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(WIP) Support mirror in LottieDrawable. #1557

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(WIP) Support mirror in LottieDrawable. #1557

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4 changes: 4 additions & 0 deletions lottie/src/main/java/com/airbnb/lottie/LottieAnimationView.java
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Original file line number Diff line number Diff line change
Expand Up @@ -1047,6 +1047,10 @@ public void disableExtraScaleModeInFitXY() {
lottieDrawable.disableExtraScaleModeInFitXY();
}

public void setIsMirror(boolean isMirror) {
lottieDrawable.setIsMirror(isMirror);
}

private void enableOrDisableHardwareLayer() {
int layerType = LAYER_TYPE_SOFTWARE;
switch (renderMode) {
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11 changes: 11 additions & 0 deletions lottie/src/main/java/com/airbnb/lottie/LottieDrawable.java
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Expand Up @@ -64,6 +64,7 @@ private interface LazyCompositionTask {
private float scale = 1f;
private boolean systemAnimationsEnabled = true;
private boolean safeMode = false;
private boolean isMirror = false;

private final Set<ColorFilterData> colorFilterData = new HashSet<>();
private final ArrayList<LazyCompositionTask> lazyCompositionTasks = new ArrayList<>();
Expand Down Expand Up @@ -321,6 +322,10 @@ public void setSafeMode(boolean safeMode) {
this.safeMode = safeMode;
}

public void setIsMirror(boolean isMirror) {
this.isMirror = isMirror;
}

@Override
public void invalidateSelf() {
if (isDirty) {
Expand Down Expand Up @@ -1173,6 +1178,9 @@ private void drawWithNewAspectRatio(Canvas canvas) {

matrix.reset();
matrix.preScale(scaleX, scaleY);
if (isMirror) {
matrix.preScale(-1, 1, composition.getBounds().width() / 2f, composition.getBounds().height() / 2f);
}
compositionLayer.draw(canvas, matrix, alpha);

if (saveCount > 0) {
Expand Down Expand Up @@ -1218,6 +1226,9 @@ private void drawWithOriginalAspectRatio(Canvas canvas) {

matrix.reset();
matrix.preScale(scale, scale);
if (isMirror) {
matrix.preScale(-1, 1, composition.getBounds().width() / 2f, composition.getBounds().height() / 2f);
}
compositionLayer.draw(canvas, matrix, alpha);

if (saveCount > 0) {
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