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Code Issues 4 Releases Wiki Activity

Replace '1/64th' (and similar entries) with '1/64' in docs and comments.

This commit is contained in:
Werner Lemberg 2022-10-24 06:59:45 +02:00
parent 05e1b37e3d
commit dea2e6358b
9 changed files with 20 additions and 20 deletions
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2
docs/raster.txt
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@ -63,7 +63,7 @@ II. Rendering Technology
`26.6' means that 26 bits are used for the integer part of a
value and 6 bits are used for the fractional part.
Consequently, the `distance' between two neighbouring pixels is
64 `units' (1 unit = 1/64th of a pixel).
64 `units' (1 unit = 1/64 of a pixel).
Note that, for the rasterizer, pixel centers are located at
integer coordinates. The TrueType bytecode interpreter,

2
include/freetype/ftcache.h
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@ -424,7 +424,7 @@ FT_BEGIN_HEADER
* pixel ::
* A Boolean. If 1, the `width` and `height` fields are interpreted as
* integer pixel character sizes. Otherwise, they are expressed as
* 1/64th of points.
* 1/64 of points.
*
* x_res ::
* Only used when `pixel` is value~0 to indicate the horizontal

4
include/freetype/ftglyph.h
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@ -413,7 +413,7 @@ FT_BEGIN_HEADER
*
* delta ::
* A pointer to a 2d vector to apply. Coordinates are expressed in
* 1/64th of a pixel.
* 1/64 of a pixel.
*
* @return:
* FreeType error code (if not 0, the glyph format is not scalable).
@ -500,7 +500,7 @@ FT_BEGIN_HEADER
* @output:
* acbox ::
* The glyph coordinate bounding box. Coordinates are expressed in
* 1/64th of pixels if it is grid-fitted.
* 1/64 of pixels if it is grid-fitted.
*
* @note:
* Coordinates are relative to the glyph origin, using the y~upwards

6
include/freetype/ftlcdfil.h
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@ -137,11 +137,11 @@ FT_BEGIN_HEADER
*
* FT_LCD_FILTER_DEFAULT ::
* This is a beveled, normalized, and color-balanced five-tap filter
* with weights of [0x08 0x4D 0x56 0x4D 0x08] in 1/256th units.
* with weights of [0x08 0x4D 0x56 0x4D 0x08] in 1/256 units.
*
* FT_LCD_FILTER_LIGHT ::
* this is a boxy, normalized, and color-balanced three-tap filter with
* weights of [0x00 0x55 0x56 0x55 0x00] in 1/256th units.
* weights of [0x00 0x55 0x56 0x55 0x00] in 1/256 units.
*
* FT_LCD_FILTER_LEGACY ::
* FT_LCD_FILTER_LEGACY1 ::
@ -226,7 +226,7 @@ FT_BEGIN_HEADER
*
* weights ::
* A pointer to an array; the function copies the first five bytes and
* uses them to specify the filter weights in 1/256th units.
* uses them to specify the filter weights in 1/256 units.
*
* @return:
* FreeType error code. 0~means success.

2
include/freetype/ftpfr.h
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@ -161,7 +161,7 @@ FT_BEGIN_HEADER
*
* @note:
* You can use the `x_scale` or `y_scale` results of @FT_Get_PFR_Metrics
* to convert the advance to device subpixels (i.e., 1/64th of pixels).
* to convert the advance to device subpixels (i.e., 1/64 of pixels).
*/
FT_EXPORT( FT_Error )
FT_Get_PFR_Advance( FT_Face face,

4
include/freetype/internal/pshints.h
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@ -294,7 +294,7 @@ FT_BEGIN_HEADER
*
* @note:
* On input, all points within the outline are in font coordinates. On
* output, they are in 1/64th of pixels.
* output, they are in 1/64 of pixels.
*
* The scaling transformation is taken from the 'globals' object which
* must correspond to the same font as the glyph.
@ -607,7 +607,7 @@ FT_BEGIN_HEADER
*
* @note:
* On input, all points within the outline are in font coordinates. On
* output, they are in 1/64th of pixels.
* output, they are in 1/64 of pixels.
*
* The scaling transformation is taken from the 'globals' object which
* must correspond to the same font than the glyph.

4
include/freetype/tttables.h
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@ -424,8 +424,8 @@ FT_BEGIN_HEADER
/* only version 5 and higher: */
FT_UShort usLowerOpticalPointSize; /* in twips (1/20th points) */
FT_UShort usUpperOpticalPointSize; /* in twips (1/20th points) */
FT_UShort usLowerOpticalPointSize; /* in twips (1/20 points) */
FT_UShort usUpperOpticalPointSize; /* in twips (1/20 points) */
} TT_OS2;

14
src/autofit/aftypes.h
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@ -119,13 +119,13 @@ extern void* _af_debug_hints;
typedef struct AF_ScalerRec_
{
FT_Face face; /* source font face */
FT_Fixed x_scale; /* from font units to 1/64th device pixels */
FT_Fixed y_scale; /* from font units to 1/64th device pixels */
FT_Pos x_delta; /* in 1/64th device pixels */
FT_Pos y_delta; /* in 1/64th device pixels */
FT_Render_Mode render_mode; /* monochrome, anti-aliased, LCD, etc. */
FT_UInt32 flags; /* additional control flags, see above */
FT_Face face; /* source font face */
FT_Fixed x_scale; /* from font units to 1/64 device pixels */
FT_Fixed y_scale; /* from font units to 1/64 device pixels */
FT_Pos x_delta; /* in 1/64 device pixels */
FT_Pos y_delta; /* in 1/64 device pixels */
FT_Render_Mode render_mode; /* monochrome, anti-aliased, LCD, etc. */
FT_UInt32 flags; /* additional control flags, see above */
} AF_ScalerRec, *AF_Scaler;

2
src/sdf/ftsdf.c
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@ -1293,7 +1293,7 @@
/* Calculate the number of necessary bisections. Each */
/* bisection causes a four-fold reduction of the deviation, */
/* hence we bisect the Bezier curve until the deviation */
/* becomes less than 1/8th of a pixel. For more details */
/* becomes less than 1/8 of a pixel. For more details */
/* check file `ftgrays.c`. */
num_splits = 1;
while ( dx > ONE_PIXEL / 8 )