//*************************************************
// Reads the chunk header and retains their values
//*************************************************
WORD RIFFClass::ReadCkHdr(void)
{
ckHeader ckHdr;
if (RIFFRead(&ckHdr, sizeof(ckHdr), 1) != 1)
return (RIFF_READFILEERROR);
dwLastID = ckHdr.dwCkID;
dwLastSize = ckHdr.dwCkSize;
SwapDWORD(&dwLastSize);
//qDebug() << "Read Ck Hdr" << dwLastID << MAKE_ID(RIFF) << MAKE_ID(LIST);
if ((dwLastID == MAKE_ID(RIFF)) || (dwLastID == MAKE_ID(LIST)))
RIFFRead(&dwLastFormID, sizeof(dwLastFormID), 1);
else
dwLastFormID = 0;
lLastFilePtr = RIFFTell();
return (SUCCESS);
}
void ConvertImageFileToBMPBuffer(string szSrcFileName, LPBYTE * bytes, long* len)
{
if(!FileExists(szSrcFileName))
return;
ATG::Timer m_Timer;
double timeA = m_Timer.GetAbsoluteTime();
IDirect3DTexture9 * pTexture;
HRESULT retVal = D3DXCreateTextureFromFileEx(
CFreestyleApp::getInstance().m_pd3dDevice,
szSrcFileName.c_str(),
D3DX_DEFAULT_NONPOW2,
D3DX_DEFAULT_NONPOW2,
1,
D3DUSAGE_CPU_CACHED_MEMORY,
D3DFMT_LIN_A8R8G8B8,
D3DPOOL_DEFAULT,
D3DX_FILTER_NONE,
D3DX_FILTER_NONE,
0,
NULL,
NULL,
&pTexture
);
float timeB = m_Timer.GetAbsoluteTime();
DebugMsg("Test", "Texture Creation: %4.2f", (timeB- timeA));
if(retVal == S_OK) {
timeA = m_Timer.GetAbsoluteTime();
// Get our level desc
D3DSURFACE_DESC desc;
pTexture->GetLevelDesc(0, &desc);
// Now lock our data
D3DLOCKED_RECT lock;
RECT rect = {0, 0, desc.Width, desc.Height};
pTexture->LockRect(0, &lock, &rect, D3DLOCK_READONLY);
//Read our data
DWORD headerSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
DWORD dataLen = lock.Pitch * desc.Height;
DWORD * dataBuffer = (DWORD*)malloc( dataLen + headerSize );
DWORD * address = (DWORD*)lock.pBits;
// Create file our header
BITMAPFILEHEADER* fHead = (BITMAPFILEHEADER*)dataBuffer;
fHead->bfType = 0x424D; // "BM"
fHead->bfSize = SwapDWORD(dataLen + headerSize);
fHead->bfReserved1 = 0;
fHead->bfReserved2 = 0;
fHead->bfOffBits = SwapDWORD(headerSize);
// Create our info header
BITMAPINFOHEADER* iHead = (BITMAPINFOHEADER*)(fHead + 1);
ZeroMemory(iHead, sizeof(BITMAPINFOHEADER));
iHead->biSize = SwapDWORD(sizeof(BITMAPINFOHEADER));
iHead->biWidth = SwapDWORD(desc.Width);
iHead->biHeight = SwapDWORD(desc.Height);
iHead->biPlanes = SwapWORD(1);
iHead->biBitCount = SwapWORD(32);
iHead->biSizeImage = SwapDWORD(dataLen);
// Copy over our raw (BGRA)
DWORD* rawPtr = (DWORD*)(iHead + 1);
for(int y = desc.Height - 1; y >= 0; y--) {
for(DWORD x = 0; x < desc.Width; x++) {
DWORD cp = (y * lock.Pitch) + (x * 4);
DWORD * temp = (DWORD*)(address + (cp / 4));
*rawPtr = SwapDWORD(*temp);
rawPtr++;
}
}
// Unlock our texture
pTexture->UnlockRect(0);
timeB = m_Timer.GetAbsoluteTime();
DebugMsg("Test", "Texture Lock Time: %4.2f", (timeB- timeA));
*len = (headerSize + dataLen);
*bytes = (BYTE*)dataBuffer;
}else {
DebugMsg("ConvertImageInMemoryToBMPBuffer",
"Conversion To BMP From Memory Failed. [%X]", retVal);
}
// Release our Texture
if(pTexture != NULL)
pTexture->Release();
}
HRESULT ConvertMemoryBufferToBMPBuffer( MemoryBuffer &image_in, MemoryBuffer &image_out)
{
// Check to ensure that our data has a valid length before proceeding
if( image_in.GetDataLength() == 0 ) return S_FALSE;
// Set up a timer class to profile our code
ATG::Timer m_Timer;
double timeStart, timeStop;
// Begin Profiling our Texture Creation Code
timeStart = m_Timer.GetAbsoluteTime();
IDirect3DTexture9 * pTexture;
HRESULT retVal = D3DXCreateTextureFromFileInMemoryEx(
CFreestyleApp::getInstance().m_pd3dDevice,
image_in.GetData(),
image_in.GetDataLength(),
D3DX_DEFAULT_NONPOW2,
D3DX_DEFAULT_NONPOW2,
1,
D3DUSAGE_CPU_CACHED_MEMORY,
D3DFMT_LIN_A8R8G8B8,
D3DPOOL_DEFAULT,
D3DX_FILTER_NONE,
D3DX_FILTER_NONE,
0,
NULL,
NULL,
&pTexture
);
// End Profiling our Texture Creation Code
timeStop = m_Timer.GetAbsoluteTime();
DebugMsg("ConvertImageToBMP", "Texture Creation took %4.2f seconds to complete", (float)(timeStop - timeStart));
// If our texture was created successfully,
if(retVal = D3D_OK) {
//Begin Profiling our Data Manipulation Code
timeStart = m_Timer.GetAbsoluteTime();
// Get our level desc
D3DSURFACE_DESC desc;
pTexture->GetLevelDesc(0, &desc);
// Now lock our data
D3DLOCKED_RECT lock;
RECT rect = {0, 0, desc.Width, desc.Height};
pTexture->LockRect(0, &lock, &rect, D3DLOCK_READONLY);
//Read our data
DWORD headerSize = sizeof(BITMAPFILEHEADER) + sizeof(BITMAPINFOHEADER);
DWORD dataLen = lock.Pitch * desc.Height;
DWORD * dataBuffer = (DWORD*)malloc( dataLen + headerSize );
DWORD * address = (DWORD*)lock.pBits;
// Create file our header
BITMAPFILEHEADER* fHead = (BITMAPFILEHEADER*)dataBuffer;
fHead->bfType = 0x424D; // "BM"
fHead->bfSize = SwapDWORD(dataLen + headerSize);
fHead->bfReserved1 = 0;
fHead->bfReserved2 = 0;
fHead->bfOffBits = SwapDWORD(headerSize);
// Create our info header
BITMAPINFOHEADER* iHead = (BITMAPINFOHEADER*)(fHead + 1);
ZeroMemory(iHead, sizeof(BITMAPINFOHEADER));
iHead->biSize = SwapDWORD(sizeof(BITMAPINFOHEADER));
iHead->biWidth = SwapDWORD(desc.Width);
iHead->biHeight = SwapDWORD(desc.Height);
iHead->biPlanes = SwapWORD(1);
iHead->biBitCount = SwapWORD(32);
iHead->biSizeImage = SwapDWORD(dataLen);
// Copy over our raw (BGRA)
DWORD* rawPtr = (DWORD*)(iHead + 1);
for(int y = desc.Height - 1; y >= 0; y--) {
for(DWORD x = 0; x < desc.Width; x++) {
DWORD cp = (y * lock.Pitch) + (x * 4);
DWORD * temp = (DWORD*)(address + (cp / 4));
*rawPtr = SwapDWORD(*temp);
rawPtr++;
}
}
// Unlock our texture
pTexture->UnlockRect(0);
// End Profiling our Data Modification Code
timeStop = m_Timer.GetAbsoluteTime();
DebugMsg("ConvertImageToBMP", "Data Modification took %4.2f seconds to complete", (float)(timeStop - timeStart));
// Begin Profiling our Memory Copy Code
timeStart = m_Timer.GetAbsoluteTime();
// Copy our completed data to our new buffer
image_out.Add(dataBuffer, (headerSize + dataLen));
// End Profiling our Memory Copy Code
timeStop = m_Timer.GetAbsoluteTime();
DebugMsg("ConvertImageToBMP", "Image Memory Copy took %4.2f seconds to complete", (float)(timeStop - timeStart));
}
else {
DebugMsg("ConvertImageInMemoryToBMPBuffer", "Conversion To BMP From Memory Failed. [%X]", retVal);
}
return retVal;
}
