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/** \file
* \brief pplot binding for Lua 5.
*
* See Copyright Notice in "iup.h"
*/
#include <lua.h>
#include <lauxlib.h>
#include "iup.h"
#include "iup_pplot.h"
#include <cd.h>
#include <cdlua.h>
#include "iuplua.h"
#include "iuplua_pplot.h"
#include "il.h"
static int pplot_edit_cb(Ihandle *self, int p0, int p1, float p2, float p3, float *p4, float *p5)
{
int ret;
lua_State *L = iuplua_call_start(self, "edit_cb");
lua_pushnumber(L, p0);
lua_pushnumber(L, p1);
lua_pushnumber(L, p2);
lua_pushnumber(L, p3);
ret = iuplua_call_raw(L, 4+2, LUA_MULTRET); /* 4 args + 2 args(errormsg, handle), variable number of returns */
if (ret || lua_isnil(L, -1))
return IUP_DEFAULT;
ret = (int)lua_tonumber(L,-1);
if (ret == IUP_IGNORE)
{
lua_pop(L, 1);
return IUP_IGNORE;
}
*p4 = (float)lua_tonumber(L, -3);
*p5 = (float)lua_tonumber(L, -2);
lua_pop(L, 1);
return IUP_DEFAULT;
}
static int pplot_postdraw_cb(Ihandle *self, cdCanvas* cnv)
{
lua_State *L = iuplua_call_start(self, "postdraw_cb");
cdlua_pushcanvas(L, cnv);
return iuplua_call(L, 1);
}
static int pplot_predraw_cb(Ihandle *self, cdCanvas* cnv)
{
lua_State *L = iuplua_call_start(self, "predraw_cb");
cdlua_pushcanvas(L, cnv);
return iuplua_call(L, 1);
}
static int PPlotBegin(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotBegin(ih, luaL_checkint(L,2));
return 0;
}
static int PPlotAdd(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotAdd(ih, (float)luaL_checknumber(L,2), (float)luaL_checknumber(L,3));
return 0;
}
static int PPlotAddStr(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotAddStr(ih, luaL_checkstring(L,2), (float)luaL_checknumber(L,3));
return 0;
}
static int PPlotEnd(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
int ret = IupPPlotEnd(ih);
lua_pushnumber(L, ret);
return 1;
}
static int PPlotInsertStr(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotInsertStr(ih, luaL_checkint(L,2), luaL_checkint(L,3), luaL_checkstring(L,4), (float)luaL_checknumber(L,5));
return 0;
}
static int PPlotInsert(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotInsert(ih, luaL_checkint(L,2), luaL_checkint(L,3), (float)luaL_checknumber(L,4), (float)luaL_checknumber(L,5));
return 0;
}
static int PPlotTransform(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
int ix, iy;
IupPPlotTransform(ih, (float)luaL_checknumber(L,2), (float)luaL_checknumber(L,3), &ix, &iy);
lua_pushnumber(L, ix);
lua_pushnumber(L, iy);
return 2;
}
static int PPlotPaintTo(lua_State *L)
{
Ihandle *ih = iuplua_checkihandle(L,1);
IupPPlotPaintTo(ih, cdlua_checkcanvas(L,2));
return 0;
}
void iuplua_pplotfuncs_open (lua_State *L)
{
iuplua_register_cb(L, "EDIT_CB", (lua_CFunction)pplot_edit_cb, "pplot");
iuplua_register_cb(L, "PREDRAW_CB", (lua_CFunction)pplot_predraw_cb, NULL);
iuplua_register_cb(L, "POSTDRAW_CB", (lua_CFunction)pplot_postdraw_cb, NULL);
iuplua_register(L, PPlotBegin ,"PPlotBegin");
iuplua_register(L, PPlotAdd ,"PPlotAdd");
iuplua_register(L, PPlotAddStr ,"PPlotAddStr");
iuplua_register(L, PPlotEnd ,"PPlotEnd");
iuplua_register(L, PPlotInsertStr ,"PPlotInsertStr");
iuplua_register(L, PPlotInsert ,"PPlotInsert");
iuplua_register(L, PPlotTransform ,"PPlotTransform");
iuplua_register(L, PPlotPaintTo ,"PPlotPaintTo");
}
int iuppplotlua_open(lua_State * L);
int iup_pplotlua_open(lua_State * L)
{
if (iuplua_opencall_internal(L))
IupPPlotOpen();
iuplua_changeEnv(L);
iuppplotlua_open(L);
iuplua_returnEnv(L);
return 0;
}
/* obligatory to use require"iuplua_pplot" */
int luaopen_iuplua_pplot(lua_State* L)
{
return iup_pplotlua_open(L);
}
/* obligatory to use require"iuplua_pplot51" */
int luaopen_iuplua_pplot51(lua_State* L)
{
return iup_pplotlua_open(L);
}
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