101 lines
2.7 KiB
C
101 lines
2.7 KiB
C
/* Copyright (c), Niclas Meyer <niclas@countingsort.com>
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#include "luak/kiwmi_renderer.h"
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#include <stdlib.h>
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#include <string.h>
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#include <lauxlib.h>
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#include <wlr/render/wlr_renderer.h>
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#include <wlr/types/wlr_output.h>
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#include <wlr/util/log.h>
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#include "color.h"
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#include "desktop/output.h"
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#include "luak/lua_compat.h"
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#include "luak/luak.h"
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struct kiwmi_renderer {
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struct wlr_renderer *wlr_renderer;
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struct kiwmi_output *output;
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};
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static int
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l_kiwmi_renderer_draw_rect(lua_State *L)
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{
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struct kiwmi_renderer *renderer =
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(struct kiwmi_renderer *)luaL_checkudata(L, 1, "kiwmi_renderer");
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luaL_checktype(L, 2, LUA_TSTRING); // color
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luaL_checktype(L, 3, LUA_TNUMBER); // x
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luaL_checktype(L, 4, LUA_TNUMBER); // y
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luaL_checktype(L, 5, LUA_TNUMBER); // width
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luaL_checktype(L, 6, LUA_TNUMBER); // height
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struct wlr_renderer *wlr_renderer = renderer->wlr_renderer;
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struct kiwmi_output *output = renderer->output;
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struct wlr_output *wlr_output = output->wlr_output;
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float color[4];
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if (!color_parse(lua_tostring(L, 2), color)) {
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return luaL_argerror(L, 2, "not a valid color");
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}
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struct wlr_box box = {
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.x = lua_tonumber(L, 3),
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.y = lua_tonumber(L, 4),
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.width = lua_tonumber(L, 5),
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.height = lua_tonumber(L, 6),
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};
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wlr_render_rect(wlr_renderer, &box, color, wlr_output->transform_matrix);
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return 0;
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}
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static const luaL_Reg kiwmi_renderer_methods[] = {
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{"draw_rect", l_kiwmi_renderer_draw_rect},
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{NULL, NULL},
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};
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int
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luaK_kiwmi_renderer_new(lua_State *L)
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{
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luaL_checktype(L, 1, LUA_TLIGHTUSERDATA); // kiwmi_lua
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luaL_checktype(L, 2, LUA_TLIGHTUSERDATA); // wlr_renderer
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luaL_checktype(L, 3, LUA_TLIGHTUSERDATA); // wlr_output
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struct kiwmi_lua *UNUSED(lua) = lua_touserdata(L, 1);
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struct wlr_renderer *wlr_renderer = lua_touserdata(L, 2);
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struct kiwmi_output *output = lua_touserdata(L, 3);
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struct kiwmi_renderer *renderer_ud =
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lua_newuserdata(L, sizeof(*renderer_ud));
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luaL_getmetatable(L, "kiwmi_renderer");
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lua_setmetatable(L, -2);
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renderer_ud->wlr_renderer = wlr_renderer;
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renderer_ud->output = output;
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return 1;
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}
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int
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luaK_kiwmi_renderer_register(lua_State *L)
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{
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luaL_newmetatable(L, "kiwmi_renderer");
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lua_pushvalue(L, -1);
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lua_setfield(L, -2, "__index");
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luaC_setfuncs(L, kiwmi_renderer_methods, 0);
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lua_pushcfunction(L, luaK_usertype_ref_equal);
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lua_setfield(L, -2, "__eq");
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return 0;
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}
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