LegacyConsole/jpexs-decompiler
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cache image to area convert results

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honfika@gmail.com
2015-03-17 10:42:05 +01:00
parent 2664d692ba
commit 553999ddba
2 changed files with 37 additions and 1 deletions
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37
libsrc/ffdec_lib/src/com/jpexs/helpers/Helper.java
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@@ -28,6 +28,7 @@ import java.awt.Rectangle;
import java.awt.Shape;
import java.awt.geom.Area;
import java.awt.image.BufferedImage;
import java.awt.image.DataBufferInt;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.File;
@@ -44,7 +45,9 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.BitSet;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.logging.Level;
import java.util.logging.Logger;
@@ -62,6 +65,8 @@ public class Helper {
public static String newLine = System.getProperty("line.separator");
public static String decompilationErrorAdd = null;
private static final Map<String, Area> shapeCache = new HashMap<>();
/**
* Converts array of int values to string
@@ -899,7 +904,31 @@ public class Helper {
int y1, y2;
int width = image.getWidth();
int height = image.getHeight();
int[] imgData = image.getRGB(0, 0, width, height, null, 0, width);
int[] imgData;
int type = image.getType();
if (type == BufferedImage.TYPE_INT_ARGB || type == BufferedImage.TYPE_INT_RGB) {
imgData = ((DataBufferInt) image.getRaster().getDataBuffer()).getData();
} else{
imgData = image.getRGB(0, 0, width, height, null, 0, width);
}
BitSet bs = new BitSet(width * height);
bs.set(type);
for (int x = 0; x < width; x++) {
for (int y = 0; y < height; y++) {
int idx = width * y + x;
if ((imgData[idx] >>> 24) > 0) {
bs.set(idx);
}
}
}
String key = byteArrayToBase64String(bs.toByteArray());
if (shapeCache.containsKey(key)) {
return shapeCache.get(key);
}
for (int x = 0; x < width; x++) {
y1 = Integer.MAX_VALUE;
y2 = -1;
@@ -924,8 +953,14 @@ public class Helper {
area.add(new Area(rectangle));
}
}
shapeCache.put(key, area);
return area;
}
public static void clearShapeCache() {
shapeCache.clear();
}
public static String byteArrayToBase64String(byte[] data) {
return DatatypeConverter.printBase64Binary(data);