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Diffstat (limited to 'src/lua5/cdlua5_active.c')
| -rw-r--r-- | src/lua5/cdlua5_active.c | 2163 | 
1 files changed, 2163 insertions, 0 deletions
| diff --git a/src/lua5/cdlua5_active.c b/src/lua5/cdlua5_active.c new file mode 100644 index 0000000..ad4398e --- /dev/null +++ b/src/lua5/cdlua5_active.c @@ -0,0 +1,2163 @@ +/** \file + * \brief Lua Binding of the OLD API that needs an active canvas + * + * See Copyright Notice in cd.h + */ + + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> + +#ifdef CD_NO_OLD_INTERFACE +#undef CD_NO_OLD_INTERFACE +#endif + +#include "cd.h" +#include "wd.h" +#include "cdirgb.h" + +#include <lua.h> +#include <lauxlib.h> + +#include "cdlua.h" +#include "cdlua5_private.h" +#include "cdvoid5.h" + + +void cdlua_kill_active(lua_State * L, cdCanvas* canvas) +{ +  cdluaLuaState* cdL = cdlua_getstate(L); +  cdCanvas* void_canvas = cdL->void_canvas; + +  /* find out about the currently active canvas */ +  cdCanvas *current_canvas = cdActiveCanvas(); + +  /* this should never happen, unless the user did it on purpouse! */ +  if (canvas == void_canvas) +    luaL_error(L, "trying to kill the void canvas"); + +  /* if the user killed the currently active canvas, activate void canvas */ +  if (canvas == current_canvas) +    cdActivate(void_canvas); +} + +/***************************************************************************\ +* Activates a cd canvas.                                                    * +\***************************************************************************/ +static int cdlua5_activate(lua_State * L) +{ +  cdCanvas* canvas; + +  /* if canvas is nil, activate a void canvas */ +  if (lua_isnil(L, 1)) +  { +    cdluaLuaState* cdL = cdlua_getstate(L); +    cdCanvas* void_canvas = cdL->void_canvas; +    lua_pushnumber(L, cdActivate(void_canvas)); +    return 1; +  } + +  canvas = cdlua_checkcanvas(L, 1); +  lua_pushnumber(L, cdActivate(canvas)); +  return 1; +} + +/***************************************************************************\ +* Returns the active canvas.                                                * +\***************************************************************************/ +static int cdlua5_activecanvas(lua_State* L) +{ +  cdCanvas* canvas = cdActiveCanvas(); +  if (canvas) +    cdlua_pushcanvas(L, canvas); +  else +    lua_pushnil(L); + +  return 1; +} + +/***************************************************************************\ +* cd.Simulate(mode: number) -> (old_mode: number)                           * +\***************************************************************************/ +static int cdlua5_simulate(lua_State *L) +{ +  lua_pushnumber(L, cdSimulate(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* Control                                                                   * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Clear()                                                                * +\***************************************************************************/ +static int cdlua5_clear(lua_State *L) +{ +  (void)L; +  cdClear(); +  return 0; +} + +/***************************************************************************\ +* cd.Flush()                                                                * +\***************************************************************************/ +static int cdlua5_flush(lua_State *L) +{ +  (void)L; +  cdFlush(); +  return 0; +} + +static int cdlua5_savestate(lua_State *L) +{ +  cdState* state = cdSaveState(); +  if (state) +    cdlua_pushstate(L, state); +  else +    lua_pushnil(L); +  return 1; +} + +static int cdlua5_restorestate(lua_State * L) +{ +  cdRestoreState(cdlua_checkstate(L, 1)); +  return 0; +} + +/***************************************************************************\ +* cd.SetAttribute(name, data: string)                                       * +\***************************************************************************/ + +static int cdlua_isuserdata(const char* name) +{ +  if (strcmp(name, "HDC")==0) return 1; +  if (strcmp(name, "GC")==0) return 1; +  return 0; +} + +static int cdlua5_setattribute(lua_State *L) +{ +  const char* name = luaL_checkstring(L, 1); +    +  if (lua_isnil(L, 2)) +  { +    cdSetAttribute(name, NULL); +  } +  else +  { +    char* data; +    if (cdlua_isuserdata(name)) +      data = (char*) lua_touserdata(L, 2); +    else +      data = (char*) luaL_checkstring(L, 2); +    cdSetAttribute(name, data); +  } +  return 0; +} + + +/***************************************************************************\ +* cd.SetAttribute(name: string) -> (data: string)                           * +\***************************************************************************/ +static int cdlua5_getattribute(lua_State *L) +{ +  char* name = (char *)luaL_checkstring(L, 1); +  char* data = cdGetAttribute(name); +  if (data) +  { +    if (cdlua_isuserdata(name)) +      lua_pushlightuserdata(L, data); +    else +      lua_pushstring(L, data); +  } +  else +    lua_pushnil(L); +  return 1; +} + + + +/***************************************************************************\ +* Coordinate System                                                         * +\***************************************************************************/ + +/***************************************************************************\ +* cd.GetCanvasSize() -> (width, heigth, mm_width, mm_height: number)        * +\***************************************************************************/ +static int cdlua5_getcanvassize(lua_State *L) +{ +  int width; +  int height; +  double mm_width; +  double mm_height; + +  cdGetCanvasSize(&width, &height, &mm_width, &mm_height); +   +  lua_pushnumber(L, width); +  lua_pushnumber(L, height); +  lua_pushnumber(L, mm_width); +  lua_pushnumber(L, mm_height); +  return 4; +} + +/***************************************************************************\ +* cd.UpdateYAxis(yc: number) -> (yr: number)                                * +\***************************************************************************/ +static int cdlua5_updateyaxis(lua_State *L) +{ +  int y = luaL_checkint(L, 1); +  cdUpdateYAxis(&y); +  lua_pushnumber(L, y); +  return 1; +} + +/***************************************************************************\ +* cd.MM2Pixel(mm_dx, mm_dy: number) -> (dx, dy: number)                     * +\***************************************************************************/ +static int cdlua5_mm2pixel(lua_State *L) +{ +  double mm_dx_d, mm_dy_d; +  int dx, dy; + +  mm_dx_d = luaL_checknumber(L,1); +  mm_dy_d = luaL_checknumber(L,2); + +  cdMM2Pixel(mm_dx_d, mm_dy_d, &dx, &dy); +  lua_pushnumber(L, dx); +  lua_pushnumber(L, dy); +  return 2; +} + +/***************************************************************************\ +* cd.Pixel2MM(dx, dy: number) -> (mm_dx, mm_dy: number)                     * +\***************************************************************************/ +static int cdlua5_pixel2mm(lua_State *L) +{ +  double mm_dx_d, mm_dy_d; +  int dx, dy; + +  dx = luaL_checkint(L,1); +  dy = luaL_checkint(L,2); + +  cdPixel2MM(dx, dy, &mm_dx_d, &mm_dy_d); +  lua_pushnumber(L, mm_dx_d); +  lua_pushnumber(L, mm_dy_d); +  return 2; +} + +/***************************************************************************\ +* cd.Origin(x, y: number)                                                   * +\***************************************************************************/ +static int cdlua5_origin(lua_State *L) +{ +  cdOrigin(luaL_checkint(L,1), luaL_checkint(L,2)); +  return 0; +} + + + +/***************************************************************************\ +* World Coordinates                                                         * +\***************************************************************************/ + +/***************************************************************************\ +* wd.Window(xmin, xmax, ymin, ymax: number)                                 * +\***************************************************************************/ +static int wdlua5_window(lua_State *L) +{ +  double xmin = luaL_checknumber(L, 1); +  double xmax = luaL_checknumber(L, 2); +  double ymin = luaL_checknumber(L, 3); +  double ymax = luaL_checknumber(L, 4); +  wdWindow(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* wd.GetWindow() -> (xmin, xmax, ymin, ymax: number)                        * +\***************************************************************************/ +static int wdlua5_getwindow(lua_State *L) +{ +  double xmin, xmax, ymin, ymax; + +  wdGetWindow(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + +/***************************************************************************\ +* wd.Viewport(xmin, xmax, ymin, ymax: number)                               * +\***************************************************************************/ +static int wdlua5_viewport(lua_State *L) +{ +  int xmin = luaL_checkint(L, 1); +  int xmax = luaL_checkint(L, 2); +  int ymin = luaL_checkint(L, 3); +  int ymax = luaL_checkint(L, 4); +  wdViewport(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* wd.GetViewport() -> (xmin, xmax, ymin, ymax: number                       * +\***************************************************************************/ +static int wdlua5_getviewport(lua_State *L) +{ +  int xmin, xmax, ymin, ymax; + +  wdGetViewport(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + +/***************************************************************************\ +* wd.World2Canvas(xw, yw: number) -> (xv, yv: number)                       * +\***************************************************************************/ +static int wdlua5_world2canvas(lua_State *L) +{ +  double xw_d, yw_d; +  int xv_i, yv_i; + +  xw_d = luaL_checknumber(L, 1); +  yw_d = luaL_checknumber(L, 2); + +  wdWorld2Canvas(xw_d, yw_d, &xv_i, &yv_i); +  lua_pushnumber(L, xv_i); +  lua_pushnumber(L, yv_i); +  return 2; +} + +/***************************************************************************\ +* wd.Canvas2World(xv, yv: number) -> (xw, yw: number)                       * +\***************************************************************************/ +static int wdlua5_canvas2world(lua_State *L) +{ +  int xv_i, yv_i; +  double xw_d, yw_d; + +  xv_i = luaL_checkint(L, 1); +  yv_i = luaL_checkint(L, 2); + +  wdCanvas2World(xv_i, yv_i, &xw_d, &yw_d); +  lua_pushnumber(L, xw_d); +  lua_pushnumber(L, yw_d); +  return 2; +} + + + +/***************************************************************************\ +* General Attributes                                                        * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Foreground(color) -> color                                             * +\***************************************************************************/ +static int cdlua5_foreground(lua_State *L) +{ +  long int color_i = cdlua_checkcolor(L, 1); +  color_i = cdForeground(color_i); +  lua_pushlightuserdata(L, (void*)color_i); +  return 1; +} + +/***************************************************************************\ +* cd.Background(color) -> color                                             * +\***************************************************************************/ +static int cdlua5_background(lua_State *L) +{ +  long int color_i = cdlua_checkcolor(L, 1); +  color_i = cdBackground(color_i); +  lua_pushlightuserdata(L, (void*) color_i); +  return 1; +} + +/***************************************************************************\ +* cd.WriteMode(mode: number) -> (old_mode: number)                          * +\***************************************************************************/ +static int cdlua5_writemode(lua_State *L) +{ +  lua_pushnumber(L, cdWriteMode(luaL_checkint(L, 1))); +  return 1; +} + + + +/***************************************************************************\ +* Clipping                                                                  * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Clip(mode: number) -> (old_mode: number)                               * +\***************************************************************************/ +static int cdlua5_clip(lua_State *L) +{ +  lua_pushnumber(L, cdClip(luaL_checkint(L,1))); +  return 1; +} + +/***************************************************************************\ +* cd.ClipArea(xmin, xmax, ymin, ymax: number)                               * +\***************************************************************************/ +static int cdlua5_cliparea(lua_State *L) +{ +  int xmin = luaL_checkint(L, 1); +  int xmax = luaL_checkint(L, 2); +  int ymin = luaL_checkint(L, 3); +  int ymax = luaL_checkint(L, 4); + +  cdClipArea(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.wClipArea(xmin, xmax, ymin, ymax: number)                              * +\***************************************************************************/ +static int wdlua5_cliparea(lua_State *L) +{ +  double xmin = luaL_checknumber(L, 1); +  double xmax = luaL_checknumber(L, 2); +  double ymin = luaL_checknumber(L, 3); +  double ymax = luaL_checknumber(L, 4); + +  wdClipArea(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.GetClipArea() -> (xmin, xmax, ymin, ymax, status: number)              * +\***************************************************************************/ +static int cdlua5_getcliparea(lua_State *L) +{ +  int xmin, xmax, ymin, ymax; +  int status; + +  status = cdGetClipArea(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  lua_pushnumber(L, status); +  return 5; +} + +/***************************************************************************\ +* cd.wGetClipArea() -> (xmin, xmax, ymin, ymax, status: number)             * +\***************************************************************************/ +static int wdlua5_getcliparea(lua_State *L) +{ +  double xmin, xmax, ymin, ymax; +  int status; + +  status = wdGetClipArea(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  lua_pushnumber(L, status); +  return 5; +} + +/***************************************************************************\ +* cd.GetClipPoly() -> (n: number, points: table)                            * +\***************************************************************************/ +static int cdlua5_getclippoly(lua_State *L) +{ +  int n, i; +  int *pts; +   +  pts = cdGetClipPoly(&n); +  if (pts) +  { +    lua_pushnumber(L, n); + +    lua_newtable(L); +    for (i=0; i < 2*n; i++) +    { +      lua_pushnumber(L, i+1); +      lua_pushnumber(L, pts[i]); +      lua_settable(L, -3); +    } + +    return 2; +  } +  else +  { +    lua_pushnil(L); +    return 1; +  } +} + +/***************************************************************************\ +* cd.wGetClipPoly() -> (n: number, points: table)                           * +\***************************************************************************/ +static int wdlua5_getclippoly(lua_State *L) +{ +  int n, i; +  double *pts; +   +  pts = wdGetClipPoly(&n); +  if (pts) +  { +    lua_pushnumber(L, n); + +    lua_newtable(L); +    for (i=0; i < 2*n; i++) +    { +      lua_pushnumber(L, i+1); +      lua_pushnumber(L, pts[i]); +      lua_settable(L,-3); +    } + +    return 2; +  } +  else +  { +    lua_pushnil(L); +    return 1; +  } +} + + +/***************************************************************************\ +* Regions                                                                   * +\***************************************************************************/ + +/***************************************************************************\ +* cd.RegionCombineMode(mode: number) -> (old_mode: number)                  * +\***************************************************************************/ +static int cdlua5_regioncombinemode(lua_State *L) +{ +  lua_pushnumber(L, cdRegionCombineMode(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.PointInRegion(x, y: number) -> (status: number)                        * +\***************************************************************************/ +static int  cdlua5_pointinregion(lua_State *L) +{ +  lua_pushnumber(L, cdPointInRegion(luaL_checkint(L, 1),luaL_checkint(L, 2))); +  return 1; +} + +/***************************************************************************\ +* cd.wPointInRegion(x, y: number) -> (status: number)                       * +\***************************************************************************/ +static int wdlua5_pointinregion(lua_State *L) +{ +  lua_pushnumber(L, wdPointInRegion(luaL_checknumber(L, 1), luaL_checknumber(L, 2))); +  return 1; +} + +/***************************************************************************\ +* cd.OffsetRegion(dx, dy: number)                                           * +\***************************************************************************/ +static int cdlua5_offsetregion(lua_State *L) +{ +  cdOffsetRegion(luaL_checkint(L, 1), luaL_checkint(L, 2)); +  return 0; +} + +/***************************************************************************\ +* cd.wOffsetRegion(dx, dy: number)                                          * +\***************************************************************************/ +static int wdlua5_offsetregion(lua_State *L) +{ +  wdOffsetRegion(luaL_checknumber(L, 1), luaL_checknumber(L, 2)); +  return 0; +} + +/***************************************************************************\ +* cd.RegionBox() -> (xmin, xmax, ymin, ymax, status: number)                * +\***************************************************************************/ +static int cdlua5_regionbox(lua_State *L) +{ +  int xmin, xmax, ymin, ymax; +   +  cdRegionBox(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + +/***************************************************************************\ +* cd.wRegionBox() -> (xmin, xmax, ymin, ymax, status: number)               * +\***************************************************************************/ +static int wdlua5_regionbox(lua_State *L) +{ +  double xmin, xmax, ymin, ymax; + +  wdRegionBox(&xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + + + +/***************************************************************************\ +* Primitives                                                                * +\***************************************************************************/ + + + +/***************************************************************************\ +* Marks                                                                     * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Pixel(x, y: number, color)                                             * +\***************************************************************************/ +static int cdlua5_pixel (lua_State *L) +{ +  cdPixel(luaL_checkint(L, 1), luaL_checkint(L, 2), cdlua_checkcolor(L, 3)); +  return 0 ; +} + +/***************************************************************************\ +* cd.wPixel(x, y: number, color)                                            * +\***************************************************************************/ +static int wdlua5_pixel (lua_State *L) +{ +  wdPixel(luaL_checknumber(L, 1), luaL_checknumber(L, 2), cdlua_checkcolor(L, 3)); +  return 0; +} + +/***************************************************************************\ +* cd.Mark(x, y: number)                                                     * +\***************************************************************************/ +static int cdlua5_mark(lua_State *L) +{ +  cdMark(luaL_checkint(L,1), luaL_checkint(L,2)); +  return 0; +} + +/***************************************************************************\ +* cd.wMark(x, y: number)                                                    * +\***************************************************************************/ +static int wdlua5_mark(lua_State *L) +{ +  wdMark(luaL_checknumber(L, 1), luaL_checknumber(L, 2)); +  return 0; +} + +/***************************************************************************\ +* cd.MarkType(type: number) -> (old_type: number)                           * +\***************************************************************************/ +static int cdlua5_marktype(lua_State *L) +{ +  lua_pushnumber(L, cdMarkType(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.MarkSize(size: number) -> (old_size: number)                           * +\***************************************************************************/ +static int cdlua5_marksize(lua_State *L) +{ +  lua_pushnumber(L, cdMarkSize(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.wMarkSize(size: number) -> (old_size: number)                          * +\***************************************************************************/ +static int wdlua5_marksize(lua_State *L) +{ +  lua_pushnumber(L, wdMarkSize(luaL_checknumber(L, 1))); +  return 1; +} + + + +/***************************************************************************\ +* Lines                                                                     * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Line(x1, y1, x2, y2: number)                                           * +\***************************************************************************/ +static int cdlua5_line(lua_State *L) +{ +  int x1 = luaL_checkint(L,1); +  int y1 = luaL_checkint(L,2); +  int x2 = luaL_checkint(L,3); +  int y2 = luaL_checkint(L,4); +  cdLine(x1, y1, x2, y2); +  return 0; +} + +/***************************************************************************\ +* cd.wLine(x1, y1, x2, y2: number)                                          * +\***************************************************************************/ +static int wdlua5_line(lua_State *L) +{ +  double x1 = luaL_checknumber(L, 1); +  double y1 = luaL_checknumber(L, 2); +  double x2 = luaL_checknumber(L, 3); +  double y2 = luaL_checknumber(L, 4); +  wdLine(x1, y1, x2, y2); +  return 0; +} + +/***************************************************************************\ +* cd.Rect(xmin, xmax, ymin, ymax: number)                                   * +\***************************************************************************/ +static int cdlua5_rect(lua_State *L) +{ +  int xmin = luaL_checkint(L,1); +  int xmax = luaL_checkint(L,2); +  int ymin = luaL_checkint(L,3); +  int ymax = luaL_checkint(L,4); +  cdRect(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.wRect(xmin, xmax, ymin, ymax: number)                                  * +\***************************************************************************/ +static int wdlua5_rect(lua_State *L) +{ +  double xmin = luaL_checknumber(L, 1); +  double xmax = luaL_checknumber(L, 2); +  double ymin = luaL_checknumber(L, 3); +  double ymax = luaL_checknumber(L, 4); +  wdRect(xmin,xmax,ymin,ymax); +  return 0; +} + +/***************************************************************************\ +* cd.Arc(xc, yc, w, h, angle1, angle2: number)                              * +\***************************************************************************/ +static int cdlua5_arc(lua_State *L) +{ +  int xc = luaL_checkint(L,1); +  int yc = luaL_checkint(L,2); +  int w = luaL_checkint(L,3); +  int h = luaL_checkint(L,4); +  double angle1 = luaL_checknumber(L,5); +  double angle2 = luaL_checknumber(L,6); +  cdArc(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.wArc(xc, yc, w, h, angle1, angle2: number)                             * +\***************************************************************************/ +static int wdlua5_arc(lua_State *L) +{ +  double xc = luaL_checknumber(L, 1); +  double yc = luaL_checknumber(L, 2); +  double w = luaL_checknumber(L, 3); +  double h = luaL_checknumber(L, 4); +  double angle1 = luaL_checknumber(L, 5); +  double angle2 = luaL_checknumber(L, 6); +  wdArc(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.LineStyle(style: number) -> (old_style: number)                        * +\***************************************************************************/ +static int cdlua5_linestyle(lua_State *L) +{ +  lua_pushnumber(L, cdLineStyle(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.LineStyleDashes(dashes: table, count: number)                          * +\***************************************************************************/ +static int cdlua5_linestyledashes(lua_State *L) +{ +  int *dashes_int, dashes_count, i; + +  if (!lua_istable(L, 1)) +    luaL_argerror(L, 1, "invalid dashes, must be a table"); + +  dashes_count = luaL_checkint(L, 2); +  dashes_int = (int*) malloc(dashes_count * sizeof(int)); + +  for (i=0; i < dashes_count; i++) +  { +    lua_pushnumber(L, i+1); +    lua_gettable(L,1); + +    dashes_int[i] = luaL_checkint(L,-1); +  } + +  cdLineStyleDashes(dashes_int, dashes_count); +  free(dashes_int); + +  return 0; +} + +/***************************************************************************\ +* cd.LineWidth(width: number) -> (old_width: number)                        * +\***************************************************************************/ +static int cdlua5_linewidth(lua_State *L) +{ +  lua_pushnumber(L, cdLineWidth(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.wLineWidth(width: number) -> (old_width: number)                       * +\***************************************************************************/ +static int wdlua5_linewidth(lua_State *L) +{ +  lua_pushnumber(L, wdLineWidth(luaL_checknumber(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.LineJoin(style: number) -> (old_style: number)                         * +\***************************************************************************/ +static int cdlua5_linejoin(lua_State *L) +{ +  lua_pushnumber(L, cdLineJoin(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.LineCap(style: number) -> (old_style: number)                          * +\***************************************************************************/ +static int cdlua5_linecap(lua_State *L) +{ +  lua_pushnumber(L, cdLineCap(luaL_checkint(L, 1))); +  return 1; +} + + + +/***************************************************************************\ +* Filled Areas                                                              * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Box(xmin, xmax, ymin, ymax: number)                                    * +\***************************************************************************/ +static int cdlua5_box(lua_State *L) +{ +  int xmin = luaL_checkint(L, 1); +  int xmax = luaL_checkint(L, 2); +  int ymin = luaL_checkint(L, 3); +  int ymax = luaL_checkint(L, 4); +  cdBox(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.wBox(xmin, xmax, ymin, ymax: number)                                   * +\***************************************************************************/ +static int wdlua5_box(lua_State *L) +{ +  double xmin = luaL_checknumber(L, 1); +  double xmax = luaL_checknumber(L, 2); +  double ymin = luaL_checknumber(L, 3); +  double ymax = luaL_checknumber(L, 4); +  wdBox(xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.Sector(xc, yc, w, h, angle1, angle2: number)                           * +\***************************************************************************/ +static int cdlua5_sector(lua_State *L) +{ +  int xc = luaL_checkint(L,1); +  int yc = luaL_checkint(L,2); +  int w = luaL_checkint(L,3); +  int h = luaL_checkint(L,4); +  double angle1 = luaL_checknumber(L,5); +  double angle2 = luaL_checknumber(L,6); +  cdSector(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.wSector(xc, yc, w, h, angle1, angle2: number)                          * +\***************************************************************************/ +static int wdlua5_sector(lua_State *L) +{ +  double xc = luaL_checknumber(L, 1); +  double yc = luaL_checknumber(L, 2); +  double w = luaL_checknumber(L, 3); +  double h = luaL_checknumber(L, 4); +  double angle1 = luaL_checknumber(L, 5); +  double angle2 = luaL_checknumber(L, 6); +  wdSector(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.Chord(xc, yc, w, h, angle1, angle2: number)                            * +\***************************************************************************/ +static int cdlua5_chord(lua_State *L) +{ +  int xc = luaL_checkint(L,1); +  int yc = luaL_checkint(L,2); +  int w = luaL_checkint(L,3); +  int h = luaL_checkint(L,4); +  double angle1 = luaL_checknumber(L,5); +  double angle2 = luaL_checknumber(L,6); +  cdChord(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.wChord(xc, yc, w, h, angle1, angle2: number)                           * +\***************************************************************************/ +static int wdlua5_chord(lua_State *L) +{ +  double xc = luaL_checknumber(L, 1); +  double yc = luaL_checknumber(L, 2); +  double w = luaL_checknumber(L, 3); +  double h = luaL_checknumber(L, 4); +  double angle1 = luaL_checknumber(L, 5); +  double angle2 = luaL_checknumber(L, 6); +  wdChord(xc, yc, w, h, angle1, angle2); +  return 0; +} + +/***************************************************************************\ +* cd.BackOpacity(opacity: number) -> (old_opacity: number)                  * +\***************************************************************************/ +static int cdlua5_backopacity(lua_State *L) +{ +  lua_pushnumber(L, cdBackOpacity(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.FillMode(mode: number) -> (old_mode: number)                           * +\***************************************************************************/ +static int cdlua5_fillmode(lua_State *L) +{ +  lua_pushnumber(L, cdFillMode(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.InteriorStyle(style: number) -> (old_style: number)                    * +\***************************************************************************/ +static int cdlua5_interiorstyle(lua_State *L) +{ +  lua_pushnumber(L, cdInteriorStyle(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.Hatch(style: number) -> (old_style: number)                            * +\***************************************************************************/ +static int cdlua5_hatch(lua_State *L) +{ +  lua_pushnumber(L, cdHatch(luaL_checkint(L, 1))); +  return 1; +} + +static int cdlua5_stipple(lua_State *L) +{ +  cdluaStipple *stipple_p = cdlua_checkstipple(L, 1); +  cdStipple(stipple_p->width, stipple_p->height, stipple_p->stipple); +  return 0 ; +} + +static int wdlua5_stipple(lua_State *L) +{ +  cdluaStipple *stipple_p = cdlua_checkstipple(L, 1); +  double w_mm = luaL_checknumber(L, 2); +  double h_mm = luaL_checknumber(L, 3); +  wdStipple(stipple_p->width, stipple_p->height, stipple_p->stipple, w_mm, h_mm); +  return 0; +} + +static int cdlua5_getstipple(lua_State *L) +{ +  int width, height, size; +  unsigned char *stipple, *new_stipple = NULL; + +  stipple = cdGetStipple(&width, &height); + +  size = width * height; + +  if (stipple) +    new_stipple = (unsigned char *)malloc(size); + +  if (new_stipple)  +  { +    memcpy(new_stipple, stipple, size);   +    cdlua_pushstipple(L, new_stipple, width, height); +  } +  else +    lua_pushnil(L); + +  return 1; +} + +static int cdlua5_pattern(lua_State *L) +{ +  cdluaPattern* pattern_p = cdlua_checkpattern(L, 1); +  cdPattern(pattern_p->width, pattern_p->height, pattern_p->pattern); +  return 0; +} + +static int wdlua5_pattern(lua_State *L) +{ +  cdluaPattern* pattern_p = cdlua_checkpattern(L, 1); +  double w_mm = luaL_checknumber(L, 2); +  double h_mm = luaL_checknumber(L, 3); +  wdPattern(pattern_p->width, pattern_p->height, pattern_p->pattern, w_mm, h_mm); +  return 0; +} + +static int cdlua5_getpattern(lua_State *L) +{ +  int width, height, size; +  long int *pattern, *new_pattern = NULL; + +  pattern = cdGetPattern(&width, &height); + +  size = width * height; + +  if (pattern) +    new_pattern = (long int *) malloc(size * sizeof(long int)); + +  if (new_pattern) +  { +    memcpy(new_pattern, pattern, size * sizeof(long int)); +    cdlua_pushpattern(L, new_pattern, width, height); +  } +  else +    lua_pushnil(L); + +  return 1; +} + +/***************************************************************************\ +* Text                                                                      * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Text(x, y: number, text: string)                                       * +\***************************************************************************/ +static int cdlua5_text(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  cdText(luaL_checkint(L, 1), luaL_checkint(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.wText(x, y: number, text: string)                                      * +\***************************************************************************/ +static int wdlua5_text(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  wdText(luaL_checknumber(L, 1), luaL_checknumber(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.Font(typeface, style, size: number)                                    * +\***************************************************************************/ +static int cdlua5_font(lua_State *L) +{ +  cdFont(luaL_checkint(L, 1), luaL_checkint(L, 2), luaL_checkint(L, 3)); +  return 0; +} + +/***************************************************************************\ +* cd.wFont(typeface, style, size: number)                                   * +\***************************************************************************/ +static int wdlua5_font(lua_State *L) +{ +  wdFont(luaL_checkint(L, 1), luaL_checkint(L, 2), luaL_checknumber(L, 3)); +  return 0; +} + + +/***************************************************************************\ +* cd.GetFont() -> (typeface, style, size: number)                           * +\***************************************************************************/ +static int cdlua5_getfont(lua_State *L) +{ +  int type_face, style, size; + +  cdGetFont(&type_face, &style, &size); +  lua_pushnumber(L, type_face); +  lua_pushnumber(L, style); +  lua_pushnumber(L, size); +  return 3; +} + +/***************************************************************************\ +* cd.wGetFont() -> (typeface, style, size: number)                          * +\***************************************************************************/ +static int wdlua5_getfont(lua_State *L) +{ +  int type_face, style; +  double size; + +  wdGetFont(&type_face, &style, &size); +  lua_pushnumber(L, type_face); +  lua_pushnumber(L, style); +  lua_pushnumber(L, size); +  return 3; +} + +/***************************************************************************\ +* cd.NativeFont(font: string)                                               * +\***************************************************************************/ +static int cdlua5_nativefont(lua_State *L) +{ +  lua_pushstring(L, cdNativeFont(luaL_checkstring(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.TextAlignment(alignment: number) -> (old_alignment: number)            * +\***************************************************************************/ +static int cdlua5_textalignment(lua_State *L) +{ +  lua_pushnumber(L, cdTextAlignment(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.TextOrientation(angle: number) -> (old_angle: number)                  * +\***************************************************************************/ +static int cdlua5_textorientation(lua_State *L) +{ +  lua_pushnumber(L, cdTextOrientation(luaL_checknumber(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.FontDim() -> (max_width, max_height, ascent, descent: number)          * +\***************************************************************************/ +static int cdlua5_fontdim(lua_State *L) +{ +  int max_width; +  int height; +  int ascent; +  int descent; + +  cdFontDim(&max_width, &height, &ascent, &descent); +  lua_pushnumber(L, max_width); +  lua_pushnumber(L, height); +  lua_pushnumber(L, ascent); +  lua_pushnumber(L, descent); +  return 4; +} + +/***************************************************************************\ +* cd.wFontDim() -> (max_width, max_height, ascent, descent: number)         * +\***************************************************************************/ +static int wdlua5_fontdim(lua_State *L) +{ +  double max_width; +  double height; +  double ascent; +  double descent; + +  wdFontDim(&max_width, &height, &ascent, &descent); +  lua_pushnumber(L, max_width); +  lua_pushnumber(L, height); +  lua_pushnumber(L, ascent); +  lua_pushnumber(L, descent); +  return 4; +} + +/***************************************************************************\ +* cd.TextSize(text: string) -> (width, heigth: number)                      * +\***************************************************************************/ +static int cdlua5_textsize(lua_State *L) +{ +  int width; +  int height; + +  const char* text_s = luaL_checkstring(L, 1); + +  cdTextSize(text_s, &width, &height); +  lua_pushnumber(L, width); +  lua_pushnumber(L, height); +  return 2; +} + +/***************************************************************************\ +* cd.wTextSize(text: string) -> (width, heigth: number)                     * +\***************************************************************************/ +static int wdlua5_textsize(lua_State *L) +{ +  double width; +  double height; +  +  const char* text_s = luaL_checkstring(L, 1); + +  wdTextSize(text_s, &width, &height); +  lua_pushnumber(L, width); +  lua_pushnumber(L, height); +  return 2; +} + +/****************************************************************************\ +* cd.TextBox(x, y: number, text: string) -> (xmin, xmax, ymin, ymax: number) * +\****************************************************************************/ +static int cdlua5_textbox(lua_State *L) +{ +  int xmin, xmax, ymin, ymax; +  int x = luaL_checkint(L, 1); +  int y = luaL_checkint(L, 2); +  const char* s = luaL_checkstring(L, 3); + +  cdTextBox(x, y, s, &xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + +/*****************************************************************************\ +* cd.wTextBox(x, y: number, text: string) -> (xmin, xmax, ymin, ymax: number) * +\*****************************************************************************/ +static int wdlua5_textbox(lua_State *L) +{ +  double xmin, xmax, ymin, ymax; +  double x = luaL_checknumber(L, 1); +  double y = luaL_checknumber(L, 2); +  const char* s = luaL_checkstring(L, 3); + +  wdTextBox(x, y, s, &xmin, &xmax, &ymin, &ymax); +  lua_pushnumber(L, xmin); +  lua_pushnumber(L, xmax); +  lua_pushnumber(L, ymin); +  lua_pushnumber(L, ymax); +  return 4; +} + +/***************************************************************************************************************\ +* cd.TextBounds(x, y: number, text: string) -> (rect0, rect1, rect2, rect3, rect4, rect5, rect6, rect7: number) * +\***************************************************************************************************************/ +static int cdlua5_textbounds(lua_State *L) +{ +  int rect[8]; +  int x = luaL_checkint(L, 1); +  int y = luaL_checkint(L, 2); +  const char* s = luaL_checkstring(L, 3); + +  cdTextBounds(x, y, s, rect); +  lua_pushnumber(L, rect[0]); +  lua_pushnumber(L, rect[1]); +  lua_pushnumber(L, rect[2]); +  lua_pushnumber(L, rect[3]); +  lua_pushnumber(L, rect[4]); +  lua_pushnumber(L, rect[5]); +  lua_pushnumber(L, rect[6]); +  lua_pushnumber(L, rect[7]); +  return 4; +} + +/****************************************************************************************************************\ +* cd.wTextBounds(x, y: number, text: string) -> (rect0, rect1, rect2, rect3, rect4, rect5, rect6, rect7: number) * +\****************************************************************************************************************/ +static int wdlua5_textbounds(lua_State *L) +{ +  double rect[8]; +  double x = luaL_checknumber(L, 1); +  double y = luaL_checknumber(L, 2); +  const char* s = luaL_checkstring(L, 3); + +  wdTextBounds(x, y, s, rect); +  lua_pushnumber(L, rect[0]); +  lua_pushnumber(L, rect[1]); +  lua_pushnumber(L, rect[2]); +  lua_pushnumber(L, rect[3]); +  lua_pushnumber(L, rect[4]); +  lua_pushnumber(L, rect[5]); +  lua_pushnumber(L, rect[6]); +  lua_pushnumber(L, rect[7]); +  return 4; +} + + + +/***************************************************************************\ +* Text                                                                      * +\***************************************************************************/ + +/***************************************************************************\ +* cd.VectorText(x, y: number, text: string)                                 * +\***************************************************************************/ +static int cdlua5_vectortext(lua_State *L) +{ +  const char* s = luaL_checkstring(L,3); +  cdVectorText(luaL_checkint(L, 1), luaL_checkint(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.wVectorText(x, y: number, text: string)                                * +\***************************************************************************/ +static int wdlua5_vectortext(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  wdVectorText(luaL_checknumber(L, 1), luaL_checknumber(L, 2),s); +  return 0; +} + +/***************************************************************************\ +* cd.MultiLineVectorText(x, y: number, text: string)                        * +\***************************************************************************/ +static int cdlua5_multilinevectortext(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  cdMultiLineVectorText(luaL_checkint(L, 1), luaL_checkint(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.wMultiLineVectorText(x, y: number, text: string)                       * +\***************************************************************************/ +static int wdlua5_multilinevectortext(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  wdMultiLineVectorText(luaL_checknumber(L, 1), luaL_checknumber(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.VectorTextDirection(x1, y1, x2, y2: number)                            * +\***************************************************************************/ +static int cdlua5_vectortextdirection(lua_State *L) +{ +  int x1 = luaL_checkint(L,1); +  int y1 = luaL_checkint(L,2); +  int x2 = luaL_checkint(L,3); +  int y2 = luaL_checkint(L,4); +  cdVectorTextDirection(x1, y1, x2, y2); +  return 0; +} + +/***************************************************************************\ +* cd.wVectorTextDirection(x1, y1, x2, y2: number)                           * +\***************************************************************************/ +static int wdlua5_vectortextdirection(lua_State *L) +{ +  double x1 = luaL_checknumber(L, 1); +  double y1 = luaL_checknumber(L, 2); +  double x2 = luaL_checknumber(L, 3); +  double y2 = luaL_checknumber(L, 4); +  wdVectorTextDirection(x1, y1, x2, y2); +  return 0; +} + + +/***************************************************************************\ +* cd.VectorTextTransform(matrix: table) -> (old_matrix: table)              * +\***************************************************************************/ +static int cdlua5_vectortexttransform(lua_State *L) +{ +  double matrix[6], *old_matrix; +  int i; + +  if (!lua_istable(L, 1)) +    luaL_argerror(L, 1, "invalid matrix, must be a table"); + +  for (i=0; i < 6; i++) +  { +    lua_rawgeti(L, 1, i+1); + +    if (!lua_isnumber(L, -1)) +      luaL_argerror(L, 1, "invalid matrix value, must be a number"); + +    matrix[i] = lua_tonumber(L, -1); +    lua_pop(L, 1); +  } + +  old_matrix = cdVectorTextTransform(matrix); +  lua_newtable(L); +  for (i=0; i < 6; i++) +  { +    lua_pushnumber(L, old_matrix[i]); +    lua_rawseti(L, 1, i+1); +  } +  return 1; +} + +/***************************************************************************\ +* cd.VectorTextSize(w, h: number, text: string)                             * +\***************************************************************************/ +static int cdlua5_vectortextsize(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  cdVectorTextSize(luaL_checkint(L,1), luaL_checkint(L,2), s); +  return 0; +} + +/***************************************************************************\ +* cd.wVectorTextSize(w, h: number, text: string)                            * +\***************************************************************************/ +static int wdlua5_vectortextsize(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 3); +  wdVectorTextSize(luaL_checknumber(L, 1), luaL_checknumber(L, 2), s); +  return 0; +} + +/***************************************************************************\ +* cd.VectorTextSize(w, h: number, text: string)                             * +\***************************************************************************/ +static int cdlua5_vectorcharsize(lua_State *L) +{ +  lua_pushnumber(L, cdVectorCharSize(luaL_checkint(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.wVectorTextSize(w, h: number, text: string)                            * +\***************************************************************************/ +static int wdlua5_vectorcharsize(lua_State *L) +{ +  lua_pushnumber(L, wdVectorCharSize(luaL_checknumber(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.VectorFont(filename: string) -> (font_name: string)                    * +\***************************************************************************/ +static int cdlua5_vectorfont(lua_State *L) +{ +  lua_pushstring(L, cdVectorFont(luaL_checkstring(L, 1))); +  return 1; +} + +/***************************************************************************\ +* cd.GetVectorTextSize(text: string) -> (w, h: number)                      * +\***************************************************************************/ +static int cdlua5_getvectortextsize(lua_State *L) +{ +  int width; +  int height; + +  const char* text_s = luaL_checkstring(L, 1); + +  cdGetVectorTextSize(text_s, &width, &height); +  lua_pushnumber(L, width); +  lua_pushnumber(L, height);    +  return 2; +} + +/***************************************************************************\ +* cd.wGetVectorTextSize(text: string) -> (w, h: number)                     * +\***************************************************************************/ +static int wdlua5_getvectortextsize(lua_State *L) +{ +  double width; +  double height; + +  const char* text_s = luaL_checkstring(L, 1); + +  wdGetVectorTextSize(text_s, &width, &height); +  lua_pushnumber(L, width); +  lua_pushnumber(L, height); +  return 2; +} + +/***************************************************************************\ +* cd.GetVectorTextBounds(s: string, px,py: number) -> (rect: table)         * +\***************************************************************************/ +static int cdlua5_vectortextbounds(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  int rect[8], i; + +  cdGetVectorTextBounds(s, x, y, rect); +  lua_newtable(L); +  for (i=0; i < 8; i++) +  { +    lua_pushnumber(L, rect[i]); +    lua_rawseti(L, -2, i+1); +  } +  return 1; +} + +/***************************************************************************\ +* cd.wGetVectorTextBounds(s: string, px,py: number) -> (rect: table)        * +\***************************************************************************/ +static int wdlua5_vectortextbounds(lua_State *L) +{ +  const char* s = luaL_checkstring(L, 1); +  double x = luaL_checknumber(L, 2); +  double y = luaL_checknumber(L, 3); +  double rect[8]; +  int i; +   +  wdGetVectorTextBounds(s, x, y, rect); +  lua_newtable(L); +  for (i=0; i < 8; i++) +  { +    lua_pushnumber(L, rect[i]); +    lua_rawseti(L, -2, i+1); +  } +  return 1; +} + + + +/***************************************************************************\ +* Client Images.                                                            * +\***************************************************************************/ + +static int cdlua5_getimagergb(lua_State *L) +{ +  cdluaImageRGB* imagergb_p = cdlua_checkimagergb(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); + +  cdGetImageRGB(imagergb_p->red, imagergb_p->green, imagergb_p->blue, +                x, y, imagergb_p->width, imagergb_p->height); +  return 0; +} + +static int cdlua5_putimagerectrgb(lua_State *L) +{ +  cdluaImageRGB* imagergb_p = cdlua_checkimagergb(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  int w = luaL_checkint(L, 4); +  int h = luaL_checkint(L, 5); +  int xmin = luaL_checkint(L, 6); +  int xmax = luaL_checkint(L, 7); +  int ymin = luaL_checkint(L, 8); +  int ymax = luaL_checkint(L, 9); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); +   +  cdPutImageRectRGB(imagergb_p->width, imagergb_p->height, imagergb_p->red,  +                    imagergb_p->green, imagergb_p->blue, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int wdlua5_putimagerectrgb(lua_State *L) +{ +  cdluaImageRGB* imagergb_p = cdlua_checkimagergb(L, 1); +  double x = luaL_checknumber(L, 2); +  double y = luaL_checknumber(L, 3); +  double w = luaL_checknumber(L, 4); +  double h = luaL_checknumber(L, 5); +  int xmin = luaL_checkint(L, 6); +  int xmax = luaL_checkint(L, 7); +  int ymin = luaL_checkint(L, 8); +  int ymax = luaL_checkint(L, 9); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); +   +  wdPutImageRectRGB(imagergb_p->width, imagergb_p->height, imagergb_p->red,  +                    imagergb_p->green, imagergb_p->blue, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int cdlua5_putimagerectrgba(lua_State *L) +{ +  cdluaImageRGBA* imagergba_p = cdlua_checkimagergba(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  int w = luaL_checkint(L, 4); +  int h = luaL_checkint(L, 5); +  int xmin = luaL_checkint(L, 6); +  int xmax = luaL_checkint(L, 7); +  int ymin = luaL_checkint(L, 8); +  int ymax = luaL_checkint(L, 9); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); + +  cdPutImageRectRGBA(imagergba_p->width, imagergba_p->height, imagergba_p->red,  +                     imagergba_p->green, imagergba_p->blue, imagergba_p->alpha, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int wdlua5_putimagerectrgba(lua_State *L) +{ +  cdluaImageRGBA* imagergba_p = cdlua_checkimagergba(L, 1); +  double x = luaL_checknumber(L, 2); +  double y = luaL_checknumber(L, 3); +  double w = luaL_checknumber(L, 4); +  double h = luaL_checknumber(L, 5); +  int xmin = luaL_checkint(L, 6); +  int xmax = luaL_checkint(L, 7); +  int ymin = luaL_checkint(L, 8); +  int ymax = luaL_checkint(L, 9); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); + +  wdPutImageRectRGBA(imagergba_p->width, imagergba_p->height, imagergba_p->red,  +                     imagergba_p->green, imagergba_p->blue, imagergba_p->alpha, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int cdlua5_putimagerectmap(lua_State *L) +{ +  cdluaImageMap* imagemap_p = cdlua_checkimagemap(L, 1); +  cdluaPalette *pal = cdlua_checkpalette(L, 2); +  int x = luaL_checkint(L, 3); +  int y = luaL_checkint(L, 4); +  int w = luaL_checkint(L, 5); +  int h = luaL_checkint(L, 6); +  int xmin = luaL_checkint(L, 7); +  int xmax = luaL_checkint(L, 8); +  int ymin = luaL_checkint(L, 9); +  int ymax = luaL_checkint(L, 10); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 5, "target region dimensions should be positive integers"); +   +  cdPutImageRectMap(imagemap_p->width, imagemap_p->height, imagemap_p->index,  +                    pal->color, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int wdlua5_putimagerectmap(lua_State *L) +{ +  cdluaImageMap* imagemap_p = cdlua_checkimagemap(L, 1); +  cdluaPalette *pal = cdlua_checkpalette(L, 2); +  double x = luaL_checknumber(L, 3); +  double y = luaL_checknumber(L, 4); +  double w = luaL_checknumber(L, 5); +  double h = luaL_checknumber(L, 6); +  int xmin = luaL_checkint(L, 7); +  int xmax = luaL_checkint(L, 8); +  int ymin = luaL_checkint(L, 9); +  int ymax = luaL_checkint(L, 10); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 5, "target region dimensions should be positive integers"); +   +  wdPutImageRectMap(imagemap_p->width, imagemap_p->height, imagemap_p->index,  +                    pal->color, x, y, w, h, xmin, xmax, ymin, ymax); +  return 0; +} + +static int cdlua5_putbitmap(lua_State *L) +{ +  cdBitmap *bitmap = cdlua_checkbitmap(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  int w = luaL_checkint(L, 4); +  int h = luaL_checkint(L, 5); +   +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); + +  cdPutBitmap(bitmap, x, y, w, h); +  return 0; +} + +static int wdlua5_putbitmap(lua_State *L) +{ +  cdBitmap *bitmap = cdlua_checkbitmap(L, 1); +  double x = luaL_checknumber(L, 2); +  double y = luaL_checknumber(L, 3); +  double w = luaL_checknumber(L, 4); +  double h = luaL_checknumber(L, 5); + +  if (w < 0 || h < 0) +    luaL_argerror(L, 4, "target region dimensions should be positive integers"); + +  wdPutBitmap(bitmap, x, y, w, h); +  return 0; +} + +static int cdlua5_getbitmap(lua_State *L) +{ +  cdBitmap *bitmap = cdlua_checkbitmap(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  cdGetBitmap(bitmap, x, y); +  return 0; +} + +/***************************************************************************\ +* Server Images.                                                            * +\***************************************************************************/ + +static int cdlua5_createimage(lua_State *L) +{ +  cdImage *image; +  int width = luaL_checkint(L, 1); +  int height = luaL_checkint(L, 2); + +  if (width < 1 || height < 1) +    luaL_argerror(L, 1, "image dimensions should be positive integers"); + +  image = cdCreateImage(width, height); +  if (image)  +    cdlua_pushimage(L, image); +  else +    lua_pushnil(L); + +  return 1; +} + +static int cdlua5_getimage(lua_State *L) +{ +  cdImage* image = cdlua_checkimage(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  cdGetImage(image, x, y); +  return 0; +} + +static int cdlua5_putimagerect(lua_State *L) +{ +  cdImage* image = cdlua_checkimage(L, 1); +  int x = luaL_checkint(L, 2); +  int y = luaL_checkint(L, 3); +  int xmin = luaL_checkint(L, 4); +  int xmax = luaL_checkint(L, 5); +  int ymin = luaL_checkint(L, 6); +  int ymax = luaL_checkint(L, 7); +  cdPutImageRect(image, x, y, xmin, xmax, ymin, ymax); +  return 0; +} + +static int wdlua5_putimagerect(lua_State *L) +{ +  cdImage* image = cdlua_checkimage(L, 1); +  double x = luaL_checknumber(L, 2); +  double y = luaL_checknumber(L, 3); +  int xmin = luaL_checkint(L, 4); +  int xmax = luaL_checkint(L, 5); +  int ymin = luaL_checkint(L, 6); +  int ymax = luaL_checkint(L, 7); +  wdPutImageRect(image, x, y, xmin, xmax, ymin, ymax); +  return 0; +} + +/***************************************************************************\ +* cd.ScrollArea(xmin, xmax, ymin, ymax, dx, dy: number)                     * +\***************************************************************************/ +static int cdlua5_scrollarea(lua_State *L) +{ +  int xmin = luaL_checkint(L, 1); +  int xmax = luaL_checkint(L, 2); +  int ymin = luaL_checkint(L, 3); +  int ymax = luaL_checkint(L, 4); +  int dx = luaL_checkint(L, 5); +  int dy = luaL_checkint(L, 6); +  cdScrollArea(xmin, xmax, ymin, ymax, dx, dy); +  return 0; +} + + + +/***************************************************************************\ +* Other                                                                     * +\***************************************************************************/ + +/********************************************************************************\ +* cd.Play(ctx, xmin, xmax, ymin, ymax: number, data: string) -> (status: number) * +\********************************************************************************/ + +static int cdlua5_play(lua_State *L) +{ +  cdluaContext* cdlua_ctx = cdlua_getcontext(L, 1); +  int xmin = luaL_checkint(L,2); +  int xmax = luaL_checkint(L,3); +  int ymin = luaL_checkint(L,4); +  int ymax = luaL_checkint(L,5); +  const char *data_s = luaL_checkstring(L,6); + +  cdlua_setplaystate(L); +  cdPlay(cdlua_ctx->ctx(), xmin, xmax, ymin, ymax, (void*)data_s); +  cdlua_setplaystate(NULL); +  return 0; +} + +/***************************************************************************\ +* cd.GetColorPlanes() -> (bpp: number)                                      * +\***************************************************************************/ +static int cdlua5_getcolorplanes(lua_State *L) +{ +  lua_pushnumber(L, cdGetColorPlanes()); +  return 1; +} + +static int cdlua5_palette(lua_State *L) +{ +  cdluaPalette *pal = cdlua_checkpalette(L, 1); +  int mode_i = luaL_checkint(L, 2); +  cdPalette(pal->count, pal->color, mode_i); +  return 0; +} + +/***************************************************************************\ +* cd.ImageRGB                                                               * +\***************************************************************************/ +static int cdlua5_imagergb(lua_State *L) +{ +  cdCanvas *current_canvas; +  int w, h, type = CD_RGB; + +  cdCanvas* canvas = cdlua_checkcanvas(L, 1); + +  if (cdCanvasGetContext(canvas) != CD_IMAGERGB) +    luaL_argerror(L, 1, "invalid canvas, must be CD_IMAGERGB"); + +  if (cdAlphaImage(canvas)) +    type = CD_RGBA; + +  current_canvas = cdActiveCanvas(); +  cdActivate(canvas); +  cdGetCanvasSize(&w, &h, NULL, NULL); +  cdActivate(current_canvas); + +  /* mark the image NOT to be freed */ +  if (type == CD_RGBA) +    cdlua_pushimagergba_ex(L, cdRedImage(canvas), cdGreenImage(canvas), cdBlueImage(canvas), cdAlphaImage(canvas), w, h); +  else +    cdlua_pushimagergb_ex(L, cdRedImage(canvas), cdGreenImage(canvas), cdBlueImage(canvas), w, h); + +  return 1; +} + +/***************************************************************************\ +* cd.ImageRGBBitmap                                                        * +\***************************************************************************/ +static int cdlua5_imagergbbitmap(lua_State *L) +{ +  cdCanvas *current_canvas; +  int w, h, type = CD_RGB; + +  cdCanvas* canvas = cdlua_checkcanvas(L, 1); + +  if (cdCanvasGetContext(canvas) != CD_IMAGERGB) +    luaL_argerror(L, 1, "invalid canvas, must be CD_IMAGERGB"); + +  if (cdAlphaImage(canvas)) +    type = CD_RGBA; + +  current_canvas = cdActiveCanvas(); +  cdActivate(canvas); +  cdGetCanvasSize(&w, &h, NULL, NULL); +  cdActivate(current_canvas); + +  cdlua_pushbitmap(L, cdInitBitmap(w, h, type,  +                                   cdRedImage(canvas), +                                   cdGreenImage(canvas), +                                   cdBlueImage(canvas), +                                   cdAlphaImage(canvas))); + +  return 1; +} + +/***************************************************************************\ +* Hardcopy                                                                  * +\***************************************************************************/ +static lua_State* wdlua5_hardcopy_luaState = NULL; + +static void wdlua5_hardcopy_func(void)  +{ +  lua_State* L = wdlua5_hardcopy_luaState; +  lua_pushvalue(L, 4); /* push the function in the stack */ +  if(lua_pcall(L, 0, 0, 0) != 0) +    luaL_error(L, "error running function: %s", lua_tostring(L, -1)); +} + +static int wdlua5_hardcopy(lua_State *L)  +{ +  cdluaContext* cdlua_ctx = cdlua_getcontext(L, 1); +  void *data_p = cdlua_ctx->checkdata(L, 2); +  cdCanvas* canvas = cdlua_checkcanvas(L, 3); +  luaL_argcheck(L, !lua_isfunction(L, 4), 4, "invalid draw function"); + +  wdlua5_hardcopy_luaState = L; +  wdHardcopy(cdlua_ctx->ctx(), data_p, canvas, wdlua5_hardcopy_func); + +  return 0; +} + + +/***************************************************************************\ +* Polygon functions                                                         * +\***************************************************************************/ + +/***************************************************************************\ +* cd.Begin(mode: number)                                                    * +\***************************************************************************/ +static int cdlua5_begin(lua_State *L) +{  +  cdBegin(luaL_checkint(L, 1)); +  return 0; +} + +/***************************************************************************\ +* cd.Vertex(x, y: number)                                                   * +\***************************************************************************/ +static int cdlua5_vertex(lua_State *L) +{ +  cdVertex(luaL_checkint(L, 1), luaL_checkint(L, 2)); +  return 0; +} + +/***************************************************************************\ +* cd.wVertex(x, y: number)                                                  * +\***************************************************************************/ +static int wdlua5_vertex(lua_State *L) +{ +  wdVertex(luaL_checknumber(L, 1), luaL_checknumber(L, 2)); +  return 0; +} + +/***************************************************************************\ +* cd.End()                                                                  * +\***************************************************************************/ +static int cdlua5_end(lua_State *L) +{ +  (void)L; +  cdEnd(); +  return 0; +} + + +/********************************************************************************\ +* CDLua Exported functions                                                       * +\********************************************************************************/ +static const struct luaL_reg cdlib_active[] = { + +  /* Initialization */ +  {"Activate"      , cdlua5_activate}, +  {"ActiveCanvas"  , cdlua5_activecanvas}, +  {"Simulate"      , cdlua5_simulate}, + +  /* Control */ +  {"Clear"         , cdlua5_clear}, +  {"Flush"         , cdlua5_flush}, +  {"SaveState"     , cdlua5_savestate}, +  {"RestoreState"  , cdlua5_restorestate}, +  {"SetAttribute"  , cdlua5_setattribute}, +  {"GetAttribute"  , cdlua5_getattribute}, + +  /* Coordinate System */ +  {"GetCanvasSize" , cdlua5_getcanvassize}, +  {"UpdateYAxis"   , cdlua5_updateyaxis}, +  {"MM2Pixel"      , cdlua5_mm2pixel}, +  {"Pixel2MM"      , cdlua5_pixel2mm}, +  {"Origin"        , cdlua5_origin}, + +  /* World Coordinates */ +  {"wWindow"        , wdlua5_window}, +  {"wGetWindow"     , wdlua5_getwindow}, +  {"wViewport"      , wdlua5_viewport}, +  {"wGetViewport"   , wdlua5_getviewport},   +  {"wWorld2Canvas"  , wdlua5_world2canvas}, +  {"wCanvas2World"  , wdlua5_canvas2world}, + +  {"wHardcopy"      , wdlua5_hardcopy}, + +  /* General Attributes */ +  {"Foreground"  , cdlua5_foreground}, +  {"Background"  , cdlua5_background},   +  {"WriteMode"   , cdlua5_writemode}, + +  /* Clipping */ +  {"Clip"          , cdlua5_clip}, +  {"ClipArea"      , cdlua5_cliparea}, +  {"wClipArea"     , wdlua5_cliparea}, +  {"GetClipArea"   , cdlua5_getcliparea}, +  {"wGetClipArea"  , wdlua5_getcliparea},   +  {"GetClipPoly"   , cdlua5_getclippoly}, +  {"wGetClipPoly"  , wdlua5_getclippoly}, + +  /* Regions */ +  {"RegionCombineMode" , cdlua5_regioncombinemode}, +  {"PointInRegion"     , cdlua5_pointinregion}, +  {"wPointInRegion"    , wdlua5_pointinregion}, +  {"OffsetRegion"      , cdlua5_offsetregion}, +  {"wOffsetRegion"     , wdlua5_offsetregion}, +  {"RegionBox"         , cdlua5_regionbox}, +  {"wRegionBox"        , wdlua5_regionbox}, + +  /* Marks */ +  {"Pixel"     , cdlua5_pixel}, +  {"wPixel"    , wdlua5_pixel}, +  {"Mark"      , cdlua5_mark}, +  {"wMark"     , wdlua5_mark}, +  {"MarkType"  , cdlua5_marktype}, +  {"MarkSize"  , cdlua5_marksize}, +  {"wMarkSize" , wdlua5_marksize}, + +  /* Line */ +  {"Line"            , cdlua5_line}, +  {"wLine"           , wdlua5_line}, +  {"Rect"            , cdlua5_rect}, +  {"wRect"           , wdlua5_rect}, +  {"Arc"             , cdlua5_arc}, +  {"wArc"            , wdlua5_arc}, +  {"LineStyle"       , cdlua5_linestyle}, +  {"LineStyleDashes" , cdlua5_linestyledashes}, +  {"LineWidth"       , cdlua5_linewidth}, +  {"wLineWidth"      , wdlua5_linewidth}, +  {"LineJoin"        , cdlua5_linejoin}, +  {"LineCap"         , cdlua5_linecap}, + +  /* Filled Areas */ +  {"Box"           , cdlua5_box}, +  {"wBox"          , wdlua5_box}, +  {"Sector"        , cdlua5_sector}, +  {"wSector"       , wdlua5_sector}, +  {"Chord"         , cdlua5_chord},   +  {"wChord"        , wdlua5_chord}, +  {"BackOpacity"   , cdlua5_backopacity}, +  {"FillMode"      , cdlua5_fillmode},   +  {"InteriorStyle" , cdlua5_interiorstyle}, +  {"Hatch"         , cdlua5_hatch}, + +  /* Stipple */ +  {"Stipple"      , cdlua5_stipple}, +  {"wStipple"     , wdlua5_stipple}, +  {"GetStipple"   , cdlua5_getstipple}, +   +  /* Pattern */ +  {"Pattern"      , cdlua5_pattern}, +  {"wPattern"     , wdlua5_pattern}, +  {"GetPattern"   , cdlua5_getpattern}, + +  /* Text */ +  {"Text"            , cdlua5_text}, +  {"wText"           , wdlua5_text}, +  {"Font"            , cdlua5_font}, +  {"wFont"           , wdlua5_font}, +  {"GetFont"         , cdlua5_getfont}, +  {"wGetFont"        , wdlua5_getfont}, +  {"NativeFont"      , cdlua5_nativefont}, +  {"TextAlignment"   , cdlua5_textalignment}, +  {"TextOrientation" , cdlua5_textorientation}, +  {"FontDim"         , cdlua5_fontdim}, +  {"wFontDim"        , wdlua5_fontdim}, +  {"TextSize"        , cdlua5_textsize}, +  {"wTextSize"       , wdlua5_textsize}, +  {"TextBox"         , cdlua5_textbox}, +  {"wTextBox"        , wdlua5_textbox}, +  {"TextBounds"      , cdlua5_textbounds}, +  {"wTextBounds"     , wdlua5_textbounds}, + +  /* Vector Text */ +  {"VectorText"           , cdlua5_vectortext}, +  {"wVectorText"          , wdlua5_vectortext}, +  {"MultiLineVectorText"  , cdlua5_multilinevectortext}, +  {"wMultiLineVectorText" , wdlua5_multilinevectortext}, +  {"VectorTextDirection"  , cdlua5_vectortextdirection}, +  {"wVectorTextDirection" , wdlua5_vectortextdirection}, +  {"VectorTextTransform"  , cdlua5_vectortexttransform}, +  {"VectorTextSize"       , cdlua5_vectortextsize}, +  {"wVectorTextSize"      , wdlua5_vectortextsize}, +  {"VectorCharSize"       , cdlua5_vectorcharsize}, +  {"wVectorCharSize"      , wdlua5_vectorcharsize}, +  {"VectorFont"           , cdlua5_vectorfont}, +  {"GetVectorTextSize"    , cdlua5_getvectortextsize}, +  {"wGetVectorTextSize"   , wdlua5_getvectortextsize}, +  {"VectorTextBounds"     , cdlua5_vectortextbounds}, +  {"wVectorTextBounds"    , wdlua5_vectortextbounds},   +   +  /* Client Images */ +  {"GetImageRGB"      , cdlua5_getimagergb}, +  {"PutImageRectRGB"  , cdlua5_putimagerectrgb}, +  {"wPutImageRectRGB" , wdlua5_putimagerectrgb}, +  {"PutImageRectRGBA" , cdlua5_putimagerectrgba}, +  {"wPutImageRectRGBA", wdlua5_putimagerectrgba}, +  {"PutImageRectMap"  , cdlua5_putimagerectmap}, +  {"wPutImageRectMap" , wdlua5_putimagerectmap}, +  {"GetBitmap"        , cdlua5_getbitmap}, +  {"PutBitmap"        , cdlua5_putbitmap}, +  {"wPutBitmap"       , wdlua5_putbitmap}, + +  {"ImageRGB"         , cdlua5_imagergb}, +  {"ImageRGBBitmap"   , cdlua5_imagergbbitmap}, +   +  /* Server Images */ +  {"CreateImage"      , cdlua5_createimage}, +  {"GetImage"         , cdlua5_getimage}, +  {"PutImageRect"     , cdlua5_putimagerect}, +  {"wPutImageRect"    , wdlua5_putimagerect}, +  {"ScrollArea"       , cdlua5_scrollarea}, + +  /* Other */ +  {"Play"             , cdlua5_play}, + +  /* Color Coding */ +  {"GetColorPlanes" , cdlua5_getcolorplanes}, + +  /* Palette */ +  {"Palette"      , cdlua5_palette}, + +  /* Polygon */ +  {"Begin"         , cdlua5_begin}, +  {"Vertex"        , cdlua5_vertex}, +  {"wVertex"       , wdlua5_vertex}, +  {"End"           , cdlua5_end}, + +  {NULL, NULL}, +}; + +typedef struct cdlua5_constant { +  const char *name; +  lua_Number value; +} cdlua5_constant; + +/* old backward compatible constants */ +static const struct cdlua5_constant cdlibconstant[] = { +  {"SYSTEM",      CD_SYSTEM},         +  {"COURIER",     CD_COURIER},        +  {"TIMES_ROMAN", CD_TIMES_ROMAN},    +  {"HELVETICA",   CD_HELVETICA},      +  {"NATIVE",      CD_NATIVE}, +  {"CLIPON",      CD_CLIPON},       +  {"CENTER_BASE", CD_CENTER_BASE}, +  {"LEFT_BASE",   CD_LEFT_BASE}, +  {"RIGHT_BASE",  CD_RIGHT_BASE},   +  {"ITALIC_BOLD", CD_ITALIC_BOLD},  + +  {NULL, -1} +}; + +static void initconst(lua_State *L) +{ +  const cdlua5_constant *l = cdlibconstant; +  for (; l->name; l++) { +    lua_pushstring(L, l->name); +    lua_pushnumber(L, l->value); +    lua_settable(L, -3); +  } +} + +void cdlua_open_active (lua_State *L, cdluaLuaState* cdL) +{                                   +  /* "cd" table is at the top of the stack */ +  luaL_register(L, NULL, cdlib_active); +  initconst(L); + +  cdL->void_canvas = cdCreateCanvas(CD_VOID, NULL); +  cdlua_setvoidstate(cdL->void_canvas, L); +  cdActivate(cdL->void_canvas); +} | 
