diff options
Diffstat (limited to 'src/java/org/apache/fop/render/afp/modca/ResourceGroup.java')
| -rw-r--r-- | src/java/org/apache/fop/render/afp/modca/ResourceGroup.java | 222 |
1 files changed, 82 insertions, 140 deletions
diff --git a/src/java/org/apache/fop/render/afp/modca/ResourceGroup.java b/src/java/org/apache/fop/render/afp/modca/ResourceGroup.java index 48f4f0eeb..38b9524e6 100644 --- a/src/java/org/apache/fop/render/afp/modca/ResourceGroup.java +++ b/src/java/org/apache/fop/render/afp/modca/ResourceGroup.java @@ -21,10 +21,13 @@ package org.apache.fop.render.afp.modca; import java.io.IOException; import java.io.OutputStream; +import java.util.Collection; +import java.util.Iterator; import java.util.Map; -import org.apache.fop.render.afp.DataObjectParameters; -import org.apache.fop.render.afp.ImageObjectParameters; +import org.apache.fop.render.afp.DataObjectInfo; +import org.apache.fop.render.afp.ImageObjectInfo; +import org.apache.fop.render.afp.ResourceInfo; import org.apache.fop.render.afp.modca.triplets.FullyQualifiedNameTriplet; import org.apache.fop.render.afp.tools.StringUtils; import org.apache.xmlgraphics.image.codec.tiff.TIFFImage; @@ -42,13 +45,19 @@ public final class ResourceGroup extends AbstractNamedAFPObject { /** * Mapping of resource uri to data resource object (image/graphic) */ - private Map/*<String,AbstractAFPObject>*/ resourceMap = null; + private Map/*<String,IncludeObject>*/ resourceMap = null; + + /** + * This resource groups container + */ + private AbstractResourceGroupContainer container = null; /** * Default constructor + * @param container the resource group container */ - public ResourceGroup() { - this(DEFAULT_NAME); + public ResourceGroup(AbstractResourceGroupContainer container) { + this(DEFAULT_NAME, container); } /** @@ -56,159 +65,86 @@ public final class ResourceGroup extends AbstractNamedAFPObject { * name parameter which must be 8 characters long. * @param name the resource group name */ - public ResourceGroup(String name) { + public ResourceGroup(String name, AbstractResourceGroupContainer container) { super(name); + this.container = container; } - private static final String IMAGE_NAME_PREFIX = "IMG"; - private static final String GRAPHIC_NAME_PREFIX = "GRA"; - private static final String PAGE_SEGMENT_NAME_PREFIX = "PAG"; - private static final String BARCODE_NAME_PREFIX = "BAR"; - private static final String OTHER_NAME_PREFIX = "OTH"; + private static final String RESOURCE_NAME_PREFIX = "RES"; + private static final String INCLUDE_NAME_PREFIX = "INC"; /** - * Converts a byte array containing 24 bit RGB image data to a grayscale - * image. - * - * @param io - * the target image object - * @param raw - * the buffer containing the RGB image data - * @param width - * the width of the image in pixels - * @param height - * the height of the image in pixels - * @param bitsPerPixel - * the number of bits to use per pixel - */ - private static void convertToGrayScaleImage(ImageObject io, byte[] raw, int width, - int height, int bitsPerPixel) { - int pixelsPerByte = 8 / bitsPerPixel; - int bytewidth = (width / pixelsPerByte); - if ((width % pixelsPerByte) != 0) { - bytewidth++; - } - byte[] bw = new byte[height * bytewidth]; - byte ib; - for (int y = 0; y < height; y++) { - ib = 0; - int i = 3 * y * width; - for (int x = 0; x < width; x++, i += 3) { - - // see http://www.jguru.com/faq/view.jsp?EID=221919 - double greyVal = 0.212671d * ((int) raw[i] & 0xff) + 0.715160d - * ((int) raw[i + 1] & 0xff) + 0.072169d - * ((int) raw[i + 2] & 0xff); - switch (bitsPerPixel) { - case 1: - if (greyVal < 128) { - ib |= (byte) (1 << (7 - (x % 8))); - } - break; - case 4: - greyVal /= 16; - ib |= (byte) ((byte) greyVal << ((1 - (x % 2)) * 4)); - break; - case 8: - ib = (byte) greyVal; - break; - default: - throw new UnsupportedOperationException( - "Unsupported bits per pixel: " + bitsPerPixel); - } - - if ((x % pixelsPerByte) == (pixelsPerByte - 1) - || ((x + 1) == width)) { - bw[(y * bytewidth) + (x / pixelsPerByte)] = ib; - ib = 0; - } - } - } - io.setImageIDESize((byte) bitsPerPixel); - io.setImageData(bw); - } - - /** - * Helper method to create an image on the current container and to return + * Helper method to create a new resource object in the current container and to return * the object. - * @param params the set of image object parameters - * @return a newly created image object + * @return a newly created resource object */ - private ImageObject createImage(ImageObjectParameters params) { - String name = IMAGE_NAME_PREFIX - + StringUtils.lpad(String.valueOf(getResourceCount() + 1), '0', 5); - ImageObject imageObj = new ImageObject(name); - if (params.hasCompression()) { - int compression = params.getCompression(); - switch (compression) { - case TIFFImage.COMP_FAX_G3_1D: - imageObj.setImageEncoding(ImageContent.COMPID_G3_MH); - break; - case TIFFImage.COMP_FAX_G3_2D: - imageObj.setImageEncoding(ImageContent.COMPID_G3_MR); - break; - case TIFFImage.COMP_FAX_G4_2D: - imageObj.setImageEncoding(ImageContent.COMPID_G3_MMR); - break; - default: - throw new IllegalStateException( - "Invalid compression scheme: " + compression); - } - } - imageObj.setFullyQualifiedName( - FullyQualifiedNameTriplet.TYPE_BEGIN_RESOURCE_OBJECT_REF, - FullyQualifiedNameTriplet.FORMAT_URL, params.getUri()); - imageObj.setImageParameters(params.getWidthRes(), params.getHeightRes(), - params.getImageDataWidth(), params.getImageDataHeight()); - if (params.isColor()) { - imageObj.setImageIDESize((byte)24); - imageObj.setImageData(params.getData()); - } else { - convertToGrayScaleImage(imageObj, params.getData(), - params.getImageDataWidth(), params.getImageDataHeight(), - params.getBitsPerPixel()); - } - return imageObj; + private ResourceObject createResourceObject() { + String name = RESOURCE_NAME_PREFIX + + StringUtils.lpad(String.valueOf(getResourceCount() + 1), '0', 5); + ResourceObject resource = new ResourceObject(name); + return resource; } - /** - * Helper method to create a graphic in the current container and to return - * the object. - * @param params the data object parameters - * @return a newly created graphics object - */ - private GraphicsObject createGraphic(DataObjectParameters params) { - String name = GRAPHIC_NAME_PREFIX - + StringUtils.lpad(String.valueOf(getResourceCount() + 1), '0', 5); - GraphicsObject graphicsObj = new GraphicsObject(name); - return graphicsObj; - } +// /** +// * Helper method to create a new resource object in the current container and to return +// * the object. +// * @return a newly created resource object +// */ +// private IncludeObject createIncludeObject() { +// String name = INCLUDE_NAME_PREFIX +// + StringUtils.lpad(String.valueOf(getResourceCount() + 1), '0', 5); +// IncludeObject includeObj = new IncludeObject(name); +// return includeObj; +// } /** - * Adds a data object to this resource group - * @param params the data object parameters + * Creates a data object in this resource group + * @param info the data object info * @return an include object reference */ - public IncludeObject addObject(DataObjectParameters params) { - ResourceObject resourceObj = (ResourceObject)getResourceMap().get(params.getUri()); - if (resourceObj == null) { + public IncludeObject createObject(DataObjectInfo info) { + IncludeObject includeObj = (IncludeObject)getResourceMap().get(info.getUri()); + if (includeObj == null) { AbstractDataObject dataObj; - if (params instanceof ImageObjectParameters) { - dataObj = createImage((ImageObjectParameters)params); + if (info instanceof ImageObjectInfo) { + dataObj = container.createImage((ImageObjectInfo)info); + } else { + dataObj = container.createGraphic(); + } + + ResourceInfo resourceInfo = info.getResourceInfo(); + String resourceName = resourceInfo.getName(); + if (resourceInfo.isExternal()) { + ObjectContainer objectContainer = new ObjectContainer(resourceName, dataObj, info); } else { - dataObj = createGraphic(params); + } + + // Wrap the data object in a page segment + PageSegment pageSegment = container.createPageSegment(); + pageSegment.addObject(dataObj); + + // TODO: AC - rotation? int rotation = 0; - dataObj.setViewport(params.getX(), params.getY(), - params.getWidth(), params.getHeight(), - params.getWidthRes(), params.getHeightRes(), rotation); + dataObj.setViewport(info.getX(), info.getY(), + info.getWidth(), info.getHeight(), + info.getWidthRes(), info.getHeightRes(), rotation); - // Wrap the data object in a resource object - resourceObj = new ResourceObject(dataObj.getName(), dataObj); - getResourceMap().put(params.getUri(), resourceObj); + includeObj.setResourceInfo(resourceInfo); + + // If resource is to be stored externally, + // wrap the page segment in a resource object + if (resourceInfo.isExternal()) { + ResourceObject resource = createResourceObject(); + resource.setReferencedObject(pageSegment); + includeObj = new IncludeObject(resource); + } else { + includeObj = new IncludeObject(pageSegment); + } + // Add include object to resource map + getResourceMap().put(info.getUri(), includeObj); } - IncludeObject includeObj = new IncludeObject(resourceObj); //includeObj.setObjectAreaSize(params.getX(), params.getY()); return includeObj; } @@ -218,7 +154,7 @@ public final class ResourceGroup extends AbstractNamedAFPObject { */ public int getResourceCount() { if (resourceMap != null) { - return resourceMap.size(); + return resourceMap.size(); } return 0; } @@ -250,7 +186,13 @@ public final class ResourceGroup extends AbstractNamedAFPObject { */ public void writeContent(OutputStream os) throws IOException { if (resourceMap != null) { - super.writeObjects(resourceMap.values(), os); + Collection includes = resourceMap.values(); + Iterator it = includes.iterator(); + while (it.hasNext()) { + IncludeObject includeObj = (IncludeObject)it.next(); + AbstractStructuredAFPObject obj = includeObj.getReferencedObject(); + obj.writeDataStream(os); + } } } |