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s/fixed point/fixed-point/

This commit is contained in:
Werner Lemberg 2022-06-21 17:08:04 +02:00
parent 40c6f97326
commit 2848378be5
12 changed files with 23 additions and 23 deletions
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4
docs/oldlogs/ChangeLog.210
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@ -2411,9 +2411,9 @@
units per em (e.g. Inter). This patch fixes it.
The return value of af_loader_compute_darkening was also changed to
use 16.16 fixed point to get rid of a redundant truncation operation.
use 16.16 fixed-point to get rid of a redundant truncation operation.
This should slightly improve the precision, although it's still
bottlenecked by the emboldening function, which uses 26.6 fixed point.
bottlenecked by the emboldening function, which uses 26.6 fixed-point.
* src/autofit/afloader.[ch]
(af_loader_compute_darkening): Return FT_Fixed.

2
docs/oldlogs/ChangeLog.24
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@ -707,7 +707,7 @@
[base] Fix integer overflow.
* src/base/ftoutln.c (FT_Outline_EmboldenXY): Normalize incoming and
outgoing vectors and use fixed point arithmetic.
outgoing vectors and use fixed-point arithmetic.
2013-01-23 Alexei Podtelezhnikov <apodtele@gmail.com>

2
include/freetype/ftstroke.h
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@ -293,7 +293,7 @@ FT_BEGIN_HEADER
*
* miter_limit ::
* The maximum reciprocal sine of half-angle at the miter join,
* expressed as 16.16 fixed point value.
* expressed as 16.16 fixed-point value.
*
* @note:
* The `radius` is expressed in the same units as the outline

2
include/freetype/internal/cfftypes.h
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@ -315,7 +315,7 @@ FT_BEGIN_HEADER
/* The normal stack then points to these values instead of the DICT */
/* because all other operators in Private DICT clear the stack. */
/* `blend_stack' could be cleared at each operator other than blend. */
/* Blended values are stored as 5-byte fixed point values. */
/* Blended values are stored as 5-byte fixed-point values. */
FT_Byte* blend_stack; /* base of stack allocation */
FT_Byte* blend_top; /* first empty slot */

6
src/cff/cffload.c
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@ -1288,7 +1288,7 @@
/* Blended values are written to a different buffer, */
/* using reserved operator 255. */
/* */
/* Blend calculation is done in 16.16 fixed point. */
/* Blend calculation is done in 16.16 fixed-point. */
FT_LOCAL_DEF( FT_Error )
cff_blend_doBlend( CFF_SubFont subFont,
CFF_Parser parser,
@ -1364,7 +1364,7 @@
FT_UInt32 sum;
/* convert inputs to 16.16 fixed point */
/* convert inputs to 16.16 fixed-point */
sum = cff_parse_num( parser, &parser->stack[i + base] ) * 0x10000;
for ( j = 1; j < blend->lenBV; j++ )
@ -1373,7 +1373,7 @@
/* point parser stack to new value on blend_stack */
parser->stack[i + base] = subFont->blend_top;
/* Push blended result as Type 2 5-byte fixed point number. This */
/* Push blended result as Type 2 5-byte fixed-point number. This */
/* will not conflict with actual DICTs because 255 is a reserved */
/* opcode in both CFF and CFF2 DICTs. See `cff_parse_num' for */
/* decode of this, which rounds to an integer. */

2
src/cff/cffparse.c
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@ -530,7 +530,7 @@
else if ( **d == 255 )
{
/* 16.16 fixed point is used internally for CFF2 blend results. */
/* 16.16 fixed-point is used internally for CFF2 blend results. */
/* Since these are trusted values, a limit check is not needed. */
/* After the 255, 4 bytes give the number. */

6
src/psaux/psfixed.h
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@ -2,7 +2,7 @@
*
* psfixed.h
*
* Adobe's code for Fixed Point Mathematics (specification only).
* Adobe's code for Fixed-Point Mathematics (specification only).
*
* Copyright 2007-2013 Adobe Systems Incorporated.
*
@ -43,10 +43,10 @@
FT_BEGIN_HEADER
/* rasterizer integer and fixed point arithmetic must be 32-bit */
/* rasterizer integer and fixed-point arithmetic must be 32-bit */
#define CF2_Fixed CF2_F16Dot16
typedef FT_Int32 CF2_Frac; /* 2.30 fixed point */
typedef FT_Int32 CF2_Frac; /* 2.30 fixed-point */
#define CF2_FIXED_MAX ( (CF2_Fixed)0x7FFFFFFFL )

2
src/psaux/psglue.h
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@ -72,7 +72,7 @@ FT_BEGIN_HEADER
} CF2_PathOp;
/* a matrix of fixed point values */
/* a matrix of fixed-point values */
typedef struct CF2_Matrix_
{
CF2_F16Dot16 a;

4
src/psaux/psstack.h
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@ -49,8 +49,8 @@ FT_BEGIN_HEADER
{
union
{
CF2_Fixed r; /* 16.16 fixed point */
CF2_Frac f; /* 2.30 fixed point (for font matrix) */
CF2_Fixed r; /* 16.16 fixed-point */
CF2_Frac f; /* 2.30 fixed-point (for font matrix) */
CF2_Int i;
} u;

4
src/sdf/ftsdf.c
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@ -1939,7 +1939,7 @@
/* now factor is 16.16 */
factor = FT_DivFix( factor, sq_line_length );
/* clamp the factor between 0.0 and 1.0 in fixed point */
/* clamp the factor between 0.0 and 1.0 in fixed-point */
if ( factor > FT_INT_16D16( 1 ) )
factor = FT_INT_16D16( 1 );
if ( factor < 0 )
@ -3164,7 +3164,7 @@
if ( min_dist.distance > sp_sq )
min_dist.distance = sp_sq;
/* square_root the values and fit in a 6.10 fixed point */
/* square_root the values and fit in a 6.10 fixed-point */
if ( USE_SQUARED_DISTANCES )
min_dist.distance = square_root( min_dist.distance );

6
src/sdf/ftsdfcommon.c
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@ -33,7 +33,7 @@
*
* https://github.com/chmike/fpsqrt
*
* Use this to compute the square root of a 16.16 fixed point number.
* Use this to compute the square root of a 16.16 fixed-point number.
*/
FT_LOCAL_DEF( FT_16D16 )
square_root( FT_16D16 val )
@ -72,8 +72,8 @@
*/
/*
* Convert 16.16 fixed point values to the desired output format.
* In this case we reduce 16.16 fixed point values to normalized
* Convert 16.16 fixed-point values to the desired output format.
* In this case we reduce 16.16 fixed-point values to normalized
* 8-bit values.
*
* The `max_value` in the parameter is the maximum value in the

6
src/sfnt/sfdriver.c
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@ -657,7 +657,7 @@
/*
* Find the shortest decimal representation of a 16.16 fixed point
* Find the shortest decimal representation of a 16.16 fixed-point
* number. The function fills `buf' with the result, returning a pointer
* to the position after the representation's last byte.
*/
@ -733,7 +733,7 @@
an equivalent representation of `fixed'.
The above FOR loop always finds the larger of the two values; I
verified this by iterating over all possible fixed point numbers.
verified this by iterating over all possible fixed-point numbers.
If the remainder is 17232*10, both values are equally good, and we
take the next even number (following IEEE 754's `round to nearest,
@ -741,7 +741,7 @@
If the remainder is smaller than 17232*10, the lower of the two
numbers is nearer to the exact result (values 17232 and 34480 were
also found by testing all possible fixed point values).
also found by testing all possible fixed-point values).
We use this to find a shorter decimal representation. If not ending
with digit zero, we take the representation with less error.