X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/bc797f4cc8ffe36277ba8b7dd4b57e63a96bfcb5..71185527a05c27931cd65359c1b23f0018b646ed:/src/x11/bitmap.cpp diff --git a/src/x11/bitmap.cpp b/src/x11/bitmap.cpp index 9e919994ab..b35d0861ac 100644 --- a/src/x11/bitmap.cpp +++ b/src/x11/bitmap.cpp @@ -1,1344 +1,1622 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.cpp +// Name: src/x11/bitmap.cpp // Purpose: wxBitmap -// Author: Julian Smart +// Author: Julian Smart, Robert Roebling // Modified by: // Created: 17/09/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart +// Copyright: (c) Julian Smart, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ -#pragma implementation "bitmap.h" -#endif +// for compilers that support precompilation, includes "wx.h". +#include "wx/wxprec.h" -#include "wx/setup.h" -#include "wx/utils.h" -#include "wx/palette.h" #include "wx/bitmap.h" -#include "wx/icon.h" -#include "wx/log.h" -#include "wx/control.h" -#include "wx/dcmemory.h" -#include "wx/image.h" -#include "wx/app.h" - -#ifdef __VMS__ -#pragma message disable nosimpint -#endif -#ifdef __VMS__ -#pragma message enable nosimpint + +#ifndef WX_PRECOMP + #include "wx/log.h" + #include "wx/app.h" + #include "wx/dcmemory.h" + #include "wx/icon.h" + #include "wx/math.h" + #include "wx/image.h" #endif #include "wx/x11/private.h" -#if wxHAVE_LIB_XPM - #include +/* No point in using libXPM for NanoX */ +#if wxUSE_NANOX +#undef wxHAVE_LIB_XPM +#define wxHAVE_LIB_XPM 0 + +// Copy from the drawable to the wxImage +bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image); #endif -#include +static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap, + int x, int y, int width, int height, + int depth ); -IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) -IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) +#if wxUSE_XPM +#if wxHAVE_LIB_XPM +#include +#else +#include "wx/xpmdecod.h" +#include "wx/wfstream.h" +#endif +#endif -wxBitmapRefData::wxBitmapRefData() -{ - m_ok = FALSE; - m_width = 0; - m_height = 0; - m_depth = 0; - m_quality = 0; - m_numColors = 0; - m_bitmapMask = NULL; +//----------------------------------------------------------------------------- +// wxMask +//----------------------------------------------------------------------------- - m_pixmap = (WXPixmap) 0; - m_display = (WXDisplay*) 0; +IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) - m_freePixmap = TRUE; //TODO: necessary? - m_freeColors = (unsigned long*) 0; - m_freeColorsCount = 0; +wxMask::wxMask() +{ + m_bitmap = NULL; + m_display = NULL; } -wxBitmapRefData::~wxBitmapRefData() +wxMask::wxMask(const wxMask& mask) { - if (m_pixmap && m_freePixmap) - XFreePixmap ((Display*) m_display, (Pixmap) m_pixmap); - - if (m_freeColors) + m_display = mask.m_display; + if ( !mask.m_bitmap ) { - int screen = DefaultScreen((Display*) m_display); - Colormap cmp = DefaultColormap((Display*) m_display,screen); - long llp; - for(llp = 0;llp < m_freeColorsCount;llp++) - XFreeColors((Display*) m_display, cmp, &m_freeColors[llp], 1, 0L); - delete m_freeColors; - }; - - if (m_bitmapMask) - delete m_bitmapMask; - m_bitmapMask = NULL; -} - -wxList wxBitmap::sm_handlers; + m_bitmap = NULL; + return; + } -#define M_BMPDATA ((wxBitmapRefData *)m_refData) + m_size = mask.m_size; -wxBitmap::wxBitmap() -{ - m_refData = NULL; + // Duplicate the mask bitmap using the existing wxGetSubPixmap() function. + // There are probably/surely better ways to do it. + m_bitmap = wxGetSubPixmap(m_display, mask.m_bitmap, + 0, 0, m_size.x, m_size.y, + 1); } -wxBitmap::~wxBitmap() +wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { + m_bitmap = NULL; + Create( bitmap, colour ); } -wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) +wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { - m_refData = new wxBitmapRefData; - - (void) Create((void*) bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth); + m_bitmap = NULL; + Create( bitmap, paletteIndex ); } -wxBitmap::wxBitmap(int w, int h, int d) +wxMask::wxMask( const wxBitmap& bitmap ) { - (void)Create(w, h, d); + m_bitmap = NULL; + Create( bitmap ); } -wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) +wxMask::~wxMask() { - (void) Create(data, type, width, height, depth); + if (m_bitmap) + XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); } -wxBitmap::wxBitmap(const wxString& filename, long type) +bool wxMask::Create( const wxBitmap& bitmap, + const wxColour& colour ) { - LoadFile(filename, (int)type); -} + m_size = bitmap.GetSize(); -wxBitmap::wxBitmap(char **data) -{ - (void) Create((void *)data, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); -} +#if !wxUSE_NANOX + if (m_bitmap) + { + XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); + m_bitmap = NULL; + } -bool wxBitmap::Create(int w, int h, int d) -{ - UnRef(); + m_display = bitmap.GetDisplay(); - m_refData = new wxBitmapRefData; + wxImage image = bitmap.ConvertToImage(); + if (!image.IsOk()) return false; - if (d < 1) - d = wxDisplayDepth(); + m_display = bitmap.GetDisplay(); - M_BITMAPDATA->m_width = w; - M_BITMAPDATA->m_height = h; - M_BITMAPDATA->m_depth = d; - M_BITMAPDATA->m_freePixmap = TRUE; + Display *xdisplay = (Display*) m_display; + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); - Display *dpy = (Display*) wxGetDisplay(); + m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 ); + GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL ); - M_BITMAPDATA->m_display = dpy; /* MATTHEW: [4] Remember the display */ + XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) ); + XSetFillStyle( xdisplay, gc, FillSolid ); + XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 0, 0, image.GetWidth(), image.GetHeight() ); - M_BITMAPDATA->m_pixmap = (WXPixmap) XCreatePixmap (dpy, RootWindow (dpy, DefaultScreen (dpy)), - w, h, d); + unsigned char *data = image.GetData(); + int index = 0; - M_BITMAPDATA->m_ok = (M_BITMAPDATA->m_pixmap != (WXPixmap) 0) ; - return M_BITMAPDATA->m_ok; -} + unsigned char red = colour.Red(); + unsigned char green = colour.Green(); + unsigned char blue = colour.Blue(); -bool wxBitmap::LoadFile(const wxString& filename, long type) -{ - UnRef(); + int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth; - m_refData = new wxBitmapRefData; + if (bpp == 15) + { + red &= 0xf8; + green &= 0xf8; + blue &= 0xf8; + } else + if (bpp == 16) + { + red &= 0xf8; + green &= 0xfc; + blue &= 0xf8; + } else + if (bpp == 12) + { + red &= 0xf0; + green &= 0xf0; + blue &= 0xf0; + } - wxBitmapHandler *handler = FindHandler(type); + XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) ); - if ( handler == NULL ) { - wxImage image; - if (!image.LoadFile( filename, type )) return FALSE; - if (image.Ok()) + int width = image.GetWidth(); + int height = image.GetHeight(); + for (int j = 0; j < height; j++) + { + int start_x = -1; + int i; + for (i = 0; i < width; i++) { - *this = image.ConvertToBitmap(); - return TRUE; + if ((data[index] == red) && + (data[index+1] == green) && + (data[index+2] == blue)) + { + if (start_x == -1) + start_x = i; + } + else + { + if (start_x != -1) + { + XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i-1, j ); + start_x = -1; + } + } + index += 3; } - else return FALSE; + if (start_x != -1) + XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j ); } - return handler->LoadFile(this, filename, type, -1, -1); + XFreeGC( xdisplay, gc ); + + return true; +#else + return false; +#endif + // wxUSE_NANOX } -bool wxBitmap::Create(void *data, long type, int width, int height, int depth) +bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) { - UnRef(); + unsigned char r,g,b; + wxPalette *pal = bitmap.GetPalette(); - m_refData = new wxBitmapRefData; + wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); - wxBitmapHandler *handler = FindHandler(type); + pal->GetRGB(paletteIndex, &r, &g, &b); - if ( handler == NULL ) { - wxLogWarning("no data bitmap handler for type %d defined.", type); + return Create(bitmap, wxColour(r, g, b)); +} - return FALSE; +bool wxMask::Create( const wxBitmap& bitmap ) +{ +#if !wxUSE_NANOX + if (m_bitmap) + { + XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); + m_bitmap = NULL; } - return handler->Create(this, data, type, width, height, depth); -} + if (!bitmap.IsOk()) return false; -bool wxBitmap::SaveFile(const wxString& filename, int type, const wxPalette *palette) -{ - wxBitmapHandler *handler = FindHandler(type); + wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); - if ( handler == NULL ) { // try wxImage - wxImage image( *this ); - if (image.Ok()) return image.SaveFile( filename, type ); - else return FALSE; - } + m_display = bitmap.GetDisplay(); - return handler->SaveFile(this, filename, type, palette); -} + int xscreen = DefaultScreen( (Display*) m_display ); + Window xroot = RootWindow( (Display*) m_display, xscreen ); -void wxBitmap::SetWidth(int w) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); - M_BITMAPDATA->m_width = w; -} + if (!m_bitmap) return false; -void wxBitmap::SetHeight(int h) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL ); - M_BITMAPDATA->m_height = h; -} + XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap, + gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 ); -void wxBitmap::SetDepth(int d) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + XFreeGC( (Display*) m_display, gc ); - M_BITMAPDATA->m_depth = d; + return true; +#else + return false; +#endif + // wxUSE_NANOX } -void wxBitmap::SetQuality(int q) +//----------------------------------------------------------------------------- +// wxBitmapRefData +//----------------------------------------------------------------------------- + +class wxBitmapRefData : public wxGDIRefData { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; +public: + wxBitmapRefData(); + wxBitmapRefData(const wxBitmapRefData& data); + virtual ~wxBitmapRefData(); + + // shouldn't be called more than once as it doesn't free the existing data + bool Create(int width, int height, int depth); + + virtual bool IsOk() const { return m_pixmap || m_bitmap; } + + Pixmap m_pixmap; + Pixmap m_bitmap; + Display *m_display; + wxMask *m_mask; + int m_width; + int m_height; + int m_bpp; + wxPalette *m_palette; +}; - M_BITMAPDATA->m_quality = q; +wxBitmapRefData::wxBitmapRefData() +{ + m_pixmap = 0; + m_bitmap = 0; + m_display = NULL; + m_mask = NULL; + m_width = 0; + m_height = 0; + m_bpp = 0; + m_palette = NULL; } -void wxBitmap::SetOk(bool isOk) +wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + m_pixmap = 0; + m_bitmap = 0; + m_display = data.m_display; + m_mask = NULL; // FIXME: should copy + m_palette = NULL; // FIXME: should copy - M_BITMAPDATA->m_ok = isOk; + Create(data.m_width, data.m_height, data.m_bpp); } -void wxBitmap::SetPalette(const wxPalette& palette) +bool wxBitmapRefData::Create(int width, int height, int depth) { - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + m_width = width; + m_height = height; + m_bpp = depth; - M_BITMAPDATA->m_bitmapPalette = palette ; -} + m_display = wxGlobalDisplay(); -void wxBitmap::SetMask(wxMask *mask) -{ - if (!M_BITMAPDATA) - m_refData = new wxBitmapRefData; + wxCHECK_MSG( m_display, false, wxT("No display") ); - M_BITMAPDATA->m_bitmapMask = mask ; -} + int xscreen = DefaultScreen(m_display); + int bpp = DefaultDepth(m_display, xscreen); + if ( depth == -1 ) + depth = bpp; -wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const -{ - wxCHECK_MSG( Ok() && - (rect.x >= 0) && (rect.y >= 0) && - (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height), - wxNullBitmap, wxT("invalid bitmap or bitmap region") ); + wxCHECK_MSG( (depth == bpp) || (depth == 1), false, + wxT("invalid bitmap depth") ); - wxBitmap ret( rect.width, rect.height, 0 ); - wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); +#if wxUSE_NANOX + m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL); +#else // !wxUSE_NANOX + Window xroot = RootWindow(m_display, xscreen); - // The remaining still TODO - return ret; -} + *(depth == 1 ? &m_bitmap : &m_pixmap) = + XCreatePixmap(m_display, xroot, width, height, depth); +#endif // wxUSE_NANOX/!wxUSE_NANOX -void wxBitmap::AddHandler(wxBitmapHandler *handler) -{ - sm_handlers.Append(handler); -} + wxCHECK_MSG( m_pixmap || m_bitmap, false, wxT("Bitmap creation failed") ); -void wxBitmap::InsertHandler(wxBitmapHandler *handler) -{ - sm_handlers.Insert(handler); + return true; } -bool wxBitmap::RemoveHandler(const wxString& name) +wxBitmapRefData::~wxBitmapRefData() { - wxBitmapHandler *handler = FindHandler(name); - if ( handler ) - { - sm_handlers.DeleteObject(handler); - return TRUE; - } - else - return FALSE; + if (m_pixmap) + XFreePixmap(m_display, m_pixmap); + if (m_bitmap) + XFreePixmap(m_display, m_bitmap); + delete m_mask; + delete m_palette; } -wxBitmapHandler *wxBitmap::FindHandler(const wxString& name) -{ - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if ( handler->GetName() == name ) - return handler; - node = node->Next(); - } - return NULL; -} +//----------------------------------------------------------------------------- -wxBitmapHandler *wxBitmap::FindHandler(const wxString& extension, long bitmapType) -{ - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if ( handler->GetExtension() == extension && - (bitmapType == -1 || handler->GetType() == bitmapType) ) - return handler; - node = node->Next(); - } - return NULL; -} +// helper function -wxBitmapHandler *wxBitmap::FindHandler(long bitmapType) +static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap, + int x, int y, int width, int height, + int depth ) { - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - if (handler->GetType() == bitmapType) - return handler; - node = node->Next(); - } - return NULL; -} + Display * const dpy = (Display *)xdisplay; -/* -* wxMask -*/ + int xscreen = DefaultScreen( dpy ); + Window xroot = RootWindow( dpy, xscreen ); + Visual* xvisual = DefaultVisual( dpy, xscreen ); -wxMask::wxMask() -{ - m_pixmap = (WXPixmap) 0; -} + XImage* ximage = XCreateImage( dpy, xvisual, depth, + ZPixmap, 0, 0, width, height, 32, 0 ); + ximage->data = (char*)malloc( ximage->bytes_per_line * ximage->height ); + ximage = XGetSubImage( dpy, (Pixmap)xpixmap, + x, y, width, height, + AllPlanes, ZPixmap, ximage, 0, 0 ); -// Construct a mask from a bitmap and a colour indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour) -{ - m_pixmap = (WXPixmap) 0; + GC gc = XCreateGC( dpy, (Pixmap)xpixmap, 0, NULL ); + Pixmap ret = XCreatePixmap( dpy, xroot, + width, height, depth ); + + XPutImage( dpy, ret, gc, ximage, + 0, 0, 0, 0, width, height ); + XDestroyImage( ximage ); + XFreeGC( dpy, gc ); - Create(bitmap, colour); + return (WXPixmap)ret; } -// Construct a mask from a bitmap and a palette index indicating -// the transparent area -wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex) -{ - m_pixmap = (WXPixmap) 0; - Create(bitmap, paletteIndex); -} +//----------------------------------------------------------------------------- +// wxBitmap +//----------------------------------------------------------------------------- -// Construct a mask from a mono bitmap (copies the bitmap). -wxMask::wxMask(const wxBitmap& bitmap) -{ - m_pixmap = (WXPixmap) 0; +#define M_BMPDATA ((wxBitmapRefData *)m_refData) - Create(bitmap); -} +IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) -wxMask::~wxMask() +bool wxBitmap::Create( int width, int height, int depth ) { - // TODO: this may be the wrong display - if ( m_pixmap ) - XFreePixmap ((Display*) wxGetDisplay(), (Pixmap) m_pixmap); -} + UnRef(); -// Create a mask from a mono bitmap (copies the bitmap). -bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap)) -{ - // TODO - return FALSE; + wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") ); + + m_refData = new wxBitmapRefData(); + + return M_BMPDATA->Create(width, height, depth); } -// Create a mask from a bitmap and a palette index indicating -// the transparent area -bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex)) +bool wxBitmap::Create(const void* data, wxBitmapType type, + int width, int height, int depth) { - // TODO - return FALSE; + UnRef(); + + wxBitmapHandler *handler = FindHandler(type); + + if ( handler == NULL ) { + wxLogWarning(wxT("no data bitmap handler for type %ld defined."), + (long)type); + + return false; + } + + return handler->Create(this, data, type, width, height, depth); } -// Create a mask from a bitmap and a colour indicating -// the transparent area -bool wxMask::Create(const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour)) +bool wxBitmap::Create(WXPixmap pixmap) { - // TODO - return FALSE; -} + UnRef(); + Pixmap xpixmap = (Pixmap)pixmap; + Display* xdisplay = wxGlobalDisplay(); + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); -/* -* wxBitmapHandler -*/ + // make a copy of the Pixmap + Window root; + int x, y; + unsigned width, height, border, depth; -IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject) + XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y, + &width, &height, &border, &depth ); + Pixmap copy = XCreatePixmap( xdisplay, xroot, width, height, depth ); -bool wxBitmapHandler::Create(wxBitmap *WXUNUSED(bitmap), void *WXUNUSED(data), long WXUNUSED(type), - int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth)) -{ - return FALSE; + GC gc = XCreateGC( xdisplay, copy, 0, NULL ); + XCopyArea( xdisplay, xpixmap, copy, gc, 0, 0, width, height, 0, 0 ); + XFreeGC( xdisplay, gc ); + + // fill in ref data + wxBitmapRefData* ref = new wxBitmapRefData(); + + if( depth == 1 ) + ref->m_bitmap = copy; + else + ref->m_pixmap = copy; + + ref->m_display = xdisplay; + ref->m_width = width; + ref->m_height = height; + ref->m_bpp = depth; + + m_refData = ref; + + return true; } -bool wxBitmapHandler::LoadFile(wxBitmap *WXUNUSED(bitmap), const wxString& WXUNUSED(name), long WXUNUSED(type), - int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) +wxBitmap::wxBitmap(const char* const* bits) { - return FALSE; + Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); } -bool wxBitmapHandler::SaveFile(wxBitmap *WXUNUSED(bitmap), const wxString& WXUNUSED(name), int WXUNUSED(type), - const wxPalette *WXUNUSED(palette)) +wxGDIRefData *wxBitmap::CreateGDIRefData() const { - return FALSE; + return new wxBitmapRefData; } -/* -* Standard handlers -*/ +wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const +{ + return new wxBitmapRefData(*static_cast(data)); +} -class WXDLLEXPORT wxXBMFileHandler: public wxBitmapHandler +bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) { - DECLARE_DYNAMIC_CLASS(wxXBMFileHandler) -public: - inline wxXBMFileHandler() +#if wxUSE_NANOX + if (!image.IsOk()) { - m_name = "XBM file"; - m_extension = "xbm"; - m_type = wxBITMAP_TYPE_XBM; - }; + wxASSERT_MSG(image.IsOk(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage.")); + return false; + } - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); -}; -IMPLEMENT_DYNAMIC_CLASS(wxXBMFileHandler, wxBitmapHandler) + int w = image.GetWidth(); + int h = image.GetHeight(); -bool wxXBMFileHandler::LoadFile(wxBitmap *bitmap, const wxString& name, long WXUNUSED(flags), - int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight)) -{ - M_BITMAPHANDLERDATA->m_freePixmap = TRUE; + if (!Create(w, h, depth)) + return false; - int hotX, hotY; - unsigned int w, h; - Pixmap pixmap; + // Unfortunately the mask has to be screen-depth since + // 1-bpp bitmaps don't seem to be supported + // TODO: implement transparent drawing, presumably + // by doing several blits as per the Windows + // implementation because Nano-X doesn't support + // XSetClipMask. + // TODO: could perhaps speed this function up + // by making a buffer of pixel values, + // and then calling GrArea to write that to the + // pixmap. See demos/nxroach.c. + + bool hasMask = image.HasMask(); - Display *dpy = (Display*) wxGetDisplay(); - M_BITMAPDATA->m_display = (WXDisplay*) dpy; + GC pixmapGC = GrNewGC(); + Pixmap pixmap = (Pixmap) GetPixmap(); - int value = XReadBitmapFile (dpy, RootWindow (dpy, DefaultScreen (dpy)), - (char*) (const char*) name, &w, &h, &pixmap, &hotX, &hotY); - M_BITMAPHANDLERDATA->m_width = w; - M_BITMAPHANDLERDATA->m_height = h; - M_BITMAPHANDLERDATA->m_depth = 1; - M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; + GC maskGC = 0; + Pixmap maskPixmap = 0; - if ((value == BitmapFileInvalid) || - (value == BitmapOpenFailed) || - (value == BitmapNoMemory)) + unsigned char maskR = 0; + unsigned char maskG = 0; + unsigned char maskB = 0; + + if (hasMask) { - M_BITMAPHANDLERDATA->m_ok = FALSE; - M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) 0; + maskR = image.GetMaskRed(); + maskG = image.GetMaskGreen(); + maskB = image.GetMaskBlue(); + + maskGC = GrNewGC(); + maskPixmap = GrNewPixmap(w, h, 0); + if (!maskPixmap) + hasMask = false; + else + { + wxMask* mask = new wxMask; + mask->SetBitmap((WXPixmap) maskPixmap); + SetMask(mask); + } } - else - M_BITMAPHANDLERDATA->m_ok = TRUE; - return M_BITMAPHANDLERDATA->m_ok ; -} + GR_COLOR lastPixmapColour = 0; + GR_COLOR lastMaskColour = 0; -class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxXBMDataHandler) -public: - inline wxXBMDataHandler() + int i, j; + for (i = 0; i < w; i++) { - m_name = "XBM data"; - m_extension = "xbm"; - m_type = wxBITMAP_TYPE_XBM_DATA; - }; + for (j = 0; j < h; j++) + { + unsigned char red = image.GetRed(i, j); + unsigned char green = image.GetGreen(i, j); + unsigned char blue = image.GetBlue(i, j); - virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); -}; -IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler) + GR_COLOR colour = GR_RGB(red, green, blue); -bool wxXBMDataHandler::Create( wxBitmap *bitmap, void *data, long WXUNUSED(flags), - int width, int height, int WXUNUSED(depth)) -{ - M_BITMAPHANDLERDATA->m_width = width; - M_BITMAPHANDLERDATA->m_height = height; - M_BITMAPHANDLERDATA->m_depth = 1; - M_BITMAPHANDLERDATA->m_freePixmap = TRUE; + // Efficiency measure + if (colour != lastPixmapColour || (i == 0 && j == 0)) + { + GrSetGCForeground(pixmapGC, colour); + lastPixmapColour = colour; + } + + GrPoint(pixmap, pixmapGC, i, j); + + if (hasMask) + { + // scan the bitmap for the transparent colour and set the corresponding + // pixels in the mask to BLACK and the rest to WHITE + if (maskR == red && maskG == green && maskB == blue) + { + colour = GR_RGB(0, 0, 0); + } + else + { + colour = GR_RGB(255, 255, 255); + } + if (colour != lastMaskColour || (i == 0 && j == 0)) + { + GrSetGCForeground(maskGC, colour); + lastMaskColour = colour; + } + GrPoint(maskPixmap, maskGC, i, j); + } + } + } - Display *dpy = (Display*) wxGetDisplay(); - M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; + GrDestroyGC(pixmapGC); + if (hasMask) + GrDestroyGC(maskGC); - M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) XCreateBitmapFromData (dpy, RootWindow (dpy, DefaultScreen (dpy)), (char*) data, width, height); - M_BITMAPHANDLERDATA->m_ok = (M_BITMAPHANDLERDATA->m_pixmap != (WXPixmap) 0) ; + return true; +#else + // !wxUSE_NANOX - return TRUE; -} + UnRef(); -#if wxHAVE_LIB_XPM -class WXDLLEXPORT wxXPMFileHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxXPMFileHandler) -public: - inline wxXPMFileHandler() - { - m_name = "XPM file"; - m_extension = "xpm"; - m_type = wxBITMAP_TYPE_XPM; - }; + wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") ); + wxCHECK_MSG( depth == -1, false, wxT("invalid bitmap depth") ); - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); - virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); -}; + m_refData = new wxBitmapRefData(); -IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) + M_BMPDATA->m_display = wxGlobalDisplay(); -bool wxXPMFileHandler::LoadFile( wxBitmap *bitmap, const wxString& name, long WXUNUSED(flags), - int WXUNUSED(desiredWidth), int WXUNUSED(desiredHeight) ) -{ - Display *dpy = (Display*) wxGetDisplay(); - M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; + Display *xdisplay = (Display*) M_BMPDATA->m_display; - XpmAttributes xpmAttr; - Pixmap pixmap; - Pixmap mask = 0; + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); + Visual* xvisual = DefaultVisual( xdisplay, xscreen ); + + int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth; + + int width = image.GetWidth(); + int height = image.GetHeight(); + M_BMPDATA->m_width = width; + M_BMPDATA->m_height = height; - M_BITMAPHANDLERDATA->m_ok = FALSE; - xpmAttr.valuemask = XpmReturnInfos | XpmCloseness; - xpmAttr.closeness = 40000; - int errorStatus = XpmReadFileToPixmap(dpy, - RootWindow(dpy, DefaultScreen(dpy)), (char*) (const char*) name, - &pixmap, &mask, &xpmAttr); + if (depth != 1) depth = bpp; + M_BMPDATA->m_bpp = depth; - if (errorStatus == XpmSuccess) + if (depth == 1) + { + wxFAIL_MSG( wxT("mono images later") ); + } + else { - M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; - if ( mask ) + // Create image + + XImage *data_image = XCreateImage( xdisplay, xvisual, bpp, ZPixmap, 0, 0, width, height, 32, 0 ); + data_image->data = (char*) malloc( data_image->bytes_per_line * data_image->height ); + + if (data_image->data == NULL) { - M_BITMAPHANDLERDATA->m_bitmapMask = new wxMask; - M_BITMAPHANDLERDATA->m_bitmapMask->SetPixmap((WXPixmap) mask); + wxLogError( wxT("Out of memory.") ); // TODO clean + return false; } - unsigned int depthRet; - int xRet, yRet; - unsigned int widthRet, heightRet, borderWidthRet; - Window rootWindowRet; - XGetGeometry(dpy, pixmap, &rootWindowRet, &xRet, &yRet, - &widthRet, &heightRet, &borderWidthRet, &depthRet); + M_BMPDATA->m_pixmap = XCreatePixmap( xdisplay, xroot, width, height, depth ); - M_BITMAPHANDLERDATA->m_width = xpmAttr.width; - M_BITMAPHANDLERDATA->m_height = xpmAttr.height; + // Create mask if necessary + const bool hasMask = image.HasMask(); - /* - if ( xpmAttr.npixels > 2 ) - { - M_BITMAPHANDLERDATA->m_depth = 8; // TODO: next time not just a guess :-) ... - } else + XImage *mask_image = NULL; + if ( hasMask ) { - M_BITMAPHANDLERDATA->m_depth = 1; // mono - } - */ + mask_image = XCreateImage( xdisplay, xvisual, 1, ZPixmap, 0, 0, width, height, 32, 0 ); + mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height ); - M_BITMAPHANDLERDATA->m_depth = depthRet; + if (mask_image->data == NULL) + { + wxLogError( wxT("Out of memory.") ); // TODO clean + return false; + } - M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; + wxMask *mask = new wxMask(); + mask->SetDisplay( xdisplay ); + mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) ); - XpmFreeAttributes(&xpmAttr); + SetMask( mask ); + } - M_BITMAPHANDLERDATA->m_ok = TRUE; - return TRUE; - } else - { - // XpmDebugError(errorStatus, name); - M_BITMAPHANDLERDATA->m_ok = FALSE; - return FALSE; - } -} + if (bpp < 8) bpp = 8; -bool wxXPMFileHandler::SaveFile( wxBitmap *bitmap, const wxString& name, int WXUNUSED(type), - const wxPalette *WXUNUSED(palette)) -{ - if (M_BITMAPHANDLERDATA->m_ok && M_BITMAPHANDLERDATA->m_pixmap) - { - Display *dpy = (Display*) M_BITMAPHANDLERDATA->m_display; - int errorStatus = XpmWriteFileFromPixmap(dpy, (char*) (const char*) name, - (Pixmap) M_BITMAPHANDLERDATA->m_pixmap, - (M_BITMAPHANDLERDATA->m_bitmapMask ? (Pixmap) M_BITMAPHANDLERDATA->m_bitmapMask->GetPixmap() : (Pixmap) 0), - (XpmAttributes *) NULL); - if (errorStatus == XpmSuccess) - return TRUE; - else - return FALSE; - } - else - return FALSE; -} + // Render -class WXDLLEXPORT wxXPMDataHandler: public wxBitmapHandler -{ - DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) -public: - inline wxXPMDataHandler() - { - m_name = "XPM data"; - m_extension = "xpm"; - m_type = wxBITMAP_TYPE_XPM_DATA; - }; + enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; + byte_order b_o = RGB; - virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); -}; -IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) + wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display); + unsigned long greenMask = vi->m_visualGreenMask, + redMask = vi->m_visualRedMask, + blueMask = vi->m_visualBlueMask; -bool wxXPMDataHandler::Create( wxBitmap *bitmap, void *data, long WXUNUSED(flags), - int width, int height, int WXUNUSED(depth)) -{ - M_BITMAPHANDLERDATA->m_width = width; - M_BITMAPHANDLERDATA->m_height = height; - M_BITMAPHANDLERDATA->m_depth = 1; - M_BITMAPHANDLERDATA->m_freePixmap = TRUE; + if (bpp > 8) + { + if ((redMask > greenMask) && (greenMask > blueMask)) b_o = RGB; + else if ((redMask > blueMask) && (blueMask > greenMask)) b_o = RBG; + else if ((blueMask > redMask) && (redMask > greenMask)) b_o = BRG; + else if ((blueMask > greenMask) && (greenMask > redMask))b_o = BGR; + else if ((greenMask > redMask) && (redMask > blueMask)) b_o = GRB; + else if ((greenMask > blueMask) && (blueMask > redMask)) b_o = GBR; + } - Display *dpy = (Display*) wxGetDisplay(); - M_BITMAPHANDLERDATA->m_display = (WXDisplay*) dpy; + int r_mask = image.GetMaskRed(); + int g_mask = image.GetMaskGreen(); + int b_mask = image.GetMaskBlue(); - XpmAttributes xpmAttr; + unsigned char* data = image.GetData(); + wxASSERT_MSG( data, wxT("No image data") ); - xpmAttr.valuemask = XpmReturnInfos; /* nothing yet, but get infos back */ + unsigned char *colorCube = + wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube; - XpmColorSymbol symbolicColors[4]; - if (sg_Control && sg_Control->GetMainWidget()) - { - symbolicColors[0].name = "foreground"; - symbolicColors[0].value = NULL; - symbolicColors[1].name = "background"; - symbolicColors[1].value = NULL; - XtVaGetValues((Widget) sg_Control->GetMainWidget(), - XmNforeground, &symbolicColors[0].pixel, - XmNbackground, &symbolicColors[1].pixel,NULL); - xpmAttr.numsymbols = 2; - xpmAttr.colorsymbols = symbolicColors; - xpmAttr.valuemask |= XpmColorSymbols; // add flag - } + int index = 0; + for (int y = 0; y < height; y++) + { + for (int x = 0; x < width; x++) + { + int r = data[index]; + index++; + int g = data[index]; + index++; + int b = data[index]; + index++; + + if (hasMask) + { + if ((r == r_mask) && (b == b_mask) && (g == g_mask)) + XPutPixel( mask_image, x, y, 0 ); + else + XPutPixel( mask_image, x, y, 1 ); + } - Pixmap pixmap; - Pixmap mask = 0; - int ErrorStatus = XpmCreatePixmapFromData(dpy, RootWindow(dpy, DefaultScreen(dpy)), - (char**) data, &pixmap, &mask, &xpmAttr); - if (ErrorStatus == XpmSuccess) - { - // Set attributes - M_BITMAPHANDLERDATA->m_width = xpmAttr.width; - M_BITMAPHANDLERDATA->m_height = xpmAttr.height; + switch (bpp) + { + case 8: + { + int pixel = 0; + pixel = colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; + XPutPixel( data_image, x, y, pixel ); + break; + } + case 12: // SGI only + { + int pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break; + case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break; + case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break; + case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break; + case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break; + case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break; + } + XPutPixel( data_image, x, y, pixel ); + break; + } + case 15: + { + int pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break; + } + XPutPixel( data_image, x, y, pixel ); + break; + } + case 16: + { + // I actually don't know if for 16-bit displays, it is alway the green + // component or the second component which has 6 bits. + int pixel = 0; + switch (b_o) + { + case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break; + case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break; + case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break; + case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break; + } + XPutPixel( data_image, x, y, pixel ); + break; + } + case 32: + case 24: + { + int pixel = 0; + switch (b_o) + { + case RGB: pixel = (r << 16) | (g << 8) | b; break; + case RBG: pixel = (r << 16) | (b << 8) | g; break; + case BRG: pixel = (b << 16) | (r << 8) | g; break; + case BGR: pixel = (b << 16) | (g << 8) | r; break; + case GRB: pixel = (g << 16) | (r << 8) | b; break; + case GBR: pixel = (g << 16) | (b << 8) | r; break; + } + XPutPixel( data_image, x, y, pixel ); + } + default: break; + } + } // for + } // for - unsigned int depthRet; - int xRet, yRet; - unsigned int widthRet, heightRet, borderWidthRet; - Window rootWindowRet; - XGetGeometry(dpy, pixmap, &rootWindowRet, &xRet, &yRet, - &widthRet, &heightRet, &borderWidthRet, &depthRet); + // Blit picture - /* - if ( xpmAttr.npixels > 2 ) - { - M_BITMAPHANDLERDATA->m_depth = 8; // next time not just a guess :-) ... - } else - { - M_BITMAPHANDLERDATA->m_depth = 1; // mono - } - */ + GC gc = XCreateGC( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, 0, NULL ); + XPutImage( xdisplay, (Pixmap) M_BMPDATA->m_pixmap, gc, data_image, 0, 0, 0, 0, width, height ); + XDestroyImage( data_image ); + XFreeGC( xdisplay, gc ); - M_BITMAPHANDLERDATA->m_depth = depthRet; + // Blit mask - M_BITMAPHANDLERDATA->m_numColors = xpmAttr.npixels; - XpmFreeAttributes(&xpmAttr); - M_BITMAPHANDLERDATA->m_ok = TRUE; - M_BITMAPHANDLERDATA->m_pixmap = (WXPixmap) pixmap; - if ( mask ) + if (image.HasMask()) { - M_BITMAPHANDLERDATA->m_bitmapMask = new wxMask; - M_BITMAPHANDLERDATA->m_bitmapMask->SetPixmap((WXPixmap) mask); + GC gc = XCreateGC( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, NULL ); + XPutImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), gc, mask_image, 0, 0, 0, 0, width, height ); + + XDestroyImage( mask_image ); + XFreeGC( xdisplay, gc ); } } - else - { - // XpmDebugError(ErrorStatus, NULL); - M_BITMAPHANDLERDATA->m_ok = FALSE; - } - return M_BITMAPHANDLERDATA->m_ok ; -} -#endif // wxHAVE_LIB_XPM - -void wxBitmap::CleanUpHandlers() -{ - wxNode *node = sm_handlers.First(); - while ( node ) - { - wxBitmapHandler *handler = (wxBitmapHandler *)node->Data(); - wxNode *next = node->Next(); - delete handler; - delete node; - node = next; - } + return true; +#endif + // wxUSE_NANOX } -void wxBitmap::InitStandardHandlers() +wxImage wxBitmap::ConvertToImage() const { - // Initialize all standard bitmap or derived class handlers here. - AddHandler(new wxXBMFileHandler); - AddHandler(new wxXBMDataHandler); + wxImage image; - // XPM is considered standard for Motif, although it can be omitted if - // libXpm is not installed -#if wxHAVE_LIB_XPM - AddHandler(new wxXPMFileHandler); - AddHandler(new wxXPMDataHandler); -#endif // wxHAVE_LIB_XPM -} + wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") ); -// We may need this sometime... + Display *xdisplay = (Display*) M_BMPDATA->m_display; + wxASSERT_MSG( xdisplay, wxT("No display") ); -/**************************************************************************** +#if wxUSE_NANOX + //int bpp = DefaultDepth(xdisplay, xscreen); + wxGetImageFromDrawable((Pixmap) GetPixmap(), 0, 0, GetWidth(), GetHeight(), image); + return image; +#else + // !wxUSE_NANOX + int bpp = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_visualDepth; + XImage *x_image = NULL; + if (GetPixmap()) + { + x_image = XGetImage( xdisplay, (Pixmap) GetPixmap(), + 0, 0, + GetWidth(), GetHeight(), + AllPlanes, ZPixmap ); + } else + if (GetBitmap()) + { + x_image = XGetImage( xdisplay, (Pixmap) GetBitmap(), + 0, 0, + GetWidth(), GetHeight(), + AllPlanes, ZPixmap ); + } else + { + wxFAIL_MSG( wxT("Ill-formed bitmap") ); + } - NAME - XCreateInsensitivePixmap - create a grayed-out copy of a pixmap + wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") ); - SYNOPSIS - Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) + image.Create( GetWidth(), GetHeight() ); + char unsigned *data = image.GetData(); - DESCRIPTION - This function creates a grayed-out copy of the argument pixmap, suitable - for use as a XmLabel's XmNlabelInsensitivePixmap resource. + if (!data) + { + XDestroyImage( x_image ); + wxFAIL_MSG( wxT("couldn't create image") ); + return wxNullImage; + } - RETURN VALUES - The return value is the new Pixmap id or zero on error. Errors include - a NULL display argument or an invalid Pixmap argument. + XImage *x_image_mask = NULL; + if (GetMask()) + { + x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), + 0, 0, + GetWidth(), GetHeight(), + AllPlanes, ZPixmap ); - ERRORS - If one of the XLib functions fail, it will produce a X error. The - default X error handler prints a diagnostic and calls exit(). + image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable + } - SEE ALSO - XCopyArea(3), XCreateBitmapFromData(3), XCreateGC(3), XCreatePixmap(3), - XFillRectangle(3), exit(2) + int red_shift_right = 0; + int green_shift_right = 0; + int blue_shift_right = 0; + int red_shift_left = 0; + int green_shift_left = 0; + int blue_shift_left = 0; + bool use_shift = false; - AUTHOR - John R Veregge - john@puente.jpl.nasa.gov - Advanced Engineering and Prototyping Group (AEG) - Information Systems Technology Section (395) - Jet Propulsion Lab - Calif Institute of Technology + if (GetPixmap()) + { + wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display); -*****************************************************************************/ + red_shift_right = vi->m_visualRedShift; + red_shift_left = 8 - vi->m_visualRedPrec; + green_shift_right = vi->m_visualGreenShift; + green_shift_left = 8 - vi->m_visualGreenPrec; + blue_shift_right = vi->m_visualBlueShift; + blue_shift_left = 8 - vi->m_visualBluePrec; -Pixmap -XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) + use_shift = (vi->m_visualType == GrayScale) || + (vi->m_visualType != PseudoColor); + } -{ - static char stipple_data[] = - { - 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, - 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, - 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, - 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA - }; - GC gc; - Pixmap ipixmap, stipple; - unsigned width, height, depth; - - Window window; /* These return values */ - unsigned border; /* from XGetGeometry() */ - int x, y; /* are not needed. */ - - ipixmap = 0; - - if ( NULL == display || 0 == pixmap ) - return ipixmap; - - if ( 0 == XGetGeometry( display, pixmap, &window, &x, &y, - &width, &height, &border, &depth ) - ) - return ipixmap; /* BadDrawable: probably an invalid pixmap */ - - /* Get the stipple pixmap to be used to 'gray-out' the argument pixmap. - */ - stipple = XCreateBitmapFromData( display, pixmap, stipple_data, 16, 16 ); - if ( 0 != stipple ) + if (GetBitmap()) + { + bpp = 1; + } + + XColor *colors = (XColor*)wxTheApp-> + GetVisualInfo(M_BMPDATA->m_display)->m_visualColormap; + + int width = GetWidth(); + int height = GetHeight(); + long pos = 0; + for (int j = 0; j < height; j++) { - gc = XCreateGC( display, pixmap, (XtGCMask)0, (XGCValues*)NULL ); - if ( NULL != gc ) + for (int i = 0; i < width; i++) { - /* Create an identical copy of the argument pixmap. - */ - ipixmap = XCreatePixmap( display, pixmap, width, height, depth ); - if ( 0 != ipixmap ) + unsigned long pixel = XGetPixel( x_image, i, j ); + if (bpp == 1) + { + if (pixel == 0) + { + data[pos] = 0; + data[pos+1] = 0; + data[pos+2] = 0; + } + else + { + data[pos] = 255; + data[pos+1] = 255; + data[pos+2] = 255; + } + } + else if (use_shift) + { + data[pos] = (unsigned char)((pixel >> red_shift_right) << red_shift_left); + data[pos+1] = (unsigned char)((pixel >> green_shift_right) << green_shift_left); + data[pos+2] = (unsigned char)((pixel >> blue_shift_right) << blue_shift_left); + } + else if (colors) + { + data[pos] = (unsigned char)(colors[pixel].red >> 8); + data[pos+1] = (unsigned char)(colors[pixel].green >> 8); + data[pos+2] = (unsigned char)(colors[pixel].blue >> 8); + } + else + { + wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") ); + } + + if (x_image_mask) { - /* Copy the argument pixmap into the new pixmap. - */ - XCopyArea( display, pixmap, ipixmap, - gc, 0, 0, width, height, 0, 0 ); - - /* Refill the new pixmap using the stipple algorithm/pixmap. - */ - XSetStipple( display, gc, stipple ); - XSetFillStyle( display, gc, FillStippled ); - XFillRectangle( display, ipixmap, gc, 0, 0, width, height ); + int mask_pixel = XGetPixel( x_image_mask, i, j ); + if (mask_pixel == 0) + { + data[pos] = 16; + data[pos+1] = 16; + data[pos+2] = 16; + } } - XFreeGC( display, gc ); + + pos += 3; } - XFreePixmap( display, stipple ); } - return ipixmap; + + XDestroyImage( x_image ); + if (x_image_mask) XDestroyImage( x_image_mask ); + return image; +#endif + // wxUSE_NANOX } -// Creates a bitmap with transparent areas drawn in -// the given colour. -wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour) +wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { - wxBitmap newBitmap(bitmap.GetWidth(), - bitmap.GetHeight(), - bitmap.GetDepth()); - wxMemoryDC destDC; - wxMemoryDC srcDC; - srcDC.SelectObject(bitmap); - destDC.SelectObject(newBitmap); - - wxBrush brush(colour, wxSOLID); - destDC.SetOptimization(FALSE); - destDC.SetBackground(brush); - destDC.Clear(); - destDC.Blit(0, 0, bitmap.GetWidth(), bitmap.GetHeight(), & srcDC, 0, 0, wxCOPY, TRUE); - - return newBitmap; + LoadFile( filename, type ); } +wxBitmap::wxBitmap( const char bits[], int width, int height, int depth ) +{ + m_refData = new wxBitmapRefData; + (void) Create(bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth); +} +wxBitmap::~wxBitmap() +{ +} -//----------------------------------------------------------------------------- -// wxImage conversion routines -//----------------------------------------------------------------------------- +int wxBitmap::GetHeight() const +{ + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); -/* + return M_BMPDATA->m_height; +} -Date: Wed, 05 Jan 2000 11:45:40 +0100 -From: Frits Boel -To: julian.smart@ukonline.co.uk -Subject: Patch for Motif ConvertToBitmap +int wxBitmap::GetWidth() const +{ + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); -Hi Julian, + return M_BMPDATA->m_width; +} -I've been working on a wxWin application for image processing. From the -beginning, I was surprised by the (lack of) speed of ConvertToBitmap, -till I looked in the source code of image.cpp. I saw that converting a -wxImage to a bitmap with 8-bit pixels is done with comparing every pixel -to the 256 colors of the palet. A very time-consuming piece of code! +int wxBitmap::GetDepth() const +{ + wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); -Because I wanted a faster application, I've made a 'patch' for this. In -short: every pixel of the image is compared to a sorted list with -colors. If the color is found in the list, the palette entry is -returned; if the color is not found, the color palette is searched and -then the palette entry is returned and the color added to the sorted -list. + return M_BMPDATA->m_bpp; +} -Maybe there is another method for this, namely changing the palette -itself (if the colors are known, as is the case with tiffs with a -colormap). I did not look at this, maybe someone else did? +wxMask *wxBitmap::GetMask() const +{ + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); -The code of the patch is attached, have a look on it, and maybe you will -ship it with the next release of wxMotif? + return M_BMPDATA->m_mask; +} -Regards, +void wxBitmap::SetMask( wxMask *mask ) +{ + wxCHECK_RET( IsOk(), wxT("invalid bitmap") ); -Frits Boel -Software engineer at Hubrecht Laboratory, The Netherlands. + AllocExclusive(); + if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; -*/ + M_BMPDATA->m_mask = mask; +} -class wxSearchColor +bool wxBitmap::CopyFromIcon(const wxIcon& icon) { -public: - wxSearchColor( void ); - wxSearchColor( int size, XColor *colors ); - ~wxSearchColor( void ); + *this = icon; + return true; +} - int SearchColor( int r, int g, int b ); -private: - int AddColor( unsigned int value, int pos ); +wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const +{ + wxCHECK_MSG( IsOk() && + (rect.x >= 0) && (rect.y >= 0) && + (rect.x+rect.width <= M_BMPDATA->m_width ) && + (rect.y+rect.height <= M_BMPDATA->m_height), + wxNullBitmap, wxT("invalid bitmap or bitmap region") ); - int size; - XColor *colors; - unsigned int *color; - int *entry; + wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); + wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") ); - int bottom; - int top; -}; + if( GetMask() ) + { + wxMask* mask = new wxMask(); + mask->SetDisplay( GetMask()->GetDisplay() ); + mask->SetBitmap( wxGetSubPixmap( GetMask()->GetDisplay(), + GetMask()->GetBitmap(), + rect.x, rect.y, + rect.width, rect.height, + 1 ) ); + + ret.SetMask( mask ); + } + + if( GetPixmap() ) + { + ret.SetPixmap( wxGetSubPixmap( GetDisplay(), + GetPixmap(), + rect.x, rect.y, + rect.width, rect.height, + M_BMPDATA->m_bpp ) ); + } -wxSearchColor::wxSearchColor( void ) + if( GetBitmap() ) + { + ret.SetBitmap( wxGetSubPixmap( GetDisplay(), + GetBitmap(), + rect.x, rect.y, + rect.width, rect.height, + 1 ) ); + } + + return ret; +} + +bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, + const wxPalette *palette ) const { - size = 0; - colors = (XColor*) NULL; - color = (unsigned int *) NULL; - entry = (int*) NULL; + wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") ); + + wxBitmapHandler *handler = FindHandler(type); + + // Try to save the bitmap via wxImage handlers: + if (handler == NULL) + { + wxImage image(this->ConvertToImage()); + if (image.IsOk()) return image.SaveFile( name, type ); + + return false; + } - bottom = 0; - top = 0; + return handler->SaveFile(this, name, type, palette); } -wxSearchColor::wxSearchColor( int size_, XColor *colors_ ) +bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) { - int i; - size = size_; - colors = colors_; - color = new unsigned int[size]; - entry = new int [size]; - - for (i = 0; i < size; i++ ) { - entry[i] = -1; + UnRef(); + + if (!wxFileExists(name)) return false; + + wxBitmapHandler *handler = FindHandler(type); + + if (handler == NULL) + { + wxImage image; + if (!image.LoadFile( name, type )) + return false; + + if (image.IsOk()) + { + *this = wxBitmap(image); + return true; + } + else return false; } - bottom = top = ( size >> 1 ); + return handler->LoadFile(this, name, type, -1, -1); } -wxSearchColor::~wxSearchColor( void ) +void wxBitmap::SetPalette(const wxPalette& palette) { - if ( color ) delete color; - if ( entry ) delete entry; + wxCHECK_RET(IsOk(), wxT("invalid bitmap")); + wxCHECK_RET(GetDepth() > 1 && GetDepth() <= 8, + wxT("cannot set palette for bitmap of this depth")); + + AllocExclusive(); + wxDELETE(M_BMPDATA->m_palette); + + if (!palette.IsOk()) return; + + M_BMPDATA->m_palette = new wxPalette(palette); } -int wxSearchColor::SearchColor( int r, int g, int b ) +wxPalette *wxBitmap::GetPalette() const { - unsigned int value = ( ( ( r * 256 ) + g ) * 256 ) + b; - int begin = bottom; - int end = top; - int middle = 0; + if (!IsOk()) return NULL; - while ( begin <= end ) { + return M_BMPDATA->m_palette; +} - middle = ( begin + end ) >> 1; +void wxBitmap::SetHeight( int height ) +{ + AllocExclusive(); - if ( value == color[middle] ) { - return( entry[middle] ); - } else if ( value < color[middle] ) { - end = middle - 1; - } else { - begin = middle + 1; - } + M_BMPDATA->m_height = height; +} - } +void wxBitmap::SetWidth( int width ) +{ + AllocExclusive(); - return AddColor( value, middle ); + M_BMPDATA->m_width = width; } -int wxSearchColor::AddColor( unsigned int value, int pos ) +void wxBitmap::SetDepth( int depth ) { - int i; - int pixel = -1; - int max = 3 * (65536); - for ( i = 0; i < 256; i++ ) { - int rdiff = ((value >> 8) & 0xFF00 ) - colors[i].red; - int gdiff = ((value ) & 0xFF00 ) - colors[i].green; - int bdiff = ((value << 8) & 0xFF00 ) - colors[i].blue; - int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); - if (sum < max) { pixel = i; max = sum; } - } - - if ( entry[pos] < 0 ) { - color[pos] = value; - entry[pos] = pixel; - } else if ( value < color[pos] ) { - - if ( bottom > 0 ) { - for ( i = bottom; i < pos; i++ ) { - color[i-1] = color[i]; - entry[i-1] = entry[i]; - } - bottom--; - color[pos-1] = value; - entry[pos-1] = pixel; - } else if ( top < size-1 ) { - for ( i = top; i >= pos; i-- ) { - color[i+1] = color[i]; - entry[i+1] = entry[i]; - } - top++; - color[pos] = value; - entry[pos] = pixel; - } + AllocExclusive(); - } else { - - if ( top < size-1 ) { - for ( i = top; i > pos; i-- ) { - color[i+1] = color[i]; - entry[i+1] = entry[i]; - } - top++; - color[pos+1] = value; - entry[pos+1] = pixel; - } else if ( bottom > 0 ) { - for ( i = bottom; i < pos; i++ ) { - color[i-1] = color[i]; - entry[i-1] = entry[i]; - } - bottom--; - color[pos] = value; - entry[pos] = pixel; - } + M_BMPDATA->m_bpp = depth; +} - } +void wxBitmap::SetPixmap( WXPixmap pixmap ) +{ + if (!m_refData) m_refData = new wxBitmapRefData(); - return( pixel ); + M_BMPDATA->m_pixmap = (Pixmap)pixmap; } +void wxBitmap::SetBitmap( WXPixmap bitmap ) +{ + if (!m_refData) m_refData = new wxBitmapRefData(); -bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) + M_BMPDATA->m_bitmap = (Pixmap)bitmap; +} + +WXPixmap wxBitmap::GetPixmap() const { - wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) - wxCHECK_MSG( depth == -1, FALSE, wxT("invalid bitmap depth") ) + wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); - m_refData = new wxBitmapRefData(); + return (WXPixmap)M_BMPDATA->m_pixmap; +} - int width = image.GetWidth(); - int height = image.GetHeight(); +WXPixmap wxBitmap::GetBitmap() const +{ + wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); - SetHeight( height ); - SetWidth( width ); + return (WXPixmap)M_BMPDATA->m_bitmap; +} - Display *dpy = (Display*) wxGetDisplay(); - Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); - int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); +WXPixmap wxBitmap::GetDrawable() const +{ + wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); - // Create image + return (WXPixmap)(M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap + : M_BMPDATA->m_pixmap); +} - 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 ); +WXDisplay *wxBitmap::GetDisplay() const +{ + wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); - Create( width, height, bpp ); + return M_BMPDATA->m_display; +} - // Create mask +#if wxUSE_NANOX +// Copy from the drawable to the wxImage +bool wxGetImageFromDrawable(GR_DRAW_ID drawable, int srcX, int srcY, int width, int height, wxImage& image) +{ + GR_SCREEN_INFO sinfo; + int x, y; + GR_PIXELVAL *pixels; + GR_PALETTE* palette = NULL; + unsigned char rgb[3], *pp; - XImage *mask_image = (XImage*) NULL; - if (image.HasMask()) - { - mask_image = XCreateImage( dpy, vis, 1, ZPixmap, 0, 0, width, height, 32, 0 ); - mask_image->data = (char*) malloc( mask_image->bytes_per_line * mask_image->height ); - } + GrGetScreenInfo(&sinfo); - // Retrieve depth info + if (sinfo.pixtype == MWPF_PALETTE) { + if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) { + return false; + } + GrGetSystemPalette(palette); + } - XVisualInfo vinfo_template; - XVisualInfo *vi; + if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height))) + { + return false; + } - vinfo_template.visual = vis; - vinfo_template.visualid = XVisualIDFromVisual( vis ); - vinfo_template.depth = bpp; - int nitem = 0; + image.Create(width, height); + + GrReadArea(drawable, srcX, srcY, width, height, + pixels); + + + for(x = 0; x < sinfo.cols; x++) { + + pp = (unsigned char *)pixels + + ((x + (y * sinfo.cols)) * + sizeof(GR_PIXELVAL)); + + switch(sinfo.pixtype) { + /* FIXME: These may need modifying on big endian. */ + case MWPF_TRUECOLOR0888: + case MWPF_TRUECOLOR888: + rgb[0] = pp[2]; + rgb[1] = pp[1]; + rgb[2] = pp[0]; + break; + case MWPF_PALETTE: + rgb[0] = palette->palette[pp[0]].r; + rgb[1] = palette->palette[pp[0]].g; + rgb[2] = palette->palette[pp[0]].b; + break; + case MWPF_TRUECOLOR565: + rgb[0] = pp[1] & 0xf8; + rgb[1] = ((pp[1] & 0x07) << 5) | + ((pp[0] & 0xe0) >> 3); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR555: + rgb[0] = (pp[1] & 0x7c) << 1; + rgb[1] = ((pp[1] & 0x03) << 6) | + ((pp[0] & 0xe0) >> 2); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR332: + rgb[0] = pp[0] & 0xe0; + rgb[1] = (pp[0] & 0x1c) << 3; + rgb[2] = (pp[0] & 0x03) << 6; + break; + default: + fprintf(stderr, "Unsupported pixel " + "format\n"); + return 1; + } - vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); + image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]); - wxCHECK_MSG( vi, FALSE, wxT("no visual") ); + } - XFree( vi ); + free(pixels); + if(palette) free(palette); - if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; - if (bpp < 8) bpp = 8; + return true; +} - // Render +#if 0 +int GrGetPixelColor(GR_SCREEN_INFO* sinfo, GR_PALETTE* palette, GR_PIXELVAL pixel, + unsigned char* red, unsigned char* green, unsigned char* blue) +{ + unsigned char rgb[3], *pp; - enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; - byte_order b_o = RGB; + pp = (unsigned char*) & pixel ; - if (bpp >= 24) + switch (sinfo.pixtype) { - if ((vi->red_mask > vi->green_mask) && (vi->green_mask > vi->blue_mask)) b_o = RGB; - else if ((vi->red_mask > vi->blue_mask) && (vi->blue_mask > vi->green_mask)) b_o = RGB; - else if ((vi->blue_mask > vi->red_mask) && (vi->red_mask > vi->green_mask)) b_o = BRG; - else if ((vi->blue_mask > vi->green_mask) && (vi->green_mask > vi->red_mask)) b_o = BGR; - 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; + /* FIXME: These may need modifying on big endian. */ + case MWPF_TRUECOLOR0888: + case MWPF_TRUECOLOR888: + rgb[0] = pp[2]; + rgb[1] = pp[1]; + rgb[2] = pp[0]; + break; + case MWPF_PALETTE: + rgb[0] = palette->palette[pp[0]].r; + rgb[1] = palette->palette[pp[0]].g; + rgb[2] = palette->palette[pp[0]].b; + break; + case MWPF_TRUECOLOR565: + rgb[0] = pp[1] & 0xf8; + rgb[1] = ((pp[1] & 0x07) << 5) | + ((pp[0] & 0xe0) >> 3); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR555: + rgb[0] = (pp[1] & 0x7c) << 1; + rgb[1] = ((pp[1] & 0x03) << 6) | + ((pp[0] & 0xe0) >> 2); + rgb[2] = (pp[0] & 0x1f) << 3; + break; + case MWPF_TRUECOLOR332: + rgb[0] = pp[0] & 0xe0; + rgb[1] = (pp[0] & 0x1c) << 3; + rgb[2] = (pp[0] & 0x03) << 6; + break; + default: + fprintf(stderr, "Unsupported pixel format\n"); + return 0; } - int r_mask = image.GetMaskRed(); - int g_mask = image.GetMaskGreen(); - int b_mask = image.GetMaskBlue(); - XColor colors[256]; - if (bpp == 8) - { - Colormap cmap = (Colormap) wxTheApp->GetMainColormap( dpy ); + *(red) = rgb[0]; + *(green) = rgb[1]; + *(blue) = rgb[2]; + return 1; +} +#endif - for (int i = 0; i < 256; i++) colors[i].pixel = i; - XQueryColors( dpy, cmap, colors, 256 ); - } +#endif + // wxUSE_NANOX - wxSearchColor scolor( 256, colors ); - unsigned char* data = image.GetData(); +// ============================================================================ +// Bitmap handlers +// ============================================================================ - bool hasMask = image.HasMask(); +#define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData()) - int index = 0; - for (int y = 0; y < height; y++) +#if wxUSE_XPM + +#if wxHAVE_LIB_XPM || wxUSE_STREAMS + +// ---------------------------------------------------------------------------- +// wxXPMFileHandler +// ---------------------------------------------------------------------------- + +class wxXPMFileHandler : public wxBitmapHandler +{ +public: + wxXPMFileHandler() { - for (int x = 0; x < width; x++) - { - int r = data[index]; - index++; - int g = data[index]; - index++; - int b = data[index]; - index++; + SetName( wxT("XPM file") ); + SetExtension( wxT("xpm") ); + SetType( wxBITMAP_TYPE_XPM ); + }; - if (hasMask) - { - if ((r == r_mask) && (b == b_mask) && (g == g_mask)) - XPutPixel( mask_image, x, y, 0 ); - else - XPutPixel( mask_image, x, y, 1 ); - } + virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, + wxBitmapType flags, + int desiredWidth, int desiredHeight); - switch (bpp) - { - case 8: - { -#if 0 // Old, slower code - int pixel = -1; - /* - if (wxTheApp->m_colorCube) - { - pixel = wxTheApp->m_colorCube - [ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ]; - } - else - { - */ - int max = 3 * (65536); - for (int i = 0; i < 256; i++) - { - int rdiff = (r << 8) - colors[i].red; - int gdiff = (g << 8) - colors[i].green; - int bdiff = (b << 8) - colors[i].blue; - int sum = abs (rdiff) + abs (gdiff) + abs (bdiff); - if (sum < max) { pixel = i; max = sum; } - } - /* - } - */ -#endif + virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, + wxBitmapType type, + const wxPalette *palette = NULL) const; - // And this is all to get the 'right' color... - int pixel = scolor.SearchColor( r, g, b ); - XPutPixel( data_image, x, y, pixel ); - break; - } - case 15: - { - int pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); - XPutPixel( data_image, x, y, pixel ); - break; - } - case 16: - { - int pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); - XPutPixel( data_image, x, y, pixel ); - break; - } - case 32: - case 24: - { - int pixel = 0; - switch (b_o) - { - case RGB: pixel = (r << 16) | (g << 8) | b; break; - case RBG: pixel = (r << 16) | (b << 8) | g; break; - case BRG: pixel = (b << 16) | (r << 8) | g; break; - case BGR: pixel = (b << 16) | (g << 8) | r; break; - case GRB: pixel = (g << 16) | (r << 8) | b; break; - case GBR: pixel = (g << 16) | (b << 8) | r; break; - } - XPutPixel( data_image, x, y, pixel ); - } - default: break; - } - } // for - } // for + virtual bool Create(wxBitmap *WXUNUSED(bitmap), + const void* WXUNUSED(data), + wxBitmapType WXUNUSED(flags), + int WXUNUSED(width), + int WXUNUSED(height), + int WXUNUSED(depth) = 1) + { return false; } + + DECLARE_DYNAMIC_CLASS(wxXPMFileHandler) +}; - // Blit picture +IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) - XGCValues gcvalues; - gcvalues.foreground = BlackPixel( dpy, DefaultScreen( dpy ) ); - GC gc = XCreateGC( dpy, RootWindow ( dpy, DefaultScreen(dpy) ), GCForeground, &gcvalues ); - XPutImage( dpy, (Drawable)GetPixmap(), gc, data_image, 0, 0, 0, 0, width, height ); +bool wxXPMFileHandler::LoadFile(wxBitmap *bitmap, + const wxString& name, + wxBitmapType WXUNUSED(flags), + int WXUNUSED(desiredWidth), + int WXUNUSED(desiredHeight)) +{ +#if wxHAVE_LIB_XPM + if (!bitmap->GetRefData()) + bitmap->SetRefData( new wxBitmapRefData() ); - XDestroyImage( data_image ); - XFreeGC( dpy, gc ); + M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); - // Blit mask - if (image.HasMask()) + Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; + + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); + + int bpp = DefaultDepth( xdisplay, xscreen ); + + XpmAttributes xpmAttr; + xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back + + Pixmap pixmap; + Pixmap mask = 0; + + int ErrorStatus = XpmReadFileToPixmap( xdisplay, xroot, + (char*) ((const char*) name.c_str()), + &pixmap, &mask, &xpmAttr); + + if (ErrorStatus == XpmSuccess) { - wxBitmap maskBitmap(width, height, 1); + M_BMPHANDLERDATA->m_width = xpmAttr.width; + M_BMPHANDLERDATA->m_height = xpmAttr.height; - GC gcMask = XCreateGC( dpy, (Pixmap) maskBitmap.GetPixmap(), (XtGCMask) 0, (XGCValues*)NULL ); - XPutImage( dpy, (Drawable)maskBitmap.GetPixmap(), gcMask, mask_image, 0, 0, 0, 0, width, height ); + M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? - XDestroyImage( mask_image ); - XFreeGC( dpy, gcMask ); + XpmFreeAttributes(&xpmAttr); - wxMask* mask = new wxMask; - mask->SetPixmap(maskBitmap.GetPixmap()); + M_BMPHANDLERDATA->m_bitmap = (Pixmap) pixmap; - SetMask(mask); + if (mask) + { + M_BMPHANDLERDATA->m_mask = new wxMask; + M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask ); + M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay ); + } + } + else + { + UnRef(); - maskBitmap.SetPixmapNull(); + return false; } + return true; +#elif wxUSE_STREAMS + wxXPMDecoder decoder; + wxFileInputStream stream(name); + if (stream.IsOk()) + { + wxImage image(decoder.ReadFile(stream)); + return image.IsOk() && bitmap->CreateFromImage(image); + } - return TRUE; + return false; +#else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS + return false; +#endif // wxHAVE_LIB_XPM / wxUSE_STREAMS } -wxImage wxBitmap::ConvertToImage() const +bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, + const wxString& name, + wxBitmapType type, + const wxPalette *WXUNUSED(palette)) const { - wxImage image; - - wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + wxImage image(bitmap->ConvertToImage()); + if (image.IsOk()) + return image.SaveFile( name, type ); - Display *dpy = (Display*) wxGetDisplay(); - Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); - int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); - - XImage *ximage = XGetImage( dpy, - (Drawable)GetPixmap(), - 0, 0, - GetWidth(), GetHeight(), - AllPlanes, ZPixmap ); + return false; +} - wxCHECK_MSG( ximage, wxNullImage, wxT("couldn't create image") ); +#endif // wxHAVE_LIB_XPM || wxUSE_STREAMS - image.Create( GetWidth(), GetHeight() ); - char unsigned *data = image.GetData(); +// ---------------------------------------------------------------------------- +// wxXPMDataHandler +// ---------------------------------------------------------------------------- - if (!data) +class wxXPMDataHandler : public wxBitmapHandler +{ + DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) +public: + wxXPMDataHandler() { - XDestroyImage( ximage ); - wxFAIL_MSG( wxT("couldn't create image") ); - return wxNullImage; - } + SetName( wxT("XPM data") ); + SetExtension( wxT("xpm") ); + SetType( wxBITMAP_TYPE_XPM_DATA ); + }; - /* - GdkImage *gdk_image_mask = (GdkImage*) NULL; - if (GetMask()) - { - gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), - 0, 0, - GetWidth(), GetHeight() ); + virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap), + const wxString& WXUNUSED(name), + wxBitmapType WXUNUSED(flags), + int WXUNUSED(desiredWidth), + int WXUNUSED(desiredHeight)) + { return false; } + + virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap), + const wxString& WXUNUSED(name), + wxBitmapType WXUNUSED(type), + const wxPalette *WXUNUSED(palette) = NULL) const + { return false; } + + virtual bool Create(wxBitmap *bitmap, const void* data, wxBitmapType flags, + int width, int height, int depth = 1); +}; - image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable - } - */ +IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) - // Retrieve depth info +bool wxXPMDataHandler::Create(wxBitmap *bitmap, const void* bits, + wxBitmapType WXUNUSED(flags), + int WXUNUSED(width), int WXUNUSED(height), int WXUNUSED(depth)) +{ +#if wxHAVE_LIB_XPM + wxCHECK_MSG( bits != NULL, false, wxT("invalid bitmap data") ); - XVisualInfo vinfo_template; - XVisualInfo *vi; + if (!bitmap->GetRefData()) + bitmap->SetRefData( new wxBitmapRefData() ); - vinfo_template.visual = vis; - vinfo_template.visualid = XVisualIDFromVisual( vis ); - vinfo_template.depth = bpp; - int nitem = 0; + M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); - vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); + Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; - wxCHECK_MSG( vi, wxNullImage, wxT("no visual") ); + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); - if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; + int bpp = DefaultDepth( xdisplay, xscreen ); - XFree( vi ); + XpmAttributes xpmAttr; + xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back - XColor colors[256]; - if (bpp == 8) - { - Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); + Pixmap pixmap = 0; + Pixmap mask = 0; - for (int i = 0; i < 256; i++) colors[i].pixel = i; - XQueryColors( dpy, cmap, colors, 256 ); - } + int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits, + &pixmap, &mask, &xpmAttr ); - long pos = 0; - for (int j = 0; j < GetHeight(); j++) + if (ErrorStatus == XpmSuccess) { - for (int i = 0; i < GetWidth(); i++) - { - int pixel = XGetPixel( ximage, i, j ); - if (bpp <= 8) - { - data[pos] = colors[pixel].red >> 8; - data[pos+1] = colors[pixel].green >> 8; - data[pos+2] = colors[pixel].blue >> 8; - } else if (bpp == 15) - { - data[pos] = (pixel >> 7) & 0xf8; - data[pos+1] = (pixel >> 2) & 0xf8; - data[pos+2] = (pixel << 3) & 0xf8; - } else if (bpp == 16) - { - data[pos] = (pixel >> 8) & 0xf8; - data[pos+1] = (pixel >> 3) & 0xfc; - data[pos+2] = (pixel << 3) & 0xf8; - } else - { - data[pos] = (pixel >> 16) & 0xff; - data[pos+1] = (pixel >> 8) & 0xff; - data[pos+2] = pixel & 0xff; - } + M_BMPHANDLERDATA->m_width = xpmAttr.width; + M_BMPHANDLERDATA->m_height = xpmAttr.height; - /* - if (gdk_image_mask) - { - int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j ); - if (mask_pixel == 0) - { - data[pos] = 16; - data[pos+1] = 16; - data[pos+2] = 16; - } - } - */ + M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? - pos += 3; +#if wxDEBUG_LEVEL + unsigned int depthRet; + int xRet, yRet; + unsigned int widthRet, heightRet, borderWidthRet; + XGetGeometry( xdisplay, pixmap, &xroot, &xRet, &yRet, + &widthRet, &heightRet, &borderWidthRet, &depthRet); + + wxASSERT_MSG( bpp == (int)depthRet, wxT("colour depth mismatch") ); +#endif // wxDEBUG_LEVEL + + XpmFreeAttributes(&xpmAttr); + + M_BMPHANDLERDATA->m_pixmap = (Pixmap) pixmap; + + if (mask) + { + M_BMPHANDLERDATA->m_mask = new wxMask; + M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask ); + M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay ); } + return true; } + else + { + bitmap->UnRef(); - XDestroyImage( ximage ); - /* - if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); - */ + return false; + } +#else // !wxHAVE_LIB_XPM + wxXPMDecoder decoder; + wxImage image(decoder.ReadData((const char **)bits)); + return image.IsOk() && bitmap->CreateFromImage(image); +#endif // wxHAVE_LIB_XPM/!wxHAVE_LIB_XPM +} - return image; +#endif // wxUSE_XPM + +// ---------------------------------------------------------------------------- +// wxXBMDataHandler +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxXBMDataHandler: public wxBitmapHandler +{ + DECLARE_DYNAMIC_CLASS(wxXBMDataHandler) +public: + inline wxXBMDataHandler() + { + SetName( wxT("XBM data") ); + SetExtension( wxT("xbm") ); + SetType( wxBITMAP_TYPE_XBM_DATA ); + }; + + virtual bool LoadFile(wxBitmap *WXUNUSED(bitmap), + const wxString& WXUNUSED(name), + wxBitmapType WXUNUSED(flags), + int WXUNUSED(desiredWidth), + int WXUNUSED(desiredHeight)) + { return false; } + + virtual bool SaveFile(const wxBitmap *WXUNUSED(bitmap), + const wxString& WXUNUSED(name), + wxBitmapType WXUNUSED(type), + const wxPalette *WXUNUSED(palette) = NULL) const + { return false; } + + virtual bool Create(wxBitmap *bitmap, const void* data, wxBitmapType type, + int width, int height, int depth = 1); +}; + +IMPLEMENT_DYNAMIC_CLASS(wxXBMDataHandler, wxBitmapHandler) + +bool wxXBMDataHandler::Create( wxBitmap *bitmap, const void* bits, + wxBitmapType WXUNUSED(type), + int width, int height, int WXUNUSED(depth)) +{ +#if !wxUSE_NANOX + if (!bitmap->GetRefData()) + bitmap->SetRefData( new wxBitmapRefData() ); + + M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); + + Display *xdisplay = (Display*) M_BMPHANDLERDATA->m_display; + + int xscreen = DefaultScreen( xdisplay ); + Window xroot = RootWindow( xdisplay, xscreen ); + + M_BMPHANDLERDATA->m_mask = NULL; + M_BMPHANDLERDATA->m_bitmap = + XCreateBitmapFromData(xdisplay, xroot, + (char *) bits, width, height ); + M_BMPHANDLERDATA->m_width = width; + M_BMPHANDLERDATA->m_height = height; + M_BMPHANDLERDATA->m_bpp = 1; + + return true; +#else + wxCHECK_MSG( M_BMPHANDLERDATA->m_bitmap, false, + wxT("couldn't create bitmap") ); +#endif +} + +void wxBitmap::InitStandardHandlers() +{ + AddHandler(new wxXBMDataHandler); +#if wxUSE_XPM +#if wxHAVE_LIB_XPM || wxUSE_STREAMS + AddHandler(new wxXPMFileHandler); +#endif + AddHandler(new wxXPMDataHandler); +#endif }