@pdfme/pdf-lib/dist/pdf-lib.esm.min.js

Create and modify PDF files with JavaScript

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t.pending_buf[t.d_buf+2*t.last_lit]=e>>>8&255,t.pending_buf[t.d_buf+2*t.last_lit+1]=255&e,t.pending_buf[t.l_buf+t.last_lit]=255&r,t.last_lit++,0===e?t.dyn_ltree[2*r]++:(t.matches++,e--,t.dyn_ltree[2*(kt[r]+256+1)]++,t.dyn_dtree[2*Dt(e)]++),t.last_lit===t.lit_bufsize-1},_tr_align:function(t){Et(t,2,3),Rt(t,256,wt),function(t){16===t.bi_valid?(zt(t,t.bi_buf),t.bi_buf=0,t.bi_valid=0):t.bi_valid>=8&&(t.pending_buf[t.pending++]=255&t.bi_buf,t.bi_buf>>=8,t.bi_valid-=8)}(t)}};var Ht=function(t,e,r,n){for(var i=65535&t|0,o=t>>>16&65535|0,s=0;0!==r;){r-=s=r>2e3?2e3:r;do{o=o+(i=i+e[n++]|0)|0}while(--s);i%=65521,o%=65521}return i|o<<16|0};var Xt=function(){for(var t,e=[],r=0;r<256;r++){t=r;for(var n=0;n<8;n++)t=1&t?3988292384^t>>>1:t>>>1;e[r]=t}return e}();var Zt,Yt=function(t,e,r,n){var i=Xt,o=n+r;t^=-1;for(var s=n;s<o;s++)t=t>>>8^i[255&(t^e[s])];return-1^t},Jt={2:"need dictionary",1:"stream end",0:"","-1":"file error","-2":"stream error","-3":"data error","-4":"insufficient memory","-5":"buffer error","-6":"incompatible version"};function Qt(t,e){return t.msg=Jt[e],e}function $t(t){return(t<<1)-(t>4?9:0)}function te(t){for(var e=t.length;--e>=0;)t[e]=0}function ee(t){var e=t.state,r=e.pending;r>t.avail_out&&(r=t.avail_out),0!==r&&(ft.arraySet(t.output,e.pending_buf,e.pending_out,r,t.next_out),t.next_out+=r,e.pending_out+=r,t.total_out+=r,t.avail_out-=r,e.pending-=r,0===e.pending&&(e.pending_out=0))}function re(t,e){_t._tr_flush_block(t,t.block_start>=0?t.block_start:-1,t.strstart-t.block_start,e),t.block_start=t.strstart,ee(t.strm)}function ne(t,e){t.pending_buf[t.pending++]=e}function ie(t,e){t.pending_buf[t.pending++]=e>>>8&255,t.pending_buf[t.pending++]=255&e}function oe(t,e){var r,n,i=t.max_chain_length,o=t.strstart,s=t.prev_length,a=t.nice_match,l=t.strstart>t.w_size-262?t.strstart-(t.w_size-262):0,c=t.window,h=t.w_mask,d=t.prev,u=t.strstart+258,f=c[o+s-1],g=c[o+s];t.prev_length>=t.good_match&&(i>>=2),a>t.lookahead&&(a=t.lookahead);do{if(c[(r=e)+s]===g&&c[r+s-1]===f&&c[r]===c[o]&&c[++r]===c[o+1]){o+=2,r++;do{}while(c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&c[++o]===c[++r]&&o<u);if(n=258-(u-o),o=u-258,n>s){if(t.match_start=e,s=n,n>=a)break;f=c[o+s-1],g=c[o+s]}}}while((e=d[e&h])>l&&0!=--i);return s<=t.lookahead?s:t.lookahead}function se(t){var e,r,n,i,o,s,a,l,c,h,d=t.w_size;do{if(i=t.window_size-t.lookahead-t.strstart,t.strstart>=d+(d-262)){ft.arraySet(t.window,t.window,d,d,0),t.match_start-=d,t.strstart-=d,t.block_start-=d,e=r=t.hash_size;do{n=t.head[--e],t.head[e]=n>=d?n-d:0}while(--r);e=r=d;do{n=t.prev[--e],t.prev[e]=n>=d?n-d:0}while(--r);i+=d}if(0===t.strm.avail_in)break;if(s=t.strm,a=t.window,l=t.strstart+t.lookahead,c=i,h=void 0,(h=s.avail_in)>c&&(h=c),r=0===h?0:(s.avail_in-=h,ft.arraySet(a,s.input,s.next_in,h,l),1===s.state.wrap?s.adler=Ht(s.adler,a,h,l):2===s.state.wrap&&(s.adler=Yt(s.adler,a,h,l)),s.next_in+=h,s.total_in+=h,h),t.lookahead+=r,t.lookahead+t.insert>=3)for(o=t.strstart-t.insert,t.ins_h=t.window[o],t.ins_h=(t.ins_h<<t.hash_shift^t.window[o+1])&t.hash_mask;t.insert&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[o+3-1])&t.hash_mask,t.prev[o&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=o,o++,t.insert--,!(t.lookahead+t.insert<3)););}while(t.lookahead<262&&0!==t.strm.avail_in)}function ae(t,e){for(var r,n;;){if(t.lookahead<262){if(se(t),t.lookahead<262&&0===e)return 1;if(0===t.lookahead)break}if(r=0,t.lookahead>=3&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+3-1])&t.hash_mask,r=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),0!==r&&t.strstart-r<=t.w_size-262&&(t.match_length=oe(t,r)),t.match_length>=3)if(n=_t._tr_tally(t,t.strstart-t.match_start,t.match_length-3),t.lookahead-=t.match_length,t.match_length<=t.max_lazy_match&&t.lookahead>=3){t.match_length--;do{t.strstart++,t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+3-1])&t.hash_mask,r=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart}while(0!=--t.match_length);t.strstart++}else t.strstart+=t.match_length,t.match_length=0,t.ins_h=t.window[t.strstart],t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+1])&t.hash_mask;else n=_t._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++;if(n&&(re(t,!1),0===t.strm.avail_out))return 1}return t.insert=t.strstart<2?t.strstart:2,4===e?(re(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(re(t,!1),0===t.strm.avail_out)?1:2}function le(t,e){for(var r,n,i;;){if(t.lookahead<262){if(se(t),t.lookahead<262&&0===e)return 1;if(0===t.lookahead)break}if(r=0,t.lookahead>=3&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+3-1])&t.hash_mask,r=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart),t.prev_length=t.match_length,t.prev_match=t.match_start,t.match_length=2,0!==r&&t.prev_length<t.max_lazy_match&&t.strstart-r<=t.w_size-262&&(t.match_length=oe(t,r),t.match_length<=5&&(1===t.strategy||3===t.match_length&&t.strstart-t.match_start>4096)&&(t.match_length=2)),t.prev_length>=3&&t.match_length<=t.prev_length){i=t.strstart+t.lookahead-3,n=_t._tr_tally(t,t.strstart-1-t.prev_match,t.prev_length-3),t.lookahead-=t.prev_length-1,t.prev_length-=2;do{++t.strstart<=i&&(t.ins_h=(t.ins_h<<t.hash_shift^t.window[t.strstart+3-1])&t.hash_mask,r=t.prev[t.strstart&t.w_mask]=t.head[t.ins_h],t.head[t.ins_h]=t.strstart)}while(0!=--t.prev_length);if(t.match_available=0,t.match_length=2,t.strstart++,n&&(re(t,!1),0===t.strm.avail_out))return 1}else if(t.match_available){if((n=_t._tr_tally(t,0,t.window[t.strstart-1]))&&re(t,!1),t.strstart++,t.lookahead--,0===t.strm.avail_out)return 1}else t.match_available=1,t.strstart++,t.lookahead--}return t.match_available&&(n=_t._tr_tally(t,0,t.window[t.strstart-1]),t.match_available=0),t.insert=t.strstart<2?t.strstart:2,4===e?(re(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(re(t,!1),0===t.strm.avail_out)?1:2}function ce(t,e,r,n,i){this.good_length=t,this.max_lazy=e,this.nice_length=r,this.max_chain=n,this.func=i}function he(){this.strm=null,this.status=0,this.pending_buf=null,this.pending_buf_size=0,this.pending_out=0,this.pending=0,this.wrap=0,this.gzhead=null,this.gzindex=0,this.method=8,this.last_flush=-1,this.w_size=0,this.w_bits=0,this.w_mask=0,this.window=null,this.window_size=0,this.prev=null,this.head=null,this.ins_h=0,this.hash_size=0,this.hash_bits=0,this.hash_mask=0,this.hash_shift=0,this.block_start=0,this.match_length=0,this.prev_match=0,this.match_available=0,this.strstart=0,this.match_start=0,this.lookahead=0,this.prev_length=0,this.max_chain_length=0,this.max_lazy_match=0,this.level=0,this.strategy=0,this.good_match=0,this.nice_match=0,this.dyn_ltree=new ft.Buf16(1146),this.dyn_dtree=new ft.Buf16(122),this.bl_tree=new ft.Buf16(78),te(this.dyn_ltree),te(this.dyn_dtree),te(this.bl_tree),this.l_desc=null,this.d_desc=null,this.bl_desc=null,this.bl_count=new ft.Buf16(16),this.heap=new ft.Buf16(573),te(this.heap),this.heap_len=0,this.heap_max=0,this.depth=new ft.Buf16(573),te(this.depth),this.l_buf=0,this.lit_bufsize=0,this.last_lit=0,this.d_buf=0,this.opt_len=0,this.static_len=0,this.matches=0,this.insert=0,this.bi_buf=0,this.bi_valid=0}function de(t){var e;return t&&t.state?(t.total_in=t.total_out=0,t.data_type=2,(e=t.state).pending=0,e.pending_out=0,e.wrap<0&&(e.wrap=-e.wrap),e.status=e.wrap?42:113,t.adler=2===e.wrap?0:1,e.last_flush=0,_t._tr_init(e),0):Qt(t,-2)}function ue(t){var e,r=de(t);return 0===r&&((e=t.state).window_size=2*e.w_size,te(e.head),e.max_lazy_match=Zt[e.level].max_lazy,e.good_match=Zt[e.level].good_length,e.nice_match=Zt[e.level].nice_length,e.max_chain_length=Zt[e.level].max_chain,e.strstart=0,e.block_start=0,e.lookahead=0,e.insert=0,e.match_length=e.prev_length=2,e.match_available=0,e.ins_h=0),r}function fe(t,e,r,n,i,o){if(!t)return-2;var s=1;if(-1===e&&(e=6),n<0?(s=0,n=-n):n>15&&(s=2,n-=16),i<1||i>9||8!==r||n<8||n>15||e<0||e>9||o<0||o>4)return Qt(t,-2);8===n&&(n=9);var a=new he;return t.state=a,a.strm=t,a.wrap=s,a.gzhead=null,a.w_bits=n,a.w_size=1<<a.w_bits,a.w_mask=a.w_size-1,a.hash_bits=i+7,a.hash_size=1<<a.hash_bits,a.hash_mask=a.hash_size-1,a.hash_shift=~~((a.hash_bits+3-1)/3),a.window=new ft.Buf8(2*a.w_size),a.head=new ft.Buf16(a.hash_size),a.prev=new ft.Buf16(a.w_size),a.lit_bufsize=1<<i+6,a.pending_buf_size=4*a.lit_bufsize,a.pending_buf=new ft.Buf8(a.pending_buf_size),a.d_buf=1*a.lit_bufsize,a.l_buf=3*a.lit_bufsize,a.level=e,a.strategy=o,a.method=r,ue(t)}Zt=[new ce(0,0,0,0,(function(t,e){var r=65535;for(r>t.pending_buf_size-5&&(r=t.pending_buf_size-5);;){if(t.lookahead<=1){if(se(t),0===t.lookahead&&0===e)return 1;if(0===t.lookahead)break}t.strstart+=t.lookahead,t.lookahead=0;var n=t.block_start+r;if((0===t.strstart||t.strstart>=n)&&(t.lookahead=t.strstart-n,t.strstart=n,re(t,!1),0===t.strm.avail_out))return 1;if(t.strstart-t.block_start>=t.w_size-262&&(re(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,4===e?(re(t,!0),0===t.strm.avail_out?3:4):(t.strstart>t.block_start&&(re(t,!1),t.strm.avail_out),1)})),new ce(4,4,8,4,ae),new ce(4,5,16,8,ae),new ce(4,6,32,32,ae),new ce(4,4,16,16,le),new ce(8,16,32,32,le),new ce(8,16,128,128,le),new ce(8,32,128,256,le),new ce(32,128,258,1024,le),new ce(32,258,258,4096,le)];var ge={deflateInit:function(t,e){return fe(t,e,8,15,8,0)},deflateInit2:fe,deflateReset:ue,deflateResetKeep:de,deflateSetHeader:function(t,e){return t&&t.state?2!==t.state.wrap?-2:(t.state.gzhead=e,0):-2},deflate:function(t,e){var r,n,i,o;if(!t||!t.state||e>5||e<0)return t?Qt(t,-2):-2;if(n=t.state,!t.output||!t.input&&0!==t.avail_in||666===n.status&&4!==e)return Qt(t,0===t.avail_out?-5:-2);if(n.strm=t,r=n.last_flush,n.last_flush=e,42===n.status)if(2===n.wrap)t.adler=0,ne(n,31),ne(n,139),ne(n,8),n.gzhead?(ne(n,(n.gzhead.text?1:0)+(n.gzhead.hcrc?2:0)+(n.gzhead.extra?4:0)+(n.gzhead.name?8:0)+(n.gzhead.comment?16:0)),ne(n,255&n.gzhead.time),ne(n,n.gzhead.time>>8&255),ne(n,n.gzhead.time>>16&255),ne(n,n.gzhead.time>>24&255),ne(n,9===n.level?2:n.strategy>=2||n.level<2?4:0),ne(n,255&n.gzhead.os),n.gzhead.extra&&n.gzhead.extra.length&&(ne(n,255&n.gzhead.extra.length),ne(n,n.gzhead.extra.length>>8&255)),n.gzhead.hcrc&&(t.adler=Yt(t.adler,n.pending_buf,n.pending,0)),n.gzindex=0,n.status=69):(ne(n,0),ne(n,0),ne(n,0),ne(n,0),ne(n,0),ne(n,9===n.level?2:n.strategy>=2||n.level<2?4:0),ne(n,3),n.status=113);else{var s=8+(n.w_bits-8<<4)<<8;s|=(n.strategy>=2||n.level<2?0:n.level<6?1:6===n.level?2:3)<<6,0!==n.strstart&&(s|=32),s+=31-s%31,n.status=113,ie(n,s),0!==n.strstart&&(ie(n,t.adler>>>16),ie(n,65535&t.adler)),t.adler=1}if(69===n.status)if(n.gzhead.extra){for(i=n.pending;n.gzindex<(65535&n.gzhead.extra.length)&&(n.pending!==n.pending_buf_size||(n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),ee(t),i=n.pending,n.pending!==n.pending_buf_size));)ne(n,255&n.gzhead.extra[n.gzindex]),n.gzindex++;n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),n.gzindex===n.gzhead.extra.length&&(n.gzindex=0,n.status=73)}else n.status=73;if(73===n.status)if(n.gzhead.name){i=n.pending;do{if(n.pending===n.pending_buf_size&&(n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),ee(t),i=n.pending,n.pending===n.pending_buf_size)){o=1;break}o=n.gzindex<n.gzhead.name.length?255&n.gzhead.name.charCodeAt(n.gzindex++):0,ne(n,o)}while(0!==o);n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),0===o&&(n.gzindex=0,n.status=91)}else n.status=91;if(91===n.status)if(n.gzhead.comment){i=n.pending;do{if(n.pending===n.pending_buf_size&&(n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),ee(t),i=n.pending,n.pending===n.pending_buf_size)){o=1;break}o=n.gzindex<n.gzhead.comment.length?255&n.gzhead.comment.charCodeAt(n.gzindex++):0,ne(n,o)}while(0!==o);n.gzhead.hcrc&&n.pending>i&&(t.adler=Yt(t.adler,n.pending_buf,n.pending-i,i)),0===o&&(n.status=103)}else n.status=103;if(103===n.status&&(n.gzhead.hcrc?(n.pending+2>n.pending_buf_size&&ee(t),n.pending+2<=n.pending_buf_size&&(ne(n,255&t.adler),ne(n,t.adler>>8&255),t.adler=0,n.status=113)):n.status=113),0!==n.pending){if(ee(t),0===t.avail_out)return n.last_flush=-1,0}else if(0===t.avail_in&&$t(e)<=$t(r)&&4!==e)return Qt(t,-5);if(666===n.status&&0!==t.avail_in)return Qt(t,-5);if(0!==t.avail_in||0!==n.lookahead||0!==e&&666!==n.status){var a=2===n.strategy?function(t,e){for(var r;;){if(0===t.lookahead&&(se(t),0===t.lookahead)){if(0===e)return 1;break}if(t.match_length=0,r=_t._tr_tally(t,0,t.window[t.strstart]),t.lookahead--,t.strstart++,r&&(re(t,!1),0===t.strm.avail_out))return 1}return t.insert=0,4===e?(re(t,!0),0===t.strm.avail_out?3:4):t.last_lit&&(re(t,!1),0===t.strm.avail_out)?1:2}(n,e):3===n.strategy?function(t,e){for(var r,n,i,o,s=t.window;;){if(t.lookahead<=258){if(se(t),t.lookahead<=258&&0===e)return 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t;a--,c+=n[o++]<<h,h+=8}if(b&&0==(240&b)){for(w=m,v=b,x=y;b=(A=r.lencode[x+((c&(1<<w+v)-1)>>w)])>>>16&255,y=65535&A,!(w+(m=A>>>24)<=h);){if(0===a)break t;a--,c+=n[o++]<<h,h+=8}c>>>=w,h-=w,r.back+=w}if(c>>>=m,h-=m,r.back+=m,r.length=y,0===b){r.mode=26;break}if(32&b){r.back=-1,r.mode=12;break}if(64&b){t.msg="invalid literal/length code",r.mode=30;break}r.extra=15&b,r.mode=22;case 22:if(r.extra){for(C=r.extra;h<C;){if(0===a)break t;a--,c+=n[o++]<<h,h+=8}r.length+=c&(1<<r.extra)-1,c>>>=r.extra,h-=r.extra,r.back+=r.extra}r.was=r.length,r.mode=23;case 23:for(;b=(A=r.distcode[c&(1<<r.distbits)-1])>>>16&255,y=65535&A,!((m=A>>>24)<=h);){if(0===a)break t;a--,c+=n[o++]<<h,h+=8}if(0==(240&b)){for(w=m,v=b,x=y;b=(A=r.distcode[x+((c&(1<<w+v)-1)>>w)])>>>16&255,y=65535&A,!(w+(m=A>>>24)<=h);){if(0===a)break t;a--,c+=n[o++]<<h,h+=8}c>>>=w,h-=w,r.back+=w}if(c>>>=m,h-=m,r.back+=m,64&b){t.msg="invalid distance code",r.mode=30;break}r.offset=y,r.extra=15&b,r.mode=24;case 24:if(r.extra){for(C=r.extra;h<C;){if(0===a)break t;a--,c+=n[o++]<<h,h+=8}r.offset+=c&(1<<r.extra)-1,c>>>=r.extra,h-=r.extra,r.back+=r.extra}if(r.offset>r.dmax){t.msg="invalid distance too far back",r.mode=30;break}r.mode=25;case 25:if(0===l)break t;if(f=u-l,r.offset>f){if((f=r.offset-f)>r.whave&&r.sane){t.msg="invalid distance too far back",r.mode=30;break}f>r.wnext?(f-=r.wnext,g=r.wsize-f):g=r.wnext-f,f>r.length&&(f=r.length),p=r.window}else p=i,g=s-r.offset,f=r.length;f>l&&(f=l),l-=f,r.length-=f;do{i[s++]=p[g++]}while(--f);0===r.length&&(r.mode=21);break;case 26:if(0===l)break t;i[s++]=r.length,l--,r.mode=21;break;case 27:if(r.wrap){for(;h<32;){if(0===a)break t;a--,c|=n[o++]<<h,h+=8}if(u-=l,t.total_out+=u,r.total+=u,u&&(t.adler=r.check=r.flags?Yt(r.check,i,u,s-u):Ht(r.check,i,u,s-u)),u=l,(r.flags?c:Pe(c))!==r.check){t.msg="incorrect data check",r.mode=30;break}c=0,h=0}r.mode=28;case 28:if(r.wrap&&r.flags){for(;h<32;){if(0===a)break 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