diff -r 000000000000 -r 5d03bc08d59c graphicstools/gdi_tools/bmconv/BMTOPBM.CPP --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/graphicstools/gdi_tools/bmconv/BMTOPBM.CPP Tue Feb 02 01:47:50 2010 +0200 @@ -0,0 +1,442 @@ +// Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). +// All rights reserved. +// This component and the accompanying materials are made available +// under the terms of "Eclipse Public License v1.0" +// which accompanies this distribution, and is available +// at the URL "http://www.eclipse.org/legal/epl-v10.html". +// +// Initial Contributors: +// Nokia Corporation - initial contribution. +// +// Contributors: +// +// Description: +// + +#include "BMCONV.H" + +BitmapLoader::BitmapLoader(): + iNumBmpColors(0), + iBmpColors(NULL), + iBmpBits(NULL), + iAlphaBits(NULL) + {} + +BitmapLoader::~BitmapLoader() + { + delete [] iBmpColors; + delete [] iBmpBits; + delete [] iAlphaBits; + } + +int BitmapLoader::LoadBitmap(char* aFileName,int aBpp,TBitmapColor aColor,SEpocBitmapHeader*& aPbm) + { + char sig[2]; + +#if defined(__MSVCDOTNET__) || defined(__LINUX__) || defined(__TOOLS2__) + fstream file(aFileName, ios::in | ios::binary); +#else //!__MSVCDOTNET__ + fstream file(aFileName, ios::in | ios::binary | ios::nocreate); +#endif //__MSVCDOTNET__ + + if (file.is_open()==0) + return Files; + file.read(sig,2); + file.close(); + if (file.gcount()!=2) + return SourceFile ; + if (sig[0]!='B'||sig[1]!='M') + return SourceFile; + + int ret = DoLoad(aFileName); + if (!ret && aColor==EColorBitmapAlpha) + { + int fileNameLen = strlen(aFileName); + char* alphaFileName = new char[fileNameLen + 7];// -alpha suffix is 6 chars, plus NUL termination + if (alphaFileName == NULL) + return NoMemory; + int dotPos = -1; + for (int i = 0; i < fileNameLen; ++i) + if (aFileName[i]=='.') + dotPos=i; + int prefixLen = (dotPos>=0?dotPos:fileNameLen); + memcpy(alphaFileName,aFileName,prefixLen); + const char* suffix = "-alpha"; + memcpy(alphaFileName+prefixLen,suffix,6); + if (dotPos>=0) + memcpy(alphaFileName+prefixLen+6,aFileName+dotPos,fileNameLen-dotPos); + *(alphaFileName + fileNameLen + 6) = '\0'; + ret = DoLoadAlpha(alphaFileName); // overlay alpha data from separate file + delete [] alphaFileName; + } + if (!ret) + ret = DoConvert(aBpp,aColor,aPbm); + return ret; + } + +int BitmapLoader::DoLoad(char* aFileName) + { +#if defined(__MSVCDOTNET__) || defined(__TOOLS2__) + fstream file(aFileName, ios::in | ios::binary); +#else //!__MSVCDOTNET__ + fstream file(aFileName, ios::in | ios::binary | ios::nocreate); +#endif //__MSVCDOTNET__ + if (file.is_open()==0) + return Files; + TBitmapFileHeader bmpfile; + long size=sizeof(TBitmapFileHeader); + file.read((char *)&bmpfile,size); + if (file.gcount()!=size) + return SourceFile; + size=sizeof(TBitmapInfoHeader); + file.read((char *)&iBmpHeader,size); + if (file.gcount()!=size) + return SourceFile; + if (iBmpHeader.biCompression != 0) + return UnknownCompression; + size=bmpfile.bfSize-sizeof(TBitmapInfoHeader)-sizeof(TBitmapFileHeader); + long bitcount=iBmpHeader.biBitCount; + long colors=iBmpHeader.biClrUsed; + if (colors==0) + { + if (bitcount==24) + iNumBmpColors=0; + else if (bitcount==32) + iNumBmpColors=0;//See MSDN - BITMAPFILEHEADER and BITMAPINFOHEADER structures. + //If biCompression is 0 - we don't have TRgbQuad array! + else + iNumBmpColors=1< 256) + return SourceFile; + if (iNumBmpColors>0) + { + iBmpColors = new TRgbQuad[iNumBmpColors]; + if (iBmpColors == NULL) + return NoMemory; + memset(iBmpColors,0,iNumBmpColors*sizeof(TRgbQuad)); + } + size-=iNumBmpColors*sizeof(TRgbQuad); + iBmpBits = new char[size]; + if (iBmpBits == NULL) + return NoMemory; + memset(iBmpBits,0xff,size); + // DEF102183: Graphics tools fail to run after building with MS VC8. + if(iBmpColors != NULL) + { + file.read((char *)iBmpColors,iNumBmpColors*sizeof(TRgbQuad)); + if (file.gcount()!=(int)(iNumBmpColors*sizeof(TRgbQuad))) + return SourceFile; + } + file.read(iBmpBits,size); + file.close(); + if (file.gcount()!=size) + return SourceFile; + return NoError; + } + +int BitmapLoader::DoLoadAlpha(char* aAlphaFileName) + { +#if defined(__MSVCDOTNET__) || defined(__TOOLS2__) + fstream file(aAlphaFileName, ios::in | ios::binary); +#else //!__MSVCDOTNET__ + fstream file(aAlphaFileName, ios::in | ios::binary | ios::nocreate); +#endif //__MSVCDOTNET__ + if (file.is_open()==0) + return AlphaFiles; + TBitmapFileHeader alphaBmpfile; + long size=sizeof(TBitmapFileHeader); + file.read((char *)&alphaBmpfile,size); + if (file.gcount()!=size) + return SourceFile; + size=sizeof(TBitmapInfoHeader); + TBitmapInfoHeader alphaBmpInfo; + file.read((char *)&alphaBmpInfo,size); + if (file.gcount()!=size) + return SourceFile; + if (alphaBmpInfo.biCompression != 0) + return UnknownCompression; + if (alphaBmpInfo.biWidth != iBmpHeader.biWidth || alphaBmpInfo.biHeight != iBmpHeader.biHeight) + return AlphaDimensions; + if (alphaBmpInfo.biBitCount != 8) + return AlphaBpp; + size=alphaBmpfile.bfSize-sizeof(TBitmapInfoHeader)-sizeof(TBitmapFileHeader); + long numBmpColors=alphaBmpInfo.biClrUsed; + if (numBmpColors == 0) + numBmpColors = 256; + if (numBmpColors != 256) + return SourceFile; + size-=numBmpColors*sizeof(TRgbQuad); + iAlphaBits = new char[size]; + if (iAlphaBits == NULL) + { + return NoMemory; + } + memset(iAlphaBits,0xff,size); + char* bmpColors = new char[numBmpColors*sizeof(TRgbQuad)]; + file.read((char *)bmpColors,numBmpColors*sizeof(TRgbQuad)); + delete [] bmpColors; // we aren't interested in the palette data for the 8bpp grayscale alpha bmp + if (file.gcount()!=(int)(numBmpColors*sizeof(TRgbQuad))) + return SourceFile; + file.read(iAlphaBits,size); + file.close(); + if (file.gcount()!=size) + return SourceFile; + return NoError; + } + +TRgb BitmapLoader::GetBmpPixel(long aXCoord,long aYCoord) + { + TRgb darkgray(128,128,128); + TRgb darkgrayex(127,127,127); + TRgb lightgray(192,192,192); + TRgb lightgrayex(187,187,187); + unsigned char col; + TRgb color; + + switch(iBmpHeader.biBitCount) + { + case 1: + col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+31)>>5)<<2)+(aXCoord>>3)]; + col&=(0x80>>(aXCoord%8)); + if (iBmpColors) + { + TRgbQuad rgbq; + if (col) + rgbq = iBmpColors[1]; + else + rgbq = iBmpColors[0]; + color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); + } + else + { + if (col) + color = TRgb(0x00ffffff); + else + color = TRgb(0); + } + break; + case 4: + col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+7)>>3)<<2)+(aXCoord>>1)]; + if (aXCoord%2==0) + col=(unsigned char)(col>>4); + col&=0x0f; + if (iBmpColors) + { + TRgbQuad rgbq = iBmpColors[col]; + color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); + } + else + { + col *= 17; + color = TRgb(col,col,col); + } + break; + case 8: + col=iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth+3)&~3)+aXCoord]; + if (iBmpColors) + { + TRgbQuad rgbq = iBmpColors[col]; + color = TRgb(rgbq.iRed,rgbq.iGreen,rgbq.iBlue); + } + else + color = TRgb(col,col,col); + break; + case 16: + { + unsigned short int* wordptr = (unsigned short int*)&iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*(((iBmpHeader.biWidth+1)&~1)<<1)+(aXCoord<<1)]; + color = TRgb((*wordptr&0x7c)>>10,(*wordptr&0x3e)>>5,(*wordptr&0x1f)); + } + break; + case 24: + { + TRgbTriple rgbcol = *((TRgbTriple *)&(iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((3*iBmpHeader.biWidth+3)&~3)+aXCoord+(aXCoord<<1)])); + color = TRgb(rgbcol.rgbtRed,rgbcol.rgbtGreen,rgbcol.rgbtBlue); + } + break; + case 32: + { + unsigned long int* dwordptr = (unsigned long int*)&iBmpBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth)<<2)+(aXCoord<<2)]; + color = TRgb((*dwordptr&0xff0000)>>16,(*dwordptr&0xff00)>>8,*dwordptr&0xff); + } + break; + default: + break; + } + if (color == darkgray) + color = darkgrayex; + else if (color == lightgray) + color = lightgrayex; + return color; + } + +unsigned char BitmapLoader::GetAlphaPixel(long aXCoord,long aYCoord) + { + return iAlphaBits[(iBmpHeader.biHeight-aYCoord-1)*((iBmpHeader.biWidth+3)&~3)+aXCoord]; + } + +int BitmapLoader::DoConvert(int aBpp,TBitmapColor aColor,SEpocBitmapHeader*& aPbm) + { + bool useAlpha = (aColor==EColorBitmapAlpha || aColor==EColorBitmapAlphaPM); + long desttwipswidth = 0; + long desttwipsheight = 0; + + long bytewidth = BitmapUtils::ByteWidth(iBmpHeader.biWidth,aBpp); + long destlength = iBmpHeader.biHeight * bytewidth; + + if (iBmpHeader.biXPelsPerMeter>0) + desttwipswidth = iBmpHeader.biWidth*1440000/254/iBmpHeader.biXPelsPerMeter; + if (iBmpHeader.biYPelsPerMeter>0) + desttwipsheight = iBmpHeader.biHeight*1440000/254/iBmpHeader.biYPelsPerMeter; + + aPbm = (SEpocBitmapHeader*)new char[sizeof(SEpocBitmapHeader) + destlength]; + if (aPbm == NULL) + return NoMemory; + memset(aPbm,0,sizeof(SEpocBitmapHeader)); + + // aBitmap->iByteWidth = bytewidth; + // aBitmap->iDataOffset = sizeof(Bitmap); + + aPbm->iBitmapSize = sizeof(SEpocBitmapHeader) + destlength; + aPbm->iStructSize = sizeof(SEpocBitmapHeader); + aPbm->iWidthInPixels = iBmpHeader.biWidth; + aPbm->iHeightInPixels = iBmpHeader.biHeight; + aPbm->iWidthInTwips = desttwipswidth; + aPbm->iHeightInTwips = desttwipsheight; + aPbm->iBitsPerPixel = aBpp; + aPbm->iColor = aColor; + aPbm->iPaletteEntries = 0; + aPbm->iCompression = ENoBitmapCompression; + + char* pbmBits = ((char*)aPbm) + sizeof(SEpocBitmapHeader); + memset(pbmBits,0xff,destlength); + + long col = 0; + char* pixadd = 0; + + switch(aBpp) + { + case 1: + { + for(long ycrd=0;ycrd>3)]); + (*pixadd)&=~(1<<((xcrd&7))); + (*pixadd)|=(unsigned char)(col<<(xcrd&7)); + } + } + break; + case 2: + { + for(long ycrd=0;ycrd>2)]); + (*pixadd)&=~(0x3<<(2*(xcrd%4))); + (*pixadd)|=(unsigned char)(col<<(2*(xcrd%4))); + } + } + break; + case 4: + { + for(long ycrd=0;ycrd>1)]); + if (xcrd%2!=0) + *pixadd=(unsigned char)((unsigned char)((col<<4)|(*pixadd&0x0f))); + else + *pixadd=(unsigned char)((unsigned char)(col|(*pixadd&0xf0))); + } + } + break; + case 8: + { + for(long ycrd=0;ycrd