X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/af49c4b8a2d3553e733e71c7dd3911881f4c1a2a..f29fe16932ede752589ef9ed34a757342387932f:/include/wx/mac/pngread.h?ds=sidebyside diff --git a/include/wx/mac/pngread.h b/include/wx/mac/pngread.h index 8aa50a09d4..0205de9392 100644 --- a/include/wx/mac/pngread.h +++ b/include/wx/mac/pngread.h @@ -1,290 +1,5 @@ -/* - * File: pngread.h - * Purpose: PNG file reader - * Author: Alejandro Aguilar Sierra/Julian Smart - * Created: 1995 - * Copyright: (c) 1995, Alejandro Aguilar Sierra - * - * - */ - -#ifndef _WX_PNGREAD__ -#define _WX_PNGREAD__ - -#if defined(__GNUG__) && !defined(__APPLE__) -#pragma interface "pngread.h" -#endif - -#ifndef byte -typedef unsigned char byte; -#endif - -#define WXIMA_COLORS DIB_PAL_COLORS - -typedef byte * ImagePointerType; - -typedef struct -{ - byte red; - byte green; - byte blue; -} rgb_color_struct; - - -#define COLORTYPE_PALETTE 1 -#define COLORTYPE_COLOR 2 -#define COLORTYPE_ALPHA 4 - -class wxPNGReader -{ -protected: - int filetype; - char filename[255]; - ImagePointerType RawImage; // Image data - - int Width, Height; // Dimensions - int Depth; // (bits x pixel) - int ColorType; // Bit 1 = Palette used - // Bit 2 = Color used - // Bit 3 = Alpha used - - long EfeWidth; // Efective Width - - void *lpbi; - int bgindex; - wxPalette* m_palette; - bool imageOK; -friend class wxPNGReaderIter; -public: - wxPNGReader(void); - wxPNGReader (char* ImageFileName); // Read an image file - virtual ~wxPNGReader (); - - void Create(int width, int height, int deep, int colortype=-1); - - bool ReadFile( char* ImageFileName=0 ); - bool SaveFile( char* ImageFileName=0 ); - bool SaveXPM(char *filename, char *name = 0); - int GetWidth( void ) const { return Width; }; - int GetHeight( void ) const { return Height; }; - int GetDepth( void ) const { return Depth; }; - int GetColorType( void ) const { return ColorType; }; - - int GetIndex(int x, int y); - bool GetRGB(int x, int y, byte* r, byte* g, byte* b); - - bool SetIndex(int x, int y, int index); - bool SetRGB(int x, int y, byte r, byte g, byte b); - - // ColorMap settings - bool SetPalette(wxPalette* colourmap); - bool SetPalette(int n, rgb_color_struct *rgb_struct); - bool SetPalette(int n, byte *r, byte *g=0, byte *b=0); - wxPalette* GetPalette() const { return m_palette; } - - void NullData(); - inline int GetBGIndex(void) { return bgindex; } - - inline bool Inside(int x, int y) - { return (0<=y && yRawImage; - Itx = Ity = 0; - Stepx = Stepy = 0; -} - -inline -wxPNGReaderIter::operator wxPNGReader* () -{ - return ima; -} - -inline -bool wxPNGReaderIter::ItOK () -{ - if (ima) - return ima->Inside(Itx, Ity); - else - return FALSE; -} - - -inline void wxPNGReaderIter::reset() -{ - IterImage = ima->RawImage; - Itx = Ity = 0; -} - -inline void wxPNGReaderIter::upset() -{ - Itx = 0; - Ity = ima->Height-1; - IterImage = ima->RawImage + ima->EfeWidth*(ima->Height-1); -} - -inline bool wxPNGReaderIter::NextRow() -{ - if (++Ity >= ima->Height) return 0; - IterImage += ima->EfeWidth; - return 1; -} - -inline bool wxPNGReaderIter::PrevRow() -{ - if (--Ity < 0) return 0; - IterImage -= ima->EfeWidth; - return 1; -} - -////////////////////////// AD - for interlace /////////////////////////////// -inline void wxPNGReaderIter::SetY(int y) -{ - if ((y < 0) || (y > ima->Height)) return; - Ity = y; - IterImage = ima->RawImage + ima->EfeWidth*y; -} - -///////////////////////////////////////////////////////////////////////////// - -inline void wxPNGReaderIter::SetRow(byte *buf, int n) -{ -// Here should be bcopy or memcpy - //_fmemcpy(IterImage, (void far *)buf, n); - if (n<0) - n = ima->GetWidth(); - - for (int i=0; iEfeWidth) - return 1; - else - if (++Ity < ima->Height) - { - IterImage += ima->EfeWidth; - Itx = 0; - return 1; - } else - return 0; -} - -inline bool wxPNGReaderIter::PrevByte() -{ - if (--Itx >= 0) - return 1; - else - if (--Ity >= 0) - { - IterImage -= ima->EfeWidth; - Itx = 0; - return 1; - } else - return 0; -} - -inline bool wxPNGReaderIter::NextStep() -{ - Itx += Stepx; - if (Itx < ima->EfeWidth) - return 1; - else { - Ity += Stepy; - if (Ity < ima->Height) - { - IterImage += ima->EfeWidth; - Itx = 0; - return 1; - } else - return 0; - } -} - -inline bool wxPNGReaderIter::PrevStep() -{ - Itx -= Stepx; - if (Itx >= 0) - return 1; - else { - Ity -= Stepy; - if (Ity >= 0 && Ity < ima->Height) - { - IterImage -= ima->EfeWidth; - Itx = 0; - return 1; - } else - return 0; - } -} - -#endif - +#if __WXMAC_CLASSIC__ +#include "wx/mac/classic/pngread.h" +#else +#include "wx/mac/carbon/pngread.h" +#endif \ No newline at end of file