X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/338dd992160bf20205743c092b353d96ef7604fb..836915e177aa750ca5c3bc19b4dbdedd36603e8d:/src/motif/bitmap.cpp diff --git a/src/motif/bitmap.cpp b/src/motif/bitmap.cpp index 443000b14b..4747f9ab1d 100644 --- a/src/motif/bitmap.cpp +++ b/src/motif/bitmap.cpp @@ -13,6 +13,10 @@ #pragma implementation "bitmap.h" #endif +#ifdef __VMS +#define XtParent XTPARENT +#endif + #include "wx/setup.h" #include "wx/utils.h" #include "wx/palette.h" @@ -22,6 +26,7 @@ #include "wx/control.h" #include "wx/dcmemory.h" #include "wx/image.h" +#include "wx/app.h" #ifdef __VMS__ #pragma message disable nosimpint @@ -36,11 +41,11 @@ #if wxHAVE_LIB_XPM #include #endif +#include -#if !USE_SHARED_LIBRARIES - IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) - IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) -#endif + +IMPLEMENT_DYNAMIC_CLASS(wxBitmap, wxGDIObject) +IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject) wxBitmapRefData::wxBitmapRefData() { @@ -110,18 +115,15 @@ wxBitmapRefData::~wxBitmapRefData() wxList wxBitmap::sm_handlers; +#define M_BMPDATA ((wxBitmapRefData *)m_refData) + wxBitmap::wxBitmap() { m_refData = NULL; - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); } wxBitmap::~wxBitmap() { - if (wxTheBitmapList) - wxTheBitmapList->DeleteObject(this); } wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) @@ -129,33 +131,21 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth) m_refData = new wxBitmapRefData; (void) Create((void*) bits, wxBITMAP_TYPE_XBM_DATA, width, height, depth); - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap(int w, int h, int d) { (void)Create(w, h, d); - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth) { (void) Create(data, type, width, height, depth); - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); } wxBitmap::wxBitmap(const wxString& filename, long type) { LoadFile(filename, (int)type); - - if ( wxTheBitmapList ) - wxTheBitmapList->AddBitmap(this); } // Create from XPM data @@ -170,6 +160,19 @@ wxBitmap::wxBitmap(char **data, wxControl* control) sg_Control = (wxControl*) NULL; } +bool wxBitmap::CreateFromXpm(const char **bits) +{ + wxCHECK_MSG( bits, FALSE, _T("NULL pointer in wxBitmap::CreateFromXpm") ); + + return Create(bits, wxBITMAP_TYPE_XPM_DATA, 0, 0, 0); +} + +bool wxBitmap::CopyFromIcon(const wxIcon& icon) +{ + *this = icon; + return TRUE; +} + bool wxBitmap::Create(int w, int h, int d) { UnRef(); @@ -303,6 +306,20 @@ void wxBitmap::SetMask(wxMask *mask) M_BITMAPDATA->m_bitmapMask = mask ; } +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") ); + + wxBitmap ret( rect.width, rect.height, 0 ); + wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") ); + + // The remaining still TODO + return ret; +} + void wxBitmap::AddHandler(wxBitmapHandler *handler) { sm_handlers.Append(handler); @@ -830,10 +847,10 @@ WXPixmap wxBitmap::GetLabelPixmap (WXWidget w) this is a catch22!! - So, before doing thing really clean, I just do nothing; if the pixmap is - referenced by many widgets, Motif performs caching functions. - And if pixmap is referenced with multiples colors, we just have some - memory leaks... I hope we can deal with them... + So, before doing thing really clean, I just do nothing; if the pixmap is + referenced by many widgets, Motif performs caching functions. + And if pixmap is referenced with multiples colors, we just have some + memory leaks... I hope we can deal with them... */ // Must be destroyed, because colours can have been changed! if (M_BITMAPDATA->m_labelPixmap) @@ -862,26 +879,27 @@ WXPixmap wxBitmap::GetArmPixmap (WXWidget w) Display *dpy = (Display*) M_BITMAPDATA->m_display; #ifdef FOO - See GetLabelPixmap () comment - // Must be destroyed, because colours can have been changed! - if (M_BITMAPDATA->m_armPixmap) - XmDestroyPixmap (DefaultScreenOfDisplay (dpy), M_BITMAPDATA->m_armPixmap); + // See GetLabelPixmap () comment + + // Must be destroyed, because colours can have been changed! + if (M_BITMAPDATA->m_armPixmap) + XmDestroyPixmap (DefaultScreenOfDisplay (dpy), M_BITMAPDATA->m_armPixmap); #endif - char tmp[128]; - sprintf (tmp, "Im%x", (unsigned int) M_BITMAPDATA->m_image); + char tmp[128]; + sprintf (tmp, "Im%x", (unsigned int) M_BITMAPDATA->m_image); - Pixel fg, bg; - Widget widget = (Widget) w; + Pixel fg, bg; + Widget widget = (Widget) w; - XtVaGetValues (widget, XmNarmColor, &bg, NULL); - while (XmIsGadget (widget)) - widget = XtParent (widget); - XtVaGetValues (widget, XmNforeground, &fg, NULL); + XtVaGetValues (widget, XmNarmColor, &bg, NULL); + while (XmIsGadget (widget)) + widget = XtParent (widget); + XtVaGetValues (widget, XmNforeground, &fg, NULL); - M_BITMAPDATA->m_armPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); + M_BITMAPDATA->m_armPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); - return M_BITMAPDATA->m_armPixmap; + return M_BITMAPDATA->m_armPixmap; } WXPixmap wxBitmap::GetInsensPixmap (WXWidget w) @@ -910,19 +928,19 @@ WXPixmap wxBitmap::GetInsensPixmap (WXWidget w) XmDestroyPixmap (DefaultScreenOfDisplay (dpy), (Pixmap) M_BITMAPDATA->m_insensPixmap); #endif - char tmp[128]; - sprintf (tmp, "Not%x", (unsigned int) M_BITMAPDATA->m_insensImage); + char tmp[128]; + sprintf (tmp, "Not%x", (unsigned int) M_BITMAPDATA->m_insensImage); - Pixel fg, bg; - Widget widget = (Widget) w; + Pixel fg, bg; + Widget widget = (Widget) w; - while (XmIsGadget (widget)) - widget = XtParent (widget); - XtVaGetValues (widget, XmNbackground, &bg, XmNforeground, &fg, NULL); + while (XmIsGadget (widget)) + widget = XtParent (widget); + XtVaGetValues (widget, XmNbackground, &bg, XmNforeground, &fg, NULL); - M_BITMAPDATA->m_insensPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); + M_BITMAPDATA->m_insensPixmap = (WXPixmap) XmGetPixmap (DefaultScreenOfDisplay (dpy), tmp, fg, bg); - return M_BITMAPDATA->m_insensPixmap; + return M_BITMAPDATA->m_insensPixmap; } // We may need this sometime... @@ -932,30 +950,30 @@ WXPixmap wxBitmap::GetInsensPixmap (WXWidget w) NAME XCreateInsensitivePixmap - create a grayed-out copy of a pixmap - SYNOPSIS - Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) + SYNOPSIS + Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) - DESCRIPTION - This function creates a grayed-out copy of the argument pixmap, suitable - for use as a XmLabel's XmNlabelInsensitivePixmap resource. + DESCRIPTION + This function creates a grayed-out copy of the argument pixmap, suitable + for use as a XmLabel's XmNlabelInsensitivePixmap resource. - 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. + 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. - 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(). + 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(). - SEE ALSO - XCopyArea(3), XCreateBitmapFromData(3), XCreateGC(3), XCreatePixmap(3), - XFillRectangle(3), exit(2) + SEE ALSO + XCopyArea(3), XCreateBitmapFromData(3), XCreateGC(3), XCreatePixmap(3), + XFillRectangle(3), exit(2) - 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 + 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 *****************************************************************************/ @@ -963,14 +981,13 @@ Pixmap XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) { - static - char stipple_data[] = - { - 0x55, 0x55, 0xAA, 0xAA, 0x55, 0x55, 0xAA, 0xAA, + 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; @@ -985,30 +1002,30 @@ XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) return ipixmap; if ( 0 == XGetGeometry( display, pixmap, &window, &x, &y, - &width, &height, &border, &depth ) - ) + &width, &height, &border, &depth ) + ) return ipixmap; /* BadDrawable: probably an invalid pixmap */ - /* Get the stipple pixmap to be used to 'gray-out' the argument 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 ) { gc = XCreateGC( display, pixmap, (XtGCMask)0, (XGCValues*)NULL ); if ( NULL != gc ) { - /* Create an identical copy of the argument pixmap. - */ + /* Create an identical copy of the argument pixmap. + */ ipixmap = XCreatePixmap( display, pixmap, width, height, depth ); if ( 0 != ipixmap ) { - /* Copy the argument pixmap into the new pixmap. - */ + /* Copy the argument pixmap into the new pixmap. + */ XCopyArea( display, pixmap, ipixmap, - gc, 0, 0, width, height, 0, 0 ); + gc, 0, 0, width, height, 0, 0 ); - /* Refill the new pixmap using the stipple algorithm/pixmap. - */ + /* 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 ); @@ -1022,7 +1039,7 @@ XCreateInsensitivePixmap( Display *display, Pixmap pixmap ) // Creates a bitmap with transparent areas drawn in // the given colour. -wxBitmap wxCreateMaskedBitmap(wxBitmap& bitmap, wxColour& colour) +wxBitmap wxCreateMaskedBitmap(const wxBitmap& bitmap, wxColour& colour) { wxBitmap newBitmap(bitmap.GetWidth(), bitmap.GetHeight(), @@ -1040,3 +1057,508 @@ wxBitmap wxCreateMaskedBitmap(wxBitmap& bitmap, wxColour& colour) return newBitmap; } + + + + +//----------------------------------------------------------------------------- +// wxImage conversion routines +//----------------------------------------------------------------------------- + +/* + +Date: Wed, 05 Jan 2000 11:45:40 +0100 +From: Frits Boel +To: julian.smart@ukonline.co.uk +Subject: Patch for Motif ConvertToBitmap + +Hi Julian, + +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! + +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. + +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? + +The code of the patch is attached, have a look on it, and maybe you will +ship it with the next release of wxMotif? + +Regards, + +Frits Boel +Software engineer at Hubrecht Laboratory, The Netherlands. + +*/ + +class wxSearchColor +{ +public: + wxSearchColor( void ); + wxSearchColor( int size, XColor *colors ); + ~wxSearchColor( void ); + + int SearchColor( int r, int g, int b ); +private: + int AddColor( unsigned int value, int pos ); + + int size; + XColor *colors; + unsigned int *color; + int *entry; + + int bottom; + int top; +}; + +wxSearchColor::wxSearchColor( void ) +{ + size = 0; + colors = (XColor*) NULL; + color = (unsigned int *) NULL; + entry = (int*) NULL; + + bottom = 0; + top = 0; +} + +wxSearchColor::wxSearchColor( int size_, XColor *colors_ ) +{ + int i; + size = size_; + colors = colors_; + color = new unsigned int[size]; + entry = new int [size]; + + for (i = 0; i < size; i++ ) { + entry[i] = -1; + } + + bottom = top = ( size >> 1 ); +} + +wxSearchColor::~wxSearchColor( void ) +{ + if ( color ) delete color; + if ( entry ) delete entry; +} + +int wxSearchColor::SearchColor( int r, int g, int b ) +{ + unsigned int value = ( ( ( r * 256 ) + g ) * 256 ) + b; + int begin = bottom; + int end = top; + int middle = 0; + + while ( begin <= end ) { + + middle = ( begin + end ) >> 1; + + if ( value == color[middle] ) { + return( entry[middle] ); + } else if ( value < color[middle] ) { + end = middle - 1; + } else { + begin = middle + 1; + } + + } + + return AddColor( value, middle ); +} + +int wxSearchColor::AddColor( unsigned int value, int pos ) +{ + 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; + } + + } 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; + } + + } + + return( pixel ); +} + + +bool wxBitmap::CreateFromImage( const wxImage& image, int depth ) +{ + wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") ) + wxCHECK_MSG( depth == -1, FALSE, wxT("invalid bitmap depth") ) + + m_refData = new wxBitmapRefData(); + + int width = image.GetWidth(); + int height = image.GetHeight(); + + SetHeight( height ); + SetWidth( width ); + + Display *dpy = (Display*) wxGetDisplay(); + Visual* vis = DefaultVisual( dpy, DefaultScreen( dpy ) ); + int bpp = DefaultDepth( dpy, DefaultScreen( dpy ) ); + + // Create image + + 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 ); + + Create( width, height, bpp ); + + // Create mask + + 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 ); + } + + // Retrieve depth info + + XVisualInfo vinfo_template; + XVisualInfo *vi; + + vinfo_template.visual = vis; + vinfo_template.visualid = XVisualIDFromVisual( vis ); + vinfo_template.depth = bpp; + int nitem = 0; + + vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); + + wxCHECK_MSG( vi, FALSE, wxT("no visual") ); + + XFree( vi ); + + if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; + if (bpp < 8) bpp = 8; + + // Render + + enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR }; + byte_order b_o = RGB; + + if (bpp >= 24) + { + 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; + } + + 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 ); + + for (int i = 0; i < 256; i++) colors[i].pixel = i; + XQueryColors( dpy, cmap, colors, 256 ); + } + + wxSearchColor scolor( 256, colors ); + unsigned char* data = image.GetData(); + + bool hasMask = image.HasMask(); + + 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: + { +#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 + + // 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 + + // Blit picture + + 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 ); + + XDestroyImage( data_image ); + XFreeGC( dpy, gc ); + + // Blit mask + if (image.HasMask()) + { + wxBitmap maskBitmap(width, height, 1); + + 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 ); + + XDestroyImage( mask_image ); + XFreeGC( dpy, gcMask ); + + wxMask* mask = new wxMask; + mask->SetPixmap(maskBitmap.GetPixmap()); + + SetMask(mask); + + maskBitmap.SetPixmapNull(); + } + + + return TRUE; +} + +wxImage wxBitmap::ConvertToImage() const +{ + wxImage image; + + wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") ); + + 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 ); + + wxCHECK_MSG( ximage, wxNullImage, wxT("couldn't create image") ); + + image.Create( GetWidth(), GetHeight() ); + char unsigned *data = image.GetData(); + + if (!data) + { + XDestroyImage( ximage ); + wxFAIL_MSG( wxT("couldn't create image") ); + return wxNullImage; + } + + /* + GdkImage *gdk_image_mask = (GdkImage*) NULL; + if (GetMask()) + { + gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(), + 0, 0, + GetWidth(), GetHeight() ); + + image.SetMaskColour( 16, 16, 16 ); // anything unlikely and dividable + } + */ + + // Retrieve depth info + + XVisualInfo vinfo_template; + XVisualInfo *vi; + + vinfo_template.visual = vis; + vinfo_template.visualid = XVisualIDFromVisual( vis ); + vinfo_template.depth = bpp; + int nitem = 0; + + vi = XGetVisualInfo( dpy, VisualIDMask|VisualDepthMask, &vinfo_template, &nitem ); + + wxCHECK_MSG( vi, wxNullImage, wxT("no visual") ); + + if ((bpp == 16) && (vi->red_mask != 0xf800)) bpp = 15; + + XFree( vi ); + + XColor colors[256]; + if (bpp == 8) + { + Colormap cmap = (Colormap)wxTheApp->GetMainColormap( dpy ); + + for (int i = 0; i < 256; i++) colors[i].pixel = i; + XQueryColors( dpy, cmap, colors, 256 ); + } + + long pos = 0; + for (int j = 0; j < GetHeight(); j++) + { + 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; + } + + /* + 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; + } + } + */ + + pos += 3; + } + } + + XDestroyImage( ximage ); + /* + if (gdk_image_mask) gdk_image_destroy( gdk_image_mask ); + */ + + return image; +}