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Improved omitting bg colors

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M66B
2021-08-04 09:37:33 +02:00
parent 4928d02dd3
commit df447bb94d
1 changed files with 6 additions and 8 deletions
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14
app/src/main/java/eu/faircode/email/HtmlHelper.java
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@@ -619,14 +619,12 @@ public class HtmlHelper {
if (color != null && view)
color = adjustColor(dark, textColorPrimary, color);
} else {
// Check background/foreground luminance
} else if (bg == Color.TRANSPARENT) {
// Background color was suppressed because "no color"
if (color != null) {
double lbg = ColorUtils.calculateLuminance(bg);
double lfg = ColorUtils.calculateLuminance(color);
if (Math.abs(lbg - lfg) < 0.1) {
color = (lbg < 0.5 ? Color.WHITE : Color.BLACK);
}
double lum = ColorUtils.calculateLuminance(color);
if (dark ? lum < MIN_LUMINANCE : lum > 1 - MIN_LUMINANCE)
color = textColorPrimary;
}
}
@@ -634,7 +632,7 @@ public class HtmlHelper {
element.attr("x-color", "true");
} else /* background */ {
if (color != null && !hasColor(color))
continue;
color = Color.TRANSPARENT;
if (color != null)
element.attr("x-background", encodeWebColor(color));