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/*
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* dib2sprt.c
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* Copyright (C) 2000-2003 A.J. van Os; Released under GPL
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*
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* Description:
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* Functions to translate dib pictures into sprites
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*/
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#include <stdio.h>
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#include <string.h>
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#include "DeskLib:Error.h"
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#include "DeskLib:Sprite.h"
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#include "antiword.h"
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#if 0 /* defined(DEBUG) */
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static int iPicCounter = 0;
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#endif /* DEBUG */
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/*
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* iGetByteWidth - compute the number of bytes needed for a row of pixels
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*/
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static int
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iGetByteWidth(const imagedata_type *pImg)
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{
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switch (pImg->uiBitsPerComponent) {
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case 1:
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return (pImg->iWidth + 31) / 32 * sizeof(int);
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case 4:
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return (pImg->iWidth + 7) / 8 * sizeof(int);
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case 8:
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case 24:
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return (pImg->iWidth + 3) / 4 * sizeof(int);
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default:
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DBG_DEC(pImg->uiBitsPerComponent);
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return 0;
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}
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} /* end of iGetByteWidth */
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/*
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* pCreateBlankSprite - Create a blank sprite.
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*
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* Create a blank sprite and add a palette if needed
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*
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* returns a pointer to the sprite when successful, otherwise NULL
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*/
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static sprite_areainfo *
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pCreateBlankSprite(const imagedata_type *pImg, size_t *pSize)
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{
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sprite_areainfo *pArea;
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UCHAR *pucTmp;
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size_t tSize;
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screen_modeval uMode;
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int iIndex, iPaletteEntries;
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TRACE_MSG("pCreateBlankSprite");
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fail(pImg == NULL);
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fail(pSize == NULL);
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switch (pImg->uiBitsPerComponent) {
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case 1:
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uMode.screen_mode = 18;
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iPaletteEntries = 2;
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break;
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case 4:
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uMode.screen_mode = 20;
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iPaletteEntries = 16;
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break;
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case 8:
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case 24:
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uMode.screen_mode = 21;
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iPaletteEntries = 0;
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break;
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default:
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DBG_DEC(pImg->uiBitsPerComponent);
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return NULL;
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}
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fail(iPaletteEntries < 0 || iPaletteEntries > 16);
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/* Get memory for the sprite */
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tSize = sizeof(sprite_areainfo) +
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Sprite_MemorySize(pImg->iWidth, pImg->iHeight, uMode,
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iPaletteEntries > 0 ? sprite_HASPAL : sprite_HASNOMASKPAL);
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DBG_DEC(tSize);
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pArea = xmalloc(tSize);
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/* Initialise sprite area */
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pArea->areasize = tSize;
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pArea->numsprites = 0;
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pArea->firstoffset = sizeof(sprite_areainfo);
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pArea->freeoffset = sizeof(sprite_areainfo);
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/* Create a blank sprite */
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Error_CheckFatal(Sprite_Create(pArea, "wordimage",
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iPaletteEntries > 0 ? 1 : 0,
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pImg->iWidth, pImg->iHeight, uMode));
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/* Add the palette */
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pucTmp = (UCHAR *)pArea + pArea->firstoffset + sizeof(sprite_header);
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for (iIndex = 0; iIndex < iPaletteEntries; iIndex++) {
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/* First color */
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*pucTmp++ = 0;
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*pucTmp++ = pImg->aucPalette[iIndex][0];
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*pucTmp++ = pImg->aucPalette[iIndex][1];
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*pucTmp++ = pImg->aucPalette[iIndex][2];
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/* Second color */
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*pucTmp++ = 0;
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*pucTmp++ = pImg->aucPalette[iIndex][0];
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*pucTmp++ = pImg->aucPalette[iIndex][1];
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*pucTmp++ = pImg->aucPalette[iIndex][2];
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}
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*pSize = tSize;
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return pArea;
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} /* end of pCreateBlankSprite */
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/*
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* iReduceColor - reduce from 24 bit to 8 bit color
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*
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* Reduce 24 bit true colors to RISC OS default 256 color palette
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*
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* returns the resulting color
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*/
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static int
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iReduceColor(int iRed, int iGreen, int iBlue)
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{
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int iResult;
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iResult = (iBlue & 0x80) ? 0x80 : 0;
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iResult |= (iGreen & 0x80) ? 0x40 : 0;
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iResult |= (iGreen & 0x40) ? 0x20 : 0;
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iResult |= (iRed & 0x80) ? 0x10 : 0;
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iResult |= (iBlue & 0x40) ? 0x08 : 0;
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iResult |= (iRed & 0x40) ? 0x04 : 0;
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iResult |= ((iRed | iGreen | iBlue) & 0x20) ? 0x02 : 0;
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iResult |= ((iRed | iGreen | iBlue) & 0x10) ? 0x01 : 0;
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return iResult;
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} /* end of iReduceColor */
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/*
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* vDecode1bpp - decode an uncompressed 1 bit per pixel image
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*/
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static void
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vDecode1bpp(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
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{
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int iX, iY, iByteWidth, iOffset, iTmp, iEighthWidth, iPadding;
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UCHAR ucTmp;
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DBG_MSG("vDecode1bpp");
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fail(pFile == NULL);
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fail(pucData == NULL);
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fail(pImg == NULL);
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fail(pImg->iColorsUsed < 1 || pImg->iColorsUsed > 2);
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iByteWidth = iGetByteWidth(pImg);
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iEighthWidth = (pImg->iWidth + 7) / 8;
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iPadding = ROUND4(iEighthWidth) - iEighthWidth;
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for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
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for (iX = 0; iX < iEighthWidth; iX++) {
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iTmp = iNextByte(pFile);
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if (iTmp == EOF) {
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return;
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}
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/* Reverse the bit order */
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ucTmp = (iTmp & BIT(0)) ? (UCHAR)BIT(7) : 0;
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ucTmp |= (iTmp & BIT(1)) ? (UCHAR)BIT(6) : 0;
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ucTmp |= (iTmp & BIT(2)) ? (UCHAR)BIT(5) : 0;
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ucTmp |= (iTmp & BIT(3)) ? (UCHAR)BIT(4) : 0;
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ucTmp |= (iTmp & BIT(4)) ? (UCHAR)BIT(3) : 0;
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ucTmp |= (iTmp & BIT(5)) ? (UCHAR)BIT(2) : 0;
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ucTmp |= (iTmp & BIT(6)) ? (UCHAR)BIT(1) : 0;
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ucTmp |= (iTmp & BIT(7)) ? (UCHAR)BIT(0) : 0;
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iOffset = iY * iByteWidth + iX;
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*(pucData + iOffset) = ucTmp;
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}
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(void)tSkipBytes(pFile, iPadding);
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}
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} /* end of vDecode1bpp */
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/*
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* vDecode4bpp - decode an uncompressed 4 bits per pixel image
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*/
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static void
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vDecode4bpp(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
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{
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int iX, iY, iByteWidth, iOffset, iTmp, iHalfWidth, iPadding;
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UCHAR ucTmp;
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DBG_MSG("vDecode4bpp");
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fail(pFile == NULL);
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fail(pucData == NULL);
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fail(pImg == NULL);
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fail(pImg->iColorsUsed < 1 || pImg->iColorsUsed > 16);
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iByteWidth = iGetByteWidth(pImg);
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iHalfWidth = (pImg->iWidth + 1) / 2;
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iPadding = ROUND4(iHalfWidth) - iHalfWidth;
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for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
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for (iX = 0; iX < iHalfWidth; iX++) {
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iTmp = iNextByte(pFile);
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if (iTmp == EOF) {
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return;
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}
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/* Reverse the nibble order */
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ucTmp = (iTmp & 0xf0) >> 4;
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ucTmp |= (iTmp & 0x0f) << 4;
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iOffset = iY * iByteWidth + iX;
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*(pucData + iOffset) = ucTmp;
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}
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(void)tSkipBytes(pFile, iPadding);
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}
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} /* end of vDecode4bpp */
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/*
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* vDecode8bpp - decode an uncompressed 8 bits per pixel image
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*/
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static void
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vDecode8bpp(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
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{
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int iX, iY, iByteWidth, iOffset, iIndex, iPadding;
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DBG_MSG("vDecode8bpp");
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fail(pFile == NULL);
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fail(pucData == NULL);
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fail(pImg == NULL);
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fail(pImg->iColorsUsed < 1 || pImg->iColorsUsed > 256);
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iByteWidth = iGetByteWidth(pImg);
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iPadding = ROUND4(pImg->iWidth) - pImg->iWidth;
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for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
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for (iX = 0; iX < pImg->iWidth; iX++) {
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iIndex = iNextByte(pFile);
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if (iIndex == EOF) {
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return;
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}
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iOffset = iY * iByteWidth + iX;
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*(pucData + iOffset) = iReduceColor(
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pImg->aucPalette[iIndex][0],
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pImg->aucPalette[iIndex][1],
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pImg->aucPalette[iIndex][2]);
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}
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(void)tSkipBytes(pFile, iPadding);
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}
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} /* end of vDecode8bpp */
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/*
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* vDecode24bpp - decode an uncompressed 24 bits per pixel image
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*/
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static void
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vDecode24bpp(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
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{
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int iX, iY, iTripleWidth, iByteWidth, iOffset, iPadding;
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int iRed, iGreen, iBlue;
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DBG_MSG("vDecode24bpp");
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fail(pFile == NULL);
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fail(pucData == NULL);
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fail(pImg == NULL);
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270 |
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iByteWidth = iGetByteWidth(pImg);
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iTripleWidth = pImg->iWidth * 3;
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iPadding = ROUND4(iTripleWidth) - iTripleWidth;
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275 |
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for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
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277 |
for (iX = 0; iX < pImg->iWidth; iX++) {
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278 |
iBlue = iNextByte(pFile);
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279 |
if (iBlue == EOF) {
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280 |
return;
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281 |
}
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282 |
iGreen = iNextByte(pFile);
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283 |
if (iGreen == EOF) {
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284 |
return;
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285 |
}
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286 |
iRed = iNextByte(pFile);
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287 |
if (iRed == EOF) {
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288 |
return;
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289 |
}
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iOffset = iY * iByteWidth + iX;
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*(pucData + iOffset) =
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iReduceColor(iRed, iGreen, iBlue);
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293 |
}
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(void)tSkipBytes(pFile, iPadding);
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295 |
}
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296 |
} /* end of vDecode24bpp */
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297 |
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298 |
/*
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* vDecodeRle4 - decode a RLE compressed 4 bits per pixel image
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300 |
*/
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301 |
static void
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302 |
vDecodeRle4(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
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303 |
{
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304 |
int iX, iY, iByteWidth, iOffset, iTmp, iHalfWidth;
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305 |
int iRun, iRunLength, iHalfRun;
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306 |
BOOL bEOL;
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307 |
UCHAR ucTmp;
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308 |
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309 |
DBG_MSG("vDecodeRle4");
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310 |
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311 |
fail(pFile == NULL);
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312 |
fail(pucData == NULL);
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313 |
fail(pImg == NULL);
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314 |
fail(pImg->iColorsUsed < 1 || pImg->iColorsUsed > 16);
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315 |
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316 |
DBG_DEC(pImg->iWidth);
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317 |
DBG_DEC(pImg->iHeight);
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318 |
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319 |
iByteWidth = iGetByteWidth(pImg);
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320 |
iHalfWidth = (pImg->iWidth + 1) / 2;
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321 |
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322 |
for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
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323 |
bEOL = FALSE;
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324 |
iX = 0;
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325 |
while (!bEOL) {
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326 |
iRunLength = iNextByte(pFile);
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327 |
if (iRunLength == EOF) {
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328 |
return;
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329 |
}
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330 |
if (iRunLength != 0) {
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331 |
/*
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332 |
* Encoded packet:
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333 |
* RunLength pixels, all the "same" value
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334 |
*/
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335 |
iTmp = iNextByte(pFile);
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336 |
if (iTmp == EOF) {
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337 |
return;
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338 |
}
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339 |
/* Reverse the nibble order */
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340 |
ucTmp = (iTmp & 0xf0) >> 4;
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341 |
ucTmp |= (iTmp & 0x0f) << 4;
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342 |
iHalfRun = (iRunLength + 1) / 2;
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343 |
for (iRun = 0; iRun < iHalfRun; iRun++) {
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344 |
if (iX < iHalfWidth) {
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345 |
iOffset = iY * iByteWidth + iX;
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346 |
*(pucData + iOffset) = ucTmp;
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347 |
}
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348 |
iX++;
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349 |
}
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350 |
continue;
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351 |
}
|
|
|
352 |
/* Literal or escape */
|
|
|
353 |
iRunLength = iNextByte(pFile);
|
|
|
354 |
if (iRunLength == EOF) {
|
|
|
355 |
return;
|
|
|
356 |
}
|
|
|
357 |
if (iRunLength == 0) { /* End of line escape */
|
|
|
358 |
bEOL = TRUE;
|
|
|
359 |
} else if (iRunLength == 1) { /* End of file escape */
|
|
|
360 |
return;
|
|
|
361 |
} else if (iRunLength == 2) { /* Delta escape */
|
|
|
362 |
DBG_MSG("RLE4: encountered delta escape");
|
|
|
363 |
return;
|
|
|
364 |
} else { /* Literal packet */
|
|
|
365 |
iHalfRun = (iRunLength + 1) / 2;
|
|
|
366 |
for (iRun = 0; iRun < iHalfRun; iRun++) {
|
|
|
367 |
iTmp = iNextByte(pFile);
|
|
|
368 |
if (iTmp == EOF) {
|
|
|
369 |
return;
|
|
|
370 |
}
|
|
|
371 |
/* Reverse the nibble order */
|
|
|
372 |
ucTmp = (iTmp & 0xf0) >> 4;
|
|
|
373 |
ucTmp |= (iTmp & 0x0f) << 4;
|
|
|
374 |
if (iX < iHalfWidth) {
|
|
|
375 |
iOffset = iY * iByteWidth + iX;
|
|
|
376 |
*(pucData + iOffset) = ucTmp;
|
|
|
377 |
}
|
|
|
378 |
iX++;
|
|
|
379 |
}
|
|
|
380 |
/* Padding if the number of bytes is odd */
|
|
|
381 |
if (odd(iHalfRun)) {
|
|
|
382 |
(void)tSkipBytes(pFile, 1);
|
|
|
383 |
}
|
|
|
384 |
}
|
|
|
385 |
}
|
|
|
386 |
DBG_DEC_C(iX != iHalfWidth, iX);
|
|
|
387 |
}
|
|
|
388 |
} /* end of vDecodeRle4 */
|
|
|
389 |
|
|
|
390 |
/*
|
|
|
391 |
* vDecodeRle8 - decode a RLE compressed 8 bits per pixel image
|
|
|
392 |
*/
|
|
|
393 |
static void
|
|
|
394 |
vDecodeRle8(FILE *pFile, UCHAR *pucData, const imagedata_type *pImg)
|
|
|
395 |
{
|
|
|
396 |
int iX, iY, iRun, iRunLength, iOffset, iIndex, iByteWidth;
|
|
|
397 |
BOOL bEOL;
|
|
|
398 |
|
|
|
399 |
DBG_MSG("vDecodeRle8");
|
|
|
400 |
|
|
|
401 |
fail(pFile == NULL);
|
|
|
402 |
fail(pucData == NULL);
|
|
|
403 |
fail(pImg == NULL);
|
|
|
404 |
fail(pImg->iColorsUsed < 1 || pImg->iColorsUsed > 256);
|
|
|
405 |
|
|
|
406 |
DBG_DEC(pImg->iWidth);
|
|
|
407 |
DBG_DEC(pImg->iHeight);
|
|
|
408 |
|
|
|
409 |
iByteWidth = iGetByteWidth(pImg);
|
|
|
410 |
|
|
|
411 |
for (iY = pImg->iHeight - 1; iY >= 0; iY--) {
|
|
|
412 |
bEOL = FALSE;
|
|
|
413 |
iX = 0;
|
|
|
414 |
while (!bEOL) {
|
|
|
415 |
iRunLength = iNextByte(pFile);
|
|
|
416 |
if (iRunLength == EOF) {
|
|
|
417 |
return;
|
|
|
418 |
}
|
|
|
419 |
if (iRunLength != 0) {
|
|
|
420 |
/*
|
|
|
421 |
* Encoded packet:
|
|
|
422 |
* RunLength pixels, all the same value
|
|
|
423 |
*/
|
|
|
424 |
iIndex = iNextByte(pFile);
|
|
|
425 |
if (iIndex == EOF) {
|
|
|
426 |
return;
|
|
|
427 |
}
|
|
|
428 |
for (iRun = 0; iRun < iRunLength; iRun++) {
|
|
|
429 |
if (iX < pImg->iWidth) {
|
|
|
430 |
iOffset = iY * iByteWidth + iX;
|
|
|
431 |
*(pucData + iOffset) =
|
|
|
432 |
iReduceColor(
|
|
|
433 |
pImg->aucPalette[iIndex][0],
|
|
|
434 |
pImg->aucPalette[iIndex][1],
|
|
|
435 |
pImg->aucPalette[iIndex][2]);
|
|
|
436 |
}
|
|
|
437 |
iX++;
|
|
|
438 |
}
|
|
|
439 |
continue;
|
|
|
440 |
}
|
|
|
441 |
/* Literal or escape */
|
|
|
442 |
iRunLength = iNextByte(pFile);
|
|
|
443 |
if (iRunLength == EOF) {
|
|
|
444 |
return;
|
|
|
445 |
}
|
|
|
446 |
if (iRunLength == 0) { /* End of line escape */
|
|
|
447 |
bEOL = TRUE;
|
|
|
448 |
} else if (iRunLength == 1) { /* End of file escape */
|
|
|
449 |
return;
|
|
|
450 |
} else if (iRunLength == 2) { /* Delta escape */
|
|
|
451 |
DBG_MSG("RLE8: encountered delta escape");
|
|
|
452 |
return;
|
|
|
453 |
} else { /* Literal packet */
|
|
|
454 |
for (iRun = 0; iRun < iRunLength; iRun++) {
|
|
|
455 |
iIndex = iNextByte(pFile);
|
|
|
456 |
if (iIndex == EOF) {
|
|
|
457 |
return;
|
|
|
458 |
}
|
|
|
459 |
if (iX < pImg->iWidth) {
|
|
|
460 |
iOffset = iY * iByteWidth + iX;
|
|
|
461 |
*(pucData + iOffset) =
|
|
|
462 |
iReduceColor(
|
|
|
463 |
pImg->aucPalette[iIndex][0],
|
|
|
464 |
pImg->aucPalette[iIndex][1],
|
|
|
465 |
pImg->aucPalette[iIndex][2]);
|
|
|
466 |
}
|
|
|
467 |
iX++;
|
|
|
468 |
}
|
|
|
469 |
/* Padding if the number of bytes is odd */
|
|
|
470 |
if (odd(iRunLength)) {
|
|
|
471 |
(void)tSkipBytes(pFile, 1);
|
|
|
472 |
}
|
|
|
473 |
}
|
|
|
474 |
}
|
|
|
475 |
DBG_DEC_C(iX != pImg->iWidth, iX);
|
|
|
476 |
}
|
|
|
477 |
} /* end of vDecodeRle8 */
|
|
|
478 |
|
|
|
479 |
#if 0 /* defined(DEBUG) */
|
|
|
480 |
static void
|
|
|
481 |
vCopy2File(UCHAR *pucSprite, size_t tSpriteSize)
|
|
|
482 |
{
|
|
|
483 |
FILE *pOutFile;
|
|
|
484 |
int iIndex;
|
|
|
485 |
char szFilename[30];
|
|
|
486 |
|
|
|
487 |
sprintf(szFilename, "<Wimp$ScrapDir>.sprt%04d", ++iPicCounter);
|
|
|
488 |
pOutFile = fopen(szFilename, "wb");
|
|
|
489 |
if (pOutFile == NULL) {
|
|
|
490 |
return;
|
|
|
491 |
}
|
|
|
492 |
DBG_MSG(szFilename);
|
|
|
493 |
for (iIndex = 4; iIndex < (int)tSpriteSize; iIndex++) {
|
|
|
494 |
if (putc(pucSprite[iIndex], pOutFile) == EOF) {
|
|
|
495 |
break;
|
|
|
496 |
}
|
|
|
497 |
}
|
|
|
498 |
(void)fclose(pOutFile);
|
|
|
499 |
vSetFiletype(szFilename, FILETYPE_SPRITE);
|
|
|
500 |
} /* end of vCopy2File */
|
|
|
501 |
#endif /* DEBUG */
|
|
|
502 |
|
|
|
503 |
/*
|
|
|
504 |
* vDecodeDIB - decode a dib picture
|
|
|
505 |
*/
|
|
|
506 |
static void
|
|
|
507 |
vDecodeDIB(diagram_type *pDiag, FILE *pFile, const imagedata_type *pImg)
|
|
|
508 |
{
|
|
|
509 |
sprite_areainfo *pSprite;
|
|
|
510 |
UCHAR *pucPalette, *pucData;
|
|
|
511 |
size_t tSpriteSize;
|
|
|
512 |
int iHeaderSize;
|
|
|
513 |
|
|
|
514 |
/* Skip the bitmap info header */
|
|
|
515 |
iHeaderSize = (int)ulNextLong(pFile);
|
|
|
516 |
(void)tSkipBytes(pFile, iHeaderSize - 4);
|
|
|
517 |
/* Skip the colortable */
|
|
|
518 |
if (pImg->uiBitsPerComponent <= 8) {
|
|
|
519 |
(void)tSkipBytes(pFile,
|
|
|
520 |
pImg->iColorsUsed * ((iHeaderSize > 12) ? 4 : 3));
|
|
|
521 |
}
|
|
|
522 |
|
|
|
523 |
/* Create an blank sprite */
|
|
|
524 |
pSprite = pCreateBlankSprite(pImg, &tSpriteSize);
|
|
|
525 |
pucPalette = (UCHAR *)pSprite +
|
|
|
526 |
pSprite->firstoffset + sizeof(sprite_header);
|
|
|
527 |
|
|
|
528 |
/* Add the pixel information */
|
|
|
529 |
switch (pImg->uiBitsPerComponent) {
|
|
|
530 |
case 1:
|
|
|
531 |
fail(pImg->eCompression != compression_none);
|
|
|
532 |
pucData = pucPalette + 2 * 8;
|
|
|
533 |
vDecode1bpp(pFile, pucData, pImg);
|
|
|
534 |
break;
|
|
|
535 |
case 4:
|
|
|
536 |
fail(pImg->eCompression != compression_none &&
|
|
|
537 |
pImg->eCompression != compression_rle4);
|
|
|
538 |
pucData = pucPalette + 16 * 8;
|
|
|
539 |
if (pImg->eCompression == compression_rle4) {
|
|
|
540 |
vDecodeRle4(pFile, pucData, pImg);
|
|
|
541 |
} else {
|
|
|
542 |
vDecode4bpp(pFile, pucData, pImg);
|
|
|
543 |
}
|
|
|
544 |
break;
|
|
|
545 |
case 8:
|
|
|
546 |
fail(pImg->eCompression != compression_none &&
|
|
|
547 |
pImg->eCompression != compression_rle8);
|
|
|
548 |
pucData = pucPalette + 0 * 8;
|
|
|
549 |
if (pImg->eCompression == compression_rle8) {
|
|
|
550 |
vDecodeRle8(pFile, pucData, pImg);
|
|
|
551 |
} else {
|
|
|
552 |
vDecode8bpp(pFile, pucData, pImg);
|
|
|
553 |
}
|
|
|
554 |
break;
|
|
|
555 |
case 24:
|
|
|
556 |
fail(pImg->eCompression != compression_none);
|
|
|
557 |
pucData = pucPalette + 0 * 8;
|
|
|
558 |
vDecode24bpp(pFile, pucData, pImg);
|
|
|
559 |
break;
|
|
|
560 |
default:
|
|
|
561 |
DBG_DEC(pImg->uiBitsPerComponent);
|
|
|
562 |
break;
|
|
|
563 |
}
|
|
|
564 |
|
|
|
565 |
#if 0 /* defined(DEBUG) */
|
|
|
566 |
vCopy2File((UCHAR *)pSprite, tSpriteSize);
|
|
|
567 |
#endif /* DEBUG */
|
|
|
568 |
|
|
|
569 |
/* Add the sprite to the Draw file */
|
|
|
570 |
vImage2Diagram(pDiag, pImg,
|
|
|
571 |
(UCHAR *)pSprite + pSprite->firstoffset,
|
|
|
572 |
tSpriteSize - pSprite->firstoffset);
|
|
|
573 |
|
|
|
574 |
/* Clean up before you leave */
|
|
|
575 |
pSprite = xfree(pSprite);
|
|
|
576 |
} /* end of vDecodeDIB */
|
|
|
577 |
|
|
|
578 |
/*
|
|
|
579 |
* bTranslateDIB - translate a DIB picture
|
|
|
580 |
*
|
|
|
581 |
* This function translates a picture from dib to sprite
|
|
|
582 |
*
|
|
|
583 |
* return TRUE when sucessful, otherwise FALSE
|
|
|
584 |
*/
|
|
|
585 |
BOOL
|
|
|
586 |
bTranslateDIB(diagram_type *pDiag, FILE *pFile,
|
|
|
587 |
ULONG ulFileOffset, const imagedata_type *pImg)
|
|
|
588 |
{
|
|
|
589 |
/* Seek to start position of DIB data */
|
|
|
590 |
if (!bSetDataOffset(pFile, ulFileOffset)) {
|
|
|
591 |
return FALSE;
|
|
|
592 |
}
|
|
|
593 |
|
|
|
594 |
vDecodeDIB(pDiag, pFile, pImg);
|
|
|
595 |
|
|
|
596 |
return TRUE;
|
|
|
597 |
} /* end of bTranslateDIB */
|