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/** The rasterizer for the 'dense' renderer */
#undef FT_COMPONENT
#define FT_COMPONENT dense
#include <freetype/ftoutln.h>
#include <freetype/internal/ftcalc.h>
#include <freetype/internal/ftdebug.h>
#include <freetype/internal/ftobjs.h>
#include <math.h>
#include "ftdense.h"
#include "ftdenseerrs.h"
#define PIXEL_BITS 8
#define ONE_PIXEL ( 1 << PIXEL_BITS )
#define TRUNC( x ) (int)( ( x ) >> PIXEL_BITS )
#define UPSCALE( x ) ( ( x ) * ( ONE_PIXEL >> 6 ) )
#define DOWNSCALE( x ) ( ( x ) >> ( PIXEL_BITS - 6 ) )
#define FT_SWAP(a, b) ( (a) ^= (b) ^=(a) ^= (b))
#define FT_MIN( a, b ) ( (a) < (b) ? (a) : (b) )
#define FT_MAX( a, b ) ( (a) > (b) ? (a) : (b) )
#define FT_ABS( a ) ( (a) < 0 ? -(a) : (a) )
typedef struct dense_TRaster_
{
void* memory;
} dense_TRaster, *dense_PRaster;
static int
dense_move_to( const FT_Vector* to, dense_worker* worker )
{
FT_Pos x, y;
x = UPSCALE( to->x );
y = UPSCALE( to->y );
worker->prev_x = x;
worker->prev_y = y;
return 0;
}
static int
dense_line_to( const FT_Vector* to, dense_worker* worker )
{
dense_render_line( worker, UPSCALE( to->x ), UPSCALE( to->y ) );
dense_move_to( to, worker );
return 0;
}
void
dense_render_line( dense_worker* worker, TPos tox, TPos toy )
{
return;
}
static int
dense_conic_to( const FT_Vector* control,
const FT_Vector* to,
dense_worker* worker )
{
dense_render_quadratic( worker, control, to );
return 0;
}
void
dense_render_quadratic( dense_worker* worker,
FT_Vector* control,
FT_Vector* to )
{
return;
}
static int
dense_cubic_to( const FT_Vector* control1,
const FT_Vector* control2,
const FT_Vector* to,
dense_worker* worker )
{
dense_render_cubic( worker, control1, control2, to );
return 0;
}
void
dense_render_cubic( dense_worker* worker,
FT_Vector* control_1,
FT_Vector* control_2,
FT_Vector* to )
{
return;
}
static int
dense_raster_new( FT_Memory memory, dense_PRaster* araster )
{
FT_Error error;
dense_PRaster raster;
if ( !FT_NEW( raster ) )
raster->memory = memory;
*araster = raster;
return error;
}
static void
dense_raster_done( FT_Raster raster )
{
FT_Memory memory = (FT_Memory)( (dense_PRaster)raster )->memory;
FT_FREE( raster );
}
static void
dense_raster_reset( FT_Raster raster,
unsigned char* pool_base,
unsigned long pool_size )
{
FT_UNUSED( raster );
FT_UNUSED( pool_base );
FT_UNUSED( pool_size );
}
static int
dense_raster_set_mode( FT_Raster raster, unsigned long mode, void* args )
{
FT_UNUSED( raster );
FT_UNUSED( mode );
FT_UNUSED( args );
return 0; /* nothing to do */
}
FT_DEFINE_OUTLINE_FUNCS( dense_decompose_funcs,
(FT_Outline_MoveTo_Func)dense_move_to, /* move_to */
(FT_Outline_LineTo_Func)dense_line_to, /* line_to */
(FT_Outline_ConicTo_Func)dense_conic_to, /* conic_to */
(FT_Outline_CubicTo_Func)dense_cubic_to, /* cubic_to */
0, /* shift */
0 /* delta */
)
static int
dense_render_glyph( dense_worker* worker, const FT_Bitmap* target )
{
FT_Error error = FT_Outline_Decompose( &( worker->outline ),
&dense_decompose_funcs, worker );
return error;
}
static int
dense_raster_render( FT_Raster raster, const FT_Raster_Params* params )
{
return 0;
}
FT_DEFINE_RASTER_FUNCS(
ft_dense_raster,
FT_GLYPH_FORMAT_OUTLINE,
(FT_Raster_New_Func)dense_raster_new, /* raster_new */
(FT_Raster_Reset_Func)dense_raster_reset, /* raster_reset */
(FT_Raster_Set_Mode_Func)dense_raster_set_mode, /* raster_set_mode */
(FT_Raster_Render_Func)dense_raster_render, /* raster_render */
(FT_Raster_Done_Func)dense_raster_done /* raster_done */
)
/* END */
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