diff options
Diffstat (limited to 'core/fpdfapi/fpdf_page/cpdf_colorstate.cpp')
-rw-r--r-- | core/fpdfapi/fpdf_page/cpdf_colorstate.cpp | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp new file mode 100644 index 0000000000..a46dea3bb8 --- /dev/null +++ b/core/fpdfapi/fpdf_page/cpdf_colorstate.cpp @@ -0,0 +1,80 @@ +// Copyright 2016 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/cpdf_colorstate.h" + +#include "core/fpdfapi/fpdf_page/cpdf_pattern.h" +#include "core/fpdfapi/fpdf_page/cpdf_tilingpattern.h" +#include "core/fxge/include/fx_dib.h" + +void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS, + FX_FLOAT* pValue, + uint32_t nValues) { + MakePrivateCopy(); + CPDF_ColorStateData* pData = GetObject(); + SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues); +} + +void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS, + FX_FLOAT* pValue, + uint32_t nValues) { + MakePrivateCopy(); + CPDF_ColorStateData* pData = GetObject(); + SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues); +} + +void CPDF_ColorState::SetColor(CPDF_Color& color, + uint32_t& rgb, + CPDF_ColorSpace* pCS, + FX_FLOAT* pValue, + uint32_t nValues) { + if (pCS) { + color.SetColorSpace(pCS); + } else if (color.IsNull()) { + color.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); + } + if (color.GetColorSpace()->CountComponents() > nValues) + return; + + color.SetValue(pValue); + int R, G, B; + rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1; +} + +void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern, + FX_FLOAT* pValue, + uint32_t nValues) { + MakePrivateCopy(); + CPDF_ColorStateData* pData = GetObject(); + pData->m_FillColor.SetValue(pPattern, pValue, nValues); + int R, G, B; + FX_BOOL ret = pData->m_FillColor.GetRGB(R, G, B); + if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) { + if (!ret && pTilingPattern->colored()) { + pData->m_FillRGB = 0x00BFBFBF; + return; + } + } + pData->m_FillRGB = ret ? FXSYS_RGB(R, G, B) : (uint32_t)-1; +} + +void CPDF_ColorState::SetStrokePattern(CPDF_Pattern* pPattern, + FX_FLOAT* pValue, + uint32_t nValues) { + MakePrivateCopy(); + CPDF_ColorStateData* pData = GetObject(); + pData->m_StrokeColor.SetValue(pPattern, pValue, nValues); + int R, G, B; + FX_BOOL ret = pData->m_StrokeColor.GetRGB(R, G, B); + if (CPDF_TilingPattern* pTilingPattern = pPattern->AsTilingPattern()) { + if (!ret && pTilingPattern->colored()) { + pData->m_StrokeRGB = 0x00BFBFBF; + return; + } + } + pData->m_StrokeRGB = + pData->m_StrokeColor.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1; +} |