diff options
Diffstat (limited to 'graphics/java/android')
| -rw-r--r-- | graphics/java/android/graphics/Paint.java | 166 | ||||
| -rw-r--r-- | graphics/java/android/graphics/text/LineBreaker.java | 30 |
2 files changed, 151 insertions, 45 deletions
diff --git a/graphics/java/android/graphics/Paint.java b/graphics/java/android/graphics/Paint.java index 9eeb43b579bc..452f7c93f8aa 100644 --- a/graphics/java/android/graphics/Paint.java +++ b/graphics/java/android/graphics/Paint.java @@ -364,19 +364,79 @@ public class Paint { */ private static final int CURSOR_OPT_MAX_VALUE = CURSOR_AT; + /** @hide */ + @IntDef(prefix = { "START_HYPHEN_EDIT_" }, value = { + START_HYPHEN_EDIT_NO_EDIT, + START_HYPHEN_EDIT_INSERT_HYPHEN, + START_HYPHEN_EDIT_INSERT_ZWJ + }) + @Retention(RetentionPolicy.SOURCE) + public @interface StartHyphenEdit {} + /** - * Mask for hyphen edits that happen at the end of a line. Keep in sync with the definition in - * Minikin's Hyphenator.h. - * @hide + * An integer representing the starting of the line has no modification for hyphenation. */ - public static final int HYPHENEDIT_MASK_END_OF_LINE = 0x07; + public static final int START_HYPHEN_EDIT_NO_EDIT = 0x00; /** - * Mask for hyphen edits that happen at the start of a line. Keep in sync with the definition in - * Minikin's Hyphenator.h. - * @hide + * An integer representing the starting of the line has normal hyphen character (U+002D). + */ + public static final int START_HYPHEN_EDIT_INSERT_HYPHEN = 0x01; + + /** + * An integer representing the starting of the line has Zero-Width-Joiner (U+200D). + */ + public static final int START_HYPHEN_EDIT_INSERT_ZWJ = 0x02; + + /** @hide */ + @IntDef(prefix = { "END_HYPHEN_EDIT_" }, value = { + END_HYPHEN_EDIT_NO_EDIT, + END_HYPHEN_EDIT_REPLACE_WITH_HYPHEN, + END_HYPHEN_EDIT_INSERT_HYPHEN, + END_HYPHEN_EDIT_INSERT_ARMENIAN_HYPHEN, + END_HYPHEN_EDIT_INSERT_MAQAF, + END_HYPHEN_EDIT_INSERT_UCAS_HYPHEN, + END_HYPHEN_EDIT_INSERT_ZWJ_AND_HYPHEN + }) + @Retention(RetentionPolicy.SOURCE) + public @interface EndHyphenEdit {} + + /** + * An integer representing the end of the line has no modification for hyphenation. + */ + public static final int END_HYPHEN_EDIT_NO_EDIT = 0x00; + + /** + * An integer representing the character at the end of the line is replaced with hyphen + * character (U+002D). + */ + public static final int END_HYPHEN_EDIT_REPLACE_WITH_HYPHEN = 0x01; + + /** + * An integer representing the end of the line has normal hyphen character (U+002D). + */ + public static final int END_HYPHEN_EDIT_INSERT_HYPHEN = 0x02; + + /** + * An integer representing the end of the line has Armentian hyphen (U+058A). + */ + public static final int END_HYPHEN_EDIT_INSERT_ARMENIAN_HYPHEN = 0x03; + + /** + * An integer representing the end of the line has maqaf (Hebrew hyphen, U+05BE). */ - public static final int HYPHENEDIT_MASK_START_OF_LINE = 0x03 << 3; + public static final int END_HYPHEN_EDIT_INSERT_MAQAF = 0x04; + + /** + * An integer representing the end of the line has Canadian Syllabics hyphen (U+1400). + */ + public static final int END_HYPHEN_EDIT_INSERT_UCAS_HYPHEN = 0x05; + + /** + * An integer representing the end of the line has Zero-Width-Joiner (U+200D) followed by normal + * hyphen character (U+002D). + */ + public static final int END_HYPHEN_EDIT_INSERT_ZWJ_AND_HYPHEN = 0x06; /** * The Style specifies if the primitive being drawn is filled, stroked, or @@ -1873,54 +1933,80 @@ public class Paint { } /** - * Get the current value of packed hyphen edit. + * Get the current value of start hyphen edit. + * + * The default value is 0 which is equivalent to {@link #START_HYPHEN_EDIT_NO_EDIT}. * - * You can extract start hyphen edit and end hyphen edit by using - * {@link android.text.Hyphenator#unpackStartHyphenEdit(int)} and - * {@link android.text.Hyphenator#unpackEndHyphenEdit(int)}. + * @return the current starting hyphen edit value + * @see #setStartHyphenEdit(int) + */ + public @StartHyphenEdit int getStartHyphenEdit() { + return nGetStartHyphenEdit(mNativePaint); + } + + /** + * Get the current value of end hyphen edit. * - * The default value is 0 which is equivalent to packed value of - * {@link android.text.Hyphenator#START_HYPHEN_EDIT_NO_EDIT} and - * {@link android.text.Hyphenator#END_HYPHEN_EDIT_NO_EDIT}. + * The default value is 0 which is equivalent to {@link #END_HYPHEN_EDIT_NO_EDIT}. * - * @return the current hyphen edit value - * @see #setHyphenEdit(int) + * @return the current starting hyphen edit value + * @see #setStartHyphenEdit(int) */ - public int getHyphenEdit() { - return nGetHyphenEdit(mNativePaint); + public @EndHyphenEdit int getEndHyphenEdit() { + return nGetEndHyphenEdit(mNativePaint); } /** - * Set a packed hyphen edit on the paint. + * Set a start hyphen edit on the paint. * - * By setting hyphen edit, the measurement and drawing is performed with modifying hyphenation - * at the start of line and end of line. For example, by passing - * {@link android.text.Hyphenator#END_HYPHEN_EDIT_INSERT_HYPHEN} like as follows, HYPHEN(U+2010) + * By setting start hyphen edit, the measurement and drawing is performed with modifying + * hyphenation at the start of line. For example, by passing + * {@link #START_HYPHEN_EDIT_INSERT_HYPHEN} like as follows, HYPHEN(U+2010) + * character is appended at the start of line. + * + * <pre> + * <code> + * Paint paint = new Paint(); + * paint.setStartHyphenEdit(Paint.START_HYPHEN_EDIT_INSERT_HYPHEN); + * paint.measureText("abc", 0, 3); // Returns the width of "‐abc" + * Canvas.drawText("abc", 0, 3, 0f, 0f, paint); // Draws "‐abc" + * </code> + * </pre> + * + * The default value is 0 which is equivalent to + * {@link #START_HYPHEN_EDIT_NO_EDIT}. + * + * @param startHyphen a start hyphen edit value. + * @see #getStartHyphenEdit() + */ + public void setStartHyphenEdit(@StartHyphenEdit int startHyphen) { + nSetStartHyphenEdit(mNativePaint, startHyphen); + } + + /** + * Set a end hyphen edit on the paint. + * + * By setting end hyphen edit, the measurement and drawing is performed with modifying + * hyphenation at the end of line. For example, by passing + * {@link #END_HYPHEN_EDIT_INSERT_HYPHEN} like as follows, HYPHEN(U+2010) * character is appended at the end of line. * * <pre> * <code> * Paint paint = new Paint(); - * paint.setHyphenEdit(Hyphenator.packHyphenEdit( - * Hyphenator.START_HYPHEN_EDIT_NO_EDIT, - * Hyphenator.END_HYPHEN_EDIT_INSERT_HYPHEN)); + * paint.setEndHyphenEdit(Paint.END_HYPHEN_EDIT_INSERT_HYPHEN); * paint.measureText("abc", 0, 3); // Returns the width of "abc‐" * Canvas.drawText("abc", 0, 3, 0f, 0f, paint); // Draws "abc‐" * </code> * </pre> * - * You can pack start hyphen edit and end hyphen edit by - * {@link android.text.Hyphenator#packHyphenEdit(int,int)} + * The default value is 0 which is equivalent to {@link #END_HYPHEN_EDIT_NO_EDIT}. * - * The default value is 0 which is equivalent to packed value of - * {@link android.text.Hyphenator#START_HYPHEN_EDIT_NO_EDIT} and - * {@link android.text.Hyphenator#END_HYPHEN_EDIT_NO_EDIT}. - * - * @param hyphen a packed hyphen edit value. - * @see #getHyphenEdit() + * @param endHyphen a end hyphen edit value. + * @see #getEndHyphenEdit() */ - public void setHyphenEdit(int hyphen) { - nSetHyphenEdit(mNativePaint, hyphen); + public void setEndHyphenEdit(@EndHyphenEdit int endHyphen) { + nSetEndHyphenEdit(mNativePaint, endHyphen); } /** @@ -3063,9 +3149,13 @@ public class Paint { @CriticalNative private static native void nSetWordSpacing(long paintPtr, float wordSpacing); @CriticalNative - private static native int nGetHyphenEdit(long paintPtr); + private static native int nGetStartHyphenEdit(long paintPtr); + @CriticalNative + private static native int nGetEndHyphenEdit(long paintPtr); + @CriticalNative + private static native void nSetStartHyphenEdit(long paintPtr, int hyphen); @CriticalNative - private static native void nSetHyphenEdit(long paintPtr, int hyphen); + private static native void nSetEndHyphenEdit(long paintPtr, int hyphen); @CriticalNative private static native void nSetStrokeMiter(long paintPtr, float miter); @CriticalNative diff --git a/graphics/java/android/graphics/text/LineBreaker.java b/graphics/java/android/graphics/text/LineBreaker.java index 046bbcffb76a..9cabf1ce185d 100644 --- a/graphics/java/android/graphics/text/LineBreaker.java +++ b/graphics/java/android/graphics/text/LineBreaker.java @@ -342,8 +342,12 @@ public class LineBreaker { */ public static class Result { // Following two contstant must be synced with minikin's line breaker. + // TODO(nona): Remove these constatns by introducing native methods. private static final int TAB_MASK = 0x20000000; private static final int HYPHEN_MASK = 0xFF; + private static final int START_HYPHEN_MASK = 0x18; // 0b11000 + private static final int END_HYPHEN_MASK = 0x7; // 0b00111 + private static final int START_HYPHEN_BITS_SHIFT = 3; private static final NativeAllocationRegistry sRegistry = new NativeAllocationRegistry( Result.class.getClassLoader(), nGetReleaseResultFunc(), 32); @@ -414,17 +418,29 @@ public class LineBreaker { } /** - * Returns a packed hyphen edit for the line. + * Returns a start hyphen edit for the line. * * @param lineIndex an index of the line. - * @return a packed hyphen edit for the line. + * @return a start hyphen edit for the line. * - * @see android.text.Hyphenator#unpackStartHyphenEdit(int) - * @see android.text.Hyphenator#unpackEndHyphenEdit(int) - * @see android.text.Hyphenator#packHyphenEdit(int,int) + * @see android.graphics.Paint#setStartHyphenEdit + * @see android.graphics.Paint#getStartHyphenEdit */ - public int getLineHyphenEdit(int lineIndex) { - return (nGetLineFlag(mPtr, lineIndex) & HYPHEN_MASK); + public int getStartLineHyphenEdit(int lineIndex) { + return (nGetLineFlag(mPtr, lineIndex) & START_HYPHEN_MASK) >> START_HYPHEN_BITS_SHIFT; + } + + /** + * Returns an end hyphen edit for the line. + * + * @param lineIndex an index of the line. + * @return an end hyphen edit for the line. + * + * @see android.graphics.Paint#setEndHyphenEdit + * @see android.graphics.Paint#getEndHyphenEdit + */ + public int getEndLineHyphenEdit(int lineIndex) { + return nGetLineFlag(mPtr, lineIndex) & END_HYPHEN_MASK; } } |