mirror of
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134 lines
4.2 KiB
Java
134 lines
4.2 KiB
Java
package org.thoughtcrime.securesms.imageeditor.renderers;
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import android.content.res.Resources;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Path;
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import android.graphics.RectF;
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import android.os.Parcel;
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import androidx.annotation.ColorRes;
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import androidx.annotation.NonNull;
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import androidx.core.content.res.ResourcesCompat;
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import network.loki.messenger.R;
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import org.thoughtcrime.securesms.imageeditor.Bounds;
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import org.thoughtcrime.securesms.imageeditor.Renderer;
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import org.thoughtcrime.securesms.imageeditor.RendererContext;
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/**
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* Renders a box outside of the current crop area using {@link R.color#crop_area_renderer_outer_color}
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* and around the edge it renders the markers for the thumbs using {@link R.color#crop_area_renderer_edge_color},
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* {@link R.dimen#crop_area_renderer_edge_thickness} and {@link R.dimen#crop_area_renderer_edge_size}.
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* <p>
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* Hit tests outside of the bounds.
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*/
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public final class CropAreaRenderer implements Renderer {
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@ColorRes
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private final int color;
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private final Path cropClipPath = new Path();
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private final Path screenClipPath = new Path();
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private final RectF dst = new RectF();
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private final Paint paint = new Paint();
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@Override
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public void render(@NonNull RendererContext rendererContext) {
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rendererContext.save();
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Canvas canvas = rendererContext.canvas;
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Resources resources = rendererContext.context.getResources();
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canvas.clipPath(cropClipPath);
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canvas.drawColor(ResourcesCompat.getColor(resources, color, null));
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rendererContext.mapRect(dst, Bounds.FULL_BOUNDS);
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final int thickness = resources.getDimensionPixelSize(R.dimen.crop_area_renderer_edge_thickness);
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final int size = (int) Math.min(resources.getDimensionPixelSize(R.dimen.crop_area_renderer_edge_size), Math.min(dst.width(), dst.height()) / 3f - 10);
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paint.setColor(ResourcesCompat.getColor(resources, R.color.crop_area_renderer_edge_color, null));
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rendererContext.canvasMatrix.setToIdentity();
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screenClipPath.reset();
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screenClipPath.moveTo(dst.left, dst.top);
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screenClipPath.lineTo(dst.right, dst.top);
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screenClipPath.lineTo(dst.right, dst.bottom);
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screenClipPath.lineTo(dst.left, dst.bottom);
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screenClipPath.close();
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canvas.clipPath(screenClipPath);
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canvas.translate(dst.left, dst.top);
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float halfDx = (dst.right - dst.left - size + thickness) / 2;
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float halfDy = (dst.bottom - dst.top - size + thickness) / 2;
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(0, halfDy);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(0, halfDy);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(halfDx, 0);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(halfDx, 0);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(0, -halfDy);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(0, -halfDy);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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canvas.translate(-halfDx, 0);
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canvas.drawRect(-thickness, -thickness, size, size, paint);
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rendererContext.restore();
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}
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public CropAreaRenderer(@ColorRes int color) {
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this.color = color;
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cropClipPath.toggleInverseFillType();
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cropClipPath.moveTo(Bounds.LEFT, Bounds.TOP);
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cropClipPath.lineTo(Bounds.RIGHT, Bounds.TOP);
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cropClipPath.lineTo(Bounds.RIGHT, Bounds.BOTTOM);
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cropClipPath.lineTo(Bounds.LEFT, Bounds.BOTTOM);
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cropClipPath.close();
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screenClipPath.toggleInverseFillType();
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}
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private CropAreaRenderer(Parcel in) {
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this(in.readInt());
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}
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@Override
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public boolean hitTest(float x, float y) {
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return !Bounds.contains(x, y);
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}
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public static final Creator<CropAreaRenderer> CREATOR = new Creator<CropAreaRenderer>() {
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@Override
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public CropAreaRenderer createFromParcel(Parcel in) {
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return new CropAreaRenderer(in);
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}
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@Override
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public CropAreaRenderer[] newArray(int size) {
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return new CropAreaRenderer[size];
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}
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};
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@Override
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public int describeContents() {
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return 0;
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}
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@Override
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public void writeToParcel(Parcel dest, int flags) {
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dest.writeInt(color);
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}
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}
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