58 lines
1.7 KiB
Java
58 lines
1.7 KiB
Java
package eu.siacs.conversations.ui.text;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import androidx.annotation.ColorInt;
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import android.text.Layout;
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import android.text.TextPaint;
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import android.text.style.CharacterStyle;
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import android.text.style.LeadingMarginSpan;
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import android.util.DisplayMetrics;
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import android.util.TypedValue;
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public class QuoteSpan extends CharacterStyle implements LeadingMarginSpan {
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private final int color;
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private final int width;
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private final int paddingLeft;
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private final int paddingRight;
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private static final float WIDTH_SP = 2f;
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private static final float PADDING_LEFT_SP = 1.5f;
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private static final float PADDING_RIGHT_SP = 8f;
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public QuoteSpan(int color, DisplayMetrics metrics) {
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this.color = color;
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this.width = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, WIDTH_SP, metrics);
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this.paddingLeft = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, PADDING_LEFT_SP, metrics);
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this.paddingRight = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_SP, PADDING_RIGHT_SP, metrics);
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}
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@Override
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public void updateDrawState(TextPaint tp) {
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tp.setColor(this.color);
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}
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@Override
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public int getLeadingMargin(boolean first) {
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return paddingLeft + width + paddingRight;
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}
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@Override
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public void drawLeadingMargin(Canvas c, Paint p, int x, int dir, int top, int baseline, int bottom,
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CharSequence text, int start, int end, boolean first, Layout layout) {
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Paint.Style style = p.getStyle();
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int color = p.getColor();
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p.setStyle(Paint.Style.FILL);
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p.setColor(this.color);
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c.drawRect(x + dir * paddingLeft, top, x + dir * (paddingLeft + width), bottom, p);
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p.setStyle(style);
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p.setColor(color);
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}
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@ColorInt
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public int getColor() {
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return this.color;
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}
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} |