// Transmits an entire frame of imagery to the client
int sendFullFrame(SOCKET &clientSocket) {
int status = 0;
FIBITMAP *fiImage;
FIMEMORY *fiBuffer;
// Signal that a new frame is required and wait for frame
InterlockedExchange( &g_lRequestFlag, TRUE );
g_pRequestEvent->waitFor();
// Enter critical section for frame buffer from UT2004
// and copy new raw image to local buffer
EnterCriticalSection( &g_CriticalSection );
{
fiImage = FreeImage_ConvertTo24Bits(g_fiImage);
}
LeaveCriticalSection( &g_CriticalSection );
// Create memory reference
fiBuffer = FreeImage_OpenMemory();
// Convert a raw frame to a useful image
status = writeFrame( fiBuffer, fiImage, g_iImageType );
if (status != 1) status = 0; // TODO: handle error here
// Transmit frame over socket
status = transmitFrame( fiBuffer, clientSocket, g_iImageType );
// Delete memory references
FreeImage_Unload( fiImage );
FreeImage_CloseMemory( fiBuffer );
return status;
}
FIBITMAP *GraphicsHelps::loadImageRC(const char *file)
{
unsigned char *memory = nullptr;
size_t fileSize = 0;
SDL_assert_release(RES_getMem(file, memory, fileSize));
//{
//pLogCritical("Resource file \"%s\" is not found!", file);
//return nullptr;
//}
FIMEMORY *imgMEM = FreeImage_OpenMemory(memory, static_cast<FI_DWORD>(fileSize));
FREE_IMAGE_FORMAT formato = FreeImage_GetFileTypeFromMemory(imgMEM);
if(formato == FIF_UNKNOWN)
return nullptr;
FIBITMAP *img = FreeImage_LoadFromMemory(formato, imgMEM, 0);
FreeImage_CloseMemory(imgMEM);
if(!img)
return nullptr;
FIBITMAP *temp;
temp = FreeImage_ConvertTo32Bits(img);
if(!temp)
return nullptr;
FreeImage_Unload(img);
img = temp;
return img;
}
//---------------------------------------------------------------------
DataStreamPtr FreeImageCodec::code(MemoryDataStreamPtr& input, Codec::CodecDataPtr& pData) const
{
// Set error handler
FreeImage_SetOutputMessage(FreeImageSaveErrorHandler);
FIBITMAP* fiBitmap = encode(input, pData);
// open memory chunk allocated by FreeImage
FIMEMORY* mem = FreeImage_OpenMemory();
// write data into memory
FreeImage_SaveToMemory((FREE_IMAGE_FORMAT)mFreeImageType, fiBitmap, mem);
// Grab data information
BYTE* data;
DWORD size;
FreeImage_AcquireMemory(mem, &data, &size);
// Copy data into our own buffer
// Because we're asking MemoryDataStream to free this, must create in a compatible way
BYTE* ourData = OGRE_ALLOC_T(BYTE, size, MEMCATEGORY_GENERAL);
memcpy(ourData, data, size);
// Wrap data in stream, tell it to free on close
DataStreamPtr outstream(OGRE_NEW MemoryDataStream(ourData, size, true));
// Now free FreeImage memory buffers
FreeImage_CloseMemory(mem);
// Unload bitmap
FreeImage_Unload(fiBitmap);
return outstream;
}
//---------------------------------------------------------------------
DataStreamPtr FreeImageCodec::code(MemoryDataStreamPtr& input, Codec::CodecDataPtr& pData) const
{
FIBITMAP* fiBitmap = encode(input, pData);
// open memory chunk allocated by FreeImage
FIMEMORY* mem = FreeImage_OpenMemory();
// write data into memory
FreeImage_SaveToMemory((FREE_IMAGE_FORMAT)mFreeImageType, fiBitmap, mem);
// Grab data information
BYTE* data;
DWORD size;
FreeImage_AcquireMemory(mem, &data, &size);
// Copy data into our own buffer
BYTE* ourData = new BYTE[size];
memcpy(ourData, data, size);
// Wrap data in stream, tell it to free on close
DataStreamPtr outstream(new MemoryDataStream(ourData, size, true));
// Now free FreeImage memory buffers
FreeImage_CloseMemory(mem);
// Unload bitmap
FreeImage_Unload(fiBitmap);
return outstream;
}
static BlockReference*
FreeImage_SavePageToBlock(MULTIBITMAPHEADER *header, FIBITMAP *data) {
if (header->read_only || !header->locked_pages.empty())
return NULL;
DWORD compressed_size = 0;
BYTE *compressed_data = NULL;
// compress the bitmap data
// open a memory handle
FIMEMORY *hmem = FreeImage_OpenMemory();
if(hmem==NULL) return NULL;
// save the file to memory
if(!FreeImage_SaveToMemory(header->cache_fif, data, hmem, 0)) {
FreeImage_CloseMemory(hmem);
return NULL;
}
// get the buffer from the memory stream
if(!FreeImage_AcquireMemory(hmem, &compressed_data, &compressed_size)) {
FreeImage_CloseMemory(hmem);
return NULL;
}
// write the compressed data to the cache
int ref = header->m_cachefile->writeFile(compressed_data, compressed_size);
// get rid of the compressed data
FreeImage_CloseMemory(hmem);
return new(std::nothrow) BlockReference(ref, compressed_size);
}
// 独立函数，读取gif图片，写白背景，转为PNG并写入缓存，返回缓存地址
FOX_DLL FIMEMORY * gif2png_bufopen(char *gifpath, BYTE ** buffpointeraddr, DWORD * bufflenaddr)
{
FIBITMAP * hImage ;
RGBQUAD * pal ;
FIMEMORY * hMemory = NULL ;
BYTE *mem_buffer = NULL ;
DWORD size_in_bytes = 0 ;
hImage = FreeImage_Load(FIF_GIF, gifpath, 0);
pal = FreeImage_GetPalette(hImage);
pal[70].rgbRed = 255 ;
pal[70].rgbGreen = 255 ;
pal[70].rgbBlue = 255 ;
FreeImage_SetTransparent(hImage, false);
hMemory = FreeImage_OpenMemory() ;
FreeImage_SaveToMemory(FIF_PNG, hImage, hMemory, PNG_DEFAULT) ;
FreeImage_Unload(hImage) ;
FreeImage_AcquireMemory(hMemory, &mem_buffer, &size_in_bytes);
*buffpointeraddr = mem_buffer ;
*bufflenaddr = size_in_bytes ;
return hMemory ;
// FreeImage_CloseMemory(hMemory) ; // 使用完缓存记得要释放
}
void testAcquireMemIO(const char *lpszPathName) {
FIMEMORY *hmem = NULL;
// load a regular file
FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(lpszPathName);
FIBITMAP *dib = FreeImage_Load(fif, lpszPathName, 0);
// open and allocate a memory stream
hmem = FreeImage_OpenMemory();
// save the file to memory
FreeImage_SaveToMemory(FIF_PNG, dib, hmem, PNG_DEFAULT);
FreeImage_Unload(dib);
// get the buffer from the memory stream
BYTE *mem_buffer = NULL;
DWORD size_in_bytes = 0;
FreeImage_AcquireMemory(hmem, &mem_buffer, &size_in_bytes);
// save the buffer in a file stream
FILE *stream = fopen("buffer.png", "wb");
if(stream) {
fwrite(mem_buffer, sizeof(BYTE), size_in_bytes, stream);
fclose(stream);
}
// close and free the memory stream
FreeImage_CloseMemory(hmem);
}
unsigned char * HVSTGFX::loadImageFile(CFileData *image, HVSTGFX::IMAGEFILE *imgFile, GLuint &texture)
{
FREE_IMAGE_FORMAT fif = FreeImage_GetFIFFromFilename(image->getName().c_str());
FIMEMORY * stream = 0;
unsigned char tempRGB;
GLuint tempTex = 0;
GLenum errCode;
bool error = false;
stream = FreeImage_OpenMemory(image->getData());
if(FreeImage_FIFSupportsReading(fif))
imgFile->dib = FreeImage_LoadFromMemory(fif, stream);
if(!imgFile->dib)
{
glbl->debugger->writeString("failed to open sprite " + image->getName());
return NULL;
}
//pointer to image data
unsigned char* bits;
bits = FreeImage_GetBits(imgFile->dib);
imgFile->width = FreeImage_GetWidth(imgFile->dib); imgFile->height = FreeImage_GetHeight(imgFile->dib);
imgFile->size = sizeof(bits);
int size = imgFile->width*imgFile->height;//(FreeImage_GetWidth(dib) * FreeImage_GetHeight(dib));
for (int imageIDx = 0; imageIDx < size * 4; imageIDx += 4)
{
tempRGB = bits[imageIDx];
bits[imageIDx] = bits[imageIDx + 2];
bits[imageIDx + 2] = tempRGB;
}
glGenTextures(1, &tempTex);
texture = tempTex;
errCode = glGetError();
if (errCode != GL_NO_ERROR)
{
MessageBox(NULL, _T("Unable to detect OpenGL support. Check if you have your graphics driver installed, or if your graphics card supports OpenGL."), NULL, NULL);
}
glBindTexture(GL_TEXTURE_2D, texture);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, imgFile->width, imgFile->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, bits);
//FreeImage_Unload(dib);
#ifdef _DEBUG
if (!error)
glbl->debugger->writeString("successfully loaded sprite " + image->getName() + "\n");
#endif
return bits;
}
Ogre::TexturePtr textureFromBytes(const QByteArray &ba,
const std::string &name) {
static bool fi_init = false;
if (!fi_init) {
FreeImage_Initialise();
}
void *data = const_cast<char *>(ba.data());
FIMEMORY *mem =
FreeImage_OpenMemory(reinterpret_cast<BYTE *>(data), ba.size());
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(mem, 0);
if (fif == FIF_UNKNOWN) {
FreeImage_CloseMemory(mem);
throw std::runtime_error("Image format is not supported for loading");
}
FIBITMAP *bmp = FreeImage_LoadFromMemory(fif, mem, 0);
FreeImage_CloseMemory(mem);
if (!bmp) {
throw std::runtime_error("Failed to decode image");
}
FIBITMAP *converted = FreeImage_ConvertTo24Bits(bmp);
FreeImage_Unload(bmp);
if (!converted) {
throw std::runtime_error("Failed to convert image to 24 bit");
}
const unsigned w = FreeImage_GetWidth(converted);
const unsigned h = FreeImage_GetHeight(converted);
const unsigned data_size = w * h * 3;
BYTE *image_data = FreeImage_GetBits(converted);
ROS_INFO("Loading a %u x %u texture", w, h);
// create texture
Ogre::TexturePtr texture;
try {
Ogre::DataStreamPtr data_stream;
data_stream.bind(new Ogre::MemoryDataStream(image_data, data_size));
const Ogre::String res_group =
Ogre::ResourceGroupManager::DEFAULT_RESOURCE_GROUP_NAME;
Ogre::TextureManager &texture_manager =
Ogre::TextureManager::getSingleton();
texture =
texture_manager.loadRawData(name, res_group, data_stream, w, h,
Ogre::PF_R8G8B8, Ogre::TEX_TYPE_2D, 0);
}
catch (...) {
// clean up FreeImage before re-throwing
FreeImage_Unload(converted);
throw;
}
return texture;
}
bool isThisFormat(MemChunk& mc)
{
FIMEMORY* mem = FreeImage_OpenMemory((BYTE*)mc.getData(), mc.getSize());
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(mem, 0);
FreeImage_CloseMemory(mem);
if (fif == FIF_UNKNOWN)
return false;
else
return true;
}
FIBITMAP* FreeImage_LoadFromMem(FREE_IMAGE_FORMAT fif, fiio_mem_handle *handle, int flags)
{
if (handle && handle->data) {
FIMEMORY *hmem = FreeImage_OpenMemory((BYTE *)handle->data, handle->datalen);
FREE_IMAGE_FORMAT _fif = (fif != FIF_UNKNOWN) ? fif : FreeImage_GetFileTypeFromMemory(hmem, 0);
FIBITMAP *dib = FreeImage_LoadFromMemory(_fif, hmem, flags);
FreeImage_CloseMemory(hmem);
}
return NULL;
}
void FI(loadImageFile)(Bitmap& bitmap, Gosu::Reader input)
{
// Read all available input
std::vector<BYTE> data(input.resource().size() - input.position());
input.read(&data[0], data.size());
FIMEMORY* fim = FreeImage_OpenMemory(&data[0], data.size());
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(fim);
FIBITMAP* fib = FreeImage_LoadFromMemory(fif, fim, GOSU_FIFLAGS);
checkForFreeImageErrors(fib != 0);
fibToBitmap(bitmap, fib, fif);
}
/**
Get the embedded JPEG preview image from RAW picture with included Exif Data.
@param RawProcessor Libraw handle
@param flags JPEG load flags
@return Returns the loaded dib if successfull, returns NULL otherwise
*/
static FIBITMAP *
libraw_LoadEmbeddedPreview(LibRaw *RawProcessor, int flags) {
FIBITMAP *dib = NULL;
libraw_processed_image_t *thumb_image = NULL;
try {
// unpack data
if(RawProcessor->unpack_thumb() != LIBRAW_SUCCESS) {
// run silently "LibRaw : failed to run unpack_thumb"
return NULL;
}
// retrieve thumb image
int error_code = 0;
thumb_image = RawProcessor->dcraw_make_mem_thumb(&error_code);
if(thumb_image) {
if(thumb_image->type != LIBRAW_IMAGE_BITMAP) {
// attach the binary data to a memory stream
FIMEMORY *hmem = FreeImage_OpenMemory((BYTE*)thumb_image->data, (DWORD)thumb_image->data_size);
// get the file type
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem, 0);
if(fif == FIF_JPEG) {
// rotate according to Exif orientation
flags |= JPEG_EXIFROTATE;
}
// load an image from the memory stream
dib = FreeImage_LoadFromMemory(fif, hmem, flags);
// close the stream
FreeImage_CloseMemory(hmem);
} else if((flags & FIF_LOAD_NOPIXELS) != FIF_LOAD_NOPIXELS) {
// convert processed data to output dib
dib = libraw_ConvertProcessedImageToDib(thumb_image);
}
} else {
throw "LibRaw : failed to run dcraw_make_mem_thumb";
}
// clean-up and return
RawProcessor->dcraw_clear_mem(thumb_image);
return dib;
} catch(const char *text) {
// clean-up and return
if(thumb_image) {
RawProcessor->dcraw_clear_mem(thumb_image);
}
if(text != NULL) {
FreeImage_OutputMessageProc(s_format_id, text);
}
}
return NULL;
}
int CPropertiesFiles::previewWndProc(HWND hwndDlg, UINT uMsg, WPARAM wParam, LPARAM lParam) {
static bool fDowned=false;
switch (uMsg) {
case WM_INITDIALOG:
if (!fiBitmap) {
FIMEMORY* fiMemory=FreeImage_OpenMemory((BYTE*)lParam,bitmapInfo->unc_size);
RECT rect;
POINT pt={0,0};
if (fiBitmap=FreeImage_LoadFromMemory(_tcsicmp(bitmapInfo->name+_tcslen(bitmapInfo->name)-4,".tga")?_tcsicmp(bitmapInfo->name+_tcslen(bitmapInfo->name)-4,".bmp")?FIF_JPEG:FIF_BMP:FIF_TARGA,fiMemory)) {
::GetWindowRect(hwndDlg,&rect);
::ClientToScreen(hwndDlg,&pt);
rect.right=FreeImage_GetWidth(fiBitmap)+(pt.x-rect.left);
rect.bottom=FreeImage_GetHeight(fiBitmap)+(pt
.y-rect.top);;
::MoveWindow(hwndDlg,rect.left,rect.top,rect.right,rect.bottom,FALSE);
FreeImage_CloseMemory(fiMemory);
::SetWindowText(hwndDlg,_tcsrchr(bitmapInfo->name,'/')+1);
fDowned=false;
} else {
fDowned=true;
::EndDialog(hwndDlg,0);
}
}
break;
case WM_LBUTTONDOWN:
case WM_RBUTTONDOWN:
fDowned=true;
break;
case WM_CLOSE:
fDowned=true;
case WM_LBUTTONUP:
case WM_RBUTTONUP:
if (fDowned) {
FreeImage_Unload(fiBitmap);
fiBitmap=NULL;
::EndDialog(hwndDlg,0);
}
break;
case WM_PAINT:
{
HDC hDC=::GetDC(hwndDlg);
::SetStretchBltMode(hDC, COLORONCOLOR);
::StretchDIBits(hDC, 0,0,FreeImage_GetWidth(fiBitmap), FreeImage_GetHeight(fiBitmap),
0, 0, FreeImage_GetWidth(fiBitmap), FreeImage_GetHeight(fiBitmap),
FreeImage_GetBits(fiBitmap), FreeImage_GetInfo(fiBitmap), DIB_RGB_COLORS, SRCCOPY);
::ReleaseDC(hwndDlg,hDC);
}
}
return FALSE;
}
void TextureManager::loadTexture2DMem(unsigned char* imageData,long length) {
FIMEMORY* hmem = FreeImage_OpenMemory(imageData,length);
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
FIBITMAP* image = FreeImage_LoadFromMemory(fif, hmem, 0);
FIBITMAP* temp = image;
image = FreeImage_ConvertTo32Bits(image);
FreeImage_Unload(temp);
FreeImage_CloseMemory(hmem);
int w = FreeImage_GetWidth(image);
int h = FreeImage_GetHeight(image);
printf("[Texture Manager] Image loaded from memory, is %d x %d\n",w,h);
GLubyte* textureBytes = new GLubyte[4*w*h];
char* pixels = (char*)FreeImage_GetBits(image);
//FreeImage loads in BGR format, so we need to swap some bytes(Or use GL_BGR)
for(int j= 0; j<w*h; j++) {
textureBytes[j*4+0]= pixels[j*4+2];
textureBytes[j*4+1]= pixels[j*4+1];
textureBytes[j*4+2]= pixels[j*4+0];
textureBytes[j*4+3]= pixels[j*4+3];
}
glGenTextures(1, &(textInt));
glBindTexture(GL_TEXTURE_2D, textInt);
glTexImage2D(GL_TEXTURE_2D,0,GL_RGBA, w, h, 0, GL_RGBA,GL_UNSIGNED_BYTE,(GLvoid*)textureBytes );
Textures.push_back(textInt);
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
GLenum errorLoading = glGetError();
if(errorLoading) {
cout<<"There was an error loading the texture: "<<errorLoading<<endl;
}
}
void DLL_CALLCONV
FreeImage_UnlockPage(FIMULTIBITMAP *bitmap, FIBITMAP *page, BOOL changed) {
if ((bitmap) && (page)) {
MULTIBITMAPHEADER *header = FreeImage_GetMultiBitmapHeader(bitmap);
// find out if the page we try to unlock is actually locked...
if (header->locked_pages.find(page) != header->locked_pages.end()) {
// store the bitmap compressed in the cache for later writing
if (changed && !header->read_only) {
header->changed = TRUE;
// cut loose the block from the rest
BlockListIterator i = FreeImage_FindBlock(bitmap, header->locked_pages[page]);
// compress the data
DWORD compressed_size = 0;
BYTE *compressed_data = NULL;
// open a memory handle
FIMEMORY *hmem = FreeImage_OpenMemory();
// save the page to memory
FreeImage_SaveToMemory(header->cache_fif, page, hmem, 0);
// get the buffer from the memory stream
FreeImage_AcquireMemory(hmem, &compressed_data, &compressed_size);
// write the data to the cache
if (i->m_type == BLOCK_REFERENCE) {
header->m_cachefile.deleteFile(i->getReference());
}
int iPage = header->m_cachefile.writeFile(compressed_data, compressed_size);
*i = PageBlock(BLOCK_REFERENCE, iPage, compressed_size);
// get rid of the compressed data
FreeImage_CloseMemory(hmem);
}
// reset the locked page so that another page can be locked
FreeImage_Unload(page);
header->locked_pages.erase(page);
}
}
}
FIMEMORY* FreeImage_SaveToMem(FREE_IMAGE_FORMAT fif, FIBITMAP *dib, fiio_mem_handle *handle, int flags)
{
if (handle) {
FIMEMORY *hmem = FreeImage_OpenMemory(NULL, 0);
if(fif == FIF_UNKNOWN)
fif = FIF_BMP;
handle->curpos = 0;
FreeImage_SaveToMemory(fif, dib, hmem, flags);
FreeImage_AcquireMemory(hmem, (BYTE **)&handle->data, (DWORD *)&handle->datalen);
return hmem;
}
return NULL;
}
bool FreeImageData::loadMem(unsigned char*data, unsigned long size, std::string filename)
{
FIMEMORY * mem = FreeImage_OpenMemory(data, size);
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(mem, size);
if (fif == FIF_UNKNOWN){
fif = FreeImage_GetFIFFromFilename(filename.c_str());
}
if(fif == FIF_UNKNOWN)
return false;
m_bitmap = FreeImage_LoadFromMemory(fif, mem);
FreeImage_CloseMemory(mem);
return m_bitmap != NULL;
}
//----------------------------------------------------
bool ofImage::loadImageFromMemory(const ofBuffer & buffer, ofPixels &pix){
int width, height, bpp;
bool bLoaded = false;
FIBITMAP * bmp = NULL;
FIMEMORY *hmem = NULL;
printf("loadImageFromMemory\n");
hmem = FreeImage_OpenMemory((unsigned char*)buffer.getBuffer(), buffer.size());
if (hmem == NULL){
ofLog(OF_LOG_ERROR,"couldn't create memory handle! \n");
return false;
}
//get the file type!
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
if( fif == -1 ){
ofLog(OF_LOG_ERROR,"unable to guess format", fif);
return false;
FreeImage_CloseMemory(hmem);
}
//make the image!!
bmp = FreeImage_LoadFromMemory(fif, hmem, 0);
if( bmp != NULL ){
bLoaded = true;
ofLog(OF_LOG_VERBOSE,"FreeImage_LoadFromMemory worked!\n");
}
//-----------------------------
if (bLoaded){
putBmpIntoPixels(bmp,pix);
} else {
width = height = bpp = 0;
}
if (bmp != NULL){
FreeImage_Unload(bmp);
}
if( hmem != NULL ){
FreeImage_CloseMemory(hmem);
}
return bLoaded;
}
static bool loadImage(ofPixels_<PixelType> & pix, const ofBuffer & buffer, const ofImageLoadSettings &settings){
ofInitFreeImage();
bool bLoaded = false;
FIBITMAP* bmp = nullptr;
FIMEMORY* hmem = nullptr;
hmem = FreeImage_OpenMemory((unsigned char*) buffer.getData(), buffer.size());
if (hmem == nullptr){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, opening FreeImage memory failed";
return false;
}
//get the file type!
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
if( fif == -1 ){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, unable to guess image format from memory";
FreeImage_CloseMemory(hmem);
return false;
}
//make the image!!
if(fif == FIF_JPEG) {
int option = getJpegOptionFromImageLoadSetting(settings);
bmp = FreeImage_LoadFromMemory(fif, hmem, option);
} else {
bmp = FreeImage_LoadFromMemory(fif, hmem, 0);
}
if( bmp != nullptr ){
bLoaded = true;
}
//-----------------------------
if (bLoaded){
putBmpIntoPixels(bmp,pix);
}
if (bmp != nullptr){
FreeImage_Unload(bmp);
}
if( hmem != nullptr ){
FreeImage_CloseMemory(hmem);
}
return bLoaded;
}
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;
}
}
}
}
static bool loadImage(ofPixels_<PixelType> & pix, const ofBuffer & buffer){
ofInitFreeImage();
bool bLoaded = false;
FIBITMAP* bmp = NULL;
FIMEMORY* hmem = NULL;
hmem = FreeImage_OpenMemory((unsigned char*) buffer.getBinaryBuffer(), buffer.size());
if (hmem == NULL){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, opening FreeImage memory failed";
return false;
}
//get the file type!
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
if( fif == -1 ){
ofLogError("ofImage") << "loadImage(): couldn't load image from ofBuffer, unable to guess image format from memory";
return false;
FreeImage_CloseMemory(hmem);
}
//make the image!!
bmp = FreeImage_LoadFromMemory(fif, hmem, 0);
if( bmp != NULL ){
bLoaded = true;
}
//-----------------------------
if (bLoaded){
putBmpIntoPixels(bmp,pix);
}
if (bmp != NULL){
FreeImage_Unload(bmp);
}
if( hmem != NULL ){
FreeImage_CloseMemory(hmem);
}
return bLoaded;
}
/**
Write a metadata model as a TIF IFD, returns the IFD as a buffer.
The buffer is allocated by the function and must be freed by the caller, using 'free'.
@param dib Input FIBITMAP
@param md_model Metadata model to write
@param ppbProfile Returned buffer
@param uProfileLength Returned buffer size
@return Returns TRUE if successful, FALSE otherwise
@see tiff_write_ifd
*/
BOOL
tiff_get_ifd_profile(FIBITMAP *dib, FREE_IMAGE_MDMODEL md_model, BYTE **ppbProfile, unsigned *uProfileLength) {
FIMEMORY *hmem = NULL;
try {
// open a memory stream
hmem = FreeImage_OpenMemory(NULL, 0);
if(!hmem) {
throw(1);
}
// write the metadata model as a TIF IFD
BOOL bResult = tiff_write_ifd(dib, md_model, hmem);
if(bResult) {
BYTE *data = NULL;
DWORD size_in_bytes = 0;
// get a pointer to the stream buffer
FreeImage_AcquireMemory(hmem, &data, &size_in_bytes);
// (re-)allocate output buffer
BYTE *pbProfile = *ppbProfile;
pbProfile = (BYTE*)realloc(pbProfile, size_in_bytes);
if(!pbProfile) {
throw(1);
} else {
// copy IFD
memcpy(pbProfile, data, size_in_bytes);
*ppbProfile = pbProfile;
*uProfileLength = size_in_bytes;
}
}
// free the memory stream
FreeImage_CloseMemory(hmem);
return bResult;
} catch(int) {
FreeImage_CloseMemory(hmem);
return FALSE;
}
}
static bool loadImage(ofPixels_<PixelType> & pix, const ofBuffer & buffer){
ofInitFreeImage();
bool bLoaded = false;
FIBITMAP* bmp = NULL;
FIMEMORY* hmem = NULL;
hmem = FreeImage_OpenMemory((unsigned char*) buffer.getBinaryBuffer(), buffer.size());
if (hmem == NULL){
ofLog(OF_LOG_ERROR, "couldn't create memory handle!");
return false;
}
//get the file type!
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(hmem);
if( fif == -1 ){
ofLog(OF_LOG_ERROR, "unable to guess format", fif);
return false;
FreeImage_CloseMemory(hmem);
}
//make the image!!
bmp = FreeImage_LoadFromMemory(fif, hmem, 0);
if( bmp != NULL ){
bLoaded = true;
}
//-----------------------------
if (bLoaded){
putBmpIntoPixels(bmp,pix);
}
if (bmp != NULL){
FreeImage_Unload(bmp);
}
if( hmem != NULL ){
FreeImage_CloseMemory(hmem);
}
return bLoaded;
}
static INT_PTR serviceLoadFromMem(WPARAM wParam, LPARAM lParam)
{
IMGSRVC_MEMIO *mio = (IMGSRVC_MEMIO *)wParam;
if(mio->iLen == 0 || mio->pBuf == NULL)
return 0;
FIMEMORY *hmem = FreeImage_OpenMemory((BYTE *)mio->pBuf, mio->iLen);
FREE_IMAGE_FORMAT fif = (mio->fif != FIF_UNKNOWN) ? mio->fif : mio->fif = FreeImage_GetFileTypeFromMemory(hmem, 0);
FIBITMAP *dib = FreeImage_LoadFromMemory(fif, hmem, mio->flags);
FreeImage_CloseMemory(hmem);
if(dib == NULL || (lParam & IMGL_RETURNDIB))
return (INT_PTR)dib;
HBITMAP hbm = FreeImage_CreateHBITMAPFromDIB(dib);
FreeImage_Unload(dib);
return (INT_PTR)hbm;
}
std::shared_ptr<FIBITMAP> load_png_from_memory(const void* memory_location, size_t size)
{
FREE_IMAGE_FORMAT fif = FIF_PNG;
auto memory = std::unique_ptr<FIMEMORY, decltype(&FreeImage_CloseMemory)>(
FreeImage_OpenMemory(static_cast<BYTE*>(const_cast<void*>(memory_location)), size),
FreeImage_CloseMemory);
auto bitmap = std::shared_ptr<FIBITMAP>(FreeImage_LoadFromMemory(fif, memory.get(), 0), FreeImage_Unload);
if (FreeImage_GetBPP(bitmap.get()) != 32)
{
bitmap = std::shared_ptr<FIBITMAP>(FreeImage_ConvertTo32Bits(bitmap.get()), FreeImage_Unload);
if (!bitmap)
BOOST_THROW_EXCEPTION(invalid_argument() << msg_info("Unsupported image format."));
}
return bitmap;
}
//---------------------------------------------------------------------
String FreeImageCodec::magicNumberToFileExt(const char *magicNumberPtr, size_t maxbytes) const
{
FIMEMORY* fiMem =
FreeImage_OpenMemory((BYTE*)magicNumberPtr, static_cast<DWORD>(maxbytes));
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(fiMem, (int)maxbytes);
FreeImage_CloseMemory(fiMem);
if (fif != FIF_UNKNOWN)
{
String ext(FreeImage_GetFormatFromFIF(fif));
StringUtil::toLowerCase(ext);
return ext;
}
else
{
return StringUtil::BLANK;
}
}
bool FreeImageLoader::canLoad(OS::IStream* file){
if(m_isDummy)
return false;
if(file->isStream())
return false;
byte* data = new byte[file->length()];
FIMEMORY* fiMem = FreeImage_OpenMemory((BYTE*)data, static_cast<DWORD>(file->length()));
file->read(data, file->length());
FREE_IMAGE_FORMAT fif = FreeImage_GetFileTypeFromMemory(fiMem, (int)file->length());
FreeImage_CloseMemory(fiMem);
delete[] data;
//image format
// FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
//check the file signature and deduce its format
// fif = FreeImage_GetFileTypeFromMemory((FIMEMORY*)data,file->length());
if(fif == FIF_UNKNOWN)
return false;
return fif==m_FTType;
}
void testSaveMemIO(const char *lpszPathName) {
FIMEMORY *hmem = NULL;
// load a regular file
FREE_IMAGE_FORMAT fif = FreeImage_GetFileType(lpszPathName);
FIBITMAP *dib = FreeImage_Load(fif, lpszPathName, 0);
// open a memory handle
hmem = FreeImage_OpenMemory();
// save the file to memory
FreeImage_SaveToMemory(fif, dib, hmem, 0);
// at this point, hmem contains the entire PNG data in memory.
// the amount of space used by the memory is equal to file_size
long file_size = FreeImage_TellMemory(hmem);
printf("File size : %ld\n", file_size);
// its easy load an image from memory as well
// seek to the start of the memory stream
FreeImage_SeekMemory(hmem, 0L, SEEK_SET);
// get the file type
FREE_IMAGE_FORMAT mem_fif = FreeImage_GetFileTypeFromMemory(hmem, 0);
// load an image from the memory handle
FIBITMAP *check = FreeImage_LoadFromMemory(mem_fif, hmem, 0);
// save as a regular file
FreeImage_Save(FIF_PNG, check, "dump.png", PNG_DEFAULT);
// make sure to free the data since FreeImage_SaveToMemory
// will cause it to be malloc'd
FreeImage_CloseMemory(hmem);
FreeImage_Unload(check);
FreeImage_Unload(dib);
}
VALUE rb_graffik_from_memory(VALUE self, VALUE rb_data) {
FREE_IMAGE_FORMAT fif = FIF_UNKNOWN;
Check_Type(rb_data, T_STRING);
// Get info about our in-memory image
BYTE *data_ptr = (BYTE *) RSTRING_PTR(rb_data);
DWORD data_length = RSTRING_LEN(rb_data);
// Open up the memory stream
FIMEMORY *stream = FreeImage_OpenMemory(data_ptr, data_length);
// Make sure the stream was open
if (stream == NULL) {
rb_raise(rb_eTypeError, "Unable to read image from memory");
}
fif = FreeImage_GetFileTypeFromMemory(stream, 0);
if ((fif != FIF_UNKNOWN) && FreeImage_FIFSupportsReading(fif)) {
int flags = ((fif == FIF_JPEG) ? JPEG_ACCURATE : 0);
// Load the image from disk
FIBITMAP *image = FreeImage_LoadFromMemory(fif, stream, flags);
// Release memory
FreeImage_CloseMemory(stream);
// Develop an instance for Ruby
VALUE instance = Data_Wrap_Struct(self, NULL, NULL, image);
// Store the image type as a FixNum
rb_iv_set(instance, "@file_type", INT2FIX(fif));
// If a block is given, yield to it, if not, return the instance
if (rb_block_given_p()) {
return rb_ensure(rb_yield, instance, rb_graffik_close, instance);
} else {
return instance;
}
}
// If we couldn't load it, throw and error
rb_raise(rb_eTypeError, "Unknown file format");
}
