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refactor TextRenderer, sync MapTile in Label-Thread

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This commit is contained in:
Hannes Janetzek 2014-01-19 22:01:51 +01:00
parent ec8821e557
commit e76b0a3740
3 changed files with 284 additions and 238 deletions
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28
vtm/src/org/oscim/layers/tile/vector/labeling/LabelLayer.java
View File

@ -28,7 +28,7 @@ public class LabelLayer extends Layer implements Map.InputListener, Map.UpdateLi
static final Logger log = LoggerFactory.getLogger(LabelLayer.class); static final Logger log = LoggerFactory.getLogger(LabelLayer.class);
private final TextRenderer mTextRenderer; private final TextRenderer mTextRenderer;
private int multi; //private int multi;
public LabelLayer(Map map, TileRenderer tileRenderLayer) { public LabelLayer(Map map, TileRenderer tileRenderLayer) {
super(map); super(map);
@ -49,19 +49,19 @@ public class LabelLayer extends Layer implements Map.InputListener, Map.UpdateLi
@Override @Override
public void onMotionEvent(MotionEvent e) { public void onMotionEvent(MotionEvent e) {
int action = e.getAction() & MotionEvent.ACTION_MASK; // int action = e.getAction() & MotionEvent.ACTION_MASK;
if (action == MotionEvent.ACTION_POINTER_DOWN) { // if (action == MotionEvent.ACTION_POINTER_DOWN) {
multi++; // multi++;
mTextRenderer.hold(true); // mTextRenderer.hold(true);
} else if (action == MotionEvent.ACTION_POINTER_UP) { // } else if (action == MotionEvent.ACTION_POINTER_UP) {
multi--; // multi--;
if (multi == 0) // if (multi == 0)
mTextRenderer.hold(false); // mTextRenderer.hold(false);
} else if (action == MotionEvent.ACTION_CANCEL) { // } else if (action == MotionEvent.ACTION_CANCEL) {
multi = 0; // multi = 0;
log.debug("cancel " + multi); // log.debug("cancel " + multi);
mTextRenderer.hold(false); // mTextRenderer.hold(false);
} // }
} }
@Override @Override

335
vtm/src/org/oscim/layers/tile/vector/labeling/TextRenderer.java
View File

@ -51,6 +51,7 @@ import org.oscim.tiling.TileRenderer;
import org.oscim.tiling.TileSet; import org.oscim.tiling.TileSet;
import org.oscim.utils.FastMath; import org.oscim.utils.FastMath;
import org.oscim.utils.OBB2D; import org.oscim.utils.OBB2D;
import org.oscim.utils.async.ContinuousTask;
import org.oscim.utils.pool.Pool; import org.oscim.utils.pool.Pool;
class TextRenderer extends ElementRenderer { class TextRenderer extends ElementRenderer {
@ -143,6 +144,8 @@ class TextRenderer extends ElementRenderer {
//mActiveTiles = new HashMap<MapTile, LabelTile>(); //mActiveTiles = new HashMap<MapTile, LabelTile>();
mRelabelCnt = 0; mRelabelCnt = 0;
mLabelTask = new LabelTask(map);
} }
// remove Label l from mLabels and return l.next // remove Label l from mLabels and return l.next
@ -274,6 +277,108 @@ class TextRenderer extends ElementRenderer {
return dx; return dx;
} }
private Label updateWayLabels(MapTile t, Label l, float dx, float dy, double scale,
ElementLayers dbg) {
for (TextItem ti = t.labels; ti != null; ti = ti.next) {
if (ti.text.caption)
continue;
// acquire a TextItem to add to TextLayer
if (l == null)
l = getLabel();
// check if path at current scale is long enough for text
if (dbg == null && ti.width > ti.length * scale)
continue;
l.clone(ti);
l.move(ti, dx, dy, (float) scale);
// set line endpoints relative to view to be able to
// check intersections with label from other tiles
float w = (ti.x2 - ti.x1) / 2f;
float h = (ti.y2 - ti.y1) / 2f;
l.bbox = null;
l.x1 = l.x - w;
l.y1 = l.y - h;
l.x2 = l.x + w;
l.y2 = l.y + h;
if (!wayIsVisible(l))
continue;
byte overlaps = -1;
if (l.bbox == null)
l.bbox = new OBB2D(l.x, l.y, l.x1, l.y1,
l.width + MIN_WAY_DIST,
l.text.fontHeight + MIN_WAY_DIST);
else
l.bbox.set(l.x, l.y, l.x1, l.y1,
l.width + MIN_WAY_DIST,
l.text.fontHeight + MIN_WAY_DIST);
if (dbg == null || ti.width < ti.length * scale)
overlaps = checkOverlap(l);
if (dbg != null)
Debug.addDebugBox(dbg, l, ti, overlaps, false, (float) scale);
if (overlaps == 0) {
addLabel(l);
l.item = TextItem.copy(ti);
l.tile = t;
l.active = mRelabelCnt;
l = null;
}
}
return l;
}
private Label updateNodeLabels(MapTile t, Label l, float dx, float dy, double scale, float cos,
float sin) {
O: for (TextItem ti = t.labels; ti != null; ti = ti.next) {
if (!ti.text.caption)
continue;
// acquire a TextItem to add to TextLayer
if (l == null)
l = getLabel();
l.clone(ti);
l.move(ti, dx, dy, (float) scale);
if (!nodeIsVisible(l))
continue;
if (l.bbox == null)
l.bbox = new OBB2D();
l.bbox.setNormalized(l.x, l.y, cos, -sin,
l.width + MIN_CAPTION_DIST,
l.text.fontHeight + MIN_CAPTION_DIST,
l.text.dy);
for (Label lp = mLabels; lp != null;) {
if (l.bbox.overlaps(lp.bbox)) {
if (l.text.priority < lp.text.priority) {
lp = removeLabel(lp);
continue;
}
continue O;
}
lp = (Label) lp.next;
}
addLabel(l);
l.item = TextItem.copy(ti);
l.tile = t;
l.active = mRelabelCnt;
l = null;
}
return l;
}
boolean updateLabels() { boolean updateLabels() {
// nextLayer is not loaded yet // nextLayer is not loaded yet
if (mNextLayer.ready) if (mNextLayer.ready)
@ -400,6 +505,7 @@ class TextRenderer extends ElementRenderer {
/* add way labels */ /* add way labels */
for (int i = 0, n = mTileSet.cnt; i < n; i++) { for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i]; MapTile t = tiles[i];
synchronized (t) {
if (!t.state(MapTile.STATE_READY)) if (!t.state(MapTile.STATE_READY))
continue; continue;
@ -407,65 +513,14 @@ class TextRenderer extends ElementRenderer {
float dy = (float) (t.tileY * Tile.SIZE - tileY); float dy = (float) (t.tileY * Tile.SIZE - tileY);
dx = flipLongitude(dx, maxx); dx = flipLongitude(dx, maxx);
for (TextItem ti = t.labels; ti != null; ti = ti.next) { l = updateWayLabels(t, l, dx, dy, scale, dbg);
if (ti.text.caption)
continue;
// acquire a TextItem to add to TextLayer
if (l == null)
l = getLabel();
// check if path at current scale is long enough for text
if (dbg == null && ti.width > ti.length * scale)
continue;
l.clone(ti);
l.move(ti, dx, dy, (float) scale);
// set line endpoints relative to view to be able to
// check intersections with label from other tiles
float w = (ti.x2 - ti.x1) / 2f;
float h = (ti.y2 - ti.y1) / 2f;
l.bbox = null;
l.x1 = l.x - w;
l.y1 = l.y - h;
l.x2 = l.x + w;
l.y2 = l.y + h;
if (!wayIsVisible(l))
continue;
byte overlaps = -1;
if (l.bbox == null)
l.bbox = new OBB2D(l.x, l.y, l.x1, l.y1,
l.width + MIN_WAY_DIST,
l.text.fontHeight + MIN_WAY_DIST);
else
l.bbox.set(l.x, l.y, l.x1, l.y1,
l.width + MIN_WAY_DIST,
l.text.fontHeight + MIN_WAY_DIST);
if (dbg == null || ti.width < ti.length * scale)
overlaps = checkOverlap(l);
if (dbg != null)
Debug.addDebugBox(dbg, l, ti, overlaps, false, (float) scale);
if (overlaps == 0) {
addLabel(l);
l.item = TextItem.copy(ti);
l.tile = t;
l.active = mRelabelCnt;
l = null;
}
} }
} }
/* add caption */ /* add caption */
for (int i = 0, n = mTileSet.cnt; i < n; i++) { for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i]; MapTile t = tiles[i];
synchronized (t) {
if (!t.state(MapTile.STATE_READY)) if (!t.state(MapTile.STATE_READY))
continue; continue;
@ -473,45 +528,7 @@ class TextRenderer extends ElementRenderer {
float dy = (float) (t.tileY * Tile.SIZE - tileY); float dy = (float) (t.tileY * Tile.SIZE - tileY);
dx = flipLongitude(dx, maxx); dx = flipLongitude(dx, maxx);
O: for (TextItem ti = t.labels; ti != null; ti = ti.next) { l = updateNodeLabels(t, l, dx, dy, scale, cos, sin);
if (!ti.text.caption)
continue;
// acquire a TextItem to add to TextLayer
if (l == null)
l = getLabel();
l.clone(ti);
l.move(ti, dx, dy, (float) scale);
if (!nodeIsVisible(l))
continue;
//l.setAxisAlignedBBox();
if (l.bbox == null)
l.bbox = new OBB2D();
l.bbox.setNormalized(l.x, l.y, cos, -sin,
l.width + MIN_CAPTION_DIST,
l.text.fontHeight + MIN_CAPTION_DIST,
l.text.dy);
for (Label lp = mLabels; lp != null;) {
if (l.bbox.overlaps(lp.bbox)) {
if (l.text.priority < lp.text.priority) {
lp = removeLabel(lp);
continue;
}
continue O;
}
lp = (Label) lp.next;
}
addLabel(l);
l.item = TextItem.copy(ti);
l.tile = t;
l.active = mRelabelCnt;
l = null;
} }
} }
@ -541,6 +558,7 @@ class TextRenderer extends ElementRenderer {
for (int i = 0, n = mTileSet.cnt; i < n; i++) { for (int i = 0, n = mTileSet.cnt; i < n; i++) {
MapTile t = tiles[i]; MapTile t = tiles[i];
synchronized (t) {
if (!t.state(MapTile.STATE_READY)) if (!t.state(MapTile.STATE_READY))
continue; continue;
@ -562,6 +580,7 @@ class TextRenderer extends ElementRenderer {
sl.addSymbol(s); sl.addSymbol(s);
} }
} }
}
// temporary used Label // temporary used Label
l = (Label) mPool.release(l); l = (Label) mPool.release(l);
@ -588,11 +607,6 @@ class TextRenderer extends ElementRenderer {
public synchronized void update(MapPosition pos, boolean changed, public synchronized void update(MapPosition pos, boolean changed,
Matrices matrices) { Matrices matrices) {
//if (System.currentTimeMillis() - lastDraw > 1000){
// updateLabels();
// lastDraw = System.currentTimeMillis();
//
//}
if (mNextLayer.ready) { if (mNextLayer.ready) {
// exchange current with next layers // exchange current with next layers
TextureLayers tmp = mCurLayer; TextureLayers tmp = mCurLayer;
@ -615,92 +629,19 @@ class TextRenderer extends ElementRenderer {
compile(); compile();
} }
if (mRequestClear) mLabelTask.submit((mLastRun + MAX_RELABEL_DELAY) - System.currentTimeMillis());
cleanup();
//if (!mHolding)
postLabelTask();
}
/* private */LabelTask mLabelTask;
/* private */long mLastRun;
/* private */boolean mRequestRun;
/* private */boolean mRequestClear;
/* private */boolean mRelabel;
class LabelTask implements Runnable {
private boolean isCancelled;
@Override
public void run() {
boolean labelsChanged = false;
if (isCancelled) {
return;
}
long now = System.currentTimeMillis();
//log.debug("relabel after " + (now - mLastRun));
mLastRun = now;
labelsChanged = updateLabels();
if (!isCancelled && labelsChanged)
mMap.render();
mLabelTask = null;
mRequestRun = false;
isCancelled = false;
if (mRelabel) {
mRelabel = false;
postLabelTask();
}
}
public void cancel() {
isCancelled = true;
}
}
/* private */void cleanup() {
mLabels = (Label) mPool.releaseAll(mLabels);
mTileSet.releaseTiles();
mLabelTask = null;
mRequestClear = false;
}
private final Runnable mLabelUpdate = new Runnable() {
@Override
public void run() {
if (mLabelTask == null) {
mLabelTask = new LabelTask();
mMap.addTask(mLabelTask);
}
}
};
/* private */void postLabelTask() {
synchronized (mLabelUpdate) {
if (mRequestRun) {
mRelabel = true;
} else {
mRequestRun = true;
long delay = (mLastRun + MAX_RELABEL_DELAY) - System.currentTimeMillis();
//log.debug("relabel in: " + delay);
mMap.postDelayed(mLabelUpdate, Math.max(delay, 0));
}
}
} }
@Override @Override
public synchronized void render(MapPosition pos, Matrices m) { public synchronized void render(MapPosition pos, Matrices m) {
layers.vbo.bind();
GLState.test(false, false); GLState.test(false, false);
float scale = (float) (mMapPosition.scale / pos.scale); float scale = (float) (mMapPosition.scale / pos.scale);
setMatrix(pos, m, true); setMatrix(pos, m, true);
synchronized (layers) {
layers.vbo.bind();
if (layers.baseLayers != null) { if (layers.baseLayers != null) {
for (RenderElement l = layers.baseLayers; l != null;) { for (RenderElement l = layers.baseLayers; l != null;) {
if (l.type == RenderElement.POLYGON) { if (l.type == RenderElement.POLYGON) {
@ -717,25 +658,39 @@ class TextRenderer extends ElementRenderer {
for (RenderElement l = layers.textureLayers; l != null;) for (RenderElement l = layers.textureLayers; l != null;)
l = TextureLayer.Renderer.draw(l, scale, m); l = TextureLayer.Renderer.draw(l, scale, m);
} }
//private boolean mHolding;
/**
* @param enable layer updates
*/
public synchronized void hold(boolean enable) {
// mHolding = enable;
// if (!enable)
// runLabelTask();
} }
public synchronized void clearLabels() { final class LabelTask extends ContinuousTask {
if (mRequestRun) {
mRequestClear = true; public LabelTask(Map map) {
//mRelabel = true; super(map, 10);
} else { }
cleanup();
//postLabelTask(); @Override
public void doWork() {
if (updateLabels())
mMap.render();
mLastRun = System.currentTimeMillis();
}
@Override
public void cleanup() {
clearLabelsInternal();
} }
} }
private final LabelTask mLabelTask;
/* private */long mLastRun;
/* private */void clearLabelsInternal() {
mLabels = (Label) mPool.releaseAll(mLabels);
mTileSet.releaseTiles();
}
public void clearLabels() {
mLabelTask.cancel();
}
} }

91
vtm/src/org/oscim/utils/async/ContinuousTask.java Normal file
View File

@ -0,0 +1,91 @@
package org.oscim.utils.async;
import org.oscim.map.Map;
public abstract class ContinuousTask implements Runnable {
private final Map mMap;
protected boolean mRunning;
protected boolean mWait;
protected boolean mCancel;
protected boolean mDelayed;
protected long mMinDelay;
public ContinuousTask(Map map, long minDelay) {
mMap = map;
mMinDelay = minDelay;
}
@Override
public void run() {
synchronized (this) {
//System.out.println("run " + mRunning + " "
// + mCancel + " " + mDelayed + " " + mWait);
if (mCancel) {
mCancel = false;
mRunning = false;
mDelayed = false;
mWait = false;
cleanup();
return;
}
if (mDelayed) {
// entered on main-loop
mDelayed = false;
mWait = false;
// unset running temporarily
mRunning = false;
submit(0);
return;
}
}
doWork();
synchronized (this) {
mRunning = false;
if (mCancel)
cleanup();
else if (mWait)
submit(mMinDelay);
mCancel = false;
mWait = false;
}
}
public abstract void doWork();
public abstract void cleanup();
public synchronized void submit(long delay) {
//System.out.println("submit " + mRunning + " " + mCancel + " " + delay);
if (mRunning) {
mWait = true;
return;
}
mRunning = true;
if (delay <= 0) {
mMap.addTask(this);
return;
}
mDelayed = true;
mMap.postDelayed(this, delay);
}
public synchronized void cancel() {
if (mRunning) {
mCancel = true;
return;
}
cleanup();
}
}