diff options
Diffstat (limited to 'core/fpdfapi/page/cpdf_generalstate.cpp')
| -rw-r--r-- | core/fpdfapi/page/cpdf_generalstate.cpp | 281 |
1 files changed, 281 insertions, 0 deletions
diff --git a/core/fpdfapi/page/cpdf_generalstate.cpp b/core/fpdfapi/page/cpdf_generalstate.cpp new file mode 100644 index 0000000000..4b082c0946 --- /dev/null +++ b/core/fpdfapi/page/cpdf_generalstate.cpp @@ -0,0 +1,281 @@ +// 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_generalstate.h" + +#include "core/fpdfapi/fpdf_parser/cpdf_document.h" +#include "core/fpdfapi/fpdf_render/render_int.h" + +namespace { + +int RI_StringToId(const CFX_ByteString& ri) { + uint32_t id = ri.GetID(); + if (id == FXBSTR_ID('A', 'b', 's', 'o')) + return 1; + + if (id == FXBSTR_ID('S', 'a', 't', 'u')) + return 2; + + if (id == FXBSTR_ID('P', 'e', 'r', 'c')) + return 3; + + return 0; +} + +int GetBlendTypeInternal(const CFX_ByteString& mode) { + switch (mode.GetID()) { + case FXBSTR_ID('N', 'o', 'r', 'm'): + case FXBSTR_ID('C', 'o', 'm', 'p'): + return FXDIB_BLEND_NORMAL; + case FXBSTR_ID('M', 'u', 'l', 't'): + return FXDIB_BLEND_MULTIPLY; + case FXBSTR_ID('S', 'c', 'r', 'e'): + return FXDIB_BLEND_SCREEN; + case FXBSTR_ID('O', 'v', 'e', 'r'): + return FXDIB_BLEND_OVERLAY; + case FXBSTR_ID('D', 'a', 'r', 'k'): + return FXDIB_BLEND_DARKEN; + case FXBSTR_ID('L', 'i', 'g', 'h'): + return FXDIB_BLEND_LIGHTEN; + case FXBSTR_ID('C', 'o', 'l', 'o'): + if (mode.GetLength() == 10) + return FXDIB_BLEND_COLORDODGE; + if (mode.GetLength() == 9) + return FXDIB_BLEND_COLORBURN; + return FXDIB_BLEND_COLOR; + case FXBSTR_ID('H', 'a', 'r', 'd'): + return FXDIB_BLEND_HARDLIGHT; + case FXBSTR_ID('S', 'o', 'f', 't'): + return FXDIB_BLEND_SOFTLIGHT; + case FXBSTR_ID('D', 'i', 'f', 'f'): + return FXDIB_BLEND_DIFFERENCE; + case FXBSTR_ID('E', 'x', 'c', 'l'): + return FXDIB_BLEND_EXCLUSION; + case FXBSTR_ID('H', 'u', 'e', 0): + return FXDIB_BLEND_HUE; + case FXBSTR_ID('S', 'a', 't', 'u'): + return FXDIB_BLEND_SATURATION; + case FXBSTR_ID('L', 'u', 'm', 'i'): + return FXDIB_BLEND_LUMINOSITY; + } + return FXDIB_BLEND_NORMAL; +} + +} // namespace + +CPDF_GeneralState::CPDF_GeneralState() {} + +CPDF_GeneralState::CPDF_GeneralState(const CPDF_GeneralState& that) + : m_Ref(that.m_Ref) {} + +CPDF_GeneralState::~CPDF_GeneralState() {} + +void CPDF_GeneralState::SetRenderIntent(const CFX_ByteString& ri) { + m_Ref.GetPrivateCopy()->m_RenderIntent = RI_StringToId(ri); +} + +int CPDF_GeneralState::GetBlendType() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_BlendType : FXDIB_BLEND_NORMAL; +} + +void CPDF_GeneralState::SetBlendType(int type) { + m_Ref.GetPrivateCopy()->m_BlendType = type; +} + +FX_FLOAT CPDF_GeneralState::GetFillAlpha() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_FillAlpha : 1.0f; +} + +void CPDF_GeneralState::SetFillAlpha(FX_FLOAT alpha) { + m_Ref.GetPrivateCopy()->m_FillAlpha = alpha; +} + +FX_FLOAT CPDF_GeneralState::GetStrokeAlpha() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_StrokeAlpha : 1.0f; +} + +void CPDF_GeneralState::SetStrokeAlpha(FX_FLOAT alpha) { + m_Ref.GetPrivateCopy()->m_StrokeAlpha = alpha; +} + +CPDF_Object* CPDF_GeneralState::GetSoftMask() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_pSoftMask : nullptr; +} + +void CPDF_GeneralState::SetSoftMask(CPDF_Object* pObject) { + m_Ref.GetPrivateCopy()->m_pSoftMask = pObject; +} + +CPDF_Object* CPDF_GeneralState::GetTR() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_pTR : nullptr; +} + +void CPDF_GeneralState::SetTR(CPDF_Object* pObject) { + m_Ref.GetPrivateCopy()->m_pTR = pObject; +} + +CPDF_TransferFunc* CPDF_GeneralState::GetTransferFunc() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? pData->m_pTransferFunc : nullptr; +} + +void CPDF_GeneralState::SetTransferFunc(CPDF_TransferFunc* pFunc) { + m_Ref.GetPrivateCopy()->m_pTransferFunc = pFunc; +} + +void CPDF_GeneralState::SetBlendMode(const CFX_ByteString& mode) { + StateData* pData = m_Ref.GetPrivateCopy(); + pData->m_BlendMode = mode; + pData->m_BlendType = GetBlendTypeInternal(mode); +} + +const CFX_Matrix* CPDF_GeneralState::GetSMaskMatrix() const { + const StateData* pData = m_Ref.GetObject(); + return pData ? &pData->m_SMaskMatrix : nullptr; +} + +void CPDF_GeneralState::SetSMaskMatrix(const CFX_Matrix& matrix) { + m_Ref.GetPrivateCopy()->m_SMaskMatrix = matrix; +} + +bool CPDF_GeneralState::GetFillOP() const { + const StateData* pData = m_Ref.GetObject(); + return pData && pData->m_FillOP; +} + +void CPDF_GeneralState::SetFillOP(bool op) { + m_Ref.GetPrivateCopy()->m_FillOP = op; +} + +void CPDF_GeneralState::SetStrokeOP(bool op) { + m_Ref.GetPrivateCopy()->m_StrokeOP = op; +} + +bool CPDF_GeneralState::GetStrokeOP() const { + const StateData* pData = m_Ref.GetObject(); + return pData && pData->m_StrokeOP; +} + +int CPDF_GeneralState::GetOPMode() const { + return m_Ref.GetObject()->m_OPMode; +} + +void CPDF_GeneralState::SetOPMode(int mode) { + m_Ref.GetPrivateCopy()->m_OPMode = mode; +} + +void CPDF_GeneralState::SetBG(CPDF_Object* pObject) { + m_Ref.GetPrivateCopy()->m_pBG = pObject; +} + +void CPDF_GeneralState::SetUCR(CPDF_Object* pObject) { + m_Ref.GetPrivateCopy()->m_pUCR = pObject; +} + +void CPDF_GeneralState::SetHT(CPDF_Object* pObject) { + m_Ref.GetPrivateCopy()->m_pHT = pObject; +} + +void CPDF_GeneralState::SetFlatness(FX_FLOAT flatness) { + m_Ref.GetPrivateCopy()->m_Flatness = flatness; +} + +void CPDF_GeneralState::SetSmoothness(FX_FLOAT smoothness) { + m_Ref.GetPrivateCopy()->m_Smoothness = smoothness; +} + +bool CPDF_GeneralState::GetStrokeAdjust() const { + const StateData* pData = m_Ref.GetObject(); + return pData && pData->m_StrokeAdjust; +} + +void CPDF_GeneralState::SetStrokeAdjust(bool adjust) { + m_Ref.GetPrivateCopy()->m_StrokeAdjust = adjust; +} + +void CPDF_GeneralState::SetAlphaSource(bool source) { + m_Ref.GetPrivateCopy()->m_AlphaSource = source; +} + +void CPDF_GeneralState::SetTextKnockout(bool knockout) { + m_Ref.GetPrivateCopy()->m_TextKnockout = knockout; +} + +void CPDF_GeneralState::SetMatrix(const CFX_Matrix& matrix) { + m_Ref.GetPrivateCopy()->m_Matrix = matrix; +} + +CFX_Matrix* CPDF_GeneralState::GetMutableMatrix() { + return &m_Ref.GetPrivateCopy()->m_Matrix; +} + +CPDF_GeneralState::StateData::StateData() + : m_BlendMode("Normal"), + m_BlendType(0), + m_pSoftMask(nullptr), + m_StrokeAlpha(1.0), + m_FillAlpha(1.0f), + m_pTR(nullptr), + m_pTransferFunc(nullptr), + m_RenderIntent(0), + m_StrokeAdjust(false), + m_AlphaSource(false), + m_TextKnockout(false), + m_StrokeOP(false), + m_FillOP(false), + m_OPMode(0), + m_pBG(nullptr), + m_pUCR(nullptr), + m_pHT(nullptr), + m_Flatness(1.0f), + m_Smoothness(0.0f) { + m_SMaskMatrix.SetIdentity(); + m_Matrix.SetIdentity(); +} + +CPDF_GeneralState::StateData::StateData(const StateData& that) + : m_BlendMode(that.m_BlendMode), + m_BlendType(that.m_BlendType), + m_pSoftMask(that.m_pSoftMask), + m_StrokeAlpha(that.m_StrokeAlpha), + m_FillAlpha(that.m_FillAlpha), + m_pTR(that.m_pTR), + m_pTransferFunc(that.m_pTransferFunc), + m_RenderIntent(that.m_RenderIntent), + m_StrokeAdjust(that.m_StrokeAdjust), + m_AlphaSource(that.m_AlphaSource), + m_TextKnockout(that.m_TextKnockout), + m_StrokeOP(that.m_StrokeOP), + m_FillOP(that.m_FillOP), + m_OPMode(that.m_OPMode), + m_pBG(that.m_pBG), + m_pUCR(that.m_pUCR), + m_pHT(that.m_pHT), + m_Flatness(that.m_Flatness), + m_Smoothness(that.m_Smoothness) { + m_Matrix = that.m_Matrix; + m_SMaskMatrix = that.m_SMaskMatrix; + + if (that.m_pTransferFunc && that.m_pTransferFunc->m_pPDFDoc) { + CPDF_DocRenderData* pDocCache = + that.m_pTransferFunc->m_pPDFDoc->GetRenderData(); + if (pDocCache) + m_pTransferFunc = pDocCache->GetTransferFunc(m_pTR); + } +} + +CPDF_GeneralState::StateData::~StateData() { + if (m_pTransferFunc && m_pTransferFunc->m_pPDFDoc) { + CPDF_DocRenderData* pDocCache = m_pTransferFunc->m_pPDFDoc->GetRenderData(); + if (pDocCache) + pDocCache->ReleaseTransferFunc(m_pTR); + } +} |