From 61b2fc718910a5ab2a75ec5026b239ff33bccfdc Mon Sep 17 00:00:00 2001 From: dan sinclair Date: Wed, 23 Mar 2016 19:21:44 -0400 Subject: Split core/include/fpdfapi/fpdf_resource.h This CL splits apart the core/include/fpdfapi/fpdf_resource.h file and places the classes into individual files. R=tsepez@chromium.org Review URL: https://codereview.chromium.org/1824033002 . --- core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp | 239 +-------------------------- 1 file changed, 3 insertions(+), 236 deletions(-) (limited to 'core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp') diff --git a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp index fbb2c28373..822d06d84c 100644 --- a/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp +++ b/core/fpdfapi/fpdf_page/fpdf_page_pattern.cpp @@ -8,10 +8,13 @@ #include +#include "core/fpdfapi/fpdf_page/cpdf_meshstream.h" +#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h" #include "core/fpdfapi/fpdf_page/include/cpdf_form.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_array.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_dictionary.h" #include "core/fpdfapi/fpdf_parser/include/cpdf_document.h" +#include "core/fpdfapi/fpdf_parser/include/cpdf_stream.h" namespace { @@ -22,245 +25,9 @@ const int kCoonsCoordinatePairs = 12; const int kSingleColorPerPatch = 1; const int kQuadColorsPerPatch = 4; -ShadingType ToShadingType(int type) { - return (type > static_cast(kInvalidShading) && - type < static_cast(kMaxShading)) - ? static_cast(type) - : kInvalidShading; -} - } // namespace -CPDF_Pattern::CPDF_Pattern(PatternType type, - CPDF_Document* pDoc, - CPDF_Object* pObj, - const CFX_Matrix* pParentMatrix) - : m_PatternType(type), - m_pDocument(pDoc), - m_pPatternObj(pObj), - m_bForceClear(FALSE) { - if (pParentMatrix) - m_ParentMatrix = *pParentMatrix; -} -CPDF_Pattern::~CPDF_Pattern() {} -CPDF_TilingPattern::CPDF_TilingPattern(CPDF_Document* pDoc, - CPDF_Object* pPatternObj, - const CFX_Matrix* parentMatrix) - : CPDF_Pattern(TILING, pDoc, pPatternObj, parentMatrix) { - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - m_Pattern2Form = pDict->GetMatrixBy("Matrix"); - m_bColored = pDict->GetIntegerBy("PaintType") == 1; - if (parentMatrix) { - m_Pattern2Form.Concat(*parentMatrix); - } - m_pForm = NULL; -} -CPDF_TilingPattern::~CPDF_TilingPattern() { - delete m_pForm; - m_pForm = NULL; -} -FX_BOOL CPDF_TilingPattern::Load() { - if (m_pForm) - return TRUE; - - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - if (!pDict) - return FALSE; - - m_bColored = pDict->GetIntegerBy("PaintType") == 1; - m_XStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("XStep")); - m_YStep = (FX_FLOAT)FXSYS_fabs(pDict->GetNumberBy("YStep")); - - CPDF_Stream* pStream = m_pPatternObj->AsStream(); - if (!pStream) - return FALSE; - - m_pForm = new CPDF_Form(m_pDocument, NULL, pStream); - m_pForm->ParseContent(NULL, &m_ParentMatrix, NULL, NULL); - m_BBox = pDict->GetRectBy("BBox"); - return TRUE; -} -CPDF_ShadingPattern::CPDF_ShadingPattern(CPDF_Document* pDoc, - CPDF_Object* pPatternObj, - FX_BOOL bShading, - const CFX_Matrix* parentMatrix) - : CPDF_Pattern(SHADING, - pDoc, - bShading ? nullptr : pPatternObj, - parentMatrix), - m_ShadingType(kInvalidShading), - m_bShadingObj(bShading), - m_pShadingObj(pPatternObj), - m_pCS(nullptr), - m_pCountedCS(nullptr), - m_nFuncs(0) { - if (!bShading) { - CPDF_Dictionary* pDict = m_pPatternObj->GetDict(); - m_Pattern2Form = pDict->GetMatrixBy("Matrix"); - m_pShadingObj = pDict->GetElementValue("Shading"); - if (parentMatrix) - m_Pattern2Form.Concat(*parentMatrix); - } - for (int i = 0; i < FX_ArraySize(m_pFunctions); ++i) - m_pFunctions[i] = nullptr; -} - -CPDF_ShadingPattern::~CPDF_ShadingPattern() { - for (int i = 0; i < m_nFuncs; ++i) - delete m_pFunctions[i]; - - CPDF_ColorSpace* pCS = m_pCountedCS ? m_pCountedCS->get() : NULL; - if (pCS && m_pDocument) - m_pDocument->GetPageData()->ReleaseColorSpace(pCS->GetArray()); -} - -FX_BOOL CPDF_ShadingPattern::Load() { - if (m_ShadingType != kInvalidShading) - return TRUE; - - CPDF_Dictionary* pShadingDict = - m_pShadingObj ? m_pShadingObj->GetDict() : NULL; - if (!pShadingDict) { - return FALSE; - } - if (m_nFuncs) { - for (int i = 0; i < m_nFuncs; i++) - delete m_pFunctions[i]; - m_nFuncs = 0; - } - CPDF_Object* pFunc = pShadingDict->GetElementValue("Function"); - if (pFunc) { - if (CPDF_Array* pArray = pFunc->AsArray()) { - m_nFuncs = std::min(pArray->GetCount(), 4); - for (int i = 0; i < m_nFuncs; i++) { - m_pFunctions[i] = CPDF_Function::Load(pArray->GetElementValue(i)); - } - } else { - m_pFunctions[0] = CPDF_Function::Load(pFunc); - m_nFuncs = 1; - } - } - CPDF_Object* pCSObj = pShadingDict->GetElementValue("ColorSpace"); - if (!pCSObj) { - return FALSE; - } - CPDF_DocPageData* pDocPageData = m_pDocument->GetPageData(); - m_pCS = pDocPageData->GetColorSpace(pCSObj, NULL); - if (m_pCS) { - m_pCountedCS = pDocPageData->FindColorSpacePtr(m_pCS->GetArray()); - } - - m_ShadingType = ToShadingType(pShadingDict->GetIntegerBy("ShadingType")); - - // We expect to have a stream if our shading type is a mesh. - if (IsMeshShading() && !ToStream(m_pShadingObj)) - return FALSE; - - return TRUE; -} -FX_BOOL CPDF_MeshStream::Load(CPDF_Stream* pShadingStream, - CPDF_Function** pFuncs, - int nFuncs, - CPDF_ColorSpace* pCS) { - m_Stream.LoadAllData(pShadingStream); - m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize()); - m_pFuncs = pFuncs; - m_nFuncs = nFuncs; - m_pCS = pCS; - CPDF_Dictionary* pDict = pShadingStream->GetDict(); - m_nCoordBits = pDict->GetIntegerBy("BitsPerCoordinate"); - m_nCompBits = pDict->GetIntegerBy("BitsPerComponent"); - m_nFlagBits = pDict->GetIntegerBy("BitsPerFlag"); - if (!m_nCoordBits || !m_nCompBits) { - return FALSE; - } - FX_DWORD nComps = pCS->CountComponents(); - if (nComps > 8) { - return FALSE; - } - m_nComps = nFuncs ? 1 : nComps; - if (((int)m_nComps < 0) || m_nComps > 8) { - return FALSE; - } - m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1; - m_CompMax = (1 << m_nCompBits) - 1; - CPDF_Array* pDecode = pDict->GetArrayBy("Decode"); - if (!pDecode || pDecode->GetCount() != 4 + m_nComps * 2) { - return FALSE; - } - m_xmin = pDecode->GetNumberAt(0); - m_xmax = pDecode->GetNumberAt(1); - m_ymin = pDecode->GetNumberAt(2); - m_ymax = pDecode->GetNumberAt(3); - for (FX_DWORD i = 0; i < m_nComps; i++) { - m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4); - m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5); - } - return TRUE; -} -FX_DWORD CPDF_MeshStream::GetFlag() { - return m_BitStream.GetBits(m_nFlagBits) & 0x03; -} -void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) { - if (m_nCoordBits == 32) { - x = m_xmin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * - (m_xmax - m_xmin) / (double)m_CoordMax); - y = m_ymin + (FX_FLOAT)(m_BitStream.GetBits(m_nCoordBits) * - (m_ymax - m_ymin) / (double)m_CoordMax); - } else { - x = m_xmin + - m_BitStream.GetBits(m_nCoordBits) * (m_xmax - m_xmin) / m_CoordMax; - y = m_ymin + - m_BitStream.GetBits(m_nCoordBits) * (m_ymax - m_ymin) / m_CoordMax; - } -} -void CPDF_MeshStream::GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b) { - FX_DWORD i; - FX_FLOAT color_value[8]; - for (i = 0; i < m_nComps; i++) { - color_value[i] = m_ColorMin[i] + - m_BitStream.GetBits(m_nCompBits) * - (m_ColorMax[i] - m_ColorMin[i]) / m_CompMax; - } - if (m_nFuncs) { - static const int kMaxResults = 8; - FX_FLOAT result[kMaxResults]; - int nResults; - FXSYS_memset(result, 0, sizeof(result)); - for (FX_DWORD i = 0; i < m_nFuncs; i++) { - if (m_pFuncs[i] && m_pFuncs[i]->CountOutputs() <= kMaxResults) { - m_pFuncs[i]->Call(color_value, 1, result, nResults); - } - } - m_pCS->GetRGB(result, r, g, b); - } else { - m_pCS->GetRGB(color_value, r, g, b); - } -} -FX_DWORD CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex, - CFX_Matrix* pObject2Bitmap) { - FX_DWORD flag = GetFlag(); - GetCoords(vertex.x, vertex.y); - pObject2Bitmap->Transform(vertex.x, vertex.y); - GetColor(vertex.r, vertex.g, vertex.b); - m_BitStream.ByteAlign(); - return flag; -} -FX_BOOL CPDF_MeshStream::GetVertexRow(CPDF_MeshVertex* vertex, - int count, - CFX_Matrix* pObject2Bitmap) { - for (int i = 0; i < count; i++) { - if (m_BitStream.IsEOF()) { - return FALSE; - } - GetCoords(vertex[i].x, vertex[i].y); - pObject2Bitmap->Transform(vertex[i].x, vertex[i].y); - GetColor(vertex[i].r, vertex[i].g, vertex[i].b); - m_BitStream.ByteAlign(); - } - return TRUE; -} CFX_FloatRect GetShadingBBox(CPDF_Stream* pStream, ShadingType type, -- cgit v1.2.3