-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Fix/doris 2540 subtitle padding (#29)
* format code * getLineLeft insteadof getLineStart * fix x position issue * fix padding in black bg color * fix padding in black bg color * remove log info * revert code, not format * fix subtitle padding issue. * add test code for subtitle padding * fix subtitle text left position issue. * add PaddingLineBackgroundSpan to draw background and padding * fix custom style padding not work * optimize code, format code style, rename field name * fix subtitle background is transparent issue.
- Loading branch information
Showing
4 changed files
with
222 additions
and
2 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
142 changes: 142 additions & 0 deletions
142
libraries/ui/src/main/java/androidx/media3/ui/PaddingLineBackgroundSpan.java
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| package androidx.media3.ui; | ||
|
|
||
| import android.graphics.Canvas; | ||
| import android.graphics.Paint; | ||
| import android.text.style.LineBackgroundSpan; | ||
| import androidx.annotation.ColorInt; | ||
| import androidx.annotation.Nullable; | ||
| import androidx.annotation.Px; | ||
|
|
||
| public class PaddingLineBackgroundSpan implements LineBackgroundSpan { | ||
|
|
||
| private final int lineBackgroundColor; | ||
| private final int horizontalPadding; | ||
| private final float left; | ||
| private final float top; | ||
| private final float right; | ||
| private final float bottom; | ||
| private final float measureScale; | ||
| @Nullable | ||
| private final BackgroundSpanInfo[] spanInfos; | ||
|
|
||
| public PaddingLineBackgroundSpan( | ||
| @ColorInt int lineBackgroundColor, | ||
| int horizontalPadding, | ||
| float left, | ||
| float top, | ||
| float right, | ||
| float bottom, | ||
| float measureScale, | ||
| @Nullable BackgroundSpanInfo[] spanInfos) { | ||
| this.lineBackgroundColor = lineBackgroundColor; | ||
| this.horizontalPadding = horizontalPadding; | ||
| this.left = left; | ||
| this.top = top; | ||
| this.right = right; | ||
| this.bottom = bottom; | ||
| this.measureScale = measureScale; | ||
| this.spanInfos = spanInfos; | ||
| } | ||
|
|
||
| @Override | ||
| public void drawBackground( | ||
| Canvas canvas, | ||
| Paint paint, | ||
| @Px int left, | ||
| @Px int right, | ||
| @Px int top, | ||
| @Px int baseline, | ||
| @Px int bottom, | ||
| CharSequence text, | ||
| int start, | ||
| int end, | ||
| int lineNumber) { | ||
| drawBackgroundWithPadding(canvas, paint, text, start, end); | ||
| } | ||
|
|
||
| private void drawBackgroundWithPadding( | ||
| Canvas canvas, | ||
| Paint paint, | ||
| CharSequence text, | ||
| int start, | ||
| int end) { | ||
| final int originColor = paint.getColor(); | ||
| if (spanInfos != null && spanInfos.length > 0) { | ||
| float left = this.left; | ||
| float right; | ||
| int textPos = start; | ||
| for (int index = 0; index < spanInfos.length; index++) { | ||
| BackgroundSpanInfo info = spanInfos[index]; | ||
| if (info.start > end) { | ||
| continue; | ||
| } | ||
| // draw line background | ||
| if (info.start > textPos && info.start < end) { | ||
| paint.setColor(lineBackgroundColor); | ||
| // draw left padding | ||
| if (index == 0) { | ||
| canvas.drawRect(this.left - horizontalPadding, top, this.left, bottom, paint); | ||
| } | ||
|
|
||
| float textWidth = measureText(paint, text, textPos, info.start); | ||
| textPos = info.start; | ||
| right = left + textWidth; | ||
| canvas.drawRect(left, top, right, bottom, paint); | ||
| left = right; | ||
| } | ||
| // draw span background | ||
| if (info.end <= end) { | ||
| paint.setColor(info.color); | ||
| // draw left padding | ||
| if (info.start == start) { | ||
| canvas.drawRect(this.left - horizontalPadding, top, this.left, bottom, paint); | ||
| } | ||
|
|
||
| float textWidth = measureText(paint, text, textPos, info.end); | ||
| textPos = info.end; | ||
| right = left + textWidth; | ||
| canvas.drawRect(left, top, right, bottom, paint); | ||
| left = right; | ||
| } | ||
|
|
||
| BackgroundSpanInfo nextInfo = index < spanInfos.length - 1 ? spanInfos[index + 1] : null; | ||
| if (nextInfo == null) { | ||
| // draw line background and right padding | ||
| paint.setColor(info.end == end ? info.color : lineBackgroundColor); | ||
| right = this.right; | ||
| canvas.drawRect(left, top, right + horizontalPadding, bottom, paint); | ||
| left = right; | ||
| } | ||
| } | ||
| } else { | ||
| paint.setColor(lineBackgroundColor); | ||
| canvas.drawRect(left - horizontalPadding, top, right + horizontalPadding, bottom, paint); | ||
| } | ||
| paint.setColor(originColor); | ||
| } | ||
|
|
||
| private float measureText(Paint paint, CharSequence text, int start, int end) { | ||
| if (start < 0 || end < start || end > text.length()) { | ||
| return 0f; | ||
| } | ||
| return paint.measureText(text, start, end) * measureScale; | ||
| } | ||
|
|
||
| public static class BackgroundSpanInfo implements Comparable<BackgroundSpanInfo> { | ||
|
|
||
| public final int start; | ||
| public final int end; | ||
| public final int color; | ||
|
|
||
| public BackgroundSpanInfo(int start, int end, int color) { | ||
| this.start = start; | ||
| this.end = end; | ||
| this.color = color; | ||
| } | ||
|
|
||
| @Override | ||
| public int compareTo(BackgroundSpanInfo info) { | ||
| return start - info.start; | ||
| } | ||
| } | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters