ftlcdfil.c File Reference

#include <freetype/internal/ftdebug.h>
#include <freetype/ftlcdfil.h>
#include <freetype/ftimage.h>
#include <freetype/internal/ftobjs.h>

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Functions
	ft_lcd_padding (FT_BBox *cbox, FT_GlyphSlot slot, FT_Render_Mode mode)
	FT_Library_SetLcdFilterWeights (FT_Library library, unsigned char *weights)
	FT_Library_SetLcdFilter (FT_Library library, FT_LcdFilter filter)
	FT_Library_SetLcdGeometry (FT_Library library, FT_Vector sub[3])

Function Documentation

ft_lcd_padding()

ft_lcd_padding	(	FT_BBox *	cbox,
		FT_GlyphSlot	slot,
		FT_Render_Mode	mode
	)

Definition at line 372 of file ftlcdfil.c.

  {
    FT_Vector*  sub = slot->library->lcd_geometry;
 
    if ( mode == FT_RENDER_MODE_LCD )
    {
      cbox->xMin -= FT_MAX( FT_MAX( sub[0].x, sub[1].x ), sub[2].x );
      cbox->xMax -= FT_MIN( FT_MIN( sub[0].x, sub[1].x ), sub[2].x );
      cbox->yMin -= FT_MAX( FT_MAX( sub[0].y, sub[1].y ), sub[2].y );
      cbox->yMax -= FT_MIN( FT_MIN( sub[0].y, sub[1].y ), sub[2].y );
    }
    else if ( mode == FT_RENDER_MODE_LCD_V )
    {
      cbox->xMin -= FT_MAX( FT_MAX( sub[0].y, sub[1].y ), sub[2].y );
      cbox->xMax -= FT_MIN( FT_MIN( sub[0].y, sub[1].y ), sub[2].y );
      cbox->yMin += FT_MIN( FT_MIN( sub[0].x, sub[1].x ), sub[2].x );
      cbox->yMax += FT_MAX( FT_MAX( sub[0].x, sub[1].x ), sub[2].x );
    }
  }

Referenced by ft_glyphslot_preset_bitmap().

FT_Library_SetLcdFilter()

FT_Library_SetLcdFilter	(	FT_Library	library,
		FT_LcdFilter	filter
	)

Definition at line 407 of file ftlcdfil.c.

  {
    FT_UNUSED( library );
    FT_UNUSED( filter );
 
    return FT_THROW( Unimplemented_Feature );
  }

FT_Library_SetLcdFilterWeights()

FT_Library_SetLcdFilterWeights	(	FT_Library	library,
		unsigned char *	weights
	)

Definition at line 396 of file ftlcdfil.c.

  {
    FT_UNUSED( library );
    FT_UNUSED( weights );
 
    return FT_THROW( Unimplemented_Feature );
  }

FT_Library_SetLcdGeometry()

FT_Library_SetLcdGeometry	(	FT_Library	library,
		FT_Vector	sub[3]
	)

Definition at line 420 of file ftlcdfil.c.

  {
    if ( !library )
      return FT_THROW( Invalid_Library_Handle );
 
    if ( !sub )
      return FT_THROW( Invalid_Argument );
 
    ft_memcpy( library->lcd_geometry, sub, 3 * sizeof( FT_Vector ) );
 
    return FT_THROW( Unimplemented_Feature );
  }