summaryrefslogtreecommitdiff
path: root/core/java/android
diff options
context:
space:
mode:
Diffstat (limited to 'core/java/android')
-rw-r--r--core/java/android/text/GraphicsOperations.java13
-rw-r--r--core/java/android/text/MeasuredText.java7
-rw-r--r--core/java/android/text/SpannableStringBuilder.java63
-rw-r--r--core/java/android/text/TextLine.java24
-rw-r--r--core/java/android/view/GLES20Canvas.java45
-rw-r--r--core/java/android/view/GLES20RecordingCanvas.java8
-rw-r--r--core/java/android/widget/TextView.java22
7 files changed, 118 insertions, 64 deletions
diff --git a/core/java/android/text/GraphicsOperations.java b/core/java/android/text/GraphicsOperations.java
index 60545e5cbdf2..831ccc556bf9 100644
--- a/core/java/android/text/GraphicsOperations.java
+++ b/core/java/android/text/GraphicsOperations.java
@@ -38,7 +38,7 @@ extends CharSequence
* {@hide}
*/
void drawTextRun(Canvas c, int start, int end, int contextStart, int contextEnd,
- float x, float y, Paint p);
+ float x, float y, int flags, Paint p);
/**
* Just like {@link Paint#measureText}.
@@ -55,12 +55,19 @@ extends CharSequence
* @hide
*/
float getTextRunAdvances(int start, int end, int contextStart, int contextEnd,
- float[] advances, int advancesIndex, Paint paint);
+ int flags, float[] advances, int advancesIndex, Paint paint);
+
+ /**
+ * Just like {@link Paint#getTextRunAdvances}.
+ * @hide
+ */
+ float getTextRunAdvances(int start, int end, int contextStart, int contextEnd,
+ int flags, float[] advances, int advancesIndex, Paint paint, int reserved);
/**
* Just like {@link Paint#getTextRunCursor}.
* @hide
*/
- int getTextRunCursor(int contextStart, int contextEnd, int offset,
+ int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset,
int cursorOpt, Paint p);
}
diff --git a/core/java/android/text/MeasuredText.java b/core/java/android/text/MeasuredText.java
index 0c881a4da6b3..bd9310c1b1b2 100644
--- a/core/java/android/text/MeasuredText.java
+++ b/core/java/android/text/MeasuredText.java
@@ -159,15 +159,18 @@ class MeasuredText {
mPos = p + len;
if (mEasy) {
- return paint.getTextRunAdvances(mChars, p, len, p, len, mWidths, p);
+ int flags = mDir == Layout.DIR_LEFT_TO_RIGHT
+ ? Canvas.DIRECTION_LTR : Canvas.DIRECTION_RTL;
+ return paint.getTextRunAdvances(mChars, p, len, p, len, flags, mWidths, p);
}
float totalAdvance = 0;
int level = mLevels[p];
for (int q = p, i = p + 1, e = p + len;; ++i) {
if (i == e || mLevels[i] != level) {
+ int flags = (level & 0x1) == 0 ? Canvas.DIRECTION_LTR : Canvas.DIRECTION_RTL;
totalAdvance +=
- paint.getTextRunAdvances(mChars, q, i - q, q, i - q, mWidths, q);
+ paint.getTextRunAdvances(mChars, q, i - q, q, i - q, flags, mWidths, q);
if (i == e) {
break;
}
diff --git a/core/java/android/text/SpannableStringBuilder.java b/core/java/android/text/SpannableStringBuilder.java
index 9e4367117a15..0f30d25f7d15 100644
--- a/core/java/android/text/SpannableStringBuilder.java
+++ b/core/java/android/text/SpannableStringBuilder.java
@@ -1130,20 +1130,20 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
* {@hide}
*/
public void drawTextRun(Canvas c, int start, int end, int contextStart, int contextEnd,
- float x, float y, Paint p) {
+ float x, float y, int flags, Paint p) {
checkRange("drawTextRun", start, end);
int contextLen = contextEnd - contextStart;
int len = end - start;
if (contextEnd <= mGapStart) {
- c.drawTextRun(mText, start, len, contextStart, contextLen, x, y, p);
+ c.drawTextRun(mText, start, len, contextStart, contextLen, x, y, flags, p);
} else if (contextStart >= mGapStart) {
c.drawTextRun(mText, start + mGapLength, len, contextStart + mGapLength,
- contextLen, x, y, p);
+ contextLen, x, y, flags, p);
} else {
char[] buf = TextUtils.obtain(contextLen);
getChars(contextStart, contextEnd, buf, 0);
- c.drawTextRun(buf, start - contextStart, len, 0, contextLen, x, y, p);
+ c.drawTextRun(buf, start - contextStart, len, 0, contextLen, x, y, flags, p);
TextUtils.recycle(buf);
}
}
@@ -1200,7 +1200,7 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
* Don't call this yourself -- exists for Paint to use internally.
* {@hide}
*/
- public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd,
+ public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags,
float[] advances, int advancesPos, Paint p) {
float ret;
@@ -1210,15 +1210,44 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
if (end <= mGapStart) {
ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen,
- advances, advancesPos);
+ flags, advances, advancesPos);
} else if (start >= mGapStart) {
ret = p.getTextRunAdvances(mText, start + mGapLength, len,
- contextStart + mGapLength, contextLen, advances, advancesPos);
+ contextStart + mGapLength, contextLen, flags, advances, advancesPos);
} else {
char[] buf = TextUtils.obtain(contextLen);
getChars(contextStart, contextEnd, buf, 0);
ret = p.getTextRunAdvances(buf, start - contextStart, len,
- 0, contextLen, advances, advancesPos);
+ 0, contextLen, flags, advances, advancesPos);
+ TextUtils.recycle(buf);
+ }
+
+ return ret;
+ }
+
+ /**
+ * Don't call this yourself -- exists for Paint to use internally.
+ * {@hide}
+ */
+ public float getTextRunAdvances(int start, int end, int contextStart, int contextEnd, int flags,
+ float[] advances, int advancesPos, Paint p, int reserved) {
+
+ float ret;
+
+ int contextLen = contextEnd - contextStart;
+ int len = end - start;
+
+ if (end <= mGapStart) {
+ ret = p.getTextRunAdvances(mText, start, len, contextStart, contextLen,
+ flags, advances, advancesPos, reserved);
+ } else if (start >= mGapStart) {
+ ret = p.getTextRunAdvances(mText, start + mGapLength, len,
+ contextStart + mGapLength, contextLen, flags, advances, advancesPos, reserved);
+ } else {
+ char[] buf = TextUtils.obtain(contextLen);
+ getChars(contextStart, contextEnd, buf, 0);
+ ret = p.getTextRunAdvances(buf, start - contextStart, len,
+ 0, contextLen, flags, advances, advancesPos, reserved);
TextUtils.recycle(buf);
}
@@ -1241,7 +1270,7 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
*
* @param contextStart the start index of the context
* @param contextEnd the (non-inclusive) end index of the context
- * @param flags reserved
+ * @param flags either DIRECTION_RTL or DIRECTION_LTR
* @param offset the cursor position to move from
* @param cursorOpt how to move the cursor, one of CURSOR_AFTER,
* CURSOR_AT_OR_AFTER, CURSOR_BEFORE,
@@ -1252,30 +1281,22 @@ public class SpannableStringBuilder implements CharSequence, GetChars, Spannable
*/
@Deprecated
public int getTextRunCursor(int contextStart, int contextEnd, int flags, int offset,
- int cursorOpt, Paint p) {
- return getTextRunCursor(contextStart, contextEnd, offset, cursorOpt, p);
- }
-
- /**
- * @hide
- */
- public int getTextRunCursor(int contextStart, int contextEnd, int offset,
- int cursorOpt, Paint p) {
+ int cursorOpt, Paint p) {
int ret;
int contextLen = contextEnd - contextStart;
if (contextEnd <= mGapStart) {
ret = p.getTextRunCursor(mText, contextStart, contextLen,
- offset, cursorOpt);
+ flags, offset, cursorOpt);
} else if (contextStart >= mGapStart) {
ret = p.getTextRunCursor(mText, contextStart + mGapLength, contextLen,
- offset + mGapLength, cursorOpt) - mGapLength;
+ flags, offset + mGapLength, cursorOpt) - mGapLength;
} else {
char[] buf = TextUtils.obtain(contextLen);
getChars(contextStart, contextEnd, buf, 0);
ret = p.getTextRunCursor(buf, 0, contextLen,
- offset - contextStart, cursorOpt) + contextStart;
+ flags, offset - contextStart, cursorOpt) + contextStart;
TextUtils.recycle(buf);
}
diff --git a/core/java/android/text/TextLine.java b/core/java/android/text/TextLine.java
index e34a0efccf21..1fecf81d5a4f 100644
--- a/core/java/android/text/TextLine.java
+++ b/core/java/android/text/TextLine.java
@@ -664,13 +664,14 @@ class TextLine {
}
}
+ int flags = runIsRtl ? Paint.DIRECTION_RTL : Paint.DIRECTION_LTR;
int cursorOpt = after ? Paint.CURSOR_AFTER : Paint.CURSOR_BEFORE;
if (mCharsValid) {
return wp.getTextRunCursor(mChars, spanStart, spanLimit - spanStart,
- offset, cursorOpt);
+ flags, offset, cursorOpt);
} else {
return wp.getTextRunCursor(mText, mStart + spanStart,
- mStart + spanLimit, mStart + offset, cursorOpt) - mStart;
+ mStart + spanLimit, flags, mStart + offset, cursorOpt) - mStart;
}
}
@@ -737,13 +738,15 @@ class TextLine {
int contextLen = contextEnd - contextStart;
if (needWidth || (c != null && (wp.bgColor != 0 || wp.underlineColor != 0 || runIsRtl))) {
+ int flags = runIsRtl ? Paint.DIRECTION_RTL : Paint.DIRECTION_LTR;
if (mCharsValid) {
ret = wp.getTextRunAdvances(mChars, start, runLen,
- contextStart, contextLen, null, 0);
+ contextStart, contextLen, flags, null, 0);
} else {
int delta = mStart;
- ret = wp.getTextRunAdvances(mText, delta + start, delta + end,
- delta + contextStart, delta + contextEnd, null, 0);
+ ret = wp.getTextRunAdvances(mText, delta + start,
+ delta + end, delta + contextStart, delta + contextEnd,
+ flags, null, 0);
}
}
@@ -783,7 +786,8 @@ class TextLine {
wp.setAntiAlias(previousAntiAlias);
}
- drawTextRun(c, wp, start, end, contextStart, contextEnd, x, y + wp.baselineShift);
+ drawTextRun(c, wp, start, end, contextStart, contextEnd, runIsRtl,
+ x, y + wp.baselineShift);
}
return runIsRtl ? -ret : ret;
@@ -966,21 +970,23 @@ class TextLine {
* @param end the end of the run
* @param contextStart the start of context for the run
* @param contextEnd the end of the context for the run
+ * @param runIsRtl true if the run is right-to-left
* @param x the x position of the left edge of the run
* @param y the baseline of the run
*/
private void drawTextRun(Canvas c, TextPaint wp, int start, int end,
- int contextStart, int contextEnd, float x, int y) {
+ int contextStart, int contextEnd, boolean runIsRtl, float x, int y) {
+ int flags = runIsRtl ? Canvas.DIRECTION_RTL : Canvas.DIRECTION_LTR;
if (mCharsValid) {
int count = end - start;
int contextCount = contextEnd - contextStart;
c.drawTextRun(mChars, start, count, contextStart, contextCount,
- x, y, wp);
+ x, y, flags, wp);
} else {
int delta = mStart;
c.drawTextRun(mText, delta + start, delta + end,
- delta + contextStart, delta + contextEnd, x, y, wp);
+ delta + contextStart, delta + contextEnd, x, y, flags, wp);
}
}
diff --git a/core/java/android/view/GLES20Canvas.java b/core/java/android/view/GLES20Canvas.java
index 6c48e434d927..c369ebe8c1b8 100644
--- a/core/java/android/view/GLES20Canvas.java
+++ b/core/java/android/view/GLES20Canvas.java
@@ -1162,14 +1162,14 @@ class GLES20Canvas extends HardwareCanvas {
int modifiers = setupModifiers(paint);
try {
- nDrawText(mRenderer, text, index, count, x, y, paint.mNativePaint);
+ nDrawText(mRenderer, text, index, count, x, y, paint.mBidiFlags, paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
}
}
private static native void nDrawText(int renderer, char[] text, int index, int count,
- float x, float y, int paint);
+ float x, float y, int bidiFlags, int paint);
@Override
public void drawText(CharSequence text, int start, int end, float x, float y, Paint paint) {
@@ -1177,14 +1177,16 @@ class GLES20Canvas extends HardwareCanvas {
try {
if (text instanceof String || text instanceof SpannedString ||
text instanceof SpannableString) {
- nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mNativePaint);
+ nDrawText(mRenderer, text.toString(), start, end, x, y, paint.mBidiFlags,
+ paint.mNativePaint);
} else if (text instanceof GraphicsOperations) {
((GraphicsOperations) text).drawText(this, start, end, x, y,
paint);
} else {
char[] buf = TemporaryBuffer.obtain(end - start);
TextUtils.getChars(text, start, end, buf, 0);
- nDrawText(mRenderer, buf, 0, end - start, x, y, paint.mNativePaint);
+ nDrawText(mRenderer, buf, 0, end - start, x, y,
+ paint.mBidiFlags, paint.mNativePaint);
TemporaryBuffer.recycle(buf);
}
} finally {
@@ -1200,20 +1202,21 @@ class GLES20Canvas extends HardwareCanvas {
int modifiers = setupModifiers(paint);
try {
- nDrawText(mRenderer, text, start, end, x, y, paint.mNativePaint);
+ nDrawText(mRenderer, text, start, end, x, y, paint.mBidiFlags, paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
}
}
private static native void nDrawText(int renderer, String text, int start, int end,
- float x, float y, int paint);
+ float x, float y, int bidiFlags, int paint);
@Override
public void drawText(String text, float x, float y, Paint paint) {
int modifiers = setupModifiers(paint);
try {
- nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mNativePaint);
+ nDrawText(mRenderer, text, 0, text.length(), x, y, paint.mBidiFlags,
+ paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
}
@@ -1229,14 +1232,14 @@ class GLES20Canvas extends HardwareCanvas {
int modifiers = setupModifiers(paint);
try {
nDrawTextOnPath(mRenderer, text, index, count, path.mNativePath, hOffset, vOffset,
- paint.mNativePaint);
+ paint.mBidiFlags, paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
}
}
private static native void nDrawTextOnPath(int renderer, char[] text, int index, int count,
- int path, float hOffset, float vOffset, int nativePaint);
+ int path, float hOffset, float vOffset, int bidiFlags, int nativePaint);
@Override
public void drawTextOnPath(String text, Path path, float hOffset, float vOffset, Paint paint) {
@@ -1245,25 +1248,28 @@ class GLES20Canvas extends HardwareCanvas {
int modifiers = setupModifiers(paint);
try {
nDrawTextOnPath(mRenderer, text, 0, text.length(), path.mNativePath, hOffset, vOffset,
- paint.mNativePaint);
+ paint.mBidiFlags, paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
}
}
private static native void nDrawTextOnPath(int renderer, String text, int start, int end,
- int path, float hOffset, float vOffset, int nativePaint);
+ int path, float hOffset, float vOffset, int bidiFlags, int nativePaint);
@Override
public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount,
- float x, float y, Paint paint) {
+ float x, float y, int dir, Paint paint) {
if ((index | count | text.length - index - count) < 0) {
throw new IndexOutOfBoundsException();
}
+ if (dir != DIRECTION_LTR && dir != DIRECTION_RTL) {
+ throw new IllegalArgumentException("Unknown direction: " + dir);
+ }
int modifiers = setupModifiers(paint);
try {
- nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y,
+ nDrawTextRun(mRenderer, text, index, count, contextIndex, contextCount, x, y, dir,
paint.mNativePaint);
} finally {
if (modifiers != MODIFIER_NONE) nResetModifiers(mRenderer, modifiers);
@@ -1271,31 +1277,32 @@ class GLES20Canvas extends HardwareCanvas {
}
private static native void nDrawTextRun(int renderer, char[] text, int index, int count,
- int contextIndex, int contextCount, float x, float y, int nativePaint);
+ int contextIndex, int contextCount, float x, float y, int dir, int nativePaint);
@Override
public void drawTextRun(CharSequence text, int start, int end, int contextStart, int contextEnd,
- float x, float y, Paint paint) {
+ float x, float y, int dir, Paint paint) {
if ((start | end | end - start | text.length() - end) < 0) {
throw new IndexOutOfBoundsException();
}
int modifiers = setupModifiers(paint);
try {
+ int flags = dir == 0 ? 0 : 1;
if (text instanceof String || text instanceof SpannedString ||
text instanceof SpannableString) {
nDrawTextRun(mRenderer, text.toString(), start, end, contextStart,
- contextEnd, x, y, paint.mNativePaint);
+ contextEnd, x, y, flags, paint.mNativePaint);
} else if (text instanceof GraphicsOperations) {
((GraphicsOperations) text).drawTextRun(this, start, end,
- contextStart, contextEnd, x, y, paint);
+ contextStart, contextEnd, x, y, flags, paint);
} else {
int contextLen = contextEnd - contextStart;
int len = end - start;
char[] buf = TemporaryBuffer.obtain(contextLen);
TextUtils.getChars(text, contextStart, contextEnd, buf, 0);
nDrawTextRun(mRenderer, buf, start - contextStart, len, 0, contextLen,
- x, y, paint.mNativePaint);
+ x, y, flags, paint.mNativePaint);
TemporaryBuffer.recycle(buf);
}
} finally {
@@ -1304,7 +1311,7 @@ class GLES20Canvas extends HardwareCanvas {
}
private static native void nDrawTextRun(int renderer, String text, int start, int end,
- int contextStart, int contextEnd, float x, float y, int nativePaint);
+ int contextStart, int contextEnd, float x, float y, int flags, int nativePaint);
@Override
public void drawVertices(VertexMode mode, int vertexCount, float[] verts, int vertOffset,
diff --git a/core/java/android/view/GLES20RecordingCanvas.java b/core/java/android/view/GLES20RecordingCanvas.java
index 947cf4413178..7da245157949 100644
--- a/core/java/android/view/GLES20RecordingCanvas.java
+++ b/core/java/android/view/GLES20RecordingCanvas.java
@@ -267,15 +267,15 @@ class GLES20RecordingCanvas extends GLES20Canvas {
@Override
public void drawTextRun(char[] text, int index, int count, int contextIndex, int contextCount,
- float x, float y, Paint paint) {
- super.drawTextRun(text, index, count, contextIndex, contextCount, x, y, paint);
+ float x, float y, int dir, Paint paint) {
+ super.drawTextRun(text, index, count, contextIndex, contextCount, x, y, dir, paint);
recordShaderBitmap(paint);
}
@Override
public void drawTextRun(CharSequence text, int start, int end, int contextStart,
- int contextEnd, float x, float y, Paint paint) {
- super.drawTextRun(text, start, end, contextStart, contextEnd, x, y, paint);
+ int contextEnd, float x, float y, int dir, Paint paint) {
+ super.drawTextRun(text, start, end, contextStart, contextEnd, x, y, dir, paint);
recordShaderBitmap(paint);
}
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index adacef27515d..b084ac437f77 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -8813,11 +8813,11 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
}
public void drawTextRun(Canvas c, int start, int end,
- int contextStart, int contextEnd, float x, float y, Paint p) {
+ int contextStart, int contextEnd, float x, float y, int flags, Paint p) {
int count = end - start;
int contextCount = contextEnd - contextStart;
c.drawTextRun(mChars, start + mStart, count, contextStart + mStart,
- contextCount, x, y, p);
+ contextCount, x, y, flags, p);
}
public float measureText(int start, int end, Paint p) {
@@ -8829,20 +8829,30 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
}
public float getTextRunAdvances(int start, int end, int contextStart,
- int contextEnd, float[] advances, int advancesIndex,
+ int contextEnd, int flags, float[] advances, int advancesIndex,
Paint p) {
int count = end - start;
int contextCount = contextEnd - contextStart;
return p.getTextRunAdvances(mChars, start + mStart, count,
- contextStart + mStart, contextCount, advances,
+ contextStart + mStart, contextCount, flags, advances,
advancesIndex);
}
- public int getTextRunCursor(int contextStart, int contextEnd,
+ public float getTextRunAdvances(int start, int end, int contextStart,
+ int contextEnd, int flags, float[] advances, int advancesIndex,
+ Paint p, int reserved) {
+ int count = end - start;
+ int contextCount = contextEnd - contextStart;
+ return p.getTextRunAdvances(mChars, start + mStart, count,
+ contextStart + mStart, contextCount, flags, advances,
+ advancesIndex, reserved);
+ }
+
+ public int getTextRunCursor(int contextStart, int contextEnd, int flags,
int offset, int cursorOpt, Paint p) {
int contextCount = contextEnd - contextStart;
return p.getTextRunCursor(mChars, contextStart + mStart,
- contextCount, offset + mStart, cursorOpt);
+ contextCount, flags, offset + mStart, cursorOpt);
}
}
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-06 17:02:38 +0000