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Treat caption preview viewport as clipped 16:9 aspect

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Also adds standard start/end padding to preview frame.

BUG: 16462107
Change-Id: I89001d1656cee0c2d8abd95eae09975307b1ff06
This commit is contained in:
Alan Viverette
2014-07-21 16:48:13 -07:00
parent aed4c7284e
commit 389287e5f8
2 changed files with 7 additions and 2 deletions
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5
src/com/android/settings/accessibility/CaptionPropertiesFragment.java
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@@ -206,7 +206,10 @@ public class CaptionPropertiesFragment extends SettingsPreferenceFragment
final ContentResolver cr = context.getContentResolver();
final float fontScale = manager.getFontScale();
if (previewWindow != null) {
previewText.setTextSize(previewWindow.getHeight() * LINE_HEIGHT_RATIO * fontScale);
// Assume the viewport is clipped with a 16:9 aspect ratio.
final float virtualHeight = Math.max(9 * previewWindow.getWidth(),
16 * previewWindow.getHeight()) / 16.0f;
previewText.setTextSize(virtualHeight * LINE_HEIGHT_RATIO * fontScale);
} else {
final float textSize = context.getResources().getDimension(
R.dimen.caption_preview_text_size);