unsigned char *data, *ptr;
int done, i, bpp, planes, comp, ncolors, line, column,
linesize, linepos, rshift = 0, gshift = 0, bshift = 0;
- unsigned char byte;
+ unsigned char aByte;
short int word;
long int dbuf[4], dword, rmask = 0, gmask = 0, bmask = 0, offset,
size;
int index;
linepos++;
- byte = getc(file);
+ aByte = getc(file);
if (bpp == 1)
{
int bit = 0;
for (bit = 0; bit < 8; bit++)
{
- index = ((byte & (0x80 >> bit)) ? 1 : 0);
+ index = ((aByte & (0x80 >> bit)) ? 1 : 0);
ptr[poffset] = cmap[index].r;
ptr[poffset + 1] = cmap[index].g;
ptr[poffset + 2] = cmap[index].b;
for (nibble = 0; nibble < 2; nibble++)
{
- index = ((byte & (0xF0 >> nibble * 4)) >> (!nibble * 4));
+ index = ((aByte & (0xF0 >> nibble * 4)) >> (!nibble * 4));
if (index >= 16)
index = 15;
ptr[poffset] = cmap[index].r;
{
unsigned char first;
- first = byte;
- byte = getc(file);
+ first = aByte;
+ aByte = getc(file);
if (first == 0)
{
- if (byte == 0)
+ if (aByte == 0)
{
/* column = width; */
}
- else if (byte == 1)
+ else if (aByte == 1)
{
column = width;
line = -1;
}
- else if (byte == 2)
+ else if (aByte == 2)
{
- byte = getc(file);
- column += byte;
+ aByte = getc(file);
+ column += aByte;
linepos = column * bpp / 8;
- byte = getc(file);
- line += byte;
+ aByte = getc(file);
+ line += aByte;
}
else
{
- int absolute = byte;
+ int absolute = aByte;
for (i = 0; i < absolute; i++)
{
linepos++;
- byte = getc(file);
- ptr[poffset] = cmap[byte].r;
- ptr[poffset + 1] = cmap[byte].g;
- ptr[poffset + 2] = cmap[byte].b;
+ aByte = getc(file);
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
column++;
}
if (absolute & 0x01)
- byte = getc(file);
+ aByte = getc(file);
}
}
else
{
for (i = 0; i < first; i++)
{
- ptr[poffset] = cmap[byte].r;
- ptr[poffset + 1] = cmap[byte].g;
- ptr[poffset + 2] = cmap[byte].b;
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
column++;
linepos++;
}
}
else
{
- ptr[poffset] = cmap[byte].r;
- ptr[poffset + 1] = cmap[byte].g;
- ptr[poffset + 2] = cmap[byte].b;
+ ptr[poffset] = cmap[aByte].r;
+ ptr[poffset + 1] = cmap[aByte].g;
+ ptr[poffset + 2] = cmap[aByte].b;
column++;
linepos += size;
}
}
while ((linepos < linesize) && (comp != 1) && (comp != 2))
{
- int temp = fread(&byte, 1, 1, file);
+ int temp = fread(&aByte, 1, 1, file);
linepos += temp;
if (!temp)
return TRUE;
}
+#ifdef __WXMSW__
+
+wxBitmap wxImage::ConvertToBitmap() const
+{
+
+ wxBitmap bitmap;
+ wxCHECK_MSG( Ok(), bitmap, "invalid image" );
+ int width = GetWidth();
+ int height = GetHeight();
+ bitmap.SetWidth( width );
+ bitmap.SetHeight( height );
+ bitmap.SetDepth( wxDisplayDepth() );
+
+ int headersize = sizeof(BITMAPINFOHEADER);
+ LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
+ wxCHECK_MSG( lpDIBh, bitmap, "could not allocate memory for DIB header" );
+
+// Fill in the DIB header
+ lpDIBh->bmiHeader.biSize = headersize;
+ lpDIBh->bmiHeader.biWidth = width;
+ lpDIBh->bmiHeader.biHeight = -height;
+ lpDIBh->bmiHeader.biSizeImage = width * height * 3;
+
+ lpDIBh->bmiHeader.biPlanes = 1;
+ lpDIBh->bmiHeader.biBitCount = 24;
+ lpDIBh->bmiHeader.biCompression = BI_RGB;
+ lpDIBh->bmiHeader.biClrUsed = 0;
+
+// These seem not needed for our purpose here.
+// lpDIBh->bmiHeader.biClrImportant = 0;
+// lpDIBh->bmiHeader.biXPelsPerMeter = 0;
+// lpDIBh->bmiHeader.biYPelsPerMeter = 0;
+
+ unsigned char *lpBits = (unsigned char *) malloc( width*height*3 );
+ if( !lpBits )
+ {
+ wxFAIL_MSG( "could not allocate memory for DIB" );
+ free( lpDIBh );
+ return bitmap;
+ }
+
+ unsigned char *data = GetData();
+
+ unsigned char *ptdata = data, *ptbits = lpBits;
+ for( int i=0; i<width*height; i++ )
+ {
+ *(ptbits++) = *(ptdata+2);
+ *(ptbits++) = *(ptdata+1);
+ *(ptbits++) = *(ptdata );
+ ptdata += 3;
+ }
+
+ HDC hdc = ::GetDC(NULL);
+
+ HBITMAP hbitmap;
+ hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS );
+
+// The above line is equivalent to the following two lines.
+// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
+// ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS);
+// or the following lines
+// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
+// HDC memdc = ::CreateCompatibleDC( hdc );
+// ::SelectObject( memdc, hbitmap);
+// ::SetDIBitsToDevice( memdc, 0, 0, width, height,
+// 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS);
+// ::SelectObject( memdc, 0 );
+// ::DeleteDC( memdc );
+
+ bitmap.SetHBITMAP( (WXHBITMAP) hbitmap );
+
+ if( HasMask() )
+ {
+ unsigned char r = GetMaskRed();
+ unsigned char g = GetMaskGreen();
+ unsigned char b = GetMaskBlue();
+ unsigned char zero = 0, one = 255;
+ ptdata = data;
+ ptbits = lpBits;
+ for( int i=0; i<width*height; i++ )
+ {
+ if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
+ {
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ }
+ else
+ {
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ }
+ }
+ hbitmap = ::CreateBitmap( (WORD)width, (WORD)height, 1, 1, NULL );
+ ::SetDIBits( hdc, hbitmap, 0, (WORD)height, lpBits, lpDIBh, DIB_RGB_COLORS);
+ wxMask bmpmask;
+ bmpmask.SetMaskBitmap( (WXHBITMAP) hbitmap );
+ bitmap.SetMask( &bmpmask );
+
+/* The following can also be used but is slow to run
+ wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue());
+ wxMask bmpmask( bitmap, colour );
+ bitmap.SetMask( &bmpmask );
+*/
+ }
+
+ ::ReleaseDC(NULL, hdc);
+ free(lpDIBh);
+ free(lpBits);
+
+ if( bitmap.GetHBITMAP() )
+ bitmap.SetOk( TRUE );
+ else
+ bitmap.SetOk( FALSE );
+
+ return bitmap;
+}
+
+
+wxImage::wxImage( const wxBitmap &bitmap )
+{
+ if( !bitmap.Ok() )
+ {
+ wxFAIL_MSG( "invalid bitmap" );
+ return;
+ }
+
+ int width = bitmap.GetWidth();
+ int height = bitmap.GetHeight();
+ Create( width, height );
+ unsigned char *data = GetData();
+ if( !data )
+ {
+ wxFAIL_MSG( "could not allocate data for image" );
+ return;
+ }
+
+ int headersize = sizeof(BITMAPINFOHEADER);
+ LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
+ if( !lpDIBh )
+ {
+ wxFAIL_MSG( "could not allocate data for DIB header" );
+ free( data );
+ return;
+ }
+
+// Fill in the DIB header
+ lpDIBh->bmiHeader.biSize = headersize;
+ lpDIBh->bmiHeader.biWidth = width;
+ lpDIBh->bmiHeader.biHeight = -height;
+ lpDIBh->bmiHeader.biSizeImage = width * height * 3;
+
+ lpDIBh->bmiHeader.biPlanes = 1;
+ lpDIBh->bmiHeader.biBitCount = 24;
+ lpDIBh->bmiHeader.biCompression = BI_RGB;
+ lpDIBh->bmiHeader.biClrUsed = 0;
+
+// These seem not needed for our purpose here.
+// lpDIBh->bmiHeader.biClrImportant = 0;
+// lpDIBh->bmiHeader.biXPelsPerMeter = 0;
+// lpDIBh->bmiHeader.biYPelsPerMeter = 0;
+
+ unsigned char *lpBits = (unsigned char *) malloc( width*height*3 );
+ if( !lpBits )
+ {
+ wxFAIL_MSG( "could not allocate data for DIB" );
+ free( data );
+ free( lpDIBh );
+ return;
+ }
+
+ HBITMAP hbitmap;
+ hbitmap = (HBITMAP) bitmap.GetHBITMAP();
+ HDC hdc = ::GetDC(NULL);
+ ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
+
+ unsigned char *ptdata = data, *ptbits = lpBits;
+ for( int i=0; i<width*height; i++ )
+ {
+ *(ptdata++) = *(ptbits+2);
+ *(ptdata++) = *(ptbits+1);
+ *(ptdata++) = *(ptbits );
+ ptbits += 3;
+ }
+
+ if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
+ {
+ hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
+ HDC memdc = ::CreateCompatibleDC( hdc );
+ ::SetTextColor( memdc, RGB( 0, 0, 0 ) );
+ ::SetBkColor( memdc, RGB( 255, 255, 255 ) );
+ ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
+ ::DeleteDC( memdc );
+ unsigned char r=16, g=16, b=16; // background set to RGB(16,16,16)
+ ptdata = data;
+ ptbits = lpBits;
+ for( int i=0; i<width*height; i++ )
+ {
+ if( *ptbits != 0 )
+ {
+ *(ptdata++) = r;
+ *(ptdata++) = g;
+ *(ptdata++) = b;
+ }
+ ptbits += 3;
+ }
+ SetMaskColour( r, g, b );
+ }
+
+ ::ReleaseDC(NULL, hdc);
+ free(lpDIBh);
+ free(lpBits);
+}
+
+#endif
+
}
-//-----------------------------------------------------------------------------
-// also implemented here from wxImage
-//-----------------------------------------------------------------------------
-
-/*
-class wxImage : wxGDIObject
-{
- wxImage( const wxBitmap &bitmap );
- wxBitmap ConvertToBitmap() const;
-}
-*/
-
-
-wxBitmap wxImage::ConvertToBitmap() const
-{
-
- wxBitmap bitmap;
- wxCHECK_MSG( Ok(), bitmap, "invalid image" );
- int width = GetWidth();
- int height = GetHeight();
- bitmap.SetWidth( width );
- bitmap.SetHeight( height );
- bitmap.SetDepth( wxDisplayDepth() );
-
- int headersize = sizeof(BITMAPINFOHEADER);
- LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
- wxCHECK_MSG( lpDIBh, bitmap, "could not allocate memory for DIB header" );
-
-// Fill in the DIB header
- lpDIBh->bmiHeader.biSize = headersize;
- lpDIBh->bmiHeader.biWidth = width;
- lpDIBh->bmiHeader.biHeight = -height;
- lpDIBh->bmiHeader.biSizeImage = width * height * 3;
-
- lpDIBh->bmiHeader.biPlanes = 1;
- lpDIBh->bmiHeader.biBitCount = 24;
- lpDIBh->bmiHeader.biCompression = BI_RGB;
- lpDIBh->bmiHeader.biClrUsed = 0;
-
-// These seem not needed for our purpose here.
-// lpDIBh->bmiHeader.biClrImportant = 0;
-// lpDIBh->bmiHeader.biXPelsPerMeter = 0;
-// lpDIBh->bmiHeader.biYPelsPerMeter = 0;
-
- unsigned char *lpBits = (unsigned char *) malloc( width*height*3 );
- if( !lpBits )
- {
- wxFAIL_MSG( "could not allocate memory for DIB" );
- free( lpDIBh );
- return bitmap;
- }
-
- unsigned char *data = GetData();
-
- unsigned char *ptdata = data, *ptbits = lpBits;
- for( int i=0; i<width*height; i++ )
- {
- *(ptbits++) = *(ptdata+2);
- *(ptbits++) = *(ptdata+1);
- *(ptbits++) = *(ptdata );
- ptdata += 3;
- }
-
- HDC hdc = ::GetDC(NULL);
-
- HBITMAP hbitmap;
- hbitmap = CreateDIBitmap( hdc, &(lpDIBh->bmiHeader), CBM_INIT, lpBits, lpDIBh, DIB_RGB_COLORS );
-
-// The above line is equivalent to the following two lines.
-// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
-// ::SetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS);
-// or the following lines
-// hbitmap = ::CreateCompatibleBitmap( hdc, width, height );
-// HDC memdc = ::CreateCompatibleDC( hdc );
-// ::SelectObject( memdc, hbitmap);
-// ::SetDIBitsToDevice( memdc, 0, 0, width, height,\
-// 0, 0, 0, height, (void *)lpBits, lpDIBh, DIB_RGB_COLORS);
-// ::SelectObject( memdc, 0 );
-// ::DeleteDC( memdc );
-
- bitmap.SetHBITMAP( (WXHBITMAP) hbitmap );
-
- if( HasMask() )
- {
- unsigned char r = GetMaskRed();
- unsigned char g = GetMaskGreen();
- unsigned char b = GetMaskBlue();
- unsigned char zero = 0, one = 255;
- ptdata = data;
- ptbits = lpBits;
- for( int i=0; i<width*height; i++ )
- {
- if( (*(ptdata++)!=r) | (*(ptdata++)!=g) | (*(ptdata++)!=b) )
- {
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- *(ptbits++) = zero;
- }
- else
- {
- *(ptbits++) = one;
- *(ptbits++) = one;
- *(ptbits++) = one;
- }
- }
- hbitmap = ::CreateBitmap( (WORD)width, (WORD)height, 1, 1, NULL );
- ::SetDIBits( hdc, hbitmap, 0, (WORD)height, lpBits, lpDIBh, DIB_RGB_COLORS);
- wxMask bmpmask;
- bmpmask.SetMaskBitmap( (WXHBITMAP) hbitmap );
- bitmap.SetMask( &bmpmask );
-
-/* The following can also be used but is slow to run
- wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue());
- wxMask bmpmask( bitmap, colour );
- bitmap.SetMask( &bmpmask );
-*/
- }
-
- ::ReleaseDC(NULL, hdc);
- freeDIB(lpDIBh);
- free(lpBits);
-
- if( bitmap.GetHBITMAP() )
- bitmap.SetOk( TRUE );
- else
- bitmap.SetOk( FALSE );
-
- return bitmap;
-}
-
-
-wxImage::wxImage( const wxBitmap &bitmap )
-{
- if( !bitmap.Ok() )
- {
- wxFAIL_MSG( "invalid bitmap" );
- return;
- }
-
- int width = bitmap.GetWidth();
- int height = bitmap.GetHeight();
- Create( width, height );
- unsigned char *data = GetData();
- if( !data )
- {
- wxFAIL_MSG( "could not allocate data for image" );
- return;
- }
-
- int headersize = sizeof(BITMAPINFOHEADER);
- LPBITMAPINFO lpDIBh = (BITMAPINFO *) malloc( headersize );
- if( !lpDIBh )
- {
- wxFAIL_MSG( "could not allocate data for DIB header" );
- free( data );
- return;
- }
-
-// Fill in the DIB header
- lpDIBh->bmiHeader.biSize = headersize;
- lpDIBh->bmiHeader.biWidth = width;
- lpDIBh->bmiHeader.biHeight = -height;
- lpDIBh->bmiHeader.biSizeImage = width * height * 3;
-
- lpDIBh->bmiHeader.biPlanes = 1;
- lpDIBh->bmiHeader.biBitCount = 24;
- lpDIBh->bmiHeader.biCompression = BI_RGB;
- lpDIBh->bmiHeader.biClrUsed = 0;
-
-// These seem not needed for our purpose here.
-// lpDIBh->bmiHeader.biClrImportant = 0;
-// lpDIBh->bmiHeader.biXPelsPerMeter = 0;
-// lpDIBh->bmiHeader.biYPelsPerMeter = 0;
-
- unsigned char *lpBits = (unsigned char *) malloc( width*height*3 );
- if( !lpBits )
- {
- wxFAIL_MSG( "could not allocate data for DIB" );
- free( data );
- free( lpDIBh );
- return;
- }
-
- HBITMAP hbitmap;
- hbitmap = (HBITMAP) bitmap.GetHBITMAP();
- HDC hdc = ::GetDC(NULL);
- ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-
- unsigned char *ptdata = data, *ptbits = lpBits;
- for( int i=0; i<width*height; i++ )
- {
- *(ptdata++) = *(ptbits+2);
- *(ptdata++) = *(ptbits+1);
- *(ptdata++) = *(ptbits );
- ptbits += 3;
- }
-
- if( bitmap.GetMask() && bitmap.GetMask()->GetMaskBitmap() )
- {
- hbitmap = (HBITMAP) bitmap.GetMask()->GetMaskBitmap();
- HDC memdc = ::CreateCompatibleDC( hdc );
- ::SetTextColor( memdc, RGB( 0, 0, 0 ) );
- ::SetBkColor( memdc, RGB( 255, 255, 255 ) );
- ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
- ::DeleteDC( memdc );
- unsigned char r=16, g=16, b=16; // background set to RGB(16,16,16)
- ptdata = data;
- ptbits = lpBits;
- for( int i=0; i<width*height; i++ )
- {
- if( *ptbits != 0 )
- {
- *(ptdata++) = r;
- *(ptdata++) = g;
- *(ptdata++) = b;
- }
- ptbits += 3;
- }
- SetMaskColour( r, g, b );
- }
-
- ::ReleaseDC(NULL, hdc);
- freeDIB(lpDIBh);
- free(lpBits);
-}
-
-