pbwest 2004/04/15 00:45:08
Modified: src/java/org/apache/fop/render Tag: FOP_0-20-0_Alt-Design
AbstractRenderer.java
Log:
Generate and return a GraphicsEnvironment
Revision Changes Path
No revision
No revision
1.24.2.4 +5 -507 xml-fop/src/java/org/apache/fop/render/AbstractRenderer.java
Index: AbstractRenderer.java
===================================================================
RCS file: /home/cvs/xml-fop/src/java/org/apache/fop/render/AbstractRenderer.java,v
retrieving revision 1.24.2.3
retrieving revision 1.24.2.4
diff -u -r1.24.2.3 -r1.24.2.4
--- AbstractRenderer.java 16 Mar 2004 12:17:53 -0000 1.24.2.3
+++ AbstractRenderer.java 15 Apr 2004 07:45:08 -0000 1.24.2.4
@@ -18,6 +18,7 @@
package org.apache.fop.render;
+import java.awt.GraphicsEnvironment;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;
@@ -47,27 +48,6 @@
/** renderer configuration */
protected Map options = new HashMap();
-// /** block progression position */
-// protected int currentBPPosition = 0;
-//
-// /** inline progression position */
-// protected int currentIPPosition = 0;
-//
-// /** current inline progression position in block */
-// protected int currentBlockIPPosition = 0;
-//
-// /**
-// * the block progression position of the containing block used for
-// * absolutely positioned blocks
-// */
-// protected int containingBPPosition = 0;
-//
-// /**
-// * the inline progression position of the containing block used for
-// * absolutely positioned blocks
-// */
-// protected int containingIPPosition = 0;
-
protected Logger log = Logger.getLogger(Fop.fopPackage);
@@ -80,15 +60,14 @@
public void run() {
}
+ public GraphicsEnvironment getGraphicsEnvironment() {
+ return null;
+ }
+
public synchronized void setOutputStream(OutputStream output) {
this.output = output;
}
-// /**
-// * @see org.apache.fop.render.Renderer
-// */
-// public abstract void setupFontInfo(FOTreeControl foTreeControl);
-
/** @see org.apache.fop.render.Renderer */
public synchronized void setUserAgent(FOUserAgent agent) {
userAgent = agent;
@@ -110,12 +89,6 @@
return false;
}
-// /**
-// * @param ext (todo) Description of the Parameter
-// * @see org.apache.fop.render.Renderer
-// */
-// public void renderExtension(TreeExt ext) { }
-
/**
* Prepare a page for rendering. This is called if the renderer supports
* out of order rendering. The renderer should prepare the page so that a
@@ -127,110 +100,6 @@
*/
public void preparePage(PageViewport page) { }
-// /**
-// * Utility method to convert a page sequence title to a string. Some
-// * renderers may only be able to use a string title. A title is a sequence
-// * of inline areas that this method attempts to convert to an equivalent
-// * string.
-// *
-// * @param title The Title to convert
-// * @return An expanded string representing the title
-// */
-// protected String convertTitleToString(Title title) {
-// List children = title.getInlineAreas();
-// String str = convertToString(children);
-// return str.trim();
-// }
-//
-// private String convertToString(List children) {
-// StringBuffer sb = new StringBuffer();
-// for (int count = 0; count < children.size(); count++) {
-// InlineArea inline = (InlineArea) children.get(count);
-// if (inline instanceof Character) {
-// sb.append(((Character) inline).getChar());
-// } else if (inline instanceof TextArea) {
-// sb.append(((TextArea) inline).getTextArea());
-// } else if (inline instanceof InlineParent) {
-// sb.append(convertToString(
-// ((InlineParent) inline).getChildAreas()));
-// } else {
-// sb.append(" ");
-// }
-// }
-// return sb.toString();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// public void startPageSequence(Title seqTitle) {
-// //do nothing
-// }
-
- // normally this would be overriden to create a page in the
- // output
-// /** @see org.apache.fop.render.Renderer */
-// public void renderPage(PageViewport page)
-// throws IOException, FOPException {
-//
-// Page p = page.getPage();
-// renderPageAreas(p);
-// }
-
-// /**
-// * Renders page areas.
-// *
-// * @param page The page whos page areas are to be rendered
-// */
-// protected void renderPageAreas(Page page) {
-// /* Spec does not appear to specify whether fo:region-body should
-// appear above or below side regions in cases of overlap. FOP
-// decision is to have fo:region-body on top, hence it is rendered
-// last here. */
-// RegionViewport viewport;
-// viewport = page.getRegionViewport(Region.BEFORE_CODE);
-// renderRegionViewport(viewport);
-// viewport = page.getRegionViewport(Region.START_CODE);
-// renderRegionViewport(viewport);
-// viewport = page.getRegionViewport(Region.END_CODE);
-// renderRegionViewport(viewport);
-// viewport = page.getRegionViewport(Region.AFTER_CODE);
-// renderRegionViewport(viewport);
-// viewport = page.getRegionViewport(Region.BODY_CODE);
-// renderRegionViewport(viewport);
-// }
-
-// /**
-// * Renders a region viewport. <p>
-// *
-// * The region may clip the area and it establishes a position from where
-// * the region is placed.</p>
-// *
-// * @param port The region viewport to be rendered
-// */
-// protected void renderRegionViewport(RegionViewport port) {
-// if (port != null) {
-// Rectangle2D view = port.getViewArea();
-// // The CoordTransformer will transform coordinates relative to
-// // this region-reference area into page coords, so
-// // set origin for the region to 0,0.
-// currentBPPosition = 0;
-// currentIPPosition = 0;
-// currentBlockIPPosition = currentIPPosition;
-//
-// RegionReference region = port.getRegion();
-// handleRegionTraits(port);
-//
-// // shouldn't the viewport have the CoordTransformer
-// startVParea(region.getCoordTransformer());
-// // do after starting viewport area
-// if (region.getRegionClass() == Region.BODY_CODE) {
-// renderBodyRegion((BodyRegion) region);
-// } else {
-// renderRegion(region);
-// }
-// endVParea();
-// }
-// }
-
/**
* (todo) Description of the Method
*
@@ -253,377 +122,6 @@
*/
protected void endVParea() { }
-// /**
-// * Renders a region reference area.
-// *
-// * @param region The region reference area
-// */
-// protected void renderRegion(RegionReference region) {
-// List blocks = region.getBlocks();
-//
-// renderBlocks(null, blocks);
-//
-// }
-
-// /**
-// * Renders a body region area.
-// *
-// * @param region The body region
-// */
-// protected void renderBodyRegion(BodyRegion region) {
-// BeforeFloat bf = region.getBeforeFloat();
-// if (bf != null) {
-// renderBeforeFloat(bf);
-// }
-// MainReference mr = region.getMainReference();
-// if (mr != null) {
-// renderMainReference(mr);
-// }
-// Footnote foot = region.getFootnote();
-// if (foot != null) {
-// renderFootnote(foot);
-// }
-// }
-
-// /**
-// * Renders a before float area.
-// *
-// * @param bf The before float area
-// */
-// protected void renderBeforeFloat(BeforeFloat bf) {
-// List blocks = bf.getChildAreas();
-// if (blocks != null) {
-// renderBlocks(null, blocks);
-// Block sep = bf.getSeparator();
-// if (sep != null) {
-// renderBlock(sep);
-// }
-// }
-// }
-
-// /**
-// * Renders a footnote
-// *
-// * @param footnote The footnote
-// */
-// protected void renderFootnote(Footnote footnote) {
-// List blocks = footnote.getChildAreas();
-// if (blocks != null) {
-// Block sep = footnote.getSeparator();
-// if (sep != null) {
-// renderBlock(sep);
-// }
-// renderBlocks(null, blocks);
-// }
-// }
-
-// /**
-// * Renders the main reference area.
-// * <p>
-// * The main reference area contains a list of spans that are
-// * stacked on the page.
-// * The spans contain a list of normal flow reference areas
-// * that are positioned into columns.
-// * </p>
-// *
-// * @param mr The main reference area
-// */
-// protected void renderMainReference(MainReference mr) {
-// int saveIPPos = currentIPPosition;
-//
-// Span span = null;
-// List spans = mr.getSpans();
-// for (int count = 0; count < spans.size(); count++) {
-// span = (Span) spans.get(count);
-// int offset = (mr.getWidth()
-// - (span.getColumnCount() - 1) * mr.getColumnGap())
-// / span.getColumnCount() + mr.getColumnGap();
-// for (int c = 0; c < span.getColumnCount(); c++) {
-// Flow flow = (Flow) span.getFlow(c);
-//
-// renderFlow(flow);
-// currentIPPosition += offset;
-// }
-// currentIPPosition = saveIPPos;
-// currentBPPosition += span.getHeight();
-// }
-// }
-
-// /**
-// * Renders a flow reference area.
-// *
-// * @param flow The flow reference area
-// */
-// protected void renderFlow(Flow flow) {
-// // the normal flow reference area contains stacked blocks
-// List blocks = flow.getChildAreas();
-// if (blocks != null) {
-// renderBlocks(null, blocks);
-// }
-// }
-
-// /**
-// * Handle block traits.
-// * This method is called when the correct ip and bp posiiton is
-// * set. This should be overridden to draw border and background
-// * traits for the block area.
-// *
-// * @param block the block area
-// */
-// protected void handleBlockTraits(Block block) {
-// // draw border and background
-// }
-
-// /**
-// * Renders a block viewport.
-// *
-// * @param bv The block viewport
-// * @param children The children to render within the block viewport
-// */
-// protected void renderBlockViewport(BlockViewport bv, List children) {
-// // clip and position viewport if necessary
-// if (bv.getPositioning() == Block.ABSOLUTE) {
-// // save positions
-// int saveIP = currentIPPosition;
-// int saveBP = currentBPPosition;
-//
-// CoordTransformer ctm = bv.getCoordTransformer();
-// currentIPPosition = 0;
-// currentBPPosition = 0;
-//
-// startVParea(ctm);
-// handleBlockTraits(bv);
-// renderBlocks(bv, children);
-// endVParea();
-//
-// // clip if necessary
-//
-// currentIPPosition = saveIP;
-// currentBPPosition = saveBP;
-// } else {
-// // save position and offset
-// int saveIP = currentIPPosition;
-// int saveBP = currentBPPosition;
-//
-// handleBlockTraits(bv);
-// renderBlocks(bv, children);
-//
-// currentIPPosition = saveIP;
-// currentBPPosition = saveBP + bv.getHeight();
-// }
-// }
-
-// /**
-// * Renders a list of block areas.
-// *
-// * @param parent the parent block if the parent is a block, otherwise
-// * a null value.
-// * @param blocks The block areas
-// */
-// protected void renderBlocks(Block parent, List blocks) {
-// // the position of the containing block is used for
-// // absolutely positioned areas
-// int contBP = currentBPPosition;
-// int contIP = currentIPPosition;
-// containingBPPosition = contBP;
-// containingIPPosition = contIP;
-//
-// for (int count = 0; count < blocks.size(); count++) {
-// Object obj = blocks.get(count);
-// if (obj instanceof Block) {
-// containingBPPosition = contBP;
-// containingIPPosition = contIP;
-// renderBlock((Block) obj);
-// containingBPPosition = contBP;
-// containingIPPosition = contIP;
-// } else {
-// // a line area is rendered from the top left position
-// // of the line, each inline object is offset from there
-// LineArea line = (LineArea) obj;
-// currentBlockIPPosition =
-// currentIPPosition + line.getStartIndent();
-// renderLineArea(line);
-// currentBPPosition += line.getHeight();
-// }
-// }
-// }
-//
-// /**
-// * Renders a block area.
-// *
-// * @param block The block area
-// */
-// protected void renderBlock(Block block) {
-// List children = block.getChildAreas();
-// if (children == null) {
-// handleBlockTraits(block);
-// // simply move position
-// currentBPPosition += block.getHeight();
-// } else if (block instanceof BlockViewport) {
-// renderBlockViewport((BlockViewport) block, children);
-// } else {
-// // save position and offset
-// int saveIP = currentIPPosition;
-// int saveBP = currentBPPosition;
-//
-// if (block.getPositioning() == Block.ABSOLUTE) {
-// currentIPPosition = containingIPPosition + block.getXOffset();
-// currentBPPosition = containingBPPosition + block.getYOffset();
-//
-// handleBlockTraits(block);
-//
-// renderBlocks(block, children);
-//
-// // absolute blocks do not effect the layout
-// currentBPPosition = saveBP;
-// } else {
-// // relative blocks are offset
-// currentIPPosition += block.getXOffset();
-// currentBPPosition += block.getYOffset();
-//
-// handleBlockTraits(block);
-//
-// renderBlocks(block, children);
-//
-// // stacked and relative blocks effect stacking
-// currentBPPosition = saveBP + block.getHeight();
-// }
-// currentIPPosition = saveIP;
-// }
-// }
-//
-// /**
-// * Renders a line area. <p>
-// *
-// * A line area may have grouped styling for its children such as underline,
-// * background.</p>
-// *
-// * @param line The line area
-// */
-// protected void renderLineArea(LineArea line) {
-// List children = line.getInlineAreas();
-//
-// for (int count = 0; count < children.size(); count++) {
-// InlineArea inline = (InlineArea) children.get(count);
-// renderInlineArea(inline);
-// }
-// }
-//
-// protected void renderInlineArea(InlineArea inlineArea) {
-// if (inlineArea instanceof TextArea) {
-// renderText((TextArea) inlineArea);
-// } else if (inlineArea instanceof InlineParent) {
-// renderInlineParent((InlineParent) inlineArea);
-// } else if (inlineArea instanceof Space) {
-// renderInlineSpace((Space) inlineArea);
-// } else if (inlineArea instanceof Character) {
-// renderCharacter((Character) inlineArea);
-// } else if (inlineArea instanceof Viewport) {
-// renderViewport((Viewport) inlineArea);
-// } else if (inlineArea instanceof Leader) {
-// renderLeader((Leader) inlineArea);
-// }
-// }
-//
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderCharacter(Character ch) {
-// currentBlockIPPosition += ch.getWidth();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderInlineSpace(Space space) {
-// // an inline space moves the inline progression position
-// // for the current block by the width or height of the space
-// // it may also have styling (only on this object) that needs
-// // handling
-// currentBlockIPPosition += space.getWidth();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderLeader(Leader area) {
-// currentBlockIPPosition += area.getWidth();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderText(TextArea text) {
-// currentBlockIPPosition += text.getWidth();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderInlineParent(InlineParent ip) {
-// int saveIP = currentBlockIPPosition;
-// Iterator iter = ip.getChildAreas().iterator();
-// while (iter.hasNext()) {
-// renderInlineArea((InlineArea) iter.next());
-// }
-// currentBlockIPPosition = saveIP + ip.getWidth();
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// protected void renderViewport(Viewport viewport) {
-// Area content = viewport.getContent();
-// int saveBP = currentBPPosition;
-// currentBPPosition += viewport.getOffset();
-// Rectangle2D contpos = viewport.getContentPosition();
-// if (content instanceof Image) {
-// renderImage((Image) content, contpos);
-// } else if (content instanceof Container) {
-// renderContainer((Container) content);
-// } else if (content instanceof ForeignObject) {
-// renderForeignObject((ForeignObject) content, contpos);
-// }
-// currentBlockIPPosition += viewport.getWidth();
-// currentBPPosition = saveBP;
-// }
-//
-// /**
-// * Renders an image area.
-// *
-// * @param image The image
-// * @param pos The target position of the image
-// * (todo) Make renderImage() protected
-// */
-// public void renderImage(Image image, Rectangle2D pos) {
-// // Default: do nothing.
-// // Some renderers (ex. Text) don't support images.
-// }
-//
-// /** @see org.apache.fop.render.Renderer */
-// public void renderContainer(Container cont) {
-// int saveIP = currentIPPosition;
-// currentIPPosition = currentBlockIPPosition;
-// int saveBlockIP = currentBlockIPPosition;
-// int saveBP = currentBPPosition;
-//
-// List blocks = cont.getBlocks();
-// renderBlocks(null, blocks);
-// currentIPPosition = saveIP;
-// currentBlockIPPosition = saveBlockIP;
-// currentBPPosition = saveBP;
-// }
-//
-// /**
-// * Renders a foreign object area.
-// *
-// * @param fo The foreign object area
-// * @param pos The target position of the foreign object
-// * (todo) Make renderForeignObject() protected
-// */
-// public void renderForeignObject(ForeignObject fo, Rectangle2D pos) {
-// // Default: do nothing.
-// // Some renderers (ex. Text) don't support foreign objects.
-// }
-//
-// /**
-// * Set the default xml handler for the given mime type.
-// * @param mime MIME type
-// * @param handler XMLHandler to use
-// */
-// public void setDefaultXMLHandler(FOUserAgent foua, String mime,
-// XMLHandler handler) {
-// foua.defaults.put(mime, handler);
-// }
/**
* Add an xml handler for the given mime type and xml namespace.
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