BlueMap/BlueMapCore/src/main/java/de/bluecolored/bluemap/core/resources/adapter/ColorAdapter.java

96 lines
3.5 KiB
Java

/*
* This file is part of BlueMap, licensed under the MIT License (MIT).
*
* Copyright (c) Blue (Lukas Rieger) <https://bluecolored.de>
* Copyright (c) contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package de.bluecolored.bluemap.core.resources.adapter;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonToken;
import com.google.gson.stream.JsonWriter;
import de.bluecolored.bluemap.core.util.math.Color;
import java.io.IOException;
public class ColorAdapter extends TypeAdapter<Color> {
@Override
public void write(JsonWriter out, Color value) throws IOException {
value.straight();
out.beginArray();
out.value(value.r);
out.value(value.g);
out.value(value.b);
out.value(value.a);
out.endArray();
}
@Override
public Color read(JsonReader in) throws IOException {
Color value = new Color();
JsonToken token = in.peek();
switch (token) {
case BEGIN_ARRAY:
in.beginArray();
value.set(
(float) in.nextDouble(),
(float) in.nextDouble(),
(float) in.nextDouble(),
in.hasNext() ? (float) in.nextDouble() : 1f,
false
);
in.endArray();
break;
case BEGIN_OBJECT:
value.a = 1f;
in.beginObject();
while (in.hasNext()) {
String n = in.nextName();
float v = (float) in.nextDouble();
switch (n) {
case "r": value.r = v; break;
case "g": value.g = v; break;
case "b": value.b = v; break;
case "a": value.a = v; break;
}
}
in.endObject();
break;
case STRING:
value.parse(in.nextString());
break;
case NUMBER:
int color = in.nextInt();
if ((color & 0xFF000000) == 0) color = color | 0xFF000000; // assume full alpha if not specified
value.set(color);
break;
case NULL:
break;
default: throw new IOException("Unexpected token while parsing Color:" + token);
}
return value;
}
}