#include "wx/msw/private.h"
#include "wx/log.h"
+#if !defined(__WXMICROWIN__)
#include "wx/msw/dib.h"
+#endif
+
#include "wx/image.h"
+#include "wx/xpmdecod.h"
// missing from mingw32 header
#ifndef CLR_INVALID
bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon)
{
+#ifndef __WXMICROWIN__
// it may be either HICON or HCURSOR
HICON hicon = (HICON)icon.GetHandle();
#endif // WXWIN_COMPATIBILITY_2
return TRUE;
+#else
+ return FALSE;
+#endif
}
#endif // Win32
{
Init();
+#ifndef __WXMICROWIN__
wxBitmapRefData *refData = new wxBitmapRefData;
m_refData = refData;
// we assume that it is in XBM format which is not quite the same as
// the format CreateBitmap() wants because the order of bytes in the
// line is inversed!
- static const size_t bytesPerLine = (width + 7) / 8;
- static const size_t padding = bytesPerLine % 2;
- static const size_t len = height * ( padding + bytesPerLine );
+ const size_t bytesPerLine = (width + 7) / 8;
+ const size_t padding = bytesPerLine % 2;
+ const size_t len = height * ( padding + bytesPerLine );
data = (char *)malloc(len);
const char *src = bits;
char *dst = data;
}
SetHBITMAP((WXHBITMAP)hbmp);
+#endif
}
// Create from XPM data
bool wxBitmap::CreateFromXpm(const char **data)
{
+#if wxUSE_IMAGE && wxUSE_XPM
Init();
- return Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0);
+ wxCHECK_MSG( data != NULL, FALSE, wxT("invalid bitmap data") )
+
+ wxXPMDecoder decoder;
+ wxImage img = decoder.ReadData(data);
+ wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid bitmap data") )
+
+ *this = wxBitmap(img);
+ return TRUE;
+#else
+ return FALSE;
+#endif
}
wxBitmap::wxBitmap(int w, int h, int d)
(void)Create(data, type, width, height, depth);
}
-wxBitmap::wxBitmap(const wxString& filename, long type)
+wxBitmap::wxBitmap(const wxString& filename, wxBitmapType type)
{
Init();
bool wxBitmap::Create(int w, int h, int d)
{
+#ifndef __WXMICROWIN__
UnRef();
m_refData = new wxBitmapRefData;
#if WXWIN_COMPATIBILITY_2
GetBitmapData()->m_ok = hbmp != 0;
#endif // WXWIN_COMPATIBILITY_2
-
return Ok();
+#else
+ return FALSE;
+#endif
}
+// ----------------------------------------------------------------------------
+// wxImage to/from conversions
+// ----------------------------------------------------------------------------
+
+#if wxUSE_IMAGE
+
+bool wxBitmap::CreateFromImage( const wxImage& image, int depth )
+{
+#ifdef __WXMICROWIN__
+ // TODO
+ return FALSE;
+#else
+ wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
+
+ m_refData = new wxBitmapRefData();
+
+ // 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 = image.GetWidth();
+ int bmpHeight = image.GetHeight();
+
+ // calc the number of bytes per scanline and padding
+ int bytePerLine = width*3;
+ int sizeDWORD = sizeof( DWORD );
+ int lineBoundary = bytePerLine % sizeDWORD;
+ int padding = 0;
+ if( lineBoundary > 0 )
+ {
+ padding = sizeDWORD - lineBoundary;
+ bytePerLine += padding;
+ }
+ // calc the number of DIBs and heights of DIBs
+ int numDIB = 1;
+ int hRemain = 0;
+ int height = sizeLimit/bytePerLine;
+ if( height >= bmpHeight )
+ height = bmpHeight;
+ else
+ {
+ numDIB = bmpHeight / height;
+ hRemain = bmpHeight % height;
+ if( hRemain >0 ) numDIB++;
+ }
+
+ // set bitmap parameters
+ wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") );
+ SetWidth( width );
+ SetHeight( bmpHeight );
+ if (depth == -1) depth = wxDisplayDepth();
+ SetDepth( depth );
+
+ // create a DIB header
+ int headersize = sizeof(BITMAPINFOHEADER);
+ BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize );
+ wxCHECK_MSG( lpDIBh, FALSE, wxT("could not allocate memory for DIB header") );
+ // Fill in the DIB header
+ lpDIBh->bmiHeader.biSize = headersize;
+ lpDIBh->bmiHeader.biWidth = (DWORD)width;
+ lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
+ lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
+ // the general formula for biSizeImage:
+ // ( ( ( ((DWORD)width*24) +31 ) & ~31 ) >> 3 ) * height;
+ lpDIBh->bmiHeader.biPlanes = 1;
+ lpDIBh->bmiHeader.biBitCount = 24;
+ lpDIBh->bmiHeader.biCompression = BI_RGB;
+ lpDIBh->bmiHeader.biClrUsed = 0;
+ // These seem not really needed for our purpose here.
+ lpDIBh->bmiHeader.biClrImportant = 0;
+ lpDIBh->bmiHeader.biXPelsPerMeter = 0;
+ lpDIBh->bmiHeader.biYPelsPerMeter = 0;
+ // memory for DIB data
+ unsigned char *lpBits;
+ lpBits = (unsigned char *)malloc( lpDIBh->bmiHeader.biSizeImage );
+ if( !lpBits )
+ {
+ wxFAIL_MSG( wxT("could not allocate memory for DIB") );
+ free( lpDIBh );
+ return FALSE;
+ }
+
+ // 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);
+
+ HPALETTE hOldPalette = 0;
+ if (image.GetPalette().Ok())
+ {
+ hOldPalette = ::SelectPalette(memdc, (HPALETTE) image.GetPalette().GetHPALETTE(), FALSE);
+ ::RealizePalette(memdc);
+ }
+
+ // copy image data into DIB data and then into DDB (in a loop)
+ unsigned char *data = image.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;
+ lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
+ lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
+ }
+ ptbits = lpBits;
+
+ for( j=0; j<height; j++ )
+ {
+ for( i=0; i<width; i++ )
+ {
+ *(ptbits++) = *(ptdata+2);
+ *(ptbits++) = *(ptdata+1);
+ *(ptbits++) = *(ptdata );
+ ptdata += 3;
+ }
+ for( i=0; i< padding; i++ ) *(ptbits++) = 0;
+ }
+ ::StretchDIBits( memdc, 0, origin, width, height,\
+ 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
+ origin += height;
+ // if numDIB = 1, lines below can also be used
+ // 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 );
+ }
+ SetHBITMAP( (WXHBITMAP) hbitmap );
+
+ if (hOldPalette)
+ SelectPalette(memdc, hOldPalette, FALSE);
+
+ // similarly, created an mono-bitmap for the possible mask
+ if( image.HasMask() )
+ {
+ hbitmap = ::CreateBitmap( (WORD)width, (WORD)bmpHeight, 1, 1, NULL );
+ HGDIOBJ hbmpOld = ::SelectObject( memdc, hbitmap);
+ if( numDIB == 1 ) height = bmpHeight;
+ else height = sizeLimit/bytePerLine;
+ lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
+ lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
+ origin = 0;
+ unsigned char r = image.GetMaskRed();
+ unsigned char g = image.GetMaskGreen();
+ unsigned char b = image.GetMaskBlue();
+ unsigned char zero = 0, one = 255;
+ ptdata = data;
+ 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;
+ lpDIBh->bmiHeader.biHeight = (DWORD)(-height);
+ lpDIBh->bmiHeader.biSizeImage = bytePerLine*height;
+ }
+ ptbits = lpBits;
+ for( int j=0; j<height; j++ )
+ {
+ for(i=0; i<width; i++ )
+ {
+ // was causing a code gen bug in cw : if( ( cr !=r) || (cg!=g) || (cb!=b) )
+ unsigned char cr = (*(ptdata++)) ;
+ unsigned char cg = (*(ptdata++)) ;
+ unsigned char cb = (*(ptdata++)) ;
+
+ if( ( cr !=r) || (cg!=g) || (cb!=b) )
+ {
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ *(ptbits++) = one;
+ }
+ else
+ {
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ *(ptbits++) = zero;
+ }
+ }
+ for( i=0; i< padding; i++ ) *(ptbits++) = zero;
+ }
+ ::StretchDIBits( memdc, 0, origin, width, height,\
+ 0, 0, width, height, lpBits, lpDIBh, DIB_RGB_COLORS, SRCCOPY);
+ origin += height;
+ }
+ // create a wxMask object
+ wxMask *mask = new wxMask();
+ mask->SetMaskBitmap( (WXHBITMAP) hbitmap );
+ SetMask( mask );
+ // It will be deleted when the wxBitmap object is deleted (as of 01/1999)
+ /* The following can also be used but is slow to run
+ wxColour colour( GetMaskRed(), GetMaskGreen(), GetMaskBlue());
+ wxMask *mask = new wxMask( *this, colour );
+ SetMask( mask );
+ */
+
+ ::SelectObject( memdc, hbmpOld );
+ }
+
+ // free allocated resources
+ ::DeleteDC( memdc );
+ ::ReleaseDC(NULL, hdc);
+ free(lpDIBh);
+ free(lpBits);
+
+#if WXWIN_COMPATIBILITY_2
+ // check the wxBitmap object
+ GetBitmapData()->SetOk();
+#endif // WXWIN_COMPATIBILITY_2
+
+ if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+
+ return TRUE;
+#endif
+}
+
+wxImage wxBitmap::ConvertToImage() const
+{
+#ifdef __WXMICROWIN__
+ // TODO
+ return wxImage();
+#else
+ wxImage image;
+
+ wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+
+ // create an wxImage object
+ int width = GetWidth();
+ int height = GetHeight();
+ image.Create( width, height );
+ unsigned char *data = image.GetData();
+ if( !data )
+ {
+ wxFAIL_MSG( wxT("could not allocate data for image") );
+ return wxNullImage;
+ }
+
+ // calc the number of bytes per scanline and padding in the DIB
+ int bytePerLine = width*3;
+ int sizeDWORD = sizeof( DWORD );
+ int lineBoundary = bytePerLine % sizeDWORD;
+ int padding = 0;
+ if( lineBoundary > 0 )
+ {
+ padding = sizeDWORD - lineBoundary;
+ bytePerLine += padding;
+ }
+
+ // create a DIB header
+ int headersize = sizeof(BITMAPINFOHEADER);
+ BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize );
+ if( !lpDIBh )
+ {
+ wxFAIL_MSG( wxT("could not allocate data for DIB header") );
+ free( data );
+ return wxNullImage;
+ }
+ // Fill in the DIB header
+ lpDIBh->bmiHeader.biSize = headersize;
+ lpDIBh->bmiHeader.biWidth = width;
+ lpDIBh->bmiHeader.biHeight = -height;
+ lpDIBh->bmiHeader.biSizeImage = bytePerLine * height;
+ lpDIBh->bmiHeader.biPlanes = 1;
+ lpDIBh->bmiHeader.biBitCount = 24;
+ lpDIBh->bmiHeader.biCompression = BI_RGB;
+ lpDIBh->bmiHeader.biClrUsed = 0;
+ // These seem not really needed for our purpose here.
+ lpDIBh->bmiHeader.biClrImportant = 0;
+ lpDIBh->bmiHeader.biXPelsPerMeter = 0;
+ lpDIBh->bmiHeader.biYPelsPerMeter = 0;
+ // memory for DIB data
+ unsigned char *lpBits;
+ lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
+ if( !lpBits )
+ {
+ wxFAIL_MSG( wxT("could not allocate data for DIB") );
+ free( data );
+ free( lpDIBh );
+ return wxNullImage;
+ }
+
+ // copy data from the device-dependent bitmap to the DIB
+ HDC hdc = ::GetDC(NULL);
+ HBITMAP hbitmap;
+ hbitmap = (HBITMAP) 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;
+ unsigned char *ptbits = lpBits;
+ for( i=0; i<height; i++ )
+ {
+ for( j=0; j<width; j++ )
+ {
+ *(ptdata++) = *(ptbits+2);
+ *(ptdata++) = *(ptbits+1);
+ *(ptdata++) = *(ptbits );
+ ptbits += 3;
+ }
+ ptbits += padding;
+ }
+
+ // similarly, set data according to the possible mask bitmap
+ if( GetMask() && GetMask()->GetMaskBitmap() )
+ {
+ hbitmap = (HBITMAP) GetMask()->GetMaskBitmap();
+ // memory DC created, color set, data copied, and memory DC deleted
+ 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 );
+ // background color set to RGB(16,16,16) in consistent with wxGTK
+ unsigned char r=16, g=16, b=16;
+ ptdata = data;
+ ptbits = lpBits;
+ for( i=0; i<height; i++ )
+ {
+ for( j=0; j<width; j++ )
+ {
+ if( *ptbits != 0 )
+ ptdata += 3;
+ else
+ {
+ *(ptdata++) = r;
+ *(ptdata++) = g;
+ *(ptdata++) = b;
+ }
+ ptbits += 3;
+ }
+ ptbits += padding;
+ }
+ image.SetMaskColour( r, g, b );
+ image.SetMask( TRUE );
+ }
+ else
+ {
+ image.SetMask( FALSE );
+ }
+ // free allocated resources
+ ::ReleaseDC(NULL, hdc);
+ free(lpDIBh);
+ free(lpBits);
+
+ return image;
+#endif
+}
+
+#endif // wxUSE_IMAGE
+
bool wxBitmap::LoadFile(const wxString& filename, long type)
{
UnRef();
return handler->LoadFile(this, filename, type, -1, -1);
}
+#if wxUSE_IMAGE
else
{
wxImage image;
- if ( !image.LoadFile( filename, type ) || !image.Ok() )
- return FALSE;
-
- *this = image.ConvertToBitmap();
+ if ( image.LoadFile( filename, type ) && image.Ok() )
+ {
+ *this = image.ConvertToBitmap();
- return TRUE;
+ return TRUE;
+ }
}
+#endif // wxUSE_IMAGE
+
+ return FALSE;
}
bool wxBitmap::Create(void *data, long type, int width, int height, int depth)
{
return handler->SaveFile(this, filename, type, palette);
}
+#if wxUSE_IMAGE
else
{
// FIXME what about palette? shouldn't we use it?
wxImage image( *this );
- if (!image.Ok())
- return FALSE;
-
- return image.SaveFile( filename, type );
+ if ( image.Ok() )
+ {
+ return image.SaveFile(filename, type);
+ }
}
+#endif // wxUSE_IMAGE
+
+ return FALSE;
}
// ----------------------------------------------------------------------------
wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
{
+#ifndef __WXMICROWIN__
wxCHECK_MSG( Ok() &&
(rect.x >= 0) && (rect.y >= 0) &&
(rect.x+rect.width <= GetWidth()) &&
DeleteDC(dcSrc);
return ret;
+#else
+ return wxBitmap();
+#endif
}
// ----------------------------------------------------------------------------
// Contributed by Frederic Villeneuve <frederic.villeneuve@natinst.com>
wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const
{
+#ifdef __WXMICROWIN__
+ return wxBitmap();
+#else
wxMemoryDC memDC;
wxBitmap tmpBitmap(GetWidth(), GetHeight(), dc.GetDepth());
HPALETTE hPal = (HPALETTE) NULL;
wxFreeDIB(lpDib);
return tmpBitmap;
+#endif
}
// ----------------------------------------------------------------------------
// Create a mask from a mono bitmap (copies the bitmap).
bool wxMask::Create(const wxBitmap& bitmap)
{
+#ifndef __WXMICROWIN__
wxCHECK_MSG( bitmap.Ok() && bitmap.GetDepth() == 1, FALSE,
_T("can't create mask from invalid or not monochrome bitmap") );
SelectObject(destDC, 0);
DeleteDC(destDC);
return TRUE;
+#else
+ return FALSE;
+#endif
}
// Create a mask from a bitmap and a palette index indicating
// the transparent area
bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
{
+#ifndef __WXMICROWIN__
wxCHECK_MSG( bitmap.Ok(), FALSE, _T("invalid bitmap in wxMask::Create") );
if ( m_maskBitmap )
bool ok = TRUE;
+ // SelectObject() will fail
+ wxASSERT_MSG( !bitmap.GetSelectedInto(),
+ _T("bitmap can't be selected in another DC") );
+
HGDIOBJ hbmpSrcOld = ::SelectObject(srcDC, GetHbitmapOf(bitmap));
if ( !hbmpSrcOld )
{
::DeleteDC(destDC);
return ok;
+#else
+ return FALSE;
+#endif
}
// ----------------------------------------------------------------------------
// DIB functions
// ----------------------------------------------------------------------------
+#ifndef __WXMICROWIN__
bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel,
HPALETTE hPal, LPBITMAPINFO* lpDIBHeader)
{
{
free(lpDIBHeader);
}
+#endif
// ----------------------------------------------------------------------------
// other helper functions
extern HBITMAP wxInvertMask(HBITMAP hbmpMask, int w, int h)
{
+#ifndef __WXMICROWIN__
wxCHECK_MSG( hbmpMask, 0, _T("invalid bitmap in wxInvertMask") );
// get width/height from the bitmap if not given
::DeleteDC(hdcDst);
return hbmpInvMask;
+#else
+ return 0;
+#endif
}
projects / wxWidgets.git / blobdiff