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53 lines
1.6 KiB
53 lines
1.6 KiB
14 years ago
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package com.jme3.util;
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14 years ago
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import com.jme3.util.*;
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14 years ago
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import java.awt.image.BufferedImage;
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import java.awt.image.DataBufferByte;
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import java.awt.image.WritableRaster;
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import java.nio.ByteBuffer;
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public final class Screenshots {
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public static void convertScreenShot(ByteBuffer bgraBuf, BufferedImage out){
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WritableRaster wr = out.getRaster();
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DataBufferByte db = (DataBufferByte) wr.getDataBuffer();
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byte[] cpuArray = db.getData();
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// copy native memory to java memory
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bgraBuf.clear();
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bgraBuf.get(cpuArray);
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bgraBuf.clear();
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int width = wr.getWidth();
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int height = wr.getHeight();
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// flip the components the way AWT likes them
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for (int y = 0; y < height / 2; y++){
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for (int x = 0; x < width; x++){
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int inPtr = (y * width + x) * 4;
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int outPtr = ((height-y-1) * width + x) * 4;
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byte b1 = cpuArray[inPtr+0];
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byte g1 = cpuArray[inPtr+1];
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byte r1 = cpuArray[inPtr+2];
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byte a1 = cpuArray[inPtr+3];
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byte b2 = cpuArray[outPtr+0];
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byte g2 = cpuArray[outPtr+1];
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byte r2 = cpuArray[outPtr+2];
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byte a2 = cpuArray[outPtr+3];
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cpuArray[outPtr+0] = a1;
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cpuArray[outPtr+1] = b1;
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cpuArray[outPtr+2] = g1;
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cpuArray[outPtr+3] = r1;
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cpuArray[inPtr+0] = a2;
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cpuArray[inPtr+1] = b2;
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cpuArray[inPtr+2] = g2;
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cpuArray[inPtr+3] = r2;
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}
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}
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}
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}
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