| Index: third_party/freetype/include/ftoutln.h
|
| diff --git a/third_party/freetype/include/ftoutln.h b/third_party/freetype/include/ftoutln.h
|
| deleted file mode 100644
|
| index d3b8fbd2658d9168320957d7797510f5e8c6ccde..0000000000000000000000000000000000000000
|
| --- a/third_party/freetype/include/ftoutln.h
|
| +++ /dev/null
|
| @@ -1,574 +0,0 @@
|
| -/***************************************************************************/
|
| -/* */
|
| -/* ftoutln.h */
|
| -/* */
|
| -/* Support for the FT_Outline type used to store glyph shapes of */
|
| -/* most scalable font formats (specification). */
|
| -/* */
|
| -/* Copyright 1996-2003, 2005-2014 by */
|
| -/* David Turner, Robert Wilhelm, and Werner Lemberg. */
|
| -/* */
|
| -/* This file is part of the FreeType project, and may only be used, */
|
| -/* modified, and distributed under the terms of the FreeType project */
|
| -/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
|
| -/* this file you indicate that you have read the license and */
|
| -/* understand and accept it fully. */
|
| -/* */
|
| -/***************************************************************************/
|
| -
|
| -
|
| -#ifndef __FTOUTLN_H__
|
| -#define __FTOUTLN_H__
|
| -
|
| -
|
| -#include <ft2build.h>
|
| -#include FT_FREETYPE_H
|
| -
|
| -#ifdef FREETYPE_H
|
| -#error "freetype.h of FreeType 1 has been loaded!"
|
| -#error "Please fix the directory search order for header files"
|
| -#error "so that freetype.h of FreeType 2 is found first."
|
| -#endif
|
| -
|
| -
|
| -FT_BEGIN_HEADER
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Section> */
|
| - /* outline_processing */
|
| - /* */
|
| - /* <Title> */
|
| - /* Outline Processing */
|
| - /* */
|
| - /* <Abstract> */
|
| - /* Functions to create, transform, and render vectorial glyph images. */
|
| - /* */
|
| - /* <Description> */
|
| - /* This section contains routines used to create and destroy scalable */
|
| - /* glyph images known as `outlines'. These can also be measured, */
|
| - /* transformed, and converted into bitmaps and pixmaps. */
|
| - /* */
|
| - /* <Order> */
|
| - /* FT_Outline */
|
| - /* FT_Outline_New */
|
| - /* FT_Outline_Done */
|
| - /* FT_Outline_Copy */
|
| - /* FT_Outline_Translate */
|
| - /* FT_Outline_Transform */
|
| - /* FT_Outline_Embolden */
|
| - /* FT_Outline_EmboldenXY */
|
| - /* FT_Outline_Reverse */
|
| - /* FT_Outline_Check */
|
| - /* */
|
| - /* FT_Outline_Get_CBox */
|
| - /* FT_Outline_Get_BBox */
|
| - /* */
|
| - /* FT_Outline_Get_Bitmap */
|
| - /* FT_Outline_Render */
|
| - /* FT_Outline_Decompose */
|
| - /* FT_Outline_Funcs */
|
| - /* FT_Outline_MoveToFunc */
|
| - /* FT_Outline_LineToFunc */
|
| - /* FT_Outline_ConicToFunc */
|
| - /* FT_Outline_CubicToFunc */
|
| - /* */
|
| - /* FT_Orientation */
|
| - /* FT_Outline_Get_Orientation */
|
| - /* */
|
| - /* FT_OUTLINE_XXX */
|
| - /* */
|
| - /*************************************************************************/
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Decompose */
|
| - /* */
|
| - /* <Description> */
|
| - /* Walk over an outline's structure to decompose it into individual */
|
| - /* segments and Bézier arcs. This function also emits `move to' */
|
| - /* operations to indicate the start of new contours in the outline. */
|
| - /* */
|
| - /* <Input> */
|
| - /* outline :: A pointer to the source target. */
|
| - /* */
|
| - /* func_interface :: A table of `emitters', i.e., function pointers */
|
| - /* called during decomposition to indicate path */
|
| - /* operations. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* user :: A typeless pointer that is passed to each */
|
| - /* emitter during the decomposition. It can be */
|
| - /* used to store the state during the */
|
| - /* decomposition. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* A contour that contains a single point only is represented by a */
|
| - /* `move to' operation followed by `line to' to the same point. In */
|
| - /* most cases, it is best to filter this out before using the */
|
| - /* outline for stroking purposes (otherwise it would result in a */
|
| - /* visible dot when round caps are used). */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Decompose( FT_Outline* outline,
|
| - const FT_Outline_Funcs* func_interface,
|
| - void* user );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_New */
|
| - /* */
|
| - /* <Description> */
|
| - /* Create a new outline of a given size. */
|
| - /* */
|
| - /* <Input> */
|
| - /* library :: A handle to the library object from where the */
|
| - /* outline is allocated. Note however that the new */
|
| - /* outline will *not* necessarily be *freed*, when */
|
| - /* destroying the library, by @FT_Done_FreeType. */
|
| - /* */
|
| - /* numPoints :: The maximum number of points within the outline. */
|
| - /* Must be smaller than or equal to 0xFFFF (65535). */
|
| - /* */
|
| - /* numContours :: The maximum number of contours within the outline. */
|
| - /* This value must be in the range 0 to `numPoints'. */
|
| - /* */
|
| - /* <Output> */
|
| - /* anoutline :: A handle to the new outline. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* The reason why this function takes a `library' parameter is simply */
|
| - /* to use the library's memory allocator. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_New( FT_Library library,
|
| - FT_UInt numPoints,
|
| - FT_Int numContours,
|
| - FT_Outline *anoutline );
|
| -
|
| -
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_New_Internal( FT_Memory memory,
|
| - FT_UInt numPoints,
|
| - FT_Int numContours,
|
| - FT_Outline *anoutline );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Done */
|
| - /* */
|
| - /* <Description> */
|
| - /* Destroy an outline created with @FT_Outline_New. */
|
| - /* */
|
| - /* <Input> */
|
| - /* library :: A handle of the library object used to allocate the */
|
| - /* outline. */
|
| - /* */
|
| - /* outline :: A pointer to the outline object to be discarded. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* If the outline's `owner' field is not set, only the outline */
|
| - /* descriptor will be released. */
|
| - /* */
|
| - /* The reason why this function takes an `library' parameter is */
|
| - /* simply to use ft_mem_free(). */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Done( FT_Library library,
|
| - FT_Outline* outline );
|
| -
|
| -
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Done_Internal( FT_Memory memory,
|
| - FT_Outline* outline );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Check */
|
| - /* */
|
| - /* <Description> */
|
| - /* Check the contents of an outline descriptor. */
|
| - /* */
|
| - /* <Input> */
|
| - /* outline :: A handle to a source outline. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Check( FT_Outline* outline );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Get_CBox */
|
| - /* */
|
| - /* <Description> */
|
| - /* Return an outline's `control box'. The control box encloses all */
|
| - /* the outline's points, including Bézier control points. Though it */
|
| - /* coincides with the exact bounding box for most glyphs, it can be */
|
| - /* slightly larger in some situations (like when rotating an outline */
|
| - /* that contains Bézier outside arcs). */
|
| - /* */
|
| - /* Computing the control box is very fast, while getting the bounding */
|
| - /* box can take much more time as it needs to walk over all segments */
|
| - /* and arcs in the outline. To get the latter, you can use the */
|
| - /* `ftbbox' component, which is dedicated to this single task. */
|
| - /* */
|
| - /* <Input> */
|
| - /* outline :: A pointer to the source outline descriptor. */
|
| - /* */
|
| - /* <Output> */
|
| - /* acbox :: The outline's control box. */
|
| - /* */
|
| - /* <Note> */
|
| - /* See @FT_Glyph_Get_CBox for a discussion of tricky fonts. */
|
| - /* */
|
| - FT_EXPORT( void )
|
| - FT_Outline_Get_CBox( const FT_Outline* outline,
|
| - FT_BBox *acbox );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Translate */
|
| - /* */
|
| - /* <Description> */
|
| - /* Apply a simple translation to the points of an outline. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* outline :: A pointer to the target outline descriptor. */
|
| - /* */
|
| - /* <Input> */
|
| - /* xOffset :: The horizontal offset. */
|
| - /* */
|
| - /* yOffset :: The vertical offset. */
|
| - /* */
|
| - FT_EXPORT( void )
|
| - FT_Outline_Translate( const FT_Outline* outline,
|
| - FT_Pos xOffset,
|
| - FT_Pos yOffset );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Copy */
|
| - /* */
|
| - /* <Description> */
|
| - /* Copy 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. */
|
| - /* */
|
| - /* <Output> */
|
| - /* target :: A handle to the target outline. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Copy( const FT_Outline* source,
|
| - FT_Outline *target );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Transform */
|
| - /* */
|
| - /* <Description> */
|
| - /* Apply a simple 2x2 matrix to all of an outline's points. Useful */
|
| - /* for applying rotations, slanting, flipping, etc. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* outline :: A pointer to the target outline descriptor. */
|
| - /* */
|
| - /* <Input> */
|
| - /* matrix :: A pointer to the transformation matrix. */
|
| - /* */
|
| - /* <Note> */
|
| - /* You can use @FT_Outline_Translate if you need to translate the */
|
| - /* outline's points. */
|
| - /* */
|
| - FT_EXPORT( void )
|
| - FT_Outline_Transform( const FT_Outline* outline,
|
| - const FT_Matrix* matrix );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Embolden */
|
| - /* */
|
| - /* <Description> */
|
| - /* Embolden an outline. The new outline will be at most 4~times */
|
| - /* `strength' pixels wider and higher. You may think of the left and */
|
| - /* bottom borders as unchanged. */
|
| - /* */
|
| - /* Negative `strength' values to reduce the outline thickness are */
|
| - /* possible also. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* outline :: A handle to the target outline. */
|
| - /* */
|
| - /* <Input> */
|
| - /* strength :: How strong the glyph is emboldened. Expressed in */
|
| - /* 26.6 pixel format. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* The used algorithm to increase or decrease the thickness of the */
|
| - /* glyph doesn't change the number of points; this means that certain */
|
| - /* situations like acute angles or intersections are sometimes */
|
| - /* handled incorrectly. */
|
| - /* */
|
| - /* If you need `better' metrics values you should call */
|
| - /* @FT_Outline_Get_CBox or @FT_Outline_Get_BBox. */
|
| - /* */
|
| - /* Example call: */
|
| - /* */
|
| - /* { */
|
| - /* FT_Load_Glyph( face, index, FT_LOAD_DEFAULT ); */
|
| - /* if ( face->slot->format == FT_GLYPH_FORMAT_OUTLINE ) */
|
| - /* FT_Outline_Embolden( &face->slot->outline, strength ); */
|
| - /* } */
|
| - /* */
|
| - /* To get meaningful results, font scaling values must be set with */
|
| - /* functions like @FT_Set_Char_Size before calling FT_Render_Glyph. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Embolden( FT_Outline* outline,
|
| - FT_Pos strength );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_EmboldenXY */
|
| - /* */
|
| - /* <Description> */
|
| - /* Embolden an outline. The new outline will be `xstrength' pixels */
|
| - /* wider and `ystrength' pixels higher. Otherwise, it is similar to */
|
| - /* @FT_Outline_Embolden, which uses the same strength in both */
|
| - /* directions. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_EmboldenXY( FT_Outline* outline,
|
| - FT_Pos xstrength,
|
| - FT_Pos ystrength );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Reverse */
|
| - /* */
|
| - /* <Description> */
|
| - /* Reverse the drawing direction of an outline. This is used to */
|
| - /* ensure consistent fill conventions for mirrored glyphs. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* outline :: A pointer to the target outline descriptor. */
|
| - /* */
|
| - /* <Note> */
|
| - /* This function toggles the bit flag @FT_OUTLINE_REVERSE_FILL in */
|
| - /* the outline's `flags' field. */
|
| - /* */
|
| - /* It shouldn't be used by a normal client application, unless it */
|
| - /* knows what it is doing. */
|
| - /* */
|
| - FT_EXPORT( void )
|
| - FT_Outline_Reverse( FT_Outline* outline );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Get_Bitmap */
|
| - /* */
|
| - /* <Description> */
|
| - /* Render 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. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* abitmap :: A pointer to the target bitmap descriptor. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* This function does NOT CREATE the bitmap, it only renders an */
|
| - /* outline image within the one you pass to it! Consequently, the */
|
| - /* various fields in `abitmap' should be set accordingly. */
|
| - /* */
|
| - /* It will use the raster corresponding to the default glyph format. */
|
| - /* */
|
| - /* The value of the `num_grays' field in `abitmap' is ignored. If */
|
| - /* you select the gray-level rasterizer, and you want less than 256 */
|
| - /* gray levels, you have to use @FT_Outline_Render directly. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Get_Bitmap( FT_Library library,
|
| - FT_Outline* outline,
|
| - const FT_Bitmap *abitmap );
|
| -
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Outline_Render */
|
| - /* */
|
| - /* <Description> */
|
| - /* Render an outline within a bitmap using the current scan-convert. */
|
| - /* This function uses an @FT_Raster_Params structure as an argument, */
|
| - /* allowing advanced features like direct composition, translucency, */
|
| - /* etc. */
|
| - /* */
|
| - /* <Input> */
|
| - /* library :: A handle to a FreeType library object. */
|
| - /* */
|
| - /* outline :: A pointer to the source outline descriptor. */
|
| - /* */
|
| - /* <InOut> */
|
| - /* params :: A pointer to an @FT_Raster_Params structure used to */
|
| - /* describe the rendering operation. */
|
| - /* */
|
| - /* <Return> */
|
| - /* FreeType error code. 0~means success. */
|
| - /* */
|
| - /* <Note> */
|
| - /* You should know what you are doing and how @FT_Raster_Params works */
|
| - /* to use this function. */
|
| - /* */
|
| - /* The field `params.source' will be set to `outline' before the scan */
|
| - /* converter is called, which means that the value you give to it is */
|
| - /* actually ignored. */
|
| - /* */
|
| - /* The gray-level rasterizer always uses 256 gray levels. If you */
|
| - /* want less gray levels, you have to provide your own span callback. */
|
| - /* See the @FT_RASTER_FLAG_DIRECT value of the `flags' field in the */
|
| - /* @FT_Raster_Params structure for more details. */
|
| - /* */
|
| - FT_EXPORT( FT_Error )
|
| - FT_Outline_Render( FT_Library library,
|
| - FT_Outline* outline,
|
| - FT_Raster_Params* params );
|
| -
|
| -
|
| - /**************************************************************************
|
| - *
|
| - * @enum:
|
| - * FT_Orientation
|
| - *
|
| - * @description:
|
| - * A list of values used to describe an outline's contour orientation.
|
| - *
|
| - * The TrueType and PostScript specifications use different conventions
|
| - * to determine whether outline contours should be filled or unfilled.
|
| - *
|
| - * @values:
|
| - * FT_ORIENTATION_TRUETYPE ::
|
| - * According to the TrueType specification, clockwise contours must
|
| - * be filled, and counter-clockwise ones must be unfilled.
|
| - *
|
| - * FT_ORIENTATION_POSTSCRIPT ::
|
| - * According to the PostScript specification, counter-clockwise contours
|
| - * must be filled, and clockwise ones must be unfilled.
|
| - *
|
| - * FT_ORIENTATION_FILL_RIGHT ::
|
| - * This is identical to @FT_ORIENTATION_TRUETYPE, but is used to
|
| - * remember that in TrueType, everything that is to the right of
|
| - * the drawing direction of a contour must be filled.
|
| - *
|
| - * FT_ORIENTATION_FILL_LEFT ::
|
| - * This is identical to @FT_ORIENTATION_POSTSCRIPT, but is used to
|
| - * remember that in PostScript, everything that is to the left of
|
| - * the drawing direction of a contour must be filled.
|
| - *
|
| - * FT_ORIENTATION_NONE ::
|
| - * The orientation cannot be determined. That is, different parts of
|
| - * the glyph have different orientation.
|
| - *
|
| - */
|
| - typedef enum FT_Orientation_
|
| - {
|
| - FT_ORIENTATION_TRUETYPE = 0,
|
| - FT_ORIENTATION_POSTSCRIPT = 1,
|
| - FT_ORIENTATION_FILL_RIGHT = FT_ORIENTATION_TRUETYPE,
|
| - FT_ORIENTATION_FILL_LEFT = FT_ORIENTATION_POSTSCRIPT,
|
| - FT_ORIENTATION_NONE
|
| -
|
| - } FT_Orientation;
|
| -
|
| -
|
| - /**************************************************************************
|
| - *
|
| - * @function:
|
| - * FT_Outline_Get_Orientation
|
| - *
|
| - * @description:
|
| - * This function analyzes a glyph outline and tries to compute its
|
| - * fill orientation (see @FT_Orientation). This is done by integrating
|
| - * the total area covered by the outline. The positive integral
|
| - * corresponds to the clockwise orientation and @FT_ORIENTATION_POSTSCRIPT
|
| - * is returned. The negative integral corresponds to the counter-clockwise
|
| - * orientation and @FT_ORIENTATION_TRUETYPE is returned.
|
| - *
|
| - * Note that this will return @FT_ORIENTATION_TRUETYPE for empty
|
| - * outlines.
|
| - *
|
| - * @input:
|
| - * outline ::
|
| - * A handle to the source outline.
|
| - *
|
| - * @return:
|
| - * The orientation.
|
| - *
|
| - */
|
| - FT_EXPORT( FT_Orientation )
|
| - FT_Outline_Get_Orientation( FT_Outline* outline );
|
| -
|
| - /* */
|
| -
|
| -
|
| -FT_END_HEADER
|
| -
|
| -#endif /* __FTOUTLN_H__ */
|
| -
|
| -
|
| -/* END */
|
| -
|
| -
|
| -/* Local Variables: */
|
| -/* coding: utf-8 */
|
| -/* End: */
|
|
|
Chromium Code Reviews
Issue 1413673003:
Update bundled freetype to 2.6.1 (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@master