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Unified Diff: third_party/freetype/include/ftimage.h

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Adjust GYP and GN Created 6 years ago
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Index: third_party/freetype/include/ftimage.h
diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftimage.h b/third_party/freetype/include/ftimage.h
similarity index 88%
rename from core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftimage.h
rename to third_party/freetype/include/ftimage.h
index 401cb38633aa33f0585be50b8cece4baca63e1bc..2f7ca2aaf55bd2cbe84da27fcf469cf7633fe6bb 100644
--- a/core/src/fxge/fx_freetype/fxft2.5.01/include/freetype/ftimage.h
+++ b/third_party/freetype/include/ftimage.h
@@ -5,7 +5,7 @@
/* FreeType glyph image formats and default raster interface */
/* (specification). */
/* */
-/* Copyright 1996-2010, 2013 by */
+/* Copyright 1996-2010, 2013, 2014 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -30,7 +30,7 @@
/* _STANDALONE_ is from ftgrays.c */
#ifndef _STANDALONE_
-#include "../ft2build.h"
+#include <ft2build.h>
#endif
@@ -193,67 +193,14 @@ FT_BEGIN_HEADER
} FT_Pixel_Mode;
- /*************************************************************************/
- /* */
- /* <Enum> */
- /* ft_pixel_mode_xxx */
- /* */
- /* <Description> */
- /* A list of deprecated constants. Use the corresponding */
- /* @FT_Pixel_Mode values instead. */
- /* */
- /* <Values> */
- /* ft_pixel_mode_none :: See @FT_PIXEL_MODE_NONE. */
- /* ft_pixel_mode_mono :: See @FT_PIXEL_MODE_MONO. */
- /* ft_pixel_mode_grays :: See @FT_PIXEL_MODE_GRAY. */
- /* ft_pixel_mode_pal2 :: See @FT_PIXEL_MODE_GRAY2. */
- /* ft_pixel_mode_pal4 :: See @FT_PIXEL_MODE_GRAY4. */
- /* */
+ /* these constants are deprecated; use the corresponding `FT_Pixel_Mode' */
+ /* values instead. */
#define ft_pixel_mode_none FT_PIXEL_MODE_NONE
#define ft_pixel_mode_mono FT_PIXEL_MODE_MONO
#define ft_pixel_mode_grays FT_PIXEL_MODE_GRAY
#define ft_pixel_mode_pal2 FT_PIXEL_MODE_GRAY2
#define ft_pixel_mode_pal4 FT_PIXEL_MODE_GRAY4
- /* */
-
-#if 0
-
- /*************************************************************************/
- /* */
- /* <Enum> */
- /* FT_Palette_Mode */
- /* */
- /* <Description> */
- /* THIS TYPE IS DEPRECATED. DO NOT USE IT! */
- /* */
- /* An enumeration type to describe the format of a bitmap palette, */
- /* used with ft_pixel_mode_pal4 and ft_pixel_mode_pal8. */
- /* */
- /* <Values> */
- /* ft_palette_mode_rgb :: The palette is an array of 3-byte RGB */
- /* records. */
- /* */
- /* ft_palette_mode_rgba :: The palette is an array of 4-byte RGBA */
- /* records. */
- /* */
- /* <Note> */
- /* As ft_pixel_mode_pal2, pal4 and pal8 are currently unused by */
- /* FreeType, these types are not handled by the library itself. */
- /* */
- typedef enum FT_Palette_Mode_
- {
- ft_palette_mode_rgb = 0,
- ft_palette_mode_rgba,
-
- ft_palette_mode_max /* do not remove */
-
- } FT_Palette_Mode;
-
- /* */
-
-#endif
-
/*************************************************************************/
/* */
@@ -318,13 +265,13 @@ FT_BEGIN_HEADER
/* */
typedef struct FT_Bitmap_
{
- int rows;
- int width;
+ unsigned int rows;
+ unsigned int width;
int pitch;
unsigned char* buffer;
- short num_grays;
- char pixel_mode;
- char palette_mode;
+ unsigned short num_grays;
+ unsigned char pixel_mode;
+ unsigned char palette_mode;
void* palette;
} FT_Bitmap;
@@ -381,7 +328,7 @@ FT_BEGIN_HEADER
/* */
/* 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. */
+ /* how to convert/grid-fit it. See @FT_OUTLINE_XXX. */
/* */
/* <Note> */
/* The B/W rasterizer only checks bit~2 in the `tags' array for the */
@@ -402,6 +349,8 @@ FT_BEGIN_HEADER
} FT_Outline;
+ /* */
+
/* Following limits must be consistent with */
/* FT_Outline.{n_contours,n_points} */
#define FT_OUTLINE_CONTOURS_MAX SHRT_MAX
@@ -411,7 +360,7 @@ FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <Enum> */
- /* FT_OUTLINE_FLAGS */
+ /* FT_OUTLINE_XXX */
/* */
/* <Description> */
/* A list of bit-field constants use for the flags in an outline's */
@@ -492,24 +441,8 @@ FT_BEGIN_HEADER
#define FT_OUTLINE_SINGLE_PASS 0x200
- /*************************************************************************
- *
- * @enum:
- * ft_outline_flags
- *
- * @description:
- * These constants are deprecated. Please use the corresponding
- * @FT_OUTLINE_FLAGS values.
- *
- * @values:
- * ft_outline_none :: See @FT_OUTLINE_NONE.
- * ft_outline_owner :: See @FT_OUTLINE_OWNER.
- * ft_outline_even_odd_fill :: See @FT_OUTLINE_EVEN_ODD_FILL.
- * ft_outline_reverse_fill :: See @FT_OUTLINE_REVERSE_FILL.
- * ft_outline_ignore_dropouts :: See @FT_OUTLINE_IGNORE_DROPOUTS.
- * ft_outline_high_precision :: See @FT_OUTLINE_HIGH_PRECISION.
- * ft_outline_single_pass :: See @FT_OUTLINE_SINGLE_PASS.
- */
+ /* these constants are deprecated; use the corresponding */
+ /* `FT_OUTLINE_XXX' values instead */
#define ft_outline_none FT_OUTLINE_NONE
#define ft_outline_owner FT_OUTLINE_OWNER
#define ft_outline_even_odd_fill FT_OUTLINE_EVEN_ODD_FILL
@@ -555,7 +488,7 @@ FT_BEGIN_HEADER
/* <Input> */
/* to :: A pointer to the target point of the `move to'. */
/* */
- /* user :: A typeless pointer which is passed from the caller of the */
+ /* user :: A typeless pointer, which is passed from the caller of the */
/* decomposition function. */
/* */
/* <Return> */
@@ -582,7 +515,7 @@ FT_BEGIN_HEADER
/* <Input> */
/* to :: A pointer to the target point of the `line to'. */
/* */
- /* user :: A typeless pointer which is passed from the caller of the */
+ /* user :: A typeless pointer, which is passed from the caller of the */
/* decomposition function. */
/* */
/* <Return> */
@@ -613,7 +546,7 @@ FT_BEGIN_HEADER
/* */
/* to :: A pointer to the target end point of the conic arc. */
/* */
- /* user :: A typeless pointer which is passed from the caller of */
+ /* user :: A typeless pointer, which is passed from the caller of */
/* the decomposition function. */
/* */
/* <Return> */
@@ -645,7 +578,7 @@ FT_BEGIN_HEADER
/* */
/* to :: A pointer to the target end point. */
/* */
- /* user :: A typeless pointer which is passed from the caller of */
+ /* user :: A typeless pointer, which is passed from the caller of */
/* the decomposition function. */
/* */
/* <Return> */
@@ -796,22 +729,8 @@ FT_BEGIN_HEADER
} FT_Glyph_Format;
- /*************************************************************************/
- /* */
- /* <Enum> */
- /* ft_glyph_format_xxx */
- /* */
- /* <Description> */
- /* A list of deprecated constants. Use the corresponding */
- /* @FT_Glyph_Format values instead. */
- /* */
- /* <Values> */
- /* ft_glyph_format_none :: See @FT_GLYPH_FORMAT_NONE. */
- /* ft_glyph_format_composite :: See @FT_GLYPH_FORMAT_COMPOSITE. */
- /* ft_glyph_format_bitmap :: See @FT_GLYPH_FORMAT_BITMAP. */
- /* ft_glyph_format_outline :: See @FT_GLYPH_FORMAT_OUTLINE. */
- /* ft_glyph_format_plotter :: See @FT_GLYPH_FORMAT_PLOTTER. */
- /* */
+ /* these constants are deprecated; use the corresponding */
+ /* `FT_Glyph_Format' values instead. */
#define ft_glyph_format_none FT_GLYPH_FORMAT_NONE
#define ft_glyph_format_composite FT_GLYPH_FORMAT_COMPOSITE
#define ft_glyph_format_bitmap FT_GLYPH_FORMAT_BITMAP
@@ -836,8 +755,8 @@ FT_BEGIN_HEADER
/* a a bitmap. This section contains the public API for rasters. */
/* */
/* Note that in FreeType 2, all rasters are now encapsulated within */
- /* specific modules called `renderers'. See `freetype/ftrender.h' for */
- /* more details on renderers. */
+ /* specific modules called `renderers'. See `ftrender.h' for more */
+ /* details on renderers. */
/* */
/*************************************************************************/
@@ -856,6 +775,21 @@ FT_BEGIN_HEADER
/* <Description> */
/* This section contains technical definitions. */
/* */
+ /* <Order> */
+ /* FT_Raster */
+ /* FT_Span */
+ /* FT_SpanFunc */
+ /* */
+ /* FT_Raster_Params */
+ /* FT_RASTER_FLAG_XXX */
+ /* */
+ /* FT_Raster_NewFunc */
+ /* FT_Raster_DoneFunc */
+ /* FT_Raster_ResetFunc */
+ /* FT_Raster_SetModeFunc */
+ /* FT_Raster_RenderFunc */
+ /* FT_Raster_Funcs */
+ /* */
/*************************************************************************/
@@ -865,8 +799,8 @@ FT_BEGIN_HEADER
/* FT_Raster */
/* */
/* <Description> */
- /* A handle (pointer) to a raster object. Each object can be used */
- /* independently to convert an outline into a bitmap or pixmap. */
+ /* An opaque handle (pointer) to a raster object. Each object can be */
+ /* used independently to convert an outline into a bitmap or pixmap. */
/* */
typedef struct FT_RasterRec_* FT_Raster;
@@ -877,8 +811,8 @@ FT_BEGIN_HEADER
/* FT_Span */
/* */
/* <Description> */
- /* A structure used to model a single span of gray (or black) pixels */
- /* when rendering a monochrome or anti-aliased bitmap. */
+ /* A structure used to model a single span of gray pixels when */
+ /* rendering an anti-aliased bitmap. */
/* */
/* <Fields> */
/* x :: The span's horizontal start position. */
@@ -886,13 +820,12 @@ FT_BEGIN_HEADER
/* len :: The span's length in pixels. */
/* */
/* coverage :: The span color/coverage, ranging from 0 (background) */
- /* to 255 (foreground). Only used for anti-aliased */
- /* rendering. */
+ /* to 255 (foreground). */
/* */
/* <Note> */
/* This structure is used by the span drawing callback type named */
- /* @FT_SpanFunc which takes the y~coordinate of the span as a */
- /* a parameter. */
+ /* @FT_SpanFunc that takes the y~coordinate of the span as a */
+ /* parameter. */
/* */
/* The coverage value is always between 0 and 255. If you want less */
/* gray values, the callback function has to reduce them. */
@@ -957,22 +890,7 @@ FT_BEGIN_HEADER
/* FT_Raster_BitTest_Func */
/* */
/* <Description> */
- /* THIS TYPE IS DEPRECATED. DO NOT USE IT. */
- /* */
- /* A function used as a call-back by the monochrome scan-converter */
- /* to test whether a given target pixel is already set to the drawing */
- /* `color'. These tests are crucial to implement drop-out control */
- /* per-se the TrueType spec. */
- /* */
- /* <Input> */
- /* y :: The pixel's y~coordinate. */
- /* */
- /* x :: The pixel's x~coordinate. */
- /* */
- /* user :: User-supplied data that is passed to the callback. */
- /* */
- /* <Return> */
- /* 1~if the pixel is `set', 0~otherwise. */
+ /* Deprecated, unimplemented. */
/* */
typedef int
(*FT_Raster_BitTest_Func)( int y,
@@ -986,21 +904,7 @@ FT_BEGIN_HEADER
/* FT_Raster_BitSet_Func */
/* */
/* <Description> */
- /* THIS TYPE IS DEPRECATED. DO NOT USE IT. */
- /* */
- /* A function used as a call-back by the monochrome scan-converter */
- /* to set an individual target pixel. This is crucial to implement */
- /* drop-out control according to the TrueType specification. */
- /* */
- /* <Input> */
- /* y :: The pixel's y~coordinate. */
- /* */
- /* x :: The pixel's x~coordinate. */
- /* */
- /* user :: User-supplied data that is passed to the callback. */
- /* */
- /* <Return> */
- /* 1~if the pixel is `set', 0~otherwise. */
+ /* Deprecated, unimplemented. */
/* */
typedef void
(*FT_Raster_BitSet_Func)( int y,
@@ -1034,8 +938,8 @@ FT_BEGIN_HEADER
/* pixmap's buffer _must_ be zeroed before */
/* rendering. */
/* */
- /* Note that for now, direct rendering is */
- /* only possible with anti-aliased glyphs. */
+ /* Direct rendering is only possible with */
+ /* anti-aliased glyphs. */
/* */
/* FT_RASTER_FLAG_CLIP :: This flag is only used in direct */
/* rendering mode. If set, the output will */
@@ -1053,7 +957,8 @@ FT_BEGIN_HEADER
#define FT_RASTER_FLAG_DIRECT 0x2
#define FT_RASTER_FLAG_CLIP 0x4
- /* deprecated */
+ /* these constants are deprecated; use the corresponding */
+ /* `FT_RASTER_FLAG_XXX' values instead */
#define ft_raster_flag_default FT_RASTER_FLAG_DEFAULT
#define ft_raster_flag_aa FT_RASTER_FLAG_AA
#define ft_raster_flag_direct FT_RASTER_FLAG_DIRECT
@@ -1079,11 +984,11 @@ FT_BEGIN_HEADER
/* */
/* gray_spans :: The gray span drawing callback. */
/* */
- /* black_spans :: The black span drawing callback. UNIMPLEMENTED! */
+ /* black_spans :: Unused. */
/* */
- /* bit_test :: The bit test callback. UNIMPLEMENTED! */
+ /* bit_test :: Unused. */
/* */
- /* bit_set :: The bit set callback. UNIMPLEMENTED! */
+ /* bit_set :: Unused. */
/* */
/* user :: User-supplied data that is passed to each drawing */
/* callback. */
@@ -1100,15 +1005,9 @@ FT_BEGIN_HEADER
/* */
/* If the @FT_RASTER_FLAG_DIRECT bit flag is set in `flags', the */
/* raster will call the `gray_spans' callback to draw gray pixel */
- /* spans, in the case of an aa glyph bitmap, it will call */
- /* `black_spans', and `bit_test' and `bit_set' in the case of a */
- /* monochrome bitmap. This allows direct composition over a */
- /* pre-existing bitmap through user-provided callbacks to perform the */
- /* span drawing/composition. */
- /* */
- /* Note that the `bit_test' and `bit_set' callbacks are required when */
- /* rendering a monochrome bitmap, as they are crucial to implement */
- /* correct drop-out control as defined in the TrueType specification. */
+ /* spans. This allows direct composition over a pre-existing bitmap */
+ /* through user-provided callbacks to perform the span drawing and */
+ /* composition. Not supported by the monochrome rasterizer. */
/* */
typedef struct FT_Raster_Params_
{
@@ -1116,9 +1015,9 @@ FT_BEGIN_HEADER
const void* source;
int flags;
FT_SpanFunc gray_spans;
- FT_SpanFunc black_spans; /* doesn't work! */
- FT_Raster_BitTest_Func bit_test; /* doesn't work! */
- FT_Raster_BitSet_Func bit_set; /* doesn't work! */
+ FT_SpanFunc black_spans; /* unused */
+ FT_Raster_BitTest_Func bit_test; /* unused */
+ FT_Raster_BitSet_Func bit_set; /* unused */
void* user;
FT_BBox clip_box;
@@ -1265,7 +1164,7 @@ FT_BEGIN_HEADER
/* XXX: For now, the standard raster doesn't support direct */
/* composition but this should change for the final release (see */
/* the files `demos/src/ftgrays.c' and `demos/src/ftgrays2.c' */
- /* for examples of distinct implementations which support direct */
+ /* for examples of distinct implementations that support direct */
/* composition). */
/* */
typedef int
@@ -1305,7 +1204,6 @@ FT_BEGIN_HEADER
} FT_Raster_Funcs;
-
/* */
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