bool wxBMPHandler::SaveFile(wxImage *image,
wxOutputStream& stream,
bool verbose)
-{
+{
return SaveDib(image, stream, verbose, TRUE/*IsBmp*/, FALSE/*IsMask*/);
}
if ( !image->Ok() )
{
- if ( verbose )
+ if ( verbose )
wxLogError(_("BMP: Couldn't save invalid image."));
return FALSE;
}
// get the format of the BMP file to save, else use 24bpp
unsigned format = wxBMP_24BPP;
- if ( image->HasOption(wxBMP_FORMAT) )
- format = image->GetOptionInt(wxBMP_FORMAT);
+ if ( image->HasOption(wxIMAGE_OPTION_BMP_FORMAT) )
+ format = image->GetOptionInt(wxIMAGE_OPTION_BMP_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
)
{
if ( verbose )
- wxLogError(_("BMP: wImage doesn't have own wxPalette."));
+ wxLogError(_("BMP: wxImage doesn't have own wxPalette."));
return FALSE;
}
bpp = 8;
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,
!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)
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)
// destroy existing here instead of:
image->Destroy();
image->Create(width, height);
-
+
unsigned char *ptr = image->GetData();
if ( !ptr )
return stream.IsOk();
}
-bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,
+bool wxBMPHandler::LoadDib(wxImage *image, wxInputStream& stream,
bool verbose, bool IsBmp)
{
wxUint16 aWord;
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)
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)
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:
{
unsigned char hdr[2];
- stream.Read(hdr, 2);
- stream.SeekI(-2, wxFromCurrent);
- return (hdr[0] == 'B' && hdr[1] == 'M');
-}
+ if ( !stream.Read(hdr, WXSIZEOF(hdr)) )
+ return FALSE;
+ // do we have the BMP file signature?
+ return hdr[0] == 'B' && hdr[1] == 'M';
+}
+#if wxUSE_ICO_CUR
//-----------------------------------------------------------------------------
// wxICOHandler
//-----------------------------------------------------------------------------
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
wxImage mask;
if ( image->HasMask() )
- {
+ {
// make another image with black/white:
mask = image->ConvertToMono (image->GetMaskRed(), image->GetMaskGreen(), image->GetMaskBlue() );
{
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 );
}
}
// Set the formats for image and mask
// (Windows never saves with more than 8 colors):
- image->SetOption(wxBMP_FORMAT, wxBMP_8BPP);
+ image->SetOption(wxIMAGE_OPTION_BMP_FORMAT, wxBMP_8BPP);
// monochome bitmap:
- mask.SetOption(wxBMP_FORMAT, wxBMP_1BPP_BW);
+ mask.SetOption(wxIMAGE_OPTION_BMP_FORMAT, wxBMP_1BPP_BW);
bool IsBmp = FALSE;
bool IsMask = FALSE;
icondirentry.wBitCount = wxUINT16_SWAP_ON_BE(wxBMP_8BPP);
if ( type == 2 /*CUR*/)
{
- int hx = image->HasOption(wxCUR_HOTSPOT_X) ?
- image->GetOptionInt(wxCUR_HOTSPOT_X) :
+ int hx = image->HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X) ?
+ image->GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) :
image->GetWidth() / 2;
- int hy = image->HasOption(wxCUR_HOTSPOT_Y) ?
- image->GetOptionInt(wxCUR_HOTSPOT_Y) :
+ int hy = image->HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ?
+ image->GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) :
image->GetHeight() / 2;
// actually write the values of the hot spot here:
return TRUE;
}
-bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
+bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
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;
- 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);
-
+
// loop round the icons and choose the best one:
ICONDIRENTRY *pIconDirEntry = new ICONDIRENTRY[nIcons];
ICONDIRENTRY *pCurrentEntry = pIconDirEntry;
if ( pCurrentEntry->bColorCount == 0 )
pCurrentEntry->bColorCount = 255;
if ( pCurrentEntry->bColorCount >= colmax )
- {
+ {
iSel = i;
wMax = pCurrentEntry->bWidth;
colmax = pCurrentEntry->bColorCount;
}
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 ( iSel == wxNOT_FOUND || iSel < 0 || iSel >= nIcons )
{
wxLogError(_("ICO: Invalid icon index."));
{
// 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);
- 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));
- image->SetOption(wxCUR_HOTSPOT_Y, wxUINT16_SWAP_ON_BE(pCurrentEntry->wBitCount));
+ image->SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, wxUINT16_SWAP_ON_BE(pCurrentEntry->wPlanes));
+ image->SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, wxUINT16_SWAP_ON_BE(pCurrentEntry->wBitCount));
}
}
delete[] pIconDirEntry;
return bResult;
}
-int wxICOHandler::GetImagesCount(wxInputStream& stream)
+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(iPos);
return (int)nIcons;
}
bool wxICOHandler::DoCanRead(wxInputStream& stream)
{
unsigned char hdr[4];
+ if ( !stream.Read(hdr, WXSIZEOF(hdr)) )
+ return FALSE;
- stream.SeekI (0);
- stream.Read(hdr, 4);
- stream.SeekI(-4, wxFromCurrent);
- //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';
}
bool wxCURHandler::DoCanRead(wxInputStream& stream)
{
unsigned char hdr[4];
+ if ( !stream.Read(hdr, WXSIZEOF(hdr)) )
+ return FALSE;
- stream.SeekI (0);
- stream.Read(hdr, 4);
- stream.SeekI(-4, wxFromCurrent);
- //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);
+ datalen = wxINT32_SWAP_ON_BE(datalen) ;
+ //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;
+
+ if ( !stream.Read(&FCC1, 4) )
+ return FALSE;
+
+ 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);
+ datalen = wxINT32_SWAP_ON_BE(datalen) ;
+ // 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:
+ if ( !stream.Read(&FCC1, 4) )
+ {
+ // reading failed -- either EOF or IO error, bail out anyhow
+ return FALSE;
+ }
+ }
+
+ 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);
+ datalen = wxINT32_SWAP_ON_BE(datalen) ;
+ // 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 = wxINT32_SWAP_ON_BE(*(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
projects / wxWidgets.git / blobdiff