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Added helper functions to access the color components in SFML::Color

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git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1676 4e206d99-4929-0410-ac5d-dfc041789085
This commit is contained in:
groogy 2010-11-19 09:28:16 +00:00
parent 961a417fb6
commit 85d24cbf88
2 changed files with 87 additions and 33 deletions
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108
bindings/ruby/sfml-graphics/graphics/Color.cpp
View File

@ -56,21 +56,63 @@ VALUE Color_ForceType( VALUE someValue )
} }
} }
VALUE Color_GetR( VALUE self )
{
static ID id = rb_intern( "r" );
return rb_funcall( self, id, 0 );
}
VALUE Color_GetG( VALUE self )
{
static ID id = rb_intern( "g" );
return rb_funcall( self, id, 0 );
}
VALUE Color_GetB( VALUE self )
{
static ID id = rb_intern( "b" );
return rb_funcall( self, id, 0 );
}
VALUE Color_GetA( VALUE self )
{
static ID id = rb_intern( "a" );
return rb_funcall( self, id, 0 );
}
VALUE Color_SetR( VALUE self, VALUE aVal )
{
static ID id = rb_intern( "r=" );
return rb_funcall( self, id, 1, aVal );
}
VALUE Color_SetG( VALUE self, VALUE aVal )
{
static ID id = rb_intern( "g=" );
return rb_funcall( self, id, 1, aVal );
}
VALUE Color_SetB( VALUE self, VALUE aVal )
{
static ID id = rb_intern( "b=" );
return rb_funcall( self, id, 1, aVal );
}
VALUE Color_SetA( VALUE self, VALUE aVal )
{
static ID id = rb_intern( "a=" );
return rb_funcall( self, id, 1, aVal );
}
/* Internal function /* Internal function
* Will copy the x and y from aSource to self. * Will copy the x and y from aSource to self.
*/ */
static void Color_internal_CopyFrom( VALUE self, VALUE aSource ) static void Color_internal_CopyFrom( VALUE self, VALUE aSource )
{ {
VALUE sourceVector = Color_ForceType( aSource ); VALUE source = Color_ForceType( aSource );
VALUE r = rb_funcall( sourceVector, rb_intern( "r" ), 0 ); VALUE r = Color_GetR( source );
VALUE g = rb_funcall( sourceVector, rb_intern( "g" ), 0 ); VALUE g = Color_GetG( source );
VALUE b = rb_funcall( sourceVector, rb_intern( "b" ), 0 ); VALUE b = Color_GetB( source );
VALUE a = rb_funcall( sourceVector, rb_intern( "a" ), 0 ); VALUE a = Color_GetA( source );
rb_funcall( self, rb_intern( "r=" ), 1, r ); Color_SetR( self, r );
rb_funcall( self, rb_intern( "g=" ), 1, g ); Color_SetG( self, g );
rb_funcall( self, rb_intern( "b=" ), 1, b ); Color_SetB( self, b );
rb_funcall( self, rb_intern( "a=" ), 1, a ); Color_SetA( self, a );
} }
/* */ /* */
@ -78,14 +120,14 @@ static VALUE Color_Add( VALUE self, VALUE aRightOperand )
{ {
VALUE right = Color_ForceType( aRightOperand ); VALUE right = Color_ForceType( aRightOperand );
// Get values // Get values
unsigned int leftR = FIX2INT( rb_funcall( self, rb_intern( "r" ), 0 ) ); unsigned int leftR = FIX2INT( Color_GetR( self ) );
unsigned int leftG = FIX2INT( rb_funcall( self, rb_intern( "g" ), 0 ) ); unsigned int leftG = FIX2INT( Color_GetG( self ) );
unsigned int leftB = FIX2INT( rb_funcall( self, rb_intern( "b" ), 0 ) ); unsigned int leftB = FIX2INT( Color_GetB( self ) );
unsigned int leftA = FIX2INT( rb_funcall( self, rb_intern( "a" ), 0 ) ); unsigned int leftA = FIX2INT( Color_GetA( self ) );
unsigned int rightR = FIX2INT( rb_funcall( right, rb_intern( "r" ), 0 ) ); unsigned int rightR = FIX2INT( Color_GetR( right ) );
unsigned int rightG = FIX2INT( rb_funcall( right, rb_intern( "g" ), 0 ) ); unsigned int rightG = FIX2INT( Color_GetG( right ) );
unsigned int rightB = FIX2INT( rb_funcall( right, rb_intern( "b" ), 0 ) ); unsigned int rightB = FIX2INT( Color_GetB( right ) );
unsigned int rightA = FIX2INT( rb_funcall( right, rb_intern( "a" ), 0 ) ); unsigned int rightA = FIX2INT( Color_GetA( right ) );
// Do calculation // Do calculation
unsigned int newR = MIN( leftR + rightR, 255 ); unsigned int newR = MIN( leftR + rightR, 255 );
@ -101,14 +143,14 @@ static VALUE Color_Multiply( VALUE self, VALUE aRightOperand )
{ {
VALUE right = Color_ForceType( aRightOperand ); VALUE right = Color_ForceType( aRightOperand );
// Get values // Get values
unsigned int leftR = FIX2INT( rb_funcall( self, rb_intern( "r" ), 0 ) ); unsigned int leftR = FIX2INT( Color_GetR( self ) );
unsigned int leftG = FIX2INT( rb_funcall( self, rb_intern( "g" ), 0 ) ); unsigned int leftG = FIX2INT( Color_GetG( self ) );
unsigned int leftB = FIX2INT( rb_funcall( self, rb_intern( "b" ), 0 ) ); unsigned int leftB = FIX2INT( Color_GetB( self ) );
unsigned int leftA = FIX2INT( rb_funcall( self, rb_intern( "a" ), 0 ) ); unsigned int leftA = FIX2INT( Color_GetA( self ) );
unsigned int rightR = FIX2INT( rb_funcall( right, rb_intern( "r" ), 0 ) ); unsigned int rightR = FIX2INT( Color_GetR( right ) );
unsigned int rightG = FIX2INT( rb_funcall( right, rb_intern( "g" ), 0 ) ); unsigned int rightG = FIX2INT( Color_GetG( right ) );
unsigned int rightB = FIX2INT( rb_funcall( right, rb_intern( "b" ), 0 ) ); unsigned int rightB = FIX2INT( Color_GetB( right ) );
unsigned int rightA = FIX2INT( rb_funcall( right, rb_intern( "a" ), 0 ) ); unsigned int rightA = FIX2INT( Color_GetA( right ) );
// Do calculation // Do calculation
unsigned int newR = ( leftR * rightR ) / 255; unsigned int newR = ( leftR * rightR ) / 255;
@ -124,14 +166,14 @@ static VALUE Color_Equal( VALUE self, VALUE anArgument )
{ {
VALUE right = Color_ForceType( anArgument ); VALUE right = Color_ForceType( anArgument );
// Get values // Get values
unsigned int leftR = FIX2INT( rb_funcall( self, rb_intern( "r" ), 0 ) ); unsigned int leftR = FIX2INT( Color_GetR( self ) );
unsigned int leftG = FIX2INT( rb_funcall( self, rb_intern( "g" ), 0 ) ); unsigned int leftG = FIX2INT( Color_GetG( self ) );
unsigned int leftB = FIX2INT( rb_funcall( self, rb_intern( "b" ), 0 ) ); unsigned int leftB = FIX2INT( Color_GetB( self ) );
unsigned int leftA = FIX2INT( rb_funcall( self, rb_intern( "a" ), 0 ) ); unsigned int leftA = FIX2INT( Color_GetA( self ) );
unsigned int rightR = FIX2INT( rb_funcall( right, rb_intern( "r" ), 0 ) ); unsigned int rightR = FIX2INT( Color_GetR( right ) );
unsigned int rightG = FIX2INT( rb_funcall( right, rb_intern( "g" ), 0 ) ); unsigned int rightG = FIX2INT( Color_GetG( right ) );
unsigned int rightB = FIX2INT( rb_funcall( right, rb_intern( "b" ), 0 ) ); unsigned int rightB = FIX2INT( Color_GetB( right ) );
unsigned int rightA = FIX2INT( rb_funcall( right, rb_intern( "a" ), 0 ) ); unsigned int rightA = FIX2INT( Color_GetA( right ) );
// Do calculation // Do calculation
if( leftR == rightR && leftG == rightG && leftB == rightB && leftA == rightA ) if( leftR == rightR && leftG == rightG && leftB == rightB && leftA == rightA )

12
bindings/ruby/sfml-graphics/graphics/Color.hpp
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@ -25,6 +25,18 @@
#include "ruby.h" #include "ruby.h"
VALUE Color_ForceType( VALUE someValue );
VALUE Color_GetR( VALUE self );
VALUE Color_GetG( VALUE self );
VALUE Color_GetB( VALUE self );
VALUE Color_GetA( VALUE self );
VALUE Color_SetR( VALUE self, VALUE aVal );
VALUE Color_SetG( VALUE self, VALUE aVal );
VALUE Color_SetB( VALUE self, VALUE aVal );
VALUE Color_SetA( VALUE self, VALUE aVal );
// Ruby initiation function // Ruby initiation function
void Init_Color( void ); void Init_Color( void );