VError VPictureData_MacPicture::SaveToFile(VFile& inFile)const
{
VError result = VE_OK;
if (fDataProvider && fDataProvider->GetDataSize())
{
VPtr p = fDataProvider->BeginDirectAccess();
if (p)
{
result = inFile.Create();
if (result == VE_OK)
{
VFileDesc* inFileDesc;
result = inFile.Open(FA_READ_WRITE, &inFileDesc);
if (result == VE_OK)
{
char buff[0x200];
memset(buff, 0, 0x200);
result = inFileDesc->PutData(buff, 0x200, 0);
if (result == VE_OK)
{
result = inFileDesc->PutData(p, fDataProvider->GetDataSize(), 0x200);
}
delete inFileDesc;
}
}
fDataProvider->EndDirectAccess();
}
else
fDataProvider->ThrowLastError();
}
else
{
VBlobWithPtr blob;
VSize outsize;
result = Save(&blob, 0, outsize);
if (result == VE_OK)
{
result = inFile.Create();
if (result == VE_OK)
{
VFileDesc* inFileDesc;
result = inFile.Open(FA_READ_WRITE, &inFileDesc);
if (result == VE_OK)
{
char buff[0x200];
memset(buff, 0, 0x200);
result = inFileDesc->PutData(buff, 0x200, 0);
if (result == VE_OK)
{
result = inFileDesc->PutData(blob.GetDataPtr(), blob.GetSize(), 0x200);
}
delete inFileDesc;
}
}
}
}
return result;
}
VError VZipComponent::ExpandBlob(VBlob *inCompressedBlob , VBlob *outExpandedBlob)
{
if(!testAssert(inCompressedBlob != NULL))
return VE_INVALID_PARAMETER;
if(!testAssert(outExpandedBlob != NULL))
return VE_INVALID_PARAMETER;
VError errorToReturn = VE_OK;
VBlobStream* expandedBlobStream = new VBlobStream();
VError openWritingExpandedBlobStream = expandedBlobStream -> OpenWriting();
if (openWritingExpandedBlobStream != VE_OK)
errorToReturn = vThrowError(VE_ZIP_CANNOT_ACCESS_BLOB_CONTENT);
if (errorToReturn == VE_OK){
VBlobWithPtr* compressedBlobWithPtr = new VBlobWithPtr(*inCompressedBlob);
if (errorToReturn == VE_OK){
errorToReturn = ExpandMemoryBlock(compressedBlobWithPtr->GetDataPtr(), inCompressedBlob->GetSize(), expandedBlobStream);
if (errorToReturn == VE_ZIP_NON_COMPRESSED_INPUT_DATA){
errorToReturn = vThrowError(VE_ZIP_NON_COMPRESSED_INPUT_BLOB);
}
if (errorToReturn == VE_OK){
// Once the decompression succeded, we have to put the content of expandedBlobStream in outExpandedBlob.
//To do so, we have to pass via a temporary buffer to transfer these data (since the class VBlob does not inherit IStreamable).
errorToReturn = expandedBlobStream -> CloseWriting(true);
if (errorToReturn == VE_OK){
errorToReturn = expandedBlobStream -> OpenReading();
sLONG8 expandedBlobStreamSize = expandedBlobStream -> GetSize();
Bytef * expandedBuffer = (Bytef *) malloc(expandedBlobStreamSize * sizeof(Bytef));
if (expandedBuffer == NULL){
errorToReturn = vThrowError(VE_MEMORY_FULL);
}
if (errorToReturn == VE_OK){
// if everything is ok, the data of expandedBlobStream are copyied in the temporary buffer
errorToReturn = expandedBlobStream -> GetData(expandedBuffer, expandedBlobStreamSize);
expandedBlobStream -> CloseReading();
if (errorToReturn == VE_OK){
// if everything is still ok, the data of the temporary buffer are copyied in outExpandedBlob
errorToReturn = outExpandedBlob -> PutData(expandedBuffer, expandedBlobStreamSize);
}
}
if (expandedBuffer != NULL)
free(expandedBuffer);
}
}
}
// if something wrong occured with streams either in decompression (streams cannot be read, opened, closed, etc.) or in transfering data to outExpandedBlob
// note: if it is a pure decompression error, this error is thrown.
if (errorToReturn != VE_OK && errorToReturn != VE_ZIP_DECOMPRESSION_FAILED && errorToReturn != VE_ZIP_NON_COMPRESSED_INPUT_BLOB){
errorToReturn = vThrowError(VE_ZIP_CANNOT_ACCESS_BLOB_CONTENT);
}
}
delete expandedBlobStream;
return errorToReturn;
}
VError VPictureData_GDIPlus::Save(VBlob* inData,VIndex inOffset,VSize& outSize,_VPictureAccumulator* /*inRecorder*/)const
{
VError result=VE_UNKNOWN_ERROR;
if(fDataProvider)
{
return inherited::Save(inData,inOffset,outSize);
}
else
{
if(fBitmap)
{
VBlobWithPtr blob;
bool savedone=false;
const VPictureCodec* deco=RetainDecoder();
if(deco)
{
if(!deco->IsEncoder())
{
ReleaseRefCountable(&deco);
}
}
if(!deco)
{
VPictureCodecFactoryRef fact;
deco=fact->RetainDecoderByIdentifier(".png");
}
if(deco)
{
result = deco->Encode(this,NULL,blob);
if(result==VE_OK)
{
outSize=blob.GetSize();
result=inData->PutData(blob.GetDataPtr(),outSize,inOffset);
}
}
}
/*
if(fBitmap)
{
DWORD err;
IStream* stream=NULL;
err= ::CreateStreamOnHGlobal(NULL,true,&stream);
if(err == S_OK)
{
VPictureCodecFactoryRef fact;
const xGDIPlusDecoderList& encoderlist=fact->xGetGDIPlus_Decoder();
Gdiplus::Status stat = Gdiplus::GenericError;
CLSID encoder;
if(encoderlist.FindClassID(*fBitmap,encoder))
{
stat = fBitmap->Save(stream,&encoder,NULL);
HGLOBAL glob;
GetHGlobalFromStream(stream,&glob);
char* c=(char*)GlobalLock(glob);
outSize=GlobalSize(glob);
result = inData->PutData(c,outSize,inOffset);
GlobalUnlock(glob);
stream->Release();
}
else
{
assert(false);
}
}
}
*/
}
return result;
}
VError VZipComponent::CompressBlob( VBlob *inBlobToCompress , const EZipCompressionLevel inCompressionLevel , VBlob *outCompressedBlob )
{
if(!testAssert(inBlobToCompress != NULL))
return VE_INVALID_PARAMETER;
if(!testAssert(outCompressedBlob != NULL))
return VE_INVALID_PARAMETER;
VError errorToReturn = VE_OK;
VBlobStream* compressedBlobStream = new VBlobStream();
errorToReturn = compressedBlobStream -> OpenWriting();
if (errorToReturn != VE_OK)
errorToReturn = vThrowError(VE_ZIP_CANNOT_ACCESS_BLOB_CONTENT);
if (errorToReturn == VE_OK){
VBlobWithPtr* blobWithPtrToCompress = new VBlobWithPtr(*inBlobToCompress);
if (errorToReturn == VE_OK){
errorToReturn = CompressMemoryBlock(blobWithPtrToCompress->GetDataPtr(), inBlobToCompress->GetSize(), inCompressionLevel, compressedBlobStream);
if (errorToReturn == VE_OK){
// Once the compression succedeed, we have to put the content of compressedBlobStream in outCompressedBlob.
//To do so, we have to pass via a temporary buffer to transfer these data (since the class VBlob does not inherit IStreamable).
errorToReturn = compressedBlobStream -> CloseWriting(true);
if (errorToReturn == VE_OK){
errorToReturn = compressedBlobStream -> OpenReading();
if (errorToReturn == VE_OK){
sLONG8 compressedBlobStreamSize = compressedBlobStream -> GetSize();
Bytef * compressedBuffer = (Bytef *) malloc(compressedBlobStreamSize * sizeof(Bytef));
if (compressedBuffer == NULL){
errorToReturn = vThrowError(VE_MEMORY_FULL);
}
if (errorToReturn == VE_OK){
// if everything is ok, the data of compressedBlobStream are copyied in the temporary buffer
errorToReturn = compressedBlobStream -> GetData(compressedBuffer, compressedBlobStreamSize);
compressedBlobStream -> CloseReading();
if (errorToReturn == VE_OK){
// if everything is still ok, the data of the temporary buffer are copyied in outCompressedBlob
errorToReturn = outCompressedBlob -> PutData(compressedBuffer, compressedBlobStreamSize);
}
}
if (compressedBuffer != NULL)
free(compressedBuffer);
}
}
// if something wrong occured with streams either in compression (streams cannot be read, opened, closed, etc.) or in transfering data to outCompressedBlob
// note: if it is a pure compression error, this error is thrown.
if (errorToReturn != VE_OK && errorToReturn != VE_ZIP_COMPRESSION_FAILED){
errorToReturn = vThrowError(VE_ZIP_CANNOT_ACCESS_BLOB_CONTENT);
}
}
}
delete blobWithPtrToCompress;
}
delete compressedBlobStream;
return errorToReturn;
}
