Move core/fpdfapi/fpdf_page to core/fpdfapi/page

core/fpdfapi/fpdf_page/cpdf_meshstream.cpp

Index: core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
diff --git a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp b/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
deleted file mode 100644
index 9e707365ecc292fed659e41ec12f8bfe5770ce8f..0000000000000000000000000000000000000000
--- a/core/fpdfapi/fpdf_page/cpdf_meshstream.cpp
+++ /dev/null
@@ -1,217 +0,0 @@
-// 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_meshstream.h"
-
-#include "core/fpdfapi/fpdf_page/cpdf_colorspace.h"
-#include "core/fpdfapi/fpdf_page/pageint.h"
-#include "core/fpdfapi/fpdf_parser/cpdf_array.h"
-
-namespace {
-
-// See PDF Reference 1.7, page 315, table 4.32. (Also table 4.33 and 4.34)
-bool ShouldCheckBPC(ShadingType type) {
-  switch (type) {
-    case kFreeFormGouraudTriangleMeshShading:
-    case kLatticeFormGouraudTriangleMeshShading:
-    case kCoonsPatchMeshShading:
-    case kTensorProductPatchMeshShading:
-      return true;
-    default:
-      return false;
-  }
-}
-
-// Same references as ShouldCheckBPC() above.
-bool IsValidBitsPerComponent(uint32_t x) {
-  switch (x) {
-    case 1:
-    case 2:
-    case 4:
-    case 8:
-    case 12:
-    case 16:
-      return true;
-    default:
-      return false;
-  }
-}
-
-// Same references as ShouldCheckBPC() above.
-bool IsValidBitsPerCoordinate(uint32_t x) {
-  switch (x) {
-    case 1:
-    case 2:
-    case 4:
-    case 8:
-    case 12:
-    case 16:
-    case 24:
-    case 32:
-      return true;
-    default:
-      return false;
-  }
-}
-
-// See PDF Reference 1.7, page 315, table 4.32. (Also table 4.34)
-bool ShouldCheckBitsPerFlag(ShadingType type) {
-  switch (type) {
-    case kFreeFormGouraudTriangleMeshShading:
-    case kCoonsPatchMeshShading:
-    case kTensorProductPatchMeshShading:
-      return true;
-    default:
-      return false;
-  }
-}
-
-// Same references as ShouldCheckBitsPerFlag() above.
-bool IsValidBitsPerFlag(uint32_t x) {
-  switch (x) {
-    case 2:
-    case 4:
-    case 8:
-      return true;
-    default:
-      return false;
-  }
-}
-
-}  // namespace
-
-CPDF_MeshStream::CPDF_MeshStream(
-    ShadingType type,
-    const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
-    CPDF_Stream* pShadingStream,
-    CPDF_ColorSpace* pCS)
-    : m_type(type),
-      m_funcs(funcs),
-      m_pShadingStream(pShadingStream),
-      m_pCS(pCS),
-      m_nCoordBits(0),
-      m_nComponentBits(0),
-      m_nFlagBits(0),
-      m_nComponents(0),
-      m_CoordMax(0),
-      m_ComponentMax(0),
-      m_xmin(0),
-      m_xmax(0),
-      m_ymin(0),
-      m_ymax(0) {
-  memset(&m_ColorMin, 0, sizeof(m_ColorMin));
-  memset(&m_ColorMax, 0, sizeof(m_ColorMax));
-}
-
-bool CPDF_MeshStream::Load() {
-  m_Stream.LoadAllData(m_pShadingStream);
-  m_BitStream.Init(m_Stream.GetData(), m_Stream.GetSize());
-  CPDF_Dictionary* pDict = m_pShadingStream->GetDict();
-  m_nCoordBits = pDict->GetIntegerFor("BitsPerCoordinate");
-  m_nComponentBits = pDict->GetIntegerFor("BitsPerComponent");
-  if (ShouldCheckBPC(m_type)) {
-    if (!IsValidBitsPerCoordinate(m_nCoordBits))
-      return false;
-    if (!IsValidBitsPerComponent(m_nComponentBits))
-      return false;
-  }
-
-  m_nFlagBits = pDict->GetIntegerFor("BitsPerFlag");
-  if (ShouldCheckBitsPerFlag(m_type) && !IsValidBitsPerFlag(m_nFlagBits))
-    return false;
-
-  uint32_t nComponents = m_pCS->CountComponents();
-  if (nComponents > kMaxComponents)
-    return false;
-
-  m_nComponents = m_funcs.empty() ? nComponents : 1;
-  CPDF_Array* pDecode = pDict->GetArrayFor("Decode");
-  if (!pDecode || pDecode->GetCount() != 4 + m_nComponents * 2)
-    return false;
-
-  m_xmin = pDecode->GetNumberAt(0);
-  m_xmax = pDecode->GetNumberAt(1);
-  m_ymin = pDecode->GetNumberAt(2);
-  m_ymax = pDecode->GetNumberAt(3);
-  for (uint32_t i = 0; i < m_nComponents; ++i) {
-    m_ColorMin[i] = pDecode->GetNumberAt(i * 2 + 4);
-    m_ColorMax[i] = pDecode->GetNumberAt(i * 2 + 5);
-  }
-
-  if (ShouldCheckBPC(m_type)) {
-    m_CoordMax = m_nCoordBits == 32 ? -1 : (1 << m_nCoordBits) - 1;
-    m_ComponentMax = (1 << m_nComponentBits) - 1;
-  }
-  return true;
-}
-
-uint32_t CPDF_MeshStream::GetFlag() {
-  ASSERT(ShouldCheckBitsPerFlag(m_type));
-  return m_BitStream.GetBits(m_nFlagBits) & 0x03;
-}
-
-void CPDF_MeshStream::GetCoords(FX_FLOAT& x, FX_FLOAT& y) {
-  ASSERT(ShouldCheckBPC(m_type));
-  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) {
-  ASSERT(ShouldCheckBPC(m_type));
-  FX_FLOAT color_value[kMaxComponents];
-  for (uint32_t i = 0; i < m_nComponents; ++i) {
-    color_value[i] = m_ColorMin[i] +
-                     m_BitStream.GetBits(m_nComponentBits) *
-                         (m_ColorMax[i] - m_ColorMin[i]) / m_ComponentMax;
-  }
-  if (m_funcs.empty()) {
-    m_pCS->GetRGB(color_value, r, g, b);
-    return;
-  }
-
-  FX_FLOAT result[kMaxComponents];
-  FXSYS_memset(result, 0, sizeof(result));
-  int nResults;
-  for (const auto& func : m_funcs) {
-    if (func && func->CountOutputs() <= kMaxComponents)
-      func->Call(color_value, 1, result, nResults);
-  }
-  m_pCS->GetRGB(result, r, g, b);
-}
-
-uint32_t CPDF_MeshStream::GetVertex(CPDF_MeshVertex& vertex,
-                                    CFX_Matrix* pObject2Bitmap) {
-  uint32_t 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;
-}