mirror of
https://github.com/freebsd/freebsd-src
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6faf55c86d
We have the call to gfx_interp_ref to bring in the .o so that we get the linker set item to add the language bindings at the right time. Where we call it is not the right time... So the _ref name is better. Change it before we have too many others like it. Sponsored by: Netflix
275 lines
6.2 KiB
C
275 lines
6.2 KiB
C
/*-
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* Copyright (c) 2024 Netflix, Inc.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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/* Copied from a file that likely shoulve have had this at the top */
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/*-
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* SPDX-License-Identifier: BSD-2-Clause
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*
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* Copyright 2020 Toomas Soome
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* Copyright 2020 RackTop Systems, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "lua.h"
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#include "lauxlib.h"
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#include "lutils.h"
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#include <gfx_fb.h>
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#include <pnglite.h>
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/*
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* put image using terminal coordinates.
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*/
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static int
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lua_term_putimage(lua_State *L)
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{
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const char *name;
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png_t png;
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uint32_t x1, y1, x2, y2, f;
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int nargs, ret = 0, error;
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nargs = lua_gettop(L);
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if (nargs != 6) {
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lua_pushboolean(L, 0);
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return 1;
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}
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name = luaL_checkstring(L, 1);
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x1 = luaL_checknumber(L, 2);
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y1 = luaL_checknumber(L, 3);
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x2 = luaL_checknumber(L, 4);
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y2 = luaL_checknumber(L, 5);
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f = luaL_checknumber(L, 6);
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x1 = gfx_state.tg_origin.tp_col + x1 * gfx_state.tg_font.vf_width;
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y1 = gfx_state.tg_origin.tp_row + y1 * gfx_state.tg_font.vf_height;
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if (x2 != 0) {
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x2 = gfx_state.tg_origin.tp_col +
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x2 * gfx_state.tg_font.vf_width;
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}
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if (y2 != 0) {
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y2 = gfx_state.tg_origin.tp_row +
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y2 * gfx_state.tg_font.vf_height;
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}
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if ((error = png_open(&png, name)) != PNG_NO_ERROR) {
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if (f & FL_PUTIMAGE_DEBUG)
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printf("%s\n", png_error_string(error));
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} else {
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if (gfx_fb_putimage(&png, x1, y1, x2, y2, f) == 0)
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ret = 1;
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(void) png_close(&png);
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}
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lua_pushboolean(L, ret);
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return 1;
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}
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static int
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lua_fb_putimage(lua_State *L)
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{
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const char *name;
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png_t png;
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uint32_t x1, y1, x2, y2, f;
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int nargs, ret = 0, error;
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nargs = lua_gettop(L);
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if (nargs != 6) {
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lua_pushboolean(L, 0);
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return 1;
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}
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name = luaL_checkstring(L, 1);
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x1 = luaL_checknumber(L, 2);
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y1 = luaL_checknumber(L, 3);
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x2 = luaL_checknumber(L, 4);
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y2 = luaL_checknumber(L, 5);
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f = luaL_checknumber(L, 6);
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if ((error = png_open(&png, name)) != PNG_NO_ERROR) {
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if (f & FL_PUTIMAGE_DEBUG)
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printf("%s\n", png_error_string(error));
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} else {
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if (gfx_fb_putimage(&png, x1, y1, x2, y2, f) == 0)
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ret = 1;
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(void) png_close(&png);
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}
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lua_pushboolean(L, ret);
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return 1;
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}
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static int
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lua_fb_setpixel(lua_State *L)
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{
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uint32_t x, y;
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int nargs;
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nargs = lua_gettop(L);
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if (nargs != 2) {
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lua_pushnil(L);
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return 1;
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}
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x = luaL_checknumber(L, 1);
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y = luaL_checknumber(L, 2);
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gfx_fb_setpixel(x, y);
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return 0;
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}
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static int
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lua_fb_line(lua_State *L)
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{
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uint32_t x0, y0, x1, y1, wd;
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int nargs;
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nargs = lua_gettop(L);
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if (nargs != 5) {
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lua_pushnil(L);
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return 1;
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}
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x0 = luaL_checknumber(L, 1);
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y0 = luaL_checknumber(L, 2);
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x1 = luaL_checknumber(L, 3);
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y1 = luaL_checknumber(L, 4);
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wd = luaL_checknumber(L, 5);
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gfx_fb_line(x0, y0, x1, y1, wd);
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return 0;
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}
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static int
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lua_fb_bezier(lua_State *L)
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{
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uint32_t x0, y0, x1, y1, x2, y2, width;
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int nargs;
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nargs = lua_gettop(L);
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if (nargs != 7) {
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lua_pushnil(L);
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return 1;
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}
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x0 = luaL_checknumber(L, 1);
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y0 = luaL_checknumber(L, 2);
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x1 = luaL_checknumber(L, 3);
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y1 = luaL_checknumber(L, 4);
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x2 = luaL_checknumber(L, 5);
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y2 = luaL_checknumber(L, 6);
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width = luaL_checknumber(L, 7);
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gfx_fb_bezier(x0, y0, x1, y1, x2, y2, width);
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return 0;
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}
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static int
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lua_fb_drawrect(lua_State *L)
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{
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uint32_t x0, y0, x1, y1, fill;
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int nargs;
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nargs = lua_gettop(L);
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if (nargs != 5) {
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lua_pushnil(L);
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return 1;
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}
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x0 = luaL_checknumber(L, 1);
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y0 = luaL_checknumber(L, 2);
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x1 = luaL_checknumber(L, 3);
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y1 = luaL_checknumber(L, 4);
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fill = luaL_checknumber(L, 5);
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gfx_fb_drawrect(x0, y0, x1, y1, fill);
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return 0;
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}
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static int
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lua_term_drawrect(lua_State *L)
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{
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uint32_t x0, y0, x1, y1;
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int nargs;
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nargs = lua_gettop(L);
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if (nargs != 4) {
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lua_pushnil(L);
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return 1;
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}
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x0 = luaL_checknumber(L, 1);
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y0 = luaL_checknumber(L, 2);
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x1 = luaL_checknumber(L, 3);
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y1 = luaL_checknumber(L, 4);
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gfx_term_drawrect(x0, y0, x1, y1);
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return 0;
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}
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#define REG_SIMPLE(n) { #n, lua_ ## n }
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static const struct luaL_Reg gfxlib[] = {
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REG_SIMPLE(fb_bezier),
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REG_SIMPLE(fb_drawrect),
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REG_SIMPLE(fb_line),
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REG_SIMPLE(fb_putimage),
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REG_SIMPLE(fb_setpixel),
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REG_SIMPLE(term_drawrect),
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REG_SIMPLE(term_putimage),
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{ NULL, NULL },
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};
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int
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luaopen_gfx(lua_State *L)
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{
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luaL_newlib(L, gfxlib);
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return 1;
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}
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void
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gfx_interp_ref(void)
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{
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}
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static void
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gfx_init_md(lua_State *L)
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{
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luaL_requiref(L, "gfx", luaopen_gfx, 1);
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lua_pop(L, 1); /* Remove lib */
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/*
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* Add in the compatibility references in the loader table. Doing it with
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* a pseudo-embedded script is easier than the raw calls.
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*/
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if (luaL_dostring(L,
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"loader.fb_bezier = gfx.fb_bezier\n"
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"loader.fb_drawrect = gfx.fb_drawrect\n"
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"loader.fb_line = gfx.fb_line\n"
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"loader.fb_putimage = gfx.fb_putimage\n"
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"loader.fb_setpixel = gfx.fb_setpixel\n"
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"loader.term_drawrect = gfx.term_drawrect\n"
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"loader.term_putimage = gfx.term_putimage") != 0) {
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lua_pop(L, 1);
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const char *errstr = lua_tostring(L, -1);
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errstr = errstr == NULL ? "unknown" : errstr;
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printf("Error adding compat loader bindings: %s.\n", errstr);
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}
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}
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LUA_COMPILE_SET(gfx_init_md);
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