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Pass the touch position correction data to native. 

Change-Id: I92958779377a530410d1682100f9d0a2ba267dea
main
Yusuke Nojima 2011-09-29 16:44:54 +09:00
parent b45e095aa2
commit ad35835bac
8 changed files with 107 additions and 106 deletions
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1
CleanSpec.mk
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@ -50,6 +50,7 @@ $(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/app/LatinIME.apk)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libjni_latinime_intermediates)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libjni_latinime_intermediates)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libjni_latinime_intermediates)
$(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libjni_latinime_intermediates)
# ************************************************
# NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
# ************************************************

2
java/src/com/android/inputmethod/keyboard/Keyboard.java
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@ -138,7 +138,7 @@ public class Keyboard {
mProximityInfo = new ProximityInfo(
params.GRID_WIDTH, params.GRID_HEIGHT, mOccupiedWidth, mOccupiedHeight,
mMostCommonKeyWidth, mKeys, params.mTouchPositionCorrectionXs,
mMostCommonKeyWidth, mMostCommonKeyHeight, mKeys, params.mTouchPositionCorrectionXs,
params.mTouchPositionCorrectionYs, params.mTouchPositionCorrectionRadii);
}

71
java/src/com/android/inputmethod/keyboard/ProximityInfo.java
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@ -16,6 +16,9 @@
package com.android.inputmethod.keyboard;
import android.graphics.Rect;
import com.android.inputmethod.keyboard.Key;
import com.android.inputmethod.latin.Utils;
import com.android.inputmethod.latin.spellcheck.SpellCheckerProximityInfo;
@ -27,9 +30,9 @@ public class ProximityInfo {
public static final int MAX_PROXIMITY_CHARS_SIZE = 16;
/** Number of key widths from current touch point to search for nearest keys. */
private static float SEARCH_DISTANCE = 1.2f;
private static final int UNKNOWN_THEME = -1;
private static final int[] EMPTY_INT_ARRAY = new int[0];
private final int mKeyHeight;
private final int mGridWidth;
private final int mGridHeight;
private final int mGridSize;
@ -45,8 +48,8 @@ public class ProximityInfo {
private final float[] mTouchPositionCorrectionRadii;
ProximityInfo(int gridWidth, int gridHeight, int minWidth, int height, int keyWidth,
List<Key> keys, float[] touchPositionCorrectionXs, float[] touchPositionCorrectionYs,
float[] touchPositionCorrectionRadii) {
int keyHeight, List<Key> keys, float[] touchPositionCorrectionXs,
float[] touchPositionCorrectionYs, float[] touchPositionCorrectionRadii) {
mGridWidth = gridWidth;
mGridHeight = gridHeight;
mGridSize = mGridWidth * mGridHeight;
@ -54,6 +57,7 @@ public class ProximityInfo {
mCellHeight = (height + mGridHeight - 1) / mGridHeight;
mKeyboardMinWidth = minWidth;
mKeyboardHeight = height;
mKeyHeight = keyHeight;
mTouchPositionCorrectionXs = touchPositionCorrectionXs;
mTouchPositionCorrectionYs = touchPositionCorrectionYs;
mTouchPositionCorrectionRadii = touchPositionCorrectionRadii;
@ -66,7 +70,7 @@ public class ProximityInfo {
}
public static ProximityInfo createDummyProximityInfo() {
return new ProximityInfo(1, 1, 1, 1, 1, Collections.<Key>emptyList(), null, null, null);
return new ProximityInfo(1, 1, 1, 1, 1, 1, Collections.<Key>emptyList(), null, null, null);
}
public static ProximityInfo createSpellCheckerProximityInfo() {
@ -75,7 +79,7 @@ public class ProximityInfo {
spellCheckerProximityInfo.setProximityInfoNative(
SpellCheckerProximityInfo.ROW_SIZE,
480, 300, 10, 3, SpellCheckerProximityInfo.PROXIMITY,
0, null, null, null, null, null, UNKNOWN_THEME);
0, null, null, null, null, null, null, null, null);
return spellCheckerProximityInfo;
}
@ -86,7 +90,8 @@ public class ProximityInfo {
private native int setProximityInfoNative(int maxProximityCharsSize, int displayWidth,
int displayHeight, int gridWidth, int gridHeight, int[] proximityCharsArray,
int keyCount, int[] keyXCoordinates, int[] keyYCoordinates,
int[] keyWidths, int[] keyHeights, int[] keyCharCodes, int themeId);
int[] keyWidths, int[] keyHeights, int[] keyCharCodes,
float[] sweetSpotCenterX, float[] sweetSpotCenterY, float[] sweetSpotRadii);
private native void releaseProximityInfoNative(int nativeProximityInfo);
private final void setProximityInfo(int[][] gridNeighborKeyIndexes, int keyboardWidth,
@ -101,12 +106,11 @@ public class ProximityInfo {
}
}
final int keyCount = keys.size();
int[] keyXCoordinates = new int[keyCount];
int[] keyYCoordinates = new int[keyCount];
int[] keyWidths = new int[keyCount];
int[] keyHeights = new int[keyCount];
int[] keyCharCodes = new int[keyCount];
final int themeId = 5; // TODO: Use real theme id.
final int[] keyXCoordinates = new int[keyCount];
final int[] keyYCoordinates = new int[keyCount];
final int[] keyWidths = new int[keyCount];
final int[] keyHeights = new int[keyCount];
final int[] keyCharCodes = new int[keyCount];
for (int i = 0; i < keyCount; ++i) {
final Key key = keys.get(i);
keyXCoordinates[i] = key.mX;
@ -115,10 +119,51 @@ public class ProximityInfo {
keyHeights[i] = key.mHeight;
keyCharCodes[i] = key.mCode;
}
final boolean hasTouchPositionCorrectionData =
mTouchPositionCorrectionXs != null
&& mTouchPositionCorrectionYs != null
&& mTouchPositionCorrectionRadii != null
&& mTouchPositionCorrectionXs.length > 0
&& mTouchPositionCorrectionYs.length > 0
&& mTouchPositionCorrectionRadii.length > 0;
final float[] sweetSpotCenterXs =
hasTouchPositionCorrectionData ? new float[keyCount] : null;
final float[] sweetSpotCenterYs =
hasTouchPositionCorrectionData ? new float[keyCount] : null;
final float[] sweetSpotRadii =
hasTouchPositionCorrectionData ? new float[keyCount] : null;
if (hasTouchPositionCorrectionData) {
calculateSweetSpot(keys, sweetSpotCenterXs, sweetSpotCenterYs, sweetSpotRadii);
}
mNativeProximityInfo = setProximityInfoNative(MAX_PROXIMITY_CHARS_SIZE,
keyboardWidth, keyboardHeight, mGridWidth, mGridHeight, proximityCharsArray,
keyCount, keyXCoordinates, keyYCoordinates, keyWidths, keyHeights, keyCharCodes,
themeId);
sweetSpotCenterXs, sweetSpotCenterYs, sweetSpotRadii);
}
private void calculateSweetSpot(List<Key> keys, float[] sweetSpotCenterXs,
float[] sweetSpotCenterYs, float[] sweetSpotRadii) {
final int keyCount = keys.size();
for (int i = 0; i < keyCount; ++i) {
final Key key = keys.get(i);
final Rect hitBox = key.mHitBox;
final int row = hitBox.top / mKeyHeight;
if (row < mTouchPositionCorrectionRadii.length) {
final float hitBoxCenterX = (hitBox.left + hitBox.right) * 0.5f;
final float hitBoxCenterY = (hitBox.top + hitBox.bottom) * 0.5f;
final float hitBoxWidth = hitBox.right - hitBox.left;
final float hitBoxHeight = hitBox.bottom - hitBox.top;
final float x = mTouchPositionCorrectionXs[row];
final float y = mTouchPositionCorrectionYs[row];
final float radius = mTouchPositionCorrectionRadii[row];
sweetSpotCenterXs[i] = hitBoxCenterX + x * hitBoxWidth;
sweetSpotCenterYs[i] = hitBoxCenterY + y * hitBoxHeight;
sweetSpotRadii[i] = radius
* (float)Math.sqrt(hitBoxWidth * hitBoxWidth + hitBoxHeight * hitBoxHeight);
}
}
}
public int getNativeProximityInfo() {

16
native/jni/com_android_inputmethod_keyboard_ProximityInfo.cpp
View File

@ -32,18 +32,27 @@ static jint latinime_Keyboard_setProximityInfo(JNIEnv *env, jobject object,
jint maxProximityCharsSize, jint displayWidth, jint displayHeight, jint gridWidth,
jint gridHeight, jintArray proximityCharsArray, jint keyCount,
jintArray keyXCoordinateArray, jintArray keyYCoordinateArray, jintArray keyWidthArray,
jintArray keyHeightArray, jintArray keyCharCodeArray, jint themeId) {
jintArray keyHeightArray, jintArray keyCharCodeArray,
jfloatArray sweetSpotCenterXArray, jfloatArray sweetSpotCenterYArray,
jfloatArray sweetSpotRadiusArray) {
jint *proximityChars = env->GetIntArrayElements(proximityCharsArray, NULL);
jint *keyXCoordinates = safeGetIntArrayElements(env, keyXCoordinateArray);
jint *keyYCoordinates = safeGetIntArrayElements(env, keyYCoordinateArray);
jint *keyWidths = safeGetIntArrayElements(env, keyWidthArray);
jint *keyHeights = safeGetIntArrayElements(env, keyHeightArray);
jint *keyCharCodes = safeGetIntArrayElements(env, keyCharCodeArray);
jfloat *sweetSpotCenterXs = safeGetFloatArrayElements(env, sweetSpotCenterXArray);
jfloat *sweetSpotCenterYs = safeGetFloatArrayElements(env, sweetSpotCenterYArray);
jfloat *sweetSpotRadii = safeGetFloatArrayElements(env, sweetSpotRadiusArray);
ProximityInfo *proximityInfo = new ProximityInfo(maxProximityCharsSize, displayWidth,
displayHeight, gridWidth, gridHeight, (const uint32_t*)proximityChars,
keyCount, (const int32_t*)keyXCoordinates, (const int32_t*)keyYCoordinates,
(const int32_t*)keyWidths, (const int32_t*)keyHeights, (const int32_t*)keyCharCodes,
themeId);
(const float*)sweetSpotCenterXs, (const float*)sweetSpotCenterYs,
(const float*)sweetSpotRadii);
safeReleaseFloatArrayElements(env, sweetSpotRadiusArray, sweetSpotRadii);
safeReleaseFloatArrayElements(env, sweetSpotCenterYArray, sweetSpotCenterYs);
safeReleaseFloatArrayElements(env, sweetSpotCenterXArray, sweetSpotCenterXs);
safeReleaseIntArrayElements(env, keyCharCodeArray, keyCharCodes);
safeReleaseIntArrayElements(env, keyHeightArray, keyHeights);
safeReleaseIntArrayElements(env, keyWidthArray, keyWidths);
@ -60,7 +69,8 @@ static void latinime_Keyboard_release(JNIEnv *env, jobject object, jint proximit
}
static JNINativeMethod sKeyboardMethods[] = {
{"setProximityInfoNative", "(IIIII[II[I[I[I[I[II)I", (void*)latinime_Keyboard_setProximityInfo},
{"setProximityInfoNative", "(IIIII[II[I[I[I[I[I[F[F[F)I",
(void*)latinime_Keyboard_setProximityInfo},
{"releaseProximityInfoNative", "(I)V", (void*)latinime_Keyboard_release}
};

14
native/jni/jni_common.h
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@ -35,12 +35,26 @@ inline jint *safeGetIntArrayElements(JNIEnv *env, jintArray jArray) {
}
}
inline jfloat *safeGetFloatArrayElements(JNIEnv *env, jfloatArray jArray) {
if (jArray) {
return env->GetFloatArrayElements(jArray, NULL);
} else {
return NULL;
}
}
inline void safeReleaseIntArrayElements(JNIEnv *env, jintArray jArray, jint *cArray) {
if (jArray) {
env->ReleaseIntArrayElements(jArray, cArray, 0);
}
}
inline void safeReleaseFloatArrayElements(JNIEnv *env, jfloatArray jArray, jfloat *cArray) {
if (jArray) {
env->ReleaseFloatArrayElements(jArray, cArray, 0);
}
}
} // namespace latinime
#endif // LATINIME_JNI_COMMON_H

61
native/src/defines_touch_position_correction.h
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@ -1,61 +0,0 @@
/*
**
** Copyright 2011, The Android Open Source Project
**
** Licensed under the Apache License, Version 2.0 (the "License");
** you may not use this file except in compliance with the License.
** You may obtain a copy of the License at
**
** http://www.apache.org/licenses/LICENSE-2.0
**
** Unless required by applicable law or agreed to in writing, software
** distributed under the License is distributed on an "AS IS" BASIS,
** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
** See the License for the specific language governing permissions and
** limitations under the License.
*/
#ifndef LATINIME_DEFINES_TOUCH_POSITION_CORRECTION_H
#define LATINIME_DEFINES_TOUCH_POSITION_CORRECTION_H
#define OUTER_SWEET_SPOT_RADIUS_RATIO 1.3
static const char* TOUCH_POSITION_CORRECTION_GROUPS[] = {
"qwertyuiop",
"a",
"sdfghjk",
"l",
"zxcvbnm",
};
// (center X) / (key width)
static const float RELATIVE_TOUCH_CENTER_X[] = {
0, // qwertyuiop
-0.26871, // a
0, // sdfghjk
0.028050, // l
0, // zxcvbnm
};
// (center Y) / (key height)
static const float RELATIVE_TOUCH_CENTER_Y[] = {
0.192088, // qwertyuiop
0.214100, // a
0.216640, // sdfghjk
0.233288, // l
0.286598, // zxcvbnm
};
// (sweet spot radius) / ((key width) + (key height))
static const float SWEET_SPOT_RADIUS[] = {
0.148955, // qwertyuiop
0.185437, // a
0.145522, // sdfghjk
0.156882, // l
0.144211, // zxcvbnm
};
#define CORRECTION_GROUP_COUNT \
((int)(sizeof(TOUCH_POSITION_CORRECTION_GROUPS) / sizeof(TOUCH_POSITION_CORRECTION_GROUPS[0])))
#endif // LATINIME_DEFINES_TOUCH_POSITION_CORRECTION_H

33
native/src/proximity_info.cpp
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@ -20,7 +20,6 @@
#define LOG_TAG "LatinIME: proximity_info.cpp"
#include "defines_touch_position_correction.h"
#include "dictionary.h"
#include "proximity_info.h"
@ -38,12 +37,13 @@ ProximityInfo::ProximityInfo(const int maxProximityCharsSize, const int keyboard
const int keyboardHeight, const int gridWidth, const int gridHeight,
const uint32_t *proximityCharsArray, const int keyCount, const int32_t *keyXCoordinates,
const int32_t *keyYCoordinates, const int32_t *keyWidths, const int32_t *keyHeights,
const int32_t *keyCharCodes, int themeId)
const int32_t *keyCharCodes, const float *sweetSpotCenterXs, const float *sweetSpotCenterYs,
const float *sweetSpotRadii)
: MAX_PROXIMITY_CHARS_SIZE(maxProximityCharsSize), KEYBOARD_WIDTH(keyboardWidth),
KEYBOARD_HEIGHT(keyboardHeight), GRID_WIDTH(gridWidth), GRID_HEIGHT(gridHeight),
CELL_WIDTH((keyboardWidth + gridWidth - 1) / gridWidth),
CELL_HEIGHT((keyboardHeight + gridHeight - 1) / gridHeight),
KEY_COUNT(min(keyCount, MAX_KEY_COUNT_IN_A_KEYBOARD)), THEME_ID(themeId) {
KEY_COUNT(min(keyCount, MAX_KEY_COUNT_IN_A_KEYBOARD)) {
const int len = GRID_WIDTH * GRID_HEIGHT * MAX_PROXIMITY_CHARS_SIZE;
mProximityCharsArray = new uint32_t[len];
if (DEBUG_PROXIMITY_INFO) {
@ -56,33 +56,24 @@ ProximityInfo::ProximityInfo(const int maxProximityCharsSize, const int keyboard
copyOrFillZero(mKeyWidths, keyWidths, KEY_COUNT * sizeof(mKeyWidths[0]));
copyOrFillZero(mKeyHeights, keyHeights, KEY_COUNT * sizeof(mKeyHeights[0]));
copyOrFillZero(mKeyCharCodes, keyCharCodes, KEY_COUNT * sizeof(mKeyCharCodes[0]));
copyOrFillZero(mSweetSpotCenterXs, sweetSpotCenterXs,
KEY_COUNT * sizeof(mSweetSpotCenterXs[0]));
copyOrFillZero(mSweetSpotCenterYs, sweetSpotCenterYs,
KEY_COUNT * sizeof(mSweetSpotCenterYs[0]));
copyOrFillZero(mSweetSpotRadii, sweetSpotRadii, KEY_COUNT * sizeof(mSweetSpotRadii[0]));
initializeCodeToGroup();
initializeCodeToKeyIndex();
}
// Build the reversed look up table from the char code to the index in its group.
// see TOUCH_POSITION_CORRECTION_GROUPS
void ProximityInfo::initializeCodeToGroup() {
memset(mCodeToGroup, -1, (MAX_GROUPED_CHAR_CODE + 1) * sizeof(mCodeToGroup[0]));
for (int i = 0; i < CORRECTION_GROUP_COUNT; ++i) {
const char *group = TOUCH_POSITION_CORRECTION_GROUPS[i];
for (int j = 0; group[j]; ++j) {
const int code = group[j];
if (0 <= code && code <= MAX_GROUPED_CHAR_CODE)
mCodeToGroup[code] = i;
}
}
}
// Build the reversed look up table from the char code to the index in mKeyXCoordinates,
// mKeyYCoordinates, mKeyWidths, mKeyHeights, mKeyCharCodes.
void ProximityInfo::initializeCodeToKeyIndex() {
memset(mCodeToKeyIndex, -1, (MAX_GROUPED_CHAR_CODE + 1) * sizeof(mCodeToKeyIndex[0]));
memset(mCodeToKeyIndex, -1, (MAX_CHAR_CODE + 1) * sizeof(mCodeToKeyIndex[0]));
for (int i = 0; i < KEY_COUNT; ++i) {
const int code = mKeyCharCodes[i];
if (0 <= code && code <= MAX_GROUPED_CHAR_CODE)
if (0 <= code && code <= MAX_CHAR_CODE) {
mCodeToKeyIndex[code] = i;
}
}
}
@ -210,6 +201,6 @@ bool ProximityInfo::sameAsTyped(const unsigned short *word, int length) const {
}
const int ProximityInfo::MAX_KEY_COUNT_IN_A_KEYBOARD;
const int ProximityInfo::MAX_GROUPED_CHAR_CODE;
const int ProximityInfo::MAX_CHAR_CODE;
} // namespace latinime

15
native/src/proximity_info.h
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@ -37,7 +37,8 @@ public:
const int keybaordHeight, const int gridWidth, const int gridHeight,
const uint32_t *proximityCharsArray, const int keyCount, const int32_t *keyXCoordinates,
const int32_t *keyYCoordinates, const int32_t *keyWidths, const int32_t *keyHeights,
const int32_t *keyCharCodes, int themeId);
const int32_t *keyCharCodes, const float *sweetSpotCenterXs,
const float *sweetSpotCenterYs, const float *sweetSpotRadii);
~ProximityInfo();
bool hasSpaceProximity(const int x, const int y) const;
void setInputParams(const int* inputCodes, const int inputLength);
@ -55,11 +56,10 @@ public:
private:
// The max number of the keys in one keyboard layout
static const int MAX_KEY_COUNT_IN_A_KEYBOARD = 64;
// The upper limit of the char code in TOUCH_POSITION_CORRECTION_GROUP
static const int MAX_GROUPED_CHAR_CODE = 127;
// The upper limit of the char code in mCodeToKeyIndex
static const int MAX_CHAR_CODE = 127;
int getStartIndexFromCoordinates(const int x, const int y) const;
void initializeCodeToGroup();
void initializeCodeToKeyIndex();
const int MAX_PROXIMITY_CHARS_SIZE;
const int KEYBOARD_WIDTH;
@ -69,7 +69,6 @@ private:
const int CELL_WIDTH;
const int CELL_HEIGHT;
const int KEY_COUNT;
const int THEME_ID;
const int *mInputCodes;
uint32_t *mProximityCharsArray;
int32_t mKeyXCoordinates[MAX_KEY_COUNT_IN_A_KEYBOARD];
@ -77,10 +76,12 @@ private:
int32_t mKeyWidths[MAX_KEY_COUNT_IN_A_KEYBOARD];
int32_t mKeyHeights[MAX_KEY_COUNT_IN_A_KEYBOARD];
int32_t mKeyCharCodes[MAX_KEY_COUNT_IN_A_KEYBOARD];
float mSweetSpotCenterXs[MAX_KEY_COUNT_IN_A_KEYBOARD];
float mSweetSpotCenterYs[MAX_KEY_COUNT_IN_A_KEYBOARD];
float mSweetSpotRadii[MAX_KEY_COUNT_IN_A_KEYBOARD];
int mInputLength;
unsigned short mPrimaryInputWord[MAX_WORD_LENGTH_INTERNAL];
int mCodeToGroup[MAX_GROUPED_CHAR_CODE + 1];
int mCodeToKeyIndex[MAX_GROUPED_CHAR_CODE + 1];
int mCodeToKeyIndex[MAX_CHAR_CODE + 1];
};
} // namespace latinime