X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/eb71219dd04260a4e8b9f850c4e3ef1c1f3c82c7..c3eeb758b7790948751f547fd5ef803a75b803a4:/src/mac/carbon/pnghand.cpp?ds=sidebyside diff --git a/src/mac/carbon/pnghand.cpp b/src/mac/carbon/pnghand.cpp index 193676f195..f25141d7e9 100644 --- a/src/mac/carbon/pnghand.cpp +++ b/src/mac/carbon/pnghand.cpp @@ -5,8 +5,8 @@ // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ @@ -39,6 +39,7 @@ #include "wx/bitmap.h" #include "wx/mac/pnghand.h" #include "wx/mac/pngread.h" +#include "wx/mac/private.h" extern "C" { #include "png.h" @@ -56,8 +57,8 @@ extern void wxMacDestroyGWorld( GWorldPtr gw ) ; void ima_png_error(png_struct *png_ptr, char *message) { - wxMessageBox(message, "PNG error"); - longjmp(png_ptr->jmpbuf, 1); + wxMessageBox(wxString::FromAscii(message), wxT("PNG error")); + longjmp(png_ptr->jmpbuf, 1); } @@ -66,203 +67,211 @@ wxPalette *wxCopyPalette(const wxPalette *cmap); wxPNGReader::wxPNGReader(void) { - filetype = 0; - RawImage = NULL; // Image data - - Width = 0; Height = 0; // Dimensions - Depth = 0; // (bits x pixel) - ColorType = 0; // Bit 1 = Palette used - // Bit 2 = Color used - // Bit 3 = Alpha used - - EfeWidth = 0; // Efective Width - - lpbi = NULL; - bgindex = -1; - m_palette = 0; - imageOK = FALSE; + filetype = 0; + RawImage = NULL; // Image data + + Width = 0; Height = 0; // Dimensions + Depth = 0; // (bits x pixel) + ColorType = 0; // Bit 1 = Palette used + // Bit 2 = Color used + // Bit 3 = Alpha used + + EfeWidth = 0; // Efective Width + + lpbi = NULL; + bgindex = -1; + m_palette = 0; + imageOK = FALSE; } wxPNGReader::wxPNGReader ( char* ImageFileName ) { - imageOK = FALSE; - filetype = 0; - RawImage = NULL; // Image data - - Width = 0; Height = 0; // Dimensions - Depth = 0; // (bits x pixel) - ColorType = 0; // Bit 1 = m_palette used - // Bit 2 = Color used - // Bit 3 = Alpha used - - EfeWidth = 0; // Efective Width - - lpbi = NULL; - bgindex = -1; - m_palette = 0; - - imageOK = ReadFile (ImageFileName); + imageOK = FALSE; + filetype = 0; + RawImage = NULL; // Image data + + Width = 0; Height = 0; // Dimensions + Depth = 0; // (bits x pixel) + ColorType = 0; // Bit 1 = m_palette used + // Bit 2 = Color used + // Bit 3 = Alpha used + + EfeWidth = 0; // Efective Width + + lpbi = NULL; + bgindex = -1; + m_palette = 0; + + imageOK = ReadFile (ImageFileName); } void wxPNGReader::Create(int width, int height, int depth, int colortype) { - Width = width; Height = height; Depth = depth; - ColorType = (colortype>=0) ? colortype: ((Depth>8) ? COLORTYPE_COLOR: 0); - delete m_palette; - delete[] RawImage ; - RawImage = 0; - m_palette = 0; - - if (lpbi) - { - wxMacDestroyGWorld( lpbi ) ; - } - lpbi = wxMacCreateGWorld( Width , Height , Depth); - if (lpbi) - { - EfeWidth = (long)(((long)Width*Depth + 31) / 32) * 4; - int bitwidth = width ; - if ( EfeWidth > bitwidth ) - bitwidth = EfeWidth ; - - RawImage = (byte*) new char[ ( bitwidth * Height * ((Depth+7)>>3) ) ]; - imageOK = TRUE; - } + Width = width; Height = height; Depth = depth; + ColorType = (colortype>=0) ? colortype: ((Depth>8) ? COLORTYPE_COLOR: 0); + delete m_palette; + m_palette = NULL; + delete[] RawImage; + RawImage = NULL; + + if (lpbi) { + wxMacDestroyGWorld( (GWorldPtr) lpbi ) ; + } + lpbi = wxMacCreateGWorld( Width , Height , Depth); + if (lpbi) + { + EfeWidth = (long)(((long)Width*Depth + 31) / 32) * 4; + int bitwidth = width ; + if ( EfeWidth > bitwidth ) + bitwidth = EfeWidth ; + + RawImage = (byte*) new char[ ( bitwidth * Height * ((Depth+7)>>3) ) ]; + imageOK = TRUE; + } } wxPNGReader::~wxPNGReader ( ) { - delete[] RawImage ; - if (lpbi) { - wxMacDestroyGWorld( lpbi ) ; - } - delete m_palette; + if (RawImage != NULL) { + delete[] RawImage ; + RawImage = NULL; + } + if (lpbi) { + wxMacDestroyGWorld( (GWorldPtr) lpbi ) ; + lpbi = NULL; + } + if (m_palette != NULL) { + delete m_palette; + m_palette = NULL; + } } int wxPNGReader::GetIndex(int x, int y) { - if (!Inside(x, y) || (Depth>8)) return -1; - - ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); - int index = (int)(*ImagePointer); - return index; + if (!Inside(x, y) || (Depth>8)) return -1; + + ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); + int index = (int)(*ImagePointer); + return index; } bool wxPNGReader::GetRGB(int x, int y, byte* r, byte* g, byte* b) { - if (!Inside(x, y)) return FALSE; - - if (m_palette) { - return m_palette->GetRGB(GetIndex(x, y), r, g, b); -/* PALETTEENTRY entry; - ::GetPaletteEntries((HPALETTE) m_palette->GetHPALETTE(), GetIndex(x, y), 1, &entry); - *r = entry.peRed; - *g = entry.peGreen; - *b = entry.peBlue; */ - } else { - ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); - *b = ImagePointer[0]; - *g = ImagePointer[1]; - *r = ImagePointer[2]; - } - return TRUE; + if (!Inside(x, y)) return FALSE; + + if (m_palette) { + return m_palette->GetRGB(GetIndex(x, y), r, g, b); + /* PALETTEENTRY entry; + ::GetPaletteEntries((HPALETTE) m_palette->GetHPALETTE(), GetIndex(x, y), 1, &entry); + *r = entry.peRed; + *g = entry.peGreen; + *b = entry.peBlue; */ + } else { + ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); + *b = ImagePointer[0]; + *g = ImagePointer[1]; + *r = ImagePointer[2]; + } + return TRUE; } bool wxPNGReader::SetIndex(int x, int y, int index) { - if (!Inside(x, y) || (Depth>8)) return FALSE; - - ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); - *ImagePointer = index; - - return TRUE; + if (!Inside(x, y) || (Depth>8)) return FALSE; + + ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); + *ImagePointer = index; + + return TRUE; } bool wxPNGReader::SetRGB(int x, int y, byte r, byte g, byte b) { - if (!Inside(x, y)) return FALSE; - - if (ColorType & COLORTYPE_PALETTE) - { - if (!m_palette) return FALSE; - SetIndex(x, y, m_palette->GetPixel(r, g, b)); - - } else { - ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); - ImagePointer[0] = b; - ImagePointer[1] = g; - ImagePointer[2] = r; - } - - return TRUE; + if (!Inside(x, y)) return FALSE; + + if (ColorType & COLORTYPE_PALETTE) + { + if (!m_palette) return FALSE; + SetIndex(x, y, m_palette->GetPixel(r, g, b)); + + } else { + ImagePointerType ImagePointer = RawImage + EfeWidth*y + (x*Depth >> 3); + ImagePointer[0] = b; + ImagePointer[1] = g; + ImagePointer[2] = r; + } + + return TRUE; } bool wxPNGReader::SetPalette(wxPalette* colourmap) { - delete m_palette ; - if (!colourmap) - return FALSE; - ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); - m_palette = new wxPalette( *colourmap ); - return true ; -// return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); + delete m_palette ; + if (!colourmap) + return FALSE; + ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); + m_palette = new wxPalette( *colourmap ); + return true ; + // return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); } bool wxPNGReader::SetPalette(int n, byte *r, byte *g, byte *b) { - delete m_palette ; - m_palette = new wxPalette(); - if (!m_palette) - return FALSE; - - if (!g) g = r; - if (!b) b = g; - m_palette->Create(n, r, g, b); - ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); - return true ; -// return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); + delete m_palette ; + m_palette = new wxPalette(); + if (!m_palette) + return FALSE; + + if (!g) g = r; + if (!b) b = g; + m_palette->Create(n, r, g, b); + ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); + return true ; + // return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); } bool wxPNGReader::SetPalette(int n, rgb_color_struct *rgb_struct) { - delete m_palette ; - m_palette = new wxPalette(); - if (!m_palette) - return FALSE; - - byte r[256], g[256], b[256]; - - for(int i=0; iCreate(n, r, g, b); - ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); - return true ; -// return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); + delete m_palette ; + m_palette = new wxPalette(); + if (!m_palette) + return FALSE; + + byte r[256], g[256], b[256]; + + for(int i=0; iCreate(n, r, g, b); + ColorType |= (COLORTYPE_PALETTE | COLORTYPE_COLOR); + return true ; + // return (DibSetUsage(lpbi, (HPALETTE) m_palette->GetHPALETTE(), WXIMA_COLORS ) != 0); } void wxPNGReader::NullData() { - if (lpbi) { - wxMacDestroyGWorld( lpbi ) ; - } - delete m_palette; - lpbi = NULL; - m_palette = NULL; + if (lpbi) { + wxMacDestroyGWorld( (GWorldPtr) lpbi ) ; + lpbi = NULL; + } + if (m_palette != NULL) { + delete m_palette; + m_palette = NULL; + } } wxBitmap* wxPNGReader::GetBitmap(void) @@ -281,353 +290,353 @@ bool wxPNGReader::InstantiateBitmap(wxBitmap *bitmap) { if ( lpbi ) { - bitmap->SetHBITMAP((WXHBITMAP) lpbi); - bitmap->SetWidth(GetWidth()); - bitmap->SetHeight(GetHeight()); - bitmap->SetDepth(GetDepth()); - if ( GetDepth() > 1 && m_palette ) - bitmap->SetPalette(*m_palette); - bitmap->SetOk(TRUE); - - - // Make a mask if appropriate - /* - if ( bgindex > -1 ) - { + bitmap->SetHBITMAP((WXHBITMAP) lpbi); + bitmap->SetWidth(GetWidth()); + bitmap->SetHeight(GetHeight()); + bitmap->SetDepth(GetDepth()); + if ( GetDepth() > 1 && m_palette ) + bitmap->SetPalette(*m_palette); + bitmap->SetOk(TRUE); + + + // Make a mask if appropriate + /* + if ( bgindex > -1 ) + { wxMask *mask = CreateMask(); bitmap->SetMask(mask); - } - */ - lpbi = NULL ; // bitmap has taken over ownership - return TRUE; + } + */ + lpbi = NULL ; // bitmap has taken over ownership + return TRUE; } else { - return FALSE; + return FALSE; } -/* - HDC dc = ::CreateCompatibleDC(NULL); - - if (dc) - { - // tmpBitmap is a dummy, to satisfy ::CreateCompatibleDC (it - // is a memory dc that must have a bitmap selected into it) - HDC dc2 = GetDC(NULL); - HBITMAP tmpBitmap = ::CreateCompatibleBitmap(dc2, GetWidth(), GetHeight()); - ReleaseDC(NULL, dc2); - HBITMAP oldBitmap = (HBITMAP) ::SelectObject(dc, tmpBitmap); - + /* + HDC dc = ::CreateCompatibleDC(NULL); + + if (dc) + { + // tmpBitmap is a dummy, to satisfy ::CreateCompatibleDC (it + // is a memory dc that must have a bitmap selected into it) + HDC dc2 = GetDC(NULL); + HBITMAP tmpBitmap = ::CreateCompatibleBitmap(dc2, GetWidth(), GetHeight()); + ReleaseDC(NULL, dc2); + HBITMAP oldBitmap = (HBITMAP) ::SelectObject(dc, tmpBitmap); + if ( m_palette ) { - HPALETTE oldPal = ::SelectPalette(dc, (HPALETTE) m_palette->GetHPALETTE(), FALSE); + HPALETTE oldPal = ::SelectPalette(dc, (HPALETTE) m_palette->GetHPALETTE(), FALSE); ::RealizePalette(dc); } - - HBITMAP hBitmap = ::CreateDIBitmap(dc, lpbi, - CBM_INIT, RawImage, (LPBITMAPINFO) lpbi, DIB_PAL_COLORS); - - ::SelectPalette(dc, NULL, TRUE); - ::SelectObject(dc, oldBitmap); - ::DeleteObject(tmpBitmap); - ::DeleteDC(dc); - - if ( hBitmap ) - { - bitmap->SetHBITMAP((WXHBITMAP) hBitmap); - bitmap->SetWidth(GetWidth()); - bitmap->SetHeight(GetHeight()); - bitmap->SetDepth(GetDepth()); - if ( GetDepth() > 1 && m_palette ) - bitmap->SetPalette(*m_palette); - bitmap->SetOk(TRUE); - - - // Make a mask if appropriate - if ( bgindex > -1 ) - { - wxMask *mask = CreateMask(); - bitmap->SetMask(mask); - } - return TRUE; - } - else - { - return FALSE; - } - } - else - { - return FALSE; - } - */ - return false ; + + HBITMAP hBitmap = ::CreateDIBitmap(dc, lpbi, + CBM_INIT, RawImage, (LPBITMAPINFO) lpbi, DIB_PAL_COLORS); + + ::SelectPalette(dc, NULL, TRUE); + ::SelectObject(dc, oldBitmap); + ::DeleteObject(tmpBitmap); + ::DeleteDC(dc); + + if ( hBitmap ) + { + bitmap->SetHBITMAP((WXHBITMAP) hBitmap); + bitmap->SetWidth(GetWidth()); + bitmap->SetHeight(GetHeight()); + bitmap->SetDepth(GetDepth()); + if ( GetDepth() > 1 && m_palette ) + bitmap->SetPalette(*m_palette); + bitmap->SetOk(TRUE); + + + // Make a mask if appropriate + if ( bgindex > -1 ) + { + wxMask *mask = CreateMask(); + bitmap->SetMask(mask); + } + return TRUE; + } + else + { + return FALSE; + } + } + else + { + return FALSE; + } + */ + return false ; } wxPalette *wxCopyPalette(const wxPalette *cmap) { - wxPalette *newCmap = new wxPalette( *cmap ) ; - return newCmap; + wxPalette *newCmap = new wxPalette( *cmap ) ; + return newCmap; } wxMask *wxPNGReader::CreateMask(void) { /* - HBITMAP hBitmap = ::CreateBitmap(GetWidth(), GetHeight(), 1, 1, NULL); +HBITMAP hBitmap = ::CreateBitmap(GetWidth(), GetHeight(), 1, 1, NULL); HDC dc = ::CreateCompatibleDC(NULL); - HBITMAP oldBitmap = (HBITMAP) ::SelectObject(dc, hBitmap); - + HBITMAP oldBitmap = (HBITMAP) ::SelectObject(dc, hBitmap); + int bgIndex = GetBGIndex(); - - int x,y; - - for (x=0; xSetMaskBitmap((WXHBITMAP) hBitmap); - return mask; - */ - return NULL ; + int index = GetIndex(x, y); + if ( index == bgIndex ) + ::SetPixel(dc, x, GetHeight() - y - 1, RGB(0, 0, 0)); + else + ::SetPixel(dc, x, GetHeight() - y - 1, RGB(255, 255, 255)); + + } + } + ::SelectObject(dc, oldBitmap); + wxMask *mask = new wxMask; + mask->SetMaskBitmap((WXHBITMAP) hBitmap); + return mask; + */ + return NULL ; } bool wxPNGReader::ReadFile(char * ImageFileName) { - int number_passes; - - if (ImageFileName) - strcpy(filename, ImageFileName); - - FILE *fp; - png_struct *png_ptr; - png_info *info_ptr; - wxPNGReaderIter iter(this); - - /* open the file */ - fp = fopen( ImageFileName , "rb" ); - - if (!fp) - return FALSE; - - /* allocate the necessary structures */ - png_ptr = new (png_struct); - if (!png_ptr) - { - fclose(fp); - return FALSE; - } - - info_ptr = new (png_info); - if (!info_ptr) - { - fclose(fp); - delete(png_ptr); - return FALSE; - } - /* set error handling */ - if (setjmp(png_ptr->jmpbuf)) - { - png_read_destroy(png_ptr, info_ptr, (png_info *)0); - fclose(fp); - delete(png_ptr); - delete(info_ptr); - - /* If we get here, we had a problem reading the file */ - return FALSE; - } - //png_set_error(ima_png_error, NULL); - - /* initialize the structures, info first for error handling */ - png_info_init(info_ptr); - png_read_init(png_ptr); - - /* set up the input control */ - png_init_io(png_ptr, fp); - - /* read the file information */ - png_read_info(png_ptr, info_ptr); - - /* allocate the memory to hold the image using the fields + int number_passes; + + if (ImageFileName) + strcpy(filename, ImageFileName); + + FILE *fp; + png_struct *png_ptr; + png_info *info_ptr; + wxPNGReaderIter iter(this); + + /* open the file */ + fp = fopen( ImageFileName , "rb" ); + + if (!fp) + return FALSE; + + /* allocate the necessary structures */ + png_ptr = new (png_struct); + if (!png_ptr) + { + fclose(fp); + return FALSE; + } + + info_ptr = new (png_info); + if (!info_ptr) + { + fclose(fp); + delete png_ptr; + return FALSE; + } + /* set error handling */ + if (setjmp(png_ptr->jmpbuf)) + { + png_read_destroy(png_ptr, info_ptr, (png_info *)0); + fclose(fp); + delete png_ptr; + delete info_ptr; + + /* If we get here, we had a problem reading the file */ + return FALSE; + } + //png_set_error(ima_png_error, NULL); + + /* initialize the structures, info first for error handling */ + png_info_init(info_ptr); + png_read_init(png_ptr); + + /* set up the input control */ + png_init_io(png_ptr, fp); + + /* read the file information */ + png_read_info(png_ptr, info_ptr); + + /* allocate the memory to hold the image using the fields of png_info. */ - png_color_16 my_background={ 0, 31, 127, 255, 0 }; - - if (info_ptr->valid & PNG_INFO_bKGD) + png_color_16 my_background={ 0, 31, 127, 255, 0 }; + + if (info_ptr->valid & PNG_INFO_bKGD) { - png_set_background(png_ptr, &(info_ptr->background), - PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); + png_set_background(png_ptr, &(info_ptr->background), + PNG_BACKGROUND_GAMMA_FILE, 1, 1.0); if ( info_ptr->num_palette > 0 ) bgindex = info_ptr->background.index; } - else { - png_set_background(png_ptr, &my_background, - PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); - + else { + png_set_background(png_ptr, &my_background, + PNG_BACKGROUND_GAMMA_SCREEN, 0, 1.0); + // Added by JACS: guesswork! if ( info_ptr->num_trans != 0 ) bgindex = info_ptr->num_trans - 1 ; - } - - /* tell libpng to strip 16 bit depth files down to 8 bits */ - if (info_ptr->bit_depth == 16) - png_set_strip_16(png_ptr); - - int pixel_depth=(info_ptr->pixel_depth<24) ? info_ptr->pixel_depth: 24; - Create(info_ptr->width, info_ptr->height, pixel_depth, - info_ptr->color_type); - - if (info_ptr->num_palette>0) + } + + /* tell libpng to strip 16 bit depth files down to 8 bits */ + if (info_ptr->bit_depth == 16) + png_set_strip_16(png_ptr); + + int pixel_depth=(info_ptr->pixel_depth<24) ? info_ptr->pixel_depth: 24; + Create(info_ptr->width, info_ptr->height, pixel_depth, + info_ptr->color_type); + + if (info_ptr->num_palette>0) { - SetPalette((int)info_ptr->num_palette, (rgb_color_struct*)info_ptr->palette); + SetPalette((int)info_ptr->num_palette, (rgb_color_struct*)info_ptr->palette); } - - int row_stride = info_ptr->width * ((pixel_depth+7)>>3); - // printf("P = %d D = %d RS= %d ", info_ptr->num_palette, info_ptr->pixel_depth,row_stride); -// printf("CT = %d TRS = %d BD= %d ", info_ptr->color_type, info_ptr->valid & PNG_INFO_tRNS,info_ptr->bit_depth); - - byte *row_pointers = new byte[row_stride]; - - /* turn on interlace handling */ - if (info_ptr->interlace_type) - number_passes = png_set_interlace_handling(png_ptr); - else - number_passes = 1; -// printf("NP = %d ", number_passes); - - for (int pass=0; pass< number_passes; pass++) - { - iter.upset(); - int y=0; - CGrafPtr origPort ; - GDHandle origDevice ; - - GetGWorld( &origPort , &origDevice ) ; - // ignore shapedc - SetGWorld( lpbi , NULL ) ; - do - { - // (unsigned char *)iter.GetRow(); - if (info_ptr->interlace_type) - { - if (pass>0) - iter.GetRow(row_pointers, row_stride); - png_read_row(png_ptr, row_pointers, NULL); - } - else - png_read_row(png_ptr, row_pointers, NULL); - - if ( info_ptr->palette ) - { - if ( pixel_depth == 8 ) - { - for ( int i = 0 ; i < info_ptr->width ; ++i ) - { - png_color_struct* color ; - RGBColor col ; - - int index = row_pointers[i] ; - color = &info_ptr->palette[index] ; - col.red = (((int)color->red) << 8) | ((int)color->red) ; - col.green = (((int)color->green) << 8) | ((int)color->green) ; - col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; - SetCPixel( i, y, &col); - } - /* - png_color_struct* color ; - RGBColor col ; - unsigned char* p = &row_pointers[0] ; - PenNormal() ; - MoveTo( 0 , y ) ; - int index = *p ; - color = &info_ptr->palette[index] ; - col.red = (color->red << 8) | color->red ; - col.green = (color->green << 8) | color->green ; - col.blue = (color->blue << 8) | color->blue ; - RGBForeColor( &col ) ; - col.red = col.green = col.blue = 0xFFFF ; - RGBBackColor( &col ) ; - for ( int i = 0 ; i < info_ptr->width ; ++i , ++p) - { - if ( *p != index ) - { - LineTo( i , y ) ; - index = *p ; - color = &info_ptr->palette[index] ; - col.red = (((int)color->red) << 8) | ((int)color->red) ; - col.green = (((int)color->green) << 8) | ((int)color->green) ; - col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; - RGBForeColor( &col ) ; - } - } - LineTo( info_ptr->width , y ) ; - */ - } - else - { - for ( int i = 0 ; i < info_ptr->width ; ++i ) - { - png_color_struct* color ; - RGBColor col ; - - int byte = ( i * pixel_depth ) / 8 ; - int offset = ( 8 - pixel_depth ) - ( i * pixel_depth ) % 8 ; - - int index = ( row_pointers[byte] >> offset ) & ( 0xFF >> ( 8 - pixel_depth ) ); - color = &info_ptr->palette[index] ; - col.red = (((int)color->red) << 8) | ((int)color->red) ; - col.green = (((int)color->green) << 8) | ((int)color->green) ; - col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; - SetCPixel( i, y, &col); - } - } - } - else - { - for ( int i = 0 ; i < info_ptr->width ; ++i ) - { - png_color_struct* color ; - RGBColor col ; - color =(png_color_struct*) (&row_pointers[i*3]) ; - col.red = (((int)color->red) << 8) | ((int)color->red) ; - col.green = (((int)color->green) << 8) | ((int)color->green) ; - col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; - SetCPixel( i, y, &col); - } - } - if (number_passes) - iter.SetRow(row_pointers, row_stride); - y++; - } - while(iter.PrevRow()); - SetGWorld( origPort , origDevice ) ; - -// printf("Y=%d ",y); + + int row_stride = info_ptr->width * ((pixel_depth+7)>>3); + // printf("P = %d D = %d RS= %d ", info_ptr->num_palette, info_ptr->pixel_depth,row_stride); + // printf("CT = %d TRS = %d BD= %d ", info_ptr->color_type, info_ptr->valid & PNG_INFO_tRNS,info_ptr->bit_depth); + + byte *row_pointers = new byte[row_stride]; + + /* turn on interlace handling */ + if (info_ptr->interlace_type) + number_passes = png_set_interlace_handling(png_ptr); + else + number_passes = 1; + // printf("NP = %d ", number_passes); + + for (int pass=0; pass< number_passes; pass++) + { + iter.upset(); + int y=0; + CGrafPtr origPort ; + GDHandle origDevice ; + + GetGWorld( &origPort , &origDevice ) ; + // ignore shapedc + SetGWorld( (GWorldPtr) lpbi , NULL ) ; + do + { + // (unsigned char *)iter.GetRow(); + if (info_ptr->interlace_type) + { + if (pass>0) + iter.GetRow(row_pointers, row_stride); + png_read_row(png_ptr, row_pointers, NULL); + } + else + png_read_row(png_ptr, row_pointers, NULL); + + if ( info_ptr->palette ) + { + if ( pixel_depth == 8 ) + { + for ( size_t i = 0 ; i < info_ptr->width ; ++i ) + { + png_color_struct* color ; + RGBColor col ; + + int index = row_pointers[i] ; + color = &info_ptr->palette[index] ; + col.red = (((int)color->red) << 8) | ((int)color->red) ; + col.green = (((int)color->green) << 8) | ((int)color->green) ; + col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; + SetCPixel( i, y, &col); + } + /* + png_color_struct* color ; + RGBColor col ; + unsigned char* p = &row_pointers[0] ; + PenNormal() ; + MoveTo( 0 , y ) ; + int index = *p ; + color = &info_ptr->palette[index] ; + col.red = (color->red << 8) | color->red ; + col.green = (color->green << 8) | color->green ; + col.blue = (color->blue << 8) | color->blue ; + RGBForeColor( &col ) ; + col.red = col.green = col.blue = 0xFFFF ; + RGBBackColor( &col ) ; + for ( int i = 0 ; i < info_ptr->width ; ++i , ++p) + { + if ( *p != index ) + { + LineTo( i , y ) ; + index = *p ; + color = &info_ptr->palette[index] ; + col.red = (((int)color->red) << 8) | ((int)color->red) ; + col.green = (((int)color->green) << 8) | ((int)color->green) ; + col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; + RGBForeColor( &col ) ; + } + } + LineTo( info_ptr->width , y ) ; + */ + } + else + { + for ( size_t i = 0 ; i < info_ptr->width ; ++i ) + { + png_color_struct* color ; + RGBColor col ; + + int byte = ( i * pixel_depth ) / 8 ; + int offset = ( 8 - pixel_depth ) - ( i * pixel_depth ) % 8 ; + + int index = ( row_pointers[byte] >> offset ) & ( 0xFF >> ( 8 - pixel_depth ) ); + color = &info_ptr->palette[index] ; + col.red = (((int)color->red) << 8) | ((int)color->red) ; + col.green = (((int)color->green) << 8) | ((int)color->green) ; + col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; + SetCPixel( i, y, &col); + } + } + } + else + { + for ( size_t i = 0 ; i < info_ptr->width ; ++i ) + { + png_color_struct* color ; + RGBColor col ; + color =(png_color_struct*) (&row_pointers[i*3]) ; + col.red = (((int)color->red) << 8) | ((int)color->red) ; + col.green = (((int)color->green) << 8) | ((int)color->green) ; + col.blue = (((int)color->blue) << 8) | ((int)color->blue) ; + SetCPixel( i, y, &col); + } + } + if (number_passes) + iter.SetRow(row_pointers, row_stride); + y++; + } + while(iter.PrevRow()); + SetGWorld( origPort , origDevice ) ; + + // printf("Y=%d ",y); } delete[] row_pointers; - + /* read the rest of the file, getting any additional chunks - in info_ptr */ + in info_ptr */ png_read_end(png_ptr, info_ptr); - + /* clean up after the read, and free any memory allocated */ png_read_destroy(png_ptr, info_ptr, (png_info *)0); - + /* free the structures */ - delete(png_ptr); - delete(info_ptr); - + delete png_ptr; + delete info_ptr; + /* close the file */ fclose(fp); - + /* that's it */ return TRUE; } @@ -637,146 +646,146 @@ bool wxPNGReader::ReadFile(char * ImageFileName) bool wxPNGReader::SaveFile(char * ImageFileName) { - if (ImageFileName) - strcpy(filename, ImageFileName); - - wxPNGReaderIter iter(this); - FILE *fp; - png_struct *png_ptr; - png_info *info_ptr; - - /* open the file */ - fp = fopen(filename, "wb"); - if (!fp) - return FALSE; - - /* allocate the necessary structures */ - png_ptr = new (png_struct); - if (!png_ptr) - { - fclose(fp); - return FALSE; - } - - info_ptr = new (png_info); - if (!info_ptr) - { - fclose(fp); - delete(png_ptr); - return FALSE; - } - - /* set error handling */ - if (setjmp(png_ptr->jmpbuf)) - { + if (ImageFileName) + strcpy(filename, ImageFileName); + + wxPNGReaderIter iter(this); + FILE *fp; + png_struct *png_ptr; + png_info *info_ptr; + + /* open the file */ + fp = fopen(filename, "wb"); + if (!fp) + return FALSE; + + /* allocate the necessary structures */ + png_ptr = new (png_struct); + if (!png_ptr) + { + fclose(fp); + return FALSE; + } + + info_ptr = new (png_info); + if (!info_ptr) + { + fclose(fp); + delete png_ptr; + return FALSE; + } + + /* set error handling */ + if (setjmp(png_ptr->jmpbuf)) + { + png_write_destroy(png_ptr); + fclose(fp); + delete png_ptr; + delete info_ptr; + + /* If we get here, we had a problem reading the file */ + return FALSE; + } + //png_set_error(ima_png_error, NULL); + + // printf("writig pg %s ", filename); + /* initialize the structures */ + png_info_init(info_ptr); + png_write_init(png_ptr); + + int row_stride = GetWidth() * ((GetDepth()+7)>>3); + /* set up the output control */ + png_init_io(png_ptr, fp); + + /* set the file information here */ + info_ptr->width = GetWidth(); + info_ptr->height = GetHeight(); + info_ptr->pixel_depth = GetDepth(); + info_ptr->channels = (GetDepth()>8) ? 3: 1; + info_ptr->bit_depth = GetDepth()/info_ptr->channels; + info_ptr->color_type = GetColorType(); + info_ptr->compression_type = info_ptr->filter_type = info_ptr->interlace_type=0; + info_ptr->valid = 0; + info_ptr->rowbytes = row_stride; + + + // printf("P = %d D = %d RS= %d GD= %d CH= %d ", info_ptr->pixel_depth, info_ptr->bit_depth, row_stride, GetDepth(), info_ptr->channels); + /* set the palette if there is one */ + if ((GetColorType() & COLORTYPE_PALETTE) && GetPalette()) + { + // printf("writing paleta[%d %d %x]",GetColorType() ,COLORTYPE_PALETTE, GetPalette()); + info_ptr->valid |= PNG_INFO_PLTE; + info_ptr->palette = new png_color[256]; + info_ptr->num_palette = 256; + for (int i=0; i<256; i++) + GetPalette()->GetRGB(i, &info_ptr->palette[i].red, &info_ptr->palette[i].green, &info_ptr->palette[i].blue); + } + // printf("Paleta [%d %d %x]",GetColorType() ,COLORTYPE_PALETTE, GetPalette()); + + + /* optional significant bit chunk */ + // info_ptr->valid |= PNG_INFO_sBIT; + // info_ptr->sig_bit = true_bit_depth; + + /* optional gamma chunk */ + // info_ptr->valid |= PNG_INFO_gAMA; + // info_ptr->gamma = gamma; + + /* other optional chunks */ + + /* write the file information */ + png_write_info(png_ptr, info_ptr); + + /* set up the transformations you want. Note that these are + all optional. Only call them if you want them */ + + /* shift the pixels up to a legal bit depth and fill in + as appropriate to correctly scale the image */ + // png_set_shift(png_ptr, &(info_ptr->sig_bit)); + + /* pack pixels into bytes */ + // png_set_packing(png_ptr); + + /* flip bgr pixels to rgb */ + // png_set_bgr(png_ptr); + + /* swap bytes of 16 bit files to most significant bit first */ + // png_set_swap(png_ptr); + + /* get rid of filler bytes, pack rgb into 3 bytes */ + // png_set_rgbx(png_ptr); + + /* If you are only writing one row at a time, this works */ + + byte *row_pointers = new byte[row_stride]; + iter.upset(); + do { + // (unsigned char *)iter.GetRow(); + iter.GetRow(row_pointers, row_stride); + png_write_row(png_ptr, row_pointers); + } while(iter.PrevRow()); + + delete[] row_pointers; + + /* write the rest of the file */ + png_write_end(png_ptr, info_ptr); + + /* clean up after the write, and free any memory allocated */ png_write_destroy(png_ptr); + + /* if you malloced the palette, free it here */ + if (info_ptr->palette) + delete[] (info_ptr->palette); + + /* free the structures */ + delete png_ptr; + delete info_ptr; + + /* close the file */ fclose(fp); - delete(png_ptr); - delete(info_ptr); - - /* If we get here, we had a problem reading the file */ - return FALSE; - } - //png_set_error(ima_png_error, NULL); - -// printf("writig pg %s ", filename); - /* initialize the structures */ - png_info_init(info_ptr); - png_write_init(png_ptr); - - int row_stride = GetWidth() * ((GetDepth()+7)>>3); - /* set up the output control */ - png_init_io(png_ptr, fp); - - /* set the file information here */ - info_ptr->width = GetWidth(); - info_ptr->height = GetHeight(); - info_ptr->pixel_depth = GetDepth(); - info_ptr->channels = (GetDepth()>8) ? 3: 1; - info_ptr->bit_depth = GetDepth()/info_ptr->channels; - info_ptr->color_type = GetColorType(); - info_ptr->compression_type = info_ptr->filter_type = info_ptr->interlace_type=0; - info_ptr->valid = 0; - info_ptr->rowbytes = row_stride; - - -// printf("P = %d D = %d RS= %d GD= %d CH= %d ", info_ptr->pixel_depth, info_ptr->bit_depth, row_stride, GetDepth(), info_ptr->channels); - /* set the palette if there is one */ - if ((GetColorType() & COLORTYPE_PALETTE) && GetPalette()) - { -// printf("writing paleta[%d %d %x]",GetColorType() ,COLORTYPE_PALETTE, GetPalette()); - info_ptr->valid |= PNG_INFO_PLTE; - info_ptr->palette = new png_color[256]; - info_ptr->num_palette = 256; - for (int i=0; i<256; i++) - GetPalette()->GetRGB(i, &info_ptr->palette[i].red, &info_ptr->palette[i].green, &info_ptr->palette[i].blue); - } -// printf("Paleta [%d %d %x]",GetColorType() ,COLORTYPE_PALETTE, GetPalette()); - - - /* optional significant bit chunk */ -// info_ptr->valid |= PNG_INFO_sBIT; -// info_ptr->sig_bit = true_bit_depth; - - /* optional gamma chunk */ -// info_ptr->valid |= PNG_INFO_gAMA; -// info_ptr->gamma = gamma; - - /* other optional chunks */ - - /* write the file information */ - png_write_info(png_ptr, info_ptr); - - /* set up the transformations you want. Note that these are - all optional. Only call them if you want them */ - - /* shift the pixels up to a legal bit depth and fill in - as appropriate to correctly scale the image */ -// png_set_shift(png_ptr, &(info_ptr->sig_bit)); - - /* pack pixels into bytes */ -// png_set_packing(png_ptr); - - /* flip bgr pixels to rgb */ -// png_set_bgr(png_ptr); - - /* swap bytes of 16 bit files to most significant bit first */ -// png_set_swap(png_ptr); - - /* get rid of filler bytes, pack rgb into 3 bytes */ -// png_set_rgbx(png_ptr); - -/* If you are only writing one row at a time, this works */ - - byte *row_pointers = new byte[row_stride]; - iter.upset(); - do { -// (unsigned char *)iter.GetRow(); - iter.GetRow(row_pointers, row_stride); - png_write_row(png_ptr, row_pointers); - } while(iter.PrevRow()); - - delete[] row_pointers; - -/* write the rest of the file */ - png_write_end(png_ptr, info_ptr); - - /* clean up after the write, and free any memory allocated */ - png_write_destroy(png_ptr); - - /* if you malloced the palette, free it here */ - if (info_ptr->palette) - delete[] (info_ptr->palette); - - /* free the structures */ - delete(png_ptr); - delete(info_ptr); - - /* close the file */ - fclose(fp); - - /* that's it */ - return TRUE; + + /* that's it */ + return TRUE; } static int Power(int x, int y) @@ -791,15 +800,15 @@ static int Power(int x, int y) } static char hexArray[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', - 'C', 'D', 'E', 'F' }; +'C', 'D', 'E', 'F' }; static void DecToHex(int dec, char *buf) { - int firstDigit = (int)(dec/16.0); - int secondDigit = (int)(dec - (firstDigit*16.0)); - buf[0] = hexArray[firstDigit]; - buf[1] = hexArray[secondDigit]; - buf[2] = 0; + int firstDigit = (int)(dec/16.0); + int secondDigit = (int)(dec - (firstDigit*16.0)); + buf[0] = hexArray[firstDigit]; + buf[1] = hexArray[secondDigit]; + buf[2] = 0; } @@ -810,33 +819,34 @@ bool wxPNGReader::SaveXPM(char *filename, char *name) strcpy(nameStr, name); else { - strcpy(nameStr, filename); - wxStripExtension(nameStr); + wxString str = wxString::FromAscii(filename) ; + wxStripExtension( str ) ; + strcpy(nameStr, str.ToAscii() ); } - + if ( GetDepth() > 4 ) { // Only a depth of 4 and below allowed return FALSE; } - + if ( !GetPalette() ) return FALSE; - + wxSTD ofstream str(filename); if ( str.bad() ) return FALSE; - + int noColours = Power(2, GetDepth()); - + // Output header str << "/* XPM */\n"; str << "static char * " << nameStr << "_xpm[] = {\n"; str << "\"" << GetWidth() << " " << GetHeight() << " " << noColours << " 1\",\n"; - + // Output colourmap int base = 97 ; // start from 'a' - + unsigned char red, green, blue; char hexBuf[4]; int i; @@ -852,7 +862,7 @@ bool wxPNGReader::SaveXPM(char *filename, char *name) str << hexBuf; str << "\",\n"; } - + // Output the data int x, y; for ( y = 0; y < GetHeight(); y++) @@ -865,10 +875,10 @@ bool wxPNGReader::SaveXPM(char *filename, char *name) } str << "\",\n"; } - + str << "};\n"; str.flush(); - + return TRUE; } @@ -876,10 +886,10 @@ bool wxPNGReader::SaveXPM(char *filename, char *name) IMPLEMENT_DYNAMIC_CLASS(wxPNGFileHandler, wxBitmapHandler) bool wxPNGFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight) + int desiredWidth, int desiredHeight) { wxPNGReader reader; - if (reader.ReadFile((char*) (const char*) name)) + if (reader.ReadFile( (char*)(const char*) name.ToAscii() ) ) { return reader.InstantiateBitmap(bitmap); } @@ -892,4 +902,3 @@ bool wxPNGFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, in return FALSE; } -