Exemplo n.º 1
0
/*Sets up the cursors data for a dnd.
 * display - X display
 * rw - the root window */
void xdndCursorInit(Display *display, Window rw)
{
  Pixmap ip,mp;
  XdndCursor *cursorPtr;
  XColor black, white;


  /*  gets color info */
  black.pixel = BlackPixel(display, DefaultScreen (display));
  XQueryColor(display, DefaultColormap (display, DefaultScreen(display)),
	      &black);
  white.pixel = WhitePixel(display, DefaultScreen (display));
  XQueryColor(display, DefaultColormap (display, DefaultScreen(display)),
	      &white);

  /* now initialize the cursors */
  for (cursorPtr = &xdndCursors[0];cursorPtr->w != 0;cursorPtr++) {
    ip = XCreateBitmapFromData(display, rw, (char *) cursorPtr->imageData,
			       cursorPtr->w, cursorPtr->h);
    mp = XCreateBitmapFromData(display, rw, (char *) cursorPtr->maskData,
			       cursorPtr->w, cursorPtr->h);
    cursorPtr->cursor = XCreatePixmapCursor (display, ip, mp, &black, &white,
					  cursorPtr->x, cursorPtr->y);
    XFreePixmap (display, ip);
    XFreePixmap (display, mp);
    cursorPtr->action = XInternAtom (display, cursorPtr->actionStr, False);
  }
}
Exemplo n.º 2
0
/* set up needed bitmaps in the server */
static void
initCursors(void)
{
        Pixmap	p, m;
	XColor	mc, bc;

	mc.pixel = app_resources.mouseground;
	bc.pixel = app_resources.bg_pixel;
	mc.flags = DoRed | DoGreen | DoBlue;
	bc.flags = DoRed | DoGreen | DoBlue;
	XQueryColor(dpy, DefaultColormap(dpy, screen), &mc);
	XQueryColor(dpy, DefaultColormap(dpy, screen), &bc);

	m = XCreateBitmapFromData(dpy, mwWindow,
		(char *)ratMask_bits,
		ratMask_width, ratMask_height);
	p = XCreateBitmapFromData(dpy, mwWindow,
		(char *)rat_bits,
		rat_width, rat_height);
	ratCursor = XCreatePixmapCursor(dpy, p, m, &mc, &bc,
		rat_x_hot, rat_y_hot);

	m = XCreateBitmapFromData(dpy, mwWindow,
		(char *)dRatMask_bits,
		dRatMask_width, dRatMask_height);
	p = XCreateBitmapFromData(dpy, mwWindow,
		(char *)dRat_bits,
		dRat_width, dRat_height);
	deadRatCursor = XCreatePixmapCursor(dpy, p, m, &mc, &bc, 0, 0);

	p = XCreateBitmapFromData(dpy, mwWindow,
		(char *)cup_bits,
		cup_width, cup_height);
	hourGlassCursor = XCreatePixmapCursor(dpy, p, p, &mc, &bc, 0, 0);
}
Exemplo n.º 3
0
/****************************************************************************
 *
 * This routine computes the hilight color from the background color
 *
 ****************************************************************************/
Pixel GetHilite(Pixel background) 
{
  XColor bg_color, white_p;
  XWindowAttributes attributes;
  
  XGetWindowAttributes(dpy,Root,&attributes);
  
  bg_color.pixel = background;
  XQueryColor(dpy,attributes.colormap,&bg_color);

  white_p.pixel = GetColor("white");
  XQueryColor(dpy,attributes.colormap,&white_p);
  
#ifndef min
#define min(a,b) (((a)<(b)) ? (a) : (b))
#define max(a,b) (((a)>(b)) ? (a) : (b))
#endif

  bg_color.red = max((white_p.red/5), bg_color.red);
  bg_color.green = max((white_p.green/5), bg_color.green);
  bg_color.blue = max((white_p.blue/5), bg_color.blue);
  
  bg_color.red = min(white_p.red, (bg_color.red*140)/100);
  bg_color.green = min(white_p.green, (bg_color.green*140)/100);
  bg_color.blue = min(white_p.blue, (bg_color.blue*140)/100);
  
  if(!XAllocColor(dpy,attributes.colormap,&bg_color))
    nocolor("alloc hilight","");
  
  return bg_color.pixel;
}
Exemplo n.º 4
0
void
reserveColors(ModeInfo * mi, Colormap cmap, unsigned long *black)
{
	Display    *display = MI_DISPLAY(mi);
	XColor      blackcolor, whitecolor;

	blackcolor.flags = DoRed | DoGreen | DoBlue;
	blackcolor.pixel = MI_BLACK_PIXEL(mi);
	blackcolor.red = 0;
	blackcolor.green = 0;
	blackcolor.blue = 0;
	whitecolor.flags = DoRed | DoGreen | DoBlue;
	whitecolor.pixel = MI_WHITE_PIXEL(mi);
	whitecolor.red = 0xFFFF;
	whitecolor.green = 0xFFFF;
	whitecolor.blue = 0xFFFF;

	/* If they fail what should I do? */
	(void) XAllocColor(display, cmap, &blackcolor);
	(void) XAllocColor(display, cmap, &whitecolor);
	*black = blackcolor.pixel;

#if 0
	{
		XColor      bgcolor, fgcolor;

		bgcolor.pixel = MI_BG_PIXEL(mi);
		fgcolor.pixel = MI_FG_PIXEL(mi);
		XQueryColor(display, cmap, &bgcolor);
		XQueryColor(display, cmap, &fgcolor);
		(void) XAllocColor(display, cmap, &bgcolor);
		(void) XAllocColor(display, cmap, &fgcolor);
	}
#endif
}
Exemplo n.º 5
0
Arquivo: cursor.c Projeto: iquiw/xsrc
int NewBitmapCursor(Cursor *cp, char *source, char *mask)
{
    XColor fore, back;
    int hotx, hoty;
    int sx, sy, mx, my;
    unsigned int sw, sh, mw, mh;
    Pixmap spm, mpm;
    Colormap cmap = Scr->RootColormaps.cwins[0]->colormap->c;

    fore.pixel = Scr->Black;
    XQueryColor(dpy, cmap, &fore);
    back.pixel = Scr->White;
    XQueryColor(dpy, cmap, &back);

    spm = GetBitmap(source);
    if ((hotx = HotX) < 0) hotx = 0;
    if ((hoty = HotY) < 0) hoty = 0;
    mpm = GetBitmap(mask);

    /* make sure they are the same size */

    XGetGeometry(dpy, spm, &JunkRoot, &sx, &sy, &sw, &sh, &JunkBW,&JunkDepth);
    XGetGeometry(dpy, mpm, &JunkRoot, &mx, &my, &mw, &mh, &JunkBW,&JunkDepth);
    if (sw != mw || sh != mh)
    {
	fprintf (stderr, 
		 "%s:  cursor bitmaps \"%s\" and \"%s\" not the same size\n",
		 ProgramName, source, mask);
	return (1);
    }
    *cp = XCreatePixmapCursor(dpy, spm, mpm, &fore, &back, hotx,hoty);
    return (0);
}
Exemplo n.º 6
0
/*============================================================ DndInitialize
 * Must be called anywhere before the top level widget creation and the
 * main loop. Initialize global variables and bind the DndDispatch function
 * to the top level widget. Creates the cursors to be used in drag actions.
 *=========================================================================*/
void
MwDndInitialize(Widget shell)
{
    int	 screen,i;
    Colormap colormap;
    Window	 root;

    dpy	= XtDisplayOfObject(shell);
    screen	= DefaultScreen(dpy);
    colormap= DefaultColormap(dpy,screen);
    root	= DefaultRootWindow(dpy);
		

    Black.pixel=BlackPixel(dpy,screen);
    White.pixel=WhitePixel(dpy,screen);
    XQueryColor(dpy,colormap,&Black);
    XQueryColor(dpy,colormap,&White);
	
    for(i=1;i!=MW_DndEND;i++)
    {
	DndCursor[i].ImagePixmap=
	    XCreateBitmapFromData(dpy,root,
				  DndCursor[i].ImageData,
				  DndCursor[i].Width,
				  DndCursor[i].Height);
	DndCursor[i].MaskPixmap=
	    XCreateBitmapFromData(dpy,root,
				  DndCursor[i].MaskData,
				  DndCursor[i].Width,
				  DndCursor[i].Height);
	DndCursor[i].CursorID=
	    XCreatePixmapCursor(dpy,DndCursor[i].ImagePixmap,
				DndCursor[i].MaskPixmap,
				&Black,&White,
				DndCursor[i].HotSpotX,
				DndCursor[i].HotSpotY);
    }
	
    DndCursor[0].CursorID=XCreateFontCursor(dpy,XC_question_arrow);
	
    /* These two are for older versions */
    OldDndProtocol=XInternAtom(dpy,"DndProtocol",FALSE);
    OldDndSelection=XInternAtom(dpy,"DndSelection",FALSE);
    /* Now the correct stuff */
    MwDndProtocol=XInternAtom(dpy,"_DND_PROTOCOL",FALSE);
    MwDndSelection=XInternAtom(dpy,"_DND_SELECTION",FALSE);
    
    WM_STATE=XInternAtom(dpy,"WM_STATE",True);
    Dragging=0;
    DragPrecision=10;
    XtAddEventHandler(shell,NoEventMask,True,MwDndDispatchEvent,NULL);
    OtherDrop=RootDrop=IconDrop=NULL;
    RootFlag=0;
    MainWidget=shell;
}
Exemplo n.º 7
0
void XbrGfxBWPixels(Display *display, Screen *screen, Colormap colourmap,
                    XColor *black, XColor *white)
{
    if(black != NULL) {
        black->pixel = BlackPixelOfScreen(screen);
        XQueryColor(display, colourmap, black);
    }

    if(white != NULL) {
        white->pixel = WhitePixelOfScreen(screen);
        XQueryColor(display, colourmap, white);
    }
}
Exemplo n.º 8
0
/* This function converts the colour stored in a colorcell (pixel) into the
 * string representation of a colour.  The output is printed at the
 * address 'output'.  It is either in rgb format ("rgb:rrrr/gggg/bbbb") if
 * use_hash is False or in hash notation ("#rrrrggggbbbb") if use_hash is true.
 * The return value is the number of characters used by the string.  The
 * rgb values of the output are undefined if the colorcell is invalid.  The
 * memory area pointed at by 'output' must be at least 64 bytes (in case of
 * future extensions and multibyte characters).*/
int pixel_to_color_string(
	Display *dpy, Colormap cmap, Pixel pixel, char *output, Bool use_hash)
{
	XColor color;
	int n;

	color.pixel = pixel;
	color.red = 0;
	color.green = 0;
	color.blue = 0;

	XQueryColor(dpy, cmap, &color);
	if (!use_hash)
	{
		sprintf(
			output, "rgb:%04x/%04x/%04x%n", (int)color.red,
			(int)color.green, (int)color.blue, &n);
	}
	else
	{
		sprintf(
			output, "#%04x%04x%04x%n", (int)color.red,
			(int)color.green, (int)color.blue, &n);
	}

	return n;
}
Exemplo n.º 9
0
gboolean cb_hide_pointer(GtkWidget *widget, GdkEvent *event, gpointer data) {
	static Cursor cursor = 0;
	XColor colour;
	Pixmap cursorPixmap;

	colour.pixel = WhitePixel(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window),
		DefaultScreen(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window)));
	XQueryColor(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window), 
		DefaultColormap(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window),
		DefaultScreen(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window))), &colour);
	if(cursor) {
		XFreeCursor(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window), cursor);
	}
	cursorPixmap = XCreatePixmap(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window),
		GDK_WINDOW_XWINDOW(GTK_WIDGET(widget)->window), 1, 1, 1);
	cursor = XCreatePixmapCursor(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window),
		cursorPixmap, cursorPixmap, &colour, &colour, 0, 0);
	if(cursorPixmap) {
		XFreePixmap(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window), cursorPixmap);
	}
	XDefineCursor(GDK_WINDOW_XDISPLAY(GTK_WIDGET(widget)->window),
		GDK_WINDOW_XWINDOW(GTK_WIDGET(widget)->window), cursor);

	return TRUE;
}
Exemplo n.º 10
0
/*!
  For internal use only.
*/
void QNPWidget::setWindow(bool delold)
{
    saveWId = winId(); // ### Don't need this anymore

    create((WId)pi->window, FALSE, delold);

   if ( delold ) {
      // Make sure they get a show()
      clearWState( WState_Visible );
   }

#ifdef _WS_X11_
    Widget w = XtWindowToWidget (qt_xdisplay(), pi->window);
    XtAddEventHandler(w, EnterWindowMask, FALSE, enter_event_handler, pi);
    XtAddEventHandler(w, LeaveWindowMask, FALSE, leave_event_handler, pi);
    Pixmap bgpm=0;
    XColor col;
    XtVaGetValues(w,
	XtNbackground, &col.pixel,
	XtNbackgroundPixmap, &bgpm,
	0, 0);
    XQueryColor(qt_xdisplay(), x11Colormap(), &col);
    setBackgroundColor(QColor(col.red >> 8, col.green >> 8, col.blue >> 8));
    if (bgpm) {
	// ### Need an under-the-hood function here, or we have to
	// ### rewrite lots of code from QPixmap::convertToImage().
	// ### Doesn't matter yet, because Netscape doesn't ever set
	// ### the background image of the window it gives us.
    }
#endif

    createNewWindowsForAllChildren(this);

    setGeometry( pi->x, pi->y, pi->width, pi->height );
}
Exemplo n.º 11
0
/*ARGSUSED*/
static Boolean
_XawCvtPixelToString(Display *dpy, XrmValue *args, Cardinal *num_args,
		     XrmValue *fromVal, XrmValue *toVal,
		     XtPointer *converter_data)
{
  static char buffer[19];
  Cardinal size;
  Colormap colormap;
  XColor color;

  if (*num_args != 1)
    {
      XtAppWarningMsg(XtDisplayToApplicationContext(dpy),
		      XtNwrongParameters, "cvtPixelToString",
		      XtCToolkitError,
		      "Pixel to String conversion needs colormap argument",
		      NULL, NULL);
      return (False);
    }

  colormap = *(Colormap *)args[0].addr;
  color.pixel = *(Pixel *)fromVal->addr;

  /* Note:
   * If we know the visual type, we can calculate the xcolor
   * without asking Xlib.
   */
  XQueryColor(dpy, colormap, &color);
  XmuSnprintf(buffer, sizeof(buffer), "rgb:%04hx/%04hx/%04hx",
	      color.red, color.green, color.blue);
  size = strlen(buffer) + 1;

  string_done(buffer);
}
Exemplo n.º 12
0
static void
initialize_transparency_colormap (Display *dpy, Colormap cmap,
				  int nplanes,
				  unsigned long base_pixel,
				  unsigned long *plane_masks,
				  XColor *colors,
				  Bool additive_p , ModeInfo* mi )
{
  int i;
  int total_colors = i_exp (2, nplanes);
  XColor *all_colors = (XColor *) calloc (total_colors, sizeof (XColor));

  for (i = 0; i < nplanes; i++)
    colors[i].pixel = base_pixel | plane_masks [i];
  permute_colors (colors, all_colors, nplanes, plane_masks, additive_p);

  /* clone the default background of the window into our "base" pixel */
  all_colors [total_colors - 1].pixel = MI_BLACK_PIXEL( mi );
  XQueryColor (dpy, cmap, &all_colors [total_colors - 1]);
  all_colors [total_colors - 1].pixel = base_pixel;

  for (i = 0; i < total_colors; i++)
    all_colors[i].flags = DoRed|DoGreen|DoBlue;
  XStoreColors (dpy, cmap, all_colors, total_colors);
  XFree ((XPointer) all_colors);
}
Exemplo n.º 13
0
static char* get_bgcolor(Ihandle *n)
{
   Widget w[6];
   XColor xcor;
   Colormap cmap;
   char *cor = getBuffer();
 
  if (iupmotGetWidgetHandles(n, w) == 0) return NULL;
 
  if (type(n) == DIALOG_ || type(n) == MULTILINE_ ||
      type(n) == CANVAS_ || (type(n) == LIST_ && w[1]) )
  {
    XtVaGetValues(w[1], XmNcolormap, &cmap, XmNbackground, &xcor.pixel, NULL); 
  } 
  else
  {
    XtVaGetValues(w[0], XmNcolormap, &cmap, XmNbackground, &xcor.pixel, NULL); 
  }

  XQueryColor(iupmot_display,
               cmap,
               &xcor );
  sprintf(cor, "%d %d %d", xcor.red/257, xcor.green/257, xcor.blue/257);
  return cor;
}
Exemplo n.º 14
0
/*
   This routine takes a named color and returns a color that is either
   lighter or darker
 */
PixVal XBSimColor( XBWindow *XBWin, PixVal pixel, int intensity, int is_fore ){
	XColor   colordef, colorsdef;
	char     RGBcolor[20];
	PixVal   red, green, blue;
	    /*  int      st;  */

	colordef.pixel = pixel;
	XQueryColor( XBWin->disp, XBWin->cmap, &colordef );
	/* Adjust the color value up or down.  Get the RGB values for the color */
	red   = colordef.red;
	green = colordef.green;
	blue  = colordef.blue;
	#define min(a,b) ((a)<(b) ? a : b)
	#define max(a,b) ((a)>(b) ? a : b)
	#define WHITE_AMOUNT 5000
	if (intensity > 0) {
		/* Add white to the color */
		red   = min(65535,red + WHITE_AMOUNT);
		green = min(65535,green + WHITE_AMOUNT);
		blue  = min(65535,blue + WHITE_AMOUNT);
    	} else {
		/* Subtract white from the color */
		red   = (red   < WHITE_AMOUNT) ? 0 : red - WHITE_AMOUNT;
		green = (green < WHITE_AMOUNT) ? 0 : green - WHITE_AMOUNT;
		blue  = (blue  < WHITE_AMOUNT) ? 0 : blue - WHITE_AMOUNT;
    	}
	sprintf( RGBcolor, "rgb:%4.4x/%4.4x/%4.4x", (unsigned int)red,  (unsigned int) green, (unsigned int) blue );
	XLookupColor( XBWin->disp, XBWin->cmap, RGBcolor, &colordef, &colorsdef );
	/*
	    st = XLookupColor( XBWin->disp, XBWin->cmap, RGBcolor, &colordef, 
		       &colorsdef );
	 */    
	return  colorsdef.pixel;
}
Exemplo n.º 15
0
    ///////////////////////////////////////////////////////////////////////
    ///  Function: QueryRGB8
    ///
    ///    Author: $author$
    ///      Date: 4/25/2012
    ///////////////////////////////////////////////////////////////////////
    virtual XosError QueryRGB8
    (Display* xDisplay, Colormap xColormap,
     uint8_t r, uint8_t g, uint8_t b,
     bool onlyFreed=false)
    {
        XosError error = XOS_ERROR_FAILED;
        XosError error2;
        XColor xColor;
        Pixel detached;
        int err;

        if ((error2 = Freed(onlyFreed)))
            return error2;

        RGB8ToXColor(xColor, r,g,b);

        if ((xDisplay) && (None != (xColormap)))
        {
            XQueryColor(xDisplay, xColormap, &xColor);
            if ((xColor.pixel)) {
                m_xDisplay = xDisplay;
                m_xColormap = xColormap;
                Attach(detached = xColor.pixel);
                error = XOS_ERROR_NONE;
            }
        }
        return error;
    }
Exemplo n.º 16
0
QColor QGLContext::overlayTransparentColor() const
{
    //### make more efficient using the transpColor member
    if ( isValid() ) {
	if ( !trans_colors_init )
	    find_trans_colors();

	VisualID myVisualId = ((XVisualInfo*)vi)->visualid;
	int myScreen = ((XVisualInfo*)vi)->screen;
	for ( int i = 0; i < (int)trans_colors.size(); i++ ) {
	    if ( trans_colors[i].vis == myVisualId &&
		 trans_colors[i].screen == myScreen ) {
		XColor col;
		col.pixel = trans_colors[i].color;
		col.red = col.green = col.blue = 0;
		col.flags = 0;
		Display *dpy = d->paintDevice->x11Display();
		if (col.pixel > (uint) ((XVisualInfo *)vi)->colormap_size - 1)
		    col.pixel = ((XVisualInfo *)vi)->colormap_size - 1;
		XQueryColor(dpy, choose_cmap(dpy, (XVisualInfo *) vi), &col);
		uchar r = (uchar)((col.red / 65535.0) * 255.0 + 0.5);
		uchar g = (uchar)((col.green / 65535.0) * 255.0 + 0.5);
		uchar b = (uchar)((col.blue / 65535.0) * 255.0 + 0.5);
		return QColor(qRgb(r,g,b), trans_colors[i].color);
	    }
	}
    }
    return QColor();		// Invalid color
}
Exemplo n.º 17
0
static void default_colors()
{
     Arg args[5];
     Pixel background, foreground, top_shadow, bottom_shadow, arm_color;
     Pixel r_foreground, r_top_shadow, r_bottom_shadow, r_arm_color;
     Widget widget;
     int n = 0;
     XColor color;

     widget = XtNameToWidget(fetched,"color_change_BB.color_change");
     XtSetArg(args[n], XmNbackground, &background);		n++;
     XtGetValues(widget, args, n);

     XmGetColors(XtScreen(widget), cmap, background, &r_foreground,
			     &r_top_shadow, &r_bottom_shadow, &r_arm_color);

     XtSetArg(args[n], XmNforeground, &foreground); 		n++; 
     XtSetArg(args[n], XmNtopShadowColor, &top_shadow);		n++;
     XtSetArg(args[n], XmNbottomShadowColor, &bottom_shadow);	n++;
     XtSetArg(args[n], XmNarmColor, &arm_color);		n++;
     XtGetValues(widget, args, n);

     color.pixel = r_foreground;
     XQueryColor(dpy,cmap,&color);
     color.pixel = foreground;
     XStoreColor(dpy, cmap, &color);

     color.pixel = background;
     XQueryColor(dpy,cmap,&color);
     color.pixel = background;
     XStoreColor(dpy, cmap, &color);

     color.pixel = r_top_shadow;
     XQueryColor(dpy,cmap,&color);
     color.pixel = top_shadow;
     XStoreColor(dpy, cmap, &color);

     color.pixel = r_bottom_shadow;
     XQueryColor(dpy,cmap,&color);
     color.pixel = bottom_shadow;
     XStoreColor(dpy, cmap, &color);

     color.pixel = r_arm_color;
     XQueryColor(dpy,cmap,&color);
     color.pixel = arm_color;
     XStoreColor(dpy, cmap, &color);
}
Exemplo n.º 18
0
static void InstallColours(void)
{
   int pixVal=0;
   int c, f, ggap, steps[GSTP] = {8, 4, 2, 1};
   XColor greyDef, whiteDef, blackDef, colourDef;
   short RGBval, step;

   /* initialise the grey levels/colours depending on the number of planes */
   for (c = 0; c < MAX_COLOURS; c++){
      /* get colour from the X11 database */
      if (!XParseColor(theDisp, theCmap, XColArray[c], &colourDef))
         HError(6870,"InstallColours: Colour name %s not in X11 database", 
                XColArray[c]);
      if (!XAllocColor(theDisp, theCmap, &colourDef))
         HError(-6870,"InstallColours: Cannot allocate colour %s", XColArray[c]);
      else
         pixVal = colourDef.pixel;
      colours[c] = pixVal;
   }
   if (dispDEEP == 1){
      /* map all grey levels onto b/w */
      for (c = 0; c < MAX_GREYS/2; c++)
         greys[c] = white;
      for (c = MAX_GREYS/2; c < MAX_GREYS; c++)
         greys[c] = black;
   } else {
      /* then the grey levels */
      whiteDef.pixel = white; XQueryColor(theDisp, theCmap, &whiteDef);
      blackDef.pixel = black; XQueryColor(theDisp, theCmap, &blackDef);
      ggap = ((int)(whiteDef.red - blackDef.red))/MAX_GREYS;
      for (f = 0; f < GSTP; f++){
         step = steps[f]*ggap;
         for (c = 0; c < (MAX_GREYS/steps[f]); c++){
            RGBval = whiteDef.red - c*step; 
            greyDef.red = RGBval;
            greyDef.green = RGBval;
            greyDef.blue  = RGBval;
            if (!XAllocColor(theDisp, theCmap, &greyDef))
               HError(-6870, "InstallColours: Cannot allocate grey level %d", 
                      c*steps[f]);
            else
               pixVal = greyDef.pixel;
            greys[c] = pixVal;
         } 
      }
   }
}
Exemplo n.º 19
0
// Get pixel color at coordinates x,y
void pixel_color (Display *display, int x, int y, XColor *color)
{
	XImage *image;
	image = XGetImage (display, DefaultRootWindow (display), x, y, 1, 1, AllPlanes, XYPixmap);
	color->pixel = XGetPixel (image, 0, 0);
	XFree (image);
	XQueryColor (display, DefaultColormap(display, DefaultScreen (display)), color);
}
Exemplo n.º 20
0
 void JColor::setPixel(int _pixel) {
   if (hnd == _pixel) return;
   XColor color;
   color.pixel = _pixel;
   XQueryColor(JUNIX::theDisplay, JUNIX::theColormap, &color);
   value = JColor(color.red >> 8, color.green >> 8, 
     color.blue >> 8).getRGB();
   Release();
 }
Exemplo n.º 21
0
/*
%F Funcao  usando tabela de conversao. \
   Usada quando nao estamos em TrueColor.
*/
static void not_truecolor_get_rgb(unsigned long pixel, unsigned
char* red, unsigned char* green, unsigned char* blue)
{
  XColor xc;
  xc.pixel = pixel;
  XQueryColor(iupmot_display, iupmot_color.colormap, &xc);
  *red = (unsigned char)xc.red;
  *green = (unsigned char)xc.green;
  *blue = (unsigned char)xc.blue;
}
Exemplo n.º 22
0
unsigned char GetBValue(Display *display, unsigned long pixel)
{
    Colormap cm;
    XColor xc;
    
    cm = DefaultColormap(display, DefaultScreen(display));
    
    XQueryColor(display, cm, &xc);
    
    return xc.blue / 256;
}
Exemplo n.º 23
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	LLDSPEC	color_t gdisp_lld_get_pixel_color(GDisplay *g) {
		xPriv *	priv = (xPriv *)g->priv;
		XColor	color;
		XImage *img;

		img = XGetImage (dis, priv->pix, g->p.x, g->p.y, 1, 1, AllPlanes, XYPixmap);
		color.pixel = XGetPixel (img, 0, 0);
		XFree(img);
		XQueryColor(dis, cmap, &color);
		return RGB2COLOR(color.red>>8, color.green>>8, color.blue>>8);
	}
Exemplo n.º 24
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/* ColorPixelToRGB {{{ */
static void
ColorPixelToRGB(XColor *xcolor)
{
  XQueryColor(display, DefaultColormap(display,
    DefaultScreen(display)), xcolor);

  /* Scale 65535 to 255 */
  xcolor->red   = SCALE(xcolor->red,   65535, 255);
  xcolor->green = SCALE(xcolor->green, 65535, 255);
  xcolor->blue  = SCALE(xcolor->blue,  65535, 255);
} /* }}} */
Exemplo n.º 25
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void OGLwin_GetColorVal(int ind, short *r, short *g, short *b)
{
    XColor color;

    color.pixel = ind;
    XQueryColor(Dsp, Cmap, &color);

    *r = color.red;
    *g = color.green;
    *b = color.blue;
}
Exemplo n.º 26
0
bool de_duplicate_colour(WRootWin *rootwin, DEColour in, DEColour *out)
{
    XColor c;
    c.pixel=in;
    XQueryColor(ioncore_g.dpy, rootwin->default_cmap, &c);
    if(XAllocColor(ioncore_g.dpy, rootwin->default_cmap, &c)){
        *out=c.pixel;
        return TRUE;
    }
    return FALSE;
}
Exemplo n.º 27
0
XColor *GetTintedColor(Pixel in, Pixel tint, int percent)
{
	XColor tint_color;

	memset(&color, 0, sizeof(color));
	memset(&tint_color, 0, sizeof(tint_color));
	color.pixel = in;
	XQueryColor(Pdpy, Pcmap, &color);
	tint_color.pixel = tint;
	XQueryColor(Pdpy, Pcmap, &tint_color);

	color.red = (unsigned short)
		(((100-percent)*color.red + tint_color.red * percent) / 100);
	color.green = (unsigned short)
		(((100-percent)*color.green + tint_color.green * percent) /
		 100);
	color.blue = (unsigned short)
		(((100-percent)*color.blue + tint_color.blue * percent) / 100);
	return &color;
}
Exemplo n.º 28
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ColorRep::ColorRep (
    long p, ColorIntensity& r, ColorIntensity& g, ColorIntensity& b
) {
    XColor* c = new XColor;
    c->pixel = p;
    XQueryColor(_world->display(), _world->cmap(), c);
    r = c->red;
    g = c->green;
    b = c->blue;
    info = (void*)c;
}
Exemplo n.º 29
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XColor *GetForeShadowColor(Pixel foreground, Pixel background)
{
	XColor bg_color;
	float fg[3], bg[3];
	int result[3];
	int i;

	memset(&color, 0, sizeof(color));
	memset(&bg_color, 0, sizeof(bg_color));
	color.pixel = foreground;
	bg_color.pixel = background;
	XQueryColor(Pdpy, Pcmap, &color);
	XQueryColor(Pdpy, Pcmap, &bg_color);
	fg[0] = color.red;
	fg[1] = color.green;
	fg[2] = color.blue;
	bg[0] = bg_color.red;
	bg[1]=  bg_color.green;
	bg[2] = bg_color.blue;

	for (i=0; i<3; i++)
	{
		if (fg[i] - bg[i] < 8192 && fg[i] - bg[i] > -8192)
		{
			result[i] = 0;
		}
		else
		{
			result[i] = (int)((5 * bg[i] - fg[i]) / 4);
			if (fg[i] < bg[i] || result[i] < 0)
			{
				result[i] = (int)((3 * bg[i] + fg[i]) / 4);
			}
		}
	}
	color.red = result[0];
	color.green = result[1];
	color.blue = result[2];

	return &color;
}
Exemplo n.º 30
0
Cursor MakeStringCursor(char *string)
{
	Cursor      cursor;
	XColor      black, white;
	Pixmap      bitmap;
	unsigned int width, height, middle;
	GC          gc;
	Colormap    cmap = Scr->RootColormaps.cwins[0]->colormap->c;
	MyFont      myfont = Scr->TitleBarFont;
	XRectangle inc_rect;
	XRectangle logical_rect;

	black.pixel = Scr->Black;
	XQueryColor(dpy, cmap, &black);
	white.pixel = Scr->White;
	XQueryColor(dpy, cmap, &white);

	XmbTextExtents(myfont.font_set, string, strlen(string),
	               &inc_rect, &logical_rect);
	width  = logical_rect.width  + 4;
	height = logical_rect.height + 2;
	middle = myfont.ascent;
	/*XQueryBestCursor (dpy, Scr->Root, width, height, &rwidth, &rheight);*/

	bitmap = XCreatePixmap(dpy, Scr->Root, width, height, 1);
	gc     = XCreateGC(dpy, bitmap, 0L, NULL);

	XSetForeground(dpy, gc, 0L);
	XFillRectangle(dpy, bitmap, gc, 0, 0, width, height);
	XSetForeground(dpy, gc, 1L);
	XDrawRectangle(dpy, bitmap, gc, 0, 0, width - 1, height - 1);

	XmbDrawString(dpy, bitmap, myfont.font_set,
	              gc, 2, middle, string, strlen(string));

	cursor = XCreatePixmapCursor(dpy, bitmap, None, &black, &white, 0, 0);
	XFreePixmap(dpy, bitmap);
	XFreeGC(dpy, gc);
	return (cursor);
}