static inline void nxeg_fillwindow(NXEGWINDOW hwnd, FAR const struct nxgl_rect_s *rect, FAR struct nxeg_state_s *st) { int ret; #ifdef CONFIG_EXAMPLES_NX_RAWWINDOWS ret = nx_fill(hwnd, rect, st->color); if (ret < 0) { message("nxeg_fillwindow: nx_fill failed: %d\n", errno); } #else ret = nxtk_fillwindow(hwnd, rect, st->color); if (ret < 0) { message("nxeg_fillwindow: nxtk_fillwindow failed: %d\n", errno); } #endif #ifdef CONFIG_NX_KBD nxeg_filltext(hwnd, rect, st); #endif }
int nxtk_drawlinewindow(NXTKWINDOW hfwnd, FAR struct nxgl_vector_s *vector, nxgl_coord_t width, nxgl_mxpixel_t color[CONFIG_NX_NPLANES], uint8_t caps) { struct nxgl_trapezoid_s trap[3]; struct nxgl_rect_s rect; int ret; #ifdef CONFIG_DEBUG if (!hfwnd || !vector || width < 1 || !color) { set_errno(EINVAL); return ERROR; } #endif /* Split the line into trapezoids */ ret = nxgl_splitline(vector, trap, &rect, width); switch (ret) { /* 0: Line successfully broken up into three trapezoids. Values in * traps[0], traps[1], and traps[2] are valid. */ case 0: ret = nxtk_filltrapwindow(hfwnd, &trap[0], color); if (ret == OK) { ret = nxtk_filltrapwindow(hfwnd, &trap[1], color); if (ret == OK) { ret = nxtk_filltrapwindow(hfwnd, &trap[2], color); } } break; /* 1: Line successfully represented by one trapezoid. Value in traps[1] * is valid. */ case 1: ret = nxtk_filltrapwindow(hfwnd, &trap[1], color); break; /* 2: Line successfully represented by one rectangle. Value in rect is * valid */ case 2: ret = nxtk_fillwindow(hfwnd, &rect, color); break; /* <0: On errors, a negated errno value is returned. */ default: set_errno(EINVAL); return ERROR; } /* Draw circular caps at each end of the line to support better line joins */ if (caps != NX_LINECAP_NONE && width >= 3) { nxgl_coord_t radius = width >> 1; /* Draw a circle at pt1 */ ret = OK; if ((caps & NX_LINECAP_PT1) != 0) { ret = nxtk_fillcirclewindow(hfwnd, &vector->pt1, radius, color); } /* Draw a circle at pt2 */ if (ret == OK && (caps & NX_LINECAP_PT2) != 0) { ret = nxtk_fillcirclewindow(hfwnd, &vector->pt2, radius, color); } }