/* * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 4278771 8200200 * @summary This test verifies that various non-sRGB ColorModels correctly * convert to and from default sRGB ColorModel pixel values * */ import java.awt.image.*; import java.awt.Transparency; import java.awt.color.ColorSpace; public class Non_sRGBCMTest { public static void main(String args[]) { int[] nBits = {8, 8, 8, 8}; ColorSpace cs = ColorSpace.getInstance(ColorSpace.CS_CIEXYZ); ComponentColorModel ccm = new ComponentColorModel(cs, nBits, true, true, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE); byte[] pixel = new byte[4]; float val = (0.1f - cs.getMinValue(0)) / (cs.getMaxValue(0) - cs.getMinValue(0)); pixel[0] = (byte) ((int) (val * 255.0f)); val = (0.2f - cs.getMinValue(1)) / (cs.getMaxValue(1) - cs.getMinValue(1)); pixel[1] = (byte) ((int) (val * 255.0f)); val = (0.3f - cs.getMinValue(2)) / (cs.getMaxValue(2) - cs.getMinValue(2)); pixel[2] = (byte) ((int) (val * 255.0f)); pixel[3] = (byte) ((int) (0.4f * 255.0f)); // The theoretically correct value for blue, when converting from // the specified XYZ value to sRGB, is 248. This test allows a // two-bit difference. This may have to be adjusted over time // to track evolution of the ICC spec, etc. if (Math.abs(ccm.getBlue(pixel) - 248) > 2) { throw new Error("Problem with ComponentColorModel.getBlue()"); } ccm = new ComponentColorModel(cs, nBits, true, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE); val = ((0.1f / 0.4f) - cs.getMinValue(0)) / (cs.getMaxValue(0) - cs.getMinValue(0)); pixel[0] = (byte) ((int) (val * 255.0f)); val = ((0.2f / 0.4f) - cs.getMinValue(1)) / (cs.getMaxValue(1) - cs.getMinValue(1)); pixel[1] = (byte) ((int) (val * 255.0f)); val = ((0.3f / 0.4f) - cs.getMinValue(2)) / (cs.getMaxValue(2) - cs.getMinValue(2)); pixel[2] = (byte) ((int) (val * 255.0f)); pixel[3] = (byte) ((int) (0.4f * 255.0f)); if (Math.abs(ccm.getBlue(pixel) - 248) > 2) { throw new Error("Problem with ComponentColorModel.getBlue()"); } int[] nBits3 = {8, 8, 8}; ccm = new ComponentColorModel(cs, nBits3, false, false, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE); val = ((0.1f / 0.4f) - cs.getMinValue(0)) / (cs.getMaxValue(0) - cs.getMinValue(0)); pixel[0] = (byte) ((int) (val * 255.0f)); val = ((0.2f / 0.4f) - cs.getMinValue(1)) / (cs.getMaxValue(1) - cs.getMinValue(1)); pixel[1] = (byte) ((int) (val * 255.0f)); val = ((0.3f / 0.4f) - cs.getMinValue(2)) / (cs.getMaxValue(2) - cs.getMinValue(2)); pixel[2] = (byte) ((int) (val * 255.0f)); if (Math.abs(ccm.getBlue(pixel) - 248) > 2) { throw new Error("Problem with ComponentColorModel.getBlue()"); } DirectColorModel dcm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, true, DataBuffer.TYPE_INT); int[] ipixel = new int[1]; ipixel[0] = (127 << 24) | (127 << 16) | (127 << 8) | 127; if (Math.abs(dcm.getBlue(ipixel) - 254) > 1) { throw new Error("Problem with DirectColorModel.getBlue()"); } dcm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, false, DataBuffer.TYPE_INT); ipixel[0] = (255 << 24) | (255 << 16) | (255 << 8) | 255; if (Math.abs(dcm.getBlue(ipixel) - 254) > 1) { throw new Error("Problem with DirectColorModel.getBlue()"); } dcm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0x00000000, false, DataBuffer.TYPE_INT); ipixel[0] = (255 << 16) | (255 << 8) | 255; if (Math.abs(dcm.getBlue(ipixel) - 254) > 1) { throw new Error("Problem with DirectColorModel.getBlue()"); } dcm = new DirectColorModel( ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), 32, 0x00ff0000, 0x0000ff00, 0x000000ff, 0xff000000, true, DataBuffer.TYPE_INT); ipixel[0] = (127 << 24) | (127 << 16) | (127 << 8) | 127; int i = dcm.getRGB(ipixel); if (Math.abs(((i & 0x00ff0000) >> 16) - 253) > 2) { throw new Error("Problem with DirectColorModel.getRGB()"); } int[] idata = (int []) dcm.getDataElements(i, null); if (Math.abs(((idata[0] & 0x00ff0000) >> 16) - 125) > 3) { throw new Error("Problem with DirectColorModel.getDataElements()"); } ccm = new ComponentColorModel( ColorSpace.getInstance(ColorSpace.CS_LINEAR_RGB), nBits, true, true, Transparency.TRANSLUCENT, DataBuffer.TYPE_BYTE); pixel[0] = 127; pixel[1] = 127; pixel[2] = 127; pixel[3] = 127; i = ccm.getRGB(pixel); if (Math.abs(((i & 0x00ff0000) >> 16) - 253) > 2) { throw new Error("Problem with ComponentColorModel.getRGB()"); } byte[] bdata = (byte []) ccm.getDataElements(i, null); if (Math.abs((bdata[0] & 0xff) - 125) > 3) { throw new Error("Problem with" + "ComponentColorModel.getDataElements()"); } } }