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Taking snapshots of volume view no longer needed

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This commit is contained in:
edr
2024-02-17 02:07:44 +01:00
committed by GitHub
parent 0ae2ca4a65
commit 703406b517
1 changed files with 9 additions and 7 deletions
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16
app/src/main/java/de/rochefort/childmonitor/VolumeView.java
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@@ -58,10 +58,9 @@ public class VolumeView extends View {
final int height = canvas.getHeight();
final int width = canvas.getWidth();
final VolumeHistory history = volumeHistory.getSnapshot(width);
final int size = history.size(); // Size is at most width
final double volumeNorm = history.getVolumeNorm();
final double normalizedVolume = history.get(size - 1);
final int size = volumeHistory.size(); // Size is at most width
final double volumeNorm = volumeHistory.getVolumeNorm();
final double normalizedVolume = volumeHistory.get(size - 1);
final double relativeBrightness = Math.max(0.3, normalizedVolume);
int blue;
int rest;
@@ -76,11 +75,14 @@ public class VolumeView extends View {
canvas.drawColor(rgb);
final double margins = height * 0.1;
final double graphHeight = height - 2.0 * margins;
int leftMost = Math.max(0, volumeHistory.size() - width);
final double graphScale = graphHeight * volumeNorm;
int xPrev = 0;
int yPrev = ((int) (margins + graphHeight - history.get(0) * graphScale));
for (int xNext = 1; xNext < size; ++xNext) {
int yNext = (int) (margins + graphHeight - history.get(xNext) * graphScale);
int yPrev = ((int) (margins + graphHeight - volumeHistory.get(leftMost) * graphScale));
int length = Math.min(size, width);
for (int xNext = 1; xNext < length-1; ++xNext) {
int yNext = (int) (margins + graphHeight - volumeHistory.get(leftMost + xNext) * graphScale);
canvas.drawLine(xPrev, yPrev, xNext, yNext, paint);
xPrev = xNext;
yPrev = yNext;