C++ (Cpp) gx_default_clip_box Examples

Example #1

File: pcpage.c Project: hackqiang/gs

void
pcl_mark_page_for_current_pos(pcl_state_t * pcs)
{
    /* nothing to do */
    if (pcs->page_marked)
        return;

    /* convert current point to device space and check if it is inside
       device rectangle for the page */
    {
        gs_fixed_rect page_box;
        gs_fixed_point pt;
        int code;

        code = gx_default_clip_box(pcs->pgs, &page_box);
        if (code < 0)
            /* shouldn't happen. */
            return;
        
        code = gx_path_current_point(gx_current_path(pcs->pgs), &pt);
        if (code < 0)
            /* shouldn't happen */
            return;
        

        /* half-open lower - not sure this is correct */
        if (pt.x >= page_box.p.x && pt.y >= page_box.p.y &&
            pt.x < page_box.q.x && pt.y < page_box.q.y)
            pcs->page_marked = true;
    }
}

Example #2

int
gs_initclip(gs_state * pgs)
{
    gs_fixed_rect box;
    int code = gx_default_clip_box(pgs, &box);

    if (code < 0)
	return code;
    return gx_clip_to_rectangle(pgs, &box);
}

Example #3

File: gsdps.c Project: MasterPlexus/vendor_goldenve

int
gs_viewclippath(gs_state * pgs)
{
    gx_path cpath;
    gx_clip_path *pcpath = pgs->view_clip;
    int code;

    gx_path_init_local(&cpath, pgs->memory);
    if (pcpath == 0 || pcpath->rule == 0) {
	/* No view clip path is active: fabricate one. */
	gs_fixed_rect box;

	code = gx_default_clip_box(pgs, &box);
	if (code < 0)
	    return code;
	code = gx_path_add_rectangle(&cpath, box.p.x, box.p.y,
				     box.q.x, box.q.y);
    } else {
	code = gx_cpath_to_path(pcpath, &cpath);
    }
    if (code < 0)
	return code;
    return gx_path_assign_free(pgs->path, &cpath);
}