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Merge "Step 26-A Cleanup geometory_utils" into jb-mr1-dev

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Satoshi Kataoka 2012-08-13 23:37:50 -07:00 committed by Android (Google) Code Review
parent 5d6b8e1818 e7398cdb2b
commit d832bec40b
3 changed files with 18 additions and 26 deletions
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5
native/jni/src/geometry_utils.h
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@ -32,11 +32,6 @@ static inline float squareFloat(float x) {
return x * x;
}
static inline float getNormalizedSquaredDistanceFloat(float x1, float y1, float x2, float y2,
float scale) {
return squareFloat((x1 - x2) / scale) + squareFloat((y1 - y2) / scale);
}
static inline float getSquaredDistanceFloat(float x1, float y1, float x2, float y2) {
return squareFloat(x1 - x2) + squareFloat(y1 - y2);
}

37
native/jni/src/proximity_info.cpp
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@ -135,6 +135,21 @@ bool ProximityInfo::hasSpaceProximity(const int x, const int y) const {
return false;
}
static inline float getNormalizedSquaredDistanceFloat(float x1, float y1, float x2, float y2,
float scale) {
return squareFloat((x1 - x2) / scale) + squareFloat((y1 - y2) / scale);
}
float ProximityInfo::getNormalizedSquaredDistanceFromCenterFloat(
const int keyId, const int x, const int y) const {
const float centerX = static_cast<float>(getKeyCenterXOfIdG(keyId));
const float centerY = static_cast<float>(getKeyCenterYOfIdG(keyId));
const float touchX = static_cast<float>(x);
const float touchY = static_cast<float>(y);
const float keyWidth = static_cast<float>(getMostCommonKeyWidth());
return getNormalizedSquaredDistanceFloat(centerX, centerY, touchX, touchY, keyWidth);
}
int ProximityInfo::squaredDistanceToEdge(const int keyId, const int x, const int y) const {
if (keyId < 0) return true; // NOT_A_ID is -1, but return whenever < 0 just in case
const int left = mKeyXCoordinates[keyId];
@ -233,6 +248,7 @@ int ProximityInfo::getKeyCode(const int keyIndex) const {
}
void ProximityInfo::initializeG() {
// TODO: Optimize
for (int i = 0; i < KEY_COUNT; ++i) {
const int code = mKeyCharCodes[i];
const int lowerCode = toBaseLowerCase(code);
@ -285,25 +301,4 @@ int ProximityInfo::getKeyKeyDistanceG(int key0, int key1) const {
}
return 0;
}
// TODO: [Staging] Optimize
void ProximityInfo::getCenters(int *centerXs, int *centerYs, int *codeToKeyIndex,
int *keyToCodeIndex, int *keyCount, int *keyWidth) const {
*keyCount = KEY_COUNT;
*keyWidth = sqrtf(static_cast<float>(MOST_COMMON_KEY_WIDTH_SQUARE));
for (int i = 0; i < KEY_COUNT; ++i) {
const int code = mKeyCharCodes[i];
const int lowerCode = toBaseLowerCase(code);
centerXs[i] = mKeyXCoordinates[i] + mKeyWidths[i] / 2;
centerYs[i] = mKeyYCoordinates[i] + mKeyHeights[i] / 2;
codeToKeyIndex[code] = i;
if (code != lowerCode && lowerCode >= 0 && lowerCode <= MAX_CHAR_CODE) {
codeToKeyIndex[lowerCode] = i;
keyToCodeIndex[i] = lowerCode;
} else {
keyToCodeIndex[i] = code;
}
}
}
} // namespace latinime

2
native/jni/src/proximity_info.h
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@ -38,6 +38,8 @@ class ProximityInfo {
~ProximityInfo();
bool hasSpaceProximity(const int x, const int y) const;
int getNormalizedSquaredDistance(const int inputIndex, const int proximityIndex) const;
float getNormalizedSquaredDistanceFromCenterFloat(
const int keyId, const int x, const int y) const;
bool sameAsTyped(const unsigned short *word, int length) const;
int squaredDistanceToEdge(const int keyId, const int x, const int y) const;
bool isOnKey(const int keyId, const int x, const int y) const {