Java Code Examples for android.text.TextPaint#getFontMetricsInt()
The following examples show how to use
android.text.TextPaint#getFontMetricsInt() .
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Example 1
| Source File: ContactChipDrawable.java From MDPreference with Apache License 2.0 | 6 votes |
|
public ContactChipDrawable(int paddingLeft, int paddingRight, Typeface typeface, int textColor, int textSize, int backgroundColor) {
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setColor(textColor);
mPaint.setTypeface(typeface);
mPaint.setTextSize(textSize);
mTextPaint = new TextPaint(mPaint);
mMetrics = new BoringLayout.Metrics();
Paint.FontMetricsInt temp = mTextPaint.getFontMetricsInt();
mMetrics.ascent = temp.ascent;
mMetrics.bottom = temp.bottom;
mMetrics.descent = temp.descent;
mMetrics.top = temp.top;
mMetrics.leading = temp.leading;
mRect = new RectF();
mMatrix = new Matrix();
mPaddingLeft = paddingLeft;
mPaddingRight = paddingRight;
mBackgroundColor = backgroundColor;
}
Example 2
| Source File: ContactChipDrawable.java From material with Apache License 2.0 | 6 votes |
|
public ContactChipDrawable(int paddingLeft, int paddingRight, Typeface typeface, int textColor, int textSize, int backgroundColor) {
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setColor(textColor);
mPaint.setTypeface(typeface);
mPaint.setTextSize(textSize);
mTextPaint = new TextPaint(mPaint);
mMetrics = new BoringLayout.Metrics();
Paint.FontMetricsInt temp = mTextPaint.getFontMetricsInt();
mMetrics.ascent = temp.ascent;
mMetrics.bottom = temp.bottom;
mMetrics.descent = temp.descent;
mMetrics.top = temp.top;
mMetrics.leading = temp.leading;
mRect = new RectF();
mMatrix = new Matrix();
mPaddingLeft = paddingLeft;
mPaddingRight = paddingRight;
mBackgroundColor = backgroundColor;
}
Example 3
| Source File: StringTexture.java From document-viewer with GNU General Public License v3.0 | 6 votes |
|
public void setText(final String text, final TextPaint paint) {
final String oldText = mText;
final int oldTextHeight = mTextHeight;
mPaint = paint;
mMetrics = paint.getFontMetricsInt();
mText = text;
mTextWidth = (int) Math.ceil(mPaint.measureText(mText));
mTextHeight = mMetrics.bottom - mMetrics.top;
if (mTextWidth > mCanvasWidth) {
mText = TextUtils.ellipsize(mText, mPaint, mCanvasWidth, TextUtils.TruncateAt.END).toString();
mTextWidth = (int) Math.ceil(mPaint.measureText(mText));
}
if (!CompareUtils.equals(mText, oldText) || mTextHeight != oldTextHeight) {
if (mBitmap != null) {
mBitmap.eraseColor(0);
}
mContentValid = false;
mWidth = UNSPECIFIED;
mHeight = UNSPECIFIED;
}
}
Example 4
| Source File: Styled.java From PowerFileExplorer with GNU General Public License v3.0 | 5 votes |
|
/**
* Returns the advance widths for a uniform left-to-right run of text with
* no style changes in the middle of the run. If any style is replacement
* text, the first character will get the width of the replacement and the
* remaining characters will get a width of 0.
*
* @param paint the paint, will not be modified
* @param workPaint a paint to modify; on return will reflect the original
* paint plus the effect of all spans on the run
* @param text the text
* @param start the start of the run
* @param end the limit of the run
* @param widths array to receive the advance widths of the characters. Must
* be at least a large as (end - start).
* @param fmi FontMetrics information; can be null
* @return the actual number of widths returned
*/
public static int getTextWidths(TextPaint paint,
TextPaint workPaint,
Spanned text, int start, int end,
float[] widths, Paint.FontMetricsInt fmi) {
// Jota Text Editor
// MetricAffectingSpan[] spans =
// text.getSpans(start, end, MetricAffectingSpan.class);
//
// ReplacementSpan replacement = null;
workPaint.set(paint);
//
// for (int i = 0; i < spans.length; i++) {
// MetricAffectingSpan span = spans[i];
// if (span instanceof ReplacementSpan) {
// replacement = (ReplacementSpan)span;
// }
// else {
// span.updateMeasureState(workPaint);
// }
// }
//
// if (replacement == null) {
workPaint.getFontMetricsInt(fmi);
workPaint.getTextWidths(text, start, end, widths);
// } else {
// int wid = replacement.getSize(workPaint, text, start, end, fmi);
//
// if (end > start) {
// widths[0] = wid;
// for (int i = start + 1; i < end; i++)
// widths[i - start] = 0;
// }
// }
return end - start;
}
Example 5
| Source File: ThermometerView.java From ThermometerView with MIT License | 5 votes |
|
public void initConfig() {
if (minThermometerRadius >= maxThermometerRadius) {
throw new UnsupportedOperationException("温度计形状设置有误。");
}
if (minMercuryRadius >= maxMercuryRadius || minMercuryRadius >= minThermometerRadius) {
throw new UnsupportedOperationException("水银形状设置有误。");
}
if (minScaleValue >= maxScaleValue) {
throw new UnsupportedOperationException("刻度值设置不正确");
}
setResetCurValue(curScaleValue);
sumScaleValue = (maxScaleValue - minScaleValue) * 10;
mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
mLinePaint = new Paint();
mLinePaint.setAntiAlias(true);
mLinePaint.setStyle(Paint.Style.FILL);
mLinePaint.setStrokeWidth(scaleLineWidth);
mPaint = new Paint();
mPaint.setAntiAlias(true);
mPaint.setStyle(Paint.Style.FILL);
String title = "℃";
mTextPaint.setTextSize(unitTextSize);
textWidth = Layout.getDesiredWidth(title, mTextPaint);
Paint.FontMetricsInt fmi = mTextPaint.getFontMetricsInt();
titleHeight = -(float) (fmi.bottom + fmi.top);
this.setLayerType(View.LAYER_TYPE_SOFTWARE, null); // 关闭硬件加速，否则阴影无效
}
Example 6
| Source File: ContactChipSpan.java From MDPreference with Apache License 2.0 | 5 votes |
|
public ContactChipSpan(CharSequence name, int height, int maxWidth, int paddingLeft, int paddingRight, Typeface typeface, int textColor, int textSize, int backgroundColor) {
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setColor(textColor);
mPaint.setTypeface(typeface);
mPaint.setTextSize(textSize);
mTextPaint = new TextPaint(mPaint);
mRect = new RectF();
mMatrix = new Matrix();
mContactName = name;
mPaddingLeft = paddingLeft;
mPaddingRight = paddingRight;
mBackgroundColor = backgroundColor;
mHeight = height;
mWidth = Math.round(Math.min(maxWidth, mPaint.measureText(name, 0, name.length()) + paddingLeft + paddingRight + height));
int outerWidth = Math.max(0, mWidth - mPaddingLeft - mPaddingRight - mHeight);
Paint.FontMetricsInt temp = mTextPaint.getFontMetricsInt();
BoringLayout.Metrics mMetrics = new BoringLayout.Metrics();
mMetrics.width = Math.round(mTextPaint.measureText(mContactName, 0, mContactName.length()) + 0.5f);
mMetrics.ascent = temp.ascent;
mMetrics.bottom = temp.bottom;
mMetrics.descent = temp.descent;
mMetrics.top = temp.top;
mMetrics.leading = temp.leading;
mBoringLayout = BoringLayout.make(mContactName, mTextPaint, outerWidth, Layout.Alignment.ALIGN_NORMAL, 1f, 1f, mMetrics, true, TextUtils.TruncateAt.END, outerWidth);
}
Example 7
| Source File: Styled.java From JotaTextEditor with Apache License 2.0 | 5 votes |
|
/**
* Returns the advance widths for a uniform left-to-right run of text with
* no style changes in the middle of the run. If any style is replacement
* text, the first character will get the width of the replacement and the
* remaining characters will get a width of 0.
*
* @param paint the paint, will not be modified
* @param workPaint a paint to modify; on return will reflect the original
* paint plus the effect of all spans on the run
* @param text the text
* @param start the start of the run
* @param end the limit of the run
* @param widths array to receive the advance widths of the characters. Must
* be at least a large as (end - start).
* @param fmi FontMetrics information; can be null
* @return the actual number of widths returned
*/
public static int getTextWidths(TextPaint paint,
TextPaint workPaint,
Spanned text, int start, int end,
float[] widths, Paint.FontMetricsInt fmi) {
// Jota Text Editor
// MetricAffectingSpan[] spans =
// text.getSpans(start, end, MetricAffectingSpan.class);
//
// ReplacementSpan replacement = null;
workPaint.set(paint);
//
// for (int i = 0; i < spans.length; i++) {
// MetricAffectingSpan span = spans[i];
// if (span instanceof ReplacementSpan) {
// replacement = (ReplacementSpan)span;
// }
// else {
// span.updateMeasureState(workPaint);
// }
// }
//
// if (replacement == null) {
workPaint.getFontMetricsInt(fmi);
workPaint.getTextWidths(text, start, end, widths);
// } else {
// int wid = replacement.getSize(workPaint, text, start, end, fmi);
//
// if (end > start) {
// widths[0] = wid;
// for (int i = start + 1; i < end; i++)
// widths[i - start] = 0;
// }
// }
return end - start;
}
Example 8
| Source File: ContactChipSpan.java From material with Apache License 2.0 | 5 votes |
|
public ContactChipSpan(CharSequence name, int height, int maxWidth, int paddingLeft, int paddingRight, Typeface typeface, int textColor, int textSize, int backgroundColor) {
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setColor(textColor);
mPaint.setTypeface(typeface);
mPaint.setTextSize(textSize);
mTextPaint = new TextPaint(mPaint);
mRect = new RectF();
mMatrix = new Matrix();
mContactName = name;
mPaddingLeft = paddingLeft;
mPaddingRight = paddingRight;
mBackgroundColor = backgroundColor;
mHeight = height;
mWidth = Math.round(Math.min(maxWidth, mPaint.measureText(name, 0, name.length()) + paddingLeft + paddingRight + height));
int outerWidth = Math.max(0, mWidth - mPaddingLeft - mPaddingRight - mHeight);
Paint.FontMetricsInt temp = mTextPaint.getFontMetricsInt();
BoringLayout.Metrics mMetrics = new BoringLayout.Metrics();
mMetrics.width = Math.round(mTextPaint.measureText(mContactName, 0, mContactName.length()) + 0.5f);
mMetrics.ascent = temp.ascent;
mMetrics.bottom = temp.bottom;
mMetrics.descent = temp.descent;
mMetrics.top = temp.top;
mMetrics.leading = temp.leading;
mBoringLayout = BoringLayout.make(mContactName, mTextPaint, outerWidth, Layout.Alignment.ALIGN_NORMAL, 1f, 1f, mMetrics, true, TextUtils.TruncateAt.END, outerWidth);
}
Example 9
| Source File: WaveTextView.java From WanAndroid with Apache License 2.0 | 4 votes |
|
private void init(Context context, AttributeSet attrs) {
TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.WaveTextView);
mText = typedArray.getString(R.styleable.WaveTextView_text);
mTextSize = typedArray.getDimension(R.styleable.WaveTextView_size, 26);
mTextColor = typedArray.getColor(R.styleable.WaveTextView_color, Color.BLACK);
A = typedArray.getInteger(R.styleable.WaveTextView_amplitude, 100);
isBold = typedArray.getInteger(R.styleable.WaveTextView_style, 0);
typedArray.recycle();
mTextPaint = new TextPaint();
mTextPaint.setAntiAlias(true);
mTextPaint.setTextSize(mTextSize);
mTextPaint.setColor(mTextColor);
if(isBold == 1) mTextPaint.setFakeBoldText(true);
//mTextPaint.setTypeface(Typeface.defaultFromStyle(Typeface.BOLD));
mTextPath = new Path();
mTextWidth = (int) mTextPaint.measureText(mText);
Paint.FontMetricsInt fontMetrics = mTextPaint.getFontMetricsInt();
mTextHeight = fontMetrics.bottom - fontMetrics.top;
Rect rect = new Rect();
mTextPaint.getTextBounds(mText, 0, mText.length(), rect);
mTextCenter = rect.height() / 2;
//φ的取值范围为正弦函数的一个周期：2π
mValueAnimator = ValueAnimator.ofFloat(0, (float) (2 * Math.PI));
mValueAnimator.setInterpolator(new LinearInterpolator());
mValueAnimator.addUpdateListener(animation -> {
float progress = (float) animation.getAnimatedValue();
φ = progress;
a = (float) (1 - progress / (2 * Math.PI)) * A;
LogUtil.d(TAG, "addUpdateListener(), a = " + a + ", φ = " + φ);
postInvalidate();
});
mValueAnimator.setDuration(2500);
postDelayed(() -> mValueAnimator.start(), 100);
for(int i = 0; i <= SAMPLING_SIZE; i++) {
float gap = (float) mTextWidth / SAMPLING_SIZE;
mSamplingX[i] = i * gap;
mMapX[i] = mSamplingX[i] / (float) mTextWidth * 4 - 2;
}
}
