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Minor MotionEvent optimization.

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Change-Id: I862e934e8dae80f394ffd4ab4b4697037805022c
This commit is contained in:
Jeff Brown
2010-08-19 16:44:02 -07:00
parent 07936528cf
commit 2f6d975b93
1 changed files with 34 additions and 29 deletions
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63
core/java/android/view/MotionEvent.java
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@@ -1319,21 +1319,24 @@ public final class MotionEvent extends InputEvent implements Parcelable {
* @param y New absolute Y location.
*/
public final void setLocation(float x, float y) {
mXOffset = x - mDataSamples[mLastDataSampleIndex + SAMPLE_X];
mYOffset = y - mDataSamples[mLastDataSampleIndex + SAMPLE_Y];
final float[] dataSamples = mDataSamples;
final int lastDataSampleIndex = mLastDataSampleIndex;
mXOffset = x - dataSamples[lastDataSampleIndex + SAMPLE_X];
mYOffset = y - dataSamples[lastDataSampleIndex + SAMPLE_Y];
}
private final void getPointerCoordsAtSampleIndex(int sampleIndex,
PointerCoords outPointerCoords) {
outPointerCoords.x = mDataSamples[sampleIndex + SAMPLE_X] + mXOffset;
outPointerCoords.y = mDataSamples[sampleIndex + SAMPLE_Y] + mYOffset;
outPointerCoords.pressure = mDataSamples[sampleIndex + SAMPLE_PRESSURE];
outPointerCoords.size = mDataSamples[sampleIndex + SAMPLE_SIZE];
outPointerCoords.touchMajor = mDataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR];
outPointerCoords.touchMinor = mDataSamples[sampleIndex + SAMPLE_TOUCH_MINOR];
outPointerCoords.toolMajor = mDataSamples[sampleIndex + SAMPLE_TOOL_MAJOR];
outPointerCoords.toolMinor = mDataSamples[sampleIndex + SAMPLE_TOOL_MINOR];
outPointerCoords.orientation = mDataSamples[sampleIndex + SAMPLE_ORIENTATION];
final float[] dataSamples = mDataSamples;
outPointerCoords.x = dataSamples[sampleIndex + SAMPLE_X] + mXOffset;
outPointerCoords.y = dataSamples[sampleIndex + SAMPLE_Y] + mYOffset;
outPointerCoords.pressure = dataSamples[sampleIndex + SAMPLE_PRESSURE];
outPointerCoords.size = dataSamples[sampleIndex + SAMPLE_SIZE];
outPointerCoords.touchMajor = dataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR];
outPointerCoords.touchMinor = dataSamples[sampleIndex + SAMPLE_TOUCH_MINOR];
outPointerCoords.toolMajor = dataSamples[sampleIndex + SAMPLE_TOOL_MAJOR];
outPointerCoords.toolMinor = dataSamples[sampleIndex + SAMPLE_TOOL_MINOR];
outPointerCoords.orientation = dataSamples[sampleIndex + SAMPLE_ORIENTATION];
}
private final void setPointerCoordsAtSampleIndex(int sampleIndex,
@@ -1347,28 +1350,30 @@ public final class MotionEvent extends InputEvent implements Parcelable {
private final void setPointerCoordsAtSampleIndex(int sampleIndex,
PointerCoords pointerCoords) {
mDataSamples[sampleIndex + SAMPLE_X] = pointerCoords.x - mXOffset;
mDataSamples[sampleIndex + SAMPLE_Y] = pointerCoords.y - mYOffset;
mDataSamples[sampleIndex + SAMPLE_PRESSURE] = pointerCoords.pressure;
mDataSamples[sampleIndex + SAMPLE_SIZE] = pointerCoords.size;
mDataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR] = pointerCoords.touchMajor;
mDataSamples[sampleIndex + SAMPLE_TOUCH_MINOR] = pointerCoords.touchMinor;
mDataSamples[sampleIndex + SAMPLE_TOOL_MAJOR] = pointerCoords.toolMajor;
mDataSamples[sampleIndex + SAMPLE_TOOL_MINOR] = pointerCoords.toolMinor;
mDataSamples[sampleIndex + SAMPLE_ORIENTATION] = pointerCoords.orientation;
final float[] dataSamples = mDataSamples;
dataSamples[sampleIndex + SAMPLE_X] = pointerCoords.x - mXOffset;
dataSamples[sampleIndex + SAMPLE_Y] = pointerCoords.y - mYOffset;
dataSamples[sampleIndex + SAMPLE_PRESSURE] = pointerCoords.pressure;
dataSamples[sampleIndex + SAMPLE_SIZE] = pointerCoords.size;
dataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR] = pointerCoords.touchMajor;
dataSamples[sampleIndex + SAMPLE_TOUCH_MINOR] = pointerCoords.touchMinor;
dataSamples[sampleIndex + SAMPLE_TOOL_MAJOR] = pointerCoords.toolMajor;
dataSamples[sampleIndex + SAMPLE_TOOL_MINOR] = pointerCoords.toolMinor;
dataSamples[sampleIndex + SAMPLE_ORIENTATION] = pointerCoords.orientation;
}
private final void setPointerCoordsAtSampleIndex(int sampleIndex,
float x, float y, float pressure, float size) {
mDataSamples[sampleIndex + SAMPLE_X] = x - mXOffset;
mDataSamples[sampleIndex + SAMPLE_Y] = y - mYOffset;
mDataSamples[sampleIndex + SAMPLE_PRESSURE] = pressure;
mDataSamples[sampleIndex + SAMPLE_SIZE] = size;
mDataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR] = pressure;
mDataSamples[sampleIndex + SAMPLE_TOUCH_MINOR] = pressure;
mDataSamples[sampleIndex + SAMPLE_TOOL_MAJOR] = size;
mDataSamples[sampleIndex + SAMPLE_TOOL_MINOR] = size;
mDataSamples[sampleIndex + SAMPLE_ORIENTATION] = 0;
final float[] dataSamples = mDataSamples;
dataSamples[sampleIndex + SAMPLE_X] = x - mXOffset;
dataSamples[sampleIndex + SAMPLE_Y] = y - mYOffset;
dataSamples[sampleIndex + SAMPLE_PRESSURE] = pressure;
dataSamples[sampleIndex + SAMPLE_SIZE] = size;
dataSamples[sampleIndex + SAMPLE_TOUCH_MAJOR] = pressure;
dataSamples[sampleIndex + SAMPLE_TOUCH_MINOR] = pressure;
dataSamples[sampleIndex + SAMPLE_TOOL_MAJOR] = size;
dataSamples[sampleIndex + SAMPLE_TOOL_MINOR] = size;
dataSamples[sampleIndex + SAMPLE_ORIENTATION] = 0;
}
private final void incrementNumSamplesAndReserveStorage(int dataSampleStride) {