X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/dbda9e86f0e5ec1184bc16d135bb7205bc99236e..096c9f9b986e3e614175efdbb880ef4f94283c42:/src/common/image.cpp diff --git a/src/common/image.cpp b/src/common/image.cpp index 0b4956dad2..08cf535a6a 100644 --- a/src/common/image.cpp +++ b/src/common/image.cpp @@ -23,17 +23,13 @@ #include "wx/debug.h" #include "wx/log.h" #include "wx/app.h" -#if wxUSE_LIBPNG -#include "../png/png.h" -#endif -#if wxUSE_LIBJPEG -extern "C" { -#include -} -#endif #include "wx/filefn.h" #include "wx/wfstream.h" #include "wx/intl.h" +#include "wx/module.h" + +// For memcpy +#include #ifdef __SALFORDC__ #ifdef FAR @@ -105,11 +101,21 @@ wxImage::wxImage( const wxString& name, long type ) LoadFile( name, type ); } +wxImage::wxImage( const wxString& name, const wxString& mimetype ) +{ + LoadFile( name, mimetype ); +} + #if wxUSE_STREAMS wxImage::wxImage( wxInputStream& stream, long type ) { LoadFile( stream, type ); } + +wxImage::wxImage( wxInputStream& stream, const wxString& mimetype ) +{ + LoadFile( stream, mimetype ); +} #endif // wxUSE_STREAMS wxImage::wxImage( const wxImage& image ) @@ -150,15 +156,15 @@ wxImage wxImage::Scale( int width, int height ) { wxImage image; - wxCHECK_MSG( Ok(), image, "invlaid image" ); + wxCHECK_MSG( Ok(), image, _T("invalid image") ); - wxCHECK_MSG( (width > 0) && (height > 0), image, "invalid image size" ); + wxCHECK_MSG( (width > 0) && (height > 0), image, _T("invalid image size") ); image.Create( width, height ); char unsigned *data = image.GetData(); - wxCHECK_MSG( data, image, "unable to create image" ); + wxCHECK_MSG( data, image, _T("unable to create image") ); if (M_IMGDATA->m_hasMask) image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue ); @@ -187,12 +193,12 @@ wxImage wxImage::Scale( int width, int height ) void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) { - wxCHECK_RET( Ok(), "invalid image" ); + wxCHECK_RET( Ok(), _T("invalid image") ); int w = M_IMGDATA->m_width; int h = M_IMGDATA->m_height; - wxCHECK_RET( (x>=0) && (y>=0) && (x=0) && (y>=0) && (xm_width; int h = M_IMGDATA->m_height; - wxCHECK_MSG( (x>=0) && (y>=0) && (x=0) && (y>=0) && (xm_width; int h = M_IMGDATA->m_height; - wxCHECK_MSG( (x>=0) && (y>=0) && (x=0) && (y>=0) && (xm_width; int h = M_IMGDATA->m_height; - wxCHECK_MSG( (x>=0) && (y>=0) && (x=0) && (y>=0) && (xm_data; } -void wxImage::SetData( char unsigned *WXUNUSED(data) ) +void wxImage::SetData( char unsigned *data ) { - wxCHECK_RET( Ok(), "invalid image" ); + wxCHECK_RET( Ok(), _T("invalid image") ); + + memcpy(M_IMGDATA->m_data, data, M_IMGDATA->m_width * M_IMGDATA->m_height * 3); } void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) { - wxCHECK_RET( Ok(), "invalid image" ); + wxCHECK_RET( Ok(), _T("invalid image") ); M_IMGDATA->m_maskRed = r; M_IMGDATA->m_maskGreen = g; @@ -272,49 +280,49 @@ void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) unsigned char wxImage::GetMaskRed() const { - wxCHECK_MSG( Ok(), 0, "invalid image" ); + wxCHECK_MSG( Ok(), 0, _T("invalid image") ); return M_IMGDATA->m_maskRed; } unsigned char wxImage::GetMaskGreen() const { - wxCHECK_MSG( Ok(), 0, "invalid image" ); + wxCHECK_MSG( Ok(), 0, _T("invalid image") ); return M_IMGDATA->m_maskGreen; } unsigned char wxImage::GetMaskBlue() const { - wxCHECK_MSG( Ok(), 0, "invalid image" ); + wxCHECK_MSG( Ok(), 0, _T("invalid image") ); return M_IMGDATA->m_maskBlue; } void wxImage::SetMask( bool mask ) { - wxCHECK_RET( Ok(), "invalid image" ); + wxCHECK_RET( Ok(), _T("invalid image") ); M_IMGDATA->m_hasMask = mask; } bool wxImage::HasMask() const { - wxCHECK_MSG( Ok(), FALSE, "invalid image" ); + wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); return M_IMGDATA->m_hasMask; } int wxImage::GetWidth() const { - wxCHECK_MSG( Ok(), 0, "invalid image" ); + wxCHECK_MSG( Ok(), 0, _T("invalid image") ); return M_IMGDATA->m_width; } int wxImage::GetHeight() const { - wxCHECK_MSG( Ok(), 0, "invalid image" ); + wxCHECK_MSG( Ok(), 0, _T("invalid image") ); return M_IMGDATA->m_height; } @@ -327,9 +335,28 @@ bool wxImage::LoadFile( const wxString& filename, long type ) wxFileInputStream stream(filename); return LoadFile(stream, type); } + + else { + wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); + + return FALSE; + } +#else // !wxUSE_STREAMS + return FALSE; +#endif // wxUSE_STREAMS +} + +bool wxImage::LoadFile( const wxString& filename, const wxString& mimetype ) +{ +#if wxUSE_STREAMS + if (wxFileExists(filename)) + { + wxFileInputStream stream(filename); + return LoadFile(stream, mimetype); + } else { - wxLogError( "Can't load image from file '%s': file does not exist.", filename.c_str() ); + wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() ); return FALSE; } @@ -342,7 +369,7 @@ bool wxImage::SaveFile( const wxString& filename, int type ) { #if wxUSE_STREAMS wxFileOutputStream stream(filename); - + if ( stream.LastError() == wxStream_NOERROR ) return SaveFile(stream, type); else @@ -350,6 +377,18 @@ bool wxImage::SaveFile( const wxString& filename, int type ) return FALSE; } +bool wxImage::SaveFile( const wxString& filename, const wxString& mimetype ) +{ +#if wxUSE_STREAMS + wxFileOutputStream stream(filename); + + if ( stream.LastError() == wxStream_NOERROR ) + return SaveFile(stream, mimetype); + else +#endif // wxUSE_STREAMS + return FALSE; +} + #if wxUSE_STREAMS bool wxImage::LoadFile( wxInputStream& stream, long type ) { @@ -361,7 +400,7 @@ bool wxImage::LoadFile( wxInputStream& stream, long type ) if (handler == NULL) { - wxLogWarning( "No image handler for type %d defined.", type ); + wxLogWarning( _T("No image handler for type %d defined."), type ); return FALSE; } @@ -369,15 +408,49 @@ bool wxImage::LoadFile( wxInputStream& stream, long type ) return handler->LoadFile( this, stream ); } +bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) +{ + UnRef(); + + m_refData = new wxImageRefData; + + wxImageHandler *handler = FindHandlerMime(mimetype); + + if (handler == NULL) + { + wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); + + return FALSE; + } + + return handler->LoadFile( this, stream ); +} + bool wxImage::SaveFile( wxOutputStream& stream, int type ) { - wxCHECK_MSG( Ok(), FALSE, "invalid image" ); + wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); wxImageHandler *handler = FindHandler(type); if (handler == NULL) { - wxLogWarning( "No image handler for type %d defined.", type ); + wxLogWarning( _T("No image handler for type %d defined."), type ); + + return FALSE; + } + + return handler->SaveFile( this, stream ); +} + +bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) +{ + wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); + + wxImageHandler *handler = FindHandlerMime(mimetype); + + if (handler == NULL) + { + wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); return FALSE; } @@ -453,12 +526,21 @@ wxImageHandler *wxImage::FindHandler( long bitmapType ) return NULL; } +wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) +{ + wxNode *node = sm_handlers.First(); + while (node) + { + wxImageHandler *handler = (wxImageHandler *)node->Data(); + if (handler->GetMimeType().IsSameAs(mimetype, FALSE)) return handler; + node = node->Next(); + } + return NULL; +} + void wxImage::InitStandardHandlers() { AddHandler( new wxBMPHandler ); -#if wxUSE_LIBPNG - AddHandler( new wxPNGHandler ); -#endif } void wxImage::CleanUpHandlers() @@ -494,490 +576,6 @@ bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSE } #endif // wxUSE_STREAMS -//----------------------------------------------------------------------------- -// wxPNGHandler -//----------------------------------------------------------------------------- - -#if wxUSE_LIBPNG - -#if !USE_SHARED_LIBRARIES -IMPLEMENT_DYNAMIC_CLASS(wxPNGHandler,wxImageHandler) -#endif - - -#if wxUSE_STREAMS -static void _PNG_stream_reader( png_structp png_ptr, png_bytep data, png_size_t length ) -{ - ((wxInputStream*) png_get_io_ptr( png_ptr )) -> Read(data, length); -} - -static void _PNG_stream_writer( png_structp png_ptr, png_bytep data, png_size_t length ) -{ - ((wxOutputStream*) png_get_io_ptr( png_ptr )) -> Write(data, length); -} - -bool wxPNGHandler::LoadFile( wxImage *image, wxInputStream& stream ) -{ - // VZ: as this function uses setjmp() the only fool proof error handling - // method is to use goto (setjmp is not really C++ dtors friendly...) - - unsigned char **lines = (unsigned char **) NULL; - unsigned int i; - png_infop info_ptr = (png_infop) NULL; - - image->Destroy(); - - png_structp png_ptr = png_create_read_struct( PNG_LIBPNG_VER_STRING, - (voidp) NULL, - (png_error_ptr) NULL, - (png_error_ptr) NULL ); - if (!png_ptr) - goto error; - - info_ptr = png_create_info_struct( png_ptr ); - if (!info_ptr) - goto error; - - if (setjmp(png_ptr->jmpbuf)) - goto error; - - if (info_ptr->color_type == PNG_COLOR_TYPE_RGB_ALPHA) - goto error; - - png_set_read_fn( png_ptr, &stream, _PNG_stream_reader); - - png_uint_32 width,height; - int bit_depth,color_type,interlace_type; - - png_read_info( png_ptr, info_ptr ); - png_get_IHDR( png_ptr, info_ptr, &width, &height, &bit_depth, &color_type, &interlace_type, (int*) NULL, (int*) NULL ); - - if (color_type == PNG_COLOR_TYPE_PALETTE) - png_set_expand( png_ptr ); - - png_set_strip_16( png_ptr ); - png_set_packing( png_ptr ); - if (png_get_valid( png_ptr, info_ptr, PNG_INFO_tRNS)) - png_set_expand( png_ptr ); - png_set_filler( png_ptr, 0xff, PNG_FILLER_AFTER ); - - image->Create( width, height ); - - if (!image->Ok()) - goto error; - - lines = (unsigned char **)malloc( height * sizeof(unsigned char *) ); - if (lines == NULL) - goto error; - - for (i = 0; i < height; i++) - { - if ((lines[i] = (unsigned char *)malloc(width * (sizeof(unsigned char) * 4))) == NULL) - { - for ( unsigned int n = 0; n < i; n++ ) - free( lines[n] ); - goto error; - } - } - - // loaded successfully! - { - int transp = 0; - png_read_image( png_ptr, lines ); - png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL ); - unsigned char *ptr = image->GetData(); - if ((color_type == PNG_COLOR_TYPE_GRAY) || - (color_type == PNG_COLOR_TYPE_GRAY_ALPHA)) - { - for (unsigned int y = 0; y < height; y++) - { - unsigned char *ptr2 = lines[y]; - for (unsigned int x = 0; x < width; x++) - { - unsigned char r = *ptr2++; - unsigned char a = *ptr2++; - if (a < 128) - { - *ptr++ = 255; - *ptr++ = 0; - *ptr++ = 255; - transp = 1; - } - else - { - *ptr++ = r; - *ptr++ = r; - *ptr++ = r; - } - } - } - } - else - { - for (unsigned int y = 0; y < height; y++) - { - unsigned char *ptr2 = lines[y]; - for (unsigned int x = 0; x < width; x++) - { - unsigned char r = *ptr2++; - unsigned char g = *ptr2++; - unsigned char b = *ptr2++; - unsigned char a = *ptr2++; - if (a < 128) - { - *ptr++ = 255; - *ptr++ = 0; - *ptr++ = 255; - transp = 1; - } - else - { - if ((r == 255) && (g == 0) && (b == 255)) r = 254; - *ptr++ = r; - *ptr++ = g; - *ptr++ = b; - } - } - } - } - - for ( unsigned int j = 0; j < height; j++ ) - free( lines[j] ); - free( lines ); - - if (transp) - { - image->SetMaskColour( 255, 0, 255 ); - } - else - { - image->SetMask( FALSE ); - } - } - - return TRUE; - -error: - wxLogError(_("Couldn't load a PNG image - probably file is corrupted.")); - - if ( image->Ok() ) - { - image->Destroy(); - } - - if ( lines ) - { - free( lines ); - } - - if ( png_ptr ) - { - if ( info_ptr ) - { - png_destroy_read_struct( &png_ptr, &info_ptr, (png_infopp) NULL ); - free(info_ptr); - } - else - png_destroy_read_struct( &png_ptr, (png_infopp) NULL, (png_infopp) NULL ); - } - return FALSE; -} - - -bool wxPNGHandler::SaveFile( wxImage *image, wxOutputStream& stream ) -{ - { - png_structp png_ptr = png_create_write_struct( PNG_LIBPNG_VER_STRING, NULL, NULL, NULL); - if (!png_ptr) - { - return FALSE; - } - - png_infop info_ptr = png_create_info_struct(png_ptr); - if (info_ptr == NULL) - { - png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); - return FALSE; - } - - if (setjmp(png_ptr->jmpbuf)) - { - png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); - return FALSE; - } - - png_set_write_fn( png_ptr, &stream, _PNG_stream_writer, NULL); - - png_set_IHDR( png_ptr, info_ptr, image->GetWidth(), image->GetHeight(), 8, - PNG_COLOR_TYPE_RGB_ALPHA, PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - png_color_8 sig_bit; - sig_bit.red = 8; - sig_bit.green = 8; - sig_bit.blue = 8; - sig_bit.alpha = 8; - png_set_sBIT( png_ptr, info_ptr, &sig_bit ); - png_write_info( png_ptr, info_ptr ); - png_set_shift( png_ptr, &sig_bit ); - png_set_packing( png_ptr ); - - unsigned char *data = (unsigned char *)malloc( image->GetWidth()*4 ); - if (!data) - { - png_destroy_write_struct( &png_ptr, (png_infopp)NULL ); - return FALSE; - } - - for (int y = 0; y < image->GetHeight(); y++) - { - unsigned char *ptr = image->GetData() + (y * image->GetWidth() * 3); - for (int x = 0; x < image->GetWidth(); x++) - { - data[(x << 2) + 0] = *ptr++; - data[(x << 2) + 1] = *ptr++; - data[(x << 2) + 2] = *ptr++; - if ((data[(x << 2) + 0] == image->GetMaskRed()) && - (data[(x << 2) + 1] == image->GetMaskGreen()) && - (data[(x << 2) + 2] == image->GetMaskBlue())) - { - data[(x << 2) + 3] = 0; - } - else - { - data[(x << 2) + 3] = 255; - } - } - png_bytep row_ptr = data; - png_write_rows( png_ptr, &row_ptr, 1 ); - } - - free(data); - png_write_end( png_ptr, info_ptr ); - png_destroy_write_struct( &png_ptr, (png_infopp)&info_ptr ); - } - return TRUE; -} -#endif // wxUSE_STREAMS - -#endif - -// wxUSE_LIBPNG - - -//----------------------------------------------------------------------------- -// wxJPEGHandler -//----------------------------------------------------------------------------- - -#if wxUSE_LIBJPEG - -#if !USE_SHARED_LIBRARIES -IMPLEMENT_DYNAMIC_CLASS(wxJPEGHandler,wxImageHandler) -#endif - -#if wxUSE_STREAMS - - -//------------- JPEG Data Source Manager - -typedef struct { - struct jpeg_source_mgr pub; /* public fields */ - - JOCTET* buffer; /* start of buffer */ -} my_source_mgr; - -typedef my_source_mgr * my_src_ptr; - -METHODDEF(void) my_init_source ( j_decompress_ptr cinfo ) -{ -} - -METHODDEF(boolean) my_fill_input_buffer ( j_decompress_ptr cinfo ) -{ - return TRUE; -} - -METHODDEF(void) my_skip_input_data ( j_decompress_ptr cinfo, long num_bytes ) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - src->pub.next_input_byte += (size_t) num_bytes; - src->pub.bytes_in_buffer -= (size_t) num_bytes; -} - -METHODDEF(void) my_term_source ( j_decompress_ptr cinfo ) -{ - my_src_ptr src = (my_src_ptr) cinfo->src; - - free (src->buffer); -} - -void jpeg_wxio_src( j_decompress_ptr cinfo, wxInputStream& infile ) -{ - my_src_ptr src; - - if (cinfo->src == NULL) { /* first time for this JPEG object? */ - cinfo->src = (struct jpeg_source_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof(my_source_mgr)); - src = (my_src_ptr) cinfo->src; - } - src = (my_src_ptr) cinfo->src; - src->pub.bytes_in_buffer = infile.StreamSize(); /* forces fill_input_buffer on first read */ - src->buffer = (JOCTET *) malloc (infile.StreamSize()); - src->pub.next_input_byte = src->buffer; /* until buffer loaded */ - infile.Read(src->buffer, infile.StreamSize()); - - src->pub.init_source = my_init_source; - src->pub.fill_input_buffer = my_fill_input_buffer; - src->pub.skip_input_data = my_skip_input_data; - src->pub.resync_to_restart = jpeg_resync_to_restart; /* use default method */ - src->pub.term_source = my_term_source; -} - - - -bool wxJPEGHandler::LoadFile( wxImage *image, wxInputStream& stream ) -{ - struct jpeg_decompress_struct cinfo; - struct jpeg_error_mgr jerr; - JSAMPARRAY tempbuf; - unsigned char *ptr; - unsigned stride; - - image->Destroy(); - cinfo.err = jpeg_std_error( &jerr ); - jpeg_create_decompress( &cinfo ); - jpeg_wxio_src( &cinfo, stream ); - jpeg_read_header( &cinfo, TRUE ); - cinfo.out_color_space = JCS_RGB; - jpeg_start_decompress( &cinfo ); - - image->Create( cinfo.image_width, cinfo.image_height ); - if (!image->Ok()) { - jpeg_finish_decompress( &cinfo ); - jpeg_destroy_decompress( &cinfo ); - return FALSE; - } - image->SetMask( FALSE ); - ptr = image->GetData(); - stride = cinfo.output_width * 3; - tempbuf = (*cinfo.mem->alloc_sarray) - ((j_common_ptr) &cinfo, JPOOL_IMAGE, stride, 1 ); - - while ( cinfo.output_scanline < cinfo.output_height ) { - jpeg_read_scanlines( &cinfo, tempbuf, 1 ); - memcpy( ptr, tempbuf[0], stride ); - ptr += stride; - } - jpeg_finish_decompress( &cinfo ); - jpeg_destroy_decompress( &cinfo ); - return TRUE; -} - - - - - -typedef struct { - struct jpeg_destination_mgr pub; - - wxOutputStream *stream; - JOCTET * buffer; -} my_destination_mgr; - -typedef my_destination_mgr * my_dest_ptr; - -#define OUTPUT_BUF_SIZE 4096 /* choose an efficiently fwrite'able size */ - -METHODDEF(void) init_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - /* Allocate the output buffer --- it will be released when done with image */ - dest->buffer = (JOCTET *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_IMAGE, - OUTPUT_BUF_SIZE * sizeof(JOCTET)); - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; -} - -METHODDEF(boolean) empty_output_buffer (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - - dest->stream->Write(dest->buffer, OUTPUT_BUF_SIZE); - dest->pub.next_output_byte = dest->buffer; - dest->pub.free_in_buffer = OUTPUT_BUF_SIZE; - return TRUE; -} - -METHODDEF(void) term_destination (j_compress_ptr cinfo) -{ - my_dest_ptr dest = (my_dest_ptr) cinfo->dest; - size_t datacount = OUTPUT_BUF_SIZE - dest->pub.free_in_buffer; - /* Write any data remaining in the buffer */ - if (datacount > 0) - dest->stream->Write(dest->buffer, datacount); -} - -GLOBAL(void) jpeg_wxio_dest (j_compress_ptr cinfo, wxOutputStream& outfile) -{ - my_dest_ptr dest; - - if (cinfo->dest == NULL) { /* first time for this JPEG object? */ - cinfo->dest = (struct jpeg_destination_mgr *) - (*cinfo->mem->alloc_small) ((j_common_ptr) cinfo, JPOOL_PERMANENT, - sizeof(my_destination_mgr)); - } - - dest = (my_dest_ptr) cinfo->dest; - dest->pub.init_destination = init_destination; - dest->pub.empty_output_buffer = empty_output_buffer; - dest->pub.term_destination = term_destination; - dest->stream = &outfile; -} - - - -bool wxJPEGHandler::SaveFile( wxImage *image, wxOutputStream& stream ) -{ - struct jpeg_compress_struct cinfo; - struct jpeg_error_mgr jerr; - JSAMPROW row_pointer[1]; /* pointer to JSAMPLE row[s] */ - JSAMPLE *image_buffer; - int stride; /* physical row width in image buffer */ - - cinfo.err = jpeg_std_error(&jerr); - jpeg_create_compress(&cinfo); - jpeg_wxio_dest(&cinfo, stream); - - cinfo.image_width = image->GetWidth(); - cinfo.image_height = image->GetHeight(); - cinfo.input_components = 3; - cinfo.in_color_space = JCS_RGB; - jpeg_set_defaults(&cinfo); - jpeg_start_compress(&cinfo, TRUE); - - stride = cinfo.image_width * 3; /* JSAMPLEs per row in image_buffer */ - image_buffer = image->GetData(); - while (cinfo.next_scanline < cinfo.image_height) { - row_pointer[0] = &image_buffer[cinfo.next_scanline * stride]; - jpeg_write_scanlines( &cinfo, row_pointer, 1 ); - } - jpeg_finish_compress(&cinfo); - jpeg_destroy_compress(&cinfo); - - return TRUE; -} -#endif // wxUSE_STREAMS - -#endif - -// wxUSE_LIBJPEG - - - //----------------------------------------------------------------------------- // wxBMPHandler //----------------------------------------------------------------------------- @@ -1032,12 +630,12 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) int height = (int)dbuf[1]; if (width > 32767) { - wxLogError( "Image width > 32767 pixels for file\n" ); + wxLogError( _T("Image width > 32767 pixels for file\n") ); return FALSE; } if (height > 32767) { - wxLogError( "Image height > 32767 pixels for file\n" ); + wxLogError( _T("Image height > 32767 pixels for file\n") ); return FALSE; } stream.Read(&word, 2); @@ -1046,14 +644,14 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) bpp = (int)word; if (bpp != 1 && bpp != 4 && bpp != 8 && bpp && 16 && bpp != 24 && bpp != 32) { - wxLogError( "unknown bitdepth in file\n" ); + wxLogError( _T("unknown bitdepth in file\n") ); return FALSE; } stream.Read(dbuf, 4 * 4); comp = (int)dbuf[0]; if (comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && comp != BI_BITFIELDS) { - wxLogError( "unknown encoding in Windows BMP file\n" ); + wxLogError( _T("unknown encoding in Windows BMP file\n") ); return FALSE; } stream.Read(dbuf, 4 * 2); @@ -1063,7 +661,7 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) /* some more sanity checks */ if (((comp == BI_RLE4) && (bpp != 4)) || ((comp == BI_RLE8) && (bpp != 8)) || ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32))) { - wxLogError( "encoding of BMP doesn't match bitdepth\n" ); + wxLogError( _T("encoding of BMP doesn't match bitdepth\n") ); return FALSE; } if (bpp < 16) @@ -1072,7 +670,7 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) if (!cmap) { - wxLogError( "Cannot allocate RAM for color map in BMP file\n" ); + wxLogError( _T("Cannot allocate RAM for color map in BMP file\n") ); return FALSE; } } @@ -1083,7 +681,7 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) ptr = image->GetData(); if (!ptr) { - wxLogError( "Cannot allocate RAM for RGB data in file\n" ); + wxLogError( _T("Cannot allocate RAM for RGB data in file\n") ); if (cmap) free(cmap); return FALSE; @@ -1197,7 +795,7 @@ bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream ) { if (comp == BI_RLE4) { - wxLogError( "can't deal with 4bit encoded yet.\n"); + wxLogError( _T("can't deal with 4bit encoded yet.\n") ); image->Destroy(); free(cmap); return FALSE; @@ -1375,7 +973,7 @@ wxBitmap wxImage::ConvertToBitmap() const // set bitmap parameters wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, "invalid image" ); + wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); bitmap.SetWidth( width ); bitmap.SetHeight( bmpHeight ); bitmap.SetDepth( wxDisplayDepth() ); @@ -1383,7 +981,7 @@ wxBitmap wxImage::ConvertToBitmap() const // create a DIB header int headersize = sizeof(BITMAPINFOHEADER); LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); - wxCHECK_MSG( lpDIBh, bitmap, "could not allocate memory for DIB header" ); + wxCHECK_MSG( lpDIBh, bitmap, _T("could not allocate memory for DIB header") ); // Fill in the DIB header lpDIBh->bmiHeader.biSize = headersize; lpDIBh->bmiHeader.biWidth = (DWORD)width; @@ -1404,7 +1002,7 @@ wxBitmap wxImage::ConvertToBitmap() const lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); if( !lpBits ) { - wxFAIL_MSG( "could not allocate memory for DIB" ); + wxFAIL_MSG( _T("could not allocate memory for DIB") ); free( lpDIBh ); return bitmap; } @@ -1547,7 +1145,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) // check the bitmap if( !bitmap.Ok() ) { - wxFAIL_MSG( "invalid bitmap" ); + wxFAIL_MSG( _T("invalid bitmap") ); return; } @@ -1558,7 +1156,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) unsigned char *data = GetData(); if( !data ) { - wxFAIL_MSG( "could not allocate data for image" ); + wxFAIL_MSG( _T("could not allocate data for image") ); return; } @@ -1578,7 +1176,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); if( !lpDIBh ) { - wxFAIL_MSG( "could not allocate data for DIB header" ); + wxFAIL_MSG( _T("could not allocate data for DIB header") ); free( data ); return; } @@ -1600,7 +1198,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); if( !lpBits ) { - wxFAIL_MSG( "could not allocate data for DIB" ); + wxFAIL_MSG( _T("could not allocate data for DIB") ); free( data ); free( lpDIBh ); return; @@ -1679,11 +1277,15 @@ wxImage::wxImage( const wxBitmap &bitmap ) #include "gdk/gdk.h" #include "gdk/gdkx.h" +#if (GTK_MINOR_VERSION > 0) +#include "gdk/gdkrgb.h" +#endif + wxBitmap wxImage::ConvertToBitmap() const { wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, "invalid image" ); + wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); int width = GetWidth(); int height = GetHeight(); @@ -1691,14 +1293,54 @@ wxBitmap wxImage::ConvertToBitmap() const bitmap.SetHeight( height ); bitmap.SetWidth( width ); - // Create picture + bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); + + // Retrieve depth + + GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); + if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); + int bpp = visual->depth; + + bitmap.SetDepth( bpp ); + + if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; + if (bpp < 8) bpp = 8; + +#if (GTK_MINOR_VERSION > 0) + + if (!HasMask() && (bpp > 8)) + { + static bool s_hasInitialized = FALSE; + + if (!s_hasInitialized) + { + gdk_rgb_init(); + s_hasInitialized = TRUE; + } + + GdkGC *gc = gdk_gc_new( bitmap.GetPixmap() ); + + gdk_draw_rgb_image( bitmap.GetPixmap(), + gc, + 0, 0, + width, height, + GDK_RGB_DITHER_NONE, + GetData(), + width*3 ); + + gdk_gc_unref( gc ); + + return bitmap; + } + +#endif + + // Create picture image GdkImage *data_image = gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); - bitmap.SetPixmap( gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 ) ); - - // Create mask + // Create mask image GdkImage *mask_image = (GdkImage*) NULL; @@ -1714,17 +1356,6 @@ wxBitmap wxImage::ConvertToBitmap() const bitmap.SetMask( mask ); } - // Retrieve depth - - GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); - if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent ); - int bpp = visual->depth; - - bitmap.SetDepth( bpp ); - - if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15; - if (bpp < 8) bpp = 8; - // Render enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; @@ -1862,13 +1493,13 @@ wxBitmap wxImage::ConvertToBitmap() const wxImage::wxImage( const wxBitmap &bitmap ) { - wxCHECK_RET( bitmap.Ok(), "invalid bitmap" ); + wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); GdkImage *gdk_image = gdk_image_get( bitmap.GetPixmap(), 0, 0, bitmap.GetWidth(), bitmap.GetHeight() ); - wxCHECK_RET( gdk_image, "couldn't create image" ); + wxCHECK_RET( gdk_image, _T("couldn't create image") ); Create( bitmap.GetWidth(), bitmap.GetHeight() ); char unsigned *data = GetData(); @@ -1876,7 +1507,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) if (!data) { gdk_image_destroy( gdk_image ); - wxFAIL_MSG( "couldn't create image" ); + wxFAIL_MSG( _T("couldn't create image") ); return; } @@ -1956,8 +1587,8 @@ wxBitmap wxImage::ConvertToBitmap() const { wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, "invalid image" ); - + wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); + int width = GetWidth(); int height = GetHeight(); @@ -1971,10 +1602,10 @@ wxBitmap wxImage::ConvertToBitmap() const // Create image XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); - data_image->data = new char[ data_image->bytes_per_line * data_image->height ]; + data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); bitmap.Create( width, height, bpp ); - + /* // Create mask @@ -2012,7 +1643,7 @@ wxBitmap wxImage::ConvertToBitmap() const } XFree( vi ); - + if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; if (bpp < 8) bpp = 8; @@ -2160,7 +1791,7 @@ wxBitmap wxImage::ConvertToBitmap() const wxImage::wxImage( const wxBitmap &bitmap ) { - wxCHECK_RET( bitmap.Ok(), "invalid bitmap" ); + wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); Display *dpy = (Display*) wxGetDisplay(); Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); @@ -2172,7 +1803,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) bitmap.GetWidth(), bitmap.GetHeight(), AllPlanes, ZPixmap ); - wxCHECK_RET( ximage, "couldn't create image" ); + wxCHECK_RET( ximage, _T("couldn't create image") ); Create( bitmap.GetWidth(), bitmap.GetHeight() ); char unsigned *data = GetData(); @@ -2180,7 +1811,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) if (!data) { XDestroyImage( ximage ); - wxFAIL_MSG( "couldn't create image" ); + wxFAIL_MSG( _T("couldn't create image") ); return; } @@ -2278,3 +1909,18 @@ wxImage::wxImage( const wxBitmap &bitmap ) */ } #endif + +// A module to allow wxImage initialization/cleanup +// without calling these functions from app.cpp or from +// the user's application. + +class wxImageModule: public wxModule +{ +DECLARE_DYNAMIC_CLASS(wxImageModule) +public: + wxImageModule() {} + bool OnInit() { wxImage::InitStandardHandlers(); return TRUE; }; + void OnExit() { wxImage::CleanUpHandlers(); }; +}; + +IMPLEMENT_DYNAMIC_CLASS(wxImageModule, wxModule)