[Patchanim-commit] SF.net SVN: patchanim: [74] trunk/patchanim/src/com/mebigfatguy/patchanim/ surface/PatchGenerator.java

[<dbr...@us...>]

Revision: 74
          http://patchanim.svn.sourceforge.net/patchanim/?rev=74&view=rev
Author:   dbrosius
Date:     2008-01-30 21:44:11 -0800 (Wed, 30 Jan 2008)

Log Message:
-----------
use WritableRaster's DataBuffer, rather than calling setPixel on the image (performance)

Modified Paths:
--------------
    trunk/patchanim/src/com/mebigfatguy/patchanim/surface/PatchGenerator.java

Modified: trunk/patchanim/src/com/mebigfatguy/patchanim/surface/PatchGenerator.java
===================================================================
--- trunk/patchanim/src/com/mebigfatguy/patchanim/surface/PatchGenerator.java	2008-01-30 05:35:33 UTC (rev 73)
+++ trunk/patchanim/src/com/mebigfatguy/patchanim/surface/PatchGenerator.java	2008-01-31 05:44:11 UTC (rev 74)
@@ -21,7 +21,9 @@
 import java.awt.Color;
 import java.awt.Graphics;
 import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
 import java.awt.image.IndexColorModel;
+import java.awt.image.WritableRaster;
 
 import com.mebigfatguy.patchanim.OutOfBoundsColor;
 import com.mebigfatguy.patchanim.PatchColor;
@@ -35,6 +37,10 @@
 		if (patch == null)
 			return;
 		
+		WritableRaster wr = image.getRaster();
+		DataBuffer db = wr.getDataBuffer();
+		int pixel = 0;
+
 		PatchCoords[] coords = new PatchCoords[3];
 		
 		coords[0] = patch.getPatch(PatchColor.Red);
@@ -51,32 +57,32 @@
 		int sampleSizeX = image.getWidth();
 		int sampleSizeY = image.getHeight();
 		
-		for (int iu = 0; iu < sampleSizeX; iu++) {
-			u = (double)iu / (double)sampleSizeX;
-			u2 = u * u;
-			u3 = u2 * u;
-			oneMinusU = 1.0 - u;
-			oneMinusU2 = oneMinusU * oneMinusU;
-			oneMinusU3 = oneMinusU2 * oneMinusU;
+		for (int iv = 0; iv < sampleSizeY; iv++) {
+			v = (double)iv / (double)sampleSizeY;
+			v2 = v * v;
+			v3 = v2 * v;
+			oneMinusV = 1.0 - v;
+			oneMinusV2 = oneMinusV * oneMinusV;
+			oneMinusV3 = oneMinusV2 * oneMinusV;
 			
-			uCoeffs[0] = oneMinusU3;
-			uCoeffs[1] = 3.0 * u * oneMinusU2;
-			uCoeffs[2] = 3.0 * u2 * oneMinusU;
-			uCoeffs[3] = u3;
+			vCoeffs[0] = oneMinusV3;
+			vCoeffs[1] = 3.0 * v * oneMinusV2;
+			vCoeffs[2] = 3.0 * v2 * oneMinusV;
+			vCoeffs[3] = v3;
+
+			for (int iu = 0; iu < sampleSizeX; iu++) {
+				u = (double)iu / (double)sampleSizeX;
+				u2 = u * u;
+				u3 = u2 * u;
+				oneMinusU = 1.0 - u;
+				oneMinusU2 = oneMinusU * oneMinusU;
+				oneMinusU3 = oneMinusU2 * oneMinusU;
+				
+				uCoeffs[0] = oneMinusU3;
+				uCoeffs[1] = 3.0 * u * oneMinusU2;
+				uCoeffs[2] = 3.0 * u2 * oneMinusU;
+				uCoeffs[3] = u3;
 			
-			for (int iv = 0; iv < sampleSizeY; iv++) {
-				v = (double)iv / (double)sampleSizeY;
-				v2 = v * v;
-				v3 = v2 * v;
-				oneMinusV = 1.0 - v;
-				oneMinusV2 = oneMinusV * oneMinusV;
-				oneMinusV3 = oneMinusV2 * oneMinusV;
-				
-				vCoeffs[0] = oneMinusV3;
-				vCoeffs[1] = 3.0 * v * oneMinusV2;
-				vCoeffs[2] = 3.0 * v2 * oneMinusV;
-				vCoeffs[3] = v3;
-
 				value[0] = value[1] = value[2] = 0.0;
 				
 				for (int i = 0; i < PatchCoords.ORDER; i++) {
@@ -103,8 +109,12 @@
 							iValue[k] = iValue[k] & 0x00FF;
 					}
 				}
-				int compValue = 0xFF000000 | (iValue[0] << 16) | (iValue[1] << 8) | iValue[2];
-				image.setRGB(iu, iv, compValue);
+				
+				db.setElem(pixel++, iValue[0]);
+				db.setElem(pixel++, iValue[1]);
+				db.setElem(pixel++, iValue[2]);
+				//int compValue = 0xFF000000 | (iValue[0] << 16) | (iValue[1] << 8) | iValue[2];
+				//image.setRGB(iu, iv, compValue);
 			}
 		}
 	}
@@ -113,6 +123,10 @@
 		if (patch == null)
 			return;
 		
+		WritableRaster wr = image.getRaster();
+		DataBuffer db = wr.getDataBuffer();
+		int pixel = 0;
+		
 		PatchCoords coords = patch.getPatch(color);
 		
 		double u, u2, u3, oneMinusU, oneMinusU2, oneMinusU3;
@@ -123,32 +137,32 @@
 		int sampleSizeX = image.getWidth();
 		int sampleSizeY = image.getHeight();
 
-		for (int iu = 0; iu < sampleSizeX; iu++) {
-			u = (double)iu / (double)sampleSizeX;
-			u2 = u * u;
-			u3 = u2 * u;
-			oneMinusU = 1.0 - u;
-			oneMinusU2 = oneMinusU * oneMinusU;
-			oneMinusU3 = oneMinusU2 * oneMinusU;
+		for (int iv = 0; iv < sampleSizeY; iv++) {
+			v = (double)iv / (double)sampleSizeY;
+			v2 = v * v;
+			v3 = v2 * v;
+			oneMinusV = 1.0 - v;
+			oneMinusV2 = oneMinusV * oneMinusV;
+			oneMinusV3 = oneMinusV2 * oneMinusV;
 			
-			uCoeffs[0] = oneMinusU3;
-			uCoeffs[1] = 3.0 * u * oneMinusU2;
-			uCoeffs[2] = 3.0 * u2 * oneMinusU;
-			uCoeffs[3] = u3;
+			vCoeffs[0] = oneMinusV3;
+			vCoeffs[1] = 3.0 * v * oneMinusV2;
+			vCoeffs[2] = 3.0 * v2 * oneMinusV;
+			vCoeffs[3] = v3;
 			
-			for (int iv = 0; iv < sampleSizeY; iv++) {
-				v = (double)iv / (double)sampleSizeY;
-				v2 = v * v;
-				v3 = v2 * v;
-				oneMinusV = 1.0 - v;
-				oneMinusV2 = oneMinusV * oneMinusV;
-				oneMinusV3 = oneMinusV2 * oneMinusV;
+			for (int iu = 0; iu < sampleSizeX; iu++) {
+				u = (double)iu / (double)sampleSizeX;
+				u2 = u * u;
+				u3 = u2 * u;
+				oneMinusU = 1.0 - u;
+				oneMinusU2 = oneMinusU * oneMinusU;
+				oneMinusU3 = oneMinusU2 * oneMinusU;
 				
-				vCoeffs[0] = oneMinusV3;
-				vCoeffs[1] = 3.0 * v * oneMinusV2;
-				vCoeffs[2] = 3.0 * v2 * oneMinusV;
-				vCoeffs[3] = v3;
-
+				uCoeffs[0] = oneMinusU3;
+				uCoeffs[1] = 3.0 * u * oneMinusU2;
+				uCoeffs[2] = 3.0 * u2 * oneMinusU;
+				uCoeffs[3] = u3;
+			
 				double value = 0.0;
 				for (int i = 0; i < PatchCoords.ORDER; i++) {
 					for (int j = 0; j < PatchCoords.ORDER; j++) {
@@ -169,13 +183,8 @@
 					else
 						iValue = iValue & 0x00FF;
 				}
-				if (color == PatchColor.Red)
-					iValue <<= 16;
-				else if (color == PatchColor.Green)
-					iValue <<= 8;
-				iValue |= 0xFF000000;
 				
-				image.setRGB(iu, iv, iValue);
+				db.setElem(pixel++, iValue);
 			}
 		}
 	}


This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.