ftsizes.h File Reference

#include <freetype/freetype.h>

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Functions
FT_BEGIN_HEADER	FT_New_Size (FT_Face face, FT_Size *size)
	FT_Done_Size (FT_Size size)
	FT_Activate_Size (FT_Size size)

Function Documentation

FT_Activate_Size()

FT_Activate_Size

(

FT_Size

size

)

Definition at line 4293 of file ftobjs.c.

  {
    FT_Face  face;
 
 
    if ( !size )
      return FT_THROW( Invalid_Size_Handle );
 
    face = size->face;
    if ( !face || !face->driver )
      return FT_THROW( Invalid_Face_Handle );
 
    /* we don't need anything more complex than that; all size objects */
    /* are already listed by the face                                  */
    face->size = size;
 
    return FT_Err_Ok;
  }

Referenced by ftc_scaler_lookup_size(), ftc_size_node_compare(), T42_Size_Init(), T42_Size_Request(), and T42_Size_Select().

FT_Done_Size()

FT_Done_Size

(

FT_Size

size

)

Definition at line 2891 of file ftobjs.c.

  {
    FT_Error     error;
    FT_Driver    driver;
    FT_Memory    memory;
    FT_Face      face;
    FT_ListNode  node;
 
 
    if ( !size )
      return FT_THROW( Invalid_Size_Handle );
 
    face = size->face;
    if ( !face )
      return FT_THROW( Invalid_Face_Handle );
 
    driver = face->driver;
    if ( !driver )
      return FT_THROW( Invalid_Driver_Handle );
 
    memory = driver->root.memory;
 
    error = FT_Err_Ok;
    node  = FT_List_Find( &face->sizes_list, size );
    if ( node )
    {
      FT_List_Remove( &face->sizes_list, node );
      FT_FREE( node );
 
      if ( face->size == size )
      {
        face->size = NULL;
        if ( face->sizes_list.head )
          face->size = (FT_Size)(face->sizes_list.head->data);
      }
 
      destroy_size( memory, size, driver );
    }
    else
      error = FT_THROW( Invalid_Size_Handle );
 
    return error;
  }

Referenced by ftc_face_node_init(), ftc_scaler_lookup_size(), ftc_size_node_done(), ftc_size_node_reset(), T42_Face_Init(), and T42_Size_Done().

FT_New_Size()

FT_BEGIN_HEADER FT_New_Size	(	FT_Face	face,
		FT_Size *	size
	)

Definition at line 2824 of file ftobjs.c.

  {
    FT_Error         error;
    FT_Memory        memory;
    FT_Driver        driver;
    FT_Driver_Class  clazz;
 
    FT_Size          size = NULL;
    FT_ListNode      node = NULL;
 
    FT_Size_Internal  internal = NULL;
 
 
    if ( !face )
      return FT_THROW( Invalid_Face_Handle );
 
    if ( !asize )
      return FT_THROW( Invalid_Argument );
 
    if ( !face->driver )
      return FT_THROW( Invalid_Driver_Handle );
 
    *asize = NULL;
 
    driver = face->driver;
    clazz  = driver->clazz;
    memory = face->memory;
 
    /* Allocate new size object and perform basic initialisation */
    if ( FT_ALLOC( size, clazz->size_object_size ) || FT_NEW( node ) )
      goto Exit;
 
    size->face = face;
 
    if ( FT_NEW( internal ) )
      goto Exit;
 
    size->internal = internal;
 
    if ( clazz->init_size )
      error = clazz->init_size( size );
 
    /* in case of success, add to the face's list */
    if ( !error )
    {
      *asize     = size;
      node->data = size;
      FT_List_Add( &face->sizes_list, node );
    }
 
  Exit:
    if ( error )
    {
      FT_FREE( node );
      if ( size )
        FT_FREE( size->internal );
      FT_FREE( size );
    }
 
    return error;
  }

Referenced by ft_open_face_internal(), ftc_scaler_lookup_size(), and T42_Size_Init().