diff options
Diffstat (limited to 'core/fpdfapi/page/cpdf_colorspace.cpp')
-rw-r--r-- | core/fpdfapi/page/cpdf_colorspace.cpp | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/core/fpdfapi/page/cpdf_colorspace.cpp b/core/fpdfapi/page/cpdf_colorspace.cpp index 428ab0e7f7..3244319cc2 100644 --- a/core/fpdfapi/page/cpdf_colorspace.cpp +++ b/core/fpdfapi/page/cpdf_colorspace.cpp @@ -10,7 +10,6 @@ #include <limits> #include <memory> #include <utility> -#include <vector> #include "core/fpdfapi/cpdf_modulemgr.h" #include "core/fpdfapi/page/cpdf_docpagedata.h" @@ -541,16 +540,16 @@ void CPDF_ColorSpace::TranslateImageLine(uint8_t* dest_buf, int image_width, int image_height, bool bTransMask) const { - std::vector<float> src(std::max(16U, m_nComponents)); + CFX_FixedBufGrow<float, 16> srcbuf(m_nComponents); + float* src = srcbuf; + float R; + float G; + float B; const int divisor = m_Family != PDFCS_INDEXED ? 255 : 1; for (int i = 0; i < pixels; i++) { for (uint32_t j = 0; j < m_nComponents; j++) src[j] = static_cast<float>(*src_buf++) / divisor; - - float R; - float G; - float B; - GetRGB(src.data(), &R, &G, &B); + GetRGB(src, &R, &G, &B); *dest_buf++ = static_cast<int32_t>(B * 255); *dest_buf++ = static_cast<int32_t>(G * 255); *dest_buf++ = static_cast<int32_t>(R * 255); @@ -1101,15 +1100,15 @@ bool CPDF_IndexedCS::GetRGB(float* pBuf, float* R, float* G, float* B) const { return false; } } - - std::vector<float> comps(std::max(16, m_nBaseComponents)); + CFX_FixedBufGrow<float, 16> Comps(m_nBaseComponents); + float* comps = Comps; const uint8_t* pTable = m_Table.raw_str(); for (int i = 0; i < m_nBaseComponents; i++) { comps[i] = m_pCompMinMax[i * 2] + m_pCompMinMax[i * 2 + 1] * pTable[index * m_nBaseComponents + i] / 255; } - return m_pBaseCS->GetRGB(comps.data(), R, G, B); + return m_pBaseCS->GetRGB(comps, R, G, B); } CPDF_ColorSpace* CPDF_IndexedCS::GetBaseCS() const { @@ -1222,20 +1221,20 @@ bool CPDF_SeparationCS::GetRGB(float* pBuf, return false; int nComps = m_pAltCS->CountComponents(); - std::vector<float> results(std::max(16, nComps)); + CFX_FixedBufGrow<float, 16> results(nComps); for (int i = 0; i < nComps; i++) results[i] = *pBuf; - return m_pAltCS->GetRGB(results.data(), R, G, B); + return m_pAltCS->GetRGB(results, R, G, B); } - std::vector<float> results(std::max(16U, m_pFunc->CountOutputs())); + CFX_FixedBufGrow<float, 16> results(m_pFunc->CountOutputs()); int nresults = 0; - m_pFunc->Call(pBuf, 1, results.data(), &nresults); + m_pFunc->Call(pBuf, 1, results, &nresults); if (nresults == 0) return false; if (m_pAltCS) - return m_pAltCS->GetRGB(results.data(), R, G, B); + return m_pAltCS->GetRGB(results, R, G, B); R = 0; G = 0; @@ -1285,13 +1284,13 @@ bool CPDF_DeviceNCS::GetRGB(float* pBuf, float* R, float* G, float* B) const { if (!m_pFunc) return false; - std::vector<float> results(std::max(16U, m_pFunc->CountOutputs())); + CFX_FixedBufGrow<float, 16> results(m_pFunc->CountOutputs()); int nresults = 0; - m_pFunc->Call(pBuf, m_nComponents, results.data(), &nresults); + m_pFunc->Call(pBuf, m_nComponents, results, &nresults); if (nresults == 0) return false; - return m_pAltCS->GetRGB(results.data(), R, G, B); + return m_pAltCS->GetRGB(results, R, G, B); } void CPDF_DeviceNCS::EnableStdConversion(bool bEnabled) { |