void CurveLines::Init( class NavDebugDraw* drawtool )
{
Draw_ = drawtool;
Index_ = 0;
m_NumVerts = 0; //MAX_DRAWLINE;
AddPoint(vec3_zero);
CalculateLine();
}
LRESULT CTestDlg::OnBnClickedButton5(WORD /*wNotifyCode*/, WORD /*wID*/, HWND /*hWndCtl*/, BOOL& /*bHandled*/)
{
bool bRtn = true;
HANDLE hf = INVALID_HANDLE_VALUE;
HANDLE hf2 = INVALID_HANDLE_VALUE;
try
{
hf = CreateFile(_T("E:\\DumpSurface2.temp"),
GENERIC_READ ,
(DWORD) 0,
NULL,
OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL,
(HANDLE) NULL);
if (hf == INVALID_HANDLE_VALUE)
{
throw FALSE;
}
DDSURFACEDESC2 ddsd;
DWORD cbRead = 0;
ReadFile(hf,&ddsd,sizeof(ddsd),&cbRead,0);
CFileMappingBitmap file;
file.Create(ddsd.dwWidth,ddsd.dwHeight,ddsd.ddpfPixelFormat.dwRGBBitCount,0,0,_T("1268-1-74EF6127C-0846-4c63-8EAE-6C2DF379A618"));
BYTE*pPointer = (BYTE*)file.GetImagePointer();
int pitch = CalculatePitch(CalculateLine(ddsd.dwWidth,ddsd.ddpfPixelFormat.dwRGBBitCount));
while ( ReadFile(hf,pPointer,pitch,&cbRead,0) )
{
SetFilePointer(hf,ddsd.lPitch - pitch,0,FILE_CURRENT );
pPointer += pitch;
}
hf2 = CreateFile(_T("E:\\DumpSurface2.bmp"),
GENERIC_READ | GENERIC_WRITE,
(DWORD) 0,
NULL,
CREATE_ALWAYS,
FILE_ATTRIBUTE_NORMAL,
(HANDLE) NULL);
WriteFile(hf2,file.GetFilePointer(),file.GetFileSize(),&cbRead,0);
}
catch(bool b1)
{
bRtn = b1;
}
CloseHandle(hf);
CloseHandle(hf2);
return 0;
}
/**
Calculate the size of a FreeImage image.
Align the palette and the pixels on a FIBITMAP_ALIGNMENT bytes alignment boundary.
*/
static unsigned
FreeImage_GetImageSize(int width, int height, int bpp) {
unsigned dib_size = sizeof(FREEIMAGEHEADER);
dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0);
dib_size += FIBITMAP_ALIGNMENT - sizeof(BITMAPINFOHEADER) % FIBITMAP_ALIGNMENT;
dib_size += sizeof(BITMAPINFOHEADER);
// palette is aligned on a 16 bytes boundary
dib_size += sizeof(RGBQUAD) * CalculateUsedPaletteEntries(bpp);
dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0);
// pixels are aligned on a 16 bytes boundary
dib_size += CalculatePitch(CalculateLine(width, bpp)) * height;
return dib_size;
}
/**
Calculate the size of a FreeImage image.
Align the palette and the pixels on a FIBITMAP_ALIGNMENT bytes alignment boundary.
This function includes a protection against malicious images, based on a KISS integer overflow detection mechanism.
@param header_only If TRUE, calculate a 'header only' FIBITMAP size, otherwise calculate a full FIBITMAP size
@param width Image width
@param height Image height
@param bpp Number of bits-per-pixel
@param need_masks We only store the masks (and allocate memory for them) for 16-bit images of type FIT_BITMAP
@return Returns a size in BYTE units
@see FreeImage_AllocateBitmap
*/
static size_t
FreeImage_GetInternalImageSize(BOOL header_only, unsigned width, unsigned height, unsigned bpp, BOOL need_masks) {
size_t dib_size = sizeof(FREEIMAGEHEADER);
dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0);
dib_size += FIBITMAP_ALIGNMENT - sizeof(BITMAPINFOHEADER) % FIBITMAP_ALIGNMENT;
dib_size += sizeof(BITMAPINFOHEADER);
// palette is aligned on a 16 bytes boundary
dib_size += sizeof(RGBQUAD) * CalculateUsedPaletteEntries(bpp);
// we both add palette size and masks size if need_masks is true, since CalculateUsedPaletteEntries
// always returns 0 if need_masks is true (which is only true for 16 bit images).
dib_size += need_masks ? sizeof(DWORD) * 3 : 0;
dib_size += (dib_size % FIBITMAP_ALIGNMENT ? FIBITMAP_ALIGNMENT - dib_size % FIBITMAP_ALIGNMENT : 0);
if(!header_only) {
const size_t header_size = dib_size;
// pixels are aligned on a 16 bytes boundary
dib_size += (size_t)CalculatePitch(CalculateLine(width, bpp)) * (size_t)height;
// check for possible malloc overflow using a KISS integer overflow detection mechanism
{
const double dPitch = floor( ((double)bpp * width + 31.0) / 32.0 ) * 4.0;
const double dImageSize = (double)header_size + dPitch * height;
if(dImageSize != (double)dib_size) {
// here, we are sure to encounter a malloc overflow: try to avoid it ...
return 0;
}
/*
The following constant take into account the additionnal memory used by
aligned malloc functions as well as debug malloc functions.
It is supposed here that using a (8 * FIBITMAP_ALIGNMENT) risk margin will be enough
for the target compiler.
*/
const double FIBITMAP_MAX_MEMORY = (double)((size_t)-1) - 8 * FIBITMAP_ALIGNMENT;
if(dImageSize > FIBITMAP_MAX_MEMORY) {
// avoid possible overflow inside C allocation functions
return 0;
}
}
}
return dib_size;
}
bool CScreenBuffer::Create(HDC hDev,const RECT & rc,LPCTSTR szName )
{
TrackDebugOut;
Destroy();
m_hMemDC = CreateCompatibleDC(hDev);
if(m_hMemDC == NULL){
DebugOutF(filelog::log_error,("CreateCompatibleDC failed with %d"),GetLastError() );
return false;
}
RECT rcscreen = GetDCRect(hDev);
RECT rcdest;
IntersectRect(&rcdest,&rcscreen,&rc);
LONG lWidth = rcdest.right - rcdest.left;
LONG lHeight = rcdest.bottom - rcdest.top;
LONG lBitsPPix = 32;//GetDeviceCaps(hDev,BITSPIXEL);
LONG dwImageSize = lHeight*CalculatePitch(CalculateLine(lWidth,lBitsPPix));
// save [bmp file header] + [bmp info header] + [bmp data] to the file mapping object
//DWORD filesize = 0;
LONG biClrUsed = 0;
RGBQUAD rgbquad[256];
if (lBitsPPix < 16)
{
TrackDebugOut;
biClrUsed = GetDIBColorTable(hDev,0,256,rgbquad);
}
if(!CFileMappingBitmap::Create(lWidth,lHeight,lBitsPPix,biClrUsed,rgbquad,szName))
{
return false;
}
m_hBmp = CreateDIBSection(m_hMemDC,(BITMAPINFO*)InfoHeader(),DIB_RGB_COLORS, (void**)&m_pBuff, GetHandle(), FileHeader()->bfOffBits);
if(m_hBmp == NULL){
DebugOutF(filelog::log_error,("CreateDIBSection failed %d"),GetLastError() );
return false;
}
SelectObject(m_hMemDC,m_hBmp);
//HDC hdc = GetDC(0);
BitBlt(m_hMemDC,0,0,rcdest.right-rcdest.left,rcdest.bottom-rcdest.top,hDev,rcdest.left,rcdest.top,SRCCOPY|CAPTUREBLT);
//ReleaseDC(0,hdc);
return true;
}
BOOL CImageTIFF::Read(FILE* stream)
{
TIFF* m_tif = TIFFOpenEx(stream, "rb");
uint32 height=0;
uint32 width=0;
uint16 bitspersample=1;
uint16 samplesperpixel=1;
uint32 rowsperstrip=-1;
uint16 photometric=0;
uint16 compression=1;
uint32 x, y;
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";
m_info.nNumFrames=0;
while(TIFFSetDirectory(m_tif,(uint16)m_info.nNumFrames)) m_info.nNumFrames++;
if (!TIFFSetDirectory(m_tif, (uint16)m_info.nFrame))
throw "Error: page not present in TIFF file";
//get image m_info
TIFFGetField(m_tif, TIFFTAG_COMPRESSION, &compression);
if (compression == COMPRESSION_LZW)
throw "LZW compression is no longer supported due to Unisys patent enforcement";
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);
m_header.biWidth = width;
m_header.biHeight = height;
m_header.biClrUsed=0;
m_info.nBkgndIndex =-1;
isRGB = (bitspersample >= 8) &&
(photometric == PHOTOMETRIC_RGB) ||
(photometric == PHOTOMETRIC_YCBCR) ||
(photometric == PHOTOMETRIC_SEPARATED) ||
(photometric == PHOTOMETRIC_LOGLUV);
if (isRGB){
m_header.biBitCount=24;
m_info.bColorType = COLORTYPE_COLOR;
}else{
m_info.bColorType = COLORTYPE_PALETTE;
if ((photometric==PHOTOMETRIC_MINISBLACK)||(photometric==PHOTOMETRIC_MINISWHITE)){
if (bitspersample == 1){
m_header.biBitCount=1; //B&W image
m_header.biClrUsed =2;
} else {
m_header.biBitCount=8; //gray scale
m_header.biClrUsed =256;
}
} else if (bitspersample == 4) {
m_header.biBitCount=4; // 16 colors
m_header.biClrUsed=16;
} else {
m_header.biBitCount=8; //256 colors
m_header.biClrUsed=256;
}
}
Create(m_header.biWidth,m_header.biHeight,m_header.biBitCount); //image creation
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 = m_info.pImage;
for (y = 0; y < height; y++) {
bits = bits2;
for (x = 0; x < width; x++) {
*bits++ = (BYTE)TIFFGetB(row[x]);
*bits++ = (BYTE)TIFFGetG(row[x]);
*bits++ = (BYTE)TIFFGetR(row[x]);
}
row += width;
bits2 += m_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 (int i = 0; i < 256; i++) {
pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = i;
}
} else {
for (int i = 0; i < 256; i++) {
pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = 255 - i;
}
}
}
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,m_header.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);
// int pitch = CalculatePitch(line);
long bitsize= TIFFStripSize(m_tif);
bits = (BYTE*)malloc(bitsize);
for (ys = 0; ys < height; ys += rowsperstrip) {
nrow = (ys + rowsperstrip > height ? height - ys : rowsperstrip);
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++) {
memcpy(m_info.pImage+m_info.dwEffWidth*(height-ys-nrow+y),bits+(nrow-y-1)*line,line);
}
/*if (m_header.biClrUsed==2){
for (y = 0; y < nrow; y++) { for (x = 0; x < width; x++) {
SetPixelIndex(x,y+ys,(bits[y*line+(x>>3)]>>(7-x%8))&0x01);
}}}*/
}
free(bits);
}
} catch (char *message) {
strncpy(m_info.szLastError,message,255);
if (m_tif) TIFFClose(m_tif);
return FALSE;
}
TIFFClose(m_tif);
return TRUE;
}
BOOL CImageTIFF::Write(FILE* stream)
{
//prepare the palette struct
RGBQUAD pal[256];
if (GetPalette()){
BYTE b;
memcpy(pal,GetPalette(),GetPaletteSize());
for(WORD a=0;a<m_header.biClrUsed;a++){ //swap blue and red components
b=pal[a].rgbBlue; pal[a].rgbBlue=pal[a].rgbRed; pal[a].rgbRed=b;
}
}
TIFF *m_tif=NULL; // = (TIFF *)new(byte[512]);
uint32 height=m_header.biHeight;
uint32 width=m_header.biWidth;
// uint32 rowsperstrip = (uint32) -1;
uint16 bitspersample=m_header.biBitCount;
uint16 samplesperpixel;
uint16 photometric;
uint16 compression;
uint16 pitch;
int line;
uint32 x, y;
samplesperpixel = ((bitspersample == 24) || (bitspersample == 32)) ? 3 : 1;
photometric = (samplesperpixel==3) ? PHOTOMETRIC_RGB : PHOTOMETRIC_PALETTE;
line = CalculateLine(width, bitspersample * samplesperpixel);
pitch = CalculatePitch(line);
m_tif=TIFFOpenEx(stream, "wb");
if (m_tif==NULL) return FALSE;
// 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 == 32) ? 24 : bitspersample) / samplesperpixel);
TIFFSetField(m_tif, TIFFTAG_PHOTOMETRIC, photometric);
TIFFSetField(m_tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); // single image plane
TIFFSetField(m_tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, 1);
// TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, TIFFDefaultStripSize(m_tif, rowsperstrip));
// handle metrics
TIFFSetField(m_tif, TIFFTAG_RESOLUTIONUNIT, RESUNIT_INCH);
TIFFSetField(m_tif, TIFFTAG_XRESOLUTION, 72.0);
TIFFSetField(m_tif, TIFFTAG_YRESOLUTION, 72.0);
// multi-paging
// if (page >= 0) {
// char page_number[20];
// sprintf(page_number, "Page %d", page);
//
// TIFFSetField(m_tif, TIFFTAG_SUBFILETYPE, FILETYPE_PAGE);
// TIFFSetField(m_tif, TIFFTAG_PAGENUMBER, page);
// 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] = SCALE((uint16)pal[i].rgbRed);
g[i] = SCALE((uint16)pal[i].rgbGreen);
r[i] = SCALE((uint16)pal[i].rgbBlue);
}
TIFFSetField(m_tif, TIFFTAG_COLORMAP, r, g, b);
_TIFFfree(r);
}
// compression
switch(bitspersample) {
case 1 :
compression = COMPRESSION_CCITTFAX4;
break;
case 8 :
case 24 :
case 32 :
compression = COMPRESSION_PACKBITS;
break;
default :
compression = COMPRESSION_NONE;
break;
}
TIFFSetField(m_tif, TIFFTAG_COMPRESSION, compression);
// read the DIB lines from bottom to top
// and save them in the TIF
// -------------------------------------
BYTE *bits;
switch(bitspersample) {
case 1 :
case 4 :
case 8 :
{
for (y = 0; y < height; y++) {
bits= m_info.pImage + (height - y - 1)*m_info.dwEffWidth;
TIFFWriteScanline(m_tif,bits, y, 0);
}
break;
}
case 24:
case 32 :
{
BYTE *buffer = (BYTE *)malloc(m_info.dwEffWidth);
for (y = 0; y < height; y++) {
// get a pointer to the scanline
memcpy(buffer, m_info.pImage + (height - y - 1)*m_info.dwEffWidth, m_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
TIFFWriteScanline(m_tif, buffer, y, 0);
}
free(buffer);
break;
}
}
TIFFClose(m_tif);
return true;
}
static FIBITMAP *
LoadOS21XBMP(FreeImageIO *io, fi_handle handle, int flags, unsigned bitmap_bits_offset) {
FIBITMAP *dib = NULL;
try {
BITMAPINFOOS2_1X_HEADER bios2_1x;
io->read_proc(&bios2_1x, sizeof(BITMAPINFOOS2_1X_HEADER), 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
SwapOS21XHeader(&bios2_1x);
#endif
// keep some general information about the bitmap
int used_colors = 0;
int width = bios2_1x.biWidth;
int height = bios2_1x.biHeight;
int bit_count = bios2_1x.biBitCount;
int pitch = CalculatePitch(CalculateLine(width, bit_count));
switch (bit_count) {
case 1 :
case 4 :
case 8 :
{
used_colors = CalculateUsedPaletteEntries(bit_count);
// allocate enough memory to hold the bitmap (header, palette, pixels) and read the palette
dib = FreeImage_Allocate(width, height, bit_count);
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = 0;
pInfoHeader->biYPelsPerMeter = 0;
// load the palette
RGBQUAD *pal = FreeImage_GetPalette(dib);
for (int count = 0; count < used_colors; count++) {
FILE_BGR bgr;
io->read_proc(&bgr, sizeof(FILE_BGR), 1, handle);
pal[count].rgbRed = bgr.r;
pal[count].rgbGreen = bgr.g;
pal[count].rgbBlue = bgr.b;
}
// Skip over the optional palette
// A 24 or 32 bit DIB may contain a palette for faster color reduction
io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
// read the pixel data
if (height > 0) {
io->read_proc((void *)FreeImage_GetBits(dib), height * pitch, 1, handle);
} else {
for (int c = 0; c < abs(height); ++c) {
io->read_proc((void *)FreeImage_GetScanLine(dib, height - c - 1), pitch, 1, handle);
}
}
return dib;
}
case 16 :
{
dib = FreeImage_Allocate(width, height, bit_count, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK);
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = 0;
pInfoHeader->biYPelsPerMeter = 0;
io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
WORD *pixel = (WORD *)FreeImage_GetScanLine(dib, y);
for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
SwapShort(pixel);
pixel++;
}
}
#endif
return dib;
}
case 24 :
case 32 :
{
if( bit_count == 32 ) {
dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
} else {
dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
}
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = 0;
pInfoHeader->biYPelsPerMeter = 0;
// Skip over the optional palette
// A 24 or 32 bit DIB may contain a palette for faster color reduction
io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
BYTE *pixel = FreeImage_GetScanLine(dib, y);
for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
INPLACESWAP(pixel[0], pixel[2]);
pixel += (bit_count>>3);
}
}
#endif
// check if the bitmap contains transparency, if so enable it in the header
FreeImage_SetTransparent(dib, (FreeImage_GetColorType(dib) == FIC_RGBALPHA));
return dib;
}
}
} catch(const char *message) {
if(dib)
FreeImage_Unload(dib);
FreeImage_OutputMessageProc(s_format_id, message);
}
return NULL;
}
static FIBITMAP *
LoadOS22XBMP(FreeImageIO *io, fi_handle handle, int flags, unsigned bitmap_bits_offset) {
FIBITMAP *dib = NULL;
try {
// load the info header
BITMAPINFOHEADER bih;
io->read_proc(&bih, sizeof(BITMAPINFOHEADER), 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
SwapInfoHeader(&bih);
#endif
// keep some general information about the bitmap
int used_colors = bih.biClrUsed;
int width = bih.biWidth;
int height = bih.biHeight;
int bit_count = bih.biBitCount;
int compression = bih.biCompression;
int pitch = CalculatePitch(CalculateLine(width, bit_count));
switch (bit_count) {
case 1 :
case 4 :
case 8 :
{
if ((used_colors <= 0) || (used_colors > CalculateUsedPaletteEntries(bit_count)))
used_colors = CalculateUsedPaletteEntries(bit_count);
// allocate enough memory to hold the bitmap (header, palette, pixels) and read the palette
dib = FreeImage_Allocate(width, height, bit_count);
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = bih.biXPelsPerMeter;
pInfoHeader->biYPelsPerMeter = bih.biYPelsPerMeter;
// load the palette
io->seek_proc(handle, sizeof(BITMAPFILEHEADER) + bih.biSize, SEEK_SET);
RGBQUAD *pal = FreeImage_GetPalette(dib);
for (int count = 0; count < used_colors; count++) {
FILE_BGR bgr;
io->read_proc(&bgr, sizeof(FILE_BGR), 1, handle);
pal[count].rgbRed = bgr.r;
pal[count].rgbGreen = bgr.g;
pal[count].rgbBlue = bgr.b;
}
// seek to the actual pixel data.
// this is needed because sometimes the palette is larger than the entries it contains predicts
if (bitmap_bits_offset > (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (used_colors * 3)))
io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
// read the pixel data
switch (compression) {
case BI_RGB :
if (height > 0) {
io->read_proc((void *)FreeImage_GetBits(dib), height * pitch, 1, handle);
} else {
for (int c = 0; c < abs(height); ++c) {
io->read_proc((void *)FreeImage_GetScanLine(dib, height - c - 1), pitch, 1, handle);
}
}
return dib;
case BI_RLE4 :
{
BYTE status_byte = 0;
BYTE second_byte = 0;
int scanline = 0;
int bits = 0;
BOOL low_nibble = FALSE;
for (;;) {
io->read_proc(&status_byte, sizeof(BYTE), 1, handle);
switch (status_byte) {
case RLE_COMMAND :
io->read_proc(&status_byte, sizeof(BYTE), 1, handle);
switch (status_byte) {
case RLE_ENDOFLINE :
bits = 0;
scanline++;
low_nibble = FALSE;
break;
case RLE_ENDOFBITMAP :
return (FIBITMAP *)dib;
case RLE_DELTA :
{
// read the delta values
BYTE delta_x;
BYTE delta_y;
io->read_proc(&delta_x, sizeof(BYTE), 1, handle);
io->read_proc(&delta_y, sizeof(BYTE), 1, handle);
// apply them
bits += delta_x / 2;
scanline += delta_y;
break;
}
default :
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
BYTE *sline = FreeImage_GetScanLine(dib, scanline);
for (int i = 0; i < status_byte; i++) {
if (low_nibble) {
*(sline + bits) |= LOWNIBBLE(second_byte);
if (i != status_byte - 1)
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
bits++;
} else {
*(sline + bits) |= HINIBBLE(second_byte);
}
low_nibble = !low_nibble;
}
if (((status_byte / 2) & 1 ) == 1)
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
break;
};
break;
default :
{
BYTE *sline = FreeImage_GetScanLine(dib, scanline);
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
for (unsigned i = 0; i < status_byte; i++) {
if (low_nibble) {
*(sline + bits) |= LOWNIBBLE(second_byte);
bits++;
} else {
*(sline + bits) |= HINIBBLE(second_byte);
}
low_nibble = !low_nibble;
}
}
break;
};
}
break;
}
case BI_RLE8 :
{
BYTE status_byte = 0;
BYTE second_byte = 0;
int scanline = 0;
int bits = 0;
for (;;) {
io->read_proc(&status_byte, sizeof(BYTE), 1, handle);
switch (status_byte) {
case RLE_COMMAND :
io->read_proc(&status_byte, sizeof(BYTE), 1, handle);
switch (status_byte) {
case RLE_ENDOFLINE :
bits = 0;
scanline++;
break;
case RLE_ENDOFBITMAP :
return (FIBITMAP *)dib;
case RLE_DELTA :
{
// read the delta values
BYTE delta_x;
BYTE delta_y;
io->read_proc(&delta_x, sizeof(BYTE), 1, handle);
io->read_proc(&delta_y, sizeof(BYTE), 1, handle);
// apply them
bits += delta_x;
scanline += delta_y;
break;
}
default :
io->read_proc((void *)(FreeImage_GetScanLine(dib, scanline) + bits), sizeof(BYTE) * status_byte, 1, handle);
// align run length to even number of bytes
if ((status_byte & 1) == 1)
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
bits += status_byte;
break;
};
break;
default :
BYTE *sline = FreeImage_GetScanLine(dib, scanline);
io->read_proc(&second_byte, sizeof(BYTE), 1, handle);
for (unsigned i = 0; i < status_byte; i++) {
*(sline + bits) = second_byte;
bits++;
}
break;
};
}
break;
}
default :
throw "compression type not supported";
}
break;
}
case 16 :
{
if (bih.biCompression == 3) {
DWORD bitfields[3];
io->read_proc(bitfields, 3 * sizeof(DWORD), 1, handle);
dib = FreeImage_Allocate(width, height, bit_count, bitfields[0], bitfields[1], bitfields[2]);
} else {
dib = FreeImage_Allocate(width, height, bit_count, FI16_555_RED_MASK, FI16_555_GREEN_MASK, FI16_555_BLUE_MASK);
}
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = bih.biXPelsPerMeter;
pInfoHeader->biYPelsPerMeter = bih.biYPelsPerMeter;
if (bitmap_bits_offset > (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (used_colors * 3)))
io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
WORD *pixel = (WORD *)FreeImage_GetScanLine(dib, y);
for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
SwapShort(pixel);
pixel++;
}
}
#endif
return dib;
}
case 24 :
case 32 :
{
if( bit_count == 32 ) {
dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
} else {
dib = FreeImage_Allocate(width, height, bit_count, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
}
if (dib == NULL)
throw "DIB allocation failed";
BITMAPINFOHEADER *pInfoHeader = FreeImage_GetInfoHeader(dib);
pInfoHeader->biXPelsPerMeter = bih.biXPelsPerMeter;
pInfoHeader->biYPelsPerMeter = bih.biYPelsPerMeter;
// Skip over the optional palette
// A 24 or 32 bit DIB may contain a palette for faster color reduction
if (bitmap_bits_offset > (sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER) + (used_colors * 3)))
io->seek_proc(handle, bitmap_bits_offset, SEEK_SET);
// read in the bitmap bits
io->read_proc(FreeImage_GetBits(dib), height * pitch, 1, handle);
#ifdef FREEIMAGE_BIGENDIAN
for(int y = 0; y < FreeImage_GetHeight(dib); y++) {
BYTE *pixel = FreeImage_GetScanLine(dib, y);
for(int x = 0; x < FreeImage_GetWidth(dib); x++) {
INPLACESWAP(pixel[0], pixel[2]);
pixel += (bit_count>>3);
}
}
#endif
// check if the bitmap contains transparency, if so enable it in the header
FreeImage_SetTransparent(dib, (FreeImage_GetColorType(dib) == FIC_RGBALPHA));
return dib;
}
}
} catch(const char *message) {
if(dib)
FreeImage_Unload(dib);
FreeImage_OutputMessageProc(s_format_id, message);
}
return NULL;
}
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=(uint32_t)-1;
uint16 photometric=0;
uint16 compression=1;
uint16 orientation=ORIENTATION_TOPLEFT; //<vho>
uint16 res_unit; //<Trifon>
uint32 x, y;
float resolution, offset;
bool isRGB;
uint8_t *bits; //pointer to source data
uint8_t *bits2; //pointer to destination data
cx_try
{
//check if it's a tiff file
if (!m_tif)
cx_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))
cx_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;
info.dwType = CXIMAGE_FORMAT_TIF;
cx_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((int32_t)resolution);
}
if (TIFFGetField(m_tif, TIFFTAG_YRESOLUTION, &resolution))
{
if (res_unit == RESUNIT_CENTIMETER) resolution = (float)(resolution*2.54f + 0.5f);
SetYDPI((int32_t)resolution);
}
if (TIFFGetField(m_tif, TIFFTAG_XPOSITION, &offset)) info.xOffset = (int32_t)offset;
if (TIFFGetField(m_tif, TIFFTAG_YPOSITION, &offset)) info.yOffset = (int32_t)offset;
head.biClrUsed=0;
info.nBkgndIndex =-1;
if (rowsperstrip>height){
rowsperstrip=height;
TIFFSetField(m_tif, TIFFTAG_ROWSPERSTRIP, rowsperstrip);
}
isRGB = /*(bitspersample >= 8) && (VK: it is possible so for RGB to have < 8 bpp!)*/
(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)||(photometric==PHOTOMETRIC_PALETTE)){
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 ((bitspersample > 8) && (photometric==PHOTOMETRIC_PALETTE)) // + VK + (BIG palette! => convert to RGB)
{ head.biBitCount=24;
head.biClrUsed =0;
}
}
if (info.nEscape) cx_throw("Cancelled"); // <vho> - cancel decoding
Create(width,height,head.biBitCount,CXIMAGE_FORMAT_TIF); //image creation
if (!pDib) cx_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) cx_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);
cx_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);
cx_throw("Cancelled");
}
bits = bits2;
for (x = 0; x < width; x++) {
*bits++ = (uint8_t)TIFFGetB(row[x]);
*bits++ = (uint8_t)TIFFGetG(row[x]);
*bits++ = (uint8_t)TIFFGetR(row[x]);
#if CXIMAGE_SUPPORT_ALPHA
if (samplesperpixel==4) AlphaSet(x,y,(uint8_t)TIFFGetA(row[x]));
#endif //CXIMAGE_SUPPORT_ALPHA
}
row += width;
bits2 += info.dwEffWidth;
}
_TIFFfree(raster);
} else {
int32_t BIG_palette = (bitspersample > 8) && // + VK
(photometric==PHOTOMETRIC_PALETTE);
if (BIG_palette && (bitspersample > 24)) // + VK
cx_throw("Too big palette to handle"); // + VK
RGBQuad *pal;
pal=(RGBQuad*)calloc(BIG_palette ? 1<<bitspersample : 256,sizeof(RGBQuad));
// ! VK: it coasts nothing but more correct to use 256 as temp palette storage
// ! VK: but for case of BIG palette it just copied
if (pal==NULL) cx_throw("Unable to allocate TIFF palette");
int32_t bpp = bitspersample <= 8 ? bitspersample : 8; // + VK (to use instead of bitspersample for case of > 8)
// 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 (int32_t i=0; i<(1<<bpp); i++){
pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = (uint8_t)(i*(255/((1<<bpp)-1)));
}
} else {
for (int32_t i=0; i<(1<<bpp); i++){
pal[i].rgbRed = pal[i].rgbGreen = pal[i].rgbBlue = (uint8_t)(255-i*(255/((1<<bpp)-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*/ BIG_palette;
if (!BIG_palette) {
int32_t n= 1<<bpp;
while (n-- > 0) {
if (red[n] >= 256 || green[n] >= 256 || blue[n] >= 256) {
Palette16Bits=true;
break;
}
}
}
// load the palette in the DIB
for (int32_t i = (1 << ( BIG_palette ? bitspersample : bpp )) - 1; i >= 0; i--) {
if (Palette16Bits) {
pal[i].rgbRed =(uint8_t) CVT(red[i]);
pal[i].rgbGreen = (uint8_t) CVT(green[i]);
pal[i].rgbBlue = (uint8_t) CVT(blue[i]);
} else {
pal[i].rgbRed = (uint8_t) red[i];
pal[i].rgbGreen = (uint8_t) green[i];
pal[i].rgbBlue = (uint8_t) blue[i];
}
}
break;
}
if (!BIG_palette) { // + VK (BIG palette is stored until image is ready)
SetPalette(pal,/*head.biClrUsed*/ 1<<bpp); //palette assign // * VK
free(pal);
pal = NULL;
}
// read the tiff lines and save them in the DIB
uint32 nrow;
uint32 ys;
int32_t line = CalculateLine(width, bitspersample * samplesperpixel);
int32_t bitsize = TIFFStripSize(m_tif);
//verify bitsize: could be wrong if StripByteCounts is missing.
if (bitsize>(int32_t)(head.biSizeImage*samplesperpixel))
bitsize = head.biSizeImage*samplesperpixel;
if (bitsize<(int32_t)(info.dwEffWidth*rowsperstrip))
bitsize = info.dwEffWidth*rowsperstrip;
if ((bitspersample > 8) && (bitspersample != 16)) // + VK (for bitspersample == 9..15,17..32..64
bitsize *= (bitspersample + 7)/8;
int32_t tiled_image = TIFFIsTiled(m_tif);
uint32 tw=0, tl=0;
uint8_t* tilebuf=NULL;
if (tiled_image){
TIFFGetField(m_tif, TIFFTAG_TILEWIDTH, &tw);
TIFFGetField(m_tif, TIFFTAG_TILELENGTH, &tl);
rowsperstrip = tl;
bitsize = TIFFTileSize(m_tif) * (int32_t)(1+width/tw);
tilebuf = (uint8_t*)malloc(TIFFTileSize(m_tif));
}
bits = (uint8_t*)malloc(bitspersample==16? bitsize*2 : bitsize); // * VK
uint8_t * bits16 = NULL; // + VK
int32_t line16 = 0; // + VK
if (!tiled_image && bitspersample==16) { // + VK +
line16 = line;
line = CalculateLine(width, 8 * samplesperpixel);
bits16 = bits;
bits = (uint8_t*)malloc(bitsize);
}
if (bits==NULL){
if (bits16) free(bits16); // + VK
if (pal) free(pal); // + VK
if (tilebuf)free(tilebuf); // + VK
cx_throw("CxImageTIF can't allocate memory");
}
#ifdef FIX_16BPP_DARKIMG // + VK: for each line, store shift count bits used to fix it
uint8_t* row_shifts = NULL;
if (bits16) row_shifts = (uint8_t*)malloc(height);
#endif
for (ys = 0; ys < height; ys += rowsperstrip) {
if (info.nEscape){ // <vho> - cancel decoding
free(bits);
cx_throw("Cancelled");
}
nrow = (ys + rowsperstrip > height ? height - ys : rowsperstrip);
if (tiled_image){
uint32 imagew = TIFFScanlineSize(m_tif);
uint32 tilew = TIFFTileRowSize(m_tif);
int32_t 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);
cx_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),
(bits16? bits16 : bits), nrow * (bits16 ? line16 : line)) == -1) { // * VK
#ifdef NOT_IGNORE_CORRUPTED
free(bits);
if (bits16) free(bits16); // + VK
cx_throw("Corrupted TIFF file!");
#else
break;
#endif
}
}
for (y = 0; y < nrow; y++) {
int32_t offset=(nrow-y-1)*line;
if ((bitspersample==16) && !BIG_palette) { // * VK
int32_t offset16 = (nrow-y-1)*line16; // + VK
if (bits16) { // + VK +
#ifdef FIX_16BPP_DARKIMG
int32_t the_shift;
uint8_t hi_byte, hi_max=0;
uint32_t xi;
for (xi=0;xi<(uint32)line;xi++) {
hi_byte = bits16[xi*2+offset16+1];
if(hi_byte>hi_max)
hi_max = hi_byte;
}
the_shift = (hi_max == 0) ? 8 : 0;
if (!the_shift)
while( ! (hi_max & 0x80) ) {
the_shift++;
hi_max <<= 1;
}
row_shifts[height-ys-nrow+y] = the_shift;
the_shift = 8 - the_shift;
for (xi=0;xi<(uint32)line;xi++)
bits[xi+offset]= ((bits16[xi*2+offset16+1]<<8) | bits16[xi*2+offset16]) >> the_shift;
#else
for (uint32_t xi=0;xi<(uint32)line;xi++)
bits[xi+offset]=bits16[xi*2+offset16+1];
#endif
} else {
for (uint32_t xi=0;xi<width;xi++)
bits[xi+offset]=bits[xi*2+offset+1];
}
}
if (samplesperpixel==1) {
if (BIG_palette)
if (bits16) {
int32_t offset16 = (nrow-y-1)*line16; // + VK
MoveBitsPal( info.pImage + info.dwEffWidth * (height-ys-nrow+y),
bits16 + offset16, width, bitspersample, pal );
} else
MoveBitsPal( info.pImage + info.dwEffWidth * (height-ys-nrow+y),
bits + offset, width, bitspersample, pal );
else if ((bitspersample == head.biBitCount) ||
(bitspersample == 16)) //simple 8bpp, 4bpp image or 16bpp
memcpy(info.pImage+info.dwEffWidth*(height-ys-nrow+y),bits+offset,min((unsigned)line, info.dwEffWidth));
else
MoveBits( info.pImage + info.dwEffWidth * (height-ys-nrow+y),
bits + offset, width, bitspersample );
} else if (samplesperpixel==2) { //8bpp image with alpha layer
int32_t xi=0;
int32_t ii=0;
int32_t yi=height-ys-nrow+y;
#if CXIMAGE_SUPPORT_ALPHA
if (!pAlpha) AlphaCreate(); // + VK
#endif //CXIMAGE_SUPPORT_ALPHA
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>=(int32_t)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
}
int32_t xi=0;
uint32 ii=0;
int32_t yi=height-ys-nrow+y;
RGBQuad c;
int32_t l,a,b,bitsoffset;
double p,cx,cy,cz,cr,cg,cb;
while (ii</*line*/width){ // * VK
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 =(uint8_t)max(0,min(255,(int32_t)(cr*255)));
c.rgbGreen=(uint8_t)max(0,min(255,(int32_t)(cg*255)));
c.rgbBlue =(uint8_t)max(0,min(255,(int32_t)(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>=(int32_t)width){
yi--;
xi=0;
}
}
}
}
}
free(bits);
if (bits16) free(bits16);
#ifdef FIX_16BPP_DARKIMG
if (row_shifts && (samplesperpixel == 1) && (bitspersample==16) && !BIG_palette) {
// 1. calculate maximum necessary shift
int32_t min_row_shift = 8;
for( y=0; y<height; y++ ) {
if (min_row_shift > row_shifts[y]) min_row_shift = row_shifts[y];
}
// 2. for rows having less shift value, correct such rows:
for( y=0; y<height; y++ ) {
if (min_row_shift < row_shifts[y]) {
int32_t need_shift = row_shifts[y] - min_row_shift;
uint8_t* data = info.pImage + info.dwEffWidth * y;
for( x=0; x<width; x++, data++ )
*data >>= need_shift;
}
}
static FIBITMAP * DLL_CALLCONV
Load(FreeImageIO *io, fi_handle handle, int page, int flags, void *data) {
int width;
int height;
int line;
int pitch;
int bpp = 24;
int scan_line_add = 1;
int start_scan_line = 0;
// to make absolute seeks possible we store the current position in the file
long offset_in_file = io->tell_proc(handle);
long seek = 0;
// decide which bitmap in the cabinet to load
switch (flags) {
case PCD_BASEDIV4 :
seek = 0x2000;
width = 192;
height = 128;
break;
case PCD_BASEDIV16 :
seek = 0xB800;
width = 384;
height = 256;
break;
default :
seek = 0x30000;
width = 768;
height = 512;
break;
}
// calculate line and pitch based on the selected bitmap size
line = CalculateLine(width, bpp);
pitch = CalculatePitch(line);
// allocate the dib and write out the header
FIBITMAP *dib = FreeImage_Allocate(width, height, bpp, FI_RGBA_RED_MASK, FI_RGBA_GREEN_MASK, FI_RGBA_BLUE_MASK);
// check if the PCD is bottom-up
if (VerticalOrientation(io, handle)) {
scan_line_add = -1;
start_scan_line = height - 1;
}
// temporary stuff to load PCD
BYTE *y1 = new BYTE[width];
BYTE *y2 = new BYTE[width];
BYTE *cbcr = new BYTE[width];
BYTE *yl[] = { y1, y2 };
// seek to the part where the bitmap data begins
io->seek_proc(handle, offset_in_file, SEEK_SET);
io->seek_proc(handle, seek, SEEK_CUR);
// read the data
for (int y = 0; y < height / 2; ++y) {
io->read_proc(y1, width, 1, handle);
io->read_proc(y2, width, 1, handle);
io->read_proc(cbcr, width, 1, handle);
for (int i = 0; i < 2; ++i) {
BYTE *img = FreeImage_GetScanLine(dib, start_scan_line);
for (int x = 0; x < width; ++x) {
int r, g, b;
YUV2RGB(yl[i][x], cbcr[x / 2], cbcr[(width / 2) + (x / 2)], r, g, b);
img[FI_RGBA_BLUE] = (BYTE)b;
img[FI_RGBA_GREEN] = (BYTE)g;
img[FI_RGBA_RED] = (BYTE)r;
img += 3;
}
start_scan_line += scan_line_add;
}
}
delete [] cbcr;
delete [] y2;
delete [] y1;
return dib;
}
bool COverlaySurfaceCache::CopyToSharedMemory(IDirectDraw7*pDDraw,const OVERLAY_ITEM& item)
{
CAutoLockEx<CMutexLock> lock(g_mLock);
if( !item.pOverlay ) return false;
DumpSurface(item.pOverlay,_T("DumpSurface1.temp"));
CComPtr<IDirectDrawSurface7> pTemp = CopyToOffscreenSurface(pDDraw,item);
DumpSurface(pTemp,_T("DumpSurface2.temp"));
if(!pTemp)
{
OutputDebugStringA("CopyToOffscreenSurface failed");
return false;
}
HRESULT hr=S_OK;
DDSURFACEDESC2 ddsd_dest = {0};
ddsd_dest.dwSize = sizeof(DDSURFACEDESC2);
hr = pTemp->Lock(0,&ddsd_dest,DDLOCK_READONLY|DDLOCK_DONOTWAIT,0);
if (FAILED(hr))
{
OutputDebugStringA("IDirectDrawSurface7::Lock failed");
pTemp->Unlock(0);
return false;
}
try
{
DWORD rgnsize = 0;
// CComPtr<IDirectDrawClipper> pClipper;
// if(SUCCEEDED(item.pOverlay->GetClipper(&pClipper)))
// {
// pClipper->GetClipList(0,0,&rgnsize);
// }
DWORD size;
DWORD imagesize ;
imagesize = CalculatePitch(CalculateLine(ddsd_dest.dwWidth,ddsd_dest.ddpfPixelFormat.dwRGBBitCount)) * ddsd_dest.dwHeight;
size = FIELD_OFFSET(SURFACE_DATA,data) + (rgnsize?rgnsize-sizeof(RGNDATAHEADER):0) + imagesize;
CFileMapping mem;
if(!mem.Open(kChaptureOverlayShareMemory,size,false))
{
// open failed ,maybe size is too small
if(mem.Open(kChaptureOverlayShareMemory,sizeof(SURFACE_DATA),false))
{
SURFACE_DATA*pData = (SURFACE_DATA*)mem.GetPointer();
pData->size = size;
pData->desc = ddsd_dest;
pData->modified = TRUE;
}
OutputDebugStringA("CFileMappingBitmap::Open failed");
throw E_FAIL;
}
SURFACE_DATA*pData = (SURFACE_DATA*)mem.GetPointer();
pData->size = size;
pData->desc = ddsd_dest;
pData->modified = TRUE;
// if(pClipper && rgnsize)
// {
// if(FAILED(pClipper->GetClipList(0,(LPRGNDATA)&pData->rdh,&rgnsize)))
// {
// OutputDebugStringA("IDirectDrawSurface7::GetClipList failed");
// throw E_FAIL;
// }
// }
// if(item.bEntireDest)
// {
// DDSURFACEDESC2 des = {0};
// des.dwSize = sizeof(DDSURFACEDESC2);
// if(FAILED(pPrimary->GetSurfaceDesc(&des)))
// {
// OutputDebugStringA("IDirectDrawSurface7::GetSurfaceDesc failed");
// throw E_FAIL;
// }
// pData->rcDst.left = pData->rcDst.top = 0;
// pData->rcDst.right = des.dwWidth;
// pData->rcDst.bottom = des.dwHeight;
// }
// else
pData->rcDst = item.rcDst;
pData->flags= item.flags;
pData->fx = item.fx;
BYTE *pBegin = pData->data + (rgnsize?rgnsize-sizeof(RGNDATAHEADER):0);
pData->desc.lPitch = CalculatePitch(CalculateLine(ddsd_dest.dwWidth,ddsd_dest.ddpfPixelFormat.dwRGBBitCount));
//int left ;
//left = CalculatePitch(CalculateLine(item.rcDst.left,ddsd_dest.ddpfPixelFormat.dwRGBBitCount));
for (int i= 0;i != ddsd_dest.dwHeight;i++)
{
memcpy( pBegin + i * pData->desc.lPitch ,
(BYTE*)ddsd_dest.lpSurface + i*ddsd_dest.lPitch ,
pData->desc.lPitch);
}
// DebugOutF(filelog::log_info,"CopyToSharedMemory (%d,%d,%d,%d) -> (%d,%d,%d,%d) ok",
// item.rcSrc.left,
// item.rcSrc.top,
// item.rcSrc.right,
// item.rcSrc.bottom,
// item.rcDst.left,
// item.rcDst.top,
// item.rcDst.right,
// item.rcDst.bottom);
}
catch(HRESULT hr1)
{
hr = hr1;
}
pTemp->Unlock(0);
return SUCCEEDED(hr);
}
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;
}
