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zoom api changes: throw errors instead of returning bools, zoomEnabled takes book as arg, some small refactoring

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This commit is contained in:
jacob1 2019-03-05 23:40:20 -05:00
parent a06124a5a9
commit 9e110cba73
1 changed files with 30 additions and 23 deletions
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47
src/lua/LuaScriptInterface.cpp
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@ -2292,8 +2292,10 @@ int LuaScriptInterface::renderer_zoomEnabled(lua_State * l)
lua_pushboolean(l, luacon_ren->zoomEnabled);
return 1;
}
else {
luacon_ren->zoomEnabled = luaL_optint(l, 1, 0);
else
{
luaL_checktype(l, -1, LUA_TBOOLEAN);
luacon_ren->zoomEnabled = lua_toboolean(l, -1);
return 0;
}
}
@ -2304,26 +2306,28 @@ int LuaScriptInterface::renderer_zoomWindowInfo(lua_State * l)
ui::Point location = luacon_ren->zoomWindowPosition;
lua_pushnumber(l, location.X);
lua_pushnumber(l, location.Y);
lua_pushnumber(l, luacon_ren->zoomScopeSize*luacon_ren->ZFACTOR);
lua_pushnumber(l, luacon_ren->ZFACTOR);
lua_pushnumber(l, luacon_ren->zoomScopeSize * luacon_ren->ZFACTOR);
return 4;
}
int x = luaL_optint(l, 1, 0);
int y = luaL_optint(l, 2, 0);
int f = luaL_optint(l, 3, 0);
if (luacon_ren->zoomScopeSize*f + x <= XRES && luacon_ren->zoomScopeSize*f + y <= YRES && x >= 0 && y >= 0) //To prevent crash when zoom window is outside screen
{
if (f <= 0)
return luaL_error(l, "Zoom factor must be greater than 0");
// To prevent crash when zoom window is outside screen
if (x < 0 || y < 0 || luacon_ren->zoomScopeSize * f + x > XRES || luacon_ren->zoomScopeSize * f + y > YRES)
return luaL_error(l, "Zoom window outside of bounds");
luacon_ren->zoomWindowPosition = ui::Point(x, y);
luacon_ren->ZFACTOR = f;
lua_pushboolean(l, true);
return 1;
}
lua_pushboolean(l, false);
return 1;
return 0;
}
int LuaScriptInterface::renderer_zoomScopeInfo(lua_State * l)
{
if (lua_gettop(l) == 0) {
if (lua_gettop(l) == 0)
{
ui::Point location = luacon_ren->zoomScopePosition;
lua_pushnumber(l, location.X);
lua_pushnumber(l, location.Y);
@ -2333,17 +2337,20 @@ int LuaScriptInterface::renderer_zoomScopeInfo(lua_State * l)
int x = luaL_optint(l, 1, 0);
int y = luaL_optint(l, 2, 0);
int s = luaL_optint(l, 3, 0);
if (luacon_ren->ZFACTOR*s + luacon_ren->zoomWindowPosition.X <= XRES && luacon_ren->ZFACTOR*s + luacon_ren->zoomWindowPosition.Y <= YRES
&& x >= 0 && y >= 0 && x <= XRES && y <= YRES) //To prevent crash when zoom or scope window is outside screen
{
if (s <= 0)
return luaL_error(l, "Zoom scope size must be greater than 0");
// To prevent crash when zoom or scope window is outside screen
int windowEdgeRight = luacon_ren->ZFACTOR * s + luacon_ren->zoomWindowPosition.X;
int windowEdgeBottom = luacon_ren->ZFACTOR * s + luacon_ren->zoomWindowPosition.Y;
if (x < 0 || y < 0 || x + s > XRES || y + s > YRES)
return luaL_error(l, "Zoom scope outside of bounds");
if (windowEdgeRight > XRES || windowEdgeBottom > YRES)
return luaL_error(l, "Zoom window outside of bounds");
luacon_ren->zoomScopePosition = ui::Point(x, y);
luacon_ren->zoomScopeSize = s;
lua_pushboolean(l, true);
return 1;
}
lua_pushboolean(l, false);
return 1;
return 0;
}
void LuaScriptInterface::initElementsAPI()