// 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
|
|
#ifndef CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
|
#define CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
|
|
#include <memory>
|
#include <vector>
|
|
#include "core/fpdfapi/fpdf_page/cpdf_shadingpattern.h"
|
#include "core/fpdfapi/fpdf_parser/include/cpdf_stream_acc.h"
|
#include "core/fxcrt/include/fx_basic.h"
|
#include "core/fxcrt/include/fx_system.h"
|
|
struct CPDF_MeshVertex {
|
FX_FLOAT x;
|
FX_FLOAT y;
|
FX_FLOAT r;
|
FX_FLOAT g;
|
FX_FLOAT b;
|
};
|
|
class CFX_Matrix;
|
class CPDF_ColorSpace;
|
class CPDF_Function;
|
class CPDF_Stream;
|
|
class CPDF_MeshStream {
|
public:
|
CPDF_MeshStream(ShadingType type,
|
const std::vector<std::unique_ptr<CPDF_Function>>& funcs,
|
CPDF_Stream* pShadingStream,
|
CPDF_ColorSpace* pCS);
|
|
bool Load();
|
|
uint32_t GetFlag();
|
void GetCoords(FX_FLOAT& x, FX_FLOAT& y);
|
void GetColor(FX_FLOAT& r, FX_FLOAT& g, FX_FLOAT& b);
|
|
uint32_t GetVertex(CPDF_MeshVertex& vertex, CFX_Matrix* pObject2Bitmap);
|
FX_BOOL GetVertexRow(CPDF_MeshVertex* vertex,
|
int count,
|
CFX_Matrix* pObject2Bitmap);
|
|
CFX_BitStream* BitStream() { return &m_BitStream; }
|
uint32_t ComponentBits() const { return m_nComponentBits; }
|
uint32_t Components() const { return m_nComponents; }
|
|
private:
|
static const uint32_t kMaxComponents = 8;
|
|
const ShadingType m_type;
|
const std::vector<std::unique_ptr<CPDF_Function>>& m_funcs;
|
CPDF_Stream* const m_pShadingStream;
|
CPDF_ColorSpace* const m_pCS;
|
uint32_t m_nCoordBits;
|
uint32_t m_nComponentBits;
|
uint32_t m_nFlagBits;
|
uint32_t m_nComponents;
|
uint32_t m_CoordMax;
|
uint32_t m_ComponentMax;
|
FX_FLOAT m_xmin;
|
FX_FLOAT m_xmax;
|
FX_FLOAT m_ymin;
|
FX_FLOAT m_ymax;
|
FX_FLOAT m_ColorMin[kMaxComponents];
|
FX_FLOAT m_ColorMax[kMaxComponents];
|
CPDF_StreamAcc m_Stream;
|
CFX_BitStream m_BitStream;
|
};
|
|
#endif // CORE_FPDFAPI_FPDF_PAGE_CPDF_MESHSTREAM_H_
|
