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Code Issues Releases Wiki Activity

Added support for lines

This commit is contained in:
M66B 2020-05-04 15:21:34 +02:00
parent fb23d629be
commit 044f118c41
1 changed files with 34 additions and 4 deletions
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38
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@ -43,6 +43,7 @@ import android.text.style.ImageSpan;
import android.text.style.LeadingMarginSpan;
import android.text.style.QuoteSpan;
import android.text.style.RelativeSizeSpan;
import android.text.style.ReplacementSpan;
import android.text.style.StrikethroughSpan;
import android.text.style.StyleSpan;
import android.text.style.SubscriptSpan;
@ -129,6 +130,7 @@ public class HtmlHelper {
private static final int MAX_FULL_TEXT_SIZE = 1024 * 1024; // characters
private static final int TRACKING_PIXEL_SURFACE = 25; // pixels
private static final float[] HEADING_SIZES = {1.5f, 1.4f, 1.3f, 1.2f, 1.1f, 1f};
private static final String LINE = "----------------------------------------";
private static final HashMap<String, Integer> x11ColorMap = new HashMap<>();
static {
@ -734,10 +736,11 @@ public class HtmlHelper {
// Lines
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/hr
for (Element hr : document.select("hr")) {
hr.tagName("div");
hr.text("----------------------------------------");
}
if (!view)
for (Element hr : document.select("hr")) {
hr.tagName("div");
hr.text(LINE);
}
// Descriptions
// https://developer.mozilla.org/en-US/docs/Web/HTML/Element/dl
@ -1972,6 +1975,11 @@ public class HtmlHelper {
newline(start);
newline(ssb.length());
break;
case "hr":
ssb.append("\n" + LINE + "\n");
float stroke = context.getResources().getDisplayMetrics().density;
ssb.setSpan(new LineSpan(stroke), ssb.length() - 1 - LINE.length(), ssb.length() - 1, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
break;
case "img":
String src = element.attr("src");
Drawable d = (imageGetter == null
@ -2185,4 +2193,26 @@ public class HtmlHelper {
}
}
}
public static class LineSpan extends ReplacementSpan {
private float strokeWidth;
LineSpan(float strokeWidth) {
this.strokeWidth = strokeWidth;
}
@Override
public int getSize(@NonNull Paint paint, CharSequence text, int start, int end, @Nullable Paint.FontMetricsInt fm) {
return 0;
}
@Override
public void draw(@NonNull Canvas canvas, CharSequence text, int start, int end, float x, int top, int y, int bottom, @NonNull Paint paint) {
int c = (top + bottom) / 2;
float s = paint.getStrokeWidth();
paint.setStrokeWidth(strokeWidth);
canvas.drawLine(x, c, x + canvas.getWidth(), c, paint);
paint.setStrokeWidth(s);
}
}
}