Java Code Examples for android.text.Layout#getLineBaseline()
The following examples show how to use
android.text.Layout#getLineBaseline() .
You can vote up the ones you like or vote down the ones you don't like,
and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
| Source File: FadeText.java From HTextView with Apache License 2.0 | 6 votes |
|
@Override
protected void drawFrame(Canvas canvas) {
Layout layout = mHTextView.getLayout();
int gapIndex = 0;
for (int i = 0; i < layout.getLineCount(); i++) {
int lineStart = layout.getLineStart(i);
int lineEnd = layout.getLineEnd(i);
float lineLeft = layout.getLineLeft(i);
float lineBaseline = layout.getLineBaseline(i);
String lineText = mText.subSequence(lineStart, lineEnd).toString();
for (int c = 0; c < lineText.length(); c++) {
int alpha = alphaList.get(gapIndex);
mPaint.setAlpha((int) ((255 - alpha) * progress + alpha));
canvas.drawText(String.valueOf(lineText.charAt(c)), lineLeft, lineBaseline, mPaint);
lineLeft += gapList.get(gapIndex++);
}
}
}
Example 2
| Source File: MessageView.java From MaterialBanner with Apache License 2.0 | 5 votes |
|
/**
* Return the offset of the widget's last text line baseline from the widget's top
* boundary. If this widget does not support baseline alignment, this method returns -1.
*
* @return the offset of the baseline of the last text line within the widget's bounds or -1
* if baseline alignment is not supported
*/
@Override
public int getBaseline() {
Layout layout = getLayout();
if (layout == null) {
return super.getBaseline();
}
int baselineOffset = super.getBaseline() - layout.getLineBaseline(0);
return baselineOffset + layout.getLineBaseline(layout.getLineCount() - 1);
}
Example 3
| Source File: HighlightEditor.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
/**
* @param line - current line
* @param column - column of line
* @return Position (in pixels) for edittext at line and column
*/
public Point getDebugPosition(int line, int column, int gravity) {
Layout layout = getLayout();
if (layout != null) {
int pos = layout.getLineStart(line) + column;
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
int offsetHorizontal = (int) layout.getPrimaryHorizontal(pos) + mLinePadding; //x
float y;
int offsetVertical = 0;
if (gravity == Gravity.BOTTOM) {
y = baseline + ascent;
if (verticalScroll != null) {
offsetVertical = (int) ((y + mCharHeight) - verticalScroll.getScrollY());
} else {
offsetVertical = (int) ((y + mCharHeight) - getScrollY());
}
return new Point(offsetHorizontal, offsetVertical);
} else if (gravity == Gravity.TOP) {
y = layout.getLineTop(line);
if (verticalScroll != null) {
offsetVertical = (int) (y - verticalScroll.getScrollY());
} else {
offsetVertical = (int) (y - getScrollY());
}
return new Point(offsetHorizontal, offsetVertical);
}
return new Point(offsetHorizontal, offsetVertical);
}
return new Point();
}
Example 4
| Source File: HighlightEditor.java From java-n-IDE-for-Android with Apache License 2.0 | 5 votes |
|
@Override
public void onPopupChangePosition() {
try {
Layout layout = getLayout();
if (layout != null) {
int pos = getSelectionStart();
int line = layout.getLineForOffset(pos);
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
float x = layout.getPrimaryHorizontal(pos);
float y = baseline + ascent;
int offsetHorizontal = (int) x + mLinePadding;
setDropDownHorizontalOffset(offsetHorizontal);
int heightVisible = getHeightVisible();
int offsetVertical = 0;
if (verticalScroll != null) {
offsetVertical = (int) ((y + mCharHeight) - verticalScroll.getScrollY());
} else {
offsetVertical = (int) ((y + mCharHeight) - getScrollY());
}
int tmp = offsetVertical + getDropDownHeight() + mCharHeight;
if (tmp < heightVisible) {
tmp = offsetVertical + mCharHeight / 2;
setDropDownVerticalOffset(tmp);
} else {
tmp = offsetVertical - getDropDownHeight() - mCharHeight;
setDropDownVerticalOffset(tmp);
}
}
} catch (Exception ignored) {
}
}
Example 5
| Source File: ImprovedBulletSpan.java From PhoneProfilesPlus with Apache License 2.0 | 5 votes |
|
public void drawLeadingMargin(Canvas canvas, Paint paint, int x, int dir,
int top, int baseline, int bottom, CharSequence text,
int start, int end, boolean first, Layout layout) {
if (((Spanned)text).getSpanStart(this) == start) {
Style style = paint.getStyle();
paint.setStyle(Style.FILL);
float yPosition;
if (layout != null) {
int line = layout.getLineForOffset(start);
yPosition = (float)layout.getLineBaseline(line) - (float)this.bulletRadius * 2.0F;
} else {
yPosition = (float)(top + bottom) / 2.0F;
}
float xPosition = (float)(x + dir * this.bulletRadius);
if (canvas.isHardwareAccelerated()) {
if (this.mBulletPath == null) {
this.mBulletPath = new Path();
this.mBulletPath.addCircle(0.0F, 0.0F, (float)this.bulletRadius, Direction.CW);
}
canvas.save();
canvas.translate(xPosition, yPosition);
canvas.drawPath(this.mBulletPath, paint);
canvas.restore();
} else {
canvas.drawCircle(xPosition, yPosition, (float)this.bulletRadius, paint);
}
paint.setStyle(style);
}
}
Example 6
| Source File: OverlineSpan.java From Dashchan with Apache License 2.0 | 5 votes |
|
public static void draw(TextView textView, Canvas canvas) {
Layout layout = textView.getLayout();
if (layout != null) {
CharSequence text = textView.getText();
if (text instanceof Spanned) {
Spanned spanned = (Spanned) text;
OverlineSpan[] spans = spanned.getSpans(0, spanned.length(), OverlineSpan.class);
if (spans != null && spans.length > 0) {
int paddingTop = textView.getTotalPaddingTop();
int paddingLeft = textView.getPaddingLeft();
int shift = (int) (textView.getTextSize() * 8f / 9f);
float thickness = textView.getTextSize() / 15f - 0.25f;
int color = textView.getCurrentTextColor();
PAINT.setColor(color);
PAINT.setStrokeWidth(thickness);
for (OverlineSpan span : spans) {
int start = spanned.getSpanStart(span);
int end = spanned.getSpanEnd(span);
int lineStart = layout.getLineForOffset(start);
int lineEnd = layout.getLineForOffset(end);
for (int i = lineStart; i <= lineEnd; i++) {
float left = i == lineStart ? layout.getPrimaryHorizontal(start) : layout.getLineLeft(i);
float right = i == lineEnd ? layout.getPrimaryHorizontal(end) : layout.getLineRight(i);
float top = layout.getLineBaseline(i) - shift + 0.5f;
canvas.drawLine(paddingLeft + left, paddingTop + top, paddingLeft + right,
paddingTop + top, PAINT);
}
}
}
}
}
}
Example 7
| Source File: TextProcessor.java From CodeEditor with Apache License 2.0 | 4 votes |
|
protected void onPopupChangePosition() {
try {
Layout layout = getLayout();
if (layout != null) {
int pos = getSelectionStart();
int line = layout.getLineForOffset(pos);
int baseline = layout.getLineBaseline(line);
int ascent = layout.getLineAscent(line);
Rect bounds = new Rect();
Paint textPaint = getPaint();
String sample="A";
textPaint.getTextBounds(sample, 0, sample.length(), bounds);
int width = bounds.width()/sample.length();
float x = layout.getPrimaryHorizontal(pos);
float y = baseline + ascent;
int offsetHorizontal = (int) x + mGutterWidth;
setDropDownHorizontalOffset(offsetHorizontal);
int heightVisible = getHeightVisible();
int offsetVertical = (int) ((y + mCharHeight) - getScrollY());
int tmp = offsetVertical + getDropDownHeight() + mCharHeight;
//if (tmp < heightVisible) {
tmp = -h + ((offsetVertical*2 / (mCharHeight)) * (mCharHeight / 2))+(mCharHeight/2);
setDropDownVerticalOffset(tmp);
//((Activity)(mContext)).setTitle("ov :"+offsetVertical +" ch "+mCharHeight+" tmp"+tmp +"h "+h+"p:"+pos);
// } else {
// tmp = offsetVertical - getDropDownHeight() - mCharHeight;
// setDropDownVerticalOffset(tmp);
// ((Activity)(mContext)).setTitle(" 2 tmp :"+tmp);
// }
// int pos = getSelectionStart();
// int line = layout.getLineForOffset(pos);
// int baseline = layout.getLineBaseline(line);
// int ascent = layout.getLineAscent(line);
//
// float x = layout.getPrimaryHorizontal(pos);
// float y = baseline + ascent;
//
// int offsetHorizontal = (int) x + mGutterWidth;
// setDropDownHorizontalOffset(offsetHorizontal);
//
// // int heightVisible = getHeightVisible();
// int offsetVertical = (int) ((y + mCharHeight) - getScrollY());
//
// int tmp = offsetVertical + getDropDownHeight() + mCharHeight;
//// if (tmp < heightVisible) {
// tmp = -(offsetVertical + mCharHeight) + ((offsetVertical / mCharHeight) * (mCharHeight / 2));
// setDropDownVerticalOffset(tmp);
//// } else {
//// tmp = offsetVertical - getDropDownHeight() - mCharHeight;
//// setDropDownVerticalOffset(tmp);
//// }
}
} catch (Exception e) {
Logger.error(TAG, e);
}
}
