342 lines
9.0 KiB
C
342 lines
9.0 KiB
C
/*
|
|
* Harbour Project source code:
|
|
* Cairo library: pattern
|
|
*
|
|
* Copyright 2013 Oscar Hernandez Suarez <oscar.hernandez.suarez@gmail.com>
|
|
* www - http://harbour-project.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this software; see the file COPYING.txt. If not, write to
|
|
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
|
|
* Boston, MA 02111-1307 USA (or visit the web site http://www.gnu.org/).
|
|
*
|
|
* As a special exception, the Harbour Project gives permission for
|
|
* additional uses of the text contained in its release of Harbour.
|
|
*
|
|
* The exception is that, if you link the Harbour libraries with other
|
|
* files to produce an executable, this does not by itself cause the
|
|
* resulting executable to be covered by the GNU General Public License.
|
|
* Your use of that executable is in no way restricted on account of
|
|
* linking the Harbour library code into it.
|
|
*
|
|
* This exception does not however invalidate any other reasons why
|
|
* the executable file might be covered by the GNU General Public License.
|
|
*
|
|
* This exception applies only to the code released by the Harbour
|
|
* Project under the name Harbour. If you copy code from other
|
|
* Harbour Project or Free Software Foundation releases into a copy of
|
|
* Harbour, as the General Public License permits, the exception does
|
|
* not apply to the code that you add in this way. To avoid misleading
|
|
* anyone as to the status of such modified files, you must delete
|
|
* this exception notice from them.
|
|
*
|
|
* If you write modifications of your own for Harbour, it is your choice
|
|
* whether to permit this exception to apply to your modifications.
|
|
* If you do not wish that, delete this exception notice.
|
|
*
|
|
*/
|
|
|
|
|
|
#include "hbcairo.h"
|
|
#include "hbapiitm.h"
|
|
#include "hbapierr.h"
|
|
|
|
|
|
/* ============ cairo_pattern_t * support ============ */
|
|
static HB_GARBAGE_FUNC( hb_cairo_pattern_destructor )
|
|
{
|
|
cairo_pattern_t ** ppPattern = ( cairo_pattern_t ** ) Cargo;
|
|
|
|
if( *ppPattern )
|
|
{
|
|
cairo_pattern_destroy( *ppPattern );
|
|
*ppPattern = NULL;
|
|
}
|
|
}
|
|
|
|
|
|
static const HB_GC_FUNCS s_gcPatternFuncs =
|
|
{
|
|
hb_cairo_pattern_destructor,
|
|
hb_gcDummyMark
|
|
};
|
|
|
|
|
|
cairo_pattern_t * hb_cairoPatternItemGet( PHB_ITEM pItem )
|
|
{
|
|
cairo_pattern_t ** ppPattern = ( cairo_pattern_t ** ) hb_itemGetPtrGC( pItem, &s_gcPatternFuncs );
|
|
|
|
return ppPattern ? *ppPattern : NULL;
|
|
}
|
|
|
|
|
|
PHB_ITEM hb_cairoPatternItemPut( PHB_ITEM pItem, cairo_pattern_t * pPattern )
|
|
{
|
|
cairo_pattern_t ** ppPattern = ( cairo_pattern_t ** ) hb_gcAllocate( sizeof( cairo_pattern_t * ), &s_gcPatternFuncs );
|
|
|
|
*ppPattern = pPattern;
|
|
return hb_itemPutPtrGC( pItem, ppPattern );
|
|
}
|
|
|
|
|
|
cairo_pattern_t * hb_cairo_pattern_param( int iParam )
|
|
{
|
|
cairo_pattern_t ** ppPattern = ( cairo_pattern_t ** ) hb_parptrGC( &s_gcPatternFuncs, iParam );
|
|
|
|
if( ppPattern && *ppPattern )
|
|
return *ppPattern;
|
|
|
|
hb_errRT_BASE( EG_ARG, 3012, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
|
|
return NULL;
|
|
}
|
|
|
|
|
|
void hb_cairo_pattern_ret( cairo_pattern_t * pPattern )
|
|
{
|
|
hb_cairoPatternItemPut( hb_stackReturnItem(), pPattern );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_DESTROY )
|
|
{
|
|
cairo_pattern_t ** ppPattern = ( cairo_pattern_t ** ) hb_parptrGC( &s_gcPatternFuncs, 1 );
|
|
|
|
if( ppPattern && *ppPattern )
|
|
{
|
|
cairo_pattern_destroy( *ppPattern );
|
|
*ppPattern = NULL;
|
|
}
|
|
else
|
|
hb_errRT_BASE( EG_ARG, 3012, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_ADD_COLOR_STOP_RGB )
|
|
{
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
cairo_pattern_add_color_stop_rgb( pPattern, hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ), hb_parnd( 5 ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_ADD_COLOR_STOP_RGBA )
|
|
{
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
cairo_pattern_add_color_stop_rgba( pPattern, hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ), hb_parnd( 5 ), hb_parnd( 6 ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_COLOR_STOP_COUNT )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
int iCount;
|
|
|
|
hb_retni( cairo_pattern_get_color_stop_count( pPattern, &iCount ) );
|
|
hb_storni( iCount, 2 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_COLOR_STOP_RGBA )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
double dOffset;
|
|
double dRed;
|
|
double dGreen;
|
|
double dBlue;
|
|
double dAlpha;
|
|
|
|
hb_retni( cairo_pattern_get_color_stop_rgba( pPattern, hb_parni( 2 ), &dOffset, &dRed, &dGreen, &dBlue, &dAlpha ) );
|
|
|
|
hb_stornd( dOffset, 3 );
|
|
hb_stornd( dRed, 4 );
|
|
hb_stornd( dGreen, 5 );
|
|
hb_stornd( dBlue, 6 );
|
|
hb_stornd( dAlpha, 7 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_CREATE_RGB )
|
|
{
|
|
hb_cairo_pattern_ret( cairo_pattern_create_rgb( hb_parnd( 1 ), hb_parnd( 2 ), hb_parnd( 3 ) ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_CREATE_RGBA )
|
|
{
|
|
hb_cairo_pattern_ret( cairo_pattern_create_rgba( hb_parnd( 1 ), hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 3 ) ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_RGBA )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
double dRed;
|
|
double dGreen;
|
|
double dBlue;
|
|
double dAlpha;
|
|
|
|
hb_retni( cairo_pattern_get_rgba( pPattern, &dRed, &dGreen, &dBlue, &dAlpha ) );
|
|
|
|
hb_stornd( dRed, 2 );
|
|
hb_stornd( dGreen, 3 );
|
|
hb_stornd( dBlue, 4 );
|
|
hb_stornd( dAlpha, 5 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_CREATE_FOR_SURFACE )
|
|
{
|
|
hb_cairo_pattern_ret( cairo_pattern_create_for_surface( hb_cairo_surface_param( 1 ) ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_SURFACE )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
cairo_surface_t * pSurface;
|
|
|
|
hb_retni( cairo_pattern_get_surface( pPattern, &pSurface ) );
|
|
|
|
hb_cairoSurfaceStor( pSurface, 2 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_CREATE_LINEAR )
|
|
{
|
|
hb_cairo_pattern_ret( cairo_pattern_create_linear( hb_parnd( 1 ), hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ) ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_LINEAR_POINTS )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
double dX0;
|
|
double dY0;
|
|
double dX1;
|
|
double dY1;
|
|
|
|
hb_retni( cairo_pattern_get_linear_points( pPattern, &dX0, &dY0, &dX1, &dY1 ) );
|
|
|
|
hb_stornd( dX0, 2 );
|
|
hb_stornd( dY0, 3 );
|
|
hb_stornd( dX1, 4 );
|
|
hb_stornd( dY1, 5 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_CREATE_RADIAL )
|
|
{
|
|
hb_cairo_pattern_ret( cairo_pattern_create_radial( hb_parnd( 1 ), hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ), hb_parnd( 5 ), hb_parnd( 6 ) ) );
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_GET_RADIAL_CIRCLES )
|
|
{
|
|
#if CAIRO_VERSION >= CAIRO_VERSION_ENCODE( 1, 4, 0 )
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
{
|
|
double dX0;
|
|
double dY0;
|
|
double dR0;
|
|
double dX1;
|
|
double dY1;
|
|
double dR1;
|
|
|
|
hb_retni( cairo_pattern_get_radial_circles( pPattern, &dX0, &dY0, &dR0, &dX1, &dY1, &dR1 ) );
|
|
|
|
hb_stornd( dX0, 2 );
|
|
hb_stornd( dY0, 3 );
|
|
hb_stornd( dR0, 4 );
|
|
hb_stornd( dX1, 5 );
|
|
hb_stornd( dY1, 6 );
|
|
hb_stornd( dR1, 7 );
|
|
}
|
|
else
|
|
hb_retni( -1 );
|
|
#else
|
|
hb_cairo_pattern_param( 1 ); /* Parameter validation */
|
|
hb_retni( -1 ); /* There is no good CAIRO_STATUS_* for this */
|
|
#endif
|
|
}
|
|
|
|
|
|
HB_FUNC( CAIRO_PATTERN_STATUS )
|
|
{
|
|
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 1 );
|
|
|
|
if( pPattern )
|
|
hb_retni( cairo_pattern_status( pPattern ) );
|
|
else
|
|
hb_retni( -1 );
|
|
}
|