دعم مورد LspfResource

دعم مورد LspfResource

مورد LspfResource يحتوي على إعدادات حول إعداد الطبقة المحمية. Aspose.PSD يدعم مورد LspfResource في ملفات PSD. لهذا الغرض، يوفر الواجهة البرمجية الصنف LspfResource.

الكود النصي التالي يظهر كيفية دعم Aspose.PSD لـ LspfResource.

    // For complete examples and data files, please go to https://github.com/aspose-psd/Aspose.PSD-for-Java
    public static void main(String[] args) {
        String sourceDir = Utils.GetDataDir_PSD();
        String outputDir = Utils.GetDataDir_Output();
        final String actualPropertyValueIsWrongMessage = "Expected property value is not equal to actual value";

        String sourceFileName = sourceDir + "SampleForLspfResource.psd";
        String destinationFileName = outputDir + "SampleForLspfResource_out.psd";
        boolean isRequiredResourceFound = false;
        PsdImage im = null;
        try {
            im = (PsdImage) Image.load(sourceFileName);
            for (Layer layer : im.getLayers()) {
                for (LayerResource layerResource : layer.getResources()) {
                    if (layerResource instanceof LspfResource) {
                        LspfResource resource = (LspfResource) layerResource;

                        isRequiredResourceFound = true;

                        assertIsTrue(!resource.isCompositeProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isPositionProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isTransparencyProtected(), actualPropertyValueIsWrongMessage);

                        // Test editing and saving
                        resource.setCompositeProtected(true);
                        assertIsTrue(resource.isCompositeProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isPositionProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isTransparencyProtected(), actualPropertyValueIsWrongMessage);

                        resource.setCompositeProtected(false);
                        resource.setPositionProtected(true);
                        assertIsTrue(!resource.isCompositeProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(resource.isPositionProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isTransparencyProtected(), actualPropertyValueIsWrongMessage);

                        resource.setPositionProtected(false);
                        resource.setTransparencyProtected(true);
                        assertIsTrue(!resource.isCompositeProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(!resource.isPositionProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(resource.isTransparencyProtected(), actualPropertyValueIsWrongMessage);

                        resource.setCompositeProtected(true);
                        resource.setPositionProtected(true);
                        resource.setTransparencyProtected(true);

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

        assertIsTrue(isRequiredResourceFound, "The specified LspfResource 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 LspfResource) {
                        LspfResource resource = (LspfResource) layerResource;

                        isRequiredResourceFound = true;

                        assertIsTrue(resource.isCompositeProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(resource.isPositionProtected(), actualPropertyValueIsWrongMessage);
                        assertIsTrue(resource.isTransparencyProtected(), actualPropertyValueIsWrongMessage);

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

        assertIsTrue(isRequiredResourceFound, "The specified LspfResource not found");
        System.out.println("LspfResource updating works as expected. Press any key.");
    }

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