FX_ARGB CPDF_RenderOptions::TranslateColor(FX_ARGB argb) const {
if (m_ColorMode == RENDER_COLOR_NORMAL) {
return argb;
}
if (m_ColorMode == RENDER_COLOR_ALPHA) {
return argb;
}
int a, r, g, b;
ArgbDecode(argb, a, r, g, b);
int gray = FXRGB2GRAY(r, g, b);
if (m_ColorMode == RENDER_COLOR_TWOCOLOR) {
int color = (r - gray) * (r - gray) + (g - gray) * (g - gray) +
(b - gray) * (b - gray);
if (gray < 35 && color < 20) {
return ArgbEncode(a, m_ForeColor);
}
if (gray > 221 && color < 20) {
return ArgbEncode(a, m_BackColor);
}
return argb;
}
int fr = FXSYS_GetRValue(m_ForeColor);
int fg = FXSYS_GetGValue(m_ForeColor);
int fb = FXSYS_GetBValue(m_ForeColor);
int br = FXSYS_GetRValue(m_BackColor);
int bg = FXSYS_GetGValue(m_BackColor);
int bb = FXSYS_GetBValue(m_BackColor);
r = (br - fr) * gray / 255 + fr;
g = (bg - fg) * gray / 255 + fg;
b = (bb - fb) * gray / 255 + fb;
return ArgbEncode(a, r, g, b);
}
void CPDFSDK_BAAnnot::SetColor(FX_COLORREF color) {
CPDF_Array* pArray = new CPDF_Array;
pArray->AddNumber((FX_FLOAT)FXSYS_GetRValue(color) / 255.0f);
pArray->AddNumber((FX_FLOAT)FXSYS_GetGValue(color) / 255.0f);
pArray->AddNumber((FX_FLOAT)FXSYS_GetBValue(color) / 255.0f);
m_pAnnot->GetAnnotDict()->SetAt("C", pArray);
}
void CPDFSDK_Annot::SetColor(FX_COLORREF color)
{
ASSERT(m_pAnnot != NULL);
ASSERT(m_pAnnot->m_pAnnotDict != NULL);
CPDF_Array* pArray = FX_NEW CPDF_Array;
pArray->AddNumber((FX_FLOAT)FXSYS_GetRValue(color) / 255.0f);
pArray->AddNumber((FX_FLOAT)FXSYS_GetGValue(color) / 255.0f);
pArray->AddNumber((FX_FLOAT)FXSYS_GetBValue(color) / 255.0f);
m_pAnnot->m_pAnnotDict->SetAt("C", pArray);
}
FX_COLORREF CPDF_TransferFunc::TranslateColor(FX_COLORREF rgb) const {
return FXSYS_RGB(m_Samples[FXSYS_GetRValue(rgb)],
m_Samples[256 + FXSYS_GetGValue(rgb)],
m_Samples[512 + FXSYS_GetBValue(rgb)]);
}
