diff options
Diffstat (limited to 'plugins/freeimage/Source/FreeImage/PSDParser.cpp')
-rw-r--r-- | plugins/freeimage/Source/FreeImage/PSDParser.cpp | 1052 |
1 files changed, 0 insertions, 1052 deletions
diff --git a/plugins/freeimage/Source/FreeImage/PSDParser.cpp b/plugins/freeimage/Source/FreeImage/PSDParser.cpp deleted file mode 100644 index 7d210330b0..0000000000 --- a/plugins/freeimage/Source/FreeImage/PSDParser.cpp +++ /dev/null @@ -1,1052 +0,0 @@ -// ==========================================================
-// Photoshop Loader
-//
-// Design and implementation by
-// - Hervé Drolon (drolon@infonie.fr)
-// - Mihail Naydenov (mnaydenov@users.sourceforge.net)
-//
-// Based on LGPL code created and published by http://sourceforge.net/projects/elynx/
-//
-// This file is part of FreeImage 3
-//
-// COVERED CODE IS PROVIDED UNDER THIS LICENSE ON AN "AS IS" BASIS, WITHOUT WARRANTY
-// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
-// THAT THE COVERED CODE IS FREE OF DEFECTS, MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE
-// OR NON-INFRINGING. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE COVERED
-// CODE IS WITH YOU. SHOULD ANY COVERED CODE PROVE DEFECTIVE IN ANY RESPECT, YOU (NOT
-// THE INITIAL DEVELOPER OR ANY OTHER CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
-// SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER OF WARRANTY CONSTITUTES AN ESSENTIAL
-// PART OF THIS LICENSE. NO USE OF ANY COVERED CODE IS AUTHORIZED HEREUNDER EXCEPT UNDER
-// THIS DISCLAIMER.
-//
-// Use at your own risk!
-// ==========================================================
-
-#include "FreeImage.h"
-#include "Utilities.h"
-#include "PSDParser.h"
-
-// --------------------------------------------------------------------------
-
-// PSD signature (= '8BPS')
-#define PSD_SIGNATURE 0x38425053
-// Image resource block signature (= '8BIM')
-#define PSD_RESOURCE 0x3842494D
-
-// PSD color modes
-#define PSDP_BITMAP 0
-#define PSDP_GRAYSCALE 1
-#define PSDP_INDEXED 2
-#define PSDP_RGB 3
-#define PSDP_CMYK 4
-#define PSDP_MULTICHANNEL 7
-#define PSDP_DUOTONE 8
-#define PSDP_LAB 9
-
-// PSD compression schemes
-#define PSDP_COMPRESSION_NONE 0 // Raw data
-#define PSDP_COMPRESSION_RLE 1 // RLE compression (same as TIFF packed bits)
-
-#define SAFE_DELETE_ARRAY(_p_) { if (NULL != (_p_)) { delete [] (_p_); (_p_) = NULL; } }
-
-// --------------------------------------------------------------------------
-
-static inline int
-psdGetValue(const BYTE * iprBuffer, const int iBytes) {
- int v = iprBuffer[0];
- for (int i=1; i<iBytes; ++i) {
- v = (v << 8) | iprBuffer[i];
- }
- return v;
-}
-
-// --------------------------------------------------------------------------
-
-psdHeaderInfo::psdHeaderInfo() : _Channels(-1), _Height(-1), _Width(-1), _BitsPerChannel(-1), _ColourMode(-1) {
-}
-
-psdHeaderInfo::~psdHeaderInfo() {
-}
-
-bool psdHeaderInfo::Read(FreeImageIO *io, fi_handle handle) {
- psdHeader header;
-
- const int n = (int)io->read_proc(&header, sizeof(header), 1, handle);
- if(!n) {
- return false;
- }
-
- // check the signature
- int nSignature = psdGetValue(header.Signature, sizeof(header.Signature));
- if (PSD_SIGNATURE == nSignature) {
- // check the version
- int nVersion = psdGetValue( header.Version, sizeof(header.Version) );
- if (1 == nVersion) {
- // header.Reserved must be zero
- BYTE psd_reserved[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
- if(memcmp(header.Reserved, psd_reserved, 6) != 0) {
- FreeImage_OutputMessageProc(FIF_PSD, "Warning: file header reserved member is not equal to zero");
- }
- // read the header
- _Channels = (short)psdGetValue( header.Channels, sizeof(header.Channels) );
- _Height = psdGetValue( header.Rows, sizeof(header.Rows) );
- _Width = psdGetValue( header.Columns, sizeof(header.Columns) );
- _BitsPerChannel = (short)psdGetValue( header.Depth, sizeof(header.Depth) );
- _ColourMode = (short)psdGetValue( header.Mode, sizeof(header.Mode) );
-
- return true;
- }
- }
-
- return false;
-}
-
-// --------------------------------------------------------------------------
-
-psdColourModeData::psdColourModeData() : _Length(-1), _plColourData(NULL) {
-}
-
-psdColourModeData::~psdColourModeData() {
- SAFE_DELETE_ARRAY(_plColourData);
-}
-
-bool psdColourModeData::Read(FreeImageIO *io, fi_handle handle) {
- if (0 < _Length) {
- SAFE_DELETE_ARRAY(_plColourData);
- }
-
- BYTE Length[4];
- io->read_proc(&Length, sizeof(Length), 1, handle);
-
- _Length = psdGetValue( Length, sizeof(_Length) );
- if (0 < _Length) {
- _plColourData = new BYTE[_Length];
- io->read_proc(_plColourData, _Length, 1, handle);
- }
-
- return true;
-}
-
-bool psdColourModeData::FillPalette(FIBITMAP *dib) {
- RGBQUAD *pal = FreeImage_GetPalette(dib);
- if(pal) {
- for (int i = 0; i < 256; i++) {
- pal[i].rgbRed = _plColourData[i + 0*256];
- pal[i].rgbGreen = _plColourData[i + 1*256];
- pal[i].rgbBlue = _plColourData[i + 2*256];
- }
- return true;
- }
- return false;
-}
-
-// --------------------------------------------------------------------------
-
-psdImageResource::psdImageResource() : _plName (0) {
- Reset();
-}
-
-psdImageResource::~psdImageResource() {
- SAFE_DELETE_ARRAY(_plName);
-}
-
-void psdImageResource::Reset() {
- _Length = -1;
- memset( _OSType, '\0', sizeof(_OSType) );
- _ID = -1;
- SAFE_DELETE_ARRAY(_plName);
- _Size = -1;
-}
-
-// --------------------------------------------------------------------------
-
-psdResolutionInfo::psdResolutionInfo() : _widthUnit(-1), _heightUnit(-1), _hRes(-1), _vRes(-1), _hResUnit(-1), _vResUnit(-1) {
-}
-
-psdResolutionInfo::~psdResolutionInfo() {
-}
-
-int psdResolutionInfo::Read(FreeImageIO *io, fi_handle handle) {
- BYTE IntValue[4], ShortValue[2];
- int nBytes=0, n;
-
- // Horizontal resolution in pixels per inch.
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _hRes = (short)psdGetValue(ShortValue, sizeof(_hRes) );
- // 1=display horizontal resolution in pixels per inch; 2=display horizontal resolution in pixels per cm.
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _hResUnit = psdGetValue(IntValue, sizeof(_hResUnit) );
- // Display width as 1=inches; 2=cm; 3=points; 4=picas; 5=columns.
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _widthUnit = (short)psdGetValue(ShortValue, sizeof(_widthUnit) );
- // Vertical resolution in pixels per inch.
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _vRes = (short)psdGetValue(ShortValue, sizeof(_vRes) );
- // 1=display vertical resolution in pixels per inch; 2=display vertical resolution in pixels per cm.
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _vResUnit = psdGetValue(IntValue, sizeof(_vResUnit) );
- // Display height as 1=inches; 2=cm; 3=points; 4=picas; 5=columns.
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _heightUnit = (short)psdGetValue(ShortValue, sizeof(_heightUnit) );
-
- return nBytes;
-}
-
-void psdResolutionInfo::GetResolutionInfo(unsigned &res_x, unsigned &res_y) {
- if(_hResUnit == 1) {
- // convert pixels / inch to pixel / m
- res_x = (unsigned) (_hRes / 0.0254000 + 0.5);
- } else if(_hResUnit == 2) {
- // convert pixels / cm to pixel / m
- res_x = (unsigned) (_hRes * 100.0 + 0.5);
- }
- if(_vResUnit == 1) {
- // convert pixels / inch to pixel / m
- res_y = (unsigned) (_vRes / 0.0254000 + 0.5);
- } else if(_vResUnit == 2) {
- // convert pixels / cm to pixel / m
- res_y = (unsigned) (_vRes * 100.0 + 0.5);
- }
-}
-
-// --------------------------------------------------------------------------
-
-psdResolutionInfo_v2::psdResolutionInfo_v2() {
- _Channels = _Rows = _Columns = _Depth = _Mode = -1;
-}
-
-psdResolutionInfo_v2::~psdResolutionInfo_v2() {
-}
-
-int psdResolutionInfo_v2::Read(FreeImageIO *io, fi_handle handle) {
- BYTE ShortValue[2];
- int nBytes=0, n;
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Channels = (short)psdGetValue(ShortValue, sizeof(_Channels) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Rows = (short)psdGetValue(ShortValue, sizeof(_Rows) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Columns = (short)psdGetValue(ShortValue, sizeof(_Columns) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Depth = (short)psdGetValue(ShortValue, sizeof(_Depth) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Mode = (short)psdGetValue(ShortValue, sizeof(_Mode) );
-
- return nBytes;
-}
-
-// --------------------------------------------------------------------------
-
-psdDisplayInfo::psdDisplayInfo() {
- _Opacity = _ColourSpace = -1;
- for (unsigned n = 0; n < 4; ++n) {
- _Colour[n] = 0;
- }
- _Kind = 0;
- _padding = '0';
-}
-
-psdDisplayInfo::~psdDisplayInfo() {
-}
-
-int psdDisplayInfo::Read(FreeImageIO *io, fi_handle handle) {
- BYTE ShortValue[2];
- int nBytes=0, n;
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _ColourSpace = (short)psdGetValue(ShortValue, sizeof(_ColourSpace) );
-
- for (unsigned i = 0; i < 4; ++i) {
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Colour[i] = (short)psdGetValue(ShortValue, sizeof(_Colour[i]) );
- }
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Opacity = (short)psdGetValue(ShortValue, sizeof(_Opacity) );
- if((_Opacity < 0) || (_Opacity > 100)) {
- throw "Invalid DisplayInfo::Opacity value";
- }
-
- BYTE c[1];
- n = (int)io->read_proc(&c, sizeof(c), 1, handle);
- nBytes += n * sizeof(c);
- _Kind = (BYTE)psdGetValue(c, sizeof(c));
-
- n = (int)io->read_proc(&c, sizeof(c), 1, handle);
- nBytes += n * sizeof(c);
- _padding = (BYTE)psdGetValue(c, sizeof(c));
- if(_padding != 0) {
- throw "Invalid DisplayInfo::Padding value";
- }
-
- return nBytes;
-}
-
-// --------------------------------------------------------------------------
-
-psdThumbnail::psdThumbnail() :
-_Format(-1), _Width(-1), _Height(-1), _WidthBytes(-1), _Size(-1), _CompressedSize(-1), _BitPerPixel(-1), _Planes(-1), _dib(NULL) {
-}
-
-psdThumbnail::~psdThumbnail() {
- FreeImage_Unload(_dib);
-}
-
-int psdThumbnail::Read(FreeImageIO *io, fi_handle handle, int iResourceSize, bool isBGR) {
- BYTE ShortValue[2], IntValue[4];
- int nBytes=0, n;
-
- // remove the header size (28 bytes) from the total data size
- int iTotalData = iResourceSize - 28;
-
- const long block_end = io->tell_proc(handle) + iTotalData;
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _Format = psdGetValue(IntValue, sizeof(_Format) );
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _Width = psdGetValue(IntValue, sizeof(_Width) );
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _Height = psdGetValue(IntValue, sizeof(_Height) );
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _WidthBytes = psdGetValue(IntValue, sizeof(_WidthBytes) );
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _Size = psdGetValue(IntValue, sizeof(_Size) );
-
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _CompressedSize = psdGetValue(IntValue, sizeof(_CompressedSize) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _BitPerPixel = (short)psdGetValue(ShortValue, sizeof(_BitPerPixel) );
-
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _Planes = (short)psdGetValue(ShortValue, sizeof(_Planes) );
-
- const long JFIF_startpos = io->tell_proc(handle);
-
- if(_dib) {
- FreeImage_Unload(_dib);
- }
-
- if(_Format == 1) {
- // kJpegRGB thumbnail image
- _dib = FreeImage_LoadFromHandle(FIF_JPEG, io, handle);
- if(isBGR) {
- SwapRedBlue32(_dib);
- }
- // HACK: manually go to end of thumbnail, because (for some reason) LoadFromHandle consumes more bytes then available!
- io->seek_proc(handle, block_end, SEEK_SET);
- }
- else {
- // kRawRGB thumbnail image
- // ### Unimplemented (should be trivial)
-
- // skip the thumbnail part
- io->seek_proc(handle, iTotalData, SEEK_CUR);
- return iResourceSize;
- }
-
- nBytes += (block_end - JFIF_startpos);
-
- return nBytes;
-}
-
-//---------------------------------------------------------------------------
-
-psdICCProfile::psdICCProfile() : _ProfileSize(0), _ProfileData(NULL) {
-}
-
-psdICCProfile::~psdICCProfile() {
- clear();
-}
-
-void psdICCProfile::clear() { SAFE_DELETE_ARRAY(_ProfileData); _ProfileSize = 0;}
-
-int psdICCProfile::Read(FreeImageIO *io, fi_handle handle, int size) {
- int nBytes = 0, n;
-
- clear();
-
- _ProfileData = new (std::nothrow) BYTE[size];
- if(NULL != _ProfileData) {
- n = (int)io->read_proc(_ProfileData, 1, size, handle);
- _ProfileSize = size;
- nBytes += n * sizeof(BYTE);
- }
-
- return nBytes;
-}
-
-//---------------------------------------------------------------------------
-
-/**
-Invert only color components, skipping Alpha/Black
-(Can be useful as public/utility function)
-*/
-static
-BOOL invertColor(FIBITMAP* dib) {
- FREE_IMAGE_TYPE type = FreeImage_GetImageType(dib);
- const unsigned Bpp = FreeImage_GetBPP(dib)/8;
-
- if((type == FIT_BITMAP && Bpp == 4) || type == FIT_RGBA16) {
- const unsigned width = FreeImage_GetWidth(dib);
- const unsigned height = FreeImage_GetHeight(dib);
- BYTE *line_start = FreeImage_GetScanLine(dib, 0);
- const unsigned pitch = FreeImage_GetPitch(dib);
- const unsigned triBpp = Bpp - (Bpp == 4 ? 1 : 2);
-
- for(unsigned y = 0; y < height; y++) {
- BYTE *line = line_start;
-
- for(unsigned x = 0; x < width; x++) {
- for(unsigned b=0; b < triBpp; ++b) {
- line[b] = ~line[b];
- }
-
- line += Bpp;
- }
- line_start += pitch;
- }
-
- return TRUE;
- }
- else {
- return FreeImage_Invert(dib);
- }
-}
-
-//---------------------------------------------------------------------------
-
-psdParser::psdParser() {
- _bThumbnailFilled = false;
- _bDisplayInfoFilled = false;
- _bResolutionInfoFilled = false;
- _bResolutionInfoFilled_v2 = false;
- _bCopyright = false;
- _GlobalAngle = 30;
- _ColourCount = -1;
- _TransparentIndex = -1;
- _fi_flags = 0;
- _fi_format_id = FIF_UNKNOWN;
-}
-
-psdParser::~psdParser() {
-}
-
-bool psdParser::ReadLayerAndMaskInfoSection(FreeImageIO *io, fi_handle handle) {
- bool bSuccess = false;
-
- BYTE DataLength[4];
- int nBytes = 0;
- int n = (int)io->read_proc(&DataLength, sizeof(DataLength), 1, handle);
- int nTotalBytes = psdGetValue( DataLength, sizeof(DataLength) );
-
- BYTE data[1];
- while( n && ( nBytes < nTotalBytes ) ) {
- data[0] = '\0';
- n = (int)io->read_proc(&data, sizeof(data), 1, handle);
- nBytes += n * sizeof(data);
- }
-
- if ( nBytes == nTotalBytes ) {
- bSuccess = true;
- }
-
- return bSuccess;
-}
-
-bool psdParser::ReadImageResources(FreeImageIO *io, fi_handle handle, LONG length) {
- psdImageResource oResource;
- bool bSuccess = false;
-
- if(length > 0) {
- oResource._Length = length;
- } else {
- BYTE Length[4];
- int n = (int)io->read_proc(&Length, sizeof(Length), 1, handle);
-
- oResource._Length = psdGetValue( Length, sizeof(oResource._Length) );
- }
-
- int nBytes = 0;
- int nTotalBytes = oResource._Length;
-
- while(nBytes < nTotalBytes) {
- int n = 0;
- oResource.Reset();
-
- n = (int)io->read_proc(&oResource._OSType, sizeof(oResource._OSType), 1, handle);
- nBytes += n * sizeof(oResource._OSType);
-
- if( (nBytes % 2) != 0 ) {
- return false;
- }
-
- int nOSType = psdGetValue((BYTE*)&oResource._OSType, sizeof(oResource._OSType));
-
- if ( PSD_RESOURCE == nOSType ) {
- BYTE ID[2];
- n = (int)io->read_proc(&ID, sizeof(ID), 1, handle);
- nBytes += n * sizeof(ID);
-
- oResource._ID = (short)psdGetValue( ID, sizeof(ID) );
-
- BYTE SizeOfName;
- n = (int)io->read_proc(&SizeOfName, sizeof(SizeOfName), 1, handle);
- nBytes += n * sizeof(SizeOfName);
-
- int nSizeOfName = psdGetValue( &SizeOfName, sizeof(SizeOfName) );
- if ( 0 < nSizeOfName ) {
- oResource._plName = new BYTE[nSizeOfName];
- n = (int)io->read_proc(oResource._plName, nSizeOfName, 1, handle);
- nBytes += n * nSizeOfName;
- }
-
- if ( 0 == (nSizeOfName % 2) ) {
- n = (int)io->read_proc(&SizeOfName, sizeof(SizeOfName), 1, handle);
- nBytes += n * sizeof(SizeOfName);
- }
-
- BYTE Size[4];
- n = (int)io->read_proc(&Size, sizeof(Size), 1, handle);
- nBytes += n * sizeof(Size);
-
- oResource._Size = psdGetValue( Size, sizeof(oResource._Size) );
-
- if ( 0 != (oResource._Size % 2) ) {
- // resource data must be even
- oResource._Size++;
- }
- if ( 0 < oResource._Size ) {
- BYTE IntValue[4];
- BYTE ShortValue[2];
-
- switch( oResource._ID ) {
- case 1000:
- // Obsolete - Photoshop 2.0
- _bResolutionInfoFilled_v2 = true;
- nBytes += _resolutionInfo_v2.Read(io, handle);
- break;
-
- // ResolutionInfo structure
- case 1005:
- _bResolutionInfoFilled = true;
- nBytes += _resolutionInfo.Read(io, handle);
- break;
-
- // DisplayInfo structure
- case 1007:
- _bDisplayInfoFilled = true;
- nBytes += _displayInfo.Read(io, handle);
- break;
-
- // (Photoshop 4.0) Copyright flag
- // Boolean indicating whether image is copyrighted. Can be set via Property suite or by user in File Info...
- case 1034:
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _bCopyright = (1 == psdGetValue(ShortValue, sizeof(ShortValue)));
- break;
-
- // (Photoshop 4.0) Thumbnail resource for Photoshop 4.0 only
- case 1033:
- // (Photoshop 5.0) Thumbnail resource (supersedes resource 1033)
- case 1036:
- {
- _bThumbnailFilled = true;
- bool bBGR = (1033==oResource._ID);
- nBytes += _thumbnail.Read(io, handle, oResource._Size, bBGR);
- break;
- }
-
- // (Photoshop 5.0) Global Angle
- // 4 bytes that contain an integer between 0 and 359, which is the global
- // lighting angle for effects layer. If not present, assumed to be 30.
- case 1037:
- n = (int)io->read_proc(&IntValue, sizeof(IntValue), 1, handle);
- nBytes += n * sizeof(IntValue);
- _GlobalAngle = psdGetValue(IntValue, sizeof(_GlobalAngle) );
- break;
-
- // ICC profile
- case 1039:
- nBytes += _iccProfile.Read(io, handle, oResource._Size);
- break;
-
- // (Photoshop 6.0) Indexed Color Table Count
- // 2 bytes for the number of colors in table that are actually defined
- case 1046:
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _ColourCount = (short)psdGetValue(ShortValue, sizeof(ShortValue) );
- break;
-
- // (Photoshop 6.0) Transparency Index.
- // 2 bytes for the index of transparent color, if any.
- case 1047:
- n = (int)io->read_proc(&ShortValue, sizeof(ShortValue), 1, handle);
- nBytes += n * sizeof(ShortValue);
- _TransparentIndex = (short)psdGetValue(ShortValue, sizeof(ShortValue) );
- break;
-
- default:
- {
- // skip resource
- unsigned skip_length = MIN(oResource._Size, nTotalBytes - nBytes);
- io->seek_proc(handle, skip_length, SEEK_CUR);
- nBytes += skip_length;
- }
- break;
- }
- }
- }
- }
-
- if (nBytes == nTotalBytes) {
- bSuccess = true;
- }
-
- return bSuccess;
-
-}
-
-FIBITMAP* psdParser::ReadImageData(FreeImageIO *io, fi_handle handle) {
- if(handle == NULL)
- return NULL;
-
- bool header_only = (_fi_flags & FIF_LOAD_NOPIXELS) == FIF_LOAD_NOPIXELS;
-
- WORD nCompression = 0;
- io->read_proc(&nCompression, sizeof(nCompression), 1, handle);
-
-#ifndef FREEIMAGE_BIGENDIAN
- SwapShort(&nCompression);
-#endif
-
- if((nCompression != PSDP_COMPRESSION_NONE && nCompression != PSDP_COMPRESSION_RLE)) {
- FreeImage_OutputMessageProc(_fi_format_id, "Unsupported compression %d", nCompression);
- return NULL;
- }
-
- const unsigned nWidth = _headerInfo._Width;
- const unsigned nHeight = _headerInfo._Height;
- const unsigned nChannels = _headerInfo._Channels;
- const unsigned depth = _headerInfo._BitsPerChannel;
- const unsigned bytes = (depth == 1) ? 1 : depth / 8;
-
- // channel(plane) line (BYTE aligned)
- const unsigned lineSize = (_headerInfo._BitsPerChannel == 1) ? (nWidth + 7) / 8 : nWidth * bytes;
-
- if(nCompression == PSDP_COMPRESSION_RLE && depth > 16) {
- FreeImage_OutputMessageProc(_fi_format_id, "Unsupported RLE with depth %d", depth);
- return NULL;
- }
-
- // build output buffer
-
- FIBITMAP* bitmap = NULL;
- unsigned dstCh = 0;
-
- short mode = _headerInfo._ColourMode;
-
- if(mode == PSDP_MULTICHANNEL && nChannels < 3) {
- // CM
- mode = PSDP_GRAYSCALE; // C as gray, M as extra channel
- }
-
- bool needPalette = false;
- switch (mode) {
- case PSDP_BITMAP:
- case PSDP_DUOTONE:
- case PSDP_INDEXED:
- case PSDP_GRAYSCALE:
- dstCh = 1;
- switch(depth) {
- case 16:
- bitmap = FreeImage_AllocateHeaderT(header_only, FIT_UINT16, nWidth, nHeight, depth*dstCh);
- break;
- case 32:
- bitmap = FreeImage_AllocateHeaderT(header_only, FIT_FLOAT, nWidth, nHeight, depth*dstCh);
- break;
- default: // 1-, 8-
- needPalette = true;
- bitmap = FreeImage_AllocateHeader(header_only, nWidth, nHeight, depth*dstCh);
- break;
- }
- break;
- case PSDP_RGB:
- case PSDP_LAB:
- case PSDP_CMYK :
- case PSDP_MULTICHANNEL :
- // force PSDP_MULTICHANNEL CMY as CMYK
- dstCh = (mode == PSDP_MULTICHANNEL && !header_only) ? 4 : MIN<unsigned>(nChannels, 4);
- if(dstCh < 3) {
- throw "Invalid number of channels";
- }
-
- switch(depth) {
- case 16:
- bitmap = FreeImage_AllocateHeaderT(header_only, dstCh < 4 ? FIT_RGB16 : FIT_RGBA16, nWidth, nHeight, depth*dstCh);
- break;
- case 32:
- bitmap = FreeImage_AllocateHeaderT(header_only, dstCh < 4 ? FIT_RGBF : FIT_RGBAF, nWidth, nHeight, depth*dstCh);
- break;
- default:
- bitmap = FreeImage_AllocateHeader(header_only, nWidth, nHeight, depth*dstCh);
- break;
- }
- break;
- default:
- throw "Unsupported color mode";
- break;
- }
- if(!bitmap) {
- throw FI_MSG_ERROR_DIB_MEMORY;
- }
-
- // write thumbnail
- FreeImage_SetThumbnail(bitmap, _thumbnail.getDib());
-
- // @todo Add some metadata model
-
- if(header_only) {
- return bitmap;
- }
-
- // Load pixels data
-
- const unsigned dstChannels = dstCh;
-
- const unsigned dstBpp = (depth == 1) ? 1 : FreeImage_GetBPP(bitmap)/8;
- const unsigned dstLineSize = FreeImage_GetPitch(bitmap);
- BYTE* const dst_first_line = FreeImage_GetScanLine(bitmap, nHeight - 1);//<*** flipped
-
- BYTE* line_start = new BYTE[lineSize]; //< fileline cache
-
- switch ( nCompression ) {
- case PSDP_COMPRESSION_NONE: // raw data
- {
- for(unsigned c = 0; c < nChannels; c++) {
- if(c >= dstChannels) {
- // @todo write extra channels
- break;
- }
-
- const unsigned channelOffset = c * bytes;
-
- BYTE* dst_line_start = dst_first_line;
- for(unsigned h = 0; h < nHeight; ++h, dst_line_start -= dstLineSize) {//<*** flipped
-
- io->read_proc(line_start, lineSize, 1, handle);
-
- for (BYTE *line = line_start, *dst_line = dst_line_start; line < line_start + lineSize;
- line += bytes, dst_line += dstBpp) {
-#ifdef FREEIMAGE_BIGENDIAN
- memcpy(dst_line + channelOffset, line, bytes);
-#else
- // reverse copy bytes
- for (unsigned b = 0; b < bytes; ++b) {
- dst_line[channelOffset + b] = line[(bytes-1) - b];
- }
-#endif // FREEIMAGE_BIGENDIAN
- }
- } //< h
- }//< ch
-
- SAFE_DELETE_ARRAY(line_start);
-
- }
- break;
-
- case PSDP_COMPRESSION_RLE: // RLE compression
- {
-
- // The RLE-compressed data is preceeded by a 2-byte line size for each row in the data,
- // store an array of these
-
- // later use this array as WORD rleLineSizeList[nChannels][nHeight];
- WORD *rleLineSizeList = new (std::nothrow) WORD[nChannels*nHeight];
-
- if(!rleLineSizeList) {
- FreeImage_Unload(bitmap);
- SAFE_DELETE_ARRAY(line_start);
- throw std::bad_alloc();
- }
-
- io->read_proc(rleLineSizeList, 2, nChannels * nHeight, handle);
-
- WORD largestRLELine = 0;
- for(unsigned ch = 0; ch < nChannels; ++ch) {
- for(unsigned h = 0; h < nHeight; ++h) {
- const unsigned index = ch * nHeight + h;
-
-#ifndef FREEIMAGE_BIGENDIAN
- SwapShort(&rleLineSizeList[index]);
-#endif
- if(largestRLELine < rleLineSizeList[index]) {
- largestRLELine = rleLineSizeList[index];
- }
- }
- }
-
- BYTE* rle_line_start = new (std::nothrow) BYTE[largestRLELine];
- if(!rle_line_start) {
- FreeImage_Unload(bitmap);
- SAFE_DELETE_ARRAY(line_start);
- SAFE_DELETE_ARRAY(rleLineSizeList);
- throw std::bad_alloc();
- }
-
- // Read the RLE data (assume 8-bit)
-
- const BYTE* const line_end = line_start + lineSize;
-
- for (unsigned ch = 0; ch < nChannels; ch++) {
- const unsigned channelOffset = ch * bytes;
-
- BYTE* dst_line_start = dst_first_line;
- for(unsigned h = 0; h < nHeight; ++h, dst_line_start -= dstLineSize) {//<*** flipped
- const unsigned index = ch * nHeight + h;
-
- // - read and uncompress line -
-
- const WORD rleLineSize = rleLineSizeList[index];
-
- io->read_proc(rle_line_start, rleLineSize, 1, handle);
-
- for (BYTE* rle_line = rle_line_start, *line = line_start;
- rle_line < rle_line_start + rleLineSize, line < line_end;) {
-
- int len = *rle_line++;
-
- // NOTE len is signed byte in PackBits RLE
-
- if ( len < 128 ) { //<- MSB is not set
- // uncompressed packet
-
- // (len + 1) bytes of data are copied
-
- ++len;
-
- // assert we don't write beyound eol
- memcpy(line, rle_line, line + len > line_end ? line_end - line : len);
- line += len;
- rle_line += len;
- }
- else if ( len > 128 ) { //< MSB is set
-
- // RLE compressed packet
-
- // One byte of data is repeated (–len + 1) times
-
- len ^= 0xFF; // same as (-len + 1) & 0xFF
- len += 2; //
-
- // assert we don't write beyound eol
- memset(line, *rle_line++, line + len > line_end ? line_end - line : len);
- line += len;
-
- }
- else if ( 128 == len ) {
- // Do nothing
- }
- }//< rle_line
-
- // - write line to destination -
-
- if(ch >= dstChannels) {
- // @todo write to extra channels
- break;
- }
-
- // byte by byte copy a single channel to pixel
- for (BYTE *line = line_start, *dst_line = dst_line_start; line < line_start + lineSize;
- line += bytes, dst_line += dstBpp) {
-
-#ifdef FREEIMAGE_BIGENDIAN
- memcpy(dst_line + channelOffset, line, bytes);
-#else
- // reverse copy bytes
- for (unsigned b = 0; b < bytes; ++b) {
- dst_line[channelOffset + b] = line[(bytes-1) - b];
- }
-#endif // FREEIMAGE_BIGENDIAN
- }
- }//< h
- }//< ch
-
- SAFE_DELETE_ARRAY(line_start);
- SAFE_DELETE_ARRAY(rleLineSizeList);
- SAFE_DELETE_ARRAY(rle_line_start);
- }
- break;
-
- case 2: // ZIP without prediction, no specification
- break;
-
- case 3: // ZIP with prediction, no specification
- break;
-
- default: // Unknown format
- break;
-
- }
-
- // --- Further process the bitmap ---
-
- if((mode == PSDP_CMYK || mode == PSDP_MULTICHANNEL)) {
- // CMYK values are "inverted", invert them back
-
- if(mode == PSDP_MULTICHANNEL) {
- invertColor(bitmap);
- } else {
- FreeImage_Invert(bitmap);
- }
-
- if((_fi_flags & PSD_CMYK) == PSD_CMYK) {
- // keep as CMYK
-
- if(mode == PSDP_MULTICHANNEL) {
- //### we force CMY to be CMYK, but CMY has no ICC.
- // Create empty profile and add the flag.
- FreeImage_CreateICCProfile(bitmap, NULL, 0);
- FreeImage_GetICCProfile(bitmap)->flags |= FIICC_COLOR_IS_CMYK;
- }
- }
- else {
- // convert to RGB
-
- ConvertCMYKtoRGBA(bitmap);
-
- // The ICC Profile is no longer valid
- _iccProfile.clear();
-
- // remove the pending A if not present in source
- if(nChannels == 4 || nChannels == 3 ) {
- FIBITMAP* t = RemoveAlphaChannel(bitmap);
- if(t) {
- FreeImage_Unload(bitmap);
- bitmap = t;
- } // else: silently fail
- }
- }
- }
- else if ( mode == PSDP_LAB && !((_fi_flags & PSD_LAB) == PSD_LAB)) {
- ConvertLABtoRGB(bitmap);
- }
- else {
- if (needPalette && FreeImage_GetPalette(bitmap)) {
-
- if(mode == PSDP_BITMAP) {
- CREATE_GREYSCALE_PALETTE_REVERSE(FreeImage_GetPalette(bitmap), 2);
- }
- else if(mode == PSDP_INDEXED) {
- if(!_colourModeData._plColourData || _colourModeData._Length != 768 || _ColourCount < 0) {
- FreeImage_OutputMessageProc(_fi_format_id, "Indexed image has no palette. Using the default grayscale one.");
- } else {
- _colourModeData.FillPalette(bitmap);
- }
- }
- // GRAYSCALE, DUOTONE - use default grayscale palette
- }
-
-#if FREEIMAGE_COLORORDER == FREEIMAGE_COLORORDER_BGR
- if(FreeImage_GetImageType(bitmap) == FIT_BITMAP) {
- SwapRedBlue32(bitmap);
- }
-#endif
- }
-
- return bitmap;
-}
-
-FIBITMAP* psdParser::Load(FreeImageIO *io, fi_handle handle, int s_format_id, int flags) {
- FIBITMAP *Bitmap = NULL;
-
- _fi_flags = flags;
- _fi_format_id = s_format_id;
-
- try {
- if (NULL == handle) {
- throw("Cannot open file");
- }
-
- if (!_headerInfo.Read(io, handle)) {
- throw("Error in header");
- }
-
- if (!_colourModeData.Read(io, handle)) {
- throw("Error in ColourMode Data");
- }
-
- if (!ReadImageResources(io, handle)) {
- throw("Error in Image Resource");
- }
-
- if (!ReadLayerAndMaskInfoSection(io, handle)) {
- throw("Error in Mask Info");
- }
-
- Bitmap = ReadImageData(io, handle);
- if (NULL == Bitmap) {
- throw("Error in Image Data");
- }
-
- // set resolution info
- if(NULL != Bitmap) {
- unsigned res_x = 2835; // 72 dpi
- unsigned res_y = 2835; // 72 dpi
- if (_bResolutionInfoFilled) {
- _resolutionInfo.GetResolutionInfo(res_x, res_y);
- }
- FreeImage_SetDotsPerMeterX(Bitmap, res_x);
- FreeImage_SetDotsPerMeterY(Bitmap, res_y);
- }
-
- // set ICC profile
- if(NULL != _iccProfile._ProfileData) {
- FreeImage_CreateICCProfile(Bitmap, _iccProfile._ProfileData, _iccProfile._ProfileSize);
- if ((flags & PSD_CMYK) == PSD_CMYK) {
- FreeImage_GetICCProfile(Bitmap)->flags |= FIICC_COLOR_IS_CMYK;
- }
- }
-
- } catch(const char *text) {
- FreeImage_OutputMessageProc(s_format_id, text);
- }
- catch(const std::exception& e) {
- FreeImage_OutputMessageProc(s_format_id, "%s", e.what());
- }
-
- return Bitmap;
-}
|