethodStr; | ||
| if (CycleMethod.REFLECT.equals(cycleMethod)) { | ||
| cycleMethodStr = "CycleMethod.REFLECT"; | ||
| } else if (CycleMethod.REPEAT.equals(cycleMethod)) { | ||
| cycleMethodStr = "CycleMethod.REPEAT"; | ||
| } else { | ||
| cycleMethodStr = "CycleMethod.NO_CYCLE"; | ||
| } | ||
| return cycleMethodStr; | ||
| } | ||
|
|
||
| private static String stopsToString(List<Stop> stops) { | ||
| StringBuilder stopsBuilder = new StringBuilder(32); | ||
| int len = stops.size(); | ||
| for (int i = 0; i < len; i++) { | ||
| Stop stop = stops.get(i); | ||
| Color color = stop.getColor(); | ||
| double offset = round(stop.getOffset()); | ||
| String strColor = colorToJavaStr(color); | ||
| stopsBuilder.append("new Stop(").append(offset).append(", ").append(strColor).append(")"); | ||
| if (i < len - 1) { | ||
| stopsBuilder.append(",").append(System.lineSeparator()); | ||
| } | ||
| } | ||
| return stopsBuilder.toString(); | ||
| } | ||
|
|
||
| private static String colorToJavaStr(Color color) { | ||
| return String.format("new Color(%s, %s, %s, %s)", round(color.getRed()), round(color.getGreen()), round(color.getBlue()), round(color.getOpacity())); | ||
| } | ||
|
|
||
| private static String lenToStr(double num, boolean isProportional) { | ||
| return isProportional ? round(num * 100.0D) + "%" : num + "px"; | ||
| } | ||
|
|
||
| private static double round(double num) { | ||
| double doubleRounded = Math.round(num * ROUNDING_FACTOR); | ||
| return doubleRounded / ROUNDING_FACTOR; | ||
| } | ||
|
|
||
| private static String toHex(Color color) { | ||
| int red = (int) Math.round(color.getRed() * 255.0D); | ||
| int green = (int) Math.round(color.getGreen() * 255.0D); | ||
| int blue = (int) Math.round(color.getBlue() * 255.0D); | ||
| int alpha = (int) Math.round(color.getOpacity() * 255.0D); | ||
| if (alpha == 255) { | ||
| return String.format("#%02x%02x%02x", red, green, blue); | ||
| } else { | ||
| return String.format("#%02x%02x%02x%02x", red, green, blue, alpha); | ||
| } | ||
| } | ||
| } |
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