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improve GridOverlay, keep TextLayer to not create new Canvas on each update

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This commit is contained in:
Hannes Janetzek 2013-04-30 13:24:09 +02:00
parent cac05dbf66
commit 5a2cfe16a5
1 changed files with 19 additions and 9 deletions
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28
src/org/oscim/renderer/overlays/GridOverlay.java
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@ -32,6 +32,8 @@ public class GridOverlay extends BasicOverlay {
private final float[] mPoints; private final float[] mPoints;
private final short[] mIndex; private final short[] mIndex;
private final Text mText; private final Text mText;
private final TextLayer mTextLayer;
private final LineLayer mLineLayer;
public GridOverlay(MapView mapView) { public GridOverlay(MapView mapView) {
super(mapView); super(mapView);
@ -67,12 +69,21 @@ public class GridOverlay extends BasicOverlay {
// mText = Text.createText(20, 3, Color.BLACK, Color.RED, false); // mText = Text.createText(20, 3, Color.BLACK, Color.RED, false);
mText = Text.createText(22, 0, Color.RED, 0, false); mText = Text.createText(22, 0, Color.RED, 0, false);
// mText = Text.createText(22, 0, Color.RED, 0, true); // mText = Text.createText(22, 0, Color.RED, 0, true);
mTextLayer = new TextLayer();
layers.textureLayers = mTextLayer;
LineLayer ll = layers.getLineLayer(0);
ll.line = new Line(Color.BLUE, 1.0f, Cap.BUTT);
ll.width = 1.5f;
mLineLayer = ll;
} }
private void addLabels(int x, int y, int z) { private void addLabels(int x, int y, int z) {
int size = Tile.SIZE; int size = Tile.SIZE;
TextLayer tl = new TextLayer(); TextLayer tl = mTextLayer;
for (int i = -2; i < 2; i++) { for (int i = -2; i < 2; i++) {
for (int j = -2; j < 2; j++) { for (int j = -2; j < 2; j++) {
@ -95,8 +106,6 @@ public class GridOverlay extends BasicOverlay {
tl.prepare(); tl.prepare();
tl.clearLabels(); tl.clearLabels();
layers.textureLayers = tl;
} }
private int mCurX = -1; private int mCurX = -1;
@ -124,14 +133,15 @@ public class GridOverlay extends BasicOverlay {
mCurY = y; mCurY = y;
mCurZ = z; mCurZ = z;
layers.clear(); mTextLayer.clear();
mLineLayer.clear();
LineLayer ll = layers.getLineLayer(0);
ll.line = new Line(Color.BLUE, 1.0f, Cap.BUTT);
ll.width = 1.5f;
ll.addLine(mPoints, mIndex, false);
addLabels(x, y, curPos.zoomLevel); addLabels(x, y, curPos.zoomLevel);
LineLayer ll = mLineLayer;
ll.verticesCnt = 0;
ll.addLine(mPoints, mIndex, false);
newData = true; newData = true;
} }
} }