///////////////////////////////////////////////////////////////////////////// // Name: src/x11/bitmap.cpp // Purpose: wxBitmap // Author: Julian Smart, Robert Roebling // Modified by: // Created: 17/09/98 // Copyright: (c) Julian Smart, Robert Roebling // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // for compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" #include "wx/bitmap.h" #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" /* 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 static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap, int x, int y, int width, int height, int depth ); #if wxUSE_XPM #if wxHAVE_LIB_XPM #include #else #include "wx/xpmdecod.h" #include "wx/wfstream.h" #endif #endif //----------------------------------------------------------------------------- // wxMask //----------------------------------------------------------------------------- IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject) wxMask::wxMask() { m_bitmap = NULL; m_display = NULL; } wxMask::wxMask(const wxMask& mask) { m_display = mask.m_display; if ( !mask.m_bitmap ) { m_bitmap = NULL; return; } m_size = mask.m_size; // 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); } wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour ) { m_bitmap = NULL; Create( bitmap, colour ); } wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex ) { m_bitmap = NULL; Create( bitmap, paletteIndex ); } wxMask::wxMask( const wxBitmap& bitmap ) { m_bitmap = NULL; Create( bitmap ); } wxMask::~wxMask() { if (m_bitmap) XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); } bool wxMask::Create( const wxBitmap& bitmap, const wxColour& colour ) { m_size = bitmap.GetSize(); #if !wxUSE_NANOX if (m_bitmap) { XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); m_bitmap = NULL; } m_display = bitmap.GetDisplay(); wxImage image = bitmap.ConvertToImage(); if (!image.IsOk()) return false; m_display = bitmap.GetDisplay(); Display *xdisplay = (Display*) m_display; int xscreen = DefaultScreen( xdisplay ); Window xroot = RootWindow( xdisplay, xscreen ); m_bitmap = (WXPixmap) XCreatePixmap( xdisplay, xroot, image.GetWidth(), image.GetHeight(), 1 ); GC gc = XCreateGC( xdisplay, (Pixmap) m_bitmap, 0, NULL ); XSetForeground( xdisplay, gc, WhitePixel(xdisplay,xscreen) ); XSetFillStyle( xdisplay, gc, FillSolid ); XFillRectangle( xdisplay, (Pixmap) m_bitmap, gc, 0, 0, image.GetWidth(), image.GetHeight() ); unsigned char *data = image.GetData(); int index = 0; unsigned char red = colour.Red(); unsigned char green = colour.Green(); unsigned char blue = colour.Blue(); int bpp = wxTheApp->GetVisualInfo(m_display)->m_visualDepth; 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; } XSetForeground( xdisplay, gc, BlackPixel(xdisplay,xscreen) ); 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++) { 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; } if (start_x != -1) XDrawLine( xdisplay, (Pixmap) m_bitmap, gc, start_x, j, i, j ); } XFreeGC( xdisplay, gc ); return true; #else return false; #endif // wxUSE_NANOX } bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex ) { unsigned char r,g,b; wxPalette *pal = bitmap.GetPalette(); wxCHECK_MSG( pal, false, wxT("Cannot create mask from bitmap without palette") ); pal->GetRGB(paletteIndex, &r, &g, &b); return Create(bitmap, wxColour(r, g, b)); } bool wxMask::Create( const wxBitmap& bitmap ) { #if !wxUSE_NANOX if (m_bitmap) { XFreePixmap( (Display*) m_display, (Pixmap) m_bitmap ); m_bitmap = NULL; } if (!bitmap.IsOk()) return false; wxCHECK_MSG( bitmap.GetBitmap(), false, wxT("Cannot create mask from colour bitmap") ); m_display = bitmap.GetDisplay(); int xscreen = DefaultScreen( (Display*) m_display ); Window xroot = RootWindow( (Display*) m_display, xscreen ); m_bitmap = (WXPixmap) XCreatePixmap( (Display*) m_display, xroot, bitmap.GetWidth(), bitmap.GetHeight(), 1 ); if (!m_bitmap) return false; GC gc = XCreateGC( (Display*) m_display, (Pixmap) m_bitmap, 0, NULL ); XCopyPlane( (Display*) m_display, (Pixmap) bitmap.GetBitmap(), (Pixmap) m_bitmap, gc, 0, 0, bitmap.GetWidth(), bitmap.GetHeight(), 0, 0, 1 ); XFreeGC( (Display*) m_display, gc ); return true; #else return false; #endif // wxUSE_NANOX } //----------------------------------------------------------------------------- // wxBitmapRefData //----------------------------------------------------------------------------- class wxBitmapRefData : public wxGDIRefData { 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; }; 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; } wxBitmapRefData::wxBitmapRefData(const wxBitmapRefData& data) { m_pixmap = 0; m_bitmap = 0; m_display = data.m_display; m_mask = NULL; // FIXME: should copy m_palette = NULL; // FIXME: should copy Create(data.m_width, data.m_height, data.m_bpp); } bool wxBitmapRefData::Create(int width, int height, int depth) { m_width = width; m_height = height; m_bpp = depth; m_display = wxGlobalDisplay(); wxCHECK_MSG( m_display, false, wxT("No display") ); int xscreen = DefaultScreen(m_display); int bpp = DefaultDepth(m_display, xscreen); if ( depth == -1 ) depth = bpp; wxCHECK_MSG( (depth == bpp) || (depth == 1), false, wxT("invalid bitmap depth") ); #if wxUSE_NANOX m_pixmap = (WXPixmap) GrNewPixmap(width, height, NULL); #else // !wxUSE_NANOX Window xroot = RootWindow(m_display, xscreen); *(depth == 1 ? &m_bitmap : &m_pixmap) = XCreatePixmap(m_display, xroot, width, height, depth); #endif // wxUSE_NANOX/!wxUSE_NANOX wxCHECK_MSG( m_pixmap || m_bitmap, false, wxT("Bitmap creation failed") ); return true; } wxBitmapRefData::~wxBitmapRefData() { if (m_pixmap) XFreePixmap(m_display, m_pixmap); if (m_bitmap) XFreePixmap(m_display, m_bitmap); delete m_mask; delete m_palette; } //----------------------------------------------------------------------------- // helper function static WXPixmap wxGetSubPixmap( WXDisplay* xdisplay, WXPixmap xpixmap, int x, int y, int width, int height, int depth ) { Display * const dpy = (Display *)xdisplay; int xscreen = DefaultScreen( dpy ); Window xroot = RootWindow( dpy, xscreen ); Visual* xvisual = DefaultVisual( dpy, xscreen ); 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 ); 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 ); return (WXPixmap)ret; } //----------------------------------------------------------------------------- // wxBitmap //----------------------------------------------------------------------------- #define M_BMPDATA ((wxBitmapRefData *)m_refData) IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject) bool wxBitmap::Create( int width, int height, int depth ) { UnRef(); wxCHECK_MSG( (width > 0) && (height > 0), false, wxT("invalid bitmap size") ); m_refData = new wxBitmapRefData(); return M_BMPDATA->Create(width, height, depth); } bool wxBitmap::Create(const void* data, wxBitmapType type, int width, int height, int depth) { 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); } bool wxBitmap::Create(WXPixmap pixmap) { UnRef(); Pixmap xpixmap = (Pixmap)pixmap; Display* xdisplay = wxGlobalDisplay(); int xscreen = DefaultScreen( xdisplay ); Window xroot = RootWindow( xdisplay, xscreen ); // make a copy of the Pixmap Window root; int x, y; unsigned width, height, border, depth; XGetGeometry( xdisplay, (Drawable)xpixmap, &root, &x, &y, &width, &height, &border, &depth ); Pixmap copy = XCreatePixmap( xdisplay, xroot, width, height, depth ); 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; } wxBitmap::wxBitmap(const char* const* bits) { Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); } wxGDIRefData *wxBitmap::CreateGDIRefData() const { return new wxBitmapRefData; } wxGDIRefData *wxBitmap::CloneGDIRefData(const wxGDIRefData *data) const { return new wxBitmapRefData(*static_cast(data)); } bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) { #if wxUSE_NANOX if (!image.IsOk()) { wxASSERT_MSG(image.IsOk(), wxT("Invalid wxImage passed to wxBitmap::CreateFromImage.")); return false; } int w = image.GetWidth(); int h = image.GetHeight(); if (!Create(w, h, depth)) return false; // 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(); GC pixmapGC = GrNewGC(); Pixmap pixmap = (Pixmap) GetPixmap(); GC maskGC = 0; Pixmap maskPixmap = 0; unsigned char maskR = 0; unsigned char maskG = 0; unsigned char maskB = 0; if (hasMask) { 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); } } GR_COLOR lastPixmapColour = 0; GR_COLOR lastMaskColour = 0; int i, j; for (i = 0; i < w; i++) { 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); GR_COLOR colour = GR_RGB(red, green, blue); // 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); } } } GrDestroyGC(pixmapGC); if (hasMask) GrDestroyGC(maskGC); return true; #else // !wxUSE_NANOX UnRef(); wxCHECK_MSG( image.IsOk(), false, wxT("invalid image") ); wxCHECK_MSG( depth == -1, false, wxT("invalid bitmap depth") ); m_refData = new wxBitmapRefData(); M_BMPDATA->m_display = wxGlobalDisplay(); Display *xdisplay = (Display*) M_BMPDATA->m_display; 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; if (depth != 1) depth = bpp; M_BMPDATA->m_bpp = depth; if (depth == 1) { wxFAIL_MSG( wxT("mono images later") ); } else { // 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) { wxLogError( wxT("Out of memory.") ); // TODO clean return false; } M_BMPDATA->m_pixmap = XCreatePixmap( xdisplay, xroot, width, height, depth ); // Create mask if necessary const bool hasMask = image.HasMask(); XImage *mask_image = NULL; if ( hasMask ) { 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 ); if (mask_image->data == NULL) { wxLogError( wxT("Out of memory.") ); // TODO clean return false; } wxMask *mask = new wxMask(); mask->SetDisplay( xdisplay ); mask->SetBitmap( (WXPixmap) XCreatePixmap( xdisplay, xroot, width, height, 1 ) ); SetMask( mask ); } if (bpp < 8) bpp = 8; // Render enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; byte_order b_o = RGB; wxXVisualInfo* vi = wxTheApp->GetVisualInfo(M_BMPDATA->m_display); unsigned long greenMask = vi->m_visualGreenMask, redMask = vi->m_visualRedMask, blueMask = vi->m_visualBlueMask; 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; } int r_mask = image.GetMaskRed(); int g_mask = image.GetMaskGreen(); int b_mask = image.GetMaskBlue(); unsigned char* data = image.GetData(); wxASSERT_MSG( data, wxT("No image data") ); unsigned char *colorCube = wxTheApp->GetVisualInfo(M_BMPDATA->m_display)->m_colorCube; 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 ); } 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 // Blit picture 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 ); // Blit mask if (image.HasMask()) { 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 ); } } return true; #endif // wxUSE_NANOX } wxImage wxBitmap::ConvertToImage() const { wxImage image; wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") ); 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") ); } wxCHECK_MSG( x_image, wxNullImage, wxT("couldn't create image") ); image.Create( GetWidth(), GetHeight() ); char unsigned *data = image.GetData(); if (!data) { XDestroyImage( x_image ); wxFAIL_MSG( wxT("couldn't create image") ); return wxNullImage; } XImage *x_image_mask = NULL; if (GetMask()) { x_image_mask = XGetImage( xdisplay, (Pixmap) GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight(), AllPlanes, ZPixmap ); image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable } 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; 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; use_shift = (vi->m_visualType == GrayScale) || (vi->m_visualType != PseudoColor); } 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++) { for (int i = 0; i < width; i++) { 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) { int mask_pixel = XGetPixel( x_image_mask, i, j ); if (mask_pixel == 0) { data[pos] = 16; data[pos+1] = 16; data[pos+2] = 16; } } pos += 3; } } XDestroyImage( x_image ); if (x_image_mask) XDestroyImage( x_image_mask ); return image; #endif // wxUSE_NANOX } wxBitmap::wxBitmap( const wxString &filename, wxBitmapType type ) { 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() { } int wxBitmap::GetHeight() const { wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_height; } int wxBitmap::GetWidth() const { wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_width; } int wxBitmap::GetDepth() const { wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") ); return M_BMPDATA->m_bpp; } wxMask *wxBitmap::GetMask() const { wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_mask; } void wxBitmap::SetMask( wxMask *mask ) { wxCHECK_RET( IsOk(), wxT("invalid bitmap") ); AllocExclusive(); if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask; M_BMPDATA->m_mask = mask; } bool wxBitmap::CopyFromIcon(const wxIcon& icon) { *this = icon; return true; } 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") ); wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp ); wxASSERT_MSG( ret.IsOk(), wxT("GetSubBitmap error") ); 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 ) ); } 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 { 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; } return handler->SaveFile(this, name, type, palette); } bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type ) { 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; } return handler->LoadFile(this, name, type, -1, -1); } void wxBitmap::SetPalette(const wxPalette& palette) { 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); } wxPalette *wxBitmap::GetPalette() const { if (!IsOk()) return NULL; return M_BMPDATA->m_palette; } void wxBitmap::SetHeight( int height ) { AllocExclusive(); M_BMPDATA->m_height = height; } void wxBitmap::SetWidth( int width ) { AllocExclusive(); M_BMPDATA->m_width = width; } void wxBitmap::SetDepth( int depth ) { AllocExclusive(); M_BMPDATA->m_bpp = depth; } void wxBitmap::SetPixmap( WXPixmap pixmap ) { if (!m_refData) m_refData = new wxBitmapRefData(); M_BMPDATA->m_pixmap = (Pixmap)pixmap; } void wxBitmap::SetBitmap( WXPixmap bitmap ) { if (!m_refData) m_refData = new wxBitmapRefData(); M_BMPDATA->m_bitmap = (Pixmap)bitmap; } WXPixmap wxBitmap::GetPixmap() const { wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); return (WXPixmap)M_BMPDATA->m_pixmap; } WXPixmap wxBitmap::GetBitmap() const { wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); return (WXPixmap)M_BMPDATA->m_bitmap; } WXPixmap wxBitmap::GetDrawable() const { wxCHECK_MSG( IsOk(), (WXPixmap) NULL, wxT("invalid bitmap") ); return (WXPixmap)(M_BMPDATA->m_bpp == 1 ? M_BMPDATA->m_bitmap : M_BMPDATA->m_pixmap); } WXDisplay *wxBitmap::GetDisplay() const { wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") ); return M_BMPDATA->m_display; } #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; GrGetScreenInfo(&sinfo); if (sinfo.pixtype == MWPF_PALETTE) { if(!(palette = (GR_PALETTE*) malloc(sizeof(GR_PALETTE)))) { return false; } GrGetSystemPalette(palette); } if(!(pixels = (GR_PIXELVAL*) malloc(sizeof(GR_PIXELVAL) * width * height))) { return false; } 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; } image.SetRGB(x, y, rgb[0], rgb[1], rgb[2]); } free(pixels); if(palette) free(palette); return true; } #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; pp = (unsigned char*) & pixel ; 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 0; } *(red) = rgb[0]; *(green) = rgb[1]; *(blue) = rgb[2]; return 1; } #endif #endif // wxUSE_NANOX // ============================================================================ // Bitmap handlers // ============================================================================ #define M_BMPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData()) #if wxUSE_XPM #if wxHAVE_LIB_XPM || wxUSE_STREAMS // ---------------------------------------------------------------------------- // wxXPMFileHandler // ---------------------------------------------------------------------------- class wxXPMFileHandler : public wxBitmapHandler { public: wxXPMFileHandler() { SetName( wxT("XPM file") ); SetExtension( wxT("xpm") ); SetType( wxBITMAP_TYPE_XPM ); }; virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, wxBitmapType flags, int desiredWidth, int desiredHeight); virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name, wxBitmapType type, const wxPalette *palette = NULL) const; 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) }; IMPLEMENT_DYNAMIC_CLASS(wxXPMFileHandler, wxBitmapHandler) 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() ); M_BMPHANDLERDATA->m_display = wxGlobalDisplay(); 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) { M_BMPHANDLERDATA->m_width = xpmAttr.width; M_BMPHANDLERDATA->m_height = xpmAttr.height; M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? XpmFreeAttributes(&xpmAttr); M_BMPHANDLERDATA->m_bitmap = (Pixmap) pixmap; if (mask) { M_BMPHANDLERDATA->m_mask = new wxMask; M_BMPHANDLERDATA->m_mask->SetBitmap( (WXPixmap) mask ); M_BMPHANDLERDATA->m_mask->SetDisplay( xdisplay ); } } else { UnRef(); 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 false; #else // !wxHAVE_LIB_XPM && !wxUSE_STREAMS return false; #endif // wxHAVE_LIB_XPM / wxUSE_STREAMS } bool wxXPMFileHandler::SaveFile(const wxBitmap *bitmap, const wxString& name, wxBitmapType type, const wxPalette *WXUNUSED(palette)) const { wxImage image(bitmap->ConvertToImage()); if (image.IsOk()) return image.SaveFile( name, type ); return false; } #endif // wxHAVE_LIB_XPM || wxUSE_STREAMS // ---------------------------------------------------------------------------- // wxXPMDataHandler // ---------------------------------------------------------------------------- class wxXPMDataHandler : public wxBitmapHandler { DECLARE_DYNAMIC_CLASS(wxXPMDataHandler) public: wxXPMDataHandler() { SetName( wxT("XPM data") ); SetExtension( wxT("xpm") ); SetType( wxBITMAP_TYPE_XPM_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 flags, int width, int height, int depth = 1); }; IMPLEMENT_DYNAMIC_CLASS(wxXPMDataHandler, wxBitmapHandler) 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") ); 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 ); int bpp = DefaultDepth( xdisplay, xscreen ); XpmAttributes xpmAttr; xpmAttr.valuemask = XpmReturnInfos; // nothing yet, but get infos back Pixmap pixmap = 0; Pixmap mask = 0; int ErrorStatus = XpmCreatePixmapFromData( xdisplay, xroot, (char**) bits, &pixmap, &mask, &xpmAttr ); if (ErrorStatus == XpmSuccess) { M_BMPHANDLERDATA->m_width = xpmAttr.width; M_BMPHANDLERDATA->m_height = xpmAttr.height; M_BMPHANDLERDATA->m_bpp = bpp; // mono as well? #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(); 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 } #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 }