X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b823f5a145f4823ce823591824855c34204936e4..520e470fdd0daef09c77938db642e4583933c90d:/src/msw/bitmap.cpp diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp index fe0edb9f12..44099f7598 100644 --- a/src/msw/bitmap.cpp +++ b/src/msw/bitmap.cpp @@ -36,7 +36,7 @@ #include "assert.h" -#if USE_XPM_IN_MSW +#if wxUSE_XPM_IN_MSW #define FOR_MSW 1 #include "../../contrib/wxxpm/libxpm.34b/lib/xpm34.h" #endif @@ -84,8 +84,6 @@ wxList wxBitmap::sm_handlers; wxBitmap::wxBitmap(void) { - m_refData = NULL; // new wxBitmapRefData; - if ( wxTheBitmapList ) wxTheBitmapList->AddBitmap(this); } @@ -133,7 +131,7 @@ wxBitmap::wxBitmap(const char bits[], int the_width, int the_height, int no_bits M_BITMAPDATA->m_depth = no_bits ; M_BITMAPDATA->m_numColors = 0; - M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(the_width, the_height, no_bits, 1, bits); + M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(the_width, the_height, 1, no_bits, bits); if (M_BITMAPDATA->m_hBitmap) M_BITMAPDATA->m_ok = TRUE; @@ -170,7 +168,7 @@ wxBitmap::wxBitmap(const wxString& filename, long type) wxTheBitmapList->AddBitmap(this); } -#if USE_XPM_IN_MSW +#if wxUSE_XPM_IN_MSW // Create from data wxBitmap::wxBitmap(const char **data, wxItem *WXUNUSED(anItem)) { @@ -190,7 +188,7 @@ bool wxBitmap::Create(int w, int h, int d) if (d > 0) { - M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(w, h, d, 1, NULL); + M_BITMAPDATA->m_hBitmap = (WXHBITMAP) CreateBitmap(w, h, 1, d, NULL); } else { @@ -379,6 +377,47 @@ wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) return NULL; } +// New Create/FreeDIB functions since ones in dibutils.cpp are confusing +static long createDIB(long xSize, long ySize, long bitsPerPixel, + HPALETTE hPal, LPBITMAPINFO* lpDIBHeader); +static long freeDIB(LPBITMAPINFO lpDIBHeader); + +// Creates a bitmap that matches the device context, from +// an arbitray bitmap. At present, the original bitmap must have an +// associated palette. TODO: use a default palette if no palette exists. +// Contributed by Frederic Villeneuve +wxBitmap wxBitmap::GetBitmapForDC(wxDC& dc) const +{ + wxMemoryDC memDC; + wxBitmap tmpBitmap(this->GetWidth(), this->GetHeight(), dc.GetDepth()); + HPALETTE hPal = NULL; + LPBITMAPINFO lpDib; + void *lpBits = NULL; + + wxASSERT( this->GetPalette() && this->GetPalette()->Ok() && (this->GetPalette()->GetHPALETTE() != 0) ); + + tmpBitmap.SetPalette(this->GetPalette()); + memDC.SelectObject(tmpBitmap); + memDC.SetPalette(this->GetPalette()); + + hPal = (HPALETTE) this->GetPalette()->GetHPALETTE(); + + // set the height negative because in a DIB the order of the lines is reversed + createDIB(this->GetWidth(), -this->GetHeight(), this->GetDepth(), hPal, &lpDib); + + lpBits = malloc(lpDib->bmiHeader.biSizeImage); + + ::GetBitmapBits((HBITMAP)GetHBITMAP(), lpDib->bmiHeader.biSizeImage, lpBits); + + ::SetDIBitsToDevice((HDC) memDC.GetHDC(), 0, 0, this->GetWidth(), this->GetHeight(), + 0, 0, 0, this->GetHeight(), lpBits, lpDib, DIB_RGB_COLORS); + + free(lpBits); + + freeDIB(lpDib); + return (tmpBitmap); +} + /* * wxMask */ @@ -573,7 +612,7 @@ bool wxBMPResourceHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long GetObject((HBITMAP) M_BITMAPHANDLERDATA->m_hBitmap, sizeof(BITMAP), (LPSTR) &bm); M_BITMAPHANDLERDATA->m_width = bm.bmWidth; M_BITMAPHANDLERDATA->m_height = bm.bmHeight; - M_BITMAPHANDLERDATA->m_depth = bm.bmPlanes; + M_BITMAPHANDLERDATA->m_depth = bm.bmBitsPixel; return TRUE; } @@ -603,7 +642,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxBMPFileHandler, wxBitmapHandler) bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight) { -#if USE_IMAGE_LOADING_IN_MSW +#if wxUSE_IMAGE_LOADING_IN_MSW wxPalette *palette = NULL; bool success = FALSE; /* @@ -627,7 +666,7 @@ bool wxBMPFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long fla bool wxBMPFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *pal) { -#if USE_IMAGE_LOADING_IN_MSW +#if wxUSE_IMAGE_LOADING_IN_MSW wxPalette *actualPalette = (wxPalette *)pal; if (!actualPalette && (!M_BITMAPHANDLERDATA->m_bitmapPalette.IsNull())) actualPalette = & (M_BITMAPHANDLERDATA->m_bitmapPalette); @@ -657,7 +696,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long flags, int desiredWidth, int desiredHeight) { -#if USE_XPM_IN_MSW +#if wxUSE_XPM_IN_MSW XImage *ximage; XpmAttributes xpmAttr; HDC dc; @@ -699,7 +738,7 @@ bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long fla bool wxXPMFileHandler::SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette) { -#if USE_XPM_IN_MSW +#if wxUSE_XPM_IN_MSW HDC dc = NULL; Visual *visual = NULL; @@ -749,7 +788,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) bool wxXPMDataHandler::Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth) { -#if USE_XPM_IN_MSW +#if wxUSE_XPM_IN_MSW XImage *ximage; int ErrorStatus; XpmAttributes xpmAttr; @@ -821,4 +860,66 @@ void wxBitmap::InitStandardHandlers(void) AddHandler(new wxXPMDataHandler); AddHandler(new wxICOResourceHandler); AddHandler(new wxICOFileHandler); -} \ No newline at end of file +} + +static long createDIB(long xSize, long ySize, long bitsPerPixel, + HPALETTE hPal, LPBITMAPINFO* lpDIBHeader) +{ + unsigned long i, headerSize; + LPBITMAPINFO lpDIBheader = NULL; + LPPALETTEENTRY lpPe = NULL; + + + // Allocate space for a DIB header + headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY))); + lpDIBheader = (BITMAPINFO *) malloc(headerSize); + lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER)); + + GetPaletteEntries(hPal, 0, 256, lpPe); + + + memset(lpDIBheader, 0x00, sizeof(BITMAPINFOHEADER)); + + + // Fill in the static parts of the DIB header + lpDIBheader->bmiHeader.biSize = sizeof(BITMAPINFOHEADER); + lpDIBheader->bmiHeader.biWidth = xSize; + lpDIBheader->bmiHeader.biHeight = ySize; + lpDIBheader->bmiHeader.biPlanes = 1; + + // this value must be 1, 4, 8 or 24 so PixelDepth can only be + lpDIBheader->bmiHeader.biBitCount = (WORD)(bitsPerPixel); + lpDIBheader->bmiHeader.biCompression = BI_RGB; + lpDIBheader->bmiHeader.biSizeImage = xSize * abs(ySize) * bitsPerPixel >> +3; + lpDIBheader->bmiHeader.biClrUsed = 256; + + + // Initialize the DIB palette + for (i = 0; i < 256; i++) { + lpDIBheader->bmiColors[i].rgbReserved = lpPe[i].peFlags; + lpDIBheader->bmiColors[i].rgbRed = lpPe[i].peRed; + lpDIBheader->bmiColors[i].rgbGreen = lpPe[i].peGreen; + lpDIBheader->bmiColors[i].rgbBlue = lpPe[i].peBlue; + } + + *lpDIBHeader = lpDIBheader; + + + return (0); + +} + + + +static long freeDIB(LPBITMAPINFO lpDIBHeader) +{ + + if (lpDIBHeader != NULL) { + free(lpDIBHeader); + } + + return (0); +} + +