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/*
* {{{ header & license
* Copyright (c) 2004, 2005 Joshua Marinacci
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* of the License, or (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
* }}}
*/
package com.openhtmltopdf.layout;
import java.awt.Font;
import java.awt.HeadlessException;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.util.HashMap;
import java.util.Map;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import com.openhtmltopdf.context.AWTFontResolver;
import com.openhtmltopdf.context.StyleReference;
import com.openhtmltopdf.css.style.CalculatedStyle;
import com.openhtmltopdf.css.style.EmptyStyle;
import com.openhtmltopdf.css.value.FontSpecification;
import com.openhtmltopdf.extend.FSCanvas;
import com.openhtmltopdf.extend.FontContext;
import com.openhtmltopdf.extend.FontResolver;
import com.openhtmltopdf.extend.NamespaceHandler;
import com.openhtmltopdf.extend.ReplacedElementFactory;
import com.openhtmltopdf.extend.TextRenderer;
import com.openhtmltopdf.extend.UserAgentCallback;
import com.openhtmltopdf.render.Box;
import com.openhtmltopdf.render.FSFont;
import com.openhtmltopdf.render.FSFontMetrics;
import com.openhtmltopdf.render.RenderingContext;
import com.openhtmltopdf.simple.extend.FormSubmissionListener;
import com.openhtmltopdf.swing.Java2DTextRenderer;
import com.openhtmltopdf.swing.SwingReplacedElementFactory;
import com.openhtmltopdf.util.XRLog;
/**
* The SharedContext is that which is kept between successive layout and render runs.
*
* @author empty
*/
public class SharedContext {
private TextRenderer text_renderer;
private String media;
private UserAgentCallback uac;
private boolean interactive = true;
private Map idMap;
/*
* used to adjust fonts, ems, points, into screen resolution
*/
/**
* Description of the Field
*/
private float dpi;
/**
* Description of the Field
*/
private final static int MM__PER__CM = 10;
/**
* Description of the Field
*/
private final static float CM__PER__IN = 2.54F;
/**
* dpi in a more usable way
*/
private float mm_per_dot;
private final static float DEFAULT_DPI = 72;
private boolean print;
private int dotsPerPixel = 1;
private Map styleMap;
private ReplacedElementFactory replacedElementFactory;
private Rectangle temp_canvas;
public SharedContext() {
}
/**
* Constructor for the Context object
*/
public SharedContext(UserAgentCallback uac) {
font_resolver = new AWTFontResolver();
replacedElementFactory = new SwingReplacedElementFactory();
setMedia("screen");
this.uac = uac;
setCss(new StyleReference(uac));
XRLog.render("Using CSS implementation from: " + getCss().getClass().getName());
setTextRenderer(new Java2DTextRenderer());
try {
setDPI(Toolkit.getDefaultToolkit().getScreenResolution());
} catch (HeadlessException e) {
setDPI(DEFAULT_DPI);
}
}
/**
* Constructor for the Context object
*/
public SharedContext(UserAgentCallback uac, FontResolver fr, ReplacedElementFactory ref, TextRenderer tr, float dpi) {
font_resolver = fr;
replacedElementFactory = ref;
setMedia("screen");
this.uac = uac;
setCss(new StyleReference(uac));
XRLog.render("Using CSS implementation from: " + getCss().getClass().getName());
setTextRenderer(tr);
setDPI(dpi);
}
public void setFormSubmissionListener(FormSubmissionListener fsl) {
replacedElementFactory.setFormSubmissionListener(fsl);
}
public LayoutContext newLayoutContextInstance() {
LayoutContext c = new LayoutContext(this);
return c;
}
public RenderingContext newRenderingContextInstance() {
RenderingContext c = new RenderingContext(this);
return c;
}
/*
=========== Font stuff ============== */
/**
* Gets the fontResolver attribute of the Context object
*
* @return The fontResolver value
*/
public FontResolver getFontResolver() {
return font_resolver;
}
public void flushFonts() {
font_resolver.flushCache();
}
/**
* Description of the Field
*/
protected FontResolver font_resolver;
/**
* The media for this context
*/
public String getMedia() {
return media;
}
/**
* Description of the Field
*/
protected StyleReference css;
/**
* Description of the Field
*/
protected boolean debug_draw_boxes;
/**
* Description of the Field
*/
protected boolean debug_draw_line_boxes;
protected boolean debug_draw_inline_boxes;
protected boolean debug_draw_font_metrics;
/**
* Description of the Field
*/
protected FSCanvas canvas;
/*
* selection management code
*/
/**
* Description of the Field
*/
protected Box selection_start, selection_end;
/**
* Description of the Field
*/
protected int selection_end_x, selection_start_x;
/**
* Description of the Field
*/
protected boolean in_selection = false;
public TextRenderer getTextRenderer() {
return text_renderer;
}
/**
* Description of the Method
*
* @return Returns
*/
public boolean debugDrawBoxes() {
return debug_draw_boxes;
}
/**
* Description of the Method
*
* @return Returns
*/
public boolean debugDrawLineBoxes() {
return debug_draw_line_boxes;
}
/**
* Description of the Method
*
* @return Returns
*/
public boolean debugDrawInlineBoxes() {
return debug_draw_inline_boxes;
}
public boolean debugDrawFontMetrics() {
return debug_draw_font_metrics;
}
public void setDebug_draw_boxes(boolean debug_draw_boxes) {
this.debug_draw_boxes = debug_draw_boxes;
}
public void setDebug_draw_line_boxes(boolean debug_draw_line_boxes) {
this.debug_draw_line_boxes = debug_draw_line_boxes;
}
public void setDebug_draw_inline_boxes(boolean debug_draw_inline_boxes) {
this.debug_draw_inline_boxes = debug_draw_inline_boxes;
}
public void setDebug_draw_font_metrics(boolean debug_draw_font_metrics) {
this.debug_draw_font_metrics = debug_draw_font_metrics;
}
/*
=========== Selection Management ============== */
public StyleReference getCss() {
return css;
}
public void setCss(StyleReference css) {
this.css = css;
}
public FSCanvas getCanvas() {
return canvas;
}
public void setCanvas(FSCanvas canvas) {
this.canvas = canvas;
}
public void set_TempCanvas(Rectangle rect) {
this.temp_canvas = rect;
}
public Rectangle getFixedRectangle() {
//Uu.p("this = " + canvas);
if (getCanvas() == null) {
return this.temp_canvas;
} else {
Rectangle rect = getCanvas().getFixedRectangle();
rect.translate(getCanvas().getX(), getCanvas().getY());
return rect;
}
}
private NamespaceHandler namespaceHandler;
public void setNamespaceHandler(NamespaceHandler nh) {
namespaceHandler = nh;
}
public NamespaceHandler getNamespaceHandler() {
return namespaceHandler;
}
public void addBoxId(String id, Box box) {
if (idMap == null) {
idMap = new HashMap();
}
idMap.put(id, box);
}
public Box getBoxById(String id) {
if (idMap == null) {
idMap = new HashMap();
}
return (Box) idMap.get(id);
}
public void removeBoxId(String id) {
if (idMap != null) {
idMap.remove(id);
}
}
public Map getIdMap()
{
return idMap;
}
/**
* Sets the textRenderer attribute of the RenderingContext object
*
* @param text_renderer The new textRenderer value
*/
public void setTextRenderer(TextRenderer text_renderer) {
this.text_renderer = text_renderer;
}// = "screen";
/**
*
*
* Set the current media type. This is usually something like screen
* or print . See the
* media section of the CSS 2.1 spec for more information on media
* types.
*
* @param media The new media value
*/
public void setMedia(String media) {
this.media = media;
}
/**
* Gets the uac attribute of the RenderingContext object
*
* @return The uac value
*/
public UserAgentCallback getUac() {
return uac;
}
public UserAgentCallback getUserAgentCallback() {
return uac;
}
public void setUserAgentCallback(UserAgentCallback userAgentCallback) {
StyleReference styleReference = getCss();
if (styleReference != null) {
styleReference.setUserAgentCallback(userAgentCallback);
}
uac = userAgentCallback;
}
/**
* Gets the dPI attribute of the RenderingContext object
*
* @return The dPI value
*/
public float getDPI() {
return this.dpi;
}
/**
* Sets the effective DPI (Dots Per Inch) of the screen. You should normally
* never need to override the dpi, as it is already set to the system
* default by Toolkit.getDefaultToolkit().getScreenResolution()
* . You can override the value if you want to scale the fonts for
* accessibility or printing purposes. Currently the DPI setting only
* affects font sizing.
*
* @param dpi The new dPI value
*/
public void setDPI(float dpi) {
this.dpi = dpi;
this.mm_per_dot = (CM__PER__IN * MM__PER__CM) / dpi;
}
/**
* Gets the dPI attribute in a more useful form of the RenderingContext object
*
* @return The dPI value
*/
public float getMmPerPx() {
return this.mm_per_dot;
}
public FSFont getFont(FontSpecification spec) {
return getFontResolver().resolveFont(this, spec);
}
//strike-through offset should always be half of the height of lowercase x...
//and it is defined even for fonts without 'x'!
public float getXHeight(FontContext fontContext, FontSpecification fs) {
FSFont font = getFontResolver().resolveFont(this, fs);
FSFontMetrics fm = getTextRenderer().getFSFontMetrics(fontContext, font, " ");
float sto = fm.getStrikethroughOffset();
return fm.getAscent() - 2 * Math.abs(sto) + fm.getStrikethroughThickness();
}
/**
* Gets the baseURL attribute of the RenderingContext object
*
* @return The baseURL value
*/
public String getBaseURL() {
return uac.getBaseURL();
}
/**
* Sets the baseURL attribute of the RenderingContext object
*
* @param url The new baseURL value
*/
public void setBaseURL(String url) {
uac.setBaseURL(url);
}
/**
* Returns true if the currently set media type is paged. Currently returns
* true only for print , projection , and embossed ,
* handheld , and tv . See the media section of the CSS
* 2.1 spec for more information on media types.
*
* @return The paged value
*/
public boolean isPaged() {
if (media.equals("print")) {
return true;
}
if (media.equals("projection")) {
return true;
}
if (media.equals("embossed")) {
return true;
}
if (media.equals("handheld")) {
return true;
}
if (media.equals("tv")) {
return true;
}
return false;
}
public boolean isInteractive() {
return interactive;
}
public void setInteractive(boolean interactive) {
this.interactive = interactive;
}
public boolean isPrint() {
return print;
}
public void setPrint(boolean print) {
this.print = print;
if (print) {
setMedia("print");
} else {
setMedia("screen");
}
}
/**
*
*
* Adds or overrides a font mapping, meaning you can associate a particular
* font with a particular string. For example, the following would load a
* font out of the cool.ttf file and associate it with the name CoolFont
* :
*
*
* Font font = Font.createFont(Font.TRUETYPE_FONT,
* new FileInputStream("cool.ttf");
* setFontMapping("CoolFont", font);
*
*
*
*
* You could then put the following css in your page
* p { font-family: CoolFont Arial sans-serif; }
*
*
*
*
* You can also override existing font mappings, like replacing Arial with
* Helvetica.
*
* @param name The new font name
* @param font The actual Font to map
*/
/*
* add a new font mapping, or replace an existing one
*/
public void setFontMapping(String name, Font font) {
FontResolver resolver = getFontResolver();
if (resolver instanceof AWTFontResolver) {
((AWTFontResolver)resolver).setFontMapping(name, font);
}
}
public void setFontResolver(FontResolver resolver) {
font_resolver = resolver;
}
public int getDotsPerPixel() {
return dotsPerPixel;
}
public void setDotsPerPixel(int pixelsPerDot) {
this.dotsPerPixel = pixelsPerDot;
}
public CalculatedStyle getStyle(Element e) {
return getStyle(e, false);
}
public CalculatedStyle getStyle(Element e, boolean restyle) {
if (styleMap == null) {
styleMap = new HashMap(1024, 0.75f);
}
CalculatedStyle result = null;
if (! restyle) {
result = (CalculatedStyle)styleMap.get(e);
}
if (result == null) {
Node parent = e.getParentNode();
CalculatedStyle parentCalculatedStyle;
if (parent instanceof Document) {
parentCalculatedStyle = new EmptyStyle();
} else {
parentCalculatedStyle = getStyle((Element)parent, false);
}
result = parentCalculatedStyle.deriveStyle(getCss().getCascadedStyle(e, restyle));
styleMap.put(e, result);
}
return result;
}
public void reset() {
styleMap = null;
idMap = null;
replacedElementFactory.reset();
}
public ReplacedElementFactory getReplacedElementFactory() {
return replacedElementFactory;
}
public void setReplacedElementFactory(ReplacedElementFactory ref) {
if (ref == null) {
throw new NullPointerException("replacedElementFactory may not be null");
}
if (this.replacedElementFactory != null) {
this.replacedElementFactory.reset();
}
this.replacedElementFactory = ref;
}
public void removeElementReferences(Element e) {
String id = namespaceHandler.getID(e);
if (id != null && id.length() > 0) {
removeBoxId(id);
}
if (styleMap != null) {
styleMap.remove(e);
}
getCss().removeStyle(e);
getReplacedElementFactory().remove(e);
if (e.hasChildNodes()) {
NodeList children = e.getChildNodes();
for (int i = 0; i < children.getLength(); i++) {
Node child = children.item(i);
if (child.getNodeType() == Node.ELEMENT_NODE) {
removeElementReferences((Element)child);
}
}
}
}
}
/*
*
* $Log$
* Revision 1.46 2009/05/08 12:22:30 pdoubleya
* Merge Vianney's SWT branch to trunk. Passes regress.verify and browser still works :).
*
* Revision 1.42 2008/01/22 00:29:24 peterbrant
* Need to propagate changes to user agent in SharedContext to containing StyleReference
*
* Revision 1.41 2007/08/19 22:22:52 peterbrant
* Merge R8pbrant changes to HEAD
*
* Revision 1.39.2.2 2007/08/07 17:06:30 peterbrant
* Implement named pages / Implement page-break-before/after: left/right / Experiment with efficient selection
*
* Revision 1.39.2.1 2007/07/04 14:12:33 peterbrant
* Permit a custom user agent with rendering to PDF
*
* Revision 1.39 2007/05/26 19:04:13 peterbrant
* Implement support for removing all references to a particular Element (in order to support limited dynamic DOM changes)
*
* Revision 1.38 2007/04/16 20:56:49 pdoubleya
* New image rendering based on PDF rendering approach. Hacked small change in SharedContext which is dependent on panel for sizing, currently.
*
* Revision 1.37 2007/04/02 17:08:36 peterbrant
* Improve method name
*
* Revision 1.36 2007/04/02 16:56:20 peterbrant
* Maintain ReplacedElementFactory across layout runs (to allow component caching to work) / Add reset() to ReplacedElementFactory to allow implementations to clean up after navigating away from a page
*
* Revision 1.35 2007/03/17 22:55:51 peterbrant
* Remove distinction between box IDs and named anchors
*
* Revision 1.34 2007/02/22 15:30:43 peterbrant
* Internal links should be able to target block boxes too (plus other minor cleanup)
*
* Revision 1.33 2007/02/20 17:07:13 peterbrant
* Clean up ex calculation
*
* Revision 1.32 2007/02/07 16:33:35 peterbrant
* Initial commit of rewritten table support and associated refactorings
*
* Revision 1.31 2006/08/29 17:29:10 peterbrant
* Make Style object a thing of the past
*
* Revision 1.30 2006/08/27 00:35:38 peterbrant
* Initial commit of (initial) R7 work
*
* Revision 1.29 2006/03/01 00:42:52 peterbrant
* Provide ability to remove named anchors
*
* Revision 1.28 2006/02/28 01:31:36 peterbrant
* Add ability to define PDF bookmarks in header
*
* Revision 1.27 2006/02/02 19:25:20 peterbrant
* Fix (silly) field name mistake
*
* Revision 1.26 2006/02/02 13:04:34 peterbrant
* Make "dots" the fundamental unit of measure, pixels are now some number of dots
*
* Revision 1.25 2006/02/01 01:30:12 peterbrant
* Initial commit of PDF work
*
* Revision 1.24 2006/01/27 01:15:30 peterbrant
* Start on better support for different output devices
*
* Revision 1.23 2006/01/01 02:38:15 peterbrant
* Merge more pagination work / Various minor cleanups
*
* Revision 1.22 2005/12/28 00:50:49 peterbrant
* Continue ripping out first try at pagination / Minor method name refactoring
*
* Revision 1.21 2005/12/21 02:36:26 peterbrant
* - Calculate absolute positions incrementally (prep work for pagination)
* - Light cleanup
* - Fix bug where floats nested in floats could cause the outer float to be positioned in the wrong place
*
* Revision 1.20 2005/12/07 20:34:46 peterbrant
* Remove unused fields/methods from RenderingContext / Paint line content using absolute coords (preparation for relative inline layers)
*
* Revision 1.19 2005/11/08 01:53:49 tobega
* Corrected x-height and line-through by taking StrikethroughThickness into account.
*
* Revision 1.18 2005/10/27 00:09:01 tobega
* Sorted out Context into RenderingContext and LayoutContext
*
* Revision 1.17 2005/09/29 21:34:03 joshy
* minor updates to a lot of files. pulling in more incremental rendering code.
* fixed another resize bug
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.16 2005/09/27 23:48:39 joshy
* first merge of basicpanel reworking and incremental layout. more to come.
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.15 2005/07/18 17:53:32 joshy
* fixed anchor jumping
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.14 2005/07/02 07:26:59 joshy
* better support for jumping to anchor tags
* also some testing for the resize issue
* need to investigate making the history remember document position.
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.13 2005/06/22 23:48:45 tobega
* Refactored the css package to allow a clean separation from the core.
*
* Revision 1.12 2005/06/16 07:24:51 tobega
* Fixed background image bug.
* Caching images in browser.
* Enhanced LinkListener.
* Some house-cleaning, playing with Idea's code inspection utility.
*
* Revision 1.11 2005/05/08 14:36:57 tobega
* Refactored away the need for having a context in a CalculatedStyle
*
* Revision 1.10 2005/03/24 23:12:56 pdoubleya
* EmptyStyle now takes SC in constructor.
*
* Revision 1.9 2005/01/29 20:19:24 pdoubleya
* Clean/reformat code. Removed commented blocks, checked copyright.
*
* Revision 1.8 2005/01/13 00:48:46 tobega
* Added preparation of values for a form submission
*
* Revision 1.7 2005/01/08 11:55:17 tobega
* Started massaging the extension interfaces
*
* Revision 1.6 2005/01/05 17:56:35 tobega
* Reduced memory more, especially by using WeakHashMap for caching Mappers. Look over other caching to use similar schemes (cache when memory available).
*
* Revision 1.5 2005/01/05 01:10:15 tobega
* Went wild with code analysis tool. removed unused stuff. Lucky we have CVS...
*
* Revision 1.4 2005/01/02 12:22:19 tobega
* Cleaned out old layout code
*
* Revision 1.3 2005/01/02 01:00:09 tobega
* Started sketching in code for handling replaced elements in the NamespaceHandler
*
* Revision 1.2 2005/01/01 08:09:20 tobega
* Now using entirely static methods for render. Need to implement table. Need to clean.
*
* Revision 1.1 2004/12/29 10:39:33 tobega
* Separated current state Context into LayoutContext and the rest into SharedContext.
*
* Revision 1.40 2004/12/29 07:35:38 tobega
* Prepared for cloned Context instances by encapsulating fields
*
* Revision 1.39 2004/12/28 01:48:23 tobega
* More cleaning. Magically, the financial report demo is starting to look reasonable, without any effort being put on it.
*
* Revision 1.38 2004/12/27 09:40:47 tobega
* Moved more styling to render stage. Now inlines have backgrounds and borders again.
*
* Revision 1.37 2004/12/27 07:43:31 tobega
* Cleaned out border from box, it can be gotten from current style. Is it maybe needed for dynamic stuff?
*
* Revision 1.36 2004/12/16 17:22:25 joshy
* minor code cleanup
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.35 2004/12/16 17:10:41 joshy
* fixed box bug
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.34 2004/12/14 02:28:48 joshy
* removed some comments
* some bugs with the backgrounds still
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.33 2004/12/14 01:56:23 joshy
* fixed layout width bugs
* fixed extra border on document bug
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.32 2004/12/13 15:15:57 joshy
* fixed bug where inlines would pick up parent styles when they aren't supposed to
* fixed extra Xx's in printed text
* added conf boolean to turn on box outlines
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.31 2004/12/12 03:32:58 tobega
* Renamed x and u to avoid confusing IDE. But that got cvs in a twist. See if this does it
*
* Revision 1.30 2004/12/11 23:36:48 tobega
* Progressing on cleaning up layout and boxes. Still broken, won't even compile at the moment. Working hard to fix it, though.
*
* Revision 1.29 2004/12/11 18:18:10 tobega
* Still broken, won't even compile at the moment. Working hard to fix it, though. Replace the StyleReference interface with our only concrete implementation, it was a bother changing in two places all the time.
*
* Revision 1.28 2004/12/10 06:51:02 tobega
* Shamefully, I must now check in painfully broken code. Good news is that Layout is much nicer, and we also handle :before and :after, and do :first-line better than before. Table stuff must be brought into line, but most needed is to fix Render. IMO Render should work with Boxes and Content. If Render goes for a node, that is wrong.
*
* Revision 1.27 2004/12/05 05:22:35 joshy
* fixed NPEs in selection listener
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.26 2004/12/02 15:50:58 joshy
* added debugging
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.25 2004/12/01 14:02:52 joshy
* modified media to use the value from the rendering context
* added the inline-block box
* - j
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.24 2004/11/30 20:28:27 joshy
* support for multiple floats on a single line.
*
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.23 2004/11/28 23:29:02 tobega
* Now handles media on Stylesheets, still need to handle at-media-rules. The media-type should be set in Context.media (set by default to "screen") before calling setContext on StyleReference.
*
* Revision 1.22 2004/11/18 14:12:44 joshy
* added whitespace test
* cleaned up some code, spacing, and comments
*
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.21 2004/11/18 02:58:06 joshy
* collapsed the font resolver and font resolver test into one class, and removed
* the other
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.20 2004/11/17 14:58:18 joshy
* added actions for font resizing
*
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.19 2004/11/16 07:25:12 tobega
* Renamed HTMLPanel to BasicPanel
*
* Revision 1.18 2004/11/14 21:33:47 joshy
* new font rendering interface support
* Issue number:
* Obtained from:
* Submitted by:
* Reviewed by:
*
* Revision 1.17 2004/11/14 16:40:58 joshy
* refactored layout factory
*
* Issue number:
* Obtained from:
* Submitted by:
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* Revision 1.16 2004/11/14 06:26:39 joshy
* added better detection for width problems. should avoid most
* crashes
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* Revision 1.15 2004/11/12 22:02:00 joshy
* initial support for mouse copy selection
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* Revision 1.14 2004/11/12 17:05:24 joshy
* support for fixed positioning
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* Revision 1.13 2004/11/12 02:54:38 joshy
* removed more dead code
* Issue number:
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* Revision 1.11 2004/11/12 02:47:33 joshy
* moved baseurl to rendering context
* Issue number:
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* Revision 1.9 2004/11/10 17:28:54 joshy
* initial support for anti-aliased text w/ minium
*
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* Revision 1.8 2004/11/09 00:36:08 joshy
* fixed more text alignment
* added menu item to show font metrics
*
* Issue number:
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* Revision 1.7 2004/11/08 16:56:51 joshy
* added first-line pseudo-class support
*
* Issue number:
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* Revision 1.6 2004/11/03 23:54:33 joshy
* added hamlet and tables to the browser
* more support for absolute layout
* added absolute layout unit tests
* removed more dead code and moved code into layout factory
*
*
* Issue number:
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* Revision 1.5 2004/11/03 15:17:04 joshy
* added intial support for absolute positioning
*
* Issue number:
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* Revision 1.4 2004/11/02 20:44:55 joshy
* put in some prep work for float support
* removed some dead debugging code
* moved isBlock code to LayoutFactory
*
* Issue number:
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* Revision 1.3 2004/10/23 13:46:46 pdoubleya
* Re-formatted using JavaStyle tool.
* Cleaned imports to resolve wildcards except for common packages (java.io, java.util, etc).
* Added CVS log comments at bottom.
*
*
*/
