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Streamline Java wrapper

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git-svn-id: svn+ssh://svn.code.sf.net/p/libjpeg-turbo/code/trunk@424 632fc199-4ca6-4c93-a231-07263d6284db
This commit is contained in:
DRC
2011-02-22 10:27:31 +00:00
parent 4e8ae08b00
commit 36336fcddc
8 changed files with 262 additions and 30 deletions
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28
java/TJExample.java
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@@ -78,10 +78,12 @@ public class TJExample {
fis.read(inputbuf);
fis.close();
TJDecompressor tjd=new TJDecompressor();
TJHeaderInfo tji=tjd.decompressHeader(inputbuf, inputsize);
System.out.print("Source Image: "+tji.width+" x "+tji.height+ " pixels, ");
switch(tji.subsamp) {
TJDecompressor tjd=new TJDecompressor(inputbuf);
int width=tjd.getWidth();
int height=tjd.getHeight();
int subsamp=tjd.getSubsamp();
System.out.print("Source Image: "+width+" x "+height+" pixels, ");
switch(subsamp) {
case TJ.SAMP444: System.out.println("4:4:4 subsampling"); break;
case TJ.SAMP422: System.out.println("4:2:2 subsampling"); break;
case TJ.SAMP420: System.out.println("4:2:0 subsampling"); break;
@@ -90,22 +92,18 @@ public class TJExample {
}
if(scalefactor!=1) {
tji.width=(tji.width+scalefactor-1)/scalefactor;
tji.height=(tji.height+scalefactor-1)/scalefactor;
System.out.println("Dest. Image: "+tji.width+" x "+tji.height
width=(width+scalefactor-1)/scalefactor;
height=(height+scalefactor-1)/scalefactor;
System.out.println("Dest. Image: "+width+" x "+height
+" pixels");
}
byte [] tmpbuf=new byte[tji.width*tji.height*3];
tjd.decompress(inputbuf, inputsize, tmpbuf, tji.width, tji.width*3,
tji.height, 3, TJ.BOTTOMUP);
byte [] tmpbuf=tjd.decompress(width, 0, height, TJ.BGR, TJ.BOTTOMUP);
tjd.close();
TJCompressor tjc=new TJCompressor();
byte [] outputbuf=new byte[(int)TJ.bufSize(tji.width, tji.height)];
long outputsize=tjc.compress(tmpbuf, tji.width, tji.width*3, tji.height,
3, outputbuf, tji.subsamp, 95, TJ.BOTTOMUP);
TJCompressor tjc=new TJCompressor(tmpbuf, width, 0, height, TJ.BGR);
byte [] outputbuf=new byte[(int)TJ.bufSize(width, height)];
long outputsize=tjc.compress(outputbuf, subsamp, 95, TJ.BOTTOMUP);
tjc.close();
file=new File(argv[1]);