FreeImageStack::FreeImageStack(const std::string & rFileName,
unsigned int nWidth, unsigned int nHeight): sFileName_(rFileName)
, pImageStack_(0)
, nWidth_(nWidth)
, nHeight_(nHeight)
, pBitmap_32f_(0)
, nMaxXY_(0)
, nMaxOffset_(0)
{
// open the bitmap
pImageStack_ = FreeImage_OpenMultiBitmap(FIF_TIFF, (sFileName_ + "3D.tif").c_str(),
TRUE, // create new
FALSE, // open read-write
FALSE, // keep all slices in memory
TIFF_DEFAULT);
NPP_ASSERT_NOT_NULL(pImageStack_);
pBitmap_32f_ = FreeImage_AllocateT(FIT_FLOAT,
nWidth_, nHeight_,
32 /* bits per pixel */);
NPP_ASSERT_NOT_NULL(pBitmap_32f_);
nMaxXY_ = std::min(nWidth_, nHeight_);
nMaxOffset_ = static_cast<unsigned int>(sqrt(2 * static_cast<double>(nMaxXY_-1) * static_cast<double>(nMaxXY_-1)));
aTimeStepAverages_.reserve(512);
}
FIMULTIBITMAP* LoadAnim(const char* filename) {
FreeImage_SetOutputMessage(FreeImageErrorHandler);
FIMULTIBITMAP* ret(NULL);
// try animated GIF
{
someError=false;
ret = FreeImage_OpenMultiBitmap(FIF_GIF, filename, FALSE, TRUE);
if (ret && !someError) {
fprintf(stderr, "Loaded animated GIF..\n");
return ret;
}
}
// try AVI
{
ret = ReadFromAvi(filename);
if (ret) {
fprintf(stderr, "Loaded AVI..\n");
return ret;
}
}
return NULL;
}
FreeImageStack::FreeImageStack(const std::string & rFileName): sFileName_(rFileName)
, pImageStack_(0)
, nWidth_(0)
, nHeight_(0)
, pBitmap_32f_(0)
, nMaxXY_(0)
, nMaxOffset_(0)
{
// open the bitmap
pImageStack_ = FreeImage_OpenMultiBitmap(FIF_TIFF, (sFileName_ + ".tif").c_str(),
FALSE, // create new
TRUE, // open read-only
FALSE, // keep all slices in memory
TIFF_DEFAULT);
NPP_ASSERT_NOT_NULL(pImageStack_);
NPP_ASSERT_NOT_NULL(slices());
FIBITMAP * pBitmap = FreeImage_LockPage(pImageStack_, 0);
// store away the size of the first image
// this information is later used to insure that all slices
// accessed are of the same size. if they are not an exception
// is thrown when such a deviating slice is being accessed
nWidth_ = FreeImage_GetWidth(pBitmap);
nHeight_ = FreeImage_GetHeight(pBitmap);
NPP_ASSERT(FreeImage_GetColorType(pBitmap) == FIC_MINISBLACK);
NPP_ASSERT(FreeImage_GetBPP(pBitmap) == 8);
FreeImage_UnlockPage(pImageStack_, pBitmap, FALSE);
}
void ofxGifEncoder::doSave() {
// create a multipage bitmap
FIMULTIBITMAP *multi = FreeImage_OpenMultiBitmap(FIF_GIF, ofToDataPath(fileName).c_str(), TRUE, FALSE);
for(int i = 0; i < frames.size(); i++ ) {
ofxGifFrame * currentFrame = frames[i];
processFrame(currentFrame, multi);
}
FreeImage_CloseMultiBitmap(multi);
}
BOOL fipMultiPage::open(const char* lpszPathName, BOOL create_new, BOOL read_only, int flags) {
// try to guess the file format from the filename
FREE_IMAGE_FORMAT fif = FreeImage_GetFIFFromFilename(lpszPathName);
// check for supported file types
if((fif == FIF_UNKNOWN) || (fif != FIF_TIFF) && (fif != FIF_ICO) && (fif != FIF_GIF))
return FALSE;
// open the stream
_mpage = FreeImage_OpenMultiBitmap(fif, lpszPathName, create_new, read_only, _bMemoryCache, flags);
return (NULL != _mpage ) ? TRUE : FALSE;
}
void ofxGifEncoder::doSave() {
// create a multipage bitmap
FIMULTIBITMAP *multi = FreeImage_OpenMultiBitmap(FIF_GIF, ofToDataPath(fileName).c_str(), TRUE, FALSE);
FIBITMAP * bmp = NULL;
for(int i = 0; i < frames.size(); i++ ) {
// we need to swap the channels if we're on little endian (see ofImage::swapRgb);
#ifdef TARGET_LITTLE_ENDIAN
swapRgb(frames[i]);
#endif
// get the pixel data
bmp = FreeImage_ConvertFromRawBits(
frames[i]->pixels,
frames[i]->width,
frames[i]->height,
frames[i]->width*(frames[i]->bitsPerPixel/8),
frames[i]->bitsPerPixel,
0, 0, 0, true // in of006 this (topdown) had to be false.
);
#ifdef TARGET_LITTLE_ENDIAN
swapRgb(frames[i]);
#endif
DWORD frameDuration = (DWORD) (frames[i]->duration * 1000.f);
bmp = FreeImage_ColorQuantizeEx(bmp, FIQ_NNQUANT, nColors);
// dithering :)
if(ditherMode > OFX_GIF_DITHER_NONE) bmp = FreeImage_Dither(bmp, (FREE_IMAGE_DITHER)ditherMode);
// clear any animation metadata used by this dib as we’ll adding our own ones
FreeImage_SetMetadata(FIMD_ANIMATION, bmp, NULL, NULL);
// add animation tags to dib[i]
FITAG *tag = FreeImage_CreateTag();
if(tag) {
FreeImage_SetTagKey(tag, "FrameTime");
FreeImage_SetTagType(tag, FIDT_LONG);
FreeImage_SetTagCount(tag, 1);
FreeImage_SetTagLength(tag, 4);
FreeImage_SetTagValue(tag, &frameDuration);
FreeImage_SetMetadata(FIMD_ANIMATION, bmp, FreeImage_GetTagKey(tag), tag);
FreeImage_DeleteTag(tag);
}
FreeImage_AppendPage(multi, bmp);
}
FreeImage_Unload(bmp);
FreeImage_CloseMultiBitmap(multi);
}
FIMULTIBITMAP * DLL_CALLCONV
FreeImage_OpenMultiBitmapU(FREE_IMAGE_FORMAT fif, const wchar_t *filename, BOOL create_new, BOOL read_only, BOOL keep_cache_in_memory, int flags) {
// convert to single character - no national chars in extensions
char *extension = (char *)malloc(wcslen(filename)+1);
unsigned int i=0;
for (; i < wcslen(filename); i++) // convert 16-bit to 8-bit
extension[i] = (char)(filename[i] & 0x00FF);
// set terminating 0
extension[i]=0;
FIMULTIBITMAP *fRet = FreeImage_OpenMultiBitmap(fif, extension, create_new, read_only, keep_cache_in_memory, flags);
free(extension);
return fRet;
}
bool CloneMultiPage(FREE_IMAGE_FORMAT fif, char *input, char *output, int output_flag) {
BOOL bMemoryCache = TRUE;
// Open src file (read-only, use memory cache)
FIMULTIBITMAP *src = FreeImage_OpenMultiBitmap(fif, input, FALSE, TRUE, bMemoryCache);
if(src) {
// Open dst file (creation, use memory cache)
FIMULTIBITMAP *dst = FreeImage_OpenMultiBitmap(fif, output, TRUE, FALSE, bMemoryCache);
// Get src page count
int count = FreeImage_GetPageCount(src);
// Clone src to dst
for(int page = 0; page < count; page++) {
// Load the bitmap at position 'page'
FIBITMAP *dib = FreeImage_LockPage(src, page);
if(dib) {
// add a new bitmap to dst
FreeImage_AppendPage(dst, dib);
// Unload the bitmap (do not apply any change to src)
FreeImage_UnlockPage(src, dib, FALSE);
}
}
// Close src
FreeImage_CloseMultiBitmap(src, 0);
// Save and close dst
FreeImage_CloseMultiBitmap(dst, output_flag);
return true;
}
return false;
}
// return a bool if succesful?
bool ofxGifDecoder::decode(string fileName) {
reset();
int width, height, bpp;
fileName = ofToDataPath(fileName);
bool bDecoded = false;
FIMULTIBITMAP* multiBmp = NULL;
FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
fif = FreeImage_GetFileType(fileName.c_str(), 0);
if(fif != FIF_GIF) {
ofLog(OF_LOG_WARNING, "ofxGifDecoder::decode. this is not a gif file. not processing");
return bDecoded;
}
multiBmp = FreeImage_OpenMultiBitmap(fif, fileName.c_str(), false, false,true, GIF_LOAD256);
if (multiBmp){
// num frames
int nPages = FreeImage_GetPageCount(multiBmp);
// here we process the first frame
for (int i = 0; i < nPages; i++) {
FIBITMAP * dib = FreeImage_LockPage(multiBmp, i);
if(dib) {
if (i == 0) {
createGifFile(dib, nPages);
bDecoded = true; // we have at least 1 frame
}
processFrame(dib, i);
FreeImage_UnlockPage(multiBmp, dib, false);
} else {
ofLog(OF_LOG_WARNING, "ofxGifDecoder::decode. problem locking page");
}
}
FreeImage_CloseMultiBitmap(multiBmp, 0);
}else {
ofLog(OF_LOG_WARNING, "ofxGifDecoder::decode. there was an error processing.");
}
return bDecoded;
}
static FIMULTIBITMAP* ReadFromAvi(const char* filename) {
int err=0;
AVIFileInit();
PAVISTREAM pavi; // Handle To An Open Stream
if( AVIStreamOpenFromFile(&pavi, filename, streamtypeVIDEO, 0, OF_READ, NULL) != 0) {
AVIFileExit();
return NULL;
}
AVISTREAMINFO psi; // Pointer To A Structure Containing Stream Info
AVIStreamInfo(pavi, &psi, sizeof(psi)); // Reads Information About The Stream Into psi
int width = psi.rcFrame.right-psi.rcFrame.left; // Width Is Right Side Of Frame Minus Left
int height = psi.rcFrame.bottom-psi.rcFrame.top; // Height Is Bottom Of Frame Minus Top
int frameCount = AVIStreamLength(pavi); // The Last Frame Of The Stream
double mpf = AVIStreamSampleToTime(pavi, frameCount) / (double)frameCount; // Calculate Rough Milliseconds Per Frame
PGETFRAME pgf = AVIStreamGetFrameOpen(pavi, NULL); // Create The PGETFRAME Using Our Request Mode
if (pgf==NULL)
{
// An Error Occurred Opening The Frame
error("Failed To Open frame from AVI");
}
//HDC hdc = GetDC(0);
HDRAWDIB hdd = DrawDibOpen(); // Handle For Our Dib
BITMAPINFOHEADER bmih; // Header Information For DrawDibDraw Decoding
bmih.biSize = sizeof (BITMAPINFOHEADER); // Size Of The BitmapInfoHeader
bmih.biPlanes = 1; // Bitplanes
bmih.biBitCount = 24; // Bits Format We Want (24 Bit, 3 Bytes)
bmih.biWidth = width; // Width We Want (256 Pixels)
bmih.biHeight = height; // Height We Want (256 Pixels)
bmih.biCompression = BI_RGB; // Requested Mode = RGB
char *data; // Pointer To Texture Data
HBITMAP hBitmap = CreateDIBSection(hdc, (BITMAPINFO*)(&bmih), DIB_RGB_COLORS, (void**)(&data), NULL, NULL);
SelectObject(hdc, hBitmap); // Select hBitmap Into Our Device Context (hdc)
// create a new freeimage anim
someError=false;
FIMULTIBITMAP* ret = FreeImage_OpenMultiBitmap(FIF_TIFF, "temp.tiff", TRUE, FALSE);
if (!ret || someError) {
error("Couldnt create multibitmap");
}
for (int frame=0; frame<frameCount; frame++) {
fprintf(stderr, "Loading frame %i\n", frame);
// Grab Data From The AVI Stream
LPBITMAPINFOHEADER lpbi = (LPBITMAPINFOHEADER)AVIStreamGetFrame(pgf, frame);
// Pointer To Data Returned By AVIStreamGetFrame
// (Skip The Header Info To Get To The Data)
char* pdata = (char *)lpbi + lpbi->biSize + lpbi->biClrUsed * sizeof(RGBQUAD);
// Convert Data To Requested Bitmap Format
DrawDibDraw(hdd, hdc, 0, 0, width, height, lpbi, pdata, 0, 0, width, height, 0);
// copy into the freeimage thing
FIBITMAP* fiBitmap = FreeImage_ConvertFromRawBits((BYTE*)data, width, height, width*3, 24, 0xFF0000, 0x00FF00, 0x0000FF);
/* BYTE* src = (BYTE*)data;
for (int y=0; y<height; y++) {
BYTE* dst = FreeImage_GetScanLine(fiBitmap, y);
for (int x=0; x<width; x++) {
//src++;
*dst++ = *src++;
*dst++ = *src++;
*dst++ = *src++;
}
}
*/
FIBITMAP* grayBitmap = FreeImage_ConvertToGreyscale(fiBitmap);
FreeImage_Unload(fiBitmap);
FreeImage_AppendPage(ret, grayBitmap);
}
FreeImage_CloseMultiBitmap(ret);
ret = FreeImage_OpenMultiBitmap(FIF_TIFF, "temp.tiff", FALSE, TRUE);
DeleteObject(hBitmap); // Delete The Device Dependant Bitmap Object
DrawDibClose(hdd); // Closes The DrawDib Device Context
AVIStreamGetFrameClose(pgf); // Deallocates The GetFrame Resources
AVIStreamRelease(pavi); // Release The Stream
AVIFileExit(); // Release The File
return ret;
}
static void *bg_new_img(void *data)
{
/* so we can poll for it */
block_usr1_signal();
struct imv_loader *ldr = data;
char path[PATH_MAX] = "-";
pthread_mutex_lock(&ldr->lock);
int from_stdin = !strncmp(path, ldr->path, 2);
if(!from_stdin) {
(void)snprintf(path, PATH_MAX, "%s", ldr->path);
}
pthread_mutex_unlock(&ldr->lock);
FREE_IMAGE_FORMAT fmt;
if (from_stdin) {
pthread_mutex_lock(&ldr->lock);
ldr->fi_buffer = FreeImage_OpenMemory(ldr->buffer, ldr->buffer_size);
fmt = FreeImage_GetFileTypeFromMemory(ldr->fi_buffer, 0);
pthread_mutex_unlock(&ldr->lock);
} else {
fmt = FreeImage_GetFileType(path, 0);
}
if(fmt == FIF_UNKNOWN) {
if (from_stdin) {
pthread_mutex_lock(&ldr->lock);
FreeImage_CloseMemory(ldr->fi_buffer);
pthread_mutex_unlock(&ldr->lock);
}
error_occurred(ldr);
return NULL;
}
int num_frames = 1;
FIMULTIBITMAP *mbmp = NULL;
FIBITMAP *bmp = NULL;
int width, height;
int raw_frame_time = 100; /* default to 100 */
if(fmt == FIF_GIF) {
if(from_stdin) {
pthread_mutex_lock(&ldr->lock);
mbmp = FreeImage_LoadMultiBitmapFromMemory(FIF_GIF, ldr->fi_buffer,
GIF_LOAD256);
pthread_mutex_unlock(&ldr->lock);
} else {
mbmp = FreeImage_OpenMultiBitmap(FIF_GIF, path,
/* don't create file */ 0,
/* read only */ 1,
/* keep in memory */ 1,
/* flags */ GIF_LOAD256);
}
if(!mbmp) {
error_occurred(ldr);
return NULL;
}
num_frames = FreeImage_GetPageCount(mbmp);
FIBITMAP *frame = FreeImage_LockPage(mbmp, 0);
width = FreeImage_GetWidth(frame);
height = FreeImage_GetHeight(frame);
bmp = FreeImage_ConvertTo32Bits(frame);
/* get duration of first frame */
FITAG *tag = NULL;
FreeImage_GetMetadata(FIMD_ANIMATION, frame, "FrameTime", &tag);
if(FreeImage_GetTagValue(tag)) {
raw_frame_time = *(int*)FreeImage_GetTagValue(tag);
}
FreeImage_UnlockPage(mbmp, frame, 0);
} else {
/* Future TODO: If we load image line-by-line we could stop loading large
* ones before wasting much more time/memory on them. */
int flags = (fmt == FIF_JPEG) ? JPEG_EXIFROTATE : 0;
FIBITMAP *image;
if(from_stdin) {
pthread_mutex_lock(&ldr->lock);
image = FreeImage_LoadFromMemory(fmt, ldr->fi_buffer, flags);
pthread_mutex_unlock(&ldr->lock);
} else {
image = FreeImage_Load(fmt, path, flags);
}
if(!image) {
error_occurred(ldr);
pthread_mutex_lock(&ldr->lock);
FreeImage_CloseMemory(ldr->fi_buffer);
ldr->fi_buffer = NULL;
pthread_mutex_unlock(&ldr->lock);
return NULL;
}
/* Check for cancellation before we convert pixel format */
if(is_thread_cancelled()) {
FreeImage_Unload(image);
return NULL;
}
width = FreeImage_GetWidth(bmp);
height = FreeImage_GetHeight(bmp);
bmp = FreeImage_ConvertTo32Bits(image);
FreeImage_Unload(image);
}
/* now update the loader */
pthread_mutex_lock(&ldr->lock);
/* check for cancellation before finishing */
if(is_thread_cancelled()) {
if(mbmp) {
FreeImage_CloseMultiBitmap(mbmp, 0);
}
if(bmp) {
FreeImage_Unload(bmp);
}
pthread_mutex_unlock(&ldr->lock);
return NULL;
}
if(ldr->mbmp) {
FreeImage_CloseMultiBitmap(ldr->mbmp, 0);
}
if(ldr->bmp) {
FreeImage_Unload(ldr->bmp);
}
ldr->mbmp = mbmp;
ldr->bmp = bmp;
if(ldr->out_bmp) {
FreeImage_Unload(ldr->out_bmp);
}
ldr->out_bmp = FreeImage_Clone(bmp);
ldr->out_is_new_image = 1;
ldr->width = width;
ldr->height = height;
ldr->cur_frame = 0;
ldr->next_frame = 1;
ldr->num_frames = num_frames;
ldr->frame_time = (double)raw_frame_time * 0.0001;
pthread_mutex_unlock(&ldr->lock);
return NULL;
}
/*
* Render a particular frame to a canvas (not gif specific).
*/
bool CAnimation::renderFileFrame(CCanvas *cnv, unsigned int frame)
{
extern STRING g_projectPath;
cnv->ClearScreen(TRANSP_COLOR);
// Wrap around.
frame %= m_data.frameCount;
if (m_data.filename.empty()) return false;
const STRING file = resolve(g_projectPath + MISC_PATH + m_data.filename);
FIMULTIBITMAP *mbmp = FreeImage_OpenMultiBitmap(
FreeImage_GetFileType(getAsciiString(file).c_str(), 16),
getAsciiString(file).c_str(),
FALSE, TRUE, TRUE
);
if (!mbmp) return false;
CCanvas cnvImg;
cnvImg.CreateBlank(NULL, m_data.pxWidth, m_data.pxHeight, TRUE);
const int pageCount = FreeImage_GetPageCount(mbmp);
if (frame < pageCount)
{
CONST HDC hdc = cnvImg.OpenDC();
FIBITMAP *bmp = FreeImage_LockPage(mbmp, frame);
SetDIBitsToDevice(
hdc,
0, 0,
m_data.pxWidth, m_data.pxHeight,
0, 0,
0, FreeImage_GetHeight(bmp),
FreeImage_GetBits(bmp),
FreeImage_GetInfo(bmp),
DIB_RGB_COLORS
);
/* No need to stretch gif.
StretchDIBits(
hdc,
0, 0,
m_data.pxWidth, m_data.pxHeight,
0, 0,
FreeImage_GetWidth(bmp),
FreeImage_GetHeight(bmp),
FreeImage_GetBits(bmp),
FreeImage_GetInfo(bmp),
DIB_RGB_COLORS, SRCCOPY
);*/
FreeImage_UnlockPage(mbmp, bmp, FALSE);
cnvImg.CloseDC(hdc);
}
FreeImage_CloseMultiBitmap(mbmp, 0);
// Apply ambient level.
extern AMBIENT_LEVEL g_ambientLevel;
if (g_ambientLevel.color)
{
CCanvas cnvAl;
cnvAl.CreateBlank(NULL, m_data.pxWidth, m_data.pxHeight, TRUE);
cnvAl.ClearScreen(g_ambientLevel.color);
cnvAl.BltAdditivePart(cnvImg.GetDXSurface(), 0, 0, 0, 0, m_data.pxWidth, m_data.pxHeight, g_ambientLevel.sgn, -1, m_data.transpColors[frame]);
}
cnvImg.BltTransparent(cnv, 0, 0, m_data.transpColors[frame]);
return true;
}
/*
* Render all frames of a file (not gif specific).
*/
bool CAnimation::renderFileFrame(CCanvas *, unsigned int)
{
extern STRING g_projectPath;
if (m_data.filename.empty()) return false;
const STRING file = resolve(g_projectPath + MISC_PATH + m_data.filename);
FIMULTIBITMAP *mbmp = FreeImage_OpenMultiBitmap(
FreeImage_GetFileType(getAsciiString(file).c_str(), 16),
getAsciiString(file).c_str(),
FALSE, TRUE, TRUE
);
if (!mbmp) return false;
// Create ambient level canvas.
extern AMBIENT_LEVEL g_ambientLevel;
CCanvas cnvAl;
if (g_ambientLevel.color)
{
cnvAl.CreateBlank(NULL, m_data.pxWidth, m_data.pxHeight, TRUE);
cnvAl.ClearScreen(g_ambientLevel.color);
}
// Intermediate canvas.
CCanvas cnv;
cnv.CreateBlank(NULL, m_data.pxWidth, m_data.pxHeight, TRUE);
freeCanvases();
m_canvases.clear();
for (int i = 0; i != m_data.frameCount; ++i)
{
CONST HDC hdc = cnv.OpenDC();
FIBITMAP *bmp = FreeImage_LockPage(mbmp, i);
SetDIBitsToDevice(
hdc,
0, 0,
m_data.pxWidth, m_data.pxHeight,
0, 0,
0, FreeImage_GetHeight(bmp),
FreeImage_GetBits(bmp),
FreeImage_GetInfo(bmp),
DIB_RGB_COLORS
);
/* No need to stretch gif.
StretchDIBits(
hdc,
0, 0,
0, 0,
FreeImage_GetWidth(bmp),
FreeImage_GetHeight(bmp),
FreeImage_GetBits(bmp),
FreeImage_GetInfo(bmp),
DIB_RGB_COLORS, SRCCOPY
);*/
FreeImage_UnlockPage(mbmp, bmp, FALSE);
cnv.CloseDC(hdc);
// Apply ambient level.
if (g_ambientLevel.color)
{
cnvAl.BltAdditivePart(cnv.GetDXSurface(), 0, 0, 0, 0, m_data.pxWidth, m_data.pxHeight, g_ambientLevel.sgn, -1, m_data.transpColors[i]);
}
// Blt to the member canvas.
CCanvas *pCnv = new CCanvas();
pCnv->CreateBlank(NULL, m_data.pxWidth, m_data.pxHeight, TRUE);
pCnv->ClearScreen(TRANSP_COLOR);
cnv.BltTransparent(pCnv, 0, 0, m_data.transpColors[i]);
m_canvases.push_back(pCnv);
}
FreeImage_CloseMultiBitmap(mbmp, 0);
return true;
}
FreeImageGifData::FreeImageGifData(const std::string& filename, bool newInit /*= true*/) :
m_filename(filename),
m_gifHandle(nullptr)
{
m_gifHandle = FreeImage_OpenMultiBitmap(FIF_GIF, filename.c_str(), newInit, false);
}
//--------------------------------------------------------------
void ofxGifEncoder::save (vector <ofxGifFrame *> frames, string fileName, int nColors) {
if (nColors < 2 || nColors > 256) {
ofLog(OF_LOG_WARNING, "nColors must be between 2 and 256. your gif won't be saved");
return;
}
// create a multipage bitmap
FIMULTIBITMAP *multi = FreeImage_OpenMultiBitmap(FIF_GIF, ofToDataPath(fileName).c_str(), TRUE, FALSE);
FIBITMAP * bmp = NULL;
for(int i = 0; i < frames.size(); i++ ) {
// we need to swap the channels if we're on little endian (see ofImage::swapRgb);
#ifdef TARGET_LITTLE_ENDIAN
swapRgb(frames[i]);
#endif
// get the pixel data
bmp = FreeImage_ConvertFromRawBits(
frames[i]->pixels,
frames[i]->width,
frames[i]->height,
frames[i]->width*(frames[i]->bitsPerPixel/8),
frames[i]->bitsPerPixel,
0,
0,
0,
true // in of006 this (topdown) had to be false.
);
#ifdef TARGET_LITTLE_ENDIAN
swapRgb(frames[i]);
#endif
DWORD frameDuration = (DWORD) frames[i]->duration * 1000.f;
// bmp = FreeImage_ColorQuantize(bmp, FIQ_NNQUANT);
// if we want to set a reduced color palette (2 to 256);
bmp = FreeImage_ColorQuantizeEx(bmp, FIQ_NNQUANT, nColors);
// dithering :)
// you can set a different dither pattern for each frame
// bmp = FreeImage_Dither(bmp, (FREE_IMAGE_DITHER)((i+1)%6));
//bmp = FreeImage_Dither(bmp, FID_BAYER8x8);
// clear any animation metadata used by this dib as we’ll adding our own ones
FreeImage_SetMetadata(FIMD_ANIMATION, bmp, NULL, NULL);
// add animation tags to dib[i]
FITAG *tag = FreeImage_CreateTag();
if(tag) {
FreeImage_SetTagKey(tag, "FrameTime");
FreeImage_SetTagType(tag, FIDT_LONG);
FreeImage_SetTagCount(tag, 1);
FreeImage_SetTagLength(tag, 4);
FreeImage_SetTagValue(tag, &frameDuration);
FreeImage_SetMetadata(FIMD_ANIMATION, bmp, FreeImage_GetTagKey(tag), tag);
FreeImage_DeleteTag(tag);
}
FreeImage_AppendPage(multi, bmp);
}
FreeImage_Unload(bmp);
FreeImage_CloseMultiBitmap(multi);
}