[vba-commit] VisualBoyAdvance/win32/dependencies/cximage cximage.vcproj, 1.2, 1.3 license.txt, NONE, 1.1 tif_xfile.cpp, 1.2, 1.3 xfile.h, 1.2, 1.3 ximabmp.cpp, 1.2, 1.3 ximabmp.h, 1.2, 1.3 ximacfg.h, 1.2, 1.3 ximadef.h, 1.2, 1.3 ximadsp.cpp, 1.2, 1.3 ximaenc.cpp, 1.2, 1.3 ximaexif.cpp, 1.2, 1.3 ximage.cpp, 1.2, 1.3 ximage.h, 1.2, 1.3 ximagif.cpp, 1.2, 1.3 ximagif.h, 1.2, 1.3 ximahist.cpp, 1.2, 1.3 ximaico.cpp, 1.2, 1.3 ximaico.h, 1.2, 1.3 ximainfo.cpp, 1.2, 1.3 ximaint.cpp, 1.2, 1.3 ximaiter.h, 1.2, 1.3 ximaj2k.cpp, 1.2, 1.3 ximaj2k.h, 1.2, 1.3 ximajas.cpp, 1.2, 1.3 ximajas.h, 1.2, 1.3 ximajbg.cpp, 1.2, 1.3 ximajbg.h, 1.2, 1.3 ximajpg.cpp, 1.2, 1.3 ximajpg.h, 1.2, 1.3 ximalpha.cpp, 1.2, 1.3 ximalyr.cpp, 1.2, 1.3 ximamng.cpp, 1.2, 1.3 ximamng.h, 1.2, 1.3 ximapal.cpp, 1.2, 1.3 ximapcx.cpp, 1.2, 1.3 ximapcx.h, 1.2, 1.3 ximapng.cpp, 1.2, 1.3 ximapng.h, 1.2, 1.3 ximasel.cpp, 1.2, 1.3 ximatga.cpp, 1.2, 1.3 ximatga.h, 1.2, 1.3 ximath.cpp, 1.2, 1.3 ximath.h, 1.2, 1.3 ximatif.cpp, 1.2, 1.3 ximatif.h, 1.2, 1.3 ximatran.cpp, 1.2, 1.3 ximawbmp.cpp, 1.2, 1.3 ximawbmp.h, 1.2, 1.3 ximawmf.cpp, 1.2, 1.3 ximawmf.h, 1.2, 1.3 ximawnd.cpp, 1.2, 1.3 xiofile.h, 1.2, 1.3 xmemfile.cpp, 1.2, 1.3 xmemfile.h, 1.2, 1.3

[Spacy <sp...@us...>]

Update of /cvsroot/vba/VisualBoyAdvance/win32/dependencies/cximage
In directory sc8-pr-cvs9.sourceforge.net:/tmp/cvs-serv12280/win32/dependencies/cximage

Added Files:
	cximage.vcproj license.txt tif_xfile.cpp xfile.h ximabmp.cpp 
	ximabmp.h ximacfg.h ximadef.h ximadsp.cpp ximaenc.cpp 
	ximaexif.cpp ximage.cpp ximage.h ximagif.cpp ximagif.h 
	ximahist.cpp ximaico.cpp ximaico.h ximainfo.cpp ximaint.cpp 
	ximaiter.h ximaj2k.cpp ximaj2k.h ximajas.cpp ximajas.h 
	ximajbg.cpp ximajbg.h ximajpg.cpp ximajpg.h ximalpha.cpp 
	ximalyr.cpp ximamng.cpp ximamng.h ximapal.cpp ximapcx.cpp 
	ximapcx.h ximapng.cpp ximapng.h ximasel.cpp ximatga.cpp 
	ximatga.h ximath.cpp ximath.h ximatif.cpp ximatif.h 
	ximatran.cpp ximawbmp.cpp ximawbmp.h ximawmf.cpp ximawmf.h 
	ximawnd.cpp xiofile.h xmemfile.cpp xmemfile.h 
Log Message:
added CxImage source code and added a VC2005 project file for a static build

--- NEW FILE: ximath.h ---
#if !defined(__ximath_h)
#define __ximath_h

#include "ximadef.h"

//***bd*** simple floating point point
class DLL_EXP CxPoint2
{
public:
  CxPoint2();
  CxPoint2(float const x_, float const y_);
  CxPoint2(CxPoint2 const &p);

  float Distance(CxPoint2 const p2);
  float Distance(float const x_, float const y_);

  float x,y;
};

//and simple rectangle
class DLL_EXP CxRect2
{
public:
  CxRect2();
  CxRect2(float const x1_, float const y1_, float const x2_, float const y2_);
  CxRect2(CxPoint2 const &bl, CxPoint2 const &tr);
  CxRect2(CxRect2 const &p);

  float Surface() const;
  CxRect2 CrossSection(CxRect2 const &r2) const;
  CxPoint2 Center() const;
  float Width() const;
  float Height() const;

  CxPoint2 botLeft;
  CxPoint2 topRight;
};

#endif

--- NEW FILE: ximapcx.cpp ---
/*
 * File:	ximapcx.cpp
 * Purpose:	Platform Independent PCX Image Class Loader and Writer
 * 05/Jan/2002 Davide Pizzolato - www.xdp.it
 * CxImage version 5.99c 17/Oct/2004
 *
 * based on ppmtopcx.c - convert a portable pixmap to PCX
 * Copyright (C) 1994 by Ingo Wilken (Ing...@in...)
 * based on ppmtopcx.c by Michael Davidson
 */

#include "ximapcx.h"

#if CXIMAGE_SUPPORT_PCX

#include "xmemfile.h"

#define PCX_MAGIC 0X0A  // PCX magic number
#define PCX_256_COLORS 0X0C  // magic number for 256 colors
#define PCX_HDR_SIZE 128  // size of PCX header
#define PCX_MAXCOLORS 256
#define PCX_MAXPLANES 4
#define PCX_MAXVAL 255

////////////////////////////////////////////////////////////////////////////////
bool CxImagePCX::Decode(CxFile *hFile)
{
	if (hFile == NULL) return false;

	PCXHEADER pcxHeader;
	int i, x, y, y2, nbytes, count, Height, Width;
	BYTE c, ColorMap[PCX_MAXCOLORS][3];
	BYTE *pcximage = NULL, *lpHead1 = NULL, *lpHead2 = NULL;
	BYTE *pcxplanes, *pcxpixels;

  try
  {
	if (hFile->Read(&pcxHeader,sizeof(PCXHEADER),1)==0) throw "Can't read PCX image";

    if (pcxHeader.Manufacturer != PCX_MAGIC) throw "Error: Not a PCX file";
    // Check for PCX run length encoding
    if (pcxHeader.Encoding != 1) throw "PCX file has unknown encoding scheme";
 
    Width = (pcxHeader.Xmax - pcxHeader.Xmin) + 1;
    Height = (pcxHeader.Ymax - pcxHeader.Ymin) + 1;
	info.xDPI = pcxHeader.Hres;
	info.yDPI = pcxHeader.Vres;

    // Check that we can handle this image format
    if (pcxHeader.ColorPlanes > 4)
		throw "Can't handle image with more than 4 planes";

	// Create the image
	if (pcxHeader.ColorPlanes >= 3 && pcxHeader.BitsPerPixel == 8){
		Create (Width, Height, 24, CXIMAGE_FORMAT_PCX);
#if CXIMAGE_SUPPORT_ALPHA
		if (pcxHeader.ColorPlanes==4) AlphaCreate();
#endif //CXIMAGE_SUPPORT_ALPHA
	} else if (pcxHeader.ColorPlanes == 4 && pcxHeader.BitsPerPixel == 1)
		Create (Width, Height, 4, CXIMAGE_FORMAT_PCX);
	else
		Create (Width, Height, pcxHeader.BitsPerPixel, CXIMAGE_FORMAT_PCX);

	if (info.nEscape) throw "Cancelled"; // <vho> - cancel decoding

	//Read the image and check if it's ok
    nbytes = pcxHeader.BytesPerLine * pcxHeader.ColorPlanes * Height;
    lpHead1 = pcximage = (BYTE*)malloc(nbytes);
    while (nbytes > 0){
		if (hFile == NULL || hFile->Eof()) throw "corrupted PCX";

		hFile->Read(&c,1,1);
		if ((c & 0XC0) != 0XC0){ // Repeated group
			*pcximage++ = c;
			--nbytes;
			continue;
		}
		count = c & 0X3F; // extract count
		hFile->Read(&c,1,1);
		if (count > nbytes) throw "repeat count spans end of image";

		nbytes -= count;
		while (--count >=0) *pcximage++ = c;
	}
    pcximage = lpHead1;

	//store the palette
    for (i = 0; i < 16; i++){
		ColorMap[i][0] = pcxHeader.ColorMap[i][0];
		ColorMap[i][1] = pcxHeader.ColorMap[i][1];
		ColorMap[i][2] = pcxHeader.ColorMap[i][2];
	}
    if (pcxHeader.BitsPerPixel == 8 && pcxHeader.ColorPlanes == 1){
		hFile->Read(&c,1,1);
		if (c != PCX_256_COLORS) throw "bad color map signature";
		
		for (i = 0; i < PCX_MAXCOLORS; i++){
			hFile->Read(&ColorMap[i][0],1,1);
			hFile->Read(&ColorMap[i][1],1,1);
			hFile->Read(&ColorMap[i][2],1,1);
		}
	}
    if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 1){
		ColorMap[0][0] = ColorMap[0][1] = ColorMap[0][2] = 0;
		ColorMap[1][0] = ColorMap[1][1] = ColorMap[1][2] = 255;
	}

	for (DWORD idx=0; idx<head.biClrUsed; idx++) SetPaletteColor((BYTE)idx,ColorMap[idx][0],ColorMap[idx][1],ColorMap[idx][2]);

    lpHead2 = pcxpixels = (BYTE *)malloc(Width + pcxHeader.BytesPerLine * 8);
    // Convert the image
    for (y = 0; y < Height; y++){

		if (info.nEscape) throw "Cancelled"; // <vho> - cancel decoding

		y2=Height-1-y;
		pcxpixels = lpHead2;
		pcxplanes = pcximage + (y * pcxHeader.BytesPerLine * pcxHeader.ColorPlanes);

		if (pcxHeader.ColorPlanes == 3 && pcxHeader.BitsPerPixel == 8){
			// Deal with 24 bit color image
			for (x = 0; x < Width; x++){
				SetPixelColor(x,y2,RGB(pcxplanes[x],pcxplanes[pcxHeader.BytesPerLine + x],pcxplanes[2*pcxHeader.BytesPerLine + x]));
			}
			continue;
#if CXIMAGE_SUPPORT_ALPHA
		} else if (pcxHeader.ColorPlanes == 4 && pcxHeader.BitsPerPixel == 8){
			for (x = 0; x < Width; x++){
				SetPixelColor(x,y2,RGB(pcxplanes[x],pcxplanes[pcxHeader.BytesPerLine + x],pcxplanes[2*pcxHeader.BytesPerLine + x]));
				AlphaSet(x,y2,pcxplanes[3*pcxHeader.BytesPerLine + x]);
			}
			continue;
#endif //CXIMAGE_SUPPORT_ALPHA
		} else if (pcxHeader.ColorPlanes == 1) {
			PCX_UnpackPixels(pcxpixels, pcxplanes, pcxHeader.BytesPerLine, pcxHeader.ColorPlanes, pcxHeader.BitsPerPixel);
		} else {
			PCX_PlanesToPixels(pcxpixels, pcxplanes, pcxHeader.BytesPerLine, pcxHeader.ColorPlanes, pcxHeader.BitsPerPixel);
		}
		for (x = 0; x < Width; x++)	SetPixelIndex(x,y2,pcxpixels[x]);
	}

  } catch (char *message) {
	strncpy(info.szLastError,message,255);
	if (lpHead1){ free(lpHead1); lpHead1 = NULL; }
    if (lpHead2){ free(lpHead2); lpHead2 = NULL; }
	return false;
  }
	if (lpHead1){ free(lpHead1); lpHead1 = NULL; }
    if (lpHead2){ free(lpHead2); lpHead2 = NULL; }
	return true;
}
////////////////////////////////////////////////////////////////////////////////
#if CXIMAGE_SUPPORT_ENCODE
////////////////////////////////////////////////////////////////////////////////
bool CxImagePCX::Encode(CxFile * hFile)
{
	if (EncodeSafeCheck(hFile)) return false;

  try {
	PCXHEADER pcxHeader;
	memset(&pcxHeader,0,sizeof(pcxHeader));
	pcxHeader.Manufacturer = PCX_MAGIC;
	pcxHeader.Version = 5;
	pcxHeader.Encoding = 1;
	pcxHeader.Xmin = 0;
	pcxHeader.Ymin = 0;
	pcxHeader.Xmax = (WORD)head.biWidth-1;
	pcxHeader.Ymax = (WORD)head.biHeight-1;
	pcxHeader.Hres = (WORD)info.xDPI;
	pcxHeader.Vres = (WORD)info.yDPI;
	pcxHeader.Reserved = 0;
	pcxHeader.PaletteType = head.biClrUsed==0;

	switch(head.biBitCount){
	case 24:
	case 8:
		{
			pcxHeader.BitsPerPixel = 8;
			pcxHeader.ColorPlanes = head.biClrUsed==0 ? 3 : 1;
#if CXIMAGE_SUPPORT_ALPHA
			if (AlphaIsValid() && head.biClrUsed==0) pcxHeader.ColorPlanes =4;
#endif //CXIMAGE_SUPPORT_ALPHA
			pcxHeader.BytesPerLine = (WORD)head.biWidth;
			break;
		}
	default: //(4 1)
		pcxHeader.BitsPerPixel = 1;
		pcxHeader.ColorPlanes = head.biClrUsed==16 ? 4 : 1;
		pcxHeader.BytesPerLine = (WORD)((head.biWidth * pcxHeader.BitsPerPixel + 7)>>3);
	}

    if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 1){
		pcxHeader.ColorMap[0][0] = pcxHeader.ColorMap[0][1] = pcxHeader.ColorMap[0][2] = 0;
		pcxHeader.ColorMap[1][0] = pcxHeader.ColorMap[1][1] = pcxHeader.ColorMap[1][2] = 255;
	}
	if (pcxHeader.BitsPerPixel == 1 && pcxHeader.ColorPlanes == 4){
		RGBQUAD c;
		for (int i = 0; i < 16; i++){
			c=GetPaletteColor(i);
			pcxHeader.ColorMap[i][0] = c.rgbRed;
			pcxHeader.ColorMap[i][1] = c.rgbGreen;
			pcxHeader.ColorMap[i][2] = c.rgbBlue;
		}
	}

	pcxHeader.BytesPerLine = (pcxHeader.BytesPerLine + 1)&(~1);

	if (hFile->Write(&pcxHeader, sizeof(pcxHeader), 1) == 0 )
	   throw "cannot write PCX header";

	CxMemFile buffer;
	buffer.Open();

	BYTE c,n;
	long x,y;
	if (head.biClrUsed==0){
		for (y = head.biHeight-1; y >=0 ; y--){
			for (int p=0; p<pcxHeader.ColorPlanes; p++){
				c=n=0;
				for (x = 0; x<head.biWidth; x++){
					if (p==0)
						PCX_PackPixels(GetPixelColor(x,y).rgbRed,c,n,buffer);
					else if (p==1)
						PCX_PackPixels(GetPixelColor(x,y).rgbGreen,c,n,buffer);
					else if (p==2)
						PCX_PackPixels(GetPixelColor(x,y).rgbBlue,c,n,buffer);
#if CXIMAGE_SUPPORT_ALPHA
					else if (p==3)
						PCX_PackPixels(AlphaGet(x,y),c,n,buffer);
#endif //CXIMAGE_SUPPORT_ALPHA
				}
				PCX_PackPixels(-1-(head.biWidth&0x1),c,n,buffer);
			}
		}

		hFile->Write(buffer.GetBuffer(false),buffer.Size(),1);

	} else if (head.biBitCount==8) {

		for (y = head.biHeight-1; y >=0 ; y--){
			c=n=0;
			for (x = 0; x<head.biWidth; x++){
				PCX_PackPixels(GetPixelIndex(x,y),c,n,buffer);
			}
			PCX_PackPixels(-1-(head.biWidth&0x1),c,n,buffer);
		}

		hFile->Write(buffer.GetBuffer(false),buffer.Size(),1);

		if (head.biBitCount == 8){
			hFile->PutC(0x0C);
			BYTE* pal = (BYTE*)malloc(768);
			RGBQUAD c;
			for (int i=0;i<256;i++){
				c=GetPaletteColor(i);
				pal[3*i+0] = c.rgbRed;
				pal[3*i+1] = c.rgbGreen;
				pal[3*i+2] = c.rgbBlue;
			}
			hFile->Write(pal,768,1);
			free(pal);
		}
	} else { //(head.biBitCount==4) || (head.biBitCount==1)

		RGBQUAD *rgb = GetPalette();
		bool binvert = false;
		if (CompareColors(&rgb[0],&rgb[1])>0) binvert=(head.biBitCount==1);
		
		BYTE* plane = (BYTE*)malloc(pcxHeader.BytesPerLine);
		BYTE* raw = (BYTE*)malloc(head.biWidth);

		for(y = head.biHeight-1; y >=0 ; y--) {

			for( x = 0; x < head.biWidth; x++)	raw[x] = (BYTE)GetPixelIndex(x,y);

			if (binvert) for( x = 0; x < head.biWidth; x++)	raw[x] = 1-raw[x];

			for( x = 0; x < pcxHeader.ColorPlanes; x++ ) {
				PCX_PixelsToPlanes(raw, head.biWidth, plane, x);
				PCX_PackPlanes(plane, pcxHeader.BytesPerLine, buffer);
			}
		}

		free(plane);
		free(raw);

		hFile->Write(buffer.GetBuffer(false),buffer.Size(),1);

	}

  } catch (char *message) {
	strncpy(info.szLastError,message,255);
	return false;
  }
    return true;
}
////////////////////////////////////////////////////////////////////////////////
#endif // CXIMAGE_SUPPORT_ENCODE
////////////////////////////////////////////////////////////////////////////////
// Convert multi-plane format into 1 pixel per byte
// from unpacked file data bitplanes[] into pixel row pixels[]
// image Height rows, with each row having planes image planes each
// bytesperline bytes
void CxImagePCX::PCX_PlanesToPixels(BYTE * pixels, BYTE * bitplanes, short bytesperline, short planes, short bitsperpixel)
{
	int i, j, npixels;
	BYTE * p;
	if (planes > 4) throw "Can't handle more than 4 planes";
	if (bitsperpixel != 1) throw "Can't handle more than 1 bit per pixel";

	// Clear the pixel buffer
	npixels = (bytesperline * 8) / bitsperpixel;
	p = pixels;
	while (--npixels >= 0) *p++ = 0;

	// Do the format conversion
	for (i = 0; i < planes; i++){
		int pixbit, bits, mask;
		p = pixels;
		pixbit = (1 << i);  // pixel bit for this plane
		for (j = 0; j < bytesperline; j++){
			bits = *bitplanes++;
			for (mask = 0X80; mask != 0; mask >>= 1, p++)
				if (bits & mask) *p |= pixbit;
		}
	}
}
////////////////////////////////////////////////////////////////////////////////
// convert packed pixel format into 1 pixel per byte
// from unpacked file data bitplanes[] into pixel row pixels[]
// image Height rows, with each row having planes image planes each
// bytesperline bytes
void CxImagePCX::PCX_UnpackPixels(BYTE * pixels, BYTE * bitplanes, short bytesperline, short planes, short bitsperpixel)
{
	register int bits;
	if (planes != 1) throw "Can't handle packed pixels with more than 1 plane.";
	
	if (bitsperpixel == 8){  // 8 bits/pixels, no unpacking needed
		while (bytesperline-- > 0) *pixels++ = *bitplanes++;
	} else if (bitsperpixel == 4){  // 4 bits/pixel, two pixels per byte
		while (bytesperline-- > 0){
			bits = *bitplanes++;
			*pixels++ = (BYTE)((bits >> 4) & 0X0F);
			*pixels++ = (BYTE)((bits) & 0X0F);
		}
	} else if (bitsperpixel == 2){  // 2 bits/pixel, four pixels per byte
		while (bytesperline-- > 0){
			bits = *bitplanes++;
			*pixels++ = (BYTE)((bits >> 6) & 0X03);
			*pixels++ = (BYTE)((bits >> 4) & 0X03);
			*pixels++ = (BYTE)((bits >> 2) & 0X03);
			*pixels++ = (BYTE)((bits) & 0X03);
		}
	} else if (bitsperpixel == 1){  // 1 bits/pixel, 8 pixels per byte
		while (bytesperline-- > 0){
			bits = *bitplanes++;
			*pixels++ = ((bits & 0X80) != 0);
			*pixels++ = ((bits & 0X40) != 0);
			*pixels++ = ((bits & 0X20) != 0);
			*pixels++ = ((bits & 0X10) != 0);
			*pixels++ = ((bits & 0X08) != 0);
			*pixels++ = ((bits & 0X04) != 0);
			*pixels++ = ((bits & 0X02) != 0);
			*pixels++ = ((bits & 0X01) != 0);
		}
	}
}
////////////////////////////////////////////////////////////////////////////////
/* PCX_PackPixels(const long p,BYTE &c, BYTE &n, long &l, CxFile &f)
 * p = current pixel (-1 ends the line -2 ends odd line)
 * c = previous pixel
 * n = number of consecutive pixels
 */
void CxImagePCX::PCX_PackPixels(const long p,BYTE &c, BYTE &n, CxFile &f)
{
	if (p!=c && n){
		if (n==1 && c<0xC0){
			f.PutC(c);
		} else {
			f.PutC(0xC0|n);
			f.PutC(c);
		}
		n=0;
	}
	if (n==0x3F) {
		f.PutC(0xFF);
		f.PutC(c);
		n=0;
	}
	if (p==-2) f.PutC(0);
	c=(BYTE)p;
	n++;
}
////////////////////////////////////////////////////////////////////////////////
void CxImagePCX::PCX_PackPlanes(BYTE* buff, const long size, CxFile &f)
{
    BYTE *start,*end;
    BYTE c, previous, count;

	start = buff;
    end = buff + size;
    previous = *start++;
    count    = 1;

    while (start < end) {
        c = *start++;
        if (c == previous && count < 63) {
            ++count;
            continue;
        }

        if (count > 1 || (previous & 0xc0) == 0xc0) {
            f.PutC( count | 0xc0 );
        }
        f.PutC(previous);
        previous = c;
        count   = 1;
    }

    if (count > 1 || (previous & 0xc0) == 0xc0) {
        count |= 0xc0;
        f.PutC(count);
    }
    f.PutC(previous);
}
////////////////////////////////////////////////////////////////////////////////
void CxImagePCX::PCX_PixelsToPlanes(BYTE* raw, long width, BYTE* buf, long plane)
{
    int cbit, x, mask;
    unsigned char *cp = buf-1;

    mask = 1 << plane;
    cbit = -1;
    for( x = 0; x < width; x++ ) {
        if( cbit < 0 ) {
            cbit = 7;
            *++cp = 0;
        }
        if( raw[x] & mask )
            *cp |= (1<<cbit);
        --cbit;
    }
}
////////////////////////////////////////////////////////////////////////////////
#endif // CXIMAGE_SUPPORT_PCX

--- NEW FILE: ximawbmp.h ---
/*
 * File:	ximawbmp.h
 * Purpose:	WBMP Image Class Loader and Writer
 */
/* ==========================================================
 * CxImageWBMP (c) 12/Jul/2002 Davide Pizzolato - www.xdp.it
 * For conditions of distribution and use, see copyright notice in ximage.h
 * ==========================================================
 */
#if !defined(__ximaWBMP_h)
#define __ximaWBMP_h

#include "ximage.h"

#if CXIMAGE_SUPPORT_WBMP

class CxImageWBMP: public CxImage
{
#pragma pack(1)
typedef struct tagWbmpHeader
{
    BYTE   Type;            // 0
    BYTE   FixHeader;       // 0
    BYTE   ImageWidth;      // Image Width
    BYTE   ImageHeight;     // Image Height
} WBMPHEADER;
#pragma pack()
public:
	CxImageWBMP(): CxImage(CXIMAGE_FORMAT_WBMP) {}

//	bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_WBMP);}
//	bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_WBMP);}
	bool Decode(CxFile * hFile);
	bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }

#if CXIMAGE_SUPPORT_ENCODE
	bool Encode(CxFile * hFile);
	bool Encode(FILE *hFile) { CxIOFile file(hFile); return Encode(&file); }
#endif // CXIMAGE_SUPPORT_ENCODE
};

#endif

#endif

--- NEW FILE: cximage.vcproj ---
<?xml version="1.0" encoding="Windows-1252"?>
<VisualStudioProject
	ProjectType="Visual C++"
	Version="8,00"
	Name="cximage"
	ProjectGUID="{DB5C12E9-BCD3-4517-8708-475C0D1D88CE}"
	RootNamespace="cximage"
	Keyword="Win32Proj"
	>
	<Platforms>
		<Platform
			Name="Win32"
		/>
	</Platforms>
	<ToolFiles>
	</ToolFiles>
	<Configurations>
		<Configuration
			Name="Debug|Win32"
			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
			IntermediateDirectory="$(ConfigurationName)"
			ConfigurationType="4"
			CharacterSet="0"
			>
			<Tool
				Name="VCPreBuildEventTool"
			/>
			<Tool
				Name="VCCustomBuildTool"
			/>
			<Tool
				Name="VCXMLDataGeneratorTool"
			/>
			<Tool
				Name="VCWebServiceProxyGeneratorTool"
			/>
			<Tool
				Name="VCMIDLTool"
			/>
			<Tool
				Name="VCCLCompilerTool"
				Optimization="0"
				PreprocessorDefinitions="WIN32;_DEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NON_CONFORMING_SWPRINTFS;JAS_WIN_MSVC_BUILD"
				MinimalRebuild="true"
				BasicRuntimeChecks="3"
				RuntimeLibrary="1"
				UsePrecompiledHeader="0"
				WarningLevel="3"
				Detect64BitPortabilityProblems="false"
				DebugInformationFormat="4"
			/>
			<Tool
				Name="VCManagedResourceCompilerTool"
			/>
			<Tool
				Name="VCResourceCompilerTool"
			/>
			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLibrarianTool"
			/>
			<Tool
				Name="VCALinkTool"
			/>
			<Tool
				Name="VCXDCMakeTool"
			/>
			<Tool
				Name="VCBscMakeTool"
			/>
			<Tool
				Name="VCFxCopTool"
			/>
			<Tool
				Name="VCPostBuildEventTool"
			/>
		</Configuration>
		<Configuration
			Name="Release|Win32"
			OutputDirectory="$(SolutionDir)$(ConfigurationName)"
			IntermediateDirectory="$(ConfigurationName)"
			ConfigurationType="4"
			CharacterSet="0"
			WholeProgramOptimization="1"
			>
			<Tool
				Name="VCPreBuildEventTool"
			/>
			<Tool
				Name="VCCustomBuildTool"
			/>
			<Tool
				Name="VCXMLDataGeneratorTool"
			/>
			<Tool
				Name="VCWebServiceProxyGeneratorTool"
			/>
			<Tool
				Name="VCMIDLTool"
			/>
			<Tool
				Name="VCCLCompilerTool"
				PreprocessorDefinitions="WIN32;NDEBUG;_LIB;_CRT_SECURE_NO_DEPRECATE;_CRT_NON_CONFORMING_SWPRINTFS;JAS_WIN_MSVC_BUILD"
				RuntimeLibrary="0"
				UsePrecompiledHeader="0"
				WarningLevel="3"
				Detect64BitPortabilityProblems="false"
				DebugInformationFormat="3"
			/>
			<Tool
				Name="VCManagedResourceCompilerTool"
			/>
			<Tool
				Name="VCResourceCompilerTool"
			/>
			<Tool
				Name="VCPreLinkEventTool"
			/>
			<Tool
				Name="VCLibrarianTool"
			/>
			<Tool
				Name="VCALinkTool"
			/>
			<Tool
				Name="VCXDCMakeTool"
			/>
			<Tool
				Name="VCBscMakeTool"
			/>
			<Tool
				Name="VCFxCopTool"
			/>
			<Tool
				Name="VCPostBuildEventTool"
			/>
		</Configuration>
	</Configurations>
	<References>
	</References>
	<Files>
		<Filter
			Name="Source Files"
			Filter="cpp;c;cc;cxx;def;odl;idl;hpj;bat;asm;asmx"
			UniqueIdentifier="{4FC737F1-C7A5-4376-A066-2A32D752A2FF}"
			>
			<File
				RelativePath=".\tif_xfile.cpp"
				>
			</File>
			<File
				RelativePath=".\ximabmp.cpp"
				>
			</File>
			<File
				RelativePath=".\ximadsp.cpp"
				>
			</File>
			<File
				RelativePath=".\ximaenc.cpp"
				>
			</File>
			<File
				RelativePath=".\ximaexif.cpp"
				>
			</File>
			<File
				RelativePath=".\ximage.cpp"
				>
			</File>
			<File
				RelativePath=".\ximagif.cpp"
				>
			</File>
			<File
				RelativePath=".\ximahist.cpp"
				>
			</File>
			<File
				RelativePath=".\ximaico.cpp"
				>
			</File>
			<File
				RelativePath=".\ximainfo.cpp"
				>
			</File>
			<File
				RelativePath=".\ximaint.cpp"
				>
			</File>
			<File
				RelativePath=".\ximaj2k.cpp"
				>
			</File>
			<File
				RelativePath=".\ximajas.cpp"
				>
			</File>
			<File
				RelativePath=".\ximajbg.cpp"
				>
			</File>
			<File
				RelativePath=".\ximajpg.cpp"
				>
			</File>
			<File
				RelativePath=".\ximalpha.cpp"
				>
			</File>
			<File
				RelativePath=".\ximalyr.cpp"
				>
			</File>
			<File
				RelativePath=".\ximamng.cpp"
				>
			</File>
			<File
				RelativePath=".\ximapal.cpp"
				>
			</File>
			<File
				RelativePath=".\ximapcx.cpp"
				>
			</File>
			<File
				RelativePath=".\ximapng.cpp"
				>
			</File>
			<File
				RelativePath=".\ximasel.cpp"
				>
			</File>
			<File
				RelativePath=".\ximatga.cpp"
				>
			</File>
			<File
				RelativePath=".\ximath.cpp"
				>
			</File>
			<File
				RelativePath=".\ximatif.cpp"
				>
			</File>
			<File
				RelativePath=".\ximatran.cpp"
				>
			</File>
			<File
				RelativePath=".\ximawbmp.cpp"
				>
			</File>
			<File
				RelativePath=".\ximawmf.cpp"
				>
			</File>
			<File
				RelativePath=".\ximawnd.cpp"
				>
			</File>
			<File
				RelativePath=".\xmemfile.cpp"
				>
			</File>
		</Filter>
		<Filter
			Name="Header Files"
			Filter="h;hpp;hxx;hm;inl;inc;xsd"
			UniqueIdentifier="{93995380-89BD-4b04-88EB-625FBE52EBFB}"
			>
			<File
				RelativePath=".\xfile.h"
				>
			</File>
			<File
				RelativePath=".\ximabmp.h"
				>
			</File>
			<File
				RelativePath=".\ximacfg.h"
				>
			</File>
			<File
				RelativePath=".\ximadef.h"
				>
			</File>
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				RelativePath=".\ximage.h"
				>
			</File>
			<File
				RelativePath=".\ximagif.h"
				>
			</File>
			<File
				RelativePath=".\ximaico.h"
				>
			</File>
			<File
				RelativePath=".\ximaiter.h"
				>
			</File>
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				RelativePath=".\ximaj2k.h"
				>
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			<File
				RelativePath=".\ximajas.h"
				>
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				RelativePath=".\ximajbg.h"
				>
			</File>
			<File
				RelativePath=".\ximajpg.h"
				>
			</File>
			<File
				RelativePath=".\ximamng.h"
				>
			</File>
			<File
				RelativePath=".\ximapcx.h"
				>
			</File>
			<File
				RelativePath=".\ximapng.h"
				>
			</File>
			<File
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			</File>
			<File
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			<File
				RelativePath=".\ximatif.h"
				>
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			<File
				RelativePath=".\ximawbmp.h"
				>
			</File>
			<File
				RelativePath=".\ximawmf.h"
				>
			</File>
			<File
				RelativePath=".\xiofile.h"
				>
			</File>
			<File
				RelativePath=".\xmemfile.h"
				>
			</File>
		</Filter>
	</Files>
	<Globals>
	</Globals>
</VisualStudioProject>

--- NEW FILE: ximatif.cpp ---
/*
 * File:	ximatif.cpp
 * Purpose:	Platform Independent TIFF Image Class Loader and Writer
 * 07/Aug/2001 Davide Pizzolato - www.xdp.it
 * CxImage version 5.99c 17/Oct/2004
 */

#include "ximatif.h"

#if CXIMAGE_SUPPORT_TIF

#include "../tiff/tiffio.h"

#define CVT(x)			(((x) * 255L) / ((1L<<16)-1))
#define	SCALE(x)		(((x)*((1L<<16)-1))/255)
#define CalculateLine(width,bitdepth)	(((width * bitdepth) + 7) / 8)
#define CalculatePitch(line)	(line + 3 & ~3)

extern "C" TIFF* _TIFFOpenEx(CxFile* stream, const char* mode);

////////////////////////////////////////////////////////////////////////////////
CxImageTIF::~CxImageTIF()
{
	if (m_tif2) TIFFClose(m_tif2);
}
////////////////////////////////////////////////////////////////////////////////
bool CxImageTIF::Decode(CxFile * hFile)
{
	//Comment this line if you need more information on errors
	// TIFFSetErrorHandler(NULL);	//<Patrick Hoffmann>

	//Open file and fill the TIFF structure
	// m_tif = TIFFOpen(imageFileName,"rb");
	TIFF* m_tif = _TIFFOpenEx(hFile, "rb");

	uint32 height=0;
	uint32 width=0;
	uint16 bitspersample=1;
	uint16 samplesperpixel=1;
	uint32 rowsperstrip=(DWORD)-1;
	uint16 photometric=0;
	uint16 compression=1;
	uint16 orientation=ORIENTATION_TOPLEFT; //<vho>
	uint16 res_unit; //<Trifon>
	uint32 x, y;
	float resolution, offset;
	BOOL isRGB;
	BYTE *bits;		//pointer to source data
	BYTE *bits2;	//pointer to destination data

  try{
	//check if it's a tiff file
	if (!m_tif)
		throw "Error encountered while opening TIFF file";

	// <Robert Abram> - 12/2002 : get NumFrames directly, instead of looping
	// info.nNumFrames=0;
	// while(TIFFSetDirectory(m_tif,(uint16)info.nNumFrames)) info.nNumFrames++;
	info.nNumFrames = TIFFNumberOfDirectories(m_tif);

	if (!TIFFSetDirectory(m_tif, (uint16)info.nFrame))
		throw "Error: page not present in TIFF file";			

	//get image info
	TIFFGetField(m_tif, TIFFTAG_IMAGEWIDTH, &width);
	TIFFGetField(m_tif, TIFFTAG_IMAGELENGTH, &height);
	TIFFGetField(m_tif, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
	TIFFGetField(m_tif, TIFFTAG_BITSPERSAMPLE, &bitspersample);
	TIFFGetField(m_tif, TIFFTAG_ROWSPERSTRIP, &rowsperstrip);   
	TIFFGetField(m_tif, TIFFTAG_PHOTOMETRIC, &photometric);
	TIFFGetField(m_tif, TIFFTAG_ORIENTATION, &orientation);

	if (info.nEscape == -1) {
		// Return output dimensions only
		head.biWidth = width;
		head.biHeight = height;
		throw "output dimensions returned";
	}

	TIFFGetFieldDefaulted(m_tif, TIFFTAG_RESOLUTIONUNIT, &res_unit);
	if (TIFFGetField(m_tif, TIFFTAG_XRESOLUTION, &resolution))
	{
		if (res_unit == RESUNIT_CENTIMETER) resolution = (float)(resolution*2.54f + 0.5f);
		SetXDPI((long)resolution);
	}
	if (TIFFGetField(m_tif, TIFFTAG_YRESOLUTION, &resolution))
	{
		if (res_unit == RESUNIT_CENTIMETER) resolution = (float)(resolution*2.54f + 0.5f);
		SetYDPI((long)resolution);
	}

	if (TIFFGetField(m_tif, TIFFTAG_XPOSITION, &offset))	info.xOffset = (long)offset;
	if (TIFFGetField(m_tif, TIFFTAG_YPOSITION, &offset))	info.yOffset = (long)offset;

	head.biClrUsed=0;
	info.nBkgndIndex =-1;

	if (rowsperstrip>height){
		rowsperstrip=height;
		TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
	}

	isRGB = (bitspersample >= 8) &&
		(photometric == PHOTOMETRIC_RGB) ||
		(photometric == PHOTOMETRIC_YCBCR) ||
		(photometric == PHOTOMETRIC_SEPARATED) ||
		(photometric == PHOTOMETRIC_LOGL) ||
		(photometric == PHOTOMETRIC_LOGLUV);

	if (isRGB){
		head.biBitCount=24;
	}else{
		if ((photometric==PHOTOMETRIC_MINISBLACK)||(photometric==PHOTOMETRIC_MINISWHITE)){
			if	(bitspersample == 1){
				head.biBitCount=1;		//B&W image
				head.biClrUsed =2;
			} else if (bitspersample == 4) {
				head.biBitCount=4;		//16 colors gray scale
				head.biClrUsed =16;
			} else {
				head.biBitCount=8;		//gray scale
				head.biClrUsed =256;
			}
		} else if (bitspersample == 4) {
			head.biBitCount=4;			// 16 colors
			head.biClrUsed=16;
		} else {
			head.biBitCount=8;			//256 colors
			head.biClrUsed=256;
		}
	}

	if (info.nEscape) throw "Cancelled"; // <vho> - cancel decoding

	Create(width,height,head.biBitCount,CXIMAGE_FORMAT_TIF);	//image creation
	if (!pDib) throw "CxImageTIF can't create image";

#if CXIMAGE_SUPPORT_ALPHA
	if (samplesperpixel==4) AlphaCreate();	//add alpha support for 32bpp tiffs
	if (samplesperpixel==2 && bitspersample==8) AlphaCreate();	//add alpha support for 8bpp + alpha
#endif //CXIMAGE_SUPPORT_ALPHA

	TIFFGetField(m_tif, TIFFTAG_COMPRESSION, &compression);
	SetCodecOption(compression); // <DPR> save original compression type

	if (isRGB) {
		// Read the whole image into one big RGBA buffer using
		// the traditional TIFFReadRGBAImage() API that we trust.
		uint32* raster;		// retrieve RGBA image
		uint32 *row;

		raster = (uint32*)_TIFFmalloc(width * height * sizeof (uint32));
		if (raster == NULL) throw "No space for raster buffer";
			
		// Read the image in one chunk into an RGBA array
		if(!TIFFReadRGBAImage(m_tif, width, height, raster, 1)) {
				_TIFFfree(raster);
				throw "Corrupted TIFF file!";
		}

		// read the raster lines and save them in the DIB
		// with RGB mode, we have to change the order of the 3 samples RGB
		row = &raster[0];
		bits2 = info.pImage;
		for (y = 0; y < height; y++) {

			if (info.nEscape){ // <vho> - cancel decoding
				_TIFFfree(raster);
				throw "Cancelled";
			}

			bits = bits2;
			for (x = 0; x < width; x++) {
				*bits++ = (BYTE)TIFFGetB(row[x]);
				*bits++ = (BYTE)TIFFGetG(row[x]);
				*bits++ = (BYTE)TIFFGetR(row[x]);
#if CXIMAGE_SUPPORT_ALPHA
				if (samplesperpixel==4) AlphaSet(x,y,(BYTE)TIFFGetA(row[x]));
#endif //CXIMAGE_SUPPORT_ALPHA
			}
			row += width;
			bits2 += info.dwEffWidth;
		}
		_TIFFfree(raster);
	} else {
		RGBQUAD *pal;
		pal=(RGBQUAD*)calloc(256,sizeof(RGBQUAD));
		if (pal==NULL) throw "Unable to allocate TIFF palette";

		// set up the colormap based on photometric	
		switch(photometric) {
			case PHOTOMETRIC_MINISBLACK:	// bitmap and greyscale image types
			case PHOTOMETRIC_MINISWHITE:
				if (bitspersample == 1) {	// Monochrome image
					if (photometric == PHOTOMETRIC_MINISBLACK) {
						pal[1].rgbRed = pal[1].rgbGreen = pal[1].rgbBlue = 255;
					} else {
						pal[0].rgbRed = pal[0].rgbGreen = pal[0].rgbBlue = 255;
					}
				} else {		// need to build the scale for greyscale images
					if (photometric == PHOTOMETRIC_MINISBLACK) {
						for (DWORD i=0; i<head.biClrUsed; i++){
							pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = (BYTE)(i*(255/(head.biClrUsed-1)));
						}
					} else {
						for (DWORD i=0; i<head.biClrUsed; i++){
							pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = (BYTE)(255-i*(255/(head.biClrUsed-1)));
						}
					}
				}
				break;
			case PHOTOMETRIC_PALETTE:	// color map indexed
				uint16 *red;
				uint16 *green;
				uint16 *blue;
				TIFFGetField(m_tif, TIFFTAG_COLORMAP, &red, &green, &blue); 

				// Is the palette 16 or 8 bits ?
				BOOL Palette16Bits = FALSE;
				int n=1<<bitspersample;
				while (n-- > 0) {
					if (red[n] >= 256 || green[n] >= 256 || blue[n] >= 256) {
						Palette16Bits=TRUE;
						break;
					}
				}

				// load the palette in the DIB
				for (int i = (1 << bitspersample) - 1; i >= 0; i--) {
					if (Palette16Bits) {
						pal[i].rgbRed =(BYTE) CVT(red[i]);
						pal[i].rgbGreen = (BYTE) CVT(green[i]);
						pal[i].rgbBlue = (BYTE) CVT(blue[i]);           
					} else {
						pal[i].rgbRed = (BYTE) red[i];
						pal[i].rgbGreen = (BYTE) green[i];
						pal[i].rgbBlue = (BYTE) blue[i];        
					}
				}
				break;
		}
		SetPalette(pal,head.biClrUsed);	//palette assign
		free(pal);

		// read the tiff lines and save them in the DIB
		uint32 nrow;
		uint32 ys;
		int line = CalculateLine(width, bitspersample * samplesperpixel);
		long bitsize= TIFFStripSize(m_tif);
		//verify bitsize: could be wrong if StripByteCounts is missing.
		if (bitsize>(long)(head.biSizeImage*samplesperpixel)) bitsize=head.biSizeImage*samplesperpixel;

		int tiled_image = TIFFIsTiled(m_tif);
		uint32 tw, tl;
		BYTE* tilebuf;
		if (tiled_image){
			TIFFGetField(m_tif, TIFFTAG_TILEWIDTH, &tw);
			TIFFGetField(m_tif, TIFFTAG_TILELENGTH, &tl);
			rowsperstrip = tl;
			bitsize = TIFFTileSize(m_tif) * (int)(1+width/tw);
			tilebuf = (BYTE*)malloc(TIFFTileSize(m_tif));
		}
		
		bits = (BYTE*)malloc(bitsize);
		if (bits==NULL){
			throw "CxImageTIF can't allocate memory";
		}

		for (ys = 0; ys < height; ys += rowsperstrip) {

			if (info.nEscape){ // <vho> - cancel decoding
				free(bits);
				throw "Cancelled";
			}

			nrow = (ys + rowsperstrip > height ? height - ys : rowsperstrip);

			if (tiled_image){
				uint32 imagew = TIFFScanlineSize(m_tif);
				uint32 tilew  = TIFFTileRowSize(m_tif);
				int iskew = imagew - tilew;
				uint8* bufp = (uint8*) bits;

				uint32 colb = 0;
				for (uint32 col = 0; col < width; col += tw) {
					if (TIFFReadTile(m_tif, tilebuf, col, ys, 0, 0) < 0){
						free(tilebuf);
						free(bits);
						throw "Corrupted tiled TIFF file!";
					}

					if (colb + tw > imagew) {
						uint32 owidth = imagew - colb;
						uint32 oskew = tilew - owidth;
						TileToStrip(bufp + colb, tilebuf, nrow, owidth, oskew + iskew, oskew );
					} else {
						TileToStrip(bufp + colb, tilebuf, nrow, tilew, iskew, 0);
					}
					colb += tilew;
				}

			} else {
				if (TIFFReadEncodedStrip(m_tif, TIFFComputeStrip(m_tif, ys, 0), bits, nrow * line) == -1) {
					free(bits);
					throw "Corrupted TIFF file!";
				}
			}

			for (y = 0; y < nrow; y++) {
				long offset=(nrow-y-1)*line;
				if (bitspersample==16) for (DWORD xi=0;xi<width;xi++) bits[xi+offset]=bits[xi*2+offset+1];
				if (samplesperpixel==1) { //simple 8bpp image
					memcpy(info.pImage+info.dwEffWidth*(height-ys-nrow+y),bits+offset,info.dwEffWidth);
				} else if (samplesperpixel==2) { //8bpp image with alpha layer
					int xi=0;
					int ii=0;
					int yi=height-ys-nrow+y;
					while (ii<line){
						SetPixelIndex(xi,yi,bits[ii+offset]);
#if CXIMAGE_SUPPORT_ALPHA
						AlphaSet(xi,yi,bits[ii+offset+1]);
#endif //CXIMAGE_SUPPORT_ALPHA
						ii+=2;
						xi++;
						if (xi>=(int)width){
							yi--;
							xi=0;
						}
					}
				} else { //photometric==PHOTOMETRIC_CIELAB
					if (head.biBitCount!=24){ //fix image
						Create(width,height,24,CXIMAGE_FORMAT_TIF);
#if CXIMAGE_SUPPORT_ALPHA
						if (samplesperpixel==4) AlphaCreate();
#endif //CXIMAGE_SUPPORT_ALPHA
					}

					int xi=0;
					int ii=0;
					int yi=height-ys-nrow+y;
					RGBQUAD c;
					int l,a,b,bitsoffset;
					double p,cx,cy,cz,cr,cg,cb;
					while (ii<line){
						bitsoffset = ii*samplesperpixel+offset;
						l=bits[bitsoffset];
						a=bits[bitsoffset+1];
						b=bits[bitsoffset+2];
						if (a>127) a-=256;
						if (b>127) b-=256;
						// lab to xyz
						p = (l/2.55 + 16) / 116.0;
						cx = pow( p + a * 0.002, 3);
						cy = pow( p, 3);
						cz = pow( p - b * 0.005, 3);
						// white point
						cx*=0.95047;
						//cy*=1.000;
						cz*=1.0883;
						// xyz to rgb
						cr =  3.240479 * cx - 1.537150 * cy - 0.498535 * cz;
						cg = -0.969256 * cx + 1.875992 * cy + 0.041556 * cz;
						cb =  0.055648 * cx - 0.204043 * cy + 1.057311 * cz;

						if ( cr > 0.00304 ) cr = 1.055 * pow(cr,0.41667) - 0.055;
							else            cr = 12.92 * cr;
						if ( cg > 0.00304 ) cg = 1.055 * pow(cg,0.41667) - 0.055;
							else            cg = 12.92 * cg;
						if ( cb > 0.00304 ) cb = 1.055 * pow(cb,0.41667) - 0.055;
							else            cb = 12.92 * cb;

						c.rgbRed  =(BYTE)max(0,min(255,(int)(cr*255)));
						c.rgbGreen=(BYTE)max(0,min(255,(int)(cg*255)));
						c.rgbBlue =(BYTE)max(0,min(255,(int)(cb*255)));

						SetPixelColor(xi,yi,c);
#if CXIMAGE_SUPPORT_ALPHA
						if (samplesperpixel==4) AlphaSet(xi,yi,bits[bitsoffset+3]);
#endif //CXIMAGE_SUPPORT_ALPHA
						ii++;
						xi++;
						if (xi>=(int)width){
							yi--;
							xi=0;
						}
					}
				}
			}
		}
		free(bits);
		if (tiled_image) free(tilebuf);

		switch(orientation){
		case ORIENTATION_TOPRIGHT: /* row 0 top, col 0 rhs */
			Mirror();
			break;
		case ORIENTATION_BOTRIGHT: /* row 0 bottom, col 0 rhs */
			Flip();
			Mirror();
			break;
		case ORIENTATION_BOTLEFT: /* row 0 bottom, col 0 lhs */
			Flip();
			break;
		case ORIENTATION_LEFTTOP: /* row 0 lhs, col 0 top */
			RotateRight();
			Mirror();
			break;
		case ORIENTATION_RIGHTTOP: /* row 0 rhs, col 0 top */
			RotateLeft();
			break;
		case ORIENTATION_RIGHTBOT: /* row 0 rhs, col 0 bottom */
			RotateLeft();
			Mirror();
			break;
		case ORIENTATION_LEFTBOT: /* row 0 lhs, col 0 bottom */
			RotateRight();
			break;
		}

	}
  } catch (char *message) {
	  strncpy(info.szLastError,message,255);
	  if (m_tif) TIFFClose(m_tif);
	  if (info.nEscape==-1) return true;
	  return false;
  }
	TIFFClose(m_tif);
	return true;
}
////////////////////////////////////////////////////////////////////////////////
#if CXIMAGE_SUPPORT_ENCODE
////////////////////////////////////////////////////////////////////////////////
bool CxImageTIF::Encode(CxFile * hFile, bool bAppend)
{
  try{
	if (hFile==NULL) throw CXIMAGE_ERR_NOFILE;
	if (pDib==NULL) throw CXIMAGE_ERR_NOIMAGE;

	// <RJ> replaced "w+b" with "a", to append an image directly on an existing file
	if (m_tif2==NULL) m_tif2=_TIFFOpenEx(hFile, "a");
	if (m_tif2==NULL) throw "initialization fail";

	if (bAppend || m_pages) m_multipage=true;
	m_pages++;

	if (!EncodeBody(m_tif2,m_multipage,m_pages,m_pages)) throw "Error saving TIFF file";
	if (bAppend) {
		if (!TIFFWriteDirectory(m_tif2)) throw "Error saving TIFF directory";
	}
  } catch (char *message) {
	  strncpy(info.szLastError,message,255);
	  if (m_tif2){
		  TIFFClose(m_tif2);
		  m_tif2=NULL;
		  m_multipage=false;
		  m_pages=0;
	  }
	  return false;
  }
	if (!bAppend){
		TIFFClose(m_tif2);
		m_tif2=NULL;
		m_multipage=false;
		m_pages=0;
	}
	return true;
}
////////////////////////////////////////////////////////////////////////////////
// Thanks to Abe <God(dot)bless(at)marihuana(dot)com>
bool CxImageTIF::Encode(CxFile * hFile, CxImage ** pImages, int pagecount)
{
  try{
	if (hFile==NULL) throw "invalid file pointer";
	if (pImages==NULL || pagecount==0) throw "multipage TIFF, no images!";

	CxImageTIF ghost;
	for (int i=1; i<=pagecount; i++){
		if (pImages[i-1]==NULL) throw "Bad image pointer";
		ghost.Ghost(pImages[i-1]);
		if (!ghost.Encode(hFile,true)) throw "Error saving TIFF file";
	}
  } catch (char *message) {
	  strncpy(info.szLastError,message,255);
	  return false;
  }
	return true;
}
////////////////////////////////////////////////////////////////////////////////
bool CxImageTIF::EncodeBody(TIFF *m_tif, bool multipage, int page, int pagecount)
{
	uint32 height=head.biHeight;
	uint32 width=head.biWidth;
	uint16 bitcount=head.biBitCount;
	uint16 bitspersample;
	uint16 samplesperpixel;
	uint16 photometric=0;
	uint16 compression;
//	uint16 pitch;
//	int line;
	uint32 x, y;

	samplesperpixel = ((bitcount == 24) || (bitcount == 32)) ? (BYTE)3 : (BYTE)1;
#if CXIMAGE_SUPPORT_ALPHA
	if (bitcount==24 && AlphaIsValid()) { bitcount=32; samplesperpixel=4; }
#endif //CXIMAGE_SUPPORT_ALPHA

	bitspersample = bitcount / samplesperpixel;

	//set the PHOTOMETRIC tag
	RGBQUAD *rgb = GetPalette();
	switch (bitcount) {
		case 1:
			if (CompareColors(&rgb[0],&rgb[1])<0) {
				/* <abe> some viewers do not handle PHOTOMETRIC_MINISBLACK:
				 * let's transform the image in PHOTOMETRIC_MINISWHITE
				 */
				//invert the colors
				RGBQUAD tempRGB=GetPaletteColor(0);
				SetPaletteColor(0,GetPaletteColor(1));
				SetPaletteColor(1,tempRGB);
				//invert the pixels
				BYTE *iSrc=info.pImage;
				for (unsigned long i=0;i<head.biSizeImage;i++){
					*iSrc=(BYTE)~(*(iSrc));
					iSrc++;
				}
				photometric = PHOTOMETRIC_MINISWHITE;
				//photometric = PHOTOMETRIC_MINISBLACK;
			} else {
				photometric = PHOTOMETRIC_MINISWHITE;
			}
			break;
		case 4:	// Check if the DIB has a color or a greyscale palette
		case 8:
			photometric = PHOTOMETRIC_MINISBLACK; //default to gray scale
			for (x = 0; x < head.biClrUsed; x++) {
				if ((rgb->rgbRed != x)||(rgb->rgbRed != rgb->rgbGreen)||(rgb->rgbRed != rgb->rgbBlue)){
					photometric = PHOTOMETRIC_PALETTE;
					break;
				}
				rgb++;
			}
			break;
		case 24:
		case 32:
			photometric = PHOTOMETRIC_RGB;			
			break;
	}

#if CXIMAGE_SUPPORT_ALPHA
	if (AlphaIsValid() && bitcount==8) samplesperpixel=2; //8bpp + alpha layer
#endif //CXIMAGE_SUPPORT_ALPHA

//	line = CalculateLine(width, bitspersample * samplesperpixel);
//	pitch = (uint16)CalculatePitch(line);

	//prepare the palette struct
	RGBQUAD pal[256];
	if (GetPalette()){
		BYTE b;
		memcpy(pal,GetPalette(),GetPaletteSize());
		for(WORD a=0;a<head.biClrUsed;a++){	//swap blue and red components
			b=pal[a].rgbBlue; pal[a].rgbBlue=pal[a].rgbRed; pal[a].rgbRed=b;
		}
	}

	// handle standard width/height/bpp stuff
	TIFFSetField(m_tif, TIFFTAG_IMAGEWIDTH, width);
	TIFFSetField(m_tif, TIFFTAG_IMAGELENGTH, height);
	TIFFSetField(m_tif, TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
	TIFFSetField(m_tif, TIFFTAG_BITSPERSAMPLE, bitspersample);
	TIFFSetField(m_tif, TIFFTAG_PHOTOMETRIC, photometric);
	TIFFSetField(m_tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);	// single image plane 
	TIFFSetField(m_tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);

	uint32 rowsperstrip = TIFFDefaultStripSize(m_tif, (uint32) -1);  //<REC> gives better compression
	TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);

	// handle metrics
	TIFFSetField(m_tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
	TIFFSetField(m_tif, TIFFTAG_XRESOLUTION, (float)info.xDPI);
	TIFFSetField(m_tif, TIFFTAG_YRESOLUTION, (float)info.yDPI);
//	TIFFSetField(m_tif, TIFFTAG_XPOSITION, (float)info.xOffset);
//	TIFFSetField(m_tif, TIFFTAG_YPOSITION, (float)info.yOffset);

	// multi-paging - Thanks to Abe <God(dot)bless(at)marihuana(dot)com>
	if (multipage)
	{
		char page_number[20];
		sprintf(page_number, "Page %d", page);

		TIFFSetField(m_tif, TIFFTAG_SUBFILETYPE, FILETYPE_PAGE);
		TIFFSetField(m_tif, TIFFTAG_PAGENUMBER, page,pagecount);
		TIFFSetField(m_tif, TIFFTAG_PAGENAME, page_number);
	} else {
		TIFFSetField(m_tif, TIFFTAG_SUBFILETYPE, 0);
	}

	// palettes (image colormaps are automatically scaled to 16-bits)
	if (photometric == PHOTOMETRIC_PALETTE) {
		uint16 *r, *g, *b;
		r = (uint16 *) _TIFFmalloc(sizeof(uint16) * 3 * 256);
		g = r + 256;
		b = g + 256;

		for (int i = 255; i >= 0; i--) {
			b[i] = (uint16)SCALE((uint16)pal[i].rgbRed);
			g[i] = (uint16)SCALE((uint16)pal[i].rgbGreen);
			r[i] = (uint16)SCALE((uint16)pal[i].rgbBlue);
		}

		TIFFSetField(m_tif, TIFFTAG_COLORMAP, r, g, b);
		_TIFFfree(r);
	}

	// compression
	if (GetCodecOption(CXIMAGE_FORMAT_TIF)) {
		compression = (WORD)GetCodecOption(CXIMAGE_FORMAT_TIF);
	} else {
		switch (bitcount) {
			case 1 :
				compression = COMPRESSION_CCITTFAX4;
				break;
			case 4 :
			case 8 :
				compression = COMPRESSION_LZW;
				break;
			case 24 :
			case 32 :
				compression = COMPRESSION_JPEG;
				break;
			default :
				compression = COMPRESSION_NONE;
				break;
		}
	}
	TIFFSetField(m_tif, TIFFTAG_COMPRESSION, compression);

	switch (compression) {
	case COMPRESSION_JPEG:
		TIFFSetField(m_tif, TIFFTAG_JPEGQUALITY, info.nQuality);
		TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, ((7+rowsperstrip)>>3)<<3);
   		break;
	case COMPRESSION_LZW:
		if (bitcount>=8) TIFFSetField(m_tif, TIFFTAG_PREDICTOR, 2);
		break;
	}

	// read the DIB lines from bottom to top and save them in the TIF

	BYTE *bits;
	switch(bitcount) {				
		case 1 :
		case 4 :
		case 8 :
		{
			if (samplesperpixel==1){
				for (y = 0; y < height; y++) {
					bits= info.pImage + (height - y - 1)*info.dwEffWidth;
					if (TIFFWriteScanline(m_tif,bits, y, 0)==-1) return false;
				}
			}
#if CXIMAGE_SUPPORT_ALPHA
			else { //8bpp + alpha layer
				bits = (BYTE*)malloc(2*width);
				if (!bits) return false;
				for (y = 0; y < height; y++) {
					for (x=0;x<width;x++){
						bits[2*x]=GetPixelIndex(x,height - y - 1);
						bits[2*x+1]=AlphaGet(x,height - y - 1);
					}
					if (TIFFWriteScanline(m_tif,bits, y, 0)==-1) {
						free(bits);
						return false;
					}
				}
				free(bits);
			}
#endif //CXIMAGE_SUPPORT_ALPHA
			break;
		}				
		case 24:
		{
			BYTE *buffer = (BYTE *)malloc(info.dwEffWidth);
			if (!buffer) return false;
			for (y = 0; y < height; y++) {
				// get a pointer to the scanline
				memcpy(buffer, info.pImage + (height - y - 1)*info.dwEffWidth, info.dwEffWidth);
				// TIFFs store color data RGB instead of BGR
				BYTE *pBuf = buffer;
				for (x = 0; x < width; x++) {
					BYTE tmp = pBuf[0];
					pBuf[0] = pBuf[2];
					pBuf[2] = tmp;
					pBuf += 3;
				}
				// write the scanline to disc
				if (TIFFWriteScanline(m_tif, buffer, y, 0)==-1){
					free(buffer);
					return false;
				}
			}
			free(buffer);
			break;
		}				
		case 32 :
		{
#if CXIMAGE_SUPPORT_ALPHA
			BYTE *buffer = (BYTE *)malloc((info.dwEffWidth*4)/3);
			if (!buffer) return false;
			for (y = 0; y < height; y++) {
				// get a pointer to the scanline
				memcpy(buffer, info.pImage + (height - y - 1)*info.dwEffWidth, info.dwEffWidth);
				// TIFFs store color data RGB instead of BGR
				BYTE *pSrc = buffer + 3 * width;
				BYTE *pDst = buffer + 4 * width;
				for (x = 0; x < width; x++) {
					pDst-=4;
					pSrc-=3;
					pDst[3] = AlphaGet(width-x-1,height-y-1);
					pDst[2] = pSrc[0];
					pDst[1] = pSrc[1];
					pDst[0] = pSrc[2];
				}
				// write the scanline to disc
				if (TIFFWriteScanline(m_tif, buffer, y, 0)==-1){
					free(buffer);
					return false;
				}
			}
			free(buffer);
#endif //CXIMAGE_SUPPORT_ALPHA
			break;
		}				
	}
	return true;
}
////////////////////////////////////////////////////////////////////////////////
#endif // CXIMAGE_SUPPORT_ENCODE
////////////////////////////////////////////////////////////////////////////////
void CxImageTIF::TileToStrip(uint8* out, uint8* in,	uint32 rows, uint32 cols, int outskew, int inskew)
{
	while (rows-- > 0) {
		uint32 j = cols;
		while (j-- > 0)
			*out++ = *in++;
		out += outskew;
		in += inskew;
	}
}
////////////////////////////////////////////////////////////////////////////////
TIFF* CxImageTIF::TIFFOpenEx(CxFile * hFile)
{
	if (hFile) return _TIFFOpenEx(hFile, "rb");
	return NULL;
}
////////////////////////////////////////////////////////////////////////////////
void CxImageTIF::TIFFCloseEx(TIFF* tif)
{
	if (tif) TIFFClose(tif);
}
////////////////////////////////////////////////////////////////////////////////
#endif // CXIMAGE_SUPPORT_TIF

--- NEW FILE: ximatif.h ---
/*
 * File:	ximatif.h
 * Purpose:	TIFF Image Class Loader and Writer
 */
/* ==========================================================
 * CxImageTIF (c) 07/Aug/2001 Davide Pizzolato - www.xdp.it
 * For conditions of distribution and use, see copyright notice in ximage.h
 *
 * Special thanks to Troels Knakkergaard for new features, enhancements and bugfixes
 *
 * Special thanks to Abe <God(dot)bless(at)marihuana(dot)com> for MultiPageTIFF code.
 *
 * LibTIFF is:
 * Copyright (c) 1988-1997 Sam Leffler
 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
 * ==========================================================
 */

#if !defined(__ximatif_h)
#define __ximatif_h

#include "ximage.h"

#if CXIMAGE_SUPPORT_TIF

#include "../tiff/tiffio.h"

class DLL_EXP CxImageTIF: public CxImage
{
public:
	CxImageTIF(): CxImage(CXIMAGE_FORMAT_TIF) {m_tif2=NULL; m_multipage=false; m_pages=0;}
	~CxImageTIF();

	TIFF* TIFFOpenEx(CxFile * hFile);
	void  TIFFCloseEx(TIFF* tif);

//	bool Load(const char * imageFileName){ return CxImage::Load(imageFileName,CXIMAGE_FORMAT_TIF);}
//	bool Save(const char * imageFileName){ return CxImage::Save(imageFileName,CXIMAGE_FORMAT_TIF);}
	bool Decode(CxFile * hFile);
	bool Decode(FILE *hFile) { CxIOFile file(hFile); return Decode(&file); }

#if CXIMAGE_SUPPORT_ENCODE
	bool Encode(CxFile * hFile, bool bAppend=false);
	bool Encode(CxFile * hFile, CxImage ** pImages, int pagecount);
	bool Encode(FILE *hFile, bool bAppend=false) { CxIOFile file(hFile); return Encode(&file,bAppend); }
	bool Encode(FILE *hFile, CxImage ** pImages, int pagecount)
				{ CxIOFile file(hFile); return Encode(&file, pImages, pagecount); }
#endif // CXIMAGE_SUPPORT_ENCODE

protected:
	void TileToStrip(uint8* out, uint8* in,	uint32 rows, uint32 cols, int outskew, int inskew);
	bool EncodeBody(TIFF *m_tif, bool multipage=false, int page=0, int pagecount=0);
	TIFF *m_tif2;
	bool m_multipage;
	int  m_pages;
};

#endif

#endif

--- NEW FILE: ximath.cpp ---
#include "ximage.h"
#include "ximath.h"
#include <math.h>

//this module should contain some classes for geometrical transformations
//usable with selections, etc... once it's done, that is. :)

CxPoint2::CxPoint2()
{
  x=y=0.0f;
}

CxPoint2::CxPoint2(float const x_, float const y_)
{
  x=x_;
  y=y_;
}

CxPoint2::CxPoint2(CxPoint2 const &p)
{
  x=p.x;
  y=p.y;
}

float CxPoint2::Distance(CxPoint2 const p2)
{
  return (float)sqrt((x-p2.x)*(x-p2.x)+(y-p2.y)*(y-p2.y));
}

float CxPoint2::Distance(float const x_, float const y_)
{
  return (float)sqrt((x-x_)*(x-x_)+(y-y_)*(y-y_));
}

CxRect2::CxRect2()
{
}

CxRect2::CxRect2(float const x1_, float const y1_, float const x2_, float const y2_)
{
  botLeft.x=x1_;
  botLeft.y=y1_;
  topRight.x=x2_;
  topRight.y=y2_;
}

CxRect2::CxRect2(CxRect2 const &p)
{
  botLeft=p.botLeft;
  topRight=p.topRight;
}

float CxRect2::Surface() const
/*
 * Returns the surface of rectangle.
 */
{
  return (topRight.x-botLeft.x)*(topRight.y-botLeft.y);
}

CxRect2 CxRect2::CrossSection(CxRect2 const &r2) const
/*
 * Returns crossection with another rectangle.
 */
{
  CxRect2 cs;
  cs.botLeft.x=max(botLeft.x, r2.botLeft.x);
  cs.botLeft.y=max(botLeft.y, r2.botLeft.y);
  cs.topRight.x=min(topRight.x, r2.topRight.x);
  cs.topRight.y=min(topRight.y, r2.topRight.y);
  if (cs.botLeft.x<=cs.topRight.x && cs.botLeft.y<=cs.topRight.y) {
    return cs;
  } else {
    return CxRect2(0,0,0,0);
  }//if
}

CxPoint2 CxRect2::Center() const
/*
 * Returns the center point of rectangle.
 */
{
  return CxPoint2((topRight.x+botLeft.x)/2.0f, (topRight.y+botLeft.y)/2.0f);
}

float CxRect2::Width() const
//returns rectangle width
{
  return topRight.x-botLeft.x;
}

float CxRect2::Height() const
//returns rectangle height
{
  return topRight.y-botLeft.y;
}


--- NEW FILE: ximasel.cpp ---
// xImaSel.cpp : Selection functions
/* 07/08/2001 v1.00 - Davide Pizzolato - www.xdp.it
 * CxImage version 5.99c 17/Oct/2004
 */

#include "ximage.h"

#if CXIMAGE_SUPPORT_SELECTION

////////////////////////////////////////////////////////////////////////////////
/**
 * Checks if the image has a valid selection.
 */
bool CxImage::SelectionIsValid()
{
	return pSelection!=0;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Gets the smallest rectangle that contains the selection 
 */
void CxImage::SelectionGetBox(RECT& r)
{
	memcpy(&r,&info.rSelectionBox,sizeof(RECT));
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Empties the selection.
 */
bool CxImage::SelectionClear()
{
	if (pSelection){
		memset(pSelection,0,head.biWidth * head.biHeight);
		info.rSelectionBox.left = head.biWidth;
		info.rSelectionBox.bottom = head.biHeight;
		info.rSelectionBox.right = info.rSelectionBox.top = 0;
		return true;
	}
	return false;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Allocates an empty selection.
 */
bool CxImage::SelectionCreate()
{
	SelectionDelete();
	pSelection = (BYTE*)calloc(head.biWidth * head.biHeight, 1);
	return (pSelection!=0);
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Deallocates the selction.
 */
bool CxImage::SelectionDelete()
{
	if (pSelection){ free(pSelection); pSelection=NULL; }
	info.rSelectionBox.left = head.biWidth;
	info.rSelectionBox.bottom = head.biHeight;
	info.rSelectionBox.right = info.rSelectionBox.top = 0;
	return true;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Checks if the coordinates are inside the selection.
 */
bool CxImage::SelectionIsInside(long x, long y)
{
	if (IsInside(x,y)){
		if (pSelection==NULL) return true;
		return pSelection[x+y*head.biWidth]!=0;
	}
	return false;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Adds a rectangle to the existing selection.
 */
bool CxImage::SelectionAddRect(RECT r)
{
	if (pSelection==NULL) SelectionCreate();
	if (pSelection==NULL) return false;

	RECT r2;
	if (r.left<r.right) {r2.left=r.left; r2.right=r.right; } else {r2.left=r.right ; r2.right=r.left; }
	if (r.bottom<r.top) {r2.bottom=r.bottom; r2.top=r.top; } else {r2.bottom=r.top ; r2.top=r.bottom; }

	if (info.rSelectionBox.top < r2.top) info.rSelectionBox.top = max(0L,min(head.biHeight,r2.top));
	if (info.rSelectionBox.left > r2.left) info.rSelectionBox.left = max(0L,min(head.biWidth,r2.left));
	if (info.rSelectionBox.right < r2.right) info.rSelectionBox.right = max(0L,min(head.biWidth,r2.right));
	if (info.rSelectionBox.bottom > r2.bottom) info.rSelectionBox.bottom = max(0L,min(head.biHeight,r2.bottom));

	long ymin = max(0L,min(head.biHeight,r2.bottom));
	long ymax = max(0L,min(head.biHeight,r2.top));
	long xmin = max(0L,min(head.biWidth,r2.left));
	long xmax = max(0L,min(head.biWidth,r2.right));

	for (long y=ymin; y<ymax; y++)
		memset(pSelection + xmin + y * head.biWidth, 255, xmax-xmin);

	return true;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Adds an ellipse to the existing selection.
 */
bool CxImage::SelectionAddEllipse(RECT r)
{
	if (pSelection==NULL) SelectionCreate();
	if (pSelection==NULL) return false;

	long xradius = abs(r.right - r.left)/2;
	long yradius = abs(r.top - r.bottom)/2;
	if (xradius==0 || yradius==0) return false;

	long xcenter = (r.right + r.left)/2;
	long ycenter = (r.top + r.bottom)/2;

	if (info.rSelectionBox.left > (xcenter - xradius)) info.rSelectionBox.left = max(0L,min(head.biWidth,(xcenter - xradius)));
	if (info.rSelectionBox.right < (xcenter + xradius)) info.rSelectionBox.right = max(0L,min(head.biWidth,(xcenter + xradius)));
	if (info.rSelectionBox.bottom > (ycenter - yradius)) info.rSelectionBox.bottom = max(0L,min(head.biHeight,(ycenter - yradius)));
	if (info.rSelectionBox.top < (ycenter + yradius)) info.rSelectionBox.top = max(0L,min(head.biHeight,(ycenter + yradius)));

	long xmin = max(0L,min(head.biWidth,xcenter - xradius));
	long xmax = max(0L,min(head.biWidth,xcenter + xradius));
	long ymin = max(0L,min(head.biHeight,ycenter - yradius));
	long ymax = max(0L,min(head.biHeight,ycenter + yradius));

	long y,yo;
	for (y=ymin; y<ycenter; y++){
		for (long x=xmin; x<xmax; x++){
			yo = (long)(ycenter - yradius * sqrt(1-pow((float)(x - xcenter)/(float)xradius,2)));
			if (yo<y) pSelection[x + y * head.biWidth] = 255;
		}
	}
	for (y=ycenter; y<ymax; y++){
		for (long x=xmin; x<xmax; x++){
			yo = (long)(ycenter + yradius * sqrt(1-pow((float)(x - xcenter)/(float)xradius,2)));
			if (yo>y) pSelection[x + y * head.biWidth] = 255;
		}
	}
	return true;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Inverts the selection.
 */
bool CxImage::SelectionInvert()
{
	if (pSelection) {
		BYTE *iSrc=pSelection;
		long n=head.biHeight*head.biWidth;
		for(long i=0; i < n; i++){
			*iSrc=(BYTE)~(*(iSrc));
			iSrc++;
		}
		return true;
	}
	return false;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Imports an existing region from another image with the same width and height.
 */
bool CxImage::SelectionCopy(CxImage &from)
{
	if (from.pSelection == NULL || head.biWidth != from.head.biWidth || head.biHeight != from.head.biHeight) return false;
	if (pSelection==NULL) pSelection = (BYTE*)malloc(head.biWidth * head.biHeight);
	if (pSelection==NULL) return false;
	memcpy(pSelection,from.pSelection,head.biWidth * head.biHeight);
	memcpy(&info.rSelectionBox,&from.info.rSelectionBox,sizeof(RECT));
	return true;
}
////////////////////////////////////////////////////////////////////////////////
/**
 * Adds a polygonal region to the existing selection. points points to an array of POINT structures.
 * Each structure specifies the x-coordinate and y-coordinate of one vertex of the polygon.
 * npoints specifies the number of POINT structures in the array pointed to by points.
 */
bool CxImage::SelectionAddPolygon(POINT *points, long npoints)
{
	if (points==NULL || npoints<3) return false;

	if (pSelection==NULL) SelectionCreate();
	if (pSelection==NULL) return false;

	BYTE* plocal = (BYTE*)calloc(head.biWidth*head.biHeight, 1);
	RECT localbox = {head.biWidth,0,0,head.biHeight};

	long x,y,i=0;
	POINT *current,*next,*start;
	//trace contour
	while (i < npoints){
		current = &points[i];
		if (current->x!=-1){
			if (i==0 || (i>0 && points[i-1].x==-1)) start = &points[i];

			if ((i+1)==npoints || points[i+1].x==-1)
				next = start;
			else
				next = &points[i+1];

			float beta;
			if (current->x != next->x){
				beta = (float)(next->y - current->y)/(float)(next->x - current->x);
				if (current->x < next->x){
					for (x=current->x; x<=next->x; x++){
						y = (long)(current->y + (x - current->x) * beta);
						if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255;
					}
				} else {
					for (x=current->x; x>=next->x; x--){
						y = (long)(current->y + (x - current->x) * beta);
						if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255;
					}
				}
			}
			if (current->y != next->y){
				beta = (float)(next->x - current->x)/(float)(next->y - current->y);
				if (current->y < next->y){
					for (y=current->y; y<=next->y; y++){
						x = (long)(current->x + (y - current->y) * beta);
						if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255;
					}
				} else {
					for (y=current->y; y>=next->y; y--){
						x = (long)(current->x + (y - current->y) * beta);
						if (IsInside(x,y)) plocal[x + y * head.biWidth] = 255;
					}
				}
			}
		}

		RECT r2;
		if (current->x < next->x) {r2.left=current->x; r2.right=next->x; } else {r2.left=next->x ; r2.right=current->x; }
		if (current->y < next->y) {r2.bottom=current->y; r2.top=next->y; } else {r2.bottom=next->y ; r2.top=current->y; }
		if (localbox.top < r2.top) localbox.top = max(0L,min(head.biHeight-1,r2.top+1));
		if (localbox.left > r2.left) localbox.left = max(0L,min(head.biWidth-1,r2.left-1));
		if (localbox.right < r2.right) localbox.right = max(0L,min(head.biWidth-1,r2.right+1));
		if (localbox.bottom > r2.bottom) localbox.bottom = max(0L,min(head.biHeight-1,r2.bottom-1));

		i++;
	}

	//fill the outer region
	long npix=(localbox.right - localbox.left)*(localbox.top - localbox.bottom);
	POINT* pix = (POINT*)calloc(npix,sizeof(POINT));
	BYTE back=0, mark=1;
	long fx, fy, fxx, fyy, first, last,xmin,xmax,ymin,ymax;

	for (int side=0; side<4; side++){
		switch(side){
		case 0:
			xmin=localbox.left; xmax=localbox.right+1; ymin=localbox.bottom; ymax=localbox.bottom+1;
			break;
		case 1:
			xmin=localbox.right; xmax=localbox.right+1; ymin=localbox.bottom; ymax=localbox.top+1;
			break;
		case 2:
			xmin=localbox.left; xmax=localbox.right+1; ymin=localbox.top; ymax=localbox.top+1;
			break;
		case 3:
			xmin=localbox.left; xmax=localbox.left+1; ymin=localbox.bottom; ymax=localbox.top+1;
			break;
		}
		//fill from the border points
		for(y=ymin;y<ymax;y++){
			for(x=xmin;x<xmax;x++){
				if (plocal[x+y*head.biWidth]==0){
					// Subject: FLOOD FILL ROUTINE              Date: 12-23-97 (00:57)       
					// Author:  Petter Holmberg                 Code: QB, QBasic, PDS        
					// Origin:  pet...@us...         Packet: GRAPHICS.ABC
					first=0;
					last=1;
					while(first!=last){
						fx = pix[first].x;
						fy = pix[first].y;
						fxx = fx + x;
						fyy = fy + y;
						do {
							if ((plocal[fxx + fyy*head.biWidth] == back) &&
								fxx>=localbox.left && fxx<=localbox.right && fyy>=localbox.bottom && fyy<=localbox.top )
							{
								plocal[fxx + fyy*head.biWidth] = mark;
								if (fyy > 0 && plocal[fxx + (fyy - 1)*head.biWidth] == back){
									pix[last].x = fx;
									pix[last].y = fy - 1;
									last++;
									if (last == npix) last = 0;
								}
								if ((fyy + 1)<head.biHeight && plocal[fxx + (fyy + 1)*head.biWidth] == back){
									pix[last].x = fx;
									pix[last].y = fy + 1;
									last++;
									if (last == npix) last = 0;
								}
							} else {
								break;
							}
							fx++;
							fxx++;
						} while(1);

						fx = pix[first].x - 1;
						fy = pix[first].y;
						fxx = fx + x;
						fyy = fy + y;

						do {
							if ((plocal[fxx + fyy*head.biWidth] == back) &&
								fxx>=localbox.left && fxx<=localbox.right && fyy>=localbox.bottom && fyy<=localbox.top )
							{
								plocal[fxx + (y + fy)*head.biWidth] = mark;
								if (fyy > 0 && plocal[fxx + (fyy - 1)*head.biWidth] == back){
									pix[last].x = fx;
									pix[last].y = fy - 1;
									last++;
									if (last == npix) last = 0;
								}
								if ((fyy + 1)<head.biHeight && plocal[fxx + (fyy + 1)*head.biWidth] == back){
									pix[last].x = fx;
									pix[last].y = fy + 1;
									last++;
									if (last == npix) last = 0;
								}
							} else {
								break;
							}
							fx--;
							fxx--;
						} while(1);
						
						first++;
						if (first == npix) first = 0;
					}
				}
			}
		}
	}

	//transfer the region
	long yoffset;
	for (y=localbox.bottom; y<=localbox.top; y++){
		yoffset = y * head.biWidth;
		for (x=localbox.left; x<=localbox.right; x++)
			if (plocal[x + yoffset]!=1) pSelection[x + yoffset]=255;
	}
	if (info.rSelectionBox.top < localbox.top) info.rSelectionBox.top = localbox.top+1;
	if (info.rSelectionBox.left > localbox.left) info.rSelectionBox.left = localbox.left;
	if (info.rSelection...
 
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