sigonasr2/jmonkeyengine
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Fix to image to normal map convertion. The result image is no longer upside-down.

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git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@9529 75d07b2b-3a1a-0410-a2c5-0572b91ccdca
This commit is contained in:
Kae..pl 2012-06-26 11:25:43 +00:00
parent d649505a6c
commit 801b87d6ce
1 changed files with 21 additions and 10 deletions

31
engine/src/blender/com/jme3/scene/plugins/blender/textures/TextureHelper.java

@ -31,6 +31,20 @@
*/ */
package com.jme3.scene.plugins.blender.textures; package com.jme3.scene.plugins.blender.textures;
import java.awt.color.ColorSpace;
import java.awt.geom.AffineTransform;
import java.awt.image.AffineTransformOp;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import jme3tools.converters.ImageToAwt;
import jme3tools.converters.RGB565;
import com.jme3.asset.AssetManager; import com.jme3.asset.AssetManager;
import com.jme3.asset.AssetNotFoundException; import com.jme3.asset.AssetNotFoundException;
import com.jme3.asset.BlenderKey; import com.jme3.asset.BlenderKey;
@ -55,16 +69,6 @@ import com.jme3.texture.Texture.MinFilter;
import com.jme3.texture.Texture.WrapMode; import com.jme3.texture.Texture.WrapMode;
import com.jme3.texture.Texture2D; import com.jme3.texture.Texture2D;
import com.jme3.util.BufferUtils; import com.jme3.util.BufferUtils;
import java.awt.color.ColorSpace;
import java.awt.image.BufferedImage;
import java.awt.image.ColorConvertOp;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import jme3tools.converters.ImageToAwt;
import jme3tools.converters.RGB565;
/** /**
* A class that is used in texture calculations. * A class that is used in texture calculations.
@ -192,6 +196,13 @@ public class TextureHelper extends AbstractBlenderHelper {
*/ */
public Image convertToNormalMapTexture(Image source, float strengthFactor) { public Image convertToNormalMapTexture(Image source, float strengthFactor) {
BufferedImage sourceImage = ImageToAwt.convert(source, false, false, 0); BufferedImage sourceImage = ImageToAwt.convert(source, false, false, 0);
// flip the image because the result image is upside-down without this operation
AffineTransform tx = AffineTransform.getScaleInstance(1, -1);
tx.translate(0, -sourceImage.getHeight(null));
AffineTransformOp op = new AffineTransformOp(tx, AffineTransformOp.TYPE_NEAREST_NEIGHBOR);
sourceImage = op.filter(sourceImage, null);
BufferedImage heightMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB); BufferedImage heightMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
BufferedImage bumpMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB); BufferedImage bumpMap = new BufferedImage(sourceImage.getWidth(), sourceImage.getHeight(), BufferedImage.TYPE_INT_ARGB);
ColorConvertOp gscale = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null); ColorConvertOp gscale = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);