/** The maximum <i>defined</i> width and height of this box */
public static final int dmax = 0;
- private short _dmax_0 = 0;
- private short _dmax_1 = 0;
- public final short dmax(int axis) { return axis == 0 ? _dmax_0 : _dmax_1; }
+ private int _dmax_0 = 0;
+ private int _dmax_1 = 0;
+ public final int dmax(int axis) { return axis == 0 ? _dmax_0 : _dmax_1; }
/** The minimum <i>defined</i> width and height of this box */
public static final int dmin = 1;
- private short _dmin_0 = 0;
- private short _dmin_1 = 0;
- public final short dmin(int axis) { return axis == 0 ? _dmin_0 : _dmin_1; }
+ private int _dmin_0 = 0;
+ private int _dmin_1 = 0;
+ public final int dmin(int axis) { return axis == 0 ? _dmin_0 : _dmin_1; }
/** The minimum <i>calculated</i> width and height of this box -- unlike dmin, this takes childrens' sizes into account */
public static final int cmin = 2;
- private short _cmin_0 = 0;
- private short _cmin_1 = 0;
- public final short cmin(int axis) { return axis == 0 ? _cmin_0 : _cmin_1; }
+ private int _cmin_0 = 0;
+ private int _cmin_1 = 0;
+ public final int cmin(int axis) { return axis == 0 ? _cmin_0 : _cmin_1; }
/** The position of this box, relitave to the parent */
public static final int abs = 3;
- private short _abs_0 = 0;
- private short _abs_1 = 0;
- public final short abs(int axis) { return axis == 0 ? _abs_0 : _abs_1; }
+ private int _abs_0 = 0;
+ private int _abs_1 = 0;
+ public final int abs(int axis) { return axis == 0 ? _abs_0 : _abs_1; }
/** The absolute position of this box (ie relitave to the root); set by the parent */
public static final int pos = 4;
- private short _pos_0 = 0;
- private short _pos_1 = 0;
- public final short pos(int axis) { return axis == 0 ? _pos_0 : _pos_1; }
+ private int _pos_0 = 0;
+ private int _pos_1 = 0;
+ public final int pos(int axis) { return axis == 0 ? _pos_0 : _pos_1; }
/** The actual size of this box; set by the parent. */
public static final int size = 5;
- short _size_0 = 0;
- short _size_1 = 0;
- public final short size(int axis) { return axis == 0 ? _size_0 : _size_1; }
+ int _size_0 = 0;
+ int _size_1 = 0;
+ public final int size(int axis) { return axis == 0 ? _size_0 : _size_1; }
/** The old actual absolute position of this box (ie relitave to the root) */
public static final int oldpos = 6;
- private short _oldpos_0 = 0;
- private short _oldpos_1 = 0;
- public final short oldpos(int axis) { return axis == 0 ? _oldpos_0 : _oldpos_1; }
+ private int _oldpos_0 = 0;
+ private int _oldpos_1 = 0;
+ public final int oldpos(int axis) { return axis == 0 ? _oldpos_0 : _oldpos_1; }
/** The old actual size of this box */
public static final int oldsize = 7;
- private short _oldsize_0 = 0;
- private short _oldsize_1 = 0;
- public final short oldsize(int axis) { return axis == 0 ? _oldsize_0 : _oldsize_1; }
+ private int _oldsize_0 = 0;
+ private int _oldsize_1 = 0;
+ public final int oldsize(int axis) { return axis == 0 ? _oldsize_0 : _oldsize_1; }
/** The padding along each edge for this box */
public static final int pad = 8;
- private short _pad_0 = 0;
- private short _pad_1 = 0;
- public final short pad(int axis) { return axis == 0 ? _pad_0 : _pad_1; }
+ private int _pad_0 = 0;
+ private int _pad_1 = 0;
+ public final int pad(int axis) { return axis == 0 ? _pad_0 : _pad_1; }
/** The dimensions of the text in this box */
public static final int textdim = 9;
- private short _textdim_0 = 0;
- private short _textdim_1 = 0;
- public final short textdim(int axis) { return axis == 0 ? _textdim_0 : _textdim_1; }
+ private int _textdim_0 = 0;
+ private int _textdim_1 = 0;
+ public final int textdim(int axis) { return axis == 0 ? _textdim_0 : _textdim_1; }
// Instance Data /////////////////////////////////////////////////////////////////
public Hash traps = null;
+ // Vector Support /////////////////////////////////////////////////////////////////////
+
+ /** The SVG path for this node */
+ public String path = null;
+
+ /** The affine multiplied by the CTM *before* this element and its children are processed */
+ public SVG.Affine transform = null;
+
+
// Instance Data: IndexOf ////////////////////////////////////////////////////////////
/** The indexof() Function; created lazily */
// Methods which enforce/preserve invariants ////////////////////////////////////////////
/** This method MUST be used to change geometry values -- it ensures that certain invariants are preserved. */
- public final void set(int which, int axis, int newvalue) { set(which, axis, (short)newvalue); }
- public final void set(int which, int axis, short newvalue) {
+ public final void set(int which, int axis, int newvalue) {
// if this Box is the root of the Surface, notify the Surface of size changes
if (getParent() == null && surface != null && which == size)
if (which == dmin) set(size, axis, max(size(axis), newvalue));
if (which == dmax) set(size, axis, min(size(axis), newvalue));
- // keep obedience to shrink directives
- if (which == cmin || which == textdim || which == pad || which == dmin)
- if ((hshrink && axis == 0) || (vshrink && axis == 1))
- set(dmax, axis, max(cmin(axis), (textdim(axis) + 2 * pad(axis)), dmin(axis)));
-
// keep cmin in line with dmin/dmax/textdim
if (which == dmax || which == dmin || which == textdim || which == pad || which == cmin)
set(cmin, axis,
max(
- min(cmin(axis), dmax(axis)),
+ min(dmax(axis), cmin(axis)),
dmin(axis),
min(dmax(axis), textdim(axis) + 2 * pad(axis))
)
/** Ensures that cmin is in sync with the cmin's of our children. This should be called whenever a child is added or
* removed, as well as when our pad is changed. */
final void sync_cmin_to_children() {
- short co = (short)(2 * pad(o));
- short cxo = (short)(2 * pad(xo));
+ int co = (int)(2 * pad(o));
+ int cxo = (int)(2 * pad(xo));
for(Box bt = getChild(0); bt != null; bt = bt.nextSibling()) {
if (bt.invisible || bt.absolute) continue;
co += bt.cmin(o);
- cxo = (short)max(bt.cmin(xo) + 2 * pad(xo), cxo);
+ cxo = (int)max(bt.cmin(xo) + 2 * pad(xo), cxo);
}
set(cmin, o, co);
}
/** loads the image described by string str, possibly blocking for a network load */
- private static ImageDecoder getImage(String str) {
- ImageDecoder ret = null;
+ static ImageDecoder getImage(String str, final Function callback) {
boolean ispng = false;
if (str.indexOf(':') == -1) {
if (str.endsWith(".jpeg") || str.endsWith(".jpg"))
str = "http://xmlrpc.xwt.org/jpeg2png/" + str.substring(str.indexOf("//") + 2);
- if (str.endsWith(".gif")) ret = GIF.decode(new HTTP(str).getInputStream(), str);
- else ret = PNG.decode(new HTTP(str).getInputStream(), str);
- return ret;
+ HTTP http = new HTTP(str);
+ final HTTP.HTTPInputStream in = http.GET();
+ final int contentLength = in.getContentLength();
+ InputStream is = new FilterInputStream(in) {
+ int bytesDownloaded = 0;
+ boolean clear = true;
+ public int read() throws IOException {
+ bytesDownloaded++;
+ return super.read();
+ }
+ public int read(byte[] b, int off, int len) throws IOException {
+ int ret = super.read(b, off, len);
+ if (ret != -1) bytesDownloaded += ret;
+ if (clear && callback != null) {
+ clear = false;
+ ThreadMessage.newthread(new JSObject.JSFunction() {
+ public Object call(Context cx, Scriptable thisObj, Scriptable ctorObj, Object[] args) throws JavaScriptException {
+ try {
+ callback.call(cx, null, null, new Object[] {
+ new Double(bytesDownloaded), new Double(contentLength) });
+ } finally {
+ clear = true;
+ }
+ return null;
+ }
+ });
+ }
+ return ret;
+ }
+ };
+
+ if (str.endsWith(".gif")) return GIF.decode(is, str);
+ else return PNG.decode(is, str);
} catch (IOException e) {
if (Log.on) Log.log(Box.class, "error while trying to load an image from " + str);
Picture ret = null;
ret = (Picture)pictureCache.get(os);
if (ret != null) return ret;
- ImageDecoder id = getImage(os);
+ ImageDecoder id = getImage(os, null);
if (id == null) return null;
ret = Platform.createPicture(id);
pictureCache.put(os, ret);
} else {
border = (Picture[])bordercache.get(s);
if (border == null) {
- ImageDecoder id = getImage(s);
+ ImageDecoder id = getImage(s, null);
if (id == null) {
if (Log.on) Log.log(this, "unable to load border image " + s + " at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
}
/** creates a new box from an anonymous template; <tt>ids</tt> is passed through to Template.apply() */
- Box(Template anonymous, Vec pboxes, Vec ptemplates) {
+ Box(Template anonymous, Vec pboxes, Vec ptemplates, Function callback, int numerator, int denominator) {
super(true);
- set(dmax, 0, Short.MAX_VALUE);
- set(dmax, 1, Short.MAX_VALUE);
+ set(dmax, 0, Integer.MAX_VALUE);
+ set(dmax, 1, Integer.MAX_VALUE);
template = anonymous;
- template.apply(this, pboxes, ptemplates);
+ template.apply(this, pboxes, ptemplates, callback, numerator, denominator);
templatename = null;
importlist = null;
}
/** creates a new box from an unresolved templatename and an importlist; use "box" for an untemplatized box */
- public Box(String templatename, String[] importlist) {
+ public Box(String templatename, String[] importlist) { this(templatename, importlist, null); }
+ public Box(String templatename, String[] importlist, Function callback) {
super(true);
- set(dmax, 0, Short.MAX_VALUE);
- set(dmax, 1, Short.MAX_VALUE);
+ set(dmax, 0, Integer.MAX_VALUE);
+ set(dmax, 1, Integer.MAX_VALUE);
this.importlist = importlist;
- template = "box".equals(templatename) ? null : Template.getTemplate(templatename, importlist);
- this.templatename = templatename;
+ if (!"box".equals(templatename)) {
+ template = Template.getTemplate(templatename, importlist);
+ if (template == null)
+ if (Log.on) Log.log(this, "couldn't find template \"" + templatename + "\"");
+ }
if (template != null) {
- template.apply(this, null, null);
+ this.templatename = templatename;
+ template.apply(this, null, null, callback, 0, template.numUnits());
if (redirect == this && !"self".equals(template.redirect)) redirect = null;
}
}
/** Checks if the Box's size has changed, dirties it if necessary, and makes sure childrens' sizes are up to date */
void prerender() {
+ if (invisible) return;
+
if (getParent() == null) {
set(pos, 0, 0);
set(pos, 1, 0);
for(Box bt = getChild(0); bt != null; bt = bt.nextSibling()) {
if (bt.invisible) continue;
if (bt.absolute) {
- bt.set(size, o, max(bt.cmin(o), min(size(o) - bt.abs(o) - pad(o), bt.dmax(o))));
- bt.set(size, xo, max(bt.cmin(xo), min(size(xo) - bt.abs(xo) - pad(xo), bt.dmax(xo))));
+ bt.set(size, 0, bt.hshrink ? bt.cmin(0) : max(bt.cmin(0), min(size(0) - bt.abs(0) - pad(0), bt.dmax(0))));
+ bt.set(size, 1, bt.vshrink ? bt.cmin(1) : max(bt.cmin(1), min(size(1) - bt.abs(1) - pad(1), bt.dmax(1))));
} else if (xo == 0 && bt.hshrink || xo == 1 && bt.vshrink) {
bt.set(size, xo, bt.cmin(xo));
} else {
for(Box bt = getChild(0); bt != null; bt = bt.nextSibling()) {
if (bt.absolute || bt.invisible) continue;
- bt.set(size, o, bound(bt.cmin(o), factor * bt.flex, bt.dmax(o)));
+ int btmax = (o == 0 && bt.hshrink) || (o == 1 && bt.vshrink) ? bt.cmin(o) : bt.dmax(o);
+ bt.set(size, o, bound(bt.cmin(o), factor * bt.flex, btmax));
total += bt.size(o);
if (factor * bt.flex < bt.cmin(o) && bt.size(o) == bt.cmin(o)) {
nextjoint = min(nextjoint, divide_round_up(bt.cmin(o), bt.flex));
- } else if (bt.size(o) < bt.dmax(o)) {
+ } else if (bt.size(o) < btmax) {
remaining_flex += bt.flex;
- nextjoint = min(nextjoint, divide_round_up(bt.dmax(o), bt.flex));
+ nextjoint = min(nextjoint, divide_round_up(btmax, bt.flex));
}
}
// arbitrarily distribute out any leftovers resulting from rounding errors
int last = 0;
- while(goal > total && total != last) {
+ while(goal != total && total != last) {
last = total;
for(Box bt = getChild(0); bt != null; bt = bt.nextSibling()) {
- int newsize = bound(bt.cmin(o), bt.size(o) + 1, bt.dmax(o));
+ int btmax = (o == 0 && bt.hshrink) || (o == 1 && bt.vshrink) ? bt.cmin(o) : bt.dmax(o);
+ int newsize = bound(bt.cmin(o), bt.size(o) + (goal > total ? 1 : -1), btmax);
total += newsize - bt.size(o);
bt.set(size, o, newsize);
}
// Rendering Pipeline /////////////////////////////////////////////////////////////////////
/** Renders self and children within the specified region. All rendering operations are clipped to xIn,yIn,wIn,hIn */
- void render(int xIn, int yIn, int wIn, int hIn, DoubleBuffer buf) {
+ void render(int xIn, int yIn, int wIn, int hIn, DoubleBuffer buf) { render(xIn, yIn, wIn, hIn, buf, null); }
+ void render(int xIn, int yIn, int wIn, int hIn, DoubleBuffer buf, SVG.Affine ctm) {
if (surface.abort || invisible) return;
// intersect the x,y,w,h rendering window with ourselves; quit if it's empty
int y1 = max(y, pos(1) + bh);
int x2 = min(x + w, pos(0) + size(0) - bw);
int y2 = min(y + h, pos(1) + size(1) - bh);
- buf.setClip(0, 0, buf.getWidth(), buf.getHeight());
if (y2 - y1 > 0 && x2 - x1 > 0)
buf.fillRect(x1,y1,x2,y2,(color & 0xFF000000) != 0 ? color : SpecialBoxProperty.lightGray);
}
else renderStretchedImage(x, y, w, h, buf);
}
+ // FIXME: this should go at the top of this method
+ SVG.Affine ctm_;
+ if (transform != null) {
+ if (ctm == null) ctm = SVG.Affine.identity();
+ ctm_ = ctm.copy();
+ ctm_.multiply(transform);
+ } else {
+ ctm_ = ctm;
+ }
+
+ if (path != null) {
+ SVG.VP vp = SVG.VP.fromString(path);
+ if (ctm_ != null) vp.multiply(ctm_);
+ vp.sort();
+ vp.fill(buf, null, 0xFFFF0000, null);
+ vp.stroke(buf, 100, textcolor, false);
+ }
+
if (text != null && !text.equals("")) renderText(x, y, w, h, buf);
// now subtract the pad region from the clip region before proceeding
int h2 = min(y + h, pos(1) + size(1) - pad(1)) - y2;
for(Box b = getChild(0); b != null; b = b.nextSibling())
- b.render(x2, y2, w2, h2, buf);
+ b.render(x2, y2, w2, h2, buf, ctm_);
}
private void renderBorder(int x, int y, int w, int h, DoubleBuffer buf) {
* WARNING: O(n) runtime, unless i == numChildren()
*/
public void put(int i, Scriptable start, Object value) {
- if (value == null) {
- if (i >= 0 && i < numChildren()) getChild(i).remove();
- return;
- }
- if (value instanceof RootProxy) {
- if (Log.on) Log.log(this, "attempt to reparent a box via its proxy object at " +
- Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- } else if (!(value instanceof Box)) {
+
+ if (value != null && !(value instanceof Box)) {
if (Log.on) Log.log(this, "attempt to set a numerical property on a box to anything other than a box at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- }
- Box newnode = (Box)value;
- if (redirect == null) {
- if (Log.on) Log.log(this, "attempt to add a child to a node with a null redirect at " +
+
+ } else if (redirect == null) {
+ if (Log.on) Log.log(this, "attempt to add/remove children to/from a node with a null redirect at " +
Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
- return;
- } else if (redirect != this) redirect.put(i, null, newnode);
- else {
+
+ } else if (redirect != this) {
+ Box b = value == null ? (Box)redirect.get(i, null) : (Box)value;
+ redirect.put(i, null, value);
+ put("0", null, b);
+
+ } else if (value == null) {
+ if (i >= 0 && i < numChildren()) {
+ Box b = getChild(i);
+ b.remove();
+ put("0", null, b);
+ }
+
+ } else if (value instanceof RootProxy) {
+ if (Log.on) Log.log(this, "attempt to reparent a box via its proxy object at " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+
+ } else {
+ Box newnode = (Box)value;
+ for(Box cur = this; cur != null; cur = cur.getParent())
+ if (cur == newnode) {
+ if (Log.on) Log.log(this, "attempt to make a node a parent of its own ancestor at " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+ return;
+ }
+
if (numKids > 15 && children == null) convert_to_array();
- if (newnode.parent != null) newnode.remove();
+ newnode.remove();
newnode.parent = this;
if (children == null) {
}
}
newnode.setSurface(surface);
-
+
// need both of these in case child was already uncalc'ed
newnode.mark_for_prerender();
mark_for_prerender();
-
+
newnode.dirty();
sync_cmin_to_children();
- }
- // note that JavaScript box[0] will invoke put(int i), not put(String s)
- put("0", null, newnode);
+ // note that JavaScript box[0] will invoke put(int i), not put(String s)
+ put("0", null, newnode);
+ }
}
public Object get(String name, Scriptable start) { return get(name, start, false); }
SpecialBoxProperty gph = (SpecialBoxProperty)SpecialBoxProperty.specialBoxProperties.get(name);
if (gph != null) return gph.get(this);
- return super.get(name, start);
+ Object ret = super.get(name, start);
+ if (name.startsWith("$") && ret == null)
+ if (Log.on) Log.log(this, "WARNING: attempt to access " + name + ", but no child with id=\"" + name.substring(1) + "\" found; " +
+ Context.enter().interpreterSourceFile + ":" + Context.enter().interpreterLine);
+ return ret;
}
/** indicate that we don't want JSObject trying to handle these */
return super.has(name, start);
}
+ public Object[] getIds() {
+ Object[] ret = new Object[numChildren()];
+ for(int i=0; i<ret.length; i++) ret[i] = get(i, null);
+ return ret;
+ }
+
public void put(String name, Scriptable start, Object value) { put(name, start, value, false, null); }
public void put(String name, Scriptable start, Object value, boolean ignoretraps) { put(name, start, value, ignoretraps, null); }
/** remove this node from its parent; INVARIANT: whenever the parent of a node is changed, remove() gets called. */
public void remove() {
if (parent == null) {
- if (surface != null) surface.dispose();
+ if (surface != null) surface.dispose(true);
return;
}
Box oldparent = getParent();
/** returns numerator/denominator, but rounds <i>up</i> instead of down */
static final int divide_round_up(int numerator, int denominator) {
+
+ // cope with bozos who use flex==0.0
+ if (denominator == 0) return Integer.MAX_VALUE;
+
int ret = numerator / denominator;
if (ret * denominator < numerator) return ret + 1;
return ret;
projects / org.ibex.core.git / blobdiff