class wxImageRefData: public wxObjectRefData
{
-
+
public:
wxImageRefData(void);
~wxImageRefData(void);
-
+
int m_width;
int m_height;
unsigned char *m_data;
void wxImage::Create( int width, int height )
{
m_refData = new wxImageRefData();
-
+
M_IMGDATA->m_data = (unsigned char *) malloc( width*height*3 );
if (M_IMGDATA->m_data)
{
for (int l = 0; l < width*height*3; l++) M_IMGDATA->m_data[l] = 0;
-
+
M_IMGDATA->m_width = width;
M_IMGDATA->m_height = height;
M_IMGDATA->m_ok = TRUE;
wxImage wxImage::Scale( int width, int height )
{
wxImage image;
-
+
wxCHECK_MSG( Ok(), image, _T("invalid image") );
-
+
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") );
-
+
if (M_IMGDATA->m_hasMask)
image.SetMaskColour( M_IMGDATA->m_maskRed, M_IMGDATA->m_maskGreen, M_IMGDATA->m_maskBlue );
-
+
long old_height = M_IMGDATA->m_height;
long old_width = M_IMGDATA->m_width;
-
+
char unsigned *source_data = M_IMGDATA->m_data;
char unsigned *target_data = data;
-
+
for (long j = 0; j < height; j++)
{
long y_offset = (j * old_height / height) * old_width;
-
+
for (long i = 0; i < width; i++)
{
- memcpy( target_data,
- source_data + 3*(y_offset + ((i * old_width )/ width)),
+ memcpy( target_data,
+ source_data + 3*(y_offset + ((i * old_width )/ width)),
3 );
target_data += 3;
}
}
-
+
return image;
}
void wxImage::SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b )
{
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<w) && (y<h), _T("invalid image index") );
-
+
long pos = (y * w + x) * 3;
-
+
M_IMGDATA->m_data[ pos ] = r;
M_IMGDATA->m_data[ pos+1 ] = g;
M_IMGDATA->m_data[ pos+2 ] = b;
unsigned char wxImage::GetRed( int x, int y )
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
int w = M_IMGDATA->m_width;
int h = M_IMGDATA->m_height;
-
+
wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") );
-
+
long pos = (y * w + x) * 3;
-
+
return M_IMGDATA->m_data[pos];
}
unsigned char wxImage::GetGreen( int x, int y )
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
int w = M_IMGDATA->m_width;
int h = M_IMGDATA->m_height;
-
+
wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") );
-
+
long pos = (y * w + x) * 3;
-
+
return M_IMGDATA->m_data[pos+1];
}
unsigned char wxImage::GetBlue( int x, int y )
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
int w = M_IMGDATA->m_width;
int h = M_IMGDATA->m_height;
-
+
wxCHECK_MSG( (x>=0) && (y>=0) && (x<w) && (y<h), 0, _T("invalid image index") );
-
+
long pos = (y * w + x) * 3;
-
+
return M_IMGDATA->m_data[pos+2];
}
char unsigned *wxImage::GetData() const
{
wxCHECK_MSG( Ok(), (char unsigned *)NULL, _T("invalid image") );
-
+
return M_IMGDATA->m_data;
}
void wxImage::SetMaskColour( unsigned char r, unsigned char g, unsigned char b )
{
wxCHECK_RET( Ok(), _T("invalid image") );
-
+
M_IMGDATA->m_maskRed = r;
M_IMGDATA->m_maskGreen = g;
M_IMGDATA->m_maskBlue = b;
unsigned char wxImage::GetMaskRed() const
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
return M_IMGDATA->m_maskRed;
}
unsigned char wxImage::GetMaskGreen() const
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
return M_IMGDATA->m_maskGreen;
}
unsigned char wxImage::GetMaskBlue() const
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
return M_IMGDATA->m_maskBlue;
}
void wxImage::SetMask( bool mask )
{
wxCHECK_RET( Ok(), _T("invalid image") );
-
+
M_IMGDATA->m_hasMask = mask;
}
bool wxImage::HasMask() const
{
wxCHECK_MSG( Ok(), FALSE, _T("invalid image") );
-
+
return M_IMGDATA->m_hasMask;
}
int wxImage::GetWidth() const
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
return M_IMGDATA->m_width;
}
int wxImage::GetHeight() const
{
wxCHECK_MSG( Ok(), 0, _T("invalid image") );
-
+
return M_IMGDATA->m_height;
}
wxFileInputStream stream(filename);
return LoadFile(stream, mimetype);
}
-
+
else {
wxLogError( _T("Can't load image from file '%s': file does not exist."), filename.c_str() );
-
+
return FALSE;
}
#else // !wxUSE_STREAMS
{
#if wxUSE_STREAMS
wxFileOutputStream stream(filename);
-
+
if ( stream.LastError() == wxStream_NOERROR )
return SaveFile(stream, mimetype);
else
bool wxImage::LoadFile( wxInputStream& stream, long type )
{
UnRef();
-
+
m_refData = new wxImageRefData;
-
+
wxImageHandler *handler = FindHandler(type);
-
+
if (handler == NULL)
{
wxLogWarning( _T("No image handler for type %d defined."), type );
-
+
return FALSE;
}
-
+
return handler->LoadFile( this, stream );
}
bool wxImage::SaveFile( wxOutputStream& stream, int type )
{
wxCHECK_MSG( Ok(), FALSE, _T("invalid image") );
-
+
wxImageHandler *handler = FindHandler(type);
-
+
if (handler == NULL)
{
wxLogWarning( _T("No image handler for type %d defined."), type );
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;
}
-
+
return handler->SaveFile( this, stream );
}
#endif // wxUSE_STREAMS
{
// make sure that the memory will be freed at the program end
sm_handlers.DeleteContents(TRUE);
-
+
sm_handlers.Append( handler );
}
{
// make sure that the memory will be freed at the program end
sm_handlers.DeleteContents(TRUE);
-
+
sm_handlers.Insert( handler );
}
{
wxImageHandler *handler = (wxImageHandler*)node->Data();
if (handler->GetName().Cmp(name) == 0) return handler;
-
+
node = node->Next();
}
return (wxImageHandler *)NULL;
#endif
#if wxUSE_STREAMS
-bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream )
-{
- unsigned char *data, *ptr;
- int done, i, bpp, planes, comp, ncolors, line, column,
- linesize, linepos, rshift = 0, gshift = 0, bshift = 0;
- unsigned char aByte;
- short int word;
- long int dbuf[4], dword, rmask = 0, gmask = 0, bmask = 0, offset,
- size;
- off_t start_offset = stream.TellI();
- signed char bbuf[4];
- struct _cmap
- {
- unsigned char r, g, b;
- }
- *cmap = NULL;
+
#ifndef BI_RGB
#define BI_RGB 0
#define BI_RLE8 1
#define BI_RLE4 2
#endif
-
+
#ifndef BI_BITFIELDS
#define BI_BITFIELDS 3
#endif
-
+
+#define poffset (line * width * 3 + column * 3)
+
+bool wxBMPHandler::LoadFile( wxImage *image, wxInputStream& stream )
+{
+ int rshift = 0, gshift = 0, bshift = 0;
+ wxUint8 aByte;
+ wxUint16 aWord;
+ wxInt32 dbuf[4], aDword,
+ rmask = 0, gmask = 0, bmask = 0;
+ wxInt8 bbuf[4];
+ struct _cmap {
+ unsigned char r, g, b;
+ } *cmap = NULL;
+
+ off_t start_offset = stream.TellI();
+
image->Destroy();
-
- done = 0;
+
/*
- * Reading the bmp header
- */
-
- stream.Read(&bbuf, 2);
-
- stream.Read(dbuf, 4 * 4);
-
- size = dbuf[0];
- offset = dbuf[2];
-
+ * Read the BMP header
+ */
+
+ stream.Read( &bbuf, 2 );
+ stream.Read( dbuf, 4 * 4 );
+
+ wxInt32 size = wxINT32_SWAP_ON_BE( dbuf[0] );
+ wxInt32 offset = wxINT32_SWAP_ON_BE( dbuf[2] );
+
stream.Read(dbuf, 4 * 2);
- int width = (int)dbuf[0];
- int height = (int)dbuf[1];
+ int width = (int)wxINT32_SWAP_ON_BE( dbuf[0] );
+ int height = (int)wxINT32_SWAP_ON_BE( dbuf[1] );
if (width > 32767)
{
- wxLogError( _T("Image width > 32767 pixels for file\n") );
+ wxLogError( _T("Image width > 32767 pixels for file.") );
return FALSE;
}
if (height > 32767)
{
- wxLogError( _T("Image height > 32767 pixels for file\n") );
+ wxLogError( _T("Image height > 32767 pixels for file.") );
return FALSE;
}
- stream.Read(&word, 2);
- planes = (int)word;
- stream.Read(&word, 2);
- bpp = (int)word;
- if (bpp != 1 && bpp != 4 && bpp != 8 && bpp && 16 && bpp != 24 && bpp != 32)
+
+ stream.Read( &aWord, 2 );
+/*
+ TODO
+ int planes = (int)wxUINT16_SWAP_ON_BE( aWord );
+*/
+ stream.Read( &aWord, 2 );
+ int bpp = (int)wxUINT16_SWAP_ON_BE( aWord );
+ if (bpp != 1 && bpp != 4 && bpp != 8 && bpp != 16 && bpp != 24 && bpp != 32)
{
- wxLogError( _T("unknown bitdepth in file\n") );
+ wxLogError( _T("unknown bitdepth in file.") );
return FALSE;
}
- stream.Read(dbuf, 4 * 4);
- comp = (int)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 && comp != BI_BITFIELDS)
{
- wxLogError( _T("unknown encoding in Windows BMP file\n") );
+ wxLogError( _T("unknown encoding in Windows BMP file.") );
return FALSE;
}
- stream.Read(dbuf, 4 * 2);
- ncolors = (int)dbuf[0];
+
+ stream.Read( dbuf, 4 * 2 );
+ int ncolors = (int)wxINT32_SWAP_ON_BE( dbuf[0] );
if (ncolors == 0)
ncolors = 1 << bpp;
/* some more sanity checks */
- if (((comp == BI_RLE4) && (bpp != 4)) || ((comp == BI_RLE8) && (bpp != 8)) || ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32)))
+ if (((comp == BI_RLE4) && (bpp != 4)) ||
+ ((comp == BI_RLE8) && (bpp != 8)) ||
+ ((comp == BI_BITFIELDS) && (bpp != 16 && bpp != 32)))
{
- wxLogError( _T("encoding of BMP doesn't match bitdepth\n") );
+ wxLogError( _T("encoding of BMP doesn't match bitdepth.") );
return FALSE;
}
if (bpp < 16)
{
cmap = (struct _cmap *)malloc(sizeof(struct _cmap) * ncolors);
-
if (!cmap)
{
- wxLogError( _T("Cannot allocate RAM for color map in BMP file\n") );
+ wxLogError( _T("Cannot allocate RAM for color map in BMP file.") );
return FALSE;
}
}
else
cmap = NULL;
-
+
image->Create( width, height );
- ptr = image->GetData();
+ unsigned char *ptr = image->GetData();
if (!ptr)
{
- wxLogError( _T("Cannot allocate RAM for RGB data in file\n") );
+ wxLogError( _T("Cannot allocate RAM for RGB data in file.") );
if (cmap)
free(cmap);
return FALSE;
}
-
+
/*
- * Reading the palette, if it exists.
- */
+ * Reading the palette, if it exists.
+ */
if (bpp < 16 && ncolors != 0)
{
- for (i = 0; i < ncolors; i++)
+ for (int j = 0; j < ncolors; j++)
{
- stream.Read(bbuf, 4);
- cmap[i].b = bbuf[0];
- cmap[i].g = bbuf[1];
- cmap[i].r = bbuf[2];
+ stream.Read( bbuf, 4 );
+ cmap[j].b = bbuf[0];
+ cmap[j].g = bbuf[1];
+ cmap[j].r = bbuf[2];
}
}
else if (bpp == 16 || bpp == 32)
{
if (comp == BI_BITFIELDS)
{
- int bit = 0;
-
- stream.Read(dbuf, 4 * 3);
- bmask = dbuf[0];
- gmask = dbuf[1];
- rmask = dbuf[2];
+ int bit = 0;
+ stream.Read( dbuf, 4 * 3 );
+ bmask = wxINT32_SWAP_ON_BE( dbuf[0] );
+ gmask = wxINT32_SWAP_ON_BE( dbuf[1] );
+ rmask = wxINT32_SWAP_ON_BE( dbuf[2] );
/* find shift amount.. ugly, but i can't think of a better way */
for (bit = 0; bit < bpp; bit++)
{
bshift = 0;
}
}
-
+
/*
- * Reading the image data
- */
- stream.SeekI(start_offset + offset);
- data = ptr;
-
+ * Reading the image data
+ */
+ stream.SeekI( start_offset + offset );
+ unsigned char *data = ptr;
+
/* set the whole image to the background color */
if (bpp < 16 && (comp == BI_RLE4 || comp == BI_RLE8))
{
- for (i = 0; i < width * height; i++)
+ for (int i = 0; i < width * height; i++)
{
*ptr++ = cmap[0].r;
*ptr++ = cmap[0].g;
}
ptr = data;
}
- line = 0;
- column = 0;
-#define poffset (line * width * 3 + column * 3)
-
- /*
- * BMPs are stored upside down... hmmmmmmmmmm....
- */
- linesize = ((width * bpp + 31) / 32) * 4;
- for (line = (height - 1); line >= 0; line--)
+ int line = 0;
+ int column = 0;
+ int linesize = ((width * bpp + 31) / 32) * 4;
+
+ /* BMPs are stored upside down */
+ for (line = (height - 1); line >= 0; line--)
{
- linepos = 0;
+ int linepos = 0;
for (column = 0; column < width;)
{
if (bpp < 16)
{
- int index;
-
+ int index = 0;
linepos++;
aByte = stream.GetC();
if (bpp == 1)
{
- int bit = 0;
-
+ int bit = 0;
for (bit = 0; bit < 8; bit++)
{
index = ((aByte & (0x80 >> bit)) ? 1 : 0);
{
if (comp == BI_RLE4)
{
- wxLogError( _T("can't deal with 4bit encoded yet.\n") );
+ wxLogError( _T("Can't deal with 4bit encoded yet.") );
image->Destroy();
free(cmap);
return FALSE;
}
else
{
- int nibble = 0;
-
+ int nibble = 0;
for (nibble = 0; nibble < 2; nibble++)
{
index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4));
{
if (comp == BI_RLE8)
{
- unsigned char first;
-
+ unsigned char first;
first = aByte;
aByte = stream.GetC();
if (first == 0)
{
if (aByte == 0)
{
- /* column = width; */
+ /* column = width; */
}
else if (aByte == 1)
{
}
else
{
- int absolute = aByte;
-
- for (i = 0; i < absolute; i++)
+ int absolute = aByte;
+ for (int k = 0; k < absolute; k++)
{
linepos++;
aByte = stream.GetC();
- ptr[poffset] = cmap[aByte].r;
+ ptr[poffset ] = cmap[aByte].r;
ptr[poffset + 1] = cmap[aByte].g;
ptr[poffset + 2] = cmap[aByte].b;
column++;
}
else
{
- for (i = 0; i < first; i++)
+ for (int l = 0; l < first; l++)
{
- ptr[poffset] = cmap[aByte].r;
+ ptr[poffset ] = cmap[aByte].r;
ptr[poffset + 1] = cmap[aByte].g;
ptr[poffset + 2] = cmap[aByte].b;
column++;
}
else
{
- ptr[poffset] = cmap[aByte].r;
+ ptr[poffset ] = cmap[aByte].r;
ptr[poffset + 1] = cmap[aByte].g;
ptr[poffset + 2] = cmap[aByte].b;
column++;
}
else if (bpp == 24)
{
- stream.Read(&bbuf, 3);
+ stream.Read( &bbuf, 3 );
linepos += 3;
- ptr[poffset] = (unsigned char)bbuf[2];
+ ptr[poffset ] = (unsigned char)bbuf[2];
ptr[poffset + 1] = (unsigned char)bbuf[1];
ptr[poffset + 2] = (unsigned char)bbuf[0];
column++;
}
else if (bpp == 16)
{
- unsigned char temp;
-
- stream.Read(&word, 2);
+ unsigned char temp;
+ stream.Read( &aWord, 2 );
+ aWord = wxUINT16_SWAP_ON_BE( aWord );
linepos += 2;
- temp = (word & rmask) >> rshift;
+ temp = (aWord & rmask) >> rshift;
ptr[poffset] = temp;
- temp = (word & gmask) >> gshift;
+ temp = (aWord & gmask) >> gshift;
ptr[poffset + 1] = temp;
- temp = (word & bmask) >> gshift;
+ temp = (aWord & bmask) >> gshift;
ptr[poffset + 2] = temp;
column++;
}
else
{
- unsigned char temp;
-
- stream.Read(&dword, 4);
+ unsigned char temp;
+ stream.Read( &aDword, 4 );
+ aDword = wxINT32_SWAP_ON_BE( aDword );
linepos += 4;
- temp = (dword & rmask) >> rshift;
+ temp = (aDword & rmask) >> rshift;
ptr[poffset] = temp;
- temp = (dword & gmask) >> gshift;
+ temp = (aDword & gmask) >> gshift;
ptr[poffset + 1] = temp;
- temp = (dword & bmask) >> bshift;
+ temp = (aDword & bmask) >> bshift;
ptr[poffset + 2] = temp;
column++;
}
}
while ((linepos < linesize) && (comp != 1) && (comp != 2))
{
- stream.Read(&aByte, 1);
+ stream.Read( &aByte, 1 );
linepos += 1;
if (stream.LastError() != wxStream_NOERROR)
break;
}
}
- if (cmap) free(cmap);
-
+ if (cmap)
+ free(cmap);
+
image->SetMask( FALSE );
-
+
return TRUE;
}
#endif // wxUSE_STREAMS
wxBitmap wxImage::ConvertToBitmap() const
{
// sizeLimit is the MS upper limit for the DIB size
- int sizeLimit = 1024*768*3;
-
+ int sizeLimit = 1024*768*3;
+
// width and height of the device-dependent bitmap
int width = GetWidth();
int bmpHeight = GetHeight();
-
+
// calc the number of bytes per scanline and padding
int bytePerLine = width*3;
int sizeDWORD = sizeof( DWORD );
div_t lineBoundary = div( bytePerLine, sizeDWORD );
int padding = 0;
- if( lineBoundary.rem > 0 )
+ if( lineBoundary.rem > 0 )
{
padding = sizeDWORD - lineBoundary.rem;
bytePerLine += padding;
int hRemain = 0;
int height = sizeLimit/bytePerLine;
if( height >= bmpHeight )
- height = bmpHeight;
+ height = bmpHeight;
else
{
div_t result = div( bmpHeight, height );
hRemain = result.rem;
if( hRemain >0 ) numDIB++;
}
-
+
// set bitmap parameters
wxBitmap bitmap;
wxCHECK_MSG( Ok(), bitmap, _T("invalid image") );
bitmap.SetWidth( width );
bitmap.SetHeight( bmpHeight );
bitmap.SetDepth( wxDisplayDepth() );
-
+
// create a DIB header
int headersize = sizeof(BITMAPINFOHEADER);
LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
free( lpDIBh );
return bitmap;
}
-
+
// create and set the device-dependent bitmap
HDC hdc = ::GetDC(NULL);
HDC memdc = ::CreateCompatibleDC( hdc );
HBITMAP hbitmap;
hbitmap = ::CreateCompatibleBitmap( hdc, width, bmpHeight );
- ::SelectObject( memdc, hbitmap);
-
+ ::SelectObject( memdc, hbitmap);
+
// copy image data into DIB data and then into DDB (in a loop)
unsigned char *data = GetData();
int i, j, n;
int origin = 0;
unsigned char *ptdata = data;
unsigned char *ptbits;
-
+
for( n=0; n<numDIB; n++ )
{
if( numDIB > 1 && n == numDIB-1 && hRemain > 0 )
{
// redefine height and size of the (possibly) last smaller DIB
// memory is not reallocated
- height = hRemain;
+ height = hRemain;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
}
ptbits = lpBits;
-
+
for( j=0; j<height; j++ )
{
for( i=0; i<width; i++ )
// or the following lines
// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
// HDC memdc = ::CreateCompatibleDC( hdc );
- // ::SelectObject( memdc, hbitmap);
+ // ::SelectObject( memdc, hbitmap);
// ::SetDIBitsToDevice( memdc, 0, 0, width, height,
// 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS);
- // ::SelectObject( memdc, 0 );
- // ::DeleteDC( memdc );
+ // ::SelectObject( memdc, 0 );
+ // ::DeleteDC( memdc );
}
bitmap.SetHBITMAP( (WXHBITMAP) hbitmap );
-
+
// similarly, created an mono-bitmap for the possible mask
if( HasMask() )
{
hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL );
- ::SelectObject( memdc, hbitmap);
- if( numDIB == 1 ) height = bmpHeight;
+ ::SelectObject( memdc, hbitmap);
+ if( numDIB == 1 ) height = bmpHeight;
else height = sizeLimit/bytePerLine;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
{
// redefine height and size of the (possibly) last smaller DIB
// memory is not reallocated
- height = hRemain;
+ height = hRemain;
lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
}
bitmap.SetMask( mask );
*/
}
-
- // free allocated resources
- ::SelectObject( memdc, 0 );
- ::DeleteDC( memdc );
- ::ReleaseDC(NULL, hdc);
+
+ // free allocated resources
+ ::SelectObject( memdc, 0 );
+ ::DeleteDC( memdc );
+ ::ReleaseDC(NULL, hdc);
free(lpDIBh);
free(lpBits);
-
+
// check the wxBitmap object
if( bitmap.GetHBITMAP() )
bitmap.SetOk( TRUE );
else
bitmap.SetOk( FALSE );
-
+
return bitmap;
}
wxFAIL_MSG( _T("invalid bitmap") );
return;
}
-
+
// create an wxImage object
int width = bitmap.GetWidth();
int height = bitmap.GetHeight();
- Create( width, height );
+ Create( width, height );
unsigned char *data = GetData();
if( !data )
{
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 padding = 0;
- if( lineBoundary.rem > 0 )
+ if( lineBoundary.rem > 0 )
{
padding = sizeDWORD - lineBoundary.rem;
bytePerLine += padding;
}
-
+
// create a DIB header
int headersize = sizeof(BITMAPINFOHEADER);
LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
free( lpDIBh );
return;
}
-
+
// copy data from the device-dependent bitmap to the DIB
HDC hdc = ::GetDC(NULL);
HBITMAP hbitmap;
hbitmap = (HBITMAP) bitmap.GetHBITMAP();
::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-
+
// copy DIB data into the wxImage object
int i, j;
unsigned char *ptdata = data;
ptbits += 3;
}
ptbits += padding;
- }
-
+ }
+
// similarly, set data according to the possible mask bitmap
if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
{
::SetTextColor( memdc, RGB( 0, 0, 0 ) );
::SetBkColor( memdc, RGB( 255, 255, 255 ) );
::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
- ::DeleteDC( memdc );
+ ::DeleteDC( memdc );
// background color set to RGB(16,16,16) in consistent with wxGTK
- unsigned char r=16, g=16, b=16;
+ unsigned char r=16, g=16, b=16;
ptdata = data;
ptbits = lpBits;
for( i=0; i<height; i++ )
ptbits += 3;
}
ptbits += padding;
- }
+ }
SetMaskColour( r, g, b );
SetMask( TRUE );
- }
+ }
else
{
SetMask( FALSE );
- }
- // free allocated resources
- ::ReleaseDC(NULL, hdc);
+ }
+ // free allocated resources
+ ::ReleaseDC(NULL, hdc);
free(lpDIBh);
free(lpBits);
}
#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, _T("invalid image") );
-
+
int width = GetWidth();
int height = GetHeight();
-
+
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;
-
+
if (HasMask())
{
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * 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 );
-
+
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 };
byte_order b_o = RGB;
-
+
if (bpp >= 24)
{
GdkVisual *visual = gdk_visual_get_system();
else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask)) b_o = GRB;
else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask)) b_o = GBR;
}
-
+
int r_mask = GetMaskRed();
int g_mask = GetMaskGreen();
int b_mask = GetMaskBlue();
-
+
unsigned char* data = GetData();
-
+
int index = 0;
for (int y = 0; y < height; y++)
{
index++;
int b = data[index];
index++;
-
+
if (HasMask())
{
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
else
gdk_image_put_pixel( mask_image, x, y, 0 );
}
-
+
if (HasMask())
{
if ((r == r_mask) && (b == b_mask) && (g == g_mask))
else
gdk_image_put_pixel( mask_image, x, y, 0 );
}
-
+
switch (bpp)
{
case 8:
GdkColormap *cmap = gtk_widget_get_default_colormap();
GdkColor *colors = cmap->colors;
int max = 3 * (65536);
-
+
for (int i = 0; i < cmap->size; i++)
{
int rdiff = (r << 8) - colors[i].red;
if (sum < max) { pixel = i; max = sum; }
}
}
-
+
gdk_image_put_pixel( data_image, x, y, pixel );
-
+
break;
}
case 15:
}
} // for
} // for
-
+
// Blit picture
-
+
GdkGC *data_gc = gdk_gc_new( bitmap.GetPixmap() );
-
+
gdk_draw_image( bitmap.GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
-
+
gdk_image_destroy( data_image );
gdk_gc_unref( data_gc );
-
+
// Blit mask
-
+
if (HasMask())
{
GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
-
+
gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
-
+
gdk_image_destroy( mask_image );
gdk_gc_unref( mask_gc );
}
-
+
return bitmap;
}
wxImage::wxImage( const wxBitmap &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") );
-
+
Create( bitmap.GetWidth(), bitmap.GetHeight() );
char unsigned *data = GetData();
-
+
if (!data)
{
gdk_image_destroy( gdk_image );
wxFAIL_MSG( _T("couldn't create image") );
return;
}
-
+
GdkImage *gdk_image_mask = (GdkImage*) NULL;
if (bitmap.GetMask())
{
gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
0, 0,
bitmap.GetWidth(), bitmap.GetHeight() );
-
+
SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
}
-
+
GdkVisual *visual = gdk_window_get_visual( bitmap.GetPixmap() );
if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
int bpp = visual->depth;
if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
-
+
GdkColormap *cmap = gtk_widget_get_default_colormap();
-
+
long pos = 0;
for (int j = 0; j < bitmap.GetHeight(); j++)
{
data[pos+1] = (pixel >> 8) & 0xff;
data[pos+2] = pixel & 0xff;
}
-
+
if (gdk_image_mask)
{
int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
data[pos+2] = 16;
}
}
-
+
pos += 3;
}
}
-
+
gdk_image_destroy( gdk_image );
if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
}
wxBitmap wxImage::ConvertToBitmap() const
{
wxBitmap bitmap;
-
+
wxCHECK_MSG( Ok(), bitmap, _T("invalid image") );
int width = GetWidth();
int height = GetHeight();
-
+
bitmap.SetHeight( height );
bitmap.SetWidth( width );
-
+
Display *dpy = (Display*) wxGetDisplay();
Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) );
int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) );
-
+
// Create image
-
+
XImage *data_image = XCreateImage( dpy, vis, bpp, ZPixmap, 0, 0, width, height, 32, 0 );
data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height );
-
+
bitmap.Create( width, height, bpp );
/*
// Create mask
-
+
GdkImage *mask_image = (GdkImage*) NULL;
-
+
if (HasMask())
{
unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * 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 );
-
+
bitmap.SetMask( mask );
}
*/
-
+
// Retrieve depth info
-
+
XVisualInfo vinfo_template;
XVisualInfo *vi;
-
+
vinfo_template.visual = vis;
vinfo_template.visualid = XVisualIDFromVisual( vis );
vinfo_template.depth = bpp;
int nitem = 0;
-
+
vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem );
-
- if (!vi)
- {
- printf("no visual.\n" );
- return wxNullBitmap;
- }
-
+
+ wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") );
+
XFree( vi );
if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15;
if (bpp < 8) bpp = 8;
-
+
// Render
-
+
enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
byte_order b_o = RGB;
-
+
if (bpp >= 24)
{
if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB;
else if ((vi->green_mask > vi->red_mask) && (vi->red_mask > vi->blue_mask)) b_o = GRB;
else if ((vi->green_mask > vi->blue_mask) && (vi->blue_mask > vi->red_mask)) b_o = GBR;
}
-
+
/*
int r_mask = GetMaskRed();
int g_mask = GetMaskGreen();
int b_mask = GetMaskBlue();
*/
-
+
XColor colors[256];
if (bpp == 8)
{
Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy );
-
+
for (int i = 0; i < 256; i++) colors[i].pixel = i;
XQueryColors( dpy, cmap, colors, 256 );
}
-
+
unsigned char* data = GetData();
-
+
int index = 0;
for (int y = 0; y < height; y++)
{
index++;
int b = data[index];
index++;
-
+
/*
if (HasMask())
{
gdk_image_put_pixel( mask_image, x, y, 0 );
}
*/
-
+
switch (bpp)
{
case 8:
if (wxTheApp->m_colorCube)
{
pixel = wxTheApp->m_colorCube
- [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
- }
+ [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
+ }
else
{
*/
}
} // for
} // for
-
+
// Blit picture
-
+
XGCValues gcvalues;
gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) );
GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues );
XPutImage( dpy, (Drawable)bitmap.GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height );
-
+
XDestroyImage( data_image );
XFreeGC( dpy, gc );
-
+
/*
// Blit mask
-
+
if (HasMask())
{
GdkGC *mask_gc = gdk_gc_new( bitmap.GetMask()->GetBitmap() );
-
+
gdk_draw_image( bitmap.GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
-
+
gdk_image_destroy( mask_image );
gdk_gc_unref( mask_gc );
}
*/
-
+
return bitmap;
}
wxImage::wxImage( const wxBitmap &bitmap )
{
wxCHECK_RET( bitmap.Ok(), _T("invalid bitmap") );
-
+
Display *dpy = (Display*) wxGetDisplay();
Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) );
int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) );
-
+
XImage *ximage = XGetImage( dpy,
(Drawable)bitmap.GetPixmap(),
0, 0,
bitmap.GetWidth(), bitmap.GetHeight(),
AllPlanes, ZPixmap );
-
+
wxCHECK_RET( ximage, _T("couldn't create image") );
-
+
Create( bitmap.GetWidth(), bitmap.GetHeight() );
char unsigned *data = GetData();
-
+
if (!data)
{
XDestroyImage( ximage );
wxFAIL_MSG( _T("couldn't create image") );
return;
}
-
+
/*
GdkImage *gdk_image_mask = (GdkImage*) NULL;
if (bitmap.GetMask())
gdk_image_mask = gdk_image_get( bitmap.GetMask()->GetBitmap(),
0, 0,
bitmap.GetWidth(), bitmap.GetHeight() );
-
+
SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable
}
*/
-
+
// Retrieve depth info
-
+
XVisualInfo vinfo_template;
XVisualInfo *vi;
-
+
vinfo_template.visual = vis;
vinfo_template.visualid = XVisualIDFromVisual( vis );
vinfo_template.depth = bpp;
int nitem = 0;
-
+
vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem );
-
- if (!vi)
- {
- printf("no visual.\n" );
- return;
- }
-
+
+ wxCHECK_MSG( vi, wxNullBitmap, _T("no visual") );
+
if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15;
-
+
XFree( vi );
-
+
XColor colors[256];
if (bpp == 8)
{
Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy );
-
+
for (int i = 0; i < 256; i++) colors[i].pixel = i;
XQueryColors( dpy, cmap, colors, 256 );
}
-
+
long pos = 0;
for (int j = 0; j < bitmap.GetHeight(); j++)
{
data[pos+1] = (pixel >> 8) & 0xff;
data[pos+2] = pixel & 0xff;
}
-
+
/*
if (gdk_image_mask)
{
}
}
*/
-
+
pos += 3;
}
}
-
+
XDestroyImage( ximage );
/*
if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
projects / wxWidgets.git / blobdiff