nyancrimew
/
LatinIME
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Merge "Fix an off-by-one error."

main
Jean Chalard 2013-09-19 05:32:52 +00:00 committed by Android (Google) Code Review
parent 284e73bd41 a7d0ab80a0
commit 6f68b736f6
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
java/src/com/android/inputmethod/keyboard/ProximityInfo.java
View File

@ -245,8 +245,8 @@ public class ProximityInfo {
final int threshold = (int) (defaultWidth * SEARCH_DISTANCE);
final int thresholdSquared = threshold * threshold;
// Round-up so we don't have any pixels outside the grid
final int fullGridWidth = mGridWidth * mCellWidth;
final int fullGridHeight = mGridHeight * mCellHeight;
final int lastPixelXCoordinate = mGridWidth * mCellWidth - 1;
final int lastPixelYCoordinate = mGridHeight * mCellHeight - 1;
// For large layouts, 'neighborsFlatBuffer' is about 80k of memory: gridSize is usually 512,
// keycount is about 40 and a pointer to a Key is 4 bytes. This contains, for each cell,
@ -329,22 +329,20 @@ y |---+---+---+---+-v-+-|-+---+---+---+---+---| | thresholdBase and get
final int yMiddleOfTopCell = topPixelWithinThreshold - yDeltaToGrid + halfCellHeight;
final int yStart = Math.max(halfCellHeight,
yMiddleOfTopCell + (yDeltaToGrid <= halfCellHeight ? 0 : mCellHeight));
final int yEnd = Math.min(fullGridHeight, keyY + key.getHeight() + threshold);
final int yEnd = Math.min(lastPixelYCoordinate, keyY + key.getHeight() + threshold);
final int leftPixelWithinThreshold = keyX - threshold;
final int xDeltaToGrid = leftPixelWithinThreshold % mCellWidth;
final int xMiddleOfLeftCell = leftPixelWithinThreshold - xDeltaToGrid + halfCellWidth;
final int xStart = Math.max(halfCellWidth,
xMiddleOfLeftCell + (xDeltaToGrid <= halfCellWidth ? 0 : mCellWidth));
final int xEnd = Math.min(fullGridWidth, keyX + key.getWidth() + threshold);
final int xEnd = Math.min(lastPixelXCoordinate, keyX + key.getWidth() + threshold);
int baseIndexOfCurrentRow = (yStart / mCellHeight) * mGridWidth + (xStart / mCellWidth);
for (int centerY = yStart; centerY <= yEnd; centerY += mCellHeight) {
int index = baseIndexOfCurrentRow;
for (int centerX = xStart; centerX <= xEnd; centerX += mCellWidth) {
// TODO: Remove "index < neighborCountPerCell.length" below.
if (index < neighborCountPerCell.length
&& key.squaredDistanceToEdge(centerX, centerY) < thresholdSquared) {
if (key.squaredDistanceToEdge(centerX, centerY) < thresholdSquared) {
neighborsFlatBuffer[index * keyCount + neighborCountPerCell[index]] = key;
++neighborCountPerCell[index];
}