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Import r67258 of the wxWidgets trunk, which I expect will before
long become wxWidgets 2.9.2, which in turn is expected to be the last 2.9 release before the 3.0 stable release. Since the full wxWidgets distribution is rather large, I have imported only the parts that we use, on a subdirectory basis: art include/wx/*.* include/wx/aui include/wx/cocoa include/wx/generic include/wx/gtk include/wx/meta include/wx/msw include/wx/osx include/wx/persist include/wx/private include/wx/protocol include/wx/unix src/aui src/common src/generic src/gtk src/msw src/osx src/unix git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@7380 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Soren Jorvang
287
Externals/wxWidgets3/include/wx/osx/pngread.h
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287
Externals/wxWidgets3/include/wx/osx/pngread.h
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/*
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* File: pngread.h
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* Purpose: PNG file reader
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* Author: Alejandro Aguilar Sierra/Julian Smart
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* Created: 1995
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* Copyright: (c) 1995, Alejandro Aguilar Sierra <asierra@servidor.unam.mx>
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*
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*
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*/
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#ifndef _WX_PNGREAD__
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#define _WX_PNGREAD__
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#ifndef byte
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typedef unsigned char byte;
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#endif
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#define WXIMA_COLORS DIB_PAL_COLORS
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typedef byte * ImagePointerType;
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typedef struct
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{
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byte red;
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byte green;
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byte blue;
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} rgb_color_struct;
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#define COLORTYPE_PALETTE 1
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#define COLORTYPE_COLOR 2
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#define COLORTYPE_ALPHA 4
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class wxPNGReader
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{
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protected:
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int filetype;
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char filename[255];
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ImagePointerType RawImage; // Image data
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int Width, Height; // Dimensions
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int Depth; // (bits x pixel)
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int ColorType; // Bit 1 = Palette used
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// Bit 2 = Color used
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// Bit 3 = Alpha used
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long EfeWidth; // Efective Width
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void *lpbi;
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int bgindex;
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wxPalette* m_palette;
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bool imageOK;
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friend class wxPNGReaderIter;
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public:
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wxPNGReader(void);
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wxPNGReader (char* ImageFileName); // Read an image file
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virtual ~wxPNGReader ();
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void Create(int width, int height, int deep, int colortype=-1);
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bool ReadFile( char* ImageFileName=0 );
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bool SaveFile( char* ImageFileName=0 );
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bool SaveXPM(char *filename, char *name = 0);
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int GetWidth( void ) const { return Width; };
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int GetHeight( void ) const { return Height; };
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int GetDepth( void ) const { return Depth; };
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int GetColorType( void ) const { return ColorType; };
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int GetIndex(int x, int y);
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bool GetRGB(int x, int y, byte* r, byte* g, byte* b);
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bool SetIndex(int x, int y, int index);
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bool SetRGB(int x, int y, byte r, byte g, byte b);
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// ColorMap settings
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bool SetPalette(wxPalette* colourmap);
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bool SetPalette(int n, rgb_color_struct *rgb_struct);
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bool SetPalette(int n, byte *r, byte *g=0, byte *b=0);
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wxPalette* GetPalette() const { return m_palette; }
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void NullData();
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inline int GetBGIndex(void) { return bgindex; }
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inline bool Inside(int x, int y)
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{ return (0<=y && y<Height && 0<=x && x<Width); }
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virtual wxBitmap *GetBitmap(void);
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virtual bool InstantiateBitmap(wxBitmap *bitmap);
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wxMask *CreateMask(void);
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inline bool Ok() const { return IsOk(); }
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inline bool IsOk(void) { return imageOK; }
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};
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class wxPNGReaderIter
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{
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protected:
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int Itx, Ity; // Counters
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int Stepx, Stepy;
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ImagePointerType IterImage; // Image pointer
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wxPNGReader *ima;
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public:
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// Constructors
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wxPNGReaderIter ( void );
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wxPNGReaderIter ( wxPNGReader *imax );
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operator wxPNGReader* ();
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// Iterators
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bool ItOK ();
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void reset ();
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void upset ();
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void SetRow(byte *buf, int n);
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void GetRow(byte *buf, int n);
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byte GetByte( ) { return IterImage[Itx]; }
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void SetByte(byte b) { IterImage[Itx] = b; }
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ImagePointerType GetRow(void);
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bool NextRow();
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bool PrevRow();
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bool NextByte();
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bool PrevByte();
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void SetSteps(int x, int y=0) { Stepx = x; Stepy = y; }
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void GetSteps(int *x, int *y) { *x = Stepx; *y = Stepy; }
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bool NextStep();
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bool PrevStep();
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////////////////////////// AD - for interlace ///////////////////////////////
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void SetY(int y);
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/////////////////////////////////////////////////////////////////////////////
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};
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inline
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wxPNGReaderIter::wxPNGReaderIter(void)
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{
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ima = 0;
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IterImage = 0;
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Itx = Ity = 0;
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Stepx = Stepy = 0;
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}
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inline
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wxPNGReaderIter::wxPNGReaderIter(wxPNGReader *imax): ima(imax)
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{
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if (ima)
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IterImage = ima->RawImage;
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Itx = Ity = 0;
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Stepx = Stepy = 0;
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}
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inline
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wxPNGReaderIter::operator wxPNGReader* ()
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{
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return ima;
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}
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inline
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bool wxPNGReaderIter::ItOK ()
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{
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if (ima)
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return ima->Inside(Itx, Ity);
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else
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return FALSE;
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}
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inline void wxPNGReaderIter::reset()
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{
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IterImage = ima->RawImage;
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Itx = Ity = 0;
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}
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inline void wxPNGReaderIter::upset()
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{
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Itx = 0;
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Ity = ima->Height-1;
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IterImage = ima->RawImage + ima->EfeWidth*(ima->Height-1);
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}
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inline bool wxPNGReaderIter::NextRow()
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{
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if (++Ity >= ima->Height) return 0;
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IterImage += ima->EfeWidth;
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return 1;
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}
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inline bool wxPNGReaderIter::PrevRow()
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{
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if (--Ity < 0) return 0;
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IterImage -= ima->EfeWidth;
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return 1;
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}
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////////////////////////// AD - for interlace ///////////////////////////////
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inline void wxPNGReaderIter::SetY(int y)
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{
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if ((y < 0) || (y > ima->Height)) return;
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Ity = y;
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IterImage = ima->RawImage + ima->EfeWidth*y;
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}
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/////////////////////////////////////////////////////////////////////////////
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inline void wxPNGReaderIter::SetRow(byte *buf, int n)
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{
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// Here should be bcopy or memcpy
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//_fmemcpy(IterImage, (void far *)buf, n);
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if (n<0)
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n = ima->GetWidth();
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for (int i=0; i<n; i++) IterImage[i] = buf[i];
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}
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inline void wxPNGReaderIter::GetRow(byte *buf, int n)
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{
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for (int i=0; i<n; i++) buf[i] = IterImage[i];
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}
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inline ImagePointerType wxPNGReaderIter::GetRow()
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{
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return IterImage;
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}
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inline bool wxPNGReaderIter::NextByte()
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{
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if (++Itx < ima->EfeWidth)
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return 1;
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else
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if (++Ity < ima->Height)
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{
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IterImage += ima->EfeWidth;
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Itx = 0;
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return 1;
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} else
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return 0;
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}
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inline bool wxPNGReaderIter::PrevByte()
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{
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if (--Itx >= 0)
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return 1;
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else
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if (--Ity >= 0)
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{
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IterImage -= ima->EfeWidth;
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Itx = 0;
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return 1;
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} else
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return 0;
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}
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inline bool wxPNGReaderIter::NextStep()
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{
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Itx += Stepx;
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if (Itx < ima->EfeWidth)
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return 1;
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else {
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Ity += Stepy;
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if (Ity < ima->Height)
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{
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IterImage += ima->EfeWidth;
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Itx = 0;
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return 1;
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} else
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return 0;
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}
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}
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inline bool wxPNGReaderIter::PrevStep()
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{
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Itx -= Stepx;
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if (Itx >= 0)
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return 1;
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else {
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Ity -= Stepy;
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if (Ity >= 0 && Ity < ima->Height)
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{
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IterImage -= ima->EfeWidth;
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Itx = 0;
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return 1;
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} else
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return 0;
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}
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}
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#endif
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