diff options
Diffstat (limited to 'core/fpdfapi/page/cpdf_colorstate.cpp')
-rw-r--r-- | core/fpdfapi/page/cpdf_colorstate.cpp | 154 |
1 files changed, 154 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_colorstate.cpp b/core/fpdfapi/page/cpdf_colorstate.cpp new file mode 100644 index 0000000000..da583122af --- /dev/null +++ b/core/fpdfapi/page/cpdf_colorstate.cpp @@ -0,0 +1,154 @@ +// 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/page/cpdf_colorstate.h" + +#include "core/fpdfapi/page/cpdf_pattern.h" +#include "core/fpdfapi/page/cpdf_tilingpattern.h" +#include "core/fxge/fx_dib.h" + +CPDF_ColorState::CPDF_ColorState() {} + +CPDF_ColorState::CPDF_ColorState(const CPDF_ColorState& that) + : m_Ref(that.m_Ref) {} + +CPDF_ColorState::~CPDF_ColorState() {} + +void CPDF_ColorState::Emplace() { + m_Ref.Emplace(); +} + +void CPDF_ColorState::SetDefault() { + m_Ref.GetPrivateCopy()->SetDefault(); +} + +uint32_t CPDF_ColorState::GetFillRGB() const { + return m_Ref.GetObject()->m_FillRGB; +} + +void CPDF_ColorState::SetFillRGB(uint32_t rgb) { + m_Ref.GetPrivateCopy()->m_FillRGB = rgb; +} + +uint32_t CPDF_ColorState::GetStrokeRGB() const { + return m_Ref.GetObject()->m_StrokeRGB; +} + +void CPDF_ColorState::SetStrokeRGB(uint32_t rgb) { + m_Ref.GetPrivateCopy()->m_StrokeRGB = rgb; +} + +const CPDF_Color* CPDF_ColorState::GetFillColor() const { + const ColorData* pData = m_Ref.GetObject(); + return pData ? &pData->m_FillColor : nullptr; +} + +CPDF_Color* CPDF_ColorState::GetMutableFillColor() { + return &m_Ref.GetPrivateCopy()->m_FillColor; +} + +bool CPDF_ColorState::HasFillColor() const { + const CPDF_Color* pColor = GetFillColor(); + return pColor && !pColor->IsNull(); +} + +const CPDF_Color* CPDF_ColorState::GetStrokeColor() const { + const ColorData* pData = m_Ref.GetObject(); + return pData ? &pData->m_StrokeColor : nullptr; +} + +CPDF_Color* CPDF_ColorState::GetMutableStrokeColor() { + return &m_Ref.GetPrivateCopy()->m_StrokeColor; +} + +bool CPDF_ColorState::HasStrokeColor() const { + const CPDF_Color* pColor = GetStrokeColor(); + return pColor && !pColor->IsNull(); +} + +void CPDF_ColorState::SetFillColor(CPDF_ColorSpace* pCS, + FX_FLOAT* pValue, + uint32_t nValues) { + ColorData* pData = m_Ref.GetPrivateCopy(); + SetColor(pData->m_FillColor, pData->m_FillRGB, pCS, pValue, nValues); +} + +void CPDF_ColorState::SetStrokeColor(CPDF_ColorSpace* pCS, + FX_FLOAT* pValue, + uint32_t nValues) { + ColorData* pData = m_Ref.GetPrivateCopy(); + SetColor(pData->m_StrokeColor, pData->m_StrokeRGB, pCS, pValue, nValues); +} + +void CPDF_ColorState::SetFillPattern(CPDF_Pattern* pPattern, + FX_FLOAT* pValue, + uint32_t nValues) { + ColorData* pData = m_Ref.GetPrivateCopy(); + 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) { + ColorData* pData = m_Ref.GetPrivateCopy(); + 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; +} + +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; + int G; + int B; + rgb = color.GetRGB(R, G, B) ? FXSYS_RGB(R, G, B) : (uint32_t)-1; +} + +CPDF_ColorState::ColorData::ColorData() : m_FillRGB(0), m_StrokeRGB(0) {} + +CPDF_ColorState::ColorData::ColorData(const ColorData& src) + : m_FillRGB(src.m_FillRGB), m_StrokeRGB(src.m_StrokeRGB) { + m_FillColor.Copy(&src.m_FillColor); + m_StrokeColor.Copy(&src.m_StrokeColor); +} + +CPDF_ColorState::ColorData::~ColorData() {} + +void CPDF_ColorState::ColorData::SetDefault() { + m_FillRGB = 0; + m_StrokeRGB = 0; + m_FillColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); + m_StrokeColor.SetColorSpace(CPDF_ColorSpace::GetStockCS(PDFCS_DEVICEGRAY)); +} |