|
|
|
|
@ -250,34 +250,10 @@ |
|
|
|
|
/* defined by the points `contours[0]+1' to */ |
|
|
|
|
/* `contours[1]', etc. */ |
|
|
|
|
/* */ |
|
|
|
|
/* owner :: This flag is a boolean which is set whenever the */ |
|
|
|
|
/* outline structure/object owns the arrays it */ |
|
|
|
|
/* refers to in the fields `points', `flags', and */ |
|
|
|
|
/* `contours'. */ |
|
|
|
|
/* */ |
|
|
|
|
/* high_precision :: This flag is set automatically by the FreeType */ |
|
|
|
|
/* library. It indicates that the scan-line */ |
|
|
|
|
/* converter should use a higher precision when */ |
|
|
|
|
/* rendering the outline. This is useful at small */ |
|
|
|
|
/* pixel sizes to get adequate results, though at */ |
|
|
|
|
/* the price of slower rendering. Don't try to */ |
|
|
|
|
/* render large outlines with this flag set. Note */ |
|
|
|
|
/* that it may be ignored in later implementations. */ |
|
|
|
|
/* */ |
|
|
|
|
/* second_pass :: A boolean which is set when the scan-line */ |
|
|
|
|
/* converter should perform a second pass to */ |
|
|
|
|
/* eliminate vertical drop-outs (only vertical */ |
|
|
|
|
/* drop-outs are checked on the first pass). This */ |
|
|
|
|
/* field may be ignored by later implementations. */ |
|
|
|
|
/* */ |
|
|
|
|
/* dropout_mode :: Specifies the drop-out control mode to use while */ |
|
|
|
|
/* rendering an outline. Valid values are 0 (no */ |
|
|
|
|
/* drop out check), 1, 2, 4, and 5. See the */ |
|
|
|
|
/* TrueType specification for more details. A */ |
|
|
|
|
/* value of 2 is usually an excellent generic */ |
|
|
|
|
/* choice. This field may be ignored by some */ |
|
|
|
|
/* raster implementations. */ |
|
|
|
|
/* */ |
|
|
|
|
/* outline_flags :: a set of bit flags used to characterize the */ |
|
|
|
|
/* outline and give hints to the scan-converter */ |
|
|
|
|
/* and hinter on how to convert/grid-fit it.. */ |
|
|
|
|
/* see FT_Outline_Flags.. */ |
|
|
|
|
/* */ |
|
|
|
|
typedef struct FT_Outline_ |
|
|
|
|
{ |
|
|
|
|
@ -288,14 +264,70 @@ |
|
|
|
|
char* flags; /* the points flags */ |
|
|
|
|
short* contours; /* the contour end points */ |
|
|
|
|
|
|
|
|
|
char owner; /* the outline owns the coordinates, */ |
|
|
|
|
/* flags, and contours array it uses */ |
|
|
|
|
int outline_flags; /* outline masks */ |
|
|
|
|
|
|
|
|
|
} FT_Outline; |
|
|
|
|
|
|
|
|
|
char high_precision; /* high precision rendering */ |
|
|
|
|
char second_pass; /* two sweeps rendering */ |
|
|
|
|
char dropout_mode; /* dropout mode */ |
|
|
|
|
/*************************************************************************/ |
|
|
|
|
/* */ |
|
|
|
|
/* <Enum> */ |
|
|
|
|
/* FT_Outline_Flags */ |
|
|
|
|
/* */ |
|
|
|
|
/* <Description> */ |
|
|
|
|
/* A simple type used to enumerates the flags in an outline's */ |
|
|
|
|
/* "outline_flags" field. */ |
|
|
|
|
/* */ |
|
|
|
|
/* <Fields> */ |
|
|
|
|
/* ft_outline_owner :: */ |
|
|
|
|
/* when set, this flag indicates that the outline's field arrays */ |
|
|
|
|
/* (i.e. "points", "flags" & "contours") are "owned" by the */ |
|
|
|
|
/* outline object, and should thus be freed when it is destroyed. */ |
|
|
|
|
/* */ |
|
|
|
|
/* ft_outline_even_odd_fill :: */ |
|
|
|
|
/* by default, outlines are filled using the non-zero winding */ |
|
|
|
|
/* rule. When set to 1, the outline will be filled using the */ |
|
|
|
|
/* even-odd fill rule.. (XXX: unimplemented) */ |
|
|
|
|
/* */ |
|
|
|
|
/* ft_outline_reverse_fill :: */ |
|
|
|
|
/* By default, outside contours of an outline are oriented in */ |
|
|
|
|
/* clock-wise direction, as defined in the TrueType specification. */ |
|
|
|
|
/* This flag is set when the outline uses the opposite direction, */ |
|
|
|
|
/* (typically for Type 1 fonts). This flag is ignored by the */ |
|
|
|
|
/* scan-converter. However, it is very important for the */ |
|
|
|
|
/* auto-hinter.. */ |
|
|
|
|
/* */ |
|
|
|
|
/* ft_outline_ignore_dropouts :: */ |
|
|
|
|
/* By default, the scan converter will try to detect drop-outs */ |
|
|
|
|
/* in an outline and correct the glyph bitmap to ensure consistent */ |
|
|
|
|
/* shape continuity. When set, this flag hints the scan-line */ |
|
|
|
|
/* converter to ignore such cases. */ |
|
|
|
|
/* */ |
|
|
|
|
/* ft_outline_high_precision :: */ |
|
|
|
|
/* this flag indicates that the scan-line converter should try */ |
|
|
|
|
/* to convert this outline to bitmaps with the highest possible */ |
|
|
|
|
/* quality. It is typically set for small character sizes. Note */ |
|
|
|
|
/* that this is only a hint, that might be completely ignored */ |
|
|
|
|
/* by a given scan-converter. */ |
|
|
|
|
/* */ |
|
|
|
|
/* ft_outline_single_pass :: */ |
|
|
|
|
/* this flag is set to force a given scan-converter to only */ |
|
|
|
|
/* use a single pass over the outline to render a bitmap glyph */ |
|
|
|
|
/* image. Normally, it is set for very large character sizes. */ |
|
|
|
|
/* It is only a hint, that might be completely ignored by a */ |
|
|
|
|
/* given scan-converter. */ |
|
|
|
|
/* */ |
|
|
|
|
typedef enum FT_Outline_Flags_ |
|
|
|
|
{ |
|
|
|
|
ft_outline_none = 0, |
|
|
|
|
ft_outline_owner = 1, |
|
|
|
|
ft_outline_even_odd_fill = 2, |
|
|
|
|
ft_outline_reverse_fill = 4, |
|
|
|
|
ft_outline_ignore_dropouts = 8, |
|
|
|
|
ft_outline_high_precision = 256, |
|
|
|
|
ft_outline_single_pass = 512 |
|
|
|
|
|
|
|
|
|
} FT_Outline_Flags; |
|
|
|
|
|
|
|
|
|
} FT_Outline; |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#define FT_CURVE_TAG( flag ) (flag & 3) |
|
|
|
|
|
David Turner
25 years ago