C++ (Cpp) RDestroyXImage Examples

Example #1

RXImage*
RGetXImage(RContext *context, Drawable d, int x, int y,
           unsigned width, unsigned height)
{
    RXImage *ximg = NULL;

#ifdef XSHM
    if (context->attribs->use_shared_memory && 0) {
        ximg = RCreateXImage(context, getDepth(context->dpy, d),
                             width, height);

        if (ximg && !ximg->is_shared) {
            RDestroyXImage(context, ximg);
            ximg = NULL;
        }
        if (ximg) {
            XShmGetImage(context->dpy, d, ximg->image, x, y, AllPlanes);
        }
    }
    if (!ximg) {
        ximg = malloc(sizeof(RXImage));
        if (!ximg) {
            RErrorCode = RERR_NOMEMORY;
            return NULL;
        }
        ximg->is_shared = 0;
        ximg->image = XGetImage(context->dpy, d, x, y, width, height,
                                AllPlanes, ZPixmap);
    }
    return ximg;
#else /* !XSHM */
    ximg = malloc(sizeof(RXImage));
    if (!ximg) {
        RErrorCode = RERR_NOMEMORY;
        return NULL;
    }

    ximg->image = XGetImage(context->dpy, d, x, y, width, height,
                            AllPlanes, ZPixmap);

    return ximg;
#endif /* !XSHM */
}

Example #2

File: workspace.c Project: jafd/wmaker

static void showWorkspaceName(WScreen * scr, int workspace)
{
	WorkspaceNameData *data;
	RXImage *ximg;
	Pixmap text, mask;
	int w, h;
	int px, py;
	char *name = w_global.workspace.array[workspace]->name;
	int len = strlen(name);
	int x, y;
#ifdef USE_XINERAMA
	int head;
	WMRect rect;
	int xx, yy;
#endif

	if (wPreferences.workspace_name_display_position == WD_NONE || w_global.workspace.count < 2)
		return;

	if (scr->workspace_name_timer) {
		WMDeleteTimerHandler(scr->workspace_name_timer);
		XUnmapWindow(dpy, scr->workspace_name);
		XFlush(dpy);
	}
	scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY, hideWorkspaceName, scr);

	if (scr->workspace_name_data) {
		RReleaseImage(scr->workspace_name_data->back);
		RReleaseImage(scr->workspace_name_data->text);
		wfree(scr->workspace_name_data);
	}

	data = wmalloc(sizeof(WorkspaceNameData));
	data->back = NULL;

	w = WMWidthOfString(w_global.workspace.font_for_name, name, len);
	h = WMFontHeight(w_global.workspace.font_for_name);

#ifdef USE_XINERAMA
	head = wGetHeadForPointerLocation(scr);
	rect = wGetRectForHead(scr, head);
	if (scr->xine_info.count) {
		xx = rect.pos.x + (scr->xine_info.screens[head].size.width - (w + 4)) / 2;
		yy = rect.pos.y + (scr->xine_info.screens[head].size.height - (h + 4)) / 2;
	}
	else {
		xx = (scr->scr_width - (w + 4)) / 2;
		yy = (scr->scr_height - (h + 4)) / 2;
	}
#endif

	switch (wPreferences.workspace_name_display_position) {
	case WD_TOP:
#ifdef USE_XINERAMA
		px = xx;
#else
		px = (scr->scr_width - (w + 4)) / 2;
#endif
		py = WORKSPACE_NAME_DISPLAY_PADDING;
		break;
	case WD_BOTTOM:
#ifdef USE_XINERAMA
		px = xx;
#else
		px = (scr->scr_width - (w + 4)) / 2;
#endif
		py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
		break;
	case WD_TOPLEFT:
		px = WORKSPACE_NAME_DISPLAY_PADDING;
		py = WORKSPACE_NAME_DISPLAY_PADDING;
		break;
	case WD_TOPRIGHT:
		px = scr->scr_width - (w + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
		py = WORKSPACE_NAME_DISPLAY_PADDING;
		break;
	case WD_BOTTOMLEFT:
		px = WORKSPACE_NAME_DISPLAY_PADDING;
		py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
		break;
	case WD_BOTTOMRIGHT:
		px = scr->scr_width - (w + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
		py = scr->scr_height - (h + 4 + WORKSPACE_NAME_DISPLAY_PADDING);
		break;
	case WD_CENTER:
	default:
#ifdef USE_XINERAMA
		px = xx;
		py = yy;
#else
		px = (scr->scr_width - (w + 4)) / 2;
		py = (scr->scr_height - (h + 4)) / 2;
#endif
		break;
	}
	XResizeWindow(dpy, scr->workspace_name, w + 4, h + 4);
	XMoveWindow(dpy, scr->workspace_name, px, py);

	text = XCreatePixmap(dpy, scr->w_win, w + 4, h + 4, scr->w_depth);
	mask = XCreatePixmap(dpy, scr->w_win, w + 4, h + 4, 1);

	/*XSetForeground(dpy, scr->mono_gc, 0);
	   XFillRectangle(dpy, mask, scr->mono_gc, 0, 0, w+4, h+4); */

	XFillRectangle(dpy, text, WMColorGC(scr->black), 0, 0, w + 4, h + 4);

	for (x = 0; x <= 4; x++)
		for (y = 0; y <= 4; y++)
			WMDrawString(scr->wmscreen, text, scr->white, w_global.workspace.font_for_name, x, y, name, len);

	XSetForeground(dpy, scr->mono_gc, 1);
	XSetBackground(dpy, scr->mono_gc, 0);

	XCopyPlane(dpy, text, mask, scr->mono_gc, 0, 0, w + 4, h + 4, 0, 0, 1 << (scr->w_depth - 1));

	/*XSetForeground(dpy, scr->mono_gc, 1); */
	XSetBackground(dpy, scr->mono_gc, 1);

	XFillRectangle(dpy, text, WMColorGC(scr->black), 0, 0, w + 4, h + 4);

	WMDrawString(scr->wmscreen, text, scr->white, w_global.workspace.font_for_name, 2, 2, name, len);

#ifdef USE_XSHAPE
	if (w_global.xext.shape.supported)
		XShapeCombineMask(dpy, scr->workspace_name, ShapeBounding, 0, 0, mask, ShapeSet);
#endif
	XSetWindowBackgroundPixmap(dpy, scr->workspace_name, text);
	XClearWindow(dpy, scr->workspace_name);

	data->text = RCreateImageFromDrawable(scr->rcontext, text, None);

	XFreePixmap(dpy, text);
	XFreePixmap(dpy, mask);

	if (!data->text) {
		XMapRaised(dpy, scr->workspace_name);
		XFlush(dpy);

		goto erro;
	}

	ximg = RGetXImage(scr->rcontext, scr->root_win, px, py, data->text->width, data->text->height);

	if (!ximg || !ximg->image) {
		goto erro;
	}

	XMapRaised(dpy, scr->workspace_name);
	XFlush(dpy);

	data->back = RCreateImageFromXImage(scr->rcontext, ximg->image, NULL);
	RDestroyXImage(scr->rcontext, ximg);

	if (!data->back) {
		goto erro;
	}

	data->count = 10;

	/* set a timeout for the effect */
	data->timeout = time(NULL) + 2 + (WORKSPACE_NAME_DELAY + WORKSPACE_NAME_FADE_DELAY * data->count) / 1000;

	scr->workspace_name_data = data;

	return;

 erro:
	if (scr->workspace_name_timer)
		WMDeleteTimerHandler(scr->workspace_name_timer);

	if (data->text)
		RReleaseImage(data->text);
	if (data->back)
		RReleaseImage(data->back);
	wfree(data);

	scr->workspace_name_data = NULL;

	scr->workspace_name_timer = WMAddTimerHandler(WORKSPACE_NAME_DELAY +
						      10 * WORKSPACE_NAME_FADE_DELAY, hideWorkspaceName, scr);
}