honour min/max size in wxMGL's wxWindow::DoSetSize

[wxWidgets.git] / src / common / imagbmp.cpp

diff --git a/src/common/imagbmp.cpp b/src/common/imagbmp.cpp
index 924bcf4c3d77e492e00e9e41b7688257fd4bc2d2..f50bdbc30e2fd5c4cdebe9c9fc422acd1bd0748f 100644 (file)
--- a/src/common/imagbmp.cpp
+++ b/src/common/imagbmp.cpp
@@ -67,7 +67,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBMPHandler,wxImageHandler)
 bool wxBMPHandler::SaveFile(wxImage *image,
                             wxOutputStream& stream,
                             bool verbose)
 bool wxBMPHandler::SaveFile(wxImage *image,
                             wxOutputStream& stream,
                             bool verbose)

-{      
+{

     return SaveDib(image, stream, verbose, TRUE/*IsBmp*/, FALSE/*IsMask*/);
 }
 
     return SaveDib(image, stream, verbose, TRUE/*IsBmp*/, FALSE/*IsMask*/);
 }
 


@@ -82,7 +82,7 @@ bool wxBMPHandler::SaveDib(wxImage *image,
 
     if ( !image->Ok() )
     {
 
     if ( !image->Ok() )
     {

-        if ( verbose ) 
+        if ( verbose )

             wxLogError(_("BMP: Couldn't save invalid image."));
         return FALSE;
     }
             wxLogError(_("BMP: Couldn't save invalid image."));
         return FALSE;
     }


@@ -92,7 +92,7 @@ bool wxBMPHandler::SaveDib(wxImage *image,
     if ( image->HasOption(wxBMP_FORMAT) )
         format = image->GetOptionInt(wxBMP_FORMAT);
 
     if ( image->HasOption(wxBMP_FORMAT) )
         format = image->GetOptionInt(wxBMP_FORMAT);
 

-    unsigned bpp;     // # of bits per pixel
+    wxUint16 bpp;     // # of bits per pixel

     int palette_size; // # of color map entries, ie. 2^bpp colors
 
     // set the bpp and appropriate palette_size, and do additional checks
     int palette_size; // # of color map entries, ie. 2^bpp colors
 
     // set the bpp and appropriate palette_size, and do additional checks


@@ -117,7 +117,7 @@ bool wxBMPHandler::SaveDib(wxImage *image,
             )
         {
             if ( verbose )
             )
         {
             if ( verbose )

-                wxLogError(_("BMP: wImage doesn't have own wxPalette."));
+                wxLogError(_("BMP: wxImage doesn't have own wxPalette."));

             return FALSE;
         }
         bpp = 8;
             return FALSE;
         }
         bpp = 8;


@@ -179,7 +179,7 @@ bool wxBMPHandler::SaveDib(wxImage *image,
     hdr.h_res = hdr.v_res = wxUINT32_SWAP_ON_BE(72);  // 72dpi is standard
     hdr.num_clrs = wxUINT32_SWAP_ON_BE(palette_size); // # colors in colormap
     hdr.num_signif_clrs = 0;     // all colors are significant
     hdr.h_res = hdr.v_res = wxUINT32_SWAP_ON_BE(72);  // 72dpi is standard
     hdr.num_clrs = wxUINT32_SWAP_ON_BE(palette_size); // # colors in colormap
     hdr.num_signif_clrs = 0;     // all colors are significant

-    
+

     if ( IsBmp )
     {
         if (// VS: looks ugly but compilers tend to do ugly things with structs,
     if ( IsBmp )
     {
         if (// VS: looks ugly but compilers tend to do ugly things with structs,


@@ -188,7 +188,7 @@ bool wxBMPHandler::SaveDib(wxImage *image,
             !stream.Write(&hdr.magic, 2) ||
             !stream.Write(&hdr.filesize, 4) ||
             !stream.Write(&hdr.reserved, 4) ||
             !stream.Write(&hdr.magic, 2) ||
             !stream.Write(&hdr.filesize, 4) ||
             !stream.Write(&hdr.reserved, 4) ||

-            !stream.Write(&hdr.data_offset, 4) 
+            !stream.Write(&hdr.data_offset, 4)

            )
         {
             if (verbose)
            )
         {
             if (verbose)


@@ -443,7 +443,7 @@ typedef struct
     unsigned char r, g, b;
 }  _cmap;
 
     unsigned char r, g, b;
 }  _cmap;
 

-bool wxBMPHandler::DoLoadDib(wxImage * image, int width, int height, 
+bool wxBMPHandler::DoLoadDib(wxImage * image, int width, int height,

                              int bpp, int ncolors, int comp,
                              off_t bmpOffset, wxInputStream& stream,
                              bool verbose, bool IsBmp, bool hasPalette)
                              int bpp, int ncolors, int comp,
                              off_t bmpOffset, wxInputStream& stream,
                              bool verbose, bool IsBmp, bool hasPalette)


@@ -474,7 +474,7 @@ bool wxBMPHandler::DoLoadDib(wxImage * image, int width, int height,
     // destroy existing here instead of:
     image->Destroy();
     image->Create(width, height);
     // destroy existing here instead of:
     image->Destroy();
     image->Create(width, height);

-    
+

     unsigned char *ptr = image->GetData();
 
     if ( !ptr )
     unsigned char *ptr = image->GetData();
 
     if ( !ptr )


@@ -753,7 +753,7 @@ bool wxBMPHandler::DoLoadDib(wxImage * image, int width, int height,
     return stream.IsOk();
 }
 
     return stream.IsOk();
 }
 

-bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream, 
+bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,

                            bool verbose, bool IsBmp)
 {
     wxUint16        aWord;
                            bool verbose, bool IsBmp)
 {
     wxUint16        aWord;


@@ -785,7 +785,7 @@ bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,
     int width = (int)wxINT32_SWAP_ON_BE(dbuf[0]);
     int height = (int)wxINT32_SWAP_ON_BE(dbuf[1]);
     if ( !IsBmp)height = height  / 2; // for icons divide by 2
     int width = (int)wxINT32_SWAP_ON_BE(dbuf[0]);
     int height = (int)wxINT32_SWAP_ON_BE(dbuf[1]);
     if ( !IsBmp)height = height  / 2; // for icons divide by 2

-        
+

     if ( width > 32767 )
     {
         if (verbose)
     if ( width > 32767 )
     {
         if (verbose)


@@ -815,7 +815,7 @@ bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,
 
     stream.Read(dbuf, 4 * 4);
     int comp = (int)wxINT32_SWAP_ON_BE(dbuf[0]);
 
     stream.Read(dbuf, 4 * 4);
     int comp = (int)wxINT32_SWAP_ON_BE(dbuf[0]);

-    if ( comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 && 
+    if ( comp != BI_RGB && comp != BI_RLE4 && comp != BI_RLE8 &&

          comp != BI_BITFIELDS )
     {
         if (verbose)
          comp != BI_BITFIELDS )
     {
         if (verbose)


@@ -865,7 +865,7 @@ bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,
     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxBMPHandler::LoadFile(wxImage *image, wxInputStream& stream, 
+bool wxBMPHandler::LoadFile(wxImage *image, wxInputStream& stream,

                             bool verbose, int WXUNUSED(index))
 {
     // Read a single DIB fom the file:
                             bool verbose, int WXUNUSED(index))
 {
     // Read a single DIB fom the file:


@@ -882,7 +882,7 @@ bool wxBMPHandler::DoCanRead(wxInputStream& stream)
 }
 
 
 }
 
 

-
+#if wxUSE_ICO_CUR

 //-----------------------------------------------------------------------------
 // wxICOHandler
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // wxICOHandler
 //-----------------------------------------------------------------------------


@@ -935,7 +935,7 @@ bool wxICOHandler::SaveFile(wxImage *image,
 
     int images = 1; // only generate one image
 
 
     int images = 1; // only generate one image
 

-    // VS: This is a hack of sort - since ICO and CUR files are almost 
+    // VS: This is a hack of sort - since ICO and CUR files are almost

     //     identical, we have all the meat in wxICOHandler and check for
     //     the actual (handler) type when the code has to distinguish between
     //     the two formats
     //     identical, we have all the meat in wxICOHandler and check for
     //     the actual (handler) type when the code has to distinguish between
     //     the two formats


@@ -966,7 +966,7 @@ bool wxICOHandler::SaveFile(wxImage *image,
         wxImage mask;
 
         if ( image->HasMask() )
         wxImage mask;
 
         if ( image->HasMask() )

-        {            
+        {

             // make another image with black/white:
             mask = image->ConvertToMono (image->GetMaskRed(), image->GetMaskGreen(), image->GetMaskBlue() );
 
             // make another image with black/white:
             mask = image->ConvertToMono (image->GetMaskRed(), image->GetMaskGreen(), image->GetMaskBlue() );
 


@@ -982,8 +982,8 @@ bool wxICOHandler::SaveFile(wxImage *image,
                 {
                     for (j = 0; j < mask.GetHeight(); j++)
                     {
                 {
                     for (j = 0; j < mask.GetHeight(); j++)
                     {

-                        if ((r == mask.GetRed(i, j)) && 
-                            (g == mask.GetGreen(i, j))&& 
+                        if ((r == mask.GetRed(i, j)) &&
+                            (g == mask.GetGreen(i, j))&&

                             (b == mask.GetBlue(i, j)) )
                                 image->SetRGB(i, j, 0, 0, 0 );
                     }
                             (b == mask.GetBlue(i, j)) )
                                 image->SetRGB(i, j, 0, 0, 0 );
                     }


@@ -1106,19 +1106,27 @@ bool wxICOHandler::SaveFile(wxImage *image,
     return TRUE;
 }
 
     return TRUE;
 }
 

-bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream, 
+bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,

                             bool verbose, int index)
                             bool verbose, int index)

+{
+    stream.SeekI(0);
+    return DoLoadFile(image, stream, verbose, index);
+}
+
+bool wxICOHandler::DoLoadFile(wxImage *image, wxInputStream& stream,
+                            bool WXUNUSED(verbose), int index)

 {
     bool bResult = FALSE;
     bool IsBmp = FALSE;
 
     ICONDIR IconDir;
 {
     bool bResult = FALSE;
     bool IsBmp = FALSE;
 
     ICONDIR IconDir;

-    stream.SeekI(0);
+
+    off_t iPos = stream.TellI();

     stream.Read(&IconDir, sizeof(IconDir));
     wxUint16 nIcons = wxUINT16_SWAP_ON_BE(IconDir.idCount);
     // nType is 1 for Icons, 2 for Cursors:
     wxUint16 nType = wxUINT16_SWAP_ON_BE(IconDir.idType);
     stream.Read(&IconDir, sizeof(IconDir));
     wxUint16 nIcons = wxUINT16_SWAP_ON_BE(IconDir.idCount);
     // nType is 1 for Icons, 2 for Cursors:
     wxUint16 nType = wxUINT16_SWAP_ON_BE(IconDir.idType);

-    
+

     // loop round the icons and choose the best one:
     ICONDIRENTRY *pIconDirEntry = new ICONDIRENTRY[nIcons];
     ICONDIRENTRY *pCurrentEntry = pIconDirEntry;
     // loop round the icons and choose the best one:
     ICONDIRENTRY *pIconDirEntry = new ICONDIRENTRY[nIcons];
     ICONDIRENTRY *pCurrentEntry = pIconDirEntry;


@@ -1136,7 +1144,7 @@ bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
             if ( pCurrentEntry->bColorCount == 0 )
                 pCurrentEntry->bColorCount = 255;
             if ( pCurrentEntry->bColorCount >= colmax )
             if ( pCurrentEntry->bColorCount == 0 )
                 pCurrentEntry->bColorCount = 255;
             if ( pCurrentEntry->bColorCount >= colmax )

-            {                
+            {

                 iSel = i;
                 wMax = pCurrentEntry->bWidth;
                 colmax = pCurrentEntry->bColorCount;
                 iSel = i;
                 wMax = pCurrentEntry->bWidth;
                 colmax = pCurrentEntry->bColorCount;


@@ -1144,14 +1152,14 @@ bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
         }
         pCurrentEntry++;
     }
         }
         pCurrentEntry++;
     }

-    
+

     if ( index != -1 )
     {
         // VS: Note that we *have* to run the loop above even if index != -1, because
         //     it reads ICONDIRENTRies.
         iSel = index;
     }
     if ( index != -1 )
     {
         // VS: Note that we *have* to run the loop above even if index != -1, because
         //     it reads ICONDIRENTRies.
         iSel = index;
     }

-    
+

     if ( iSel == wxNOT_FOUND || iSel < 0 || iSel >= nIcons )
     {
         wxLogError(_("ICO: Invalid icon index."));
     if ( iSel == wxNOT_FOUND || iSel < 0 || iSel >= nIcons )
     {
         wxLogError(_("ICO: Invalid icon index."));


@@ -1161,9 +1169,10 @@ bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
     {
         // seek to selected icon:
         pCurrentEntry = pIconDirEntry + iSel;
     {
         // seek to selected icon:
         pCurrentEntry = pIconDirEntry + iSel;

-        stream.SeekI(wxUINT32_SWAP_ON_BE(pCurrentEntry->dwImageOffset), wxFromStart);
+        stream.SeekI(iPos + wxUINT32_SWAP_ON_BE(pCurrentEntry->dwImageOffset), wxFromStart);

         bResult = LoadDib(image, stream, TRUE, IsBmp);
         bResult = LoadDib(image, stream, TRUE, IsBmp);

-        if ( bResult && this->GetType() == wxBITMAP_TYPE_CUR && nType == 2 )
+        bool bIsCursorType = (this->GetType() == wxBITMAP_TYPE_CUR) || (this->GetType() == wxBITMAP_TYPE_ANI);
+        if ( bResult && bIsCursorType && nType == 2 )

         {
             // it is a cursor, so let's set the hotspot:
             image->SetOption(wxCUR_HOTSPOT_X, wxUINT16_SWAP_ON_BE(pCurrentEntry->wPlanes));
         {
             // it is a cursor, so let's set the hotspot:
             image->SetOption(wxCUR_HOTSPOT_X, wxUINT16_SWAP_ON_BE(pCurrentEntry->wPlanes));


@@ -1177,19 +1186,21 @@ bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
 int wxICOHandler::GetImageCount(wxInputStream& stream)
 {
     ICONDIR IconDir;
 int wxICOHandler::GetImageCount(wxInputStream& stream)
 {
     ICONDIR IconDir;

+    off_t iPos = stream.TellI();

     stream.SeekI(0);
     stream.Read(&IconDir, sizeof(IconDir));
     wxUint16 nIcons = wxUINT16_SWAP_ON_BE(IconDir.idCount);
     stream.SeekI(0);
     stream.Read(&IconDir, sizeof(IconDir));
     wxUint16 nIcons = wxUINT16_SWAP_ON_BE(IconDir.idCount);

+    stream.SeekI(iPos);

     return (int)nIcons;
 }
 
 bool wxICOHandler::DoCanRead(wxInputStream& stream)
 {
     unsigned char hdr[4];
     return (int)nIcons;
 }
 
 bool wxICOHandler::DoCanRead(wxInputStream& stream)
 {
     unsigned char hdr[4];

-
+    off_t iPos = stream.TellI();

     stream.SeekI (0);
     stream.Read(hdr, 4);
     stream.SeekI (0);
     stream.Read(hdr, 4);

-    stream.SeekI(-4, wxFromCurrent);
+    stream.SeekI(iPos);

     //hdr[2] is one for an icon and two for a cursor
     return (hdr[0] == '\0' && hdr[1] == '\0' && hdr[2] == '\1' && hdr[3] == '\0');
 }
     //hdr[2] is one for an icon and two for a cursor
     return (hdr[0] == '\0' && hdr[1] == '\0' && hdr[2] == '\1' && hdr[3] == '\0');
 }


@@ -1205,12 +1216,162 @@ IMPLEMENT_DYNAMIC_CLASS(wxCURHandler, wxICOHandler)
 bool wxCURHandler::DoCanRead(wxInputStream& stream)
 {
     unsigned char hdr[4];
 bool wxCURHandler::DoCanRead(wxInputStream& stream)
 {
     unsigned char hdr[4];

-
+    off_t iPos = stream.TellI();

     stream.SeekI (0);
     stream.Read(hdr, 4);
     stream.SeekI (0);
     stream.Read(hdr, 4);

-    stream.SeekI(-4, wxFromCurrent);
+    stream.SeekI(iPos);

     //hdr[2] is one for an icon and two for a cursor
     return (hdr[0] == '\0' && hdr[1] == '\0' && hdr[2] == '\2' && hdr[3] == '\0');
 }
 
     //hdr[2] is one for an icon and two for a cursor
     return (hdr[0] == '\0' && hdr[1] == '\0' && hdr[2] == '\2' && hdr[3] == '\0');
 }
 

+//-----------------------------------------------------------------------------
+// wxANIHandler
+//-----------------------------------------------------------------------------
+
+IMPLEMENT_DYNAMIC_CLASS(wxANIHandler, wxCURHandler)
+
+bool wxANIHandler::LoadFile(wxImage *image, wxInputStream& stream,
+                            bool verbose, int index)
+{
+    wxInt32 FCC1, FCC2;
+    wxUint32 datalen;
+    static const char *rifftxt = "RIFF";
+    static const char *listtxt = "LIST";
+    static const char *icotxt  = "icon";
+
+    wxInt32 *riff32 = (wxInt32 *) rifftxt;
+    wxInt32 *list32 = (wxInt32 *) listtxt;
+    wxInt32 *ico32  = (wxInt32 *) icotxt;
+
+    int iIcon = 0;
+
+    stream.SeekI(0);
+    stream.Read(&FCC1, 4);
+    if ( FCC1 != *riff32 )
+        return FALSE;
+
+    // we have a riff file:
+    while (stream.IsOk())
+    {
+        // we always have a data size
+        stream.Read(&datalen, 4);
+
+        //now either data or a FCC
+        if ( (FCC1 == *riff32) || (FCC1 == *list32) )
+        {
+           stream.Read(&FCC2, 4);
+        }
+        else
+        {
+            if (FCC1 == *ico32 && iIcon >= index)
+            {
+                return DoLoadFile(image, stream, verbose, -1);
+            }
+            else
+            {
+                stream.SeekI(stream.TellI() + datalen);
+                if ( FCC1 == *ico32 )
+                    iIcon ++;
+            }
+        }
+
+        // try to read next data chunk:
+        stream.Read(&FCC1, 4);
+    }
+    return FALSE;
+}
+
+bool wxANIHandler::DoCanRead(wxInputStream& stream)
+{
+    wxInt32 FCC1, FCC2;
+    wxUint32 datalen ;
+    static const char *rifftxt = "RIFF";
+    static const char *listtxt = "LIST";
+    static const char *anihtxt = "anih";
+
+    wxInt32 *riff32 = (wxInt32 *) rifftxt;
+    wxInt32 *list32 = (wxInt32 *) listtxt;
+    wxInt32 *anih32 = (wxInt32 *) anihtxt;
+
+    stream.SeekI(0);
+    stream.Read(&FCC1, 4);
+    if ( FCC1 != *riff32 )
+        return FALSE;
+
+    // we have a riff file:
+    while ( stream.IsOk() )
+    {
+        if ( FCC1 != *anih32 )
+            return TRUE;
+        // we always have a data size:
+        stream.Read(&datalen, 4);
+
+        // now either data or a FCC:
+        if ( (FCC1 == *riff32) || (FCC1 == *list32) )
+        {
+                   stream.Read(&FCC2, 4);
+        }
+        else
+        {
+            stream.SeekI(stream.TellI() + datalen);
+        }
+
+        // try to read next data chunk:
+        stream.Read(&FCC1, 4);
+    }
+
+    return FALSE;
+}
+
+int wxANIHandler::GetImageCount(wxInputStream& stream)
+{
+    wxInt32 FCC1, FCC2;
+    wxUint32 datalen ;
+    static const char *rifftxt = "RIFF";
+    static const char *listtxt = "LIST";
+    static const char *anihtxt = "anih";
+
+    wxInt32 *riff32 = (wxInt32 *) rifftxt;
+    wxInt32 *list32 = (wxInt32 *) listtxt;
+    wxInt32 *anih32 = (wxInt32 *) anihtxt;
+
+    stream.SeekI(0);
+    stream.Read(&FCC1, 4);
+    if ( FCC1 != *riff32 )
+        return wxNOT_FOUND;
+
+    // we have a riff file:
+    while ( stream.IsOk() )
+    {
+        // we always have a data size:
+        stream.Read(&datalen, 4);
+
+        // now either data or a FCC:
+        if ( (FCC1 == *riff32) || (FCC1 == *list32) )
+       {
+           stream.Read(&FCC2, 4);
+        }
+        else
+        {
+            if ( FCC1 == *anih32 )
+            {
+                wxUint32 *pData = new wxUint32[datalen/4];
+                stream.Read(pData, datalen);
+                int nIcons = *(pData + 1);
+                delete[] pData;
+                return nIcons;
+            }
+            else
+                stream.SeekI(stream.TellI() + datalen);
+        }
+
+        // try to read next data chunk:
+        stream.Read(&FCC1, 4);
+    }
+
+    return wxNOT_FOUND;
+}
+
+#endif // wxUSE_ICO_CUR
+

 #endif // wxUSE_IMAGE && wxUSE_STREAMS
 #endif // wxUSE_IMAGE && wxUSE_STREAMS