void DLL_CALLCONV
FreeImage_DeletePage(FIMULTIBITMAP *bitmap, int page) {
if (bitmap) {
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
if ((!header->read_only) && (header->locked_pages.empty())) {
if (FreeImage_GetPageCount(bitmap) > 1) {
BlockListIterator i = FreeImage_FindBlock(bitmap, page);
if (i != header->m_blocks.end()) {
switch((*i)->m_type) {
case BLOCK_CONTINUEUS :
header->m_blocks.erase(i);
break;
case BLOCK_REFERENCE :
header->m_cachefile->deleteFile(((BlockReference *)(*i))->m_reference);
header->m_blocks.erase(i);
break;
}
header->changed = TRUE;
header->page_count = -1;
}
}
}
}
}
void DLL_CALLCONV
FreeImage_InsertPage(FIMULTIBITMAP *bitmap, int page, FIBITMAP *data) {
if (!bitmap || !data)
return;
if (page >= FreeImage_GetPageCount(bitmap))
return;
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
BlockReference *block = FreeImage_SavePageToBlock(header, data);
if(block==NULL) return;
// add a block
if (page > 0) {
BlockListIterator block_source = FreeImage_FindBlock(bitmap, page);
header->m_blocks.insert(block_source, (BlockTypeS *)block);
} else {
header->m_blocks.push_front((BlockTypeS *)block);
}
header->changed = TRUE;
header->page_count = -1;
}
void FreeImageGifData::add24bitBGRDataPage(int width, int height, BYTE* pData)
{
FIBITMAP* newBitmap = FreeImage_Allocate(width, height, 24, 0x0000FF, 0x00FF00, 0xFF0000);
BYTE* bitmapData = FreeImage_GetBits(newBitmap);
memcpy(bitmapData, pData, width * height * 3);
//Set metadata
FIBITMAP* convBitmap = FreeImage_ColorQuantizeEx(newBitmap, FIQ_WUQUANT, 256);
FITAG* delayTag = FreeImage_CreateTag();
FreeImage_SetMetadata(FIMD_ANIMATION, convBitmap, NULL, NULL);
LONG delayVal = 20;
if (delayTag) {
FreeImage_SetTagKey(delayTag, "FrameTime");
FreeImage_SetTagType(delayTag, FIDT_LONG);
FreeImage_SetTagCount(delayTag, 1);
FreeImage_SetTagLength(delayTag, 4);
FreeImage_SetTagValue(delayTag, &delayVal);
FreeImage_SetMetadata(FIMD_ANIMATION, convBitmap, FreeImage_GetTagKey(delayTag), delayTag);
FreeImage_DeleteTag(delayTag);
}
FreeImage_AppendPage(m_gifHandle, convBitmap);
int pCount = FreeImage_GetPageCount(m_gifHandle);
FreeImage_Unload(newBitmap);
FreeImage_Unload(convBitmap);
}
void DLL_CALLCONV
FreeImage_InsertPage(FIMULTIBITMAP *bitmap, int page, FIBITMAP *data) {
if ((bitmap) && (data)) {
if (page < FreeImage_GetPageCount(bitmap)) {
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
if ((!header->read_only) && (header->locked_pages.empty())) {
DWORD compressed_size = 0;
BYTE *compressed_data = NULL;
// compress the bitmap data
// open a memory handle
FIMEMORY *hmem = FreeImage_OpenMemory();
// save the file to memory
FreeImage_SaveToMemory(header->cache_fif, data, hmem, 0);
// get the buffer from the memory stream
FreeImage_AcquireMemory(hmem, &compressed_data, &compressed_size);
// write the compressed data to the cache
int ref = header->m_cachefile->writeFile(compressed_data, compressed_size);
// add a block
if (page > 0) {
BlockListIterator block_source = FreeImage_FindBlock(bitmap, page);
BlockReference *block = new BlockReference(ref, compressed_size);
header->m_blocks.insert(block_source, (BlockTypeS *)block);
} else {
BlockReference *block = new BlockReference(ref, compressed_size);
header->m_blocks.push_front((BlockTypeS *)block);
}
// get rid of the compressed buffer
FreeImage_CloseMemory(hmem);
header->changed = TRUE;
header->page_count = -1;
}
}
}
}
// 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;
}
BOOL DLL_CALLCONV
FreeImage_MovePage(FIMULTIBITMAP *bitmap, int target, int source) {
if (bitmap) {
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
if ((!header->read_only) && (header->locked_pages.empty())) {
if ((target != source) && ((target >= 0) && (target < FreeImage_GetPageCount(bitmap))) && ((source >= 0) && (source < FreeImage_GetPageCount(bitmap)))) {
BlockListIterator block_source = FreeImage_FindBlock(bitmap, target);
BlockListIterator block_target = FreeImage_FindBlock(bitmap, source);
header->m_blocks.insert(block_target, *block_source);
header->m_blocks.erase(block_source);
header->changed = TRUE;
return TRUE;
}
}
}
return FALSE;
}
void DLL_CALLCONV
FreeImage_InsertPage(FIMULTIBITMAP *bitmap, int page, FIBITMAP *data) {
if (!bitmap || !data) {
return;
}
if (page >= FreeImage_GetPageCount(bitmap)) {
return;
}
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
if(const PageBlock block = FreeImage_SavePageToBlock(header, data)) {
// add a block
if (page > 0) {
BlockListIterator block_source = FreeImage_FindBlock(bitmap, page);
header->m_blocks.insert(block_source, block);
} else {
header->m_blocks.push_front(block);
}
header->changed = TRUE;
header->page_count = -1;
}
}
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;
}
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;
}
unsigned int
FreeImageStack::slices()
const
{
return FreeImage_GetPageCount(pImageStack_);
}
void task_glow_precalc() {
FIMULTIBITMAP* anim = inputanim;
float thresh=0.5;
float gain=2.0;
float blur=1.5;
int frameskip=1;
sscanf(args[1].c_str(), "%f", &thresh);
sscanf(args[2].c_str(), "%f", &gain);
sscanf(args[3].c_str(), "%f", &blur);
sscanf(args[4].c_str(), "%i", &frameskip);
int frameCount = FreeImage_GetPageCount(anim);
vector<double> fb;
for (int frame=0; frame<frameCount/frameskip; frame++) {
FIBITMAP* fiBitmap = FreeImage_LockPage(anim, frame*frameskip);
FIBITMAP* grayBitmap = FreeImage_ConvertToGreyscale(fiBitmap);
FreeImage_UnlockPage(anim, fiBitmap, FALSE);
int width = FreeImage_GetWidth(grayBitmap);
int height = FreeImage_GetHeight(grayBitmap);
// put into an array of doubles (phew)
fb.resize(width*height);
for (int y=0; y<height; y++) {
BYTE* src = FreeImage_GetScanLine(grayBitmap, y);
double* dst = &fb[y*width];
for (int x=0; x<width; x++) {
*dst++ = *src++ * (1.0/255);
}
}
// threshold
for (int i=0; i<(int)fb.size(); i++) {
double& v = fb[i];
v = (v-thresh)*gain;
if (v<0) v=0;
}
// blur
Blur(fb, width, height, blur);
// put it back into greyBitmap
for (int y=0; y<height; y++) {
BYTE* dst = FreeImage_GetScanLine(grayBitmap, y);
double* src = &fb[y*width];
for (int x=0; x<width; x++) {
double v = *src++ * 256;
if (v<0) v=0;
if (v>255) v=255;
*dst++ = int(v);
}
}
// downsample it to glowgrid
FIBITMAP* smallBitmap = FreeImage_Rescale(grayBitmap, GLOWGRID_W, GLOWGRID_H, FILTER_BSPLINE);
// print result (should use 4bpp not 8?)
for (int y=0; y<GLOWGRID_H; y++) {
BYTE* src = FreeImage_GetScanLine(smallBitmap, y);
for (int x=0; x<GLOWGRID_W; x++) {
putchar( *src++ );
}
}
}
}
/*
* 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;
}
int fipMultiPage::getPageCount() const {
return _mpage ? FreeImage_GetPageCount(_mpage) : 0;
}