aboutsummaryrefslogtreecommitdiffstats
path: root/djvu.js
diff options
context:
space:
mode:
Diffstat (limited to 'djvu.js')
-rw-r--r--djvu.js/image.jb2bin7726 -> 0 bytes
-rw-r--r--djvu.js/test_djvu.cpp19
-rw-r--r--djvu.js/zpcoder.js83
3 files changed, 0 insertions, 102 deletions
diff --git a/djvu.js/image.jb2 b/djvu.js/image.jb2
deleted file mode 100644
index 774a25d..0000000
--- a/djvu.js/image.jb2
+++ /dev/null
Binary files differ
diff --git a/djvu.js/test_djvu.cpp b/djvu.js/test_djvu.cpp
deleted file mode 100644
index 5e09a64..0000000
--- a/djvu.js/test_djvu.cpp
+++ /dev/null
@@ -1,19 +0,0 @@
-#include <ByteStream.h>
-#include <stdio.h>
-#include <fcntl.h>
-#include <JB2Image.h>
-#include <GBitmap.h>
-
-int main(){
- int fh = open("image.jb2", O_RDONLY, 0);
- int fh2 = open("image.pbm", O_WRONLY | O_CREAT, 0600);
- GP<ByteStream> gbs = ByteStream::create(fh, "r", true);
- GP<ByteStream> gbs2 = ByteStream::create(fh2, "w", true);
- GP<JB2Image> img = JB2Image::create();
- img->decode(gbs, 0, 0);
- int w =img->get_width();
- int h = img->get_height();
- GP<GBitmap> gbmp = img->get_bitmap(1, 1);
- gbmp->save_pbm(*gbs2);
- printf("taille est %d %d", w, h);
-}
diff --git a/djvu.js/zpcoder.js b/djvu.js/zpcoder.js
deleted file mode 100644
index 7c31166..0000000
--- a/djvu.js/zpcoder.js
+++ /dev/null
@@ -1,83 +0,0 @@
-var ZPDecoder = {
- create: function(gbs){
- };
- decoder: function(ctx){
- };
- //table
- p: new Uint32Array(256);
- m: new Uint32Array(256);
- up: new Uint8Array(256);
- dn: new Uint8Array(256);
- //machine independent ffz
- ffzt: new Int8Array(256);
- ffz: function(x) {
- //find first zero bit
- return (x>=0xff00) ? (ffzt[x&0xff]+8) : (ffzt[(x>>8)&0xff]);
- };
-
- init: function() {
- var i, j;
- for(i = 0; i<256; i++){
- for(j = i; j&0x80; j<<=1){
- this.ffzt[i] += 1;
- }
- }
- this.delay = 25;
- this.scount = 0;
- this.preload();
- fence = code;
- if (code >= 0x8000)
- fence = 0x7fff;
- };
-
- preload: function() {
- while(this.scount <= 24){
- if(
- }
- }
- };
-
- decode_sub: function(ctx, z){
- // Save bit
- var bit = ctx & 1;
- // Avoid interval reversion
- d = 0x6000 + ((z+a)>>2);
- if( z > this.d)
- z = this.d;
- if( z > this.code) {
- /* LPS branch */
- z = 0x10000 - z;
- this.a = this.a + z;
- this.code = this.code + z;
- /* LPS adaptation */
- ctx = this.dn[ctx];
- /* LPS renormalization */
- var shift = ffz(a);
- this.scount -= shift;
- this.a = (a<<shift) % 65536;
- code = (code<<shift) % 65536| ((buffer>>scount) & ((1<<shift)-1));
- if(this.scount < 16) this.preload();
- this.fence = this.code;
- if(this.code >= 0x8000)
- fence = 0x7fff;
- return bit ^ 1;
- }else {
- /* MPS adaptation */
- if (this.a >= this.m[ctx])
- ctx = up[ctx];
- /* MPS renormalization */
- this.scount -= 1;
- a = (unsigned short)(z<<1);
- this.code = (code<<1) % 65536 | ((buffer>>scount) & 1);
- if (this.scount<16) this.preload();
- /* Adjust fence */
- this.fence = this.code;
- if (this.code >= 0x8000)
- this.fence = 0x7fff;
- return bit;
- }
- };
- IWdecoder: function(){
- return decode_sub_simple(0, 0x8000 = ((this.a + this.a + this.a) >> 3));
- }
-}