s/sub-pixel/subpixel/.

This commit is contained in:
Werner Lemberg 2018-02-17 10:34:47 +01:00
parent 4a03f17449
commit 63aaf89cec
9 changed files with 20 additions and 20 deletions

View File

@ -6995,7 +6995,7 @@
2002-09-08 David Turner <david@freetype.org> 2002-09-08 David Turner <david@freetype.org>
Various updates to correctly support sub-pixel rendering. Various updates to correctly support subpixel rendering.
* include/freetype/config/ftmodule.h: Add two renderers for LCD. * include/freetype/config/ftmodule.h: Add two renderers for LCD.

View File

@ -744,7 +744,7 @@
2013-01-16 David 'Digit' Turner <digit@google.com> 2013-01-16 David 'Digit' Turner <digit@google.com>
[truetype] Improve sub-pixel code. [truetype] Improve subpixel code.
This patches fixes many issues with the ttsubpix implementation. This patches fixes many issues with the ttsubpix implementation.

View File

@ -286,7 +286,7 @@ CHANGES BETWEEN 2.7.1 and 2.8
- FT_LOAD_TARGET_LCD is now a variant of FT_LOAD_TARGET_LIGHT; - FT_LOAD_TARGET_LCD is now a variant of FT_LOAD_TARGET_LIGHT;
this should provide better rendering results. this should provide better rendering results.
- A mode to display light auto-hinting with sub-pixel positioning - A mode to display light auto-hinting with subpixel positioning
has been added to `ftdiff'. has been added to `ftdiff'.
@ -616,8 +616,8 @@ CHANGES BETWEEN 2.6.1 and 2.6.2
- The smooth renderer has been made faster. - The smooth renderer has been made faster.
- The `ftstring' demo program now supports sub-pixel rendering; - The `ftstring' demo program now supports subpixel rendering; use
use key `l' to cycle through the LCD modes. key `l' to cycle through the LCD modes.
- The `ftstring' demo program now supports colour rendering; use - The `ftstring' demo program now supports colour rendering; use
the `space' key to cycle through various colour combinations. the `space' key to cycle through various colour combinations.
@ -3055,12 +3055,12 @@ CHANGES BETWEEN 2.1.3 and 2.1.2
FT_LOAD_TARGET_MONO :: Hint and render for 1-bit displays. FT_LOAD_TARGET_MONO :: Hint and render for 1-bit displays.
FT_LOAD_TARGET_LCD :: Hint and render for horizontal RGB or FT_LOAD_TARGET_LCD :: Hint and render for horizontal RGB or
BGR sub-pixel displays (like LCD BGR subpixel displays (like LCD
screens). THIS IS STILL screens). THIS IS STILL
EXPERIMENTAL! EXPERIMENTAL!
FT_LOAD_TARGET_LCD_V :: Same as FT_LOAD_TARGET_LCD, for FT_LOAD_TARGET_LCD_V :: Same as FT_LOAD_TARGET_LCD, for
vertical sub-pixel displays (like vertical subpixel displays (like
rotated LCD screens). THIS IS STILL rotated LCD screens). THIS IS STILL
EXPERIMENTAL! EXPERIMENTAL!

View File

@ -3065,7 +3065,7 @@ FT_BEGIN_HEADER
* *
* Advance widths are rounded to integer values; however, using the * Advance widths are rounded to integer values; however, using the
* `lsb_delta' and `rsb_delta' fields of @FT_GlyphSlotRec, it is * `lsb_delta' and `rsb_delta' fields of @FT_GlyphSlotRec, it is
* possible to get fractional advance widths for sub-pixel positioning * possible to get fractional advance widths for subpixel positioning
* (which is recommended to use). * (which is recommended to use).
* *
* If configuration option AF_CONFIG_OPTION_TT_SIZE_METRICS is active, * If configuration option AF_CONFIG_OPTION_TT_SIZE_METRICS is active,
@ -3204,13 +3204,13 @@ FT_BEGIN_HEADER
/* opacity). */ /* opacity). */
/* */ /* */
/* FT_RENDER_MODE_LCD :: */ /* FT_RENDER_MODE_LCD :: */
/* This mode corresponds to horizontal RGB and BGR sub-pixel */ /* This mode corresponds to horizontal RGB and BGR subpixel */
/* displays like LCD screens. It produces 8-bit bitmaps that are */ /* displays like LCD screens. It produces 8-bit bitmaps that are */
/* 3~times the width of the original glyph outline in pixels, and */ /* 3~times the width of the original glyph outline in pixels, and */
/* which use the @FT_PIXEL_MODE_LCD mode. */ /* which use the @FT_PIXEL_MODE_LCD mode. */
/* */ /* */
/* FT_RENDER_MODE_LCD_V :: */ /* FT_RENDER_MODE_LCD_V :: */
/* This mode corresponds to vertical RGB and BGR sub-pixel displays */ /* This mode corresponds to vertical RGB and BGR subpixel displays */
/* (like PDA screens, rotated LCD displays, etc.). It produces */ /* (like PDA screens, rotated LCD displays, etc.). It produces */
/* 8-bit bitmaps that are 3~times the height of the original */ /* 8-bit bitmaps that are 3~times the height of the original */
/* glyph outline in pixels and use the @FT_PIXEL_MODE_LCD_V mode. */ /* glyph outline in pixels and use the @FT_PIXEL_MODE_LCD_V mode. */

View File

@ -111,9 +111,9 @@ FT_BEGIN_HEADER
* *
* One of the reasons to not hint horizontally is antialiasing for LCD * One of the reasons to not hint horizontally is antialiasing for LCD
* screens: The pixel geometry of modern displays supplies three * screens: The pixel geometry of modern displays supplies three
* vertical sub-pixels as the eye moves horizontally across each visible * vertical subpixels as the eye moves horizontally across each visible
* pixel. On devices where we can be certain this characteristic is * pixel. On devices where we can be certain this characteristic is
* present a rasterizer can take advantage of the sub-pixels to add * present a rasterizer can take advantage of the subpixels to add
* increments of weight. In Western writing systems this turns out to * increments of weight. In Western writing systems this turns out to
* be the more critical direction anyway; the weights and spacing of * be the more critical direction anyway; the weights and spacing of
* vertical stems (see above) are central to Armenian, Cyrillic, Greek, * vertical stems (see above) are central to Armenian, Cyrillic, Greek,

View File

@ -71,7 +71,7 @@ FT_BEGIN_HEADER
* *
* ametrics_x_scale :: * ametrics_x_scale ::
* A 16.16 fixed-point number used to scale distance expressed * A 16.16 fixed-point number used to scale distance expressed
* in metrics units to device sub-pixels. This is equivalent to * in metrics units to device subpixels. This is equivalent to
* `face->size->x_scale', but for metrics only. Optional (parameter * `face->size->x_scale', but for metrics only. Optional (parameter
* can be NULL). * can be NULL).
* *
@ -123,7 +123,7 @@ FT_BEGIN_HEADER
* mode, which always returns distances converted to outline units. * mode, which always returns distances converted to outline units.
* *
* You can use the value of the `x_scale' and `y_scale' parameters * You can use the value of the `x_scale' and `y_scale' parameters
* returned by @FT_Get_PFR_Metrics to scale these to device sub-pixels. * returned by @FT_Get_PFR_Metrics to scale these to device subpixels.
*/ */
FT_EXPORT( FT_Error ) FT_EXPORT( FT_Error )
FT_Get_PFR_Kerning( FT_Face face, FT_Get_PFR_Kerning( FT_Face face,
@ -154,7 +154,7 @@ FT_BEGIN_HEADER
* *
* @note: * @note:
* You can use the `x_scale' or `y_scale' results of @FT_Get_PFR_Metrics * You can use the `x_scale' or `y_scale' results of @FT_Get_PFR_Metrics
* to convert the advance to device sub-pixels (i.e., 1/64th of pixels). * to convert the advance to device subpixels (i.e., 1/64th of pixels).
*/ */
FT_EXPORT( FT_Error ) FT_EXPORT( FT_Error )
FT_Get_PFR_Advance( FT_Face face, FT_Get_PFR_Advance( FT_Face face,

View File

@ -76,9 +76,9 @@ extern void* _af_debug_hints;
typedef struct AF_WidthRec_ typedef struct AF_WidthRec_
{ {
FT_Pos org; /* original position/width in font units */ FT_Pos org; /* original position/width in font units */
FT_Pos cur; /* current/scaled position/width in device sub-pixels */ FT_Pos cur; /* current/scaled position/width in device subpixels */
FT_Pos fit; /* current/fitted position/width in device sub-pixels */ FT_Pos fit; /* current/fitted position/width in device subpixels */
} AF_WidthRec, *AF_Width; } AF_WidthRec, *AF_Width;

View File

@ -404,7 +404,7 @@ typedef ptrdiff_t FT_PtrDist;
/* need to define them to "float" or "double" when experimenting with */ /* need to define them to "float" or "double" when experimenting with */
/* new algorithms */ /* new algorithms */
typedef long TPos; /* sub-pixel coordinate */ typedef long TPos; /* subpixel coordinate */
typedef int TCoord; /* integer scanline/pixel coordinate */ typedef int TCoord; /* integer scanline/pixel coordinate */
typedef int TArea; /* cell areas, coordinate products */ typedef int TArea; /* cell areas, coordinate products */

View File

@ -1219,7 +1219,7 @@
* Theoretically, a glyph's bytecode can toggle ClearType's * Theoretically, a glyph's bytecode can toggle ClearType's
* `backward compatibility' mode, which would allow modification * `backward compatibility' mode, which would allow modification
* of the advance width. In reality, however, applications * of the advance width. In reality, however, applications
* neither allow nor expect modified advance widths if sub-pixel * neither allow nor expect modified advance widths if subpixel
* rendering is active. * rendering is active.
* *
*/ */