bool CCodecBuffer_RGB888::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[], CMP_DWORD dwChannelOffset)
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_BYTE* pSrcData = (CMP_BYTE*) (GetData() + ((y + j) * m_dwPitch) + (x * sizeof(nChannelCount))) + dwChannelOffset;
for(i = 0; i < dwWidth; i++)
{
block[(j * w) + i] = *pSrcData;
pSrcData += nChannelCount;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 1, &block[j * w]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 1, block);
return true;
}
bool CCodecBuffer_R8::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_BYTE* pData = (CMP_BYTE*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
block[(j * w) + i] = *pData++;
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 1, &block[j * w]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 1, block);
return true;
}
bool CCodecBuffer_RGBA16::ReadBlock(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_WORD wBlock[], CMP_DWORD dwChannelOffset)
{
assert(x < GetWidth());
assert(y < GetHeight());
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i,j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_WORD* pData = (CMP_WORD*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
{
wBlock[(j * w) + i] = pData[dwChannelOffset];
pData += nChannelCount;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 1, &wBlock[j * w]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 1, wBlock);
return true;
}
bool CCodecBuffer_RGBA16::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_WORD wBlock[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_WORD* pData = (CMP_WORD*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
{
memcpy(GET_PIXEL(i, j), pData, nPixelSize);
pData += 4;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 4, &wBlock[j * w * 4]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 4, wBlock);
return true;
}
bool CCodecBuffer_R32F::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, float block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
float* pData = (float*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
for(i = 0; i < dwWidth; i++)
{
float* pDest = GET_PIXEL(i, j);
*pDest++ = *pData++;
*pDest++ = 0.0f;
*pDest++ = 0.0f;
*pDest++ = 1.0f;
}
// Pad line with previous values if necessary
if(i < w)
PadLine(i, w, 4, &block[j * w * 4]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 4, block);
return true;
}
bool CCodecBuffer_RGB9995EF::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, float block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
union { float f; int32_t i; } fi;
float Scale = 0.0f;
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
DWORD* pData = (DWORD*)(GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
R9G9B9E5 pTemp;
pTemp.rm = ((*pData) & 0x000001ff);
pTemp.gm = ((*pData) & 0x0003fe00) >> 9;
pTemp.bm = ((*pData) & 0x07fc0000) >> 18;
pTemp.e = ((*pData) & 0xf8000000) >> 27;
fi.i = 0x33800000 + (pTemp.e << 23);
Scale = fi.f;
for (i = 0; i < dwWidth; i++)
{
float* pDest = GET_PIXEL(i, j);
*pDest++ = Scale * float(pTemp.rm);
*pDest++ = Scale * float(pTemp.gm);
*pDest++ = Scale * float(pTemp.bm);
*pDest++ = 1.0f;
//pData += nChannelCount;
}
//float* pData = (float*) (GetData() + ((y + j) * m_dwPitch) + (x * nPixelSize));
//for(i = 0; i < dwWidth; i++)
//{
// float* pDest = GET_PIXEL(i, j);
// *pDest++ = *pData++;
// *pDest++ = 0.0f;
// *pDest++ = 0.0f;
// *pDest++ = 1.0f;
//}
// Pad line with previous values if necessary
if (i < w)
PadLine(i, w, 1, &block[j * w]);
}
// Pad block with previous values if necessary
if (j < h)
PadBlock(j, w, h, 1, block);
return true;
}
bool CCodecBuffer_RGB888::ReadBlockRGBA(CMP_DWORD x, CMP_DWORD y, CMP_BYTE w, CMP_BYTE h, CMP_BYTE block[])
{
assert(x < GetWidth());
assert(y < GetHeight());
assert(x % w == 0);
assert(y % h == 0);
if(x >= GetWidth() || y >= GetHeight())
return false;
CMP_DWORD dwWidth = min(w, (GetWidth() - x));
DWORD* pdwBlock = (DWORD*) block;
CMP_DWORD i, j;
for(j = 0; j < h && (y + j) < GetHeight(); j++)
{
CMP_BYTE* pSrcData = (CMP_BYTE*) ((GetData() + ((y + j) * m_dwPitch) + (x * nChannelCount)));
CMP_BYTE* pDestData = (CMP_BYTE*) &pdwBlock[(j * w)];
for(i = 0; i < dwWidth; i++)
{
*pDestData++ = *pSrcData++;
*pDestData++ = *pSrcData++;
*pDestData++ = *pSrcData++;
*pDestData++ = 0xff;
}
// Pad block with previous values if necessary
if(i < w)
PadLine(i, w, 4, (CMP_BYTE*) &pdwBlock[j * w]);
}
// Pad block with previous values if necessary
if(j < h)
PadBlock(j, w, h, 4, (CMP_BYTE*) pdwBlock);
return true;
}
