public void invalidate(final Rect contentsDirtyRect) { Rect dirtyRect = new Rect(mapFromContents(contentsDirtyRect)); Rect keepRectFitToTileSize = tileRectForCoordinate(tileCoordinateForPoint(mKeepRect.getLeft(), mKeepRect.getTop())); keepRectFitToTileSize.composite( tileRectForCoordinate(tileCoordinateForPoint(mKeepRect.getRight(), mKeepRect.getBottom()))); // Only iterate on the part of the rect that we know we might have tiles. Rect coveredDirtyRect = Rect.intersect(dirtyRect, keepRectFitToTileSize); Coordinate topLeft = tileCoordinateForPoint(coveredDirtyRect.getLeft(), coveredDirtyRect.getTop()); Coordinate bottomRight = tileCoordinateForPoint(coveredDirtyRect.getRight(), coveredDirtyRect.getBottom()); for (int yCoordinate = topLeft.getY(); yCoordinate <= bottomRight.getY(); ++yCoordinate) { for (int xCoordinate = topLeft.getX(); xCoordinate <= bottomRight.getX(); ++xCoordinate) { ITile currentTile = getTileAt(xCoordinate, yCoordinate); if (currentTile == null) continue; // Pass the full rect to each tile as coveredDirtyRect might not // contain them completely and we don't want partial tile redraws. currentTile.invalidate(dirtyRect); } } startTileBufferUpdateTask(); }
private float coverageRatio(final Rect contentsRect) { Rect dirtyRect = mapFromContents(contentsRect); float rectArea = dirtyRect.getWidth() * dirtyRect.getHeight(); float coverArea = 0.0f; Coordinate topLeft = tileCoordinateForPoint(dirtyRect.getLeft(), dirtyRect.getTop()); Coordinate bottomRight = tileCoordinateForPoint(dirtyRect.getRight(), dirtyRect.getBottom()); for (int yCoordinate = topLeft.getY(); yCoordinate <= bottomRight.getY(); ++yCoordinate) { for (int xCoordinate = topLeft.getX(); xCoordinate <= bottomRight.getX(); ++xCoordinate) { ITile currentTile = getTileAt(xCoordinate, yCoordinate); if (currentTile != null && currentTile.isReadyToPaint()) { Rect coverRect = Rect.intersect(dirtyRect, currentTile.rect()); coverArea += coverRect.getWidth() * coverRect.getHeight(); } } } return coverArea / rectArea; }
public void paint(GLCanvas canvas, int offsetX, int offsetY, final Rect rect) { synchronized (mScaleBufferTiles) { Iterator<Entry<Coordinate, ITile>> it = mScaleBufferTiles.iterator(); while (it.hasNext()) { Entry<Coordinate, ITile> entry = it.next(); ITile currentTile = entry.getValue(); if (currentTile != null && currentTile.isReadyToPaint()) { float scale = mPendingScale == 0 ? mContentsScale : mPendingScale; currentTile.paint(canvas, offsetX, offsetY, null, scale / mScaleBufferTiles.getScale()); } } } Rect dirtyRect = mapFromContents(rect, mScaleBufferTiles.getScale()); Coordinate topLeft = tileCoordinateForPoint(dirtyRect.getLeft(), dirtyRect.getTop()); Coordinate bottomRight = tileCoordinateForPoint(dirtyRect.getRight(), dirtyRect.getBottom()); // for (int yCoordinate = topLeft.getY(); yCoordinate <= bottomRight.getY(); // ++yCoordinate) { // for (int xCoordinate = topLeft.getX(); xCoordinate <= bottomRight.getX(); // ++xCoordinate) { // Coordinate currentCoordinate = new Coordinate(xCoordinate, yCoordinate); // ITile currentTile = mScaleBufferTiles.get(currentCoordinate); // if (currentTile != null && currentTile.isReadyToPaint()) { // currentTile.paint(canvas, offsetX, offsetY, dirtyRect, mPendingScale / // mScaleBufferTiles.getScale()); // } else { // Rect tileRect = tileRectForCoordinate(currentCoordinate); // Rect target = Rect.intersect(tileRect, dirtyRect); // if (target == null || target.isEmpty()) // continue; // //// float scaleFactor = mOldScale == 0 ? 1 : mContentsScale / mOldScale; //// float left = offsetX + target.getLeft() * scaleFactor; //// float top = offsetY + target.getTop() * scaleFactor; //// float width = target.getWidth() * scaleFactor; //// float height = target.getHeight() * scaleFactor; // // canvas.drawTexture(mTextureBuffer.getCheckerTextureID(canvas.getGL(), // (int)width, (int)height), left, top, width, height); // } // // } // } dirtyRect = mapFromContents(rect); topLeft = tileCoordinateForPoint(dirtyRect.getLeft(), dirtyRect.getTop()); bottomRight = tileCoordinateForPoint(dirtyRect.getRight(), dirtyRect.getBottom()); for (int yCoordinate = topLeft.getY(); yCoordinate <= bottomRight.getY(); ++yCoordinate) { for (int xCoordinate = topLeft.getX(); xCoordinate <= bottomRight.getX(); ++xCoordinate) { Coordinate currentCoordinate = new Coordinate(xCoordinate, yCoordinate); ITile currentTile = mMainTiles.get(currentCoordinate); if (currentTile != null && currentTile.isReadyToPaint()) { float scaleFactor = mPendingScale == 0 ? 1 : mPendingScale / mContentsScale; currentTile.paint(canvas, offsetX, offsetY, dirtyRect, scaleFactor); } else { Rect tileRect = tileRectForCoordinate(currentCoordinate); Rect target = Rect.intersect(tileRect, dirtyRect); if (target == null || target.isEmpty()) continue; float scaleFactor = mPendingScale == 0 ? 1 : mPendingScale / mContentsScale; float left = offsetX + target.getLeft() * scaleFactor; float top = offsetY + target.getTop() * scaleFactor; float width = target.getWidth() * scaleFactor; float height = target.getHeight() * scaleFactor; // // canvas.drawTexture(mTextureBuffer.getCheckerTextureID(canvas.getGL(), (int)width, // (int)height), left, top, width, height); } } } }