private void refreshMapInternal(DrawSettings drawSettings) {
handler.removeMessages(MAP_REFRESH_MESSAGE);
SurfaceHolder holder = getHolder();
long ms = SystemClock.elapsedRealtime();
synchronized (holder) {
Canvas canvas = holder.lockCanvas();
if (canvas != null) {
try {
final float ratioy = mapPosition == OsmandSettings.BOTTOM_CONSTANT ? 0.8f : 0.5f;
final int cy = (int) (ratioy * getHeight());
if (currentViewport.getPixWidth() != getWidth()
|| currentViewport.getPixHeight() != getHeight()
|| currentViewport.getCenterPixelY() != cy) {
currentViewport.setPixelDimensions(getWidth(), getHeight(), 0.5f, ratioy);
refreshBufferImage(drawSettings);
}
// make copy to avoid concurrency
RotatedTileBox viewportToDraw = currentViewport.copy();
fillCanvas(canvas, drawSettings);
drawOverMap(canvas, viewportToDraw, drawSettings);
} finally {
holder.unlockCanvasAndPost(canvas);
}
}
if (MEASURE_FPS) {
main.calculateFPS(ms, SystemClock.elapsedRealtime());
}
}
}
private void refreshBaseMapInternal(RotatedTileBox tileBox, DrawSettings drawSettings) {
if (tileBox.getPixHeight() == 0 || tileBox.getPixWidth() == 0) {
return;
}
if (bufferBitmapTmp == null
|| tileBox.getPixHeight() != bufferBitmapTmp.getHeight()
|| tileBox.getPixWidth() != bufferBitmapTmp.getWidth()) {
bufferBitmapTmp =
Bitmap.createBitmap(tileBox.getPixWidth(), tileBox.getPixHeight(), Config.RGB_565);
}
long start = SystemClock.elapsedRealtime();
final QuadPoint c = tileBox.getCenterPixelPoint();
Canvas canvas = new Canvas(bufferBitmapTmp);
fillCanvas(canvas, drawSettings);
for (int i = 0; i < layers.size(); i++) {
try {
OsmandMapLayer layer = layers.get(i);
canvas.save();
// rotate if needed
if (!layer.drawInScreenPixels()) {
canvas.rotate(tileBox.getRotate(), c.x, c.y);
}
layer.onPrepareBufferImage(canvas, tileBox, drawSettings);
canvas.restore();
} catch (IndexOutOfBoundsException e) {
// skip it
}
}
Bitmap t = bufferBitmap;
synchronized (this) {
bufferImgLoc = tileBox;
bufferBitmap = bufferBitmapTmp;
bufferBitmapTmp = t;
}
long end = SystemClock.elapsedRealtime();
additional.calculateFPS(start, end);
}
