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fix startPolygon for more than one polygon..

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This commit is contained in:
Hannes Janetzek
2013-05-15 02:54:40 +02:00
parent 0736dd15b2
commit 6483902901
1 changed files with 14 additions and 11 deletions
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25
src/org/oscim/core/GeometryBuffer.java
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@@ -1,5 +1,6 @@
package org.oscim.core; package org.oscim.core;
public class GeometryBuffer { public class GeometryBuffer {
public enum GeometryType { public enum GeometryType {
@@ -17,7 +18,9 @@ public class GeometryBuffer {
} }
// TODO // TODO
// -- check indexPos < Short.Max // - check indexPos < Short.Max
// - make internals private
final static boolean CHECK_STATE = true; final static boolean CHECK_STATE = true;
public float[] points; public float[] points;
@@ -25,8 +28,6 @@ public class GeometryBuffer {
public int indexPos; public int indexPos;
public int pointPos; public int pointPos;
//public int type;
// GEOM_*
public GeometryType type; public GeometryType type;
public GeometryBuffer(float[] points, short[] index) { public GeometryBuffer(float[] points, short[] index) {
@@ -104,13 +105,14 @@ public class GeometryBuffer {
} }
public void startPolygon() { public void startPolygon() {
boolean start = (type == GeometryType.NONE);
if (CHECK_STATE) if (CHECK_STATE)
setOrCheckMode(GeometryType.POLY); setOrCheckMode(GeometryType.POLY);
if ((indexPos + 4) >= index.length) if ((indexPos + 4) > index.length)
ensureIndexSize(indexPos + 4, true); ensureIndexSize(indexPos + 3, true);
if (indexPos > 0) { if (!start) {
// end ring // end ring
index[++indexPos] = 0; index[++indexPos] = 0;
@@ -134,8 +136,8 @@ public class GeometryBuffer {
if (CHECK_STATE) if (CHECK_STATE)
checkMode(GeometryType.POLY); checkMode(GeometryType.POLY);
if ((indexPos + 3) >= index.length) if ((indexPos + 3) > index.length)
ensureIndexSize(indexPos, true); ensureIndexSize(indexPos + 2, true);
// end ring // end ring
index[++indexPos] = 0; index[++indexPos] = 0;
@@ -144,7 +146,8 @@ public class GeometryBuffer {
index[++indexPos] = 0; index[++indexPos] = 0;
// set new end marker // set new end marker
index[indexPos + 1] = -1; if (index.length > indexPos + 1)
index[indexPos + 1] = -1;
} }
// ---- internals ---- // ---- internals ----
@@ -152,7 +155,7 @@ public class GeometryBuffer {
if (size * 2 < points.length) if (size * 2 < points.length)
return points; return points;
float[] tmp = new float[size * 2 + 1024]; float[] tmp = new float[size * 2 + 512];
if (copy) if (copy)
System.arraycopy(points, 0, tmp, 0, points.length); System.arraycopy(points, 0, tmp, 0, points.length);
@@ -164,7 +167,7 @@ public class GeometryBuffer {
if (size < index.length) if (size < index.length)
return index; return index;
short[] tmp = new short[size + 128]; short[] tmp = new short[size + 64];
if (copy) if (copy)
System.arraycopy(index, 0, tmp, 0, index.length); System.arraycopy(index, 0, tmp, 0, index.length);