ref: 2fce88c6b97a781fd24292dd9a8376d87727c174
dir: /src/base/ftoutln.h/
#ifndef FTOUTLN_H
#define FTOUTLN_H
#include <ftobjs.h>
/*************************************************************************/
/* */
/* <Function> */
/* FT_Copy_Outline */
/* */
/* <Description> */
/* Copies an outline into another one. Both objects must have the */
/* same sizes (number of points & number of contours) when this */
/* function is called. */
/* */
/* <Input> */
/* source :: A handle to the source outline. */
/* target :: A handle to the target outline. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
EXPORT_DEF
FT_Error FT_Copy_Outline( FT_Outline* source,
FT_Outline* target );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Get_Outline_Bitmap */
/* */
/* <Description> */
/* Renders an outline within a bitmap. The outline's image is simply */
/* or-ed to the target bitmap. */
/* */
/* */
/* <Input> */
/* library :: A handle to a FreeType library object. */
/* outline :: A pointer to the source outline descriptor. */
/* map :: A pointer to the target bitmap descriptor. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
/* <MT-Note> */
/* YES. Rendering is synchronized, so that concurrent calls to the */
/* scan-line converter will be serialized. */
/* */
/* <Note> */
/* This function does NOT CREATE the bitmap, it only renders an */
/* outline image within the one you pass to it! */
/* */
/* It will use the raster correponding to the default glyph format. */
/* */
EXPORT_DEF
FT_Error FT_Get_Outline_Bitmap( FT_Library library,
FT_Outline* outline,
FT_Bitmap* map );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Transform_Outline */
/* */
/* <Description> */
/* Applies a simple 2x2 matrix to all of an outline's points. Useful */
/* for applying rotations, slanting, flipping, etc. */
/* */
/* <Input> */
/* outline :: A pointer to the target outline descriptor. */
/* matrix :: A pointer to the transformation matrix. */
/* */
/* <MT-Note> */
/* Yes. */
/* */
/* <Note> */
/* You can use FT_Translate_Outline() if you need to translate the */
/* outline's points. */
/* */
EXPORT_DEF
void FT_Transform_Outline( FT_Outline* outline,
FT_Matrix* matrix );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Transform_Vector */
/* */
/* <Description> */
/* Transforms a single vector through a 2x2 matrix. */
/* */
/* <InOut> */
/* x :: The horizontal vector coordinate. */
/* y :: The vertical vector coordinate. */
/* */
/* <Input> */
/* matrix :: A pointer to the source 2x2 matrix. */
/* */
/* <MT-Note> */
/* Yes. */
/* */
EXPORT_DEF
void FT_Transform_Vector( FT_Pos* x,
FT_Pos* y,
FT_Matrix* matrix );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Matrix_Multiply */
/* */
/* <Description> */
/* Performs the matrix operation `b = a*b'. */
/* */
/* <Input> */
/* a :: A pointer to matrix `a'. */
/* */
/* <InOut> */
/* b :: A pointer to matrix `b'. */
/* */
/* <MT-Note> */
/* Yes. */
/* */
EXPORT_DEF
void FT_Matrix_Multiply( FT_Matrix* a,
FT_Matrix* b );
/*************************************************************************/
/* */
/* <Function> */
/* FT_Matrix_Invert */
/* */
/* <Description> */
/* Inverts a 2x2 matrix. Returns an error if it can't be inverted. */
/* */
/* <InOut> */
/* matrix :: A pointer to the target matrix. Remains untouched in */
/* case of error. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
/* <MT-Note> */
/* Yes. */
/* */
EXPORT_DEF
FT_Error FT_Matrix_Invert( FT_Matrix* matrix );
#endif /* FTOUTLN_H */