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specs.h
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Thu, Dec 12, 02:41

specs.h
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#ifndef __SPECS_H__
#define __SPECS_H__
/* 8-bit type definition for shape flags */
typedef unsigned char specs_t;
#define S_EVOLVE 0x1 // first bit 00000001
#define S_RENDER 0x2 // second bit 00000010
#define S_FILL_MODE 0x4 // third bit 00000100
#define S_POSITION 0x8 // fourth bit 00001000
#define S_ORIENTATION 0x10 // fifth bit 00010000
#define S_SCALING 0x20 // sixth bit 00100000
#define S_COLOR 0x40 // seventh bit 01000000
#define S_DESCRIPTOR 0x80 // eighth bit 10000000
/*
* define the variable to be added on the private or
* protected side of a class declaration
*/
#define SPECS_VAR specs_flags
/*
* Define abstractly the methods to be generated into
* the public side a class declaration
*/
#define SPECS_METHODS(specs_Name, specs_bit) \
\
virtual bool is##specs_Name() const override \
{ \
return (SPECS_VAR & specs_bit) != 0; \
} \
\
void toggle##specs_Name() \
{ \
SPECS_VAR ^= specs_bit; \
} \
\
void set##specs_Name(bool value) \
{ \
if (value) \
SPECS_VAR |= specs_bit; \
else \
SPECS_VAR &= ~specs_bit; \
}
/*
* Define all generation methods
*/
// expand this macro into a class inheriting Evolvable
#define SPECS_EVOLVE SPECS_METHODS(Evolving, S_EVOLVE)
// expand this macro into a class inheriting Renderable
#define SPECS_RENDER SPECS_METHODS(Rendering, S_RENDER)
// expand this macro into a class inheriting Renderable
#define SPECS_FILL_MODE SPECS_METHODS(FillMode, S_FILL_MODE)
// expand this macro into a class inheriting Positionable
#define SPECS_POSITION SPECS_METHODS(Positioning, S_POSITION)
// expand this macro into a class inheriting Orientable
#define SPECS_ORIENTATION SPECS_METHODS(Orientating, S_ORIENTATION)
// expand this macro into a class inheriting Scalable
#define SPECS_SCALING SPECS_METHODS(Scaling, S_SCALING)
// expand this macro into a class inheriting Colorable
#define SPECS_COLOR SPECS_METHODS(Coloring, S_COLOR)
// expand this macro into a class inheriting Descriptable
#define SPECS_DESCRIPTOR SPECS_METHODS(RunningDescriptor, S_DESCRIPTOR)
/*
* Field to be added inside the class in order to make
* work all specs generated methods
*/
#define SPECS_FIELD specs_t SPECS_VAR;
/*
* Accessors to set the specs flags in one time
*/
#define SPECS_ACCESS \
\
void setSpecs(specs_t value) \
{ \
SPECS_VAR = value; \
} \
\
specs_t getSpecs() const \
{ \
return SPECS_VAR; \
} \
\
void toggleSpecs(specs_t value) \
{ \
SPECS_VAR ^= value; \
} \
\
void setSpecsState(specs_t value, bool state) \
{ \
if (state) \
SPECS_VAR |= value; \
else \
SPECS_VAR &= ~value; \
}
#endif // __SPECS_H__

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