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PsDecode.h
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PsDecode.h
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// JPEGsnoop - JPEG Image Decoder & Analysis Utility
// Copyright (C) 2014 - Calvin Hass
// http://www.impulseadventure.com/photo/jpeg-snoop.html
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
// ==========================================================================
// CLASS DESCRIPTION:
// - This module parses the Photoshop PSD and 8BIM segments (APP13)
// - No rendering is done
//
// ==========================================================================
#pragma once
#include "WindowBuf.h"
#include "snoop.h"
#include "SnoopConfig.h"
//
// Structure used for each IPTC field
// - NUM : binary number
// - STR : alphabetic characters, graphic characters, numeric character
// - HEX :
typedef enum teIptcType { IPTC_T_NUM, IPTC_T_NUM1, IPTC_T_NUM2, IPTC_T_HEX, IPTC_T_STR, IPTC_T_UNK, IPTC_T_END };
struct tsIptcField {
unsigned nRecord;
unsigned nDataSet;
teIptcType eFldType;
CString strFldName;
};
// Structure used for each Image Resource Block (8BIM) record
typedef enum teBimType { BIM_T_UNK, BIM_T_STR, BIM_T_HEX,
BIM_T_IPTC_NAA,
BIM_T_JPEG_QUAL,
BIM_T_PS_SLICES,
BIM_T_PS_THUMB_RES,
BIM_T_PS_DESCRIPTOR,
BIM_T_PS_VER_INFO,
BIM_T_PS_RESOLUTION_INFO,
BIM_T_PS_PRINT_SCALE,
BIM_T_PS_PIXEL_ASPECT_RATIO,
BIM_T_PS_DOC_SPECIFIC_SEED,
BIM_T_PS_GRID_GUIDES,
BIM_T_PS_GLOBAL_ANGLE,
BIM_T_PS_GLOBAL_ALTITUDE,
BIM_T_PS_PRINT_FLAGS,
BIM_T_PS_PRINT_FLAGS_INFO,
BIM_T_PS_COPYRIGHT_FLAG,
BIM_T_PS_LAYER_STATE_INFO,
BIM_T_PS_LAYER_GROUP_INFO,
BIM_T_PS_LAYER_GROUP_ENABLED,
BIM_T_PS_LAYER_SELECT_ID,
BIM_T_PS_STR_UNI,
BIM_T_PS_STR_ASC,
BIM_T_PS_STR_ASC_LONG,
BIM_T_END
};
struct tsBimRecord {
unsigned nCode; // Code value or start code for range
unsigned nCodeEnd; // 0x0000 if not a range, else specifies last code value
teBimType eBimType;
CString strRecordName;
};
// Structure used for each enumerated field in IRB decoding
typedef enum teBimEnumField {
BIM_T_ENUM_UNK,
BIM_T_ENUM_FILE_HDR_COL_MODE,
BIM_T_ENUM_RESOLUTION_INFO_RES_UNIT,
BIM_T_ENUM_RESOLUTION_INFO_WIDTH_UNIT,
BIM_T_ENUM_PRINT_SCALE_STYLE,
BIM_T_ENUM_GRID_GUIDE_DIR,
BIM_T_ENUM_END
};
struct tsBimEnum {
teBimEnumField eBimEnum;
unsigned nVal;
CString strVal;
};
// Byte Swap enable for Photoshop decoding
#define PS_BSWAP false
// Define the 8BIM/IRB hex output display characteristics
#define PS_HEX_MAX_INLINE 16 // Threshold for displaying hex in-line with field name
#define PS_HEX_MAX_ROW 16 // Maximum number of bytes to report per line
#define PS_HEX_TOTAL 128 // Total number of bytes to report before clipping
// Define the maximum length Unicode string to display
#define PS_MAX_UNICODE_STRLEN 256
class CPsDecode
{
public:
CPsDecode(CwindowBuf* pWBuf,CDocLog* pLog);
~CPsDecode(void);
void Reset();
bool DecodePsd(unsigned long nPos);
void PhotoshopParseImageResourceBlock(unsigned long &nPos,unsigned nIndent);
private:
CString PhotoshopParseGetLStrAsc(unsigned long &nPos);
CString PhotoshopParseIndent(unsigned nIndent);
void PhotoshopParseReportNote(unsigned nIndent,CString strNote);
CString PhotoshopParseLookupEnum(teBimEnumField eEnumField,unsigned nVal);
void PhotoshopParseReportFldNum(unsigned nIndent,CString strField,unsigned nVal,CString strUnits);
void PhotoshopParseReportFldBool(unsigned nIndent,CString strField,unsigned nVal);
void PhotoshopParseReportFldEnum(unsigned nIndent,CString strField,teBimEnumField eEnumField,unsigned nVal);
void PhotoshopParseReportFldFixPt(unsigned nIndent,CString strField,unsigned nVal,CString strUnits);
void PhotoshopParseReportFldFloatPt(unsigned nIndent,CString strField,unsigned nVal,CString strUnits);
void PhotoshopParseReportFldDoublePt(unsigned nIndent,CString strField,unsigned nVal1,unsigned nVal2,CString strUnits);
void PhotoshopParseReportFldStr(unsigned nIndent,CString strField,CString strVal);
void PhotoshopParseReportFldOffset(unsigned nIndent,CString strField,unsigned long nOffset);
void PhotoshopParseReportFldHex(unsigned nIndent,CString strField,unsigned long nPosStart,unsigned nLen);
void PhotoshopParseThumbnailResource(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseSliceHeader(unsigned long &nPos,unsigned nIndent,unsigned long nPosEnd);
void PhotoshopParseSliceResource(unsigned long &nPos,unsigned nIndent,unsigned long nPosEnd);
void PhotoshopParseDescriptor(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseList(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseInteger(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseBool(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseEnum(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseStringUni(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseHandleOsType(CString strOsType,unsigned long &nPos,unsigned nIndent);
void PhotoshopParseFileHeader(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseColorModeSection(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseImageResourcesSection(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseVersionInfo(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseResolutionInfo(unsigned long &nPos,unsigned nIndent);
void PhotoshopParsePrintScale(unsigned long &nPos,unsigned nIndent);
void PhotoshopParsePixelAspectRatio(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseDocSpecificSeed(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseGridGuides(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseGlobalAngle(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseGlobalAltitude(unsigned long &nPos,unsigned nIndent);
void PhotoshopParsePrintFlags(unsigned long &nPos,unsigned nIndent);
void PhotoshopParsePrintFlagsInfo(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseCopyrightFlag(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseLayerStateInfo(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseLayerGroupInfo(unsigned long &nPos,unsigned nIndent,unsigned nLen);
void PhotoshopParseLayerGroupEnabled(unsigned long &nPos,unsigned nIndent,unsigned nLen);
void PhotoshopParseLayerSelectId(unsigned long &nPos,unsigned nIndent);
void PhotoshopParseJpegQuality(unsigned long &nPos,unsigned nIndent,unsigned long nPosEnd);
// 8BIM
CString PhotoshopParseGetBimLStrUni(unsigned long nPos,unsigned &nPosOffset);
bool FindBimRecord(unsigned nBimId,unsigned &nFldInd);
// IPTC
void DecodeIptc(unsigned long &nPos,unsigned nLen,unsigned nIndent);
bool LookupIptcField(unsigned nRecord,unsigned nDataSet,unsigned &nFldInd);
CString DecodeIptcValue(teIptcType eIptcType,unsigned nFldCnt,unsigned long nPos);
BYTE Buf(unsigned long offset,bool bClean);
private:
// Configuration
CSnoopConfig* m_pAppConfig;
// General classes required for decoding
CwindowBuf* m_pWBuf;
CDocLog* m_pLog;
public:
bool m_bPsd;
unsigned m_nQualitySaveAs;
unsigned m_nQualitySaveForWeb;
};