add Affine.rotateBox(), min(), max()

[org.ibex.core.git] / src / org / ibex / core / Box.java

diff --git a/src/org/ibex/core/Box.java b/src/org/ibex/core/Box.java
index ffec434..b9f71b6 100644 (file)
--- a/src/org/ibex/core/Box.java
+++ b/src/org/ibex/core/Box.java
@@ -106,7 +106,7 @@ public final class Box extends JS.Obj implements Callable, Mesh.Chain {
     public void dirty() { if (path==null) dirty(0, 0, contentwidth, contentheight); else dirty(path); }
     public void dirty(int x, int y, int w, int h) { }
     public void dirty(Path p) {
-        Affine a = transform;
+        Affine a = transform.copy();
         for(Box cur = this; cur != null; cur = cur.parent) a.premultiply(cur.transform);
         long hbounds = p.horizontalBounds(a);
         long vbounds = p.verticalBounds(a);
@@ -173,8 +173,6 @@ public final class Box extends JS.Obj implements Callable, Mesh.Chain {
     public void constrain(Box b, Affine a) {
         contentwidth = 0;
         contentheight = 0;
-        transform.e = 0;
-        transform.f = 0;
         a = a.copy().premultiply(transform);
 
         //boolean relevant = packed() || ((fillcolor&0xff000000)!=0x0) || path!=null;
@@ -192,10 +190,16 @@ public final class Box extends JS.Obj implements Callable, Mesh.Chain {
         for(Box child = getChild(0); child != null; child = child.nextSibling()) {
             xmin = Integer.MAX_VALUE; ymin = Integer.MAX_VALUE;
             xmax = Integer.MIN_VALUE; ymax = Integer.MIN_VALUE;
+            if (packed()) {
+                child.transform.e = 0;
+                child.transform.f = 0;
+            }
             child.constrain(this, Affine.identity());
             if (xmin==Integer.MAX_VALUE||xmax==Integer.MIN_VALUE||ymin==Integer.MAX_VALUE||ymax== Integer.MIN_VALUE) continue;
-            child.transform.e = -1 * xmin;
-            child.transform.f = -1 * ymin;
+            if (packed()) {
+                child.transform.e = -1 * xmin;
+                child.transform.f = -1 * ymin;
+            }
             contentwidth += (xmax-xmin);
             contentheight = max(ymax-ymin, contentheight);
         }
@@ -247,10 +251,13 @@ public final class Box extends JS.Obj implements Callable, Mesh.Chain {
             return;
         }
 
-        if (clipFrom != null) clipFrom.subtract(mesh, clipa);
-        Mesh mesh = treeSize() > 0 ? this.mesh.copy() : this.mesh;
-        for(Box b = getChild(0); b != null; b = b.nextSibling()) b.render(buf, a, mesh, Affine.identity());
+        // FIXME: mesh clipping code has been getting stuck in loops; to see this,
+        //        uncomment the next two lines and swap the order of the last two lines.
+
+        //if (clipFrom != null) clipFrom.subtract(mesh, clipa);
+        //Mesh mesh = treeSize() > 0 ? this.mesh.copy() : this.mesh;
         mesh.fill(buf, a, null, fillcolor, true);
+        for(Box b = getChild(0); b != null; b = b.nextSibling()) b.render(buf, a, mesh, Affine.identity());
     }
     
     // Methods to implement org.ibex.js.JS //////////////////////////////////////
@@ -398,10 +405,12 @@ public final class Box extends JS.Obj implements Callable, Mesh.Chain {
             dirty();
             polygon = null;
         }
+        case "x":           transform.e = JSU.toInt(value);
+        case "y":           transform.f = JSU.toInt(value);
         case "transform":   {
             transform = Affine.parse(JSU.toString(value));
-            transform.e = 0;
-            transform.f = 0;
+            //transform.e = 0;
+            //transform.f = 0;
             if (getSurface() != null)  // FIXME
                 getSurface().dirty(0, 0, getSurface().root.contentwidth, getSurface().root.contentheight);
             REPLACE();