void CPDF_ICCBasedCS::TranslateImageLine(uint8_t* pDestBuf,
const uint8_t* pSrcBuf,
int pixels,
int image_width,
int image_height,
FX_BOOL bTransMask) const {
if (m_pProfile->m_bsRGB) {
ReverseRGB(pDestBuf, pSrcBuf, pixels);
} else if (m_pProfile->m_pTransform) {
int nMaxColors = 1;
for (int i = 0; i < m_nComponents; i++) {
nMaxColors *= 52;
}
if (m_nComponents > 3 || image_width * image_height < nMaxColors * 3 / 2) {
CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
m_pProfile->m_pTransform, pDestBuf, pSrcBuf, pixels);
} else {
if (m_pCache == NULL) {
((CPDF_ICCBasedCS*)this)->m_pCache = FX_Alloc2D(uint8_t, nMaxColors, 3);
uint8_t* temp_src = FX_Alloc2D(uint8_t, nMaxColors, m_nComponents);
uint8_t* pSrc = temp_src;
for (int i = 0; i < nMaxColors; i++) {
FX_DWORD color = i;
FX_DWORD order = nMaxColors / 52;
for (int c = 0; c < m_nComponents; c++) {
*pSrc++ = (uint8_t)(color / order * 5);
color %= order;
order /= 52;
}
}
CPDF_ModuleMgr::Get()->GetIccModule()->TranslateScanline(
m_pProfile->m_pTransform, m_pCache, temp_src, nMaxColors);
FX_Free(temp_src);
}
for (int i = 0; i < pixels; i++) {
int index = 0;
for (int c = 0; c < m_nComponents; c++) {
index = index * 52 + (*pSrcBuf) / 5;
pSrcBuf++;
}
index *= 3;
*pDestBuf++ = m_pCache[index];
*pDestBuf++ = m_pCache[index + 1];
*pDestBuf++ = m_pCache[index + 2];
}
}
} else if (m_pAlterCS) {
m_pAlterCS->TranslateImageLine(pDestBuf, pSrcBuf, pixels, image_width,
image_height);
}
}
void CPDF_CalRGB::TranslateImageLine(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels, int image_width, int image_height, FX_BOOL bTransMask) const
{
if (bTransMask) {
FX_FLOAT Cal[3];
FX_FLOAT R, G, B;
for(int i = 0; i < pixels; i ++) {
Cal[0] = ((FX_FLOAT)pSrcBuf[2]) / 255;
Cal[1] = ((FX_FLOAT)pSrcBuf[1]) / 255;
Cal[2] = ((FX_FLOAT)pSrcBuf[0]) / 255;
GetRGB(Cal, R, G, B);
pDestBuf[0] = FXSYS_round(B * 255);
pDestBuf[1] = FXSYS_round(G * 255);
pDestBuf[2] = FXSYS_round(R * 255);
pSrcBuf += 3;
pDestBuf += 3;
}
}
ReverseRGB(pDestBuf, pSrcBuf, pixels);
}
void CPDF_DeviceCS::TranslateImageLine(uint8_t* pDestBuf,
const uint8_t* pSrcBuf,
int pixels,
int image_width,
int image_height,
FX_BOOL bTransMask) const {
if (bTransMask && m_Family == PDFCS_DEVICECMYK) {
for (int i = 0; i < pixels; i++) {
int k = 255 - pSrcBuf[3];
pDestBuf[0] = ((255 - pSrcBuf[0]) * k) / 255;
pDestBuf[1] = ((255 - pSrcBuf[1]) * k) / 255;
pDestBuf[2] = ((255 - pSrcBuf[2]) * k) / 255;
pDestBuf += 3;
pSrcBuf += 4;
}
return;
}
if (m_Family == PDFCS_DEVICERGB) {
ReverseRGB(pDestBuf, pSrcBuf, pixels);
} else if (m_Family == PDFCS_DEVICEGRAY) {
for (int i = 0; i < pixels; i++) {
*pDestBuf++ = pSrcBuf[i];
*pDestBuf++ = pSrcBuf[i];
*pDestBuf++ = pSrcBuf[i];
}
} else {
for (int i = 0; i < pixels; i++) {
if (!m_dwStdConversion) {
AdobeCMYK_to_sRGB1(pSrcBuf[0], pSrcBuf[1], pSrcBuf[2], pSrcBuf[3],
pDestBuf[2], pDestBuf[1], pDestBuf[0]);
} else {
uint8_t k = pSrcBuf[3];
pDestBuf[2] = 255 - FX_MIN(255, pSrcBuf[0] + k);
pDestBuf[1] = 255 - FX_MIN(255, pSrcBuf[1] + k);
pDestBuf[0] = 255 - FX_MIN(255, pSrcBuf[2] + k);
}
pSrcBuf += 4;
pDestBuf += 3;
}
}
}
