diff options
Diffstat (limited to 'src/3rdparty/freetype/include/freetype/ftoutln.h')
| -rw-r--r-- | src/3rdparty/freetype/include/freetype/ftoutln.h | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/src/3rdparty/freetype/include/freetype/ftoutln.h b/src/3rdparty/freetype/include/freetype/ftoutln.h index b72327b703..f9329ca40c 100644 --- a/src/3rdparty/freetype/include/freetype/ftoutln.h +++ b/src/3rdparty/freetype/include/freetype/ftoutln.h @@ -5,7 +5,7 @@ * Support for the FT_Outline type used to store glyph shapes of * most scalable font formats (specification). * - * Copyright (C) 1996-2019 by + * Copyright (C) 1996-2023 by * David Turner, Robert Wilhelm, and Werner Lemberg. * * This file is part of the FreeType project, and may only be used, @@ -21,8 +21,7 @@ #define FTOUTLN_H_ -#include <ft2build.h> -#include FT_FREETYPE_H +#include <freetype/freetype.h> #ifdef FREETYPE_H #error "freetype.h of FreeType 1 has been loaded!" @@ -110,14 +109,16 @@ FT_BEGIN_HEADER * 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). + * Degenerate contours, segments, and Bezier arcs may be reported. In + * most cases, it is best to filter these out before using the outline + * for stroking or other path modification purposes (which may cause + * degenerate segments to become non-degenrate and visible, like when + * stroke caps are used or the path is otherwise outset). Some glyph + * outlines may contain deliberate degenerate single points for mark + * attachement. * * Similarly, the function returns success for an empty outline also - * (doing nothing, this is, not calling any emitter); if necessary, you + * (doing nothing, that is, not calling any emitter); if necessary, you * should filter this out, too. */ FT_EXPORT( FT_Error ) @@ -483,19 +484,13 @@ FT_BEGIN_HEADER * FreeType error code. 0~means success. * * @note: - * This advanced function uses @FT_Raster_Params as an argument, - * allowing FreeType rasterizer to be used for direct composition, - * translucency, etc. You should know how to set up @FT_Raster_Params - * for this function to work. - * + * This advanced function uses @FT_Raster_Params as an argument. * 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. + * actually ignored. Either `params.target` must point to preallocated + * bitmap, or @FT_RASTER_FLAG_DIRECT must be set in `params.flags` + * allowing FreeType rasterizer to be used for direct composition, + * translucency, etc. See @FT_Raster_Params for more details. */ FT_EXPORT( FT_Error ) FT_Outline_Render( FT_Library library, |