diff options
Diffstat (limited to 'core/fpdfapi/fpdf_page/fpdf_page_colors.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_page/fpdf_page_colors.cpp | 235 |
1 files changed, 0 insertions, 235 deletions
diff --git a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp b/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp deleted file mode 100644 index 472e8751d7..0000000000 --- a/core/fpdfapi/fpdf_page/fpdf_page_colors.cpp +++ /dev/null @@ -1,235 +0,0 @@ -// Copyright 2014 PDFium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com - -#include "core/fpdfapi/fpdf_page/pageint.h" - -#include <limits.h> - -#include <algorithm> - -#include "core/fpdfapi/cpdf_modulemgr.h" -#include "core/fpdfapi/fpdf_parser/cpdf_array.h" -#include "core/fpdfapi/fpdf_parser/cpdf_dictionary.h" -#include "core/fpdfapi/fpdf_parser/cpdf_document.h" -#include "core/fpdfapi/fpdf_parser/cpdf_stream.h" -#include "core/fpdfapi/fpdf_parser/cpdf_stream_acc.h" -#include "core/fpdfapi/fpdf_parser/cpdf_string.h" -#include "core/fxcodec/fx_codec.h" - -namespace { - -uint32_t ComponentsForFamily(int family) { - if (family == PDFCS_DEVICERGB) - return 3; - if (family == PDFCS_DEVICEGRAY) - return 1; - return 4; -} - -} // namespace - -void sRGB_to_AdobeCMYK(FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) { - c = 1.0f - R; - m = 1.0f - G; - y = 1.0f - B; - k = c; - if (m < k) { - k = m; - } - if (y < k) { - k = y; - } -} - -void ReverseRGB(uint8_t* pDestBuf, const uint8_t* pSrcBuf, int pixels) { - if (pDestBuf == pSrcBuf) { - for (int i = 0; i < pixels; i++) { - uint8_t temp = pDestBuf[2]; - pDestBuf[2] = pDestBuf[0]; - pDestBuf[0] = temp; - pDestBuf += 3; - } - } else { - for (int i = 0; i < pixels; i++) { - *pDestBuf++ = pSrcBuf[2]; - *pDestBuf++ = pSrcBuf[1]; - *pDestBuf++ = pSrcBuf[0]; - pSrcBuf += 3; - } - } -} - -CPDF_DeviceCS::CPDF_DeviceCS(CPDF_Document* pDoc, int family) - : CPDF_ColorSpace(pDoc, family, ComponentsForFamily(family)) {} - -FX_BOOL CPDF_DeviceCS::GetRGB(FX_FLOAT* pBuf, - FX_FLOAT& R, - FX_FLOAT& G, - FX_FLOAT& B) const { - if (m_Family == PDFCS_DEVICERGB) { - R = pBuf[0]; - if (R < 0) { - R = 0; - } else if (R > 1) { - R = 1; - } - G = pBuf[1]; - if (G < 0) { - G = 0; - } else if (G > 1) { - G = 1; - } - B = pBuf[2]; - if (B < 0) { - B = 0; - } else if (B > 1) { - B = 1; - } - } else if (m_Family == PDFCS_DEVICEGRAY) { - R = *pBuf; - if (R < 0) { - R = 0; - } else if (R > 1) { - R = 1; - } - G = B = R; - } else if (m_Family == PDFCS_DEVICECMYK) { - if (!m_dwStdConversion) { - AdobeCMYK_to_sRGB(pBuf[0], pBuf[1], pBuf[2], pBuf[3], R, G, B); - } else { - FX_FLOAT k = pBuf[3]; - R = 1.0f - std::min(1.0f, pBuf[0] + k); - G = 1.0f - std::min(1.0f, pBuf[1] + k); - B = 1.0f - std::min(1.0f, pBuf[2] + k); - } - } else { - ASSERT(m_Family == PDFCS_PATTERN); - R = G = B = 0; - return FALSE; - } - return TRUE; -} -FX_BOOL CPDF_DeviceCS::v_GetCMYK(FX_FLOAT* pBuf, - FX_FLOAT& c, - FX_FLOAT& m, - FX_FLOAT& y, - FX_FLOAT& k) const { - if (m_Family != PDFCS_DEVICECMYK) { - return FALSE; - } - c = pBuf[0]; - m = pBuf[1]; - y = pBuf[2]; - k = pBuf[3]; - return TRUE; -} -FX_BOOL CPDF_DeviceCS::SetRGB(FX_FLOAT* pBuf, - FX_FLOAT R, - FX_FLOAT G, - FX_FLOAT B) const { - if (m_Family == PDFCS_DEVICERGB) { - pBuf[0] = R; - pBuf[1] = G; - pBuf[2] = B; - return TRUE; - } - if (m_Family == PDFCS_DEVICEGRAY) { - if (R == G && R == B) { - *pBuf = R; - return TRUE; - } - return FALSE; - } - if (m_Family == PDFCS_DEVICECMYK) { - sRGB_to_AdobeCMYK(R, G, B, pBuf[0], pBuf[1], pBuf[2], pBuf[3]); - return TRUE; - } - return FALSE; -} -FX_BOOL CPDF_DeviceCS::v_SetCMYK(FX_FLOAT* pBuf, - FX_FLOAT c, - FX_FLOAT m, - FX_FLOAT y, - FX_FLOAT k) const { - if (m_Family == PDFCS_DEVICERGB) { - AdobeCMYK_to_sRGB(c, m, y, k, pBuf[0], pBuf[1], pBuf[2]); - return TRUE; - } - if (m_Family == PDFCS_DEVICECMYK) { - pBuf[0] = c; - pBuf[1] = m; - pBuf[2] = y; - pBuf[3] = k; - return TRUE; - } - return FALSE; -} - -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 - std::min(255, pSrcBuf[0] + k); - pDestBuf[1] = 255 - std::min(255, pSrcBuf[1] + k); - pDestBuf[0] = 255 - std::min(255, pSrcBuf[2] + k); - } - pSrcBuf += 4; - pDestBuf += 3; - } - } -} - -CPDF_IccProfile::CPDF_IccProfile(const uint8_t* pData, uint32_t dwSize) - : m_bsRGB(FALSE), m_pTransform(nullptr), m_nSrcComponents(0) { - if (dwSize == 3144 && - FXSYS_memcmp(pData + 0x190, "sRGB IEC61966-2.1", 17) == 0) { - m_bsRGB = TRUE; - m_nSrcComponents = 3; - } else if (CPDF_ModuleMgr::Get()->GetIccModule()) { - m_pTransform = CPDF_ModuleMgr::Get()->GetIccModule()->CreateTransform_sRGB( - pData, dwSize, m_nSrcComponents); - } -} -CPDF_IccProfile::~CPDF_IccProfile() { - if (m_pTransform) { - CPDF_ModuleMgr::Get()->GetIccModule()->DestroyTransform(m_pTransform); - } -} - |