/*===========================================================================
 *
 * File:	Dfimgutl.CPP
 * Author:	Dave Humphrey (uesp@m0use.net)
 * Created On:	Tuesday, June 26, 2001
 *
 * Implements Daggerfall IMG file related routines.
 *
 *=========================================================================*/

	/* Include Files */
#include "uesp/dagger/image/dfimgutl.h"
#include "uesp/dagger/image/dfpal.h"
#include "file/pcx.h"
#include "file/bmpfile.h"


/*===========================================================================
 *
 * Begin Local Variable Definitions
 *
 *=========================================================================*/
  DEFINE_FILE();
/*===========================================================================
 *		End of Local Variable Definitions
 *=========================================================================*/


/*===========================================================================
 *
 * Function - boolean ExportDFCIFtoPCX (pFilename, CIFFile);
 *
 * Exports the given CIF file to multiple PCX files.  Returns FALSE on any
 * error.  Exports files with a 2 digit number starting at 00 appended
 * before the PCX extension.  For example:
 *	WEAPON104##.PCX  =>  WEAPON10400.PCX, WEPOAN10401.PCX, etc...
 *
 *=========================================================================*/
boolean ExportDFCIFtoPCX (const char* pFilename, const CDFCifFile& CIFFile) {
  DEFINE_FUNCTION("ExportDFCIFtoPCX()");
  boolean     Result;
  CDFImgFile* pImage; 
  char*       pEndFileBuffer;
  char        FileBuffer[_MAX_PATH+10];
  char        NumBuffer[16];
  int         Index;

	/* Ensure valid input */
  ASSERT(pFilename != NULL);

	/* Copy the file name */
  strnncpy(FileBuffer, pFilename, _MAX_PATH);
  RemoveExtension(FileBuffer);
  pEndFileBuffer = &FileBuffer[0] + strlen(FileBuffer);

	/* Output each image in the CIF file */
  for (Index = 0; Index < CIFFile.GetNumImages(); Index++) {

		/* Create the PCX filename string */
    *pEndFileBuffer = NULL_CHAR;
    snprintf(NumBuffer, 10, "%02d.pcx", Index);
    strcat(FileBuffer, NumBuffer);
    pImage = (CDFImgFile *) (CIFFile.GetImage(Index));

		/* Export the IMG file image */
    Result = ExportDFIMGtoPCX(FileBuffer, *(CDFImgFile *)pImage);
    if (!Result) return (FALSE);
   }
 
  return (TRUE);
 }
/*===========================================================================
 *		End of Function ExportDFCIFtoPCX()
 *=========================================================================*/



/*===========================================================================
 *
 * Function - boolean ExportDFIMGtoPCX (pFilename, IMGFile);
 *
 * Save a DF IMG file to a simple PCX file.  Uses the image's palette if
 * present or the default Daggerfall palette otherwise.  Returns FALSE
 * on any error.
 *
 *=========================================================================*/
boolean ExportDFIMGtoPCX (const char* pFilename, const CDFImgFile& IMGFile) {
  DEFINE_FUNCTION("ExportDFIMGtoPCX()");
  CPcxFile PCXFile;
  rgbpal_t Palette[256];
  boolean  Result;

	/* Choose the palette to use */
  if (IMGFile.HasPalette()) 
    CopyRGBPalette(&Palette[0], IMGFile.GetPalette(), 256, COPYRGBPAL_CONVERTFROMRAW);
  else
    CopyRGBPalette(&Palette[0], GetDefaultDFPal(), 256, COPYRGBPAL_CONVERTFROMRAW);

	/* Attempt to export the PCX file */
  Result = PCXFile.ExportLBM(pFilename, IMGFile.GetWidth(), IMGFile.GetHeight(), 
				IMGFile.GetImageData(), (byte*) &Palette[0]);

  return (Result);
 }
/*===========================================================================
 *		End of Function ExportDFIMGtoPCX()
 *=========================================================================*/


/*===========================================================================
 *
 * Function - boolean ExportDFTexturetoPCX (pFilename, TextureFile);
 *
 * Exports all images in the given texture file to PCX files.  Returns
 * FALSE on any error.  The extension in the given filename is removed
 * and the format:
 *			iiiss.PCX
 * where	iii = Texture image index (0 to 127)
 *		ss  = Texture image sub-image index (0 to 99)
 *
 * is appended to the string for each image/sub-image in the texture.
 *
 *=========================================================================*/
boolean ExportDFTexturetoPCX (const char* pFilename, const CDFTextureFile& TextureFile) {
  DEFINE_FUNCTION("ExportDFTexturetoPCX()");
  CDFTextureImage* pImage;
  char*    pEndFileBuffer;
  char     FileBuffer[_MAX_PATH+10];
  char     NumBuffer[16];
  boolean  Result;
  int      Index;

  	/* Copy the file name */
  strnncpy(FileBuffer, pFilename, _MAX_PATH);
  RemoveExtension(FileBuffer);
  pEndFileBuffer = &FileBuffer[0] + strlen(FileBuffer);

	/* Export each image in the texture file */
  for (Index = 0; Index < TextureFile.GetNumImages(); Index++) {

  		/* Create the PCX filename string */
    *pEndFileBuffer = NULL_CHAR;
    snprintf(NumBuffer, 10, "%03d", Index);
    strcpy(pEndFileBuffer, NumBuffer);
    pImage = TextureFile.GetImage(Index);

		/* Attempt to export the texture image */
    Result = ExportDFTxtImgtoPCX(FileBuffer, *pImage);
   }

  return (Result);
 }
/*===========================================================================
 *		End of Function ExportDFTexturetoPCX()
 *=========================================================================*/


/*===========================================================================
 *
 * Function - boolean ExportDFTxtImgtoPCX (pFilename, ImageFile);
 *
 * Exports the images in the given texture image data to the given filename.
 * Returns FALSE on any error.  The extension from the given string is
 * removed and replaced with:
 *				ss.PCX
 * where ss is the sub-image index that the texture image contains.  If
 * there is only one image, only a .PCX is appended to the filename.
 *
 *=========================================================================*/
boolean ExportDFTxtImgtoPCX (const char* pFilename, const CDFTextureImage& ImageFile) {
  DEFINE_FUNCTION("ExportDFTxtImgtoPCX()");
  CPcxFile PCXFile;
  rgbpal_t Palette[256];
  char*    pEndFileBuffer;
  char     FileBuffer[_MAX_PATH+10];
  char     NumBuffer[16];
  boolean  Result;
  int      Index;

	/* Create the palette to use */
  CopyRGBPalette(&Palette[0], GetDefaultDFPal(), 256, COPYRGBPAL_CONVERTFROMRAW);

  	/* Copy the file name */
  strnncpy(FileBuffer, pFilename, _MAX_PATH);
  RemoveExtension(FileBuffer);
  pEndFileBuffer = &FileBuffer[0] + strlen(FileBuffer);

	/* Export each sub-image in the image file */
  for (Index = 0; Index < ImageFile.GetNumSubImages(); Index++) {

  		/* Create the PCX filename string */
    *pEndFileBuffer = NULL_CHAR;

    if (ImageFile.GetNumSubImages() > 1) 
      snprintf(NumBuffer, 10, "%02d.pcx", Index);
    else
      strcpy (NumBuffer, ".pcx");

    strcpy(pEndFileBuffer, NumBuffer);
         
		/* Attempt to export the PCX file */
    Result = PCXFile.ExportLBM(FileBuffer, ImageFile.GetWidth(Index), ImageFile.GetHeight(Index),
				ImageFile.GetImageData(Index), (byte*) &Palette[0]);
    if (!Result) return (FALSE);
   }

  return (TRUE);
 }
/*===========================================================================
 *		End of Function ExportDFTxtImgtoPCX()
 *=========================================================================*/


/*===========================================================================
 *
 * Function - boolean ExportDFTxtImgtoBMP (pFilename, ImageFile);
 *
 * Exports the images in the given texture image data to the given filename.
 * Returns FALSE on any error.  The extension from the given string is
 * removed and replaced with:
 *				ss.BMP
 * where ss is the sub-image index that the texture image contains.  If
 * there is only one image, only a .BMP is appended to the filename. 
 *
 *=========================================================================*/
boolean ExportDFTxtImgtoBMP (const char* pFilename, const CDFTextureImage& ImageFile) {
  DEFINE_FUNCTION("ExportDFTxtImgtoBMP()");
  CBmpFile BMPFile;
  rgbpal_t Palette[256];
  char*    pEndFileBuffer;
  char     FileBuffer[_MAX_PATH+10];
  char     NumBuffer[16];
  boolean  Result;
  int      Index;

	/* Create the palette to use */
  CopyRGBPalette(&Palette[0], GetDefaultDFPal(), 256, COPYRGBPAL_CONVERTFROMRAW);

  	/* Copy the file name */
  strnncpy(FileBuffer, pFilename, _MAX_PATH);
  RemoveExtension(FileBuffer);
  pEndFileBuffer = &FileBuffer[0] + strlen(FileBuffer);

	/* Export each sub-image in the image file */
  for (Index = 0; Index < ImageFile.GetNumSubImages(); Index++) {

  		/* Create the PCX filename string */
    *pEndFileBuffer = NULL_CHAR;

    if (ImageFile.GetNumSubImages() > 1) 
      snprintf(NumBuffer, 10, "%02d.bmp", Index);
    else
      strcpy (NumBuffer, ".bmp");

    strcpy(pEndFileBuffer, NumBuffer);
         
		/* Attempt to export the PCX file */
    Result = BMPFile.ExportLBM(FileBuffer, ImageFile.GetWidth(Index), ImageFile.GetHeight(Index),
				ImageFile.GetImageData(Index), (byte*) &Palette[0]);
    if (!Result) return (FALSE);
   }

  return (TRUE);

  return (TRUE);
 }
/*===========================================================================
 *		End of Function ExportDFTxtImgtoBMP()
 *=========================================================================*/