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// Copyright 2014 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 _FDE_PARSER
#define _FDE_PARSER
enum FDE_VISUALOBJTYPE {
FDE_VISUALOBJ_Canvas = 0x00,
FDE_VISUALOBJ_Text = 0x01 ,
FDE_VISUALOBJ_Image = 0x02 ,
FDE_VISUALOBJ_Path = 0x04 ,
FDE_VISUALOBJ_Widget = 0x08 ,
};
typedef struct _FDE_HVISUALOBJ {
void* pData;
} const * FDE_HVISUALOBJ;
class IFDE_VisualSet
{
public:
virtual FDE_VISUALOBJTYPE GetType() = 0;
virtual FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF &bbox) = 0;
virtual FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix &matrix) = 0;
virtual FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF &rt) = 0;
virtual FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF &rt) = 0;
};
class IFDE_CanvasSet : public IFDE_VisualSet
{
public:
virtual FX_POSITION GetFirstPosition(FDE_HVISUALOBJ hCanvas) = 0;
virtual FDE_HVISUALOBJ GetNext(FDE_HVISUALOBJ hCanvas, FX_POSITION &pos, IFDE_VisualSet *&pVisualSet) = 0;
virtual FDE_HVISUALOBJ GetParentCanvas(FDE_HVISUALOBJ hCanvas, IFDE_VisualSet *&pVisualSet) = 0;
};
class IFDE_TextSet : public IFDE_VisualSet
{
public:
virtual int32_t GetString(FDE_HVISUALOBJ hText, CFX_WideString &wsText) = 0;
virtual IFX_Font* GetFont(FDE_HVISUALOBJ hText) = 0;
virtual FX_FLOAT GetFontSize(FDE_HVISUALOBJ hText) = 0;
virtual FX_ARGB GetFontColor(FDE_HVISUALOBJ hText) = 0;
virtual int32_t GetDisplayPos(FDE_HVISUALOBJ hText, FXTEXT_CHARPOS *pCharPos, FX_BOOL bCharCode = FALSE, CFX_WideString *pWSForms = NULL) = 0;
virtual int32_t GetCharRects(FDE_HVISUALOBJ hText, CFX_RectFArray &rtArray) = 0;
};
class IFDE_ImageSet : public IFDE_VisualSet
{
public:
virtual IFDE_Image* GetImage(FDE_HVISUALOBJ hImage) = 0;
virtual FX_POSITION GetFirstFilterPosition(FDE_HVISUALOBJ hImage) = 0;
virtual FDE_LPCIMAGEFILTERPARAMS GetNextFilter(FDE_HVISUALOBJ hImage, FX_POSITION &pos) = 0;
};
#define FDE_FILLMODE_Alternate 1
#define FDE_FILLMODE_Winding 2
#define FDE_PATHRENDER_Stroke 1
#define FDE_PATHRENDER_Fill 2
#define FDE_PATHRENDER_FillStroke 3
class IFDE_PathSet : public IFDE_VisualSet
{
public:
virtual IFDE_Path* GetPath(FDE_HVISUALOBJ hPath) = 0;
virtual int32_t GetFillMode(FDE_HVISUALOBJ hPath) = 0;
virtual int32_t GetRenderMode(FDE_HVISUALOBJ hPath) = 0;
virtual IFDE_Pen* GetPen(FDE_HVISUALOBJ hPath) = 0;
virtual FX_FLOAT GetPenWidth(FDE_HVISUALOBJ hPath) = 0;
virtual IFDE_Brush* GetBrush(FDE_HVISUALOBJ hPath) = 0;
};
enum FDE_WIDGETOBJ {
FDE_WIDGETOBJ_Unknown = 0x0000,
FDE_WIDGETOBJ_Anchor = 0x0100,
FDE_WIDGETOBJ_NamedDest = 0x0200,
FDE_WIDGETOBJ_HyperLink = 0x0400,
};
#define FDE_WIDGETPARAM_Uri 1
#define FDE_WIDGETPARAM_Rects 2
class IFDE_WidgetSet : public IFDE_VisualSet
{
public:
virtual FDE_WIDGETOBJ GetWidgetType(FDE_HVISUALOBJ hWidget) = 0;
virtual FX_FLOAT GetFloat(FDE_HVISUALOBJ hWidget, int32_t iParameter, FX_FLOAT fDefVal = 0.0f) = 0;
virtual int32_t GetInteger(FDE_HVISUALOBJ hWidget, int32_t iParameter, int32_t iDefVal = 0) = 0;
virtual FX_BOOL GetString(FDE_HVISUALOBJ hWidget, int32_t iParameter, CFX_WideString &wsValue) = 0;
virtual FX_BOOL GetRects(FDE_HVISUALOBJ hWidget, int32_t iParameter, CFX_RectFArray &rects) = 0;
};
class IFDE_VisualSetIterator
{
public:
static IFDE_VisualSetIterator* Create();
virtual void Release() = 0;
virtual FX_BOOL AttachCanvas(IFDE_CanvasSet *pCanvas) = 0;
virtual FX_BOOL FilterObjects(FX_DWORD dwObjects = 0xFFFFFFFF) = 0;
virtual void Reset() = 0;
virtual FDE_HVISUALOBJ GetNext(IFDE_VisualSet *&pVisualSet, FDE_HVISUALOBJ *phCanvasObj = NULL, IFDE_CanvasSet **ppCanvasSet = NULL) = 0;
};
#endif
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