475 lines
17 KiB
C++
475 lines
17 KiB
C++
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//
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// saveimag.cpp
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//
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// implementation of saving a file to disk via an installed graphic filter
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//
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#include "stdafx.h"
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#include "pbrush.h"
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#include "pbrusdoc.h"
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#include "bmobject.h"
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#include "imgwnd.h"
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#include "imgsuprt.h"
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#include "loadimag.h"
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#include "saveimag.h"
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#include "bmpstrm.h"
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#include "imaging.h"
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#include <atlbase.h>
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#ifdef _X86_
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#define _USE_IFL_API
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#endif
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extern BOOL GetHandlerForFile(BOOL bImport,LPCSTR szFile,
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LPSTR szHandler,
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UINT cb); // defined in loadimag.cpp
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inline RGBTRIPLE GetPalEntry(LPVOID lpPal3, BYTE index)
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{
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RGBTRIPLE rgb;
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rgb.rgbtRed = ((RGBTRIPLE *)lpPal3 + index)->rgbtRed;
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rgb.rgbtGreen = ((RGBTRIPLE *)lpPal3 + index)->rgbtGreen;
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rgb.rgbtBlue = ((RGBTRIPLE *)lpPal3 + index)->rgbtBlue;
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return rgb;
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}
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inline void ConvertPalette(int bitCount, LPBYTE lpBuf, int width)
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{
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int j;
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switch (bitCount)
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{
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case 4:
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for (j=0; j<width; j++)
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{
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*(lpBuf+(width-1-j)*2+1) = (*(lpBuf+width-1-j) & 0x0f);
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*(lpBuf+(width-1-j)*2) = (*(lpBuf+width-1-j) & 0xf0) >> 4;
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}
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break;
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case 1:
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for (j=0; j<width; j++)
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{
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*(lpBuf+(width-1-j)*8+7) = (*(lpBuf+width-1-j) & 0x1);
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*(lpBuf+(width-1-j)*8+6) = (*(lpBuf+width-1-j) & 0x2) >> 1;
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*(lpBuf+(width-1-j)*8+5) = (*(lpBuf+width-1-j) & 0x4) >> 2;
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*(lpBuf+(width-1-j)*8+4) = (*(lpBuf+width-1-j) & 0x8) >> 3;
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*(lpBuf+(width-1-j)*8+3) = (*(lpBuf+width-1-j) & 0x10) >> 4;
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*(lpBuf+(width-1-j)*8+2) = (*(lpBuf+width-1-j) & 0x20) >> 5;
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*(lpBuf+(width-1-j)*8+1) = (*(lpBuf+width-1-j) & 0x40) >> 6;
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*(lpBuf+(width-1-j)*8) = (*(lpBuf+width-1-j) & 0x80) >> 7;
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}
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break;
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default:
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// impossible!!!
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break;
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}
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}
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inline BYTE SearchPalette(COLORREF crColor, LPVOID lpPal3)
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{
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BYTE byRed = GetRValue( crTrans );
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BYTE byGreen = GetGValue( crTrans );
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BYTE byBlue = GetBValue( crTrans );
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for (int i = 0; i < MAX_PALETTE_COLORS; i++)
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{
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// note that we have to switch the colors back before
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// attempting to compare them!!
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if (byRed == ((RGBTRIPLE *)lpPal3 + i)->rgbtBlue &&
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byGreen == ((RGBTRIPLE *)lpPal3 + i)->rgbtGreen &&
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byBlue == ((RGBTRIPLE *)lpPal3 + i)->rgbtRed)
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return (BYTE)i;
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}
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// shouldn't reach here!!
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// (the color being searched must be in the palette)
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return 0;
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}
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BOOL SaveDIBToFileA( LPCSTR szFileName,
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REFGUID guidFormatID,
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CBitmapObj* pBitmap )
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{
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IFLTYPE iflType;
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if (guidFormatID == WiaImgFmt_GIF)
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{
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iflType = IFLT_GIF;
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}
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else if (guidFormatID == WiaImgFmt_BMP)
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{
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iflType = IFLT_BMP;
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}
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else if (guidFormatID == WiaImgFmt_JPEG)
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{
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iflType = IFLT_JPEG;
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}
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else if (guidFormatID == WiaImgFmt_TIFF)
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{
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iflType = IFLT_TIFF;
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}
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else if (guidFormatID == WiaImgFmt_PNG)
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{
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iflType = IFLT_PNG;
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}
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else if (guidFormatID == WiaImgFmt_PHOTOCD)
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{
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iflType = IFLT_PCD;
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}
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else
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{
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return FALSE;
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}
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#ifdef _USE_IFL_API
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LPBITMAPINFOHEADER lpDib = (LPBITMAPINFOHEADER) GlobalLock(pBitmap->m_hThing);
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IFLCLASS iflClass = (lpDib->biBitCount == 24) ? IFLCL_RGB : IFLCL_PALETTE;
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int iBPS = 8; // bits per sample
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if (iflType == IFLT_JPEG)
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// force it to be RGB type, otherwise the JPEG filter won't take it
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iflClass = IFLCL_RGB;
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if (iflType == IFLT_GIF && iflClass == IFLCL_RGB)
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{
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GlobalUnlock(pBitmap->m_hThing);
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// force it to be PALETTE type, otherwise the GIF filter won't take it
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iflClass = IFLCL_PALETTE;
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// Now convert the image from RGB to palette-based. Note that
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// the call to DibFromBitmap() will allocate new memory!!
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DWORD dwSize;
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lpDib = (LPBITMAPINFOHEADER) DibFromBitmap(
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pBitmap->m_pImg->hBitmap, BI_RGB, (WORD) iBPS,
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pBitmap->m_pImg->m_pPalette, NULL, dwSize,
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pBitmap->m_pImg->cXPelsPerMeter, pBitmap->m_pImg->cYPelsPerMeter);
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if (lpDib == NULL)
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return FALSE; // memory allocation failed
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// now replace the original
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pBitmap->Free();
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pBitmap->m_hThing = lpDib;
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pBitmap->m_lMemSize = dwSize;
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lpDib = (LPBITMAPINFOHEADER) GlobalLock(pBitmap->m_hThing);
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}
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IFLCOMPRESSION iflCompression = IFLCOMP_DEFAULT; // or IFLCOMP_NONE ???
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IFLHANDLE iflHandle = iflCreateWriteHandle(lpDib->biWidth, lpDib->biHeight,
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iflClass, iBPS, iflCompression, iflType);
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if (iflHandle == NULL)
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{
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GlobalUnlock(pBitmap->m_hThing);
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return FALSE;
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}
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IFLERROR iflErr = iflOpen(iflHandle, (LPSTR)szFileName, IFLM_WRITE);
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if (iflErr != IFLERR_NONE)
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{
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iflFreeHandle(iflHandle);
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GlobalUnlock(pBitmap->m_hThing);
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return FALSE;
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}
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LPBITMAPINFOHEADER lpHdr = lpDib;
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DWORD dwHdrLen = lpHdr->biSize + PaletteSize((LPSTR)lpHdr);
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LPBYTE hp = ((LPBYTE)lpDib) + dwHdrLen;
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int iOutWidth = (lpDib->biBitCount == 24) ?
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lpDib->biWidth*3 :
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lpDib->biWidth*24/lpDib->biBitCount;
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LPBYTE lpBuf = new BYTE[iOutWidth];
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int i, j, k;
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BYTE byTemp;
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BOOL fFound;
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// convert from pixels to bytes after rounding it up first
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DWORD dwWidthInBytes = ((lpDib->biWidth * lpDib->biBitCount + 31) &~31) /8;
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if (iflClass == IFLCL_RGB)
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{
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// set the transparent color on demand and only if it's been set
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if (g_bUseTrans && crTrans != TRANS_COLOR_NONE) // not default
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{
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IFLCOLOR iflTransColor;
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iflTransColor.wRed = GetRValue( crTrans );
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iflTransColor.wGreen = GetGValue( crTrans );
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iflTransColor.wBlue = GetBValue( crTrans );
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// ignore any error return (if a format doesn't support
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// transparent color, so be it)
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iflControl(iflHandle, IFLCMD_TRANS_RGB, 0, 0, &iflTransColor);
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}
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if (lpDib->biBitCount == 24)
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{
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// we already have a RGB image, so just copy it out
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LPBYTE lpBMP = hp + lpDib->biSizeImage - dwWidthInBytes;
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for (i = 0;
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i < abs(lpDib->biHeight);
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lpBMP-=dwWidthInBytes, i++)
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{
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memcpy(lpBuf, lpBMP, iOutWidth);
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// need to swap RED with BLUE for export
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for (j = 0; j < iOutWidth; j+=3)
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{
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byTemp = *(lpBuf+j);
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*(lpBuf+j) = *(lpBuf+j+2);
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*(lpBuf+j+2) = byTemp;
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}
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// write out one line at a time
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iflWrite(iflHandle, lpBuf, 1);
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}
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}
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else
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{
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// need to convert from palatte color
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RGBTRIPLE Pal3[MAX_PALETTE_COLORS];
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memset(Pal3, 255, MAX_PALETTE_COLORS*sizeof(RGBTRIPLE));
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LPRGBQUAD lpPal4 = (LPRGBQUAD)((LPBYTE)lpDib + lpDib->biSize);
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for (i = 0; i < MAX_PALETTE_COLORS; i++)
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{
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Pal3[i].rgbtRed = (lpPal4+i)->rgbBlue;
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Pal3[i].rgbtGreen = (lpPal4+i)->rgbGreen;
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Pal3[i].rgbtBlue = (lpPal4+i)->rgbRed;
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}
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LPBYTE lpBMP = hp + lpDib->biSizeImage - dwWidthInBytes;
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for (i = 0;
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i < abs(lpDib->biHeight);
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lpBMP-=dwWidthInBytes, i++)
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{
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memcpy(lpBuf, lpBMP, lpDib->biWidth);
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if (lpDib->biBitCount != 8)
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ConvertPalette(lpDib->biBitCount, lpBuf, lpDib->biWidth);
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for (j = 0; j < lpDib->biWidth; j++)
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{
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((RGBTRIPLE *)(lpBuf+(lpDib->biWidth-j-1)*3))->rgbtRed =
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GetPalEntry(&Pal3, *(lpBuf+lpDib->biWidth-j-1)).rgbtRed;
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((RGBTRIPLE *)(lpBuf+(lpDib->biWidth-j-1)*3))->rgbtGreen =
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GetPalEntry(&Pal3, *(lpBuf+lpDib->biWidth-j-1)).rgbtGreen;
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((RGBTRIPLE *)(lpBuf+(lpDib->biWidth-j-1)*3))->rgbtBlue =
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GetPalEntry(&Pal3, *(lpBuf+lpDib->biWidth-j-1)).rgbtBlue;
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}
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// write out one line at a time
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iflWrite(iflHandle, lpBuf, 1);
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}
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}
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}
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else if (iflClass == IFLCL_PALETTE)
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{
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// first, get the color palette straight...
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RGBTRIPLE Pal3[MAX_PALETTE_COLORS];
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memset(Pal3, 255, MAX_PALETTE_COLORS*sizeof(RGBTRIPLE));
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if (PaletteSize((LPSTR)lpDib) != 0)
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{
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// we have one available, so just copy it out...
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// but not before we swap the RGB values first
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LPRGBQUAD lpPal4 = (LPRGBQUAD)((LPBYTE)lpDib + lpDib->biSize);
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for (i = 0; i < MAX_PALETTE_COLORS; i++)
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{
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Pal3[i].rgbtRed = (lpPal4+i)->rgbBlue;
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Pal3[i].rgbtGreen = (lpPal4+i)->rgbGreen;
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Pal3[i].rgbtBlue = (lpPal4+i)->rgbRed;
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}
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iflControl(iflHandle, IFLCMD_PALETTE, 0, 0, &Pal3);
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if (g_bUseTrans)
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{
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BYTE byTransIdx = SearchPalette(crTrans, &Pal3);
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iflControl(iflHandle, IFLCMD_TRANS_IDX, 0, 0, &byTransIdx);
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}
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LPBYTE lpBMP = hp + lpDib->biSizeImage - dwWidthInBytes;
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for (i = 0;
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i < abs(lpDib->biHeight);
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lpBMP-=dwWidthInBytes, i++)
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{
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memcpy(lpBuf, lpBMP, lpDib->biWidth);
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if (lpDib->biBitCount != 8)
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ConvertPalette(lpDib->biBitCount, lpBuf, lpDib->biWidth);
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// write out one line at a time
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iflWrite(iflHandle, lpBuf, 1);
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}
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}
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else
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{
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// we have to create our own palette...
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for (i = 0, k = 0; i < (int)lpDib->biSizeImage; i+=3)
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{
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fFound = FALSE;
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for (j = 0; j < MAX_PALETTE_COLORS; j++)
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if (Pal3[j].rgbtRed == ((RGBTRIPLE *)(hp+i))->rgbtRed &&
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Pal3[j].rgbtGreen == ((RGBTRIPLE *)(hp+i))->rgbtGreen &&
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Pal3[j].rgbtBlue == ((RGBTRIPLE *)(hp+i))->rgbtBlue)
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{
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fFound = TRUE;
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break;
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}
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if (!fFound && k < MAX_PALETTE_COLORS)
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{
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Pal3[k].rgbtRed = ((RGBTRIPLE *)(hp+i))->rgbtRed;
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Pal3[k].rgbtGreen = ((RGBTRIPLE *)(hp+i))->rgbtGreen;
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Pal3[k].rgbtBlue = ((RGBTRIPLE *)(hp+i))->rgbtBlue;
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k++;
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}
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if (k >= MAX_PALETTE_COLORS)
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// we have already filled every palette entry
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break;
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}
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iflControl(iflHandle, IFLCMD_PALETTE, 0, 0, &Pal3);
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LPBYTE lpBMP = hp + lpDib->biSizeImage - dwWidthInBytes;
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for (i = 0;
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i < abs(lpDib->biHeight);
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lpBMP-=dwWidthInBytes, i++)
|
||
|
|
{
|
||
|
|
memcpy(lpBuf, lpBMP, lpDib->biWidth);
|
||
|
|
|
||
|
|
for (j = 0; j < lpDib->biWidth; j+=3)
|
||
|
|
{
|
||
|
|
fFound = FALSE;
|
||
|
|
for (k = 0; k < MAX_PALETTE_COLORS; k++)
|
||
|
|
{
|
||
|
|
if (*(lpBuf+j) == Pal3[k].rgbtRed &&
|
||
|
|
*(lpBuf+j+1) == Pal3[k].rgbtGreen &&
|
||
|
|
*(lpBuf+j+2) == Pal3[k].rgbtBlue)
|
||
|
|
{
|
||
|
|
fFound = TRUE;
|
||
|
|
*(lpBuf+j/3) = (BYTE) k;
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// if (!fFound)
|
||
|
|
// *(lpBuf+j/3) = 255;
|
||
|
|
}
|
||
|
|
|
||
|
|
// write out one line at a time
|
||
|
|
iflWrite(iflHandle, lpBuf, 1);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else
|
||
|
|
; // currently not supported
|
||
|
|
|
||
|
|
delete [] lpBuf;
|
||
|
|
|
||
|
|
iflClose(iflHandle);
|
||
|
|
iflFreeHandle(iflHandle);
|
||
|
|
|
||
|
|
GlobalUnlock(pBitmap->m_hThing);
|
||
|
|
|
||
|
|
// now update the image by loading the file just exported
|
||
|
|
USES_CONVERSION;
|
||
|
|
|
||
|
|
HGLOBAL hNewDib = LoadDIBFromFile(A2CT(szFileName), &theApp.m_guidFltTypeUsed);
|
||
|
|
pBitmap->ReadResource(hNewDib);
|
||
|
|
|
||
|
|
theApp.m_sCurFile = szFileName;
|
||
|
|
return TRUE;
|
||
|
|
#endif // _USE_IFL_API
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL SaveDIBGdiplus(LPCTSTR szFileName, REFGUID guidFormatID, CBitmapObj* pBitmap)
|
||
|
|
{
|
||
|
|
// find a suitable export filter
|
||
|
|
|
||
|
|
CLSID ClsidEncoder;
|
||
|
|
|
||
|
|
if (GetClsidOfEncoder(guidFormatID, &ClsidEncoder))
|
||
|
|
{
|
||
|
|
// create a stream that emulates a bmp file
|
||
|
|
|
||
|
|
CComPtr<CBmpStream> pStream;
|
||
|
|
|
||
|
|
if (CBmpStream::Create(&pStream) == S_OK)
|
||
|
|
{
|
||
|
|
pStream->SetBuffer(pBitmap->m_hThing, pBitmap->m_lMemSize, pBitmap->m_dwOffBits);
|
||
|
|
|
||
|
|
// create the GDI+ object
|
||
|
|
|
||
|
|
Gdiplus::Bitmap image(pStream);
|
||
|
|
|
||
|
|
if (image.GetLastStatus() == Gdiplus::Ok)
|
||
|
|
{
|
||
|
|
// let GDI+ export the file
|
||
|
|
|
||
|
|
USES_CONVERSION;
|
||
|
|
|
||
|
|
if (image.Save(T2CW(szFileName), &ClsidEncoder, 0) == Gdiplus::Ok)
|
||
|
|
{
|
||
|
|
// now update the image by loading the file just exported
|
||
|
|
|
||
|
|
HGLOBAL hNewDib = LoadDIBFromFile(szFileName, &theApp.m_guidFltTypeUsed);
|
||
|
|
|
||
|
|
pBitmap->ReadResource(hNewDib);
|
||
|
|
|
||
|
|
theApp.m_sCurFile = szFileName;
|
||
|
|
|
||
|
|
return TRUE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
BOOL SaveDIBToFile(LPCTSTR szFileName, REFGUID guidFormatID, CBitmapObj* pBitmap)
|
||
|
|
{
|
||
|
|
// Try GDI+ filters first. If it fails to convert the image or
|
||
|
|
// if it's not available, try the old method
|
||
|
|
|
||
|
|
BOOL bResult = FALSE;
|
||
|
|
|
||
|
|
if (theApp.GdiplusInit.StartupStatus == Gdiplus::Ok)
|
||
|
|
{
|
||
|
|
__try
|
||
|
|
{
|
||
|
|
bResult = SaveDIBGdiplus(szFileName, guidFormatID, pBitmap);
|
||
|
|
}
|
||
|
|
__except(EXCEPTION_EXECUTE_HANDLER)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!bResult)
|
||
|
|
{
|
||
|
|
USES_CONVERSION;
|
||
|
|
|
||
|
|
bResult = SaveDIBToFileA(T2CA(szFileName), guidFormatID, pBitmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
return bResult;
|
||
|
|
}
|