/*
* Copyright 2013 MovingBlocks
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.terasology.rendering.assets.texture;
import org.junit.Test;
import org.terasology.rendering.assets.texture.Texture.FilterMode;
import org.terasology.rendering.assets.texture.Texture.WrapMode;
import org.terasology.rendering.nui.Color;
import java.nio.ByteBuffer;
import static org.junit.Assert.assertEquals;
/**
* @author mkienenb@gmail.com
*/
public class TextureDataFactoryTest {
@Test
public void testRedColorNoAlphaTransformedToTextureUri() throws Exception {
Color expectedColor = Color.RED;
int expectedRed = -1;
int expectedGreen = 0;
int expectedBlue = 0;
int expectedAlpha = -1;
testRepeatedColorInDataTexture(expectedColor, expectedRed, expectedGreen, expectedBlue, expectedAlpha);
}
@Test
public void testColorTransformedToTextureUri() throws Exception {
int red = 0x12;
int green = 0x3;
int blue = 0xc4;
int alpha = 0xe;
Color expectedColor = new Color(red, green, blue, alpha);
int expectedRed = 18;
int expectedGreen = 3;
int expectedBlue = -60;
int expectedAlpha = 14;
testRepeatedColorInDataTexture(expectedColor, expectedRed, expectedGreen, expectedBlue, expectedAlpha);
}
private void testRepeatedColorInDataTexture(Color expectedColor, int expectedRed, int expectedGreen, int expectedBlue, int expectedAlpha) {
TextureData textureData = TextureDataFactory.newInstance(expectedColor);
ByteBuffer[] buffers = textureData.getBuffers();
assertEquals(1, buffers.length);
ByteBuffer buffer = buffers[0];
for (int offsetCounter = 0; offsetCounter < 4 * 16; offsetCounter++) {
int offset = offsetCounter * 4;
assertEquals(expectedRed, buffer.get(0 + offset));
assertEquals(expectedGreen, buffer.get(1 + offset));
assertEquals(expectedBlue, buffer.get(2 + offset));
assertEquals(expectedAlpha, buffer.get(3 + offset));
}
assertEquals(16, textureData.getWidth());
assertEquals(16, textureData.getHeight());
assertEquals(FilterMode.NEAREST, textureData.getFilterMode());
assertEquals(WrapMode.REPEAT, textureData.getWrapMode());
assertEquals(Texture.Type.TEXTURE2D, textureData.getType());
assertEquals(1, textureData.getDepth());
}
}