Support of BlwhResource

Support of BlwhResource

The BlwhResource contains Black & White Adjustment Layer Data. Aspose.PSD supports BlwhResource in PSD files.  For this, the API provides the BlwhResource class.

The following code snippet shows you how Aspose.PSD supports BlwhResource.

    // For complete examples and data files, please go to https://github.com/aspose-psd/Aspose.PSD-for-Java
    private static final String actualPropertyValueIsWrongMessage = "Expected property value is not equal to actual value";

    public static void main(String[] args) {
        exampleSupportOfBlwhResource(
                "BlackWhiteAdjustmentLayerStripesMask.psd",
                0x28,
                0x3c,
                0x28,
                0x3c,
                0x14,
                0x50,
                false,
                1,
                "\0",
                225.00045776367188,
                211.00067138671875,
                179.00115966796875,
                -1977421,
                -5925001);

        exampleSupportOfBlwhResource(
                "BlackWhiteAdjustmentLayerStripesMask2.psd",
                0x80,
                0x40,
                0x20,
                0x10,
                0x08,
                0x04,
                true,
                4,
                "\0",
                239.996337890625,
                127.998046875,
                63.9990234375,
                -1015744,
                -4963324);

        System.out.println("BlwhResource updating works as expected. Press any key.");
    }

    private static void assertIsTrue(boolean condition, String message) {
        if (!condition) {
            throw new FormatException(message);
        }
    }

    private static void exampleSupportOfBlwhResource(
            String sourceFileName,
            int reds,
            int yellows,
            int greens,
            int cyans,
            int blues,
            int magentas,
            boolean useTint,
            int bwPresetKind,
            String bwPresetFileName,
            double tintColorRed,
            double tintColorGreen,
            double tintColorBlue,
            int tintColor,
            int newTintColor) {
        String sourceDir = Utils.GetDataDir_PSD();
        String outputDir = Utils.GetDataDir_Output();

        String destinationFileName = outputDir + "Output" + sourceFileName;
        boolean isRequiredResourceFound = false;
        PsdImage im = null;
        try {
            im = (PsdImage) Image.load(sourceDir + sourceFileName);

            for (Layer layer : im.getLayers()) {
                for (LayerResource layerResource : layer.getResources()) {
                    if (layerResource instanceof BlwhResource) {
                        BlwhResource blwhResource = (BlwhResource) layerResource;
                        BlackWhiteAdjustmentLayer blwhLayer = (BlackWhiteAdjustmentLayer) layer;
                        isRequiredResourceFound = true;

                        assertIsTrue(blwhResource.getReds() == reds, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getYellows() == yellows, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getGreens() == greens, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getCyans() == cyans, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBlues() == blues, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getMagentas() == magentas, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getUseTint() == useTint, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getTintColor() == tintColor, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBwPresetKind() == bwPresetKind, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBlackAndWhitePresetFileName().equals(bwPresetFileName), actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorRed() - tintColorRed) < 1e-6, actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorGreen() - tintColorGreen) < 1e-6, actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorBlue() - tintColorBlue) < 1e-6, actualPropertyValueIsWrongMessage);

                        // Test editing and saving
                        blwhResource.setReds(reds - 15);
                        blwhResource.setYellows(yellows - 15);
                        blwhResource.setGreens(greens + 15);
                        blwhResource.setCyans(cyans + 15);
                        blwhResource.setBlues(blues - 15);
                        blwhResource.setMagentas(magentas - 15);
                        blwhResource.setUseTint(!useTint);
                        blwhResource.setBwPresetKind(4);
                        blwhResource.setBlackAndWhitePresetFileName("bwPresetFileName");
                        blwhLayer.setTintColorRed(tintColorRed - 60);
                        blwhLayer.setTintColorGreen(tintColorGreen - 60);
                        blwhLayer.setTintColorBlue(tintColorBlue - 60);

                        im.save(destinationFileName);
                        break;
                    }
                }
            }
        } finally {
            if (im != null) im.dispose();
        }

        assertIsTrue(isRequiredResourceFound, "The specified BlwhResource not found");
        isRequiredResourceFound = false;

        PsdImage im2 = null;
        try {
            im2 = (PsdImage) Image.load(destinationFileName);

            for (Layer layer : im2.getLayers()) {
                for (LayerResource layerResource : layer.getResources()) {
                    if (layerResource instanceof BlwhResource) {
                        BlwhResource blwhResource = (BlwhResource) layerResource;
                        BlackWhiteAdjustmentLayer blwhLayer = (BlackWhiteAdjustmentLayer) layer;
                        isRequiredResourceFound = true;

                        assertIsTrue(blwhResource.getReds() == reds - 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getYellows() == yellows - 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getGreens() == greens + 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getCyans() == cyans + 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBlues() == blues - 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getMagentas() == magentas - 15, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getUseTint() == !useTint, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getTintColor() == newTintColor, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBwPresetKind() == 4, actualPropertyValueIsWrongMessage);
                        assertIsTrue(blwhResource.getBlackAndWhitePresetFileName().equals("bwPresetFileName"), actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorRed() - tintColorRed + 60) < 1e-6, actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorGreen() - tintColorGreen + 60) < 1e-6, actualPropertyValueIsWrongMessage);
                        assertIsTrue(Math.abs(blwhLayer.getTintColorBlue() - tintColorBlue + 60) < 1e-6, actualPropertyValueIsWrongMessage);

                        break;
                    }
                }
            }
        } finally {
            if (im2 != null) im2.dispose();
        }

        assertIsTrue(isRequiredResourceFound, "The specified BlwhResource not found");
    }