Files
harbour-core/contrib/hbcairo/context.c
2013-03-18 17:14:25 +01:00

424 lines
8.9 KiB
C

/*
* Harbour Project source code:
* Cairo library: drawing context
*
* Copyright 2009 Mindaugas Kavaliauskas <dbtopas at dbtopas.lt>
* 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"
HB_FUNC( CAIRO_CLIP )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_clip( pCairo );
}
HB_FUNC( CAIRO_CLIP_EXTENTS )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
{
PHB_ITEM pItem = hb_stackReturnItem();
double x1, y1, x2, y2;
cairo_clip_extents( pCairo, &x1, &y1, &x2, &y2 );
hb_arrayNew( pItem, 4 );
hb_arraySetND( pItem, 1, x1 );
hb_arraySetND( pItem, 2, y1 );
hb_arraySetND( pItem, 3, x2 );
hb_arraySetND( pItem, 4, y2 );
}
}
HB_FUNC( CAIRO_CLIP_PRESERVE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_clip_preserve( pCairo );
}
HB_FUNC( CAIRO_COPY_PAGE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_copy_page( pCairo );
}
HB_FUNC( CAIRO_CREATE )
{
cairo_surface_t * pSurface = hb_cairo_surface_param( 1 );
if( pSurface )
hb_cairo_ret( cairo_create( pSurface ) );
}
HB_FUNC( CAIRO_FILL )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_fill( pCairo );
}
HB_FUNC( CAIRO_FILL_PRESERVE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_fill_preserve( pCairo );
}
HB_FUNC( CAIRO_GET_DASH )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
{
PHB_ITEM pItem;
int i, iCount;
double * pDashes, dOffset;
iCount = cairo_get_dash_count( pCairo );
pDashes = ( double * ) hb_xgrab( iCount * sizeof( double ) );
cairo_get_dash( pCairo, pDashes, &dOffset );
hb_stornd( dOffset, 3 );
pItem = hb_itemArrayNew( ( HB_SIZE ) iCount );
for( i = 0; i < iCount; i++ )
hb_arraySetND( pItem, ( HB_SIZE ) i + 1, pDashes[ i ] );
hb_xfree( pDashes );
hb_itemParamStoreForward( 2, pItem );
hb_itemRelease( pItem );
}
}
HB_FUNC( CAIRO_GET_LINE_WIDTH )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
hb_retnd( cairo_get_line_width( pCairo ) );
}
HB_FUNC( CAIRO_IN_FILL )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
hb_retl( cairo_in_fill( pCairo, hb_parnd( 2 ), hb_parnd( 3 ) ) );
}
HB_FUNC( CAIRO_IN_STROKE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
hb_retl( cairo_in_stroke( pCairo, hb_parnd( 2 ), hb_parnd( 3 ) ) );
}
HB_FUNC( CAIRO_PAINT )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_paint( pCairo );
}
HB_FUNC( CAIRO_PAINT_WITH_ALPHA )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_paint_with_alpha( pCairo, hb_parnd( 2 ) );
}
HB_FUNC( CAIRO_RESET_CLIP )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_reset_clip( pCairo );
}
HB_FUNC( CAIRO_RESTORE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_restore( pCairo );
}
HB_FUNC( CAIRO_SAVE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_save( pCairo );
}
HB_FUNC( CAIRO_SET_DASH )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
{
PHB_ITEM pItem;
if( ( pItem = hb_param( 2, HB_IT_ARRAY ) ) != NULL )
{
int i, iCount = ( int ) hb_arrayLen( pItem );
double * pDashes = NULL;
if( iCount )
pDashes = ( double * ) hb_xgrab( iCount * sizeof( double ) );
for( i = 0; i < iCount; i++ )
pDashes[ i ] = hb_arrayGetND( pItem, ( HB_SIZE ) i + 1 );
cairo_set_dash( pCairo, pDashes, iCount, hb_parnd( 3 ) );
if( pDashes )
hb_xfree( pDashes );
}
else
hb_errRT_BASE( EG_ARG, 3012, NULL, HB_ERR_FUNCNAME, HB_ERR_ARGS_BASEPARAMS );
}
}
HB_FUNC( CAIRO_SET_FILL_RULE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_fill_rule( pCairo, ( cairo_fill_rule_t ) hb_parni( 2 ) );
}
HB_FUNC( CAIRO_SET_LINE_CAP )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_line_cap( pCairo, ( cairo_line_cap_t ) hb_parni( 2 ) );
}
HB_FUNC( CAIRO_SET_LINE_JOIN )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_line_join( pCairo, ( cairo_line_join_t ) hb_parni( 2 ) );
}
HB_FUNC( CAIRO_SET_LINE_WIDTH )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_line_width( pCairo, hb_parnd( 2 ) );
}
HB_FUNC( CAIRO_SET_MITER_LIMIT )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_miter_limit( pCairo, hb_parnd( 2 ) );
}
HB_FUNC( CAIRO_SET_OPERATOR )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_operator( pCairo, ( cairo_operator_t ) hb_parni( 2 ) );
}
HB_FUNC( CAIRO_SET_SOURCE_RGB )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_source_rgb( pCairo, hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ) );
}
HB_FUNC( CAIRO_SET_SOURCE_RGBA )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_source_rgba( pCairo, hb_parnd( 2 ), hb_parnd( 3 ), hb_parnd( 4 ), hb_parnd( 5 ) );
}
HB_FUNC( CAIRO_SET_TOLERANCE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_set_tolerance( pCairo, hb_parnd( 2 ) );
}
HB_FUNC( CAIRO_SHOW_PAGE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_show_page( pCairo );
}
HB_FUNC( CAIRO_STROKE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_stroke( pCairo );
}
HB_FUNC( CAIRO_STATUS )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
hb_retni( cairo_status( pCairo ) );
}
HB_FUNC( CAIRO_STROKE_EXTENTS )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
{
PHB_ITEM pItem = hb_stackReturnItem();
double x1, y1, x2, y2;
cairo_stroke_extents( pCairo, &x1, &y1, &x2, &y2 );
hb_arrayNew( pItem, 4 );
hb_arraySetND( pItem, 1, x1 );
hb_arraySetND( pItem, 2, y1 );
hb_arraySetND( pItem, 3, x2 );
hb_arraySetND( pItem, 4, y2 );
}
}
HB_FUNC( CAIRO_STROKE_PRESERVE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_stroke_preserve( pCairo );
}
HB_FUNC( CAIRO_PUSH_GROUP )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_push_group( pCairo );
}
HB_FUNC( CAIRO_POP_GROUP_TO_SOURCE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
if( pCairo )
cairo_pop_group_to_source( pCairo );
}
HB_FUNC( CAIRO_SET_SOURCE_SURFACE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
cairo_surface_t * pSurface = hb_cairo_surface_param( 2 );
cairo_set_source_surface( pCairo, pSurface, hb_parnd( 3 ), hb_parnd( 4 ) );
}
HB_FUNC( CAIRO_SET_SOURCE )
{
cairo_t * pCairo = hb_cairo_param( 1 );
cairo_pattern_t * pPattern = hb_cairo_pattern_param( 2 );
if( pCairo )
cairo_set_source( pCairo, pPattern );
}