43     int sizex, sizey;  member in drawing_memory
50         return ((pixel_depth > 16) ? 4 : 2) * sizex * sizey;  in get_size()
84     bool init_window(int sizex, int sizey);
134     drawing_area(int x, int y, int sizex, int sizey);
135     inline drawing_area(int x, int y, int sizex, int sizey, const drawing_memory &dmem);
159     dmem.sizex = g_sizex;  in get_drawing_memory()
193 inline drawing_area::drawing_area(int x, int y, int sizex, int sizey, const drawing_memory &dmem)  in drawing_area()  argument
194         : base_index(y * dmem.sizex + x),  in drawing_area()
195           max_index(dmem.sizex * dmem.sizey),  in drawing_area()
196           index_stride(dmem.sizex),  in drawing_area()
201           size_x(sizex),  in drawing_area()
203     assert(x < dmem.sizex);  in drawing_area()
205     assert(x + sizex <= dmem.sizex);  in drawing_area()