Android-builders-club/OsmAnd
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Crop manually only 6px on surrounding tiles to avoid working on a

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768x768 metatile. Memory ok, not rendering.

Signed-off-by: yvecai <yvecai@gmail.com>
This commit is contained in:
yvecai 2012-02-06 21:47:03 +01:00 committed by Jindřich Makovička
parent 8362f07ff1
commit 164315899e
1 changed files with 159 additions and 25 deletions
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154
OsmAnd/src/net/osmand/plus/SQLiteTileSource.java
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@ -204,14 +204,12 @@ public class SQLiteTileSource implements ITileSource {
if(db == null){
return null;
}
Bitmap stitchedImage = Bitmap.createBitmap(256*3, 256*3, Config.ARGB_8888);
Bitmap stitchedImage = Bitmap.createBitmap(268, 268, Config.ARGB_8888);
Canvas canvas = new Canvas(stitchedImage);
for (int i = -1 ; i < 2 ; i++ ) {
for (int j = -1 ; j < 2 ; j++ ) {
Cursor cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+i+"", y+j+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
new String[] {x-1+"", y-1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
byte[] blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
@ -221,16 +219,153 @@ public class SQLiteTileSource implements ITileSource {
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 0, 256, 256);
Rect dst = new Rect((i+1)*256,(j+1)*256 , (i+2)*256, (j+2)*256);
Rect src = new Rect(250, 250, 6, 6);
Rect dst = new Rect(0,0,0,0);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
} else {
return null;
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x-1+"", y+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 250, 256, 6);
Rect dst = new Rect(6,0,256,6);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
return Bitmap.createBitmap(stitchedImage,250,250,268,268); // return a 256x256 tile + 6px margin
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x-1+"", y+1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 250, 6, 6);
Rect dst = new Rect(262,0,6,6);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+"", y-1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(250, 0, 6, 256);
Rect dst = new Rect(0,6,6,256);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+"", y+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 0, 256, 256);
Rect dst = new Rect(6,6,256,256);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+"", y+1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 0, 6, 256);
Rect dst = new Rect(262,6,6,256);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+1+"", y-1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(250, 0, 6, 6);
Rect dst = new Rect(0,262,6,6);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+1+"", y+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 0, 256, 6);
Rect dst = new Rect(6,262,256,6);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
cursor = db.rawQuery(
"SELECT image FROM tiles WHERE x = ? AND y = ? AND z = ?",
new String[] {x+1+"", y+1+"",(17 - zoom)+""}); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$//$NON-NLS-4$
blob = null;
if(cursor.moveToFirst()) {
blob = cursor.getBlob(0);
}
cursor.close();
if(blob != null){
Bitmap Tile = BitmapFactory.decodeByteArray(blob, 0, blob.length);
blob = null;
System.gc();
Rect src = new Rect(0, 0, 6, 6);
Rect dst = new Rect(262,262,6,6);
canvas.drawBitmap(Tile, src, dst, null);
Tile.recycle();
}
return stitchedImage; // return a 256x256 tile + 6px margin
}
public Bitmap getImage(int x, int y, int zoom) {
@ -273,7 +408,6 @@ public class SQLiteTileSource implements ITileSource {
int scaleto = (int)(256+12*Math.pow(2,n));
Bitmap scaled = Bitmap.createScaledBitmap(xn,scaleto,scaleto,true);
xn.recycle();
System.gc();
return Bitmap.createBitmap(scaled,(int)(6*Math.pow(2,n)),(int)(6*Math.pow(2,n)),256,256);
}
return null;