From 24ff6662195222479b4d83d41fa89edc8a3c05d1 Mon Sep 17 00:00:00 2001 From: Sem Date: Sat, 28 Jul 2012 21:12:54 +0200 Subject: Removed uploadify dependence. --- vendors/uploadify/com/adobe/images/JPGEncoder.as | 648 ----------------------- 1 file changed, 648 deletions(-) delete mode 100644 vendors/uploadify/com/adobe/images/JPGEncoder.as (limited to 'vendors/uploadify/com/adobe/images/JPGEncoder.as') diff --git a/vendors/uploadify/com/adobe/images/JPGEncoder.as b/vendors/uploadify/com/adobe/images/JPGEncoder.as deleted file mode 100644 index 100d7e968..000000000 --- a/vendors/uploadify/com/adobe/images/JPGEncoder.as +++ /dev/null @@ -1,648 +0,0 @@ -/* - Copyright (c) 2008, Adobe Systems Incorporated - All rights reserved. - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions are - met: - - * Redistributions of source code must retain the above copyright notice, - this list of conditions and the following disclaimer. - - * Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - * Neither the name of Adobe Systems Incorporated nor the names of its - contributors may be used to endorse or promote products derived from - this software without specific prior written permission. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS - IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF - LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING - NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS - SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. -*/ -package com.adobe.images -{ - import flash.geom.*; - import flash.display.*; - import flash.utils.*; - - /** - * Class that converts BitmapData into a valid JPEG - */ - public class JPGEncoder - { - - // Static table initialization - - private var ZigZag:Array = [ - 0, 1, 5, 6,14,15,27,28, - 2, 4, 7,13,16,26,29,42, - 3, 8,12,17,25,30,41,43, - 9,11,18,24,31,40,44,53, - 10,19,23,32,39,45,52,54, - 20,22,33,38,46,51,55,60, - 21,34,37,47,50,56,59,61, - 35,36,48,49,57,58,62,63 - ]; - - private var YTable:Array = new Array(64); - private var UVTable:Array = new Array(64); - private var fdtbl_Y:Array = new Array(64); - private var fdtbl_UV:Array = new Array(64); - - private function initQuantTables(sf:int):void - { - var i:int; - var t:Number; - var YQT:Array = [ - 16, 11, 10, 16, 24, 40, 51, 61, - 12, 12, 14, 19, 26, 58, 60, 55, - 14, 13, 16, 24, 40, 57, 69, 56, - 14, 17, 22, 29, 51, 87, 80, 62, - 18, 22, 37, 56, 68,109,103, 77, - 24, 35, 55, 64, 81,104,113, 92, - 49, 64, 78, 87,103,121,120,101, - 72, 92, 95, 98,112,100,103, 99 - ]; - for (i = 0; i < 64; i++) { - t = Math.floor((YQT[i]*sf+50)/100); - if (t < 1) { - t = 1; - } else if (t > 255) { - t = 255; - } - YTable[ZigZag[i]] = t; - } - var UVQT:Array = [ - 17, 18, 24, 47, 99, 99, 99, 99, - 18, 21, 26, 66, 99, 99, 99, 99, - 24, 26, 56, 99, 99, 99, 99, 99, - 47, 66, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99, - 99, 99, 99, 99, 99, 99, 99, 99 - ]; - for (i = 0; i < 64; i++) { - t = Math.floor((UVQT[i]*sf+50)/100); - if (t < 1) { - t = 1; - } else if (t > 255) { - t = 255; - } - UVTable[ZigZag[i]] = t; - } - var aasf:Array = [ - 1.0, 1.387039845, 1.306562965, 1.175875602, - 1.0, 0.785694958, 0.541196100, 0.275899379 - ]; - i = 0; - for (var row:int = 0; row < 8; row++) - { - for (var col:int = 0; col < 8; col++) - { - fdtbl_Y[i] = (1.0 / (YTable [ZigZag[i]] * aasf[row] * aasf[col] * 8.0)); - fdtbl_UV[i] = (1.0 / (UVTable[ZigZag[i]] * aasf[row] * aasf[col] * 8.0)); - i++; - } - } - } - - private var YDC_HT:Array; - private var UVDC_HT:Array; - private var YAC_HT:Array; - private var UVAC_HT:Array; - - private function computeHuffmanTbl(nrcodes:Array, std_table:Array):Array - { - var codevalue:int = 0; - var pos_in_table:int = 0; - var HT:Array = new Array(); - for (var k:int=1; k<=16; k++) { - for (var j:int=1; j<=nrcodes[k]; j++) { - HT[std_table[pos_in_table]] = new BitString(); - HT[std_table[pos_in_table]].val = codevalue; - HT[std_table[pos_in_table]].len = k; - pos_in_table++; - codevalue++; - } - codevalue*=2; - } - return HT; - } - - private var std_dc_luminance_nrcodes:Array = [0,0,1,5,1,1,1,1,1,1,0,0,0,0,0,0,0]; - private var std_dc_luminance_values:Array = [0,1,2,3,4,5,6,7,8,9,10,11]; - private var std_ac_luminance_nrcodes:Array = [0,0,2,1,3,3,2,4,3,5,5,4,4,0,0,1,0x7d]; - private var std_ac_luminance_values:Array = [ - 0x01,0x02,0x03,0x00,0x04,0x11,0x05,0x12, - 0x21,0x31,0x41,0x06,0x13,0x51,0x61,0x07, - 0x22,0x71,0x14,0x32,0x81,0x91,0xa1,0x08, - 0x23,0x42,0xb1,0xc1,0x15,0x52,0xd1,0xf0, - 0x24,0x33,0x62,0x72,0x82,0x09,0x0a,0x16, - 0x17,0x18,0x19,0x1a,0x25,0x26,0x27,0x28, - 0x29,0x2a,0x34,0x35,0x36,0x37,0x38,0x39, - 0x3a,0x43,0x44,0x45,0x46,0x47,0x48,0x49, - 0x4a,0x53,0x54,0x55,0x56,0x57,0x58,0x59, - 0x5a,0x63,0x64,0x65,0x66,0x67,0x68,0x69, - 0x6a,0x73,0x74,0x75,0x76,0x77,0x78,0x79, - 0x7a,0x83,0x84,0x85,0x86,0x87,0x88,0x89, - 0x8a,0x92,0x93,0x94,0x95,0x96,0x97,0x98, - 0x99,0x9a,0xa2,0xa3,0xa4,0xa5,0xa6,0xa7, - 0xa8,0xa9,0xaa,0xb2,0xb3,0xb4,0xb5,0xb6, - 0xb7,0xb8,0xb9,0xba,0xc2,0xc3,0xc4,0xc5, - 0xc6,0xc7,0xc8,0xc9,0xca,0xd2,0xd3,0xd4, - 0xd5,0xd6,0xd7,0xd8,0xd9,0xda,0xe1,0xe2, - 0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9,0xea, - 0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8, - 0xf9,0xfa - ]; - - private var std_dc_chrominance_nrcodes:Array = [0,0,3,1,1,1,1,1,1,1,1,1,0,0,0,0,0]; - private var std_dc_chrominance_values:Array = [0,1,2,3,4,5,6,7,8,9,10,11]; - private var std_ac_chrominance_nrcodes:Array = [0,0,2,1,2,4,4,3,4,7,5,4,4,0,1,2,0x77]; - private var std_ac_chrominance_values:Array = [ - 0x00,0x01,0x02,0x03,0x11,0x04,0x05,0x21, - 0x31,0x06,0x12,0x41,0x51,0x07,0x61,0x71, - 0x13,0x22,0x32,0x81,0x08,0x14,0x42,0x91, - 0xa1,0xb1,0xc1,0x09,0x23,0x33,0x52,0xf0, - 0x15,0x62,0x72,0xd1,0x0a,0x16,0x24,0x34, - 0xe1,0x25,0xf1,0x17,0x18,0x19,0x1a,0x26, - 0x27,0x28,0x29,0x2a,0x35,0x36,0x37,0x38, - 0x39,0x3a,0x43,0x44,0x45,0x46,0x47,0x48, - 0x49,0x4a,0x53,0x54,0x55,0x56,0x57,0x58, - 0x59,0x5a,0x63,0x64,0x65,0x66,0x67,0x68, - 0x69,0x6a,0x73,0x74,0x75,0x76,0x77,0x78, - 0x79,0x7a,0x82,0x83,0x84,0x85,0x86,0x87, - 0x88,0x89,0x8a,0x92,0x93,0x94,0x95,0x96, - 0x97,0x98,0x99,0x9a,0xa2,0xa3,0xa4,0xa5, - 0xa6,0xa7,0xa8,0xa9,0xaa,0xb2,0xb3,0xb4, - 0xb5,0xb6,0xb7,0xb8,0xb9,0xba,0xc2,0xc3, - 0xc4,0xc5,0xc6,0xc7,0xc8,0xc9,0xca,0xd2, - 0xd3,0xd4,0xd5,0xd6,0xd7,0xd8,0xd9,0xda, - 0xe2,0xe3,0xe4,0xe5,0xe6,0xe7,0xe8,0xe9, - 0xea,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,0xf8, - 0xf9,0xfa - ]; - - private function initHuffmanTbl():void - { - YDC_HT = computeHuffmanTbl(std_dc_luminance_nrcodes,std_dc_luminance_values); - UVDC_HT = computeHuffmanTbl(std_dc_chrominance_nrcodes,std_dc_chrominance_values); - YAC_HT = computeHuffmanTbl(std_ac_luminance_nrcodes,std_ac_luminance_values); - UVAC_HT = computeHuffmanTbl(std_ac_chrominance_nrcodes,std_ac_chrominance_values); - } - - private var bitcode:Array = new Array(65535); - private var category:Array = new Array(65535); - - private function initCategoryNumber():void - { - var nrlower:int = 1; - var nrupper:int = 2; - var nr:int; - for (var cat:int=1; cat<=15; cat++) { - //Positive numbers - for (nr=nrlower; nr= 0 ) { - if (value & uint(1 << posval) ) { - bytenew |= uint(1 << bytepos); - } - posval--; - bytepos--; - if (bytepos < 0) { - if (bytenew == 0xFF) { - writeByte(0xFF); - writeByte(0); - } - else { - writeByte(bytenew); - } - bytepos=7; - bytenew=0; - } - } - } - - private function writeByte(value:int):void - { - byteout.writeByte(value); - } - - private function writeWord(value:int):void - { - writeByte((value>>8)&0xFF); - writeByte((value )&0xFF); - } - - // DCT & quantization core - - private function fDCTQuant(data:Array, fdtbl:Array):Array - { - var tmp0:Number, tmp1:Number, tmp2:Number, tmp3:Number, tmp4:Number, tmp5:Number, tmp6:Number, tmp7:Number; - var tmp10:Number, tmp11:Number, tmp12:Number, tmp13:Number; - var z1:Number, z2:Number, z3:Number, z4:Number, z5:Number, z11:Number, z13:Number; - var i:int; - /* Pass 1: process rows. */ - var dataOff:int=0; - for (i=0; i<8; i++) { - tmp0 = data[dataOff+0] + data[dataOff+7]; - tmp7 = data[dataOff+0] - data[dataOff+7]; - tmp1 = data[dataOff+1] + data[dataOff+6]; - tmp6 = data[dataOff+1] - data[dataOff+6]; - tmp2 = data[dataOff+2] + data[dataOff+5]; - tmp5 = data[dataOff+2] - data[dataOff+5]; - tmp3 = data[dataOff+3] + data[dataOff+4]; - tmp4 = data[dataOff+3] - data[dataOff+4]; - - /* Even part */ - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - data[dataOff+0] = tmp10 + tmp11; /* phase 3 */ - data[dataOff+4] = tmp10 - tmp11; - - z1 = (tmp12 + tmp13) * 0.707106781; /* c4 */ - data[dataOff+2] = tmp13 + z1; /* phase 5 */ - data[dataOff+6] = tmp13 - z1; - - /* Odd part */ - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * 0.382683433; /* c6 */ - z2 = 0.541196100 * tmp10 + z5; /* c2-c6 */ - z4 = 1.306562965 * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * 0.707106781; /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - data[dataOff+5] = z13 + z2; /* phase 6 */ - data[dataOff+3] = z13 - z2; - data[dataOff+1] = z11 + z4; - data[dataOff+7] = z11 - z4; - - dataOff += 8; /* advance pointer to next row */ - } - - /* Pass 2: process columns. */ - dataOff = 0; - for (i=0; i<8; i++) { - tmp0 = data[dataOff+ 0] + data[dataOff+56]; - tmp7 = data[dataOff+ 0] - data[dataOff+56]; - tmp1 = data[dataOff+ 8] + data[dataOff+48]; - tmp6 = data[dataOff+ 8] - data[dataOff+48]; - tmp2 = data[dataOff+16] + data[dataOff+40]; - tmp5 = data[dataOff+16] - data[dataOff+40]; - tmp3 = data[dataOff+24] + data[dataOff+32]; - tmp4 = data[dataOff+24] - data[dataOff+32]; - - /* Even part */ - tmp10 = tmp0 + tmp3; /* phase 2 */ - tmp13 = tmp0 - tmp3; - tmp11 = tmp1 + tmp2; - tmp12 = tmp1 - tmp2; - - data[dataOff+ 0] = tmp10 + tmp11; /* phase 3 */ - data[dataOff+32] = tmp10 - tmp11; - - z1 = (tmp12 + tmp13) * 0.707106781; /* c4 */ - data[dataOff+16] = tmp13 + z1; /* phase 5 */ - data[dataOff+48] = tmp13 - z1; - - /* Odd part */ - tmp10 = tmp4 + tmp5; /* phase 2 */ - tmp11 = tmp5 + tmp6; - tmp12 = tmp6 + tmp7; - - /* The rotator is modified from fig 4-8 to avoid extra negations. */ - z5 = (tmp10 - tmp12) * 0.382683433; /* c6 */ - z2 = 0.541196100 * tmp10 + z5; /* c2-c6 */ - z4 = 1.306562965 * tmp12 + z5; /* c2+c6 */ - z3 = tmp11 * 0.707106781; /* c4 */ - - z11 = tmp7 + z3; /* phase 5 */ - z13 = tmp7 - z3; - - data[dataOff+40] = z13 + z2; /* phase 6 */ - data[dataOff+24] = z13 - z2; - data[dataOff+ 8] = z11 + z4; - data[dataOff+56] = z11 - z4; - - dataOff++; /* advance pointer to next column */ - } - - // Quantize/descale the coefficients - for (i=0; i<64; i++) { - // Apply the quantization and scaling factor & Round to nearest integer - data[i] = Math.round((data[i]*fdtbl[i])); - } - return data; - } - - // Chunk writing - - private function writeAPP0():void - { - writeWord(0xFFE0); // marker - writeWord(16); // length - writeByte(0x4A); // J - writeByte(0x46); // F - writeByte(0x49); // I - writeByte(0x46); // F - writeByte(0); // = "JFIF",'\0' - writeByte(1); // versionhi - writeByte(1); // versionlo - writeByte(0); // xyunits - writeWord(1); // xdensity - writeWord(1); // ydensity - writeByte(0); // thumbnwidth - writeByte(0); // thumbnheight - } - - private function writeSOF0(width:int, height:int):void - { - writeWord(0xFFC0); // marker - writeWord(17); // length, truecolor YUV JPG - writeByte(8); // precision - writeWord(height); - writeWord(width); - writeByte(3); // nrofcomponents - writeByte(1); // IdY - writeByte(0x11); // HVY - writeByte(0); // QTY - writeByte(2); // IdU - writeByte(0x11); // HVU - writeByte(1); // QTU - writeByte(3); // IdV - writeByte(0x11); // HVV - writeByte(1); // QTV - } - - private function writeDQT():void - { - writeWord(0xFFDB); // marker - writeWord(132); // length - writeByte(0); - var i:int; - for (i=0; i<64; i++) { - writeByte(YTable[i]); - } - writeByte(1); - for (i=0; i<64; i++) { - writeByte(UVTable[i]); - } - } - - private function writeDHT():void - { - writeWord(0xFFC4); // marker - writeWord(0x01A2); // length - var i:int; - - writeByte(0); // HTYDCinfo - for (i=0; i<16; i++) { - writeByte(std_dc_luminance_nrcodes[i+1]); - } - for (i=0; i<=11; i++) { - writeByte(std_dc_luminance_values[i]); - } - - writeByte(0x10); // HTYACinfo - for (i=0; i<16; i++) { - writeByte(std_ac_luminance_nrcodes[i+1]); - } - for (i=0; i<=161; i++) { - writeByte(std_ac_luminance_values[i]); - } - - writeByte(1); // HTUDCinfo - for (i=0; i<16; i++) { - writeByte(std_dc_chrominance_nrcodes[i+1]); - } - for (i=0; i<=11; i++) { - writeByte(std_dc_chrominance_values[i]); - } - - writeByte(0x11); // HTUACinfo - for (i=0; i<16; i++) { - writeByte(std_ac_chrominance_nrcodes[i+1]); - } - for (i=0; i<=161; i++) { - writeByte(std_ac_chrominance_values[i]); - } - } - - private function writeSOS():void - { - writeWord(0xFFDA); // marker - writeWord(12); // length - writeByte(3); // nrofcomponents - writeByte(1); // IdY - writeByte(0); // HTY - writeByte(2); // IdU - writeByte(0x11); // HTU - writeByte(3); // IdV - writeByte(0x11); // HTV - writeByte(0); // Ss - writeByte(0x3f); // Se - writeByte(0); // Bf - } - - // Core processing - private var DU:Array = new Array(64); - - private function processDU(CDU:Array, fdtbl:Array, DC:Number, HTDC:Array, HTAC:Array):Number - { - var EOB:BitString = HTAC[0x00]; - var M16zeroes:BitString = HTAC[0xF0]; - var i:int; - - var DU_DCT:Array = fDCTQuant(CDU, fdtbl); - //ZigZag reorder - for (i=0;i<64;i++) { - DU[ZigZag[i]]=DU_DCT[i]; - } - var Diff:int = DU[0] - DC; DC = DU[0]; - //Encode DC - if (Diff==0) { - writeBits(HTDC[0]); // Diff might be 0 - } else { - writeBits(HTDC[category[32767+Diff]]); - writeBits(bitcode[32767+Diff]); - } - //Encode ACs - var end0pos:int = 63; - for (; (end0pos>0)&&(DU[end0pos]==0); end0pos--) { - }; - //end0pos = first element in reverse order !=0 - if ( end0pos == 0) { - writeBits(EOB); - return DC; - } - i = 1; - while ( i <= end0pos ) { - var startpos:int = i; - for (; (DU[i]==0) && (i<=end0pos); i++) { - } - var nrzeroes:int = i-startpos; - if ( nrzeroes >= 16 ) { - for (var nrmarker:int=1; nrmarker <= nrzeroes/16; nrmarker++) { - writeBits(M16zeroes); - } - nrzeroes = int(nrzeroes&0xF); - } - writeBits(HTAC[nrzeroes*16+category[32767+DU[i]]]); - writeBits(bitcode[32767+DU[i]]); - i++; - } - if ( end0pos != 63 ) { - writeBits(EOB); - } - return DC; - } - - private var YDU:Array = new Array(64); - private var UDU:Array = new Array(64); - private var VDU:Array = new Array(64); - - private function RGB2YUV(img:BitmapData, xpos:int, ypos:int):void - { - var pos:int=0; - for (var y:int=0; y<8; y++) { - for (var x:int=0; x<8; x++) { - var P:uint = img.getPixel32(xpos+x,ypos+y); - var R:Number = Number((P>>16)&0xFF); - var G:Number = Number((P>> 8)&0xFF); - var B:Number = Number((P )&0xFF); - YDU[pos]=((( 0.29900)*R+( 0.58700)*G+( 0.11400)*B))-128; - UDU[pos]=(((-0.16874)*R+(-0.33126)*G+( 0.50000)*B)); - VDU[pos]=((( 0.50000)*R+(-0.41869)*G+(-0.08131)*B)); - pos++; - } - } - } - - /** - * Constructor for JPEGEncoder class - * - * @param quality The quality level between 1 and 100 that detrmines the - * level of compression used in the generated JPEG - * @langversion ActionScript 3.0 - * @playerversion Flash 9.0 - * @tiptext - */ - public function JPGEncoder(quality:Number = 50) - { - if (quality <= 0) { - quality = 1; - } - if (quality > 100) { - quality = 100; - } - var sf:int = 0; - if (quality < 50) { - sf = int(5000 / quality); - } else { - sf = int(200 - quality*2); - } - // Create tables - initHuffmanTbl(); - initCategoryNumber(); - initQuantTables(sf); - } - - /** - * Created a JPEG image from the specified BitmapData - * - * @param image The BitmapData that will be converted into the JPEG format. - * @return a ByteArray representing the JPEG encoded image data. - * @langversion ActionScript 3.0 - * @playerversion Flash 9.0 - * @tiptext - */ - public function encode(image:BitmapData):ByteArray - { - // Initialize bit writer - byteout = new ByteArray(); - bytenew=0; - bytepos=7; - - // Add JPEG headers - writeWord(0xFFD8); // SOI - writeAPP0(); - writeDQT(); - writeSOF0(image.width,image.height); - writeDHT(); - writeSOS(); - - - // Encode 8x8 macroblocks - var DCY:Number=0; - var DCU:Number=0; - var DCV:Number=0; - bytenew=0; - bytepos=7; - for (var ypos:int=0; ypos= 0 ) { - var fillbits:BitString = new BitString(); - fillbits.len = bytepos+1; - fillbits.val = (1<<(bytepos+1))-1; - writeBits(fillbits); - } - - writeWord(0xFFD9); //EOI - return byteout; - } - } -} -- cgit v1.2.3