22 static int gui_screenchar(int off, int flags, guicolor_T fg, guicolor_T bg, int back);
2161     int		off,	    // Offset from start of screen  in gui_screenchar()  argument
2170     if (enc_utf8 && ScreenLines[off] == 0)  in gui_screenchar()
2173     if (enc_utf8 && ScreenLinesUC[off] != 0)  in gui_screenchar()
2175 	return gui_outstr_nowrap(buf, utfc_char2bytes(off, buf),  in gui_screenchar()
2178     if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)  in gui_screenchar()
2180 	buf[0] = ScreenLines[off];  in gui_screenchar()
2181 	buf[1] = ScreenLines2[off];  in gui_screenchar()
2186     return gui_outstr_nowrap(ScreenLines + off,  in gui_screenchar()
2187 	    enc_dbcs ? (*mb_ptr2len)(ScreenLines + off) : 1,  in gui_screenchar()
2199     int		off,	    // Offset from start of screen  in gui_screenstr()  argument
2220 	for (i = off; i < off + len; ++i)  in gui_screenstr()
2243 	for (i = off; i < off + len; ++i)  in gui_screenstr()
2262 	return gui_outstr_nowrap(&ScreenLines[off], len,  in gui_screenstr()
2737     int		off;  in gui_redraw_block()  local
2767 	off = LineOffset[gui.row];  in gui_redraw_block()
2771 		col1 -= dbcs_screen_head_off(ScreenLines + off,  in gui_redraw_block()
2772 						    ScreenLines + off + col1);  in gui_redraw_block()
2773 	    col2 += dbcs_screen_tail_off(ScreenLines + off,  in gui_redraw_block()
2774 						    ScreenLines + off + col2);  in gui_redraw_block()
2778 	    if (ScreenLines[off + col1] == 0)  in gui_redraw_block()
2793 	    if (col2 + 1 < Columns && ScreenLines[off + col2 + 1] == 0)  in gui_redraw_block()
2798 	off = LineOffset[gui.row] + gui.col;  in gui_redraw_block()
2804 	    if (ScreenAttrs[off - 1 - back] != ScreenAttrs[off]  in gui_redraw_block()
2805 		    || ScreenLines[off - 1 - back] == ' ')  in gui_redraw_block()
2812 	    first_attr = ScreenAttrs[off];  in gui_redraw_block()
2815 	    if (enc_utf8 && ScreenLinesUC[off] != 0)  in gui_redraw_block()
2818 		nback = gui_screenchar(off, flags,  in gui_redraw_block()
2820 		if (gui.col < Columns && ScreenLines[off + 1] == 0)  in gui_redraw_block()
2825 	    else if (enc_dbcs == DBCS_JPNU && ScreenLines[off] == 0x8e)  in gui_redraw_block()
2828 		nback = gui_screenchar(off, flags,  in gui_redraw_block()
2838 		    if (enc_utf8 && ScreenLines[off + idx] == 0)  in gui_redraw_block()
2840 		    if (ScreenAttrs[off + idx] != first_attr)  in gui_redraw_block()
2844 		nback = gui_screenstr(off, idx, flags,  in gui_redraw_block()
2847 		for (idx = 0; idx < len && ScreenAttrs[off + idx] == first_attr;  in gui_redraw_block()
2851 		    if (enc_utf8 && ScreenLinesUC[off + idx] != 0)  in gui_redraw_block()
2856 			if (ScreenLines[off + idx] == 0x8e)  in gui_redraw_block()
2859 							    + off + idx) == 2)  in gui_redraw_block()
2863 		nback = gui_outstr_nowrap(ScreenLines + off, idx, flags,  in gui_redraw_block()
2871 		off -= back;  in gui_redraw_block()
2877 		off += idx;  in gui_redraw_block()