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feat(android): implement getTotalLength and getPointAtLength

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This commit is contained in:
Mikael Sand
2019-10-03 22:29:59 +03:00
parent 78c4f2098d
commit cd667d0a39
1 changed files with 23 additions and 0 deletions
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android/src/main/java/com/horcrux/svg/RNSVGRenderableManager.java
+23
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@@ -9,6 +9,8 @@
package com.horcrux.svg;
import android.graphics.PathMeasure;
import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
@@ -72,4 +74,25 @@ class RNSVGRenderableManager extends ReactContextBaseJavaModule {
float[] src = new float[] { x, y };
isPointInFill(tag, src, successCallback, 0);
}
@SuppressWarnings("unused")
@ReactMethod
public void getTotalLength(int tag, Callback successCallback) {
RenderableView svg = RenderableViewManager.getRenderableViewByTag(tag);
PathMeasure pm = new PathMeasure(svg.getPath(null, null), false);
successCallback.invoke(pm.getLength());
}
@SuppressWarnings("unused")
@ReactMethod
public void getPointAtLength(int tag, ReadableMap options, Callback successCallback) {
float length = (float)options.getDouble("length");
RenderableView svg = RenderableViewManager.getRenderableViewByTag(tag);
PathMeasure pm = new PathMeasure(svg.getPath(null, null), false);
float pathLength = pm.getLength();
float[] pos = new float[2];
float[] tan = new float[2];
pm.getPosTan(Math.max(0, Math.min(length, pathLength)), pos, tan);
successCallback.invoke(pos[0], pos[1]);
}
}