2012-11-24 02:16:40 +01:00
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/***************************************************************************
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cpoint_temp.h
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(c) 2000-2012 Benoît Minisini <gambas@users.sourceforge.net>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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***************************************************************************/
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2012-11-24 19:52:11 +01:00
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#define IMPLEMENT_POINT_CLASS(__struct, __name, __gtype, __ctype, __sign, __return, __this, __rstruct, __rname) \
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2012-11-24 02:16:40 +01:00
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\
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2012-11-24 19:52:11 +01:00
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__struct * __struct##_create(__ctype x, __ctype y) \
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2012-11-24 02:16:40 +01:00
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{ \
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2012-11-24 19:52:11 +01:00
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__struct *p = GB.New(GB.FindClass(#__name), NULL, NULL); \
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p->x = x; \
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p->y = y; \
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return p; \
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} \
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\
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static inline __struct *__struct##_make(__struct *a, const __ctype x, const __ctype y) \
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{ \
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if (a->ob.ref <= 1) \
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{ \
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a->x = x; \
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a->y = y; \
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return a; \
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} \
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else \
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return __struct##_create(x, y); \
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} \
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\
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static __struct *_add_##__name(__struct *a, __struct *b, bool invert) \
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{ \
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return __struct##_make(a, a->x + b->x, a->y + b->y); \
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} \
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\
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static __struct *_sub_##__name(__struct *a, __struct *b, bool invert) \
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{ \
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return __struct##_make(a, a->x - b->x, a->y - b->y); \
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} \
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\
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static __struct *_mulf_##__name(__struct *a, double f, bool invert) \
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{ \
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return __struct##_make(a, a->x * f, a->y * f); \
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} \
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\
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static __struct *_mulo_##__name(__struct *a, void *b, bool invert) \
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{ \
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return NULL; \
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} \
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\
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static __struct *_divf_##__name(__struct *a, double f, bool invert) \
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{ \
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if (invert) \
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return NULL; \
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if (f == 0.0) \
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return NULL; \
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\
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return __struct##_make(a, a->x / f, a->y / f); \
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} \
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\
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static __struct *_divo_##__name(__struct *a, void *b, bool invert) \
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{ \
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return NULL; \
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} \
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\
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static int _equal_##__name(__struct *a, __struct *b, bool invert) \
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{ \
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return a->x == b->x && a->y == b->y; \
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} \
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\
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static double _abs_##__name(__struct *a) \
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{ \
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return hypot(a->x, a->y); \
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} \
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\
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static __struct *_neg_##__name(__struct *a) \
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{ \
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return __struct##_make(a, -a->x, -a->y); \
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} \
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\
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static GB_OPERATOR_DESC _operator_##__name = \
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{ \
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.equal = (void *)_equal_##__name, \
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.add = (void *)_add_##__name, \
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.sub = (void *)_sub_##__name, \
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.mulf = (void *)_mulf_##__name, \
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.mulo = (void *)_mulo_##__name, \
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.divf = (void *)_divf_##__name, \
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.divo = (void *)_divo_##__name, \
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.abs = (void *)_abs_##__name, \
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.neg = (void *)_neg_##__name, \
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}; \
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\
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char *__struct##_to_string(void *a, bool local) \
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{ \
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char *result = NULL; \
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char *str; \
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int len; \
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\
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__ctype x = ((__struct *)a)->x; \
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__ctype y = ((__struct *)a)->y; \
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\
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result = GB.AddChar(result, '['); \
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\
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GB.NumberToString(local, x, NULL, &str, &len); \
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result = GB.AddString(result, str, len); \
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\
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result = GB.AddChar(result, local ? ' ' : ','); \
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\
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GB.NumberToString(local, y, NULL, &str, &len); \
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result = GB.AddString(result, str, len); \
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\
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result = GB.AddChar(result, ']'); \
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\
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return result; \
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} \
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\
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static bool _convert_##__name(void *a, GB_TYPE type, GB_VALUE *conv) \
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{ \
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if (a) \
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{ \
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double norm = _abs_##__name(a); \
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\
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switch (type) \
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{ \
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case GB_T_FLOAT: \
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conv->_float.value = norm; \
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return FALSE; \
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\
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case GB_T_SINGLE: \
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conv->_single.value = norm; \
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return FALSE; \
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\
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case GB_T_INTEGER: \
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case GB_T_SHORT: \
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case GB_T_BYTE: \
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conv->_integer.value = norm; \
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return FALSE; \
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\
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case GB_T_LONG: \
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conv->_long.value = norm; \
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return FALSE; \
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\
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case GB_T_STRING: \
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case GB_T_CSTRING: \
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conv->_string.value.addr = __struct##_to_string(a, type == GB_T_CSTRING); \
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conv->_string.value.start = 0; \
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conv->_string.value.len = GB.StringLength(conv->_string.value.addr); \
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return FALSE; \
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\
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default: \
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if (type == GB.FindClass("Point")) \
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{ \
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conv->_object.value = CPOINT_create(((__struct *)a)->x, ((__struct *)a)->y); \
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return FALSE; \
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} \
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if (type == GB.FindClass("PointF")) \
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{ \
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conv->_object.value = CPOINTF_create(((__struct *)a)->x, ((__struct *)a)->y); \
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return FALSE; \
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} \
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else \
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return TRUE; \
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} \
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} \
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else \
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return TRUE; \
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2012-11-24 02:16:40 +01:00
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} \
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\
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\
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BEGIN_METHOD(__name##_new, __gtype x; __gtype y; __gtype w; __gtype h) \
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\
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if (!MISSING(x) && !MISSING(y)) \
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{ \
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__this->x = VARG(x); \
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__this->y = VARG(y); \
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} \
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\
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END_METHOD \
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\
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BEGIN_METHOD(__name##_call, __gtype x; __gtype y) \
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\
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GB.ReturnObject(__struct##_create(VARGOPT(x, 0), VARGOPT(y, 0))); \
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\
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END_METHOD \
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\
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BEGIN_PROPERTY(__name##_X) \
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\
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if (READ_PROPERTY) \
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__return(__this->x); \
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else \
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__this->x = VPROP(__gtype); \
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\
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END_PROPERTY \
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\
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BEGIN_PROPERTY(__name##_Y) \
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\
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if (READ_PROPERTY) \
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__return(__this->y); \
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else \
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__this->y = VPROP(__gtype); \
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\
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END_PROPERTY \
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\
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BEGIN_METHOD_VOID(__name##_Copy) \
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\
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GB.ReturnObject(__struct##_create(__this->x, __this->y)); \
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\
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END_METHOD \
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\
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2012-11-24 23:39:13 +01:00
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BEGIN_METHOD(__name##_InRect, GB_OBJECT rect) \
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\
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__rstruct *rect = VARG(rect); \
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\
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if (GB.CheckObject(rect)) \
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return; \
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\
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2012-11-24 23:39:13 +01:00
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GB.ReturnBoolean( \
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(__this->x >= rect->x) && (__this->x < (rect->x + rect->w)) \
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&& (__this->y >= rect->y) && (__this->y < (rect->y + rect->h)) \
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); \
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2012-11-24 02:16:40 +01:00
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\
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END_METHOD \
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\
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GB_DESC __name##Desc[] = \
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{ \
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GB_DECLARE(#__name, sizeof(__struct)), \
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\
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GB_METHOD("_new", NULL, __name##_new, "[(X)" __sign "(Y)" __sign), \
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2012-11-28 04:32:55 +01:00
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GB_STATIC_METHOD("_call", #__name, __name##_call, "[(X)" __sign "(Y)" __sign), \
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\
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GB_PROPERTY("X", __sign, __name##_X), \
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GB_PROPERTY("Y", __sign, __name##_Y), \
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\
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GB_METHOD("Copy", #__name, __name##_Copy, NULL), \
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GB_METHOD("InRect", "b", __name##_InRect, "(Rectangle)" #__rname ";"), \
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\
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GB_INTERFACE("_operator", &_operator_##__name), \
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GB_INTERFACE("_convert", &_convert_##__name), \
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2012-11-24 02:16:40 +01:00
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\
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GB_END_DECLARE \
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};
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