Commit c8c4cc837cd917ee6963e206760669377ceb124d
2008-12-17T10:50:31
* include/freetype/ftsynth.h, src/basae/ftsynth.c: Move FT_GlyphSlot_Own_Bitmap to... * include/freetype/ftbitmap.h, src/base/ftbitmap.c: These files. * docs/CHANGES: Document it.
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diff --git a/ChangeLog b/ChangeLog
index 714132a..ce976ea 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-12-17 Werner Lemberg <wl@gnu.org>
+
+ * include/freetype/ftsynth.h, src/basae/ftsynth.c: Move
+ FT_GlyphSlot_Own_Bitmap to...
+ * include/freetype/ftbitmap.h, src/base/ftbitmap.c: These files.
+
+ * docs/CHANGES: Document it.
+
2008-12-10 Werner Lemberg <wl@gnu.org>
Generalize the concept of `tricky' fonts by introducing
diff --git a/docs/CHANGES b/docs/CHANGES
index 4e45e5c..86092eb 100644
--- a/docs/CHANGES
+++ b/docs/CHANGES
@@ -51,6 +51,11 @@ CHANGES BETWEEN 2.3.8 and 2.3.7
. Tricky TrueType fonts always use the bytecode interpreter,
either the patented or unpatented version.
+ - The function `FT_GlyphSlot_Own_Bitmap' has been moved from
+ FT_SYNTHESIS_H to FT_BITMAP_H; it is now part of the `official'
+ API. (The functions in FT_SYNTHESIS_H are still subject to
+ change, however.)
+
======================================================================
diff --git a/include/freetype/ftbitmap.h b/include/freetype/ftbitmap.h
index 982b6ae..9274236 100644
--- a/include/freetype/ftbitmap.h
+++ b/include/freetype/ftbitmap.h
@@ -2,10 +2,9 @@
/* */
/* ftbitmap.h */
/* */
-/* FreeType utility functions for converting 1bpp, 2bpp, 4bpp, and 8bpp */
-/* bitmaps into 8bpp format (specification). */
+/* FreeType utility functions for bitmaps (specification). */
/* */
-/* Copyright 2004, 2005, 2006 by */
+/* Copyright 2004, 2005, 2006, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -121,7 +120,7 @@ FT_BEGIN_HEADER
/* or equal to~8 if bitmap is of pixel_mode @FT_PIXEL_MODE_MONO. */
/* */
/* If you want to embolden the bitmap owned by a @FT_GlyphSlotRec, */
- /* you should call `FT_GlyphSlot_Own_Bitmap' on the slot first. */
+ /* you should call @FT_GlyphSlot_Own_Bitmap on the slot first. */
/* */
FT_EXPORT( FT_Error )
FT_Bitmap_Embolden( FT_Library library,
@@ -173,6 +172,28 @@ FT_BEGIN_HEADER
/*************************************************************************/
/* */
/* <Function> */
+ /* FT_GlyphSlot_Own_Bitmap */
+ /* */
+ /* <Description> */
+ /* Make sure that a glyph slot owns `slot->bitmap'. */
+ /* */
+ /* <Input> */
+ /* slot :: The glyph slot. */
+ /* */
+ /* <Return> */
+ /* FreeType error code. 0~means success. */
+ /* */
+ /* <Note> */
+ /* This function is to be used in combination with */
+ /* @FT_Bitmap_Embolden. */
+ /* */
+ FT_EXPORT( FT_Error )
+ FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot );
+
+
+ /*************************************************************************/
+ /* */
+ /* <Function> */
/* FT_Bitmap_Done */
/* */
/* <Description> */
diff --git a/include/freetype/ftsynth.h b/include/freetype/ftsynth.h
index 36984bf..a068b79 100644
--- a/include/freetype/ftsynth.h
+++ b/include/freetype/ftsynth.h
@@ -5,7 +5,7 @@
/* FreeType synthesizing code for emboldening and slanting */
/* (specification). */
/* */
-/* Copyright 2000-2001, 2003, 2006 by */
+/* Copyright 2000-2001, 2003, 2006, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -23,7 +23,7 @@
/*************************************************************************/
/*************************************************************************/
/********* *********/
- /********* WARNING, THIS IS ALPHA CODE, THIS API *********/
+ /********* WARNING, THIS IS ALPHA CODE! THIS API *********/
/********* IS DUE TO CHANGE UNTIL STRICTLY NOTIFIED BY THE *********/
/********* FREETYPE DEVELOPMENT TEAM *********/
/********* *********/
@@ -34,6 +34,13 @@
/*************************************************************************/
+ /* Main reason for not lifting the functions in this module to a */
+ /* `standard' API is that the used parameters for emboldening and */
+ /* slanting are not configurable. Consider the functions as a */
+ /* code resource which should be copied into the application and */
+ /* adapted to the particular needs. */
+
+
#ifndef __FTSYNTH_H__
#define __FTSYNTH_H__
@@ -50,20 +57,20 @@
FT_BEGIN_HEADER
- /* Make sure slot owns slot->bitmap. */
- FT_EXPORT( FT_Error )
- FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot );
-
- /* Do not use this function directly! Copy the code to */
- /* your application and modify it to suit your need. */
+ /* Embolden a glyph by a `reasonable' value (which is highly a matter of */
+ /* taste). This function is actually a convenience function, providing */
+ /* a wrapper for @FT_Outline_Embolden and @FT_Bitmap_Embolden. */
+ /* */
+ /* For emboldened outlines the metrics are estimates only; if you need */
+ /* precise values you should call @FT_Outline_Get_CBox. */
FT_EXPORT( void )
FT_GlyphSlot_Embolden( FT_GlyphSlot slot );
-
+ /* Slant an outline glyph to the right by about 12 degrees. */
FT_EXPORT( void )
FT_GlyphSlot_Oblique( FT_GlyphSlot slot );
- /* */
+ /* */
FT_END_HEADER
diff --git a/src/base/ftbitmap.c b/src/base/ftbitmap.c
index 4c1cdf2..202448a 100644
--- a/src/base/ftbitmap.c
+++ b/src/base/ftbitmap.c
@@ -2,10 +2,9 @@
/* */
/* ftbitmap.c */
/* */
-/* FreeType utility functions for converting 1bpp, 2bpp, 4bpp, and 8bpp */
-/* bitmaps into 8bpp format (body). */
+/* FreeType utility functions for bitmaps (body). */
/* */
-/* Copyright 2004, 2005, 2006, 2007 by */
+/* Copyright 2004, 2005, 2006, 2007, 2008 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -19,6 +18,7 @@
#include <ft2build.h>
#include FT_BITMAP_H
+#include FT_IMAGE_H
#include FT_INTERNAL_OBJECTS_H
@@ -606,6 +606,31 @@
/* documentation is in ftbitmap.h */
FT_EXPORT_DEF( FT_Error )
+ FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot )
+ {
+ if ( slot && slot->format == FT_GLYPH_FORMAT_BITMAP &&
+ !( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) )
+ {
+ FT_Bitmap bitmap;
+ FT_Error error;
+
+
+ FT_Bitmap_New( &bitmap );
+ error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap );
+ if ( error )
+ return error;
+
+ slot->bitmap = bitmap;
+ slot->internal->flags |= FT_GLYPH_OWN_BITMAP;
+ }
+
+ return FT_Err_Ok;
+ }
+
+
+ /* documentation is in ftbitmap.h */
+
+ FT_EXPORT_DEF( FT_Error )
FT_Bitmap_Done( FT_Library library,
FT_Bitmap *bitmap )
{
diff --git a/src/base/ftsynth.c b/src/base/ftsynth.c
index ff88ce9..24e820c 100644
--- a/src/base/ftsynth.c
+++ b/src/base/ftsynth.c
@@ -68,29 +68,6 @@
/*************************************************************************/
- FT_EXPORT_DEF( FT_Error )
- FT_GlyphSlot_Own_Bitmap( FT_GlyphSlot slot )
- {
- if ( slot && slot->format == FT_GLYPH_FORMAT_BITMAP &&
- !( slot->internal->flags & FT_GLYPH_OWN_BITMAP ) )
- {
- FT_Bitmap bitmap;
- FT_Error error;
-
-
- FT_Bitmap_New( &bitmap );
- error = FT_Bitmap_Copy( slot->library, &slot->bitmap, &bitmap );
- if ( error )
- return error;
-
- slot->bitmap = bitmap;
- slot->internal->flags |= FT_GLYPH_OWN_BITMAP;
- }
-
- return FT_Err_Ok;
- }
-
-
/* documentation is in ftsynth.h */
FT_EXPORT_DEF( void )