shared/java/RRect.java

package org.jetbrains.skija;

import java.util.*;
import lombok.*;
import org.jetbrains.annotations.*;

@EqualsAndHashCode(callSuper = true)
public class RRect extends Rect {
    public final float[] _radii;

    @ApiStatus.Internal
    public RRect(float l, float t, float r, float b, float[] radii) {
        super(l, t, r, b);
        this._radii = radii;
    }

    public static RRect makeLTRB(float l, float t, float r, float b, float radius) {
        return new RRect(l, t, r, b, new float[] { radius } );
    }

    public static RRect makeLTRB(float l, float t, float r, float b, float xRad, float yRad) {
        return new RRect(l, t, r, b, new float[] { xRad, yRad } );
    }

    public static RRect makeLTRB(float l, float t, float r, float b, float tlRad, float trRad, float brRad, float blRad) {
        return new RRect(l, t, r, b, new float[] { tlRad, trRad, brRad, blRad });
    }

    public static RRect makeNinePatchLTRB(float l, float t, float r, float b, float lRad, float tRad, float rRad, float bRad) {
        return new RRect(l, t, r, b, new float[] { lRad, tRad, rRad, tRad, rRad, bRad, lRad, bRad });
    }

    public static RRect makeComplexLTRB(float l, float t, float r, float b, float[] radii) {
        return new RRect(l, t, r, b, radii);
    }

    public static RRect makeOvalLTRB(float l, float t, float r, float b) {
        return new RRect(l, t, r, b, new float[] { Math.abs(r - l) / 2f, Math.abs(b - t) / 2f } );
    }

    public static RRect makePillLTRB(float l, float t, float r, float b) {
        return new RRect(l, t, r, b, new float[] { Math.min(Math.abs(r - l), Math.abs(t - b)) / 2f } );
    }

    public static RRect makeXYWH(float l, float t, float w, float h, float radius) {
        return new RRect(l, t, l + w, t + h, new float[] { radius } );
    }

    public static RRect makeXYWH(float l, float t, float w, float h, float xRad, float yRad) {
        return new RRect(l, t, l + w, t + h, new float[] { xRad, yRad } );
    }

    public static RRect makeXYWH(float l, float t, float w, float h, float tlRad, float trRad, float brRad, float blRad) {
        return new RRect(l, t, l + w, t + h, new float[] { tlRad, trRad, brRad, blRad });
    }

    public static RRect makeNinePatchXYWH(float l, float t, float w, float h, float lRad, float tRad, float rRad, float bRad) {
        return new RRect(l, t, l + w, t + h, new float[] { lRad, tRad, rRad, tRad, rRad, bRad, lRad, bRad });
    }

    public static RRect makeComplexXYWH(float l, float t, float w, float h, float[] radii) {
        return new RRect(l, t, l + w, t + h, radii);
    }

    public static RRect makeOvalXYWH(float l, float t, float w, float h) {
        return new RRect(l, t, l + w, t + h, new float[] { w / 2f, h / 2f } );
    }

    public static RRect makePillXYWH(float l, float t, float w, float h) {
        return new RRect(l, t, l + w, t + h, new float[] { Math.min(w, h) / 2f } );
    }

    @Override @NotNull
    public Rect inflate(float spread) {
        boolean becomesRect = true;
        for (int i = 0; i < _radii.length; ++i) {
            if (_radii[i] + spread >= 0) {
                becomesRect = false;
                break;
            }
        }

        if (becomesRect)
            return Rect.makeLTRB(_left - spread,
                                 _top - spread,
                                 Math.max(_left - spread, _right + spread),
                                 Math.max(_top - spread, _bottom + spread));
        else {
            float[] radii = Arrays.copyOf(_radii, _radii.length);
            for (int i = 0; i < radii.length; ++i)
                radii[i] = Math.max(0f, radii[i] + spread);
            return new RRect(_left - spread,
                             _top - spread,
                             Math.max(_left - spread, _right + spread),
                             Math.max(_top - spread, _bottom + spread),
                             radii);
        }
    }

    @Override
    public String toString() {
        return "RRect(_left=" + _left + ", _top=" + _top + ", _right=" + _right + ", _bottom=" + _bottom + ", _radii=" + Arrays.toString(_radii) + ")";
    }
}