#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include FT_OUTLINE_H
#include "ftrend1.h"
#include "ftraster.h"
#include "rasterrs.h"
static FT_Error
ft_raster1_init( FT_Renderer render )
{
FT_Library library = FT_MODULE_LIBRARY( render );
render->clazz->raster_class->raster_reset( render->raster,
library->raster_pool,
library->raster_pool_size );
return Raster_Err_Ok;
}
static FT_Error
ft_raster1_set_mode( FT_Renderer render,
FT_ULong mode_tag,
FT_Pointer data )
{
return render->clazz->raster_class->raster_set_mode( render->raster,
mode_tag,
data );
}
static FT_Error
ft_raster1_transform( FT_Renderer render,
FT_GlyphSlot slot,
FT_Matrix* matrix,
FT_Vector* delta )
{
FT_Error error = Raster_Err_Ok;
if ( slot->format != render->glyph_format )
{
error = Raster_Err_Invalid_Argument;
goto Exit;
}
if ( matrix )
FT_Outline_Transform( &slot->outline, matrix );
if ( delta )
FT_Outline_Translate( &slot->outline, delta->x, delta->y );
Exit:
return error;
}
static void
ft_raster1_get_cbox( FT_Renderer render,
FT_GlyphSlot slot,
FT_BBox* cbox )
{
FT_MEM_ZERO( cbox, sizeof ( *cbox ) );
if ( slot->format == render->glyph_format )
FT_Outline_Get_CBox( &slot->outline, cbox );
}
static FT_Error
ft_raster1_render( FT_Renderer render,
FT_GlyphSlot slot,
FT_Render_Mode mode,
FT_Vector* origin )
{
FT_Error error;
FT_Outline* outline;
FT_BBox cbox;
FT_UInt width, height, pitch;
FT_Bitmap* bitmap;
FT_Memory memory;
FT_Raster_Params params;
if ( slot->format != render->glyph_format )
{
error = Raster_Err_Invalid_Argument;
goto Exit;
}
if ( mode != FT_RENDER_MODE_MONO )
{
if ( render->clazz == &ft_raster1_renderer_class )
return Raster_Err_Cannot_Render_Glyph;
}
else
{
if ( render->clazz == &ft_raster5_renderer_class )
return Raster_Err_Cannot_Render_Glyph;
}
outline = &slot->outline;
if ( origin )
FT_Outline_Translate( outline, origin->x, origin->y );
FT_Outline_Get_CBox( outline, &cbox );
cbox.xMin &= -64;
cbox.yMin &= -64;
cbox.xMax = ( cbox.xMax + 63 ) & -64;
cbox.yMax = ( cbox.yMax + 63 ) & -64;
width = (FT_UInt)( ( cbox.xMax - cbox.xMin ) >> 6 );
height = (FT_UInt)( ( cbox.yMax - cbox.yMin ) >> 6 );
bitmap = &slot->bitmap;
memory = render->root.memory;
if ( slot->flags & FT_GLYPH_OWN_BITMAP )
{
FT_FREE( bitmap->buffer );
slot->flags &= ~FT_GLYPH_OWN_BITMAP;
}
if ( !( mode & FT_RENDER_MODE_MONO ) )
{
pitch = ( width + 3 ) & -4;
bitmap->pixel_mode = FT_PIXEL_MODE_GRAY;
bitmap->num_grays = 256;
}
else
{
pitch = ( ( width + 15 ) >> 4 ) << 1;
bitmap->pixel_mode = FT_PIXEL_MODE_MONO;
}
bitmap->width = width;
bitmap->rows = height;
bitmap->pitch = pitch;
if ( FT_ALLOC( bitmap->buffer, (FT_ULong)pitch * height ) )
goto Exit;
slot->flags |= FT_GLYPH_OWN_BITMAP;
FT_Outline_Translate( outline, -cbox.xMin, -cbox.yMin );
params.target = bitmap;
params.source = outline;
params.flags = 0;
if ( bitmap->pixel_mode == FT_PIXEL_MODE_GRAY )
params.flags |= FT_RASTER_FLAG_AA;
error = render->raster_render( render->raster, ¶ms );
FT_Outline_Translate( outline, cbox.xMin, cbox.yMin );
if ( error )
goto Exit;
slot->format = FT_GLYPH_FORMAT_BITMAP;
slot->bitmap_left = (FT_Int)( cbox.xMin >> 6 );
slot->bitmap_top = (FT_Int)( cbox.yMax >> 6 );
Exit:
return error;
}
FT_CALLBACK_TABLE_DEF
const FT_Renderer_Class ft_raster1_renderer_class =
{
{
ft_module_renderer,
sizeof( FT_RendererRec ),
"raster1",
0x10000L,
0x20000L,
0,
(FT_Module_Constructor)ft_raster1_init,
(FT_Module_Destructor) 0,
(FT_Module_Requester) 0
},
FT_GLYPH_FORMAT_OUTLINE,
(FT_Renderer_RenderFunc) ft_raster1_render,
(FT_Renderer_TransformFunc)ft_raster1_transform,
(FT_Renderer_GetCBoxFunc) ft_raster1_get_cbox,
(FT_Renderer_SetModeFunc) ft_raster1_set_mode,
(FT_Raster_Funcs*) &ft_standard_raster
};
FT_CALLBACK_TABLE_DEF
const FT_Renderer_Class ft_raster5_renderer_class =
{
{
ft_module_renderer,
sizeof( FT_RendererRec ),
"raster5",
0x10000L,
0x20000L,
0,
(FT_Module_Constructor)ft_raster1_init,
(FT_Module_Destructor) 0,
(FT_Module_Requester) 0
},
FT_GLYPH_FORMAT_OUTLINE,
(FT_Renderer_RenderFunc) ft_raster1_render,
(FT_Renderer_TransformFunc)ft_raster1_transform,
(FT_Renderer_GetCBoxFunc) ft_raster1_get_cbox,
(FT_Renderer_SetModeFunc) ft_raster1_set_mode,
(FT_Raster_Funcs*) &ft_standard_raster
};