X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7b280524bb94f3e1ceca283b23b0f374e4182762..d604ea33556e3b97b32f11c6dc6bc6bcb1bbcbee:/src/common/image.cpp diff --git a/src/common/image.cpp b/src/common/image.cpp index 8ef0b3429a..be502d1e80 100644 --- a/src/common/image.cpp +++ b/src/common/image.cpp @@ -150,19 +150,19 @@ void wxImage::Destroy() UnRef(); } -wxImage wxImage::Scale( int width, int height ) +wxImage wxImage::Scale( int width, int height ) const { wxImage image; - wxCHECK_MSG( Ok(), image, _T("invalid image") ); + wxCHECK_MSG( Ok(), image, T("invalid image") ); - wxCHECK_MSG( (width > 0) && (height > 0), image, _T("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, _T("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 ); @@ -189,14 +189,51 @@ wxImage wxImage::Scale( int width, int height ) return image; } +wxImage wxImage::GetSubImage( const wxRect &rect ) const +{ + wxImage image; + + wxCHECK_MSG( Ok(), image, T("invalid image") ); + + wxCHECK_MSG( (rect.GetLeft()>=0) && (rect.GetTop()>=0) && (rect.GetRight()<=GetWidth()) && (rect.GetBottom()<=GetHeight()) + , image, T("invalid subimage size") ); + + int subwidth=rect.GetWidth(); + const int subheight=rect.GetHeight(); + + image.Create( subwidth, subheight ); + + char unsigned *subdata = image.GetData(), *data=GetData(); + + wxCHECK_MSG( subdata, 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 ); + + const int subleft=3*rect.GetLeft(); + const int width=3*GetWidth(); + subwidth*=3; + + data+=rect.GetTop()*width+subleft; + + for (long j = 0; j < subheight; ++j) + { + memcpy( subdata, data, subwidth); + subdata+=subwidth; + data+=width; + } + + return image; +} + void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ) { - wxCHECK_RET( Ok(), _T("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 *data ) { - wxCHECK_RET( Ok(), _T("invalid image") ); - - memcpy(M_IMGDATA->m_data, data, M_IMGDATA->m_width * M_IMGDATA->m_height * 3); + wxCHECK_RET( Ok(), T("invalid image") ); + + wxImageRefData *newRefData = new wxImageRefData(); + + newRefData->m_width = M_IMGDATA->m_width; + newRefData->m_height = M_IMGDATA->m_height; + newRefData->m_data = data; + newRefData->m_ok = TRUE; + newRefData->m_maskRed = M_IMGDATA->m_maskRed; + newRefData->m_maskGreen = M_IMGDATA->m_maskGreen; + newRefData->m_maskBlue = M_IMGDATA->m_maskBlue; + newRefData->m_hasMask = M_IMGDATA->m_hasMask; + + UnRef(); + + m_refData = newRefData; } void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) { - wxCHECK_RET( Ok(), _T("invalid image") ); + wxCHECK_RET( Ok(), T("invalid image") ); M_IMGDATA->m_maskRed = r; M_IMGDATA->m_maskGreen = g; @@ -278,49 +328,49 @@ void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b ) unsigned char wxImage::GetMaskRed() const { - wxCHECK_MSG( Ok(), 0, _T("invalid image") ); + wxCHECK_MSG( Ok(), 0, T("invalid image") ); return M_IMGDATA->m_maskRed; } unsigned char wxImage::GetMaskGreen() const { - wxCHECK_MSG( Ok(), 0, _T("invalid image") ); + wxCHECK_MSG( Ok(), 0, T("invalid image") ); return M_IMGDATA->m_maskGreen; } unsigned char wxImage::GetMaskBlue() const { - wxCHECK_MSG( Ok(), 0, _T("invalid image") ); + wxCHECK_MSG( Ok(), 0, T("invalid image") ); return M_IMGDATA->m_maskBlue; } void wxImage::SetMask( bool mask ) { - wxCHECK_RET( Ok(), _T("invalid image") ); + wxCHECK_RET( Ok(), T("invalid image") ); M_IMGDATA->m_hasMask = mask; } bool wxImage::HasMask() const { - wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); + wxCHECK_MSG( Ok(), FALSE, T("invalid image") ); return M_IMGDATA->m_hasMask; } int wxImage::GetWidth() const { - wxCHECK_MSG( Ok(), 0, _T("invalid image") ); + wxCHECK_MSG( Ok(), 0, T("invalid image") ); return M_IMGDATA->m_width; } int wxImage::GetHeight() const { - wxCHECK_MSG( Ok(), 0, _T("invalid image") ); + wxCHECK_MSG( Ok(), 0, T("invalid image") ); return M_IMGDATA->m_height; } @@ -335,7 +385,7 @@ bool wxImage::LoadFile( const wxString& filename, long type ) } else { - wxLogError( _T("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; } @@ -354,7 +404,7 @@ bool wxImage::LoadFile( const wxString& filename, const wxString& mimetype ) } else { - wxLogError( _T("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; } @@ -388,17 +438,36 @@ bool wxImage::SaveFile( const wxString& filename, const wxString& mimetype ) } #if wxUSE_STREAMS + bool wxImage::LoadFile( wxInputStream& stream, long type ) { UnRef(); m_refData = new wxImageRefData; - wxImageHandler *handler = FindHandler(type); + wxImageHandler *handler; + + if (type==wxBITMAP_TYPE_ANY) + { + wxList &list=GetHandlers(); + + for ( wxList::Node *node = list.GetFirst(); node; node = node->GetNext() ) + { + handler=(wxImageHandler*)node->GetData(); + if (handler->CanRead( stream )) + return handler->LoadFile( this, stream ); + + } + + wxLogWarning( T("No handler found for this image.") ); + return FALSE; + } + + handler = FindHandler(type); if (handler == NULL) { - wxLogWarning( _T("No image handler for type %d defined."), type ); + wxLogWarning( T("No image handler for type %d defined."), type ); return FALSE; } @@ -416,7 +485,7 @@ bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) if (handler == NULL) { - wxLogWarning( _T("No image handler for type %s defined."), mimetype.GetData() ); + wxLogWarning( T("No image handler for type %s defined."), mimetype.GetData() ); return FALSE; } @@ -426,13 +495,13 @@ bool wxImage::LoadFile( wxInputStream& stream, const wxString& mimetype ) bool wxImage::SaveFile( wxOutputStream& stream, int type ) { - wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); + wxCHECK_MSG( Ok(), FALSE, T("invalid image") ); wxImageHandler *handler = FindHandler(type); if (handler == NULL) { - wxLogWarning( _T("No image handler for type %d defined."), type ); + wxLogWarning( T("No image handler for type %d defined."), type ); return FALSE; } @@ -442,13 +511,13 @@ bool wxImage::SaveFile( wxOutputStream& stream, int type ) bool wxImage::SaveFile( wxOutputStream& stream, const wxString& mimetype ) { - wxCHECK_MSG( Ok(), FALSE, _T("invalid image") ); + 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() ); + wxLogWarning( T("No image handler for type %s defined."), mimetype.GetData() ); return FALSE; } @@ -538,7 +607,7 @@ wxImageHandler *wxImage::FindHandlerMime( const wxString& mimetype ) void wxImage::InitStandardHandlers() { - AddHandler( new wxBMPHandler ); + AddHandler( new wxBMPHandler ); } void wxImage::CleanUpHandlers() @@ -563,15 +632,42 @@ IMPLEMENT_DYNAMIC_CLASS(wxImageHandler,wxObject) #endif #if wxUSE_STREAMS -bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream) ) +bool wxImageHandler::LoadFile( wxImage *WXUNUSED(image), wxInputStream& WXUNUSED(stream), bool WXUNUSED(verbose) ) +{ + return FALSE; +} + +bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream), bool WXUNUSED(verbose) ) { return FALSE; } -bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSED(stream) ) +bool wxImageHandler::CanRead( wxInputStream& WXUNUSED(stream) ) { return FALSE; } + +bool wxImageHandler::CanRead( const wxString& name ) +{ +#if wxUSE_STREAMS + if (wxFileExists(name)) + { + wxFileInputStream stream(name); + return CanRead(stream); + } + + else { + wxLogError( T("Can't check image format of file '%s': file does not exist."), name.c_str() ); + + return FALSE; + } +#else // !wxUSE_STREAMS + return FALSE; +#endif // wxUSE_STREAMS +} + + + #endif // wxUSE_STREAMS //----------------------------------------------------------------------------- @@ -582,8 +678,15 @@ bool wxImageHandler::SaveFile( wxImage *WXUNUSED(image), wxOutputStream& WXUNUSE wxBitmap wxImage::ConvertToBitmap() const { + if ( !Ok() ) + return wxNullBitmap; + // sizeLimit is the MS upper limit for the DIB size +#ifdef WIN32 int sizeLimit = 1024*768*3; +#else + int sizeLimit = 0x7fff ; +#endif // width and height of the device-dependent bitmap int width = GetWidth(); @@ -592,11 +695,11 @@ wxBitmap wxImage::ConvertToBitmap() const // calc the number of bytes per scanline and padding int bytePerLine = width*3; int sizeDWORD = sizeof( DWORD ); - div_t lineBoundary = div( bytePerLine, sizeDWORD ); + int lineBoundary = bytePerLine % sizeDWORD; int padding = 0; - if( lineBoundary.rem > 0 ) + if( lineBoundary > 0 ) { - padding = sizeDWORD - lineBoundary.rem; + padding = sizeDWORD - lineBoundary; bytePerLine += padding; } // calc the number of DIBs and heights of DIBs @@ -607,15 +710,14 @@ wxBitmap wxImage::ConvertToBitmap() const height = bmpHeight; else { - div_t result = div( bmpHeight, height ); - numDIB = result.quot; - hRemain = result.rem; + numDIB = bmpHeight / height; + hRemain = bmpHeight % height; if( hRemain >0 ) numDIB++; } // set bitmap parameters wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); + wxCHECK_MSG( Ok(), bitmap, T("invalid image") ); bitmap.SetWidth( width ); bitmap.SetHeight( bmpHeight ); bitmap.SetDepth( wxDisplayDepth() ); @@ -623,7 +725,7 @@ wxBitmap wxImage::ConvertToBitmap() const // create a DIB header int headersize = sizeof(BITMAPINFOHEADER); LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); - wxCHECK_MSG( lpDIBh, bitmap, _T("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; @@ -644,7 +746,7 @@ wxBitmap wxImage::ConvertToBitmap() const lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage ); if( !lpBits ) { - wxFAIL_MSG( _T("could not allocate memory for DIB") ); + wxFAIL_MSG( T("could not allocate memory for DIB") ); free( lpDIBh ); return bitmap; } @@ -787,7 +889,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) // check the bitmap if( !bitmap.Ok() ) { - wxFAIL_MSG( _T("invalid bitmap") ); + wxFAIL_MSG( T("invalid bitmap") ); return; } @@ -798,18 +900,18 @@ wxImage::wxImage( const wxBitmap &bitmap ) unsigned char *data = GetData(); if( !data ) { - wxFAIL_MSG( _T("could not allocate data for image") ); + wxFAIL_MSG( T("could not allocate data for image") ); return; } // calc the number of bytes per scanline and padding in the DIB int bytePerLine = width*3; int sizeDWORD = sizeof( DWORD ); - div_t lineBoundary = div( bytePerLine, sizeDWORD ); + int lineBoundary = bytePerLine % sizeDWORD; int padding = 0; - if( lineBoundary.rem > 0 ) + if( lineBoundary > 0 ) { - padding = sizeDWORD - lineBoundary.rem; + padding = sizeDWORD - lineBoundary; bytePerLine += padding; } @@ -818,7 +920,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize ); if( !lpDIBh ) { - wxFAIL_MSG( _T("could not allocate data for DIB header") ); + wxFAIL_MSG( T("could not allocate data for DIB header") ); free( data ); return; } @@ -840,7 +942,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage ); if( !lpBits ) { - wxFAIL_MSG( _T("could not allocate data for DIB") ); + wxFAIL_MSG( T("could not allocate data for DIB") ); free( data ); free( lpDIBh ); return; @@ -931,7 +1033,7 @@ wxBitmap wxImage::ConvertToBitmap() const { wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); + wxCHECK_MSG( Ok(), bitmap, T("invalid image") ); int width = GetWidth(); int height = GetHeight(); @@ -944,7 +1046,7 @@ wxBitmap wxImage::ConvertToBitmap() const // Retrieve depth GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() ); - if (visual == NULL) visual = gdk_visual_get_best(); + if (visual == NULL) visual = gdk_visual_get_system(); int bpp = visual->depth; bitmap.SetDepth( bpp ); @@ -984,7 +1086,7 @@ wxBitmap wxImage::ConvertToBitmap() const // Create picture image GdkImage *data_image = - gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_best(), width, height ); + gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height ); // Create mask image @@ -994,7 +1096,7 @@ wxBitmap wxImage::ConvertToBitmap() const { unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height ); - mask_image = gdk_image_new_bitmap( gdk_visual_get_best(), mask_data, width, height ); + mask_image = gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height ); wxMask *mask = new wxMask(); mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 ); @@ -1009,7 +1111,7 @@ wxBitmap wxImage::ConvertToBitmap() const if (bpp >= 24) { - GdkVisual *visual = gdk_visual_get_best(); + GdkVisual *visual = gdk_visual_get_system(); if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask)) b_o = RGB; else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask)) b_o = RGB; else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask)) b_o = BRG; @@ -1139,13 +1241,13 @@ wxBitmap wxImage::ConvertToBitmap() const wxImage::wxImage( const wxBitmap &bitmap ) { - wxCHECK_RET( bitmap.Ok(), _T("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, _T("couldn't create image") ); + wxCHECK_RET( gdk_image, T("couldn't create image") ); Create( bitmap.GetWidth(), bitmap.GetHeight() ); char unsigned *data = GetData(); @@ -1153,7 +1255,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) if (!data) { gdk_image_destroy( gdk_image ); - wxFAIL_MSG( _T("couldn't create image") ); + wxFAIL_MSG( T("couldn't create image") ); return; } @@ -1179,7 +1281,8 @@ wxImage::wxImage( const wxBitmap &bitmap ) { for (int i = 0; i < bitmap.GetWidth(); i++) { - int pixel = gdk_image_get_pixel( gdk_image, i, j ); + wxInt32 pixel = gdk_image_get_pixel( gdk_image, i, j ); + pixel = wxINT32_SWAP_ON_BE( pixel ); if (bpp <= 8) { data[pos] = cmap->colors[pixel].red >> 8; @@ -1237,7 +1340,7 @@ wxBitmap wxImage::ConvertToBitmap() const { wxBitmap bitmap; - wxCHECK_MSG( Ok(), bitmap, _T("invalid image") ); + wxCHECK_MSG( Ok(), bitmap, T("invalid image") ); int width = GetWidth(); int height = GetHeight(); @@ -1286,7 +1389,7 @@ wxBitmap wxImage::ConvertToBitmap() const vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); - wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") ); + wxCHECK_MSG( vi, wxNullBitmap, T("no visual") ); XFree( vi ); @@ -1437,7 +1540,7 @@ wxBitmap wxImage::ConvertToBitmap() const wxImage::wxImage( const wxBitmap &bitmap ) { - wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") ); + wxCHECK_RET( bitmap.Ok(), T("invalid bitmap") ); Display *dpy = (Display*) wxGetDisplay(); Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); @@ -1449,7 +1552,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) bitmap.GetWidth(), bitmap.GetHeight(), AllPlanes, ZPixmap ); - wxCHECK_RET( ximage, _T("couldn't create image") ); + wxCHECK_RET( ximage, T("couldn't create image") ); Create( bitmap.GetWidth(), bitmap.GetHeight() ); char unsigned *data = GetData(); @@ -1457,7 +1560,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) if (!data) { XDestroyImage( ximage ); - wxFAIL_MSG( _T("couldn't create image") ); + wxFAIL_MSG( T("couldn't create image") ); return; } @@ -1485,7 +1588,7 @@ wxImage::wxImage( const wxBitmap &bitmap ) vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); - wxCHECK_RET( vi, _T("no visual") ); + wxCHECK_RET( vi, T("no visual") ); if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15;