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demos/config/x11/rules.mk: 

support for multiple X11R6 entries in $(PATH) added.

ftxbbox.c, ftcalc.c, ftdebug.c, ftdriver.h:
  doc fixes.

ftdebug.c:
  formatting.

ftdebug.h:
  making makros `;'-safe (i.e., they can now be used within if-else clauses
  without side effects resp. don't produce a single `;').
This commit is contained in:
Werner Lemberg 2000-01-08 17:10:33 +00:00
parent fc1f989446
commit f993b6a033
7 changed files with 139 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
demos/config/x11/rules.mk
View File

@ -41,13 +41,13 @@ endif
#
ifneq ($(X11_PATH),)
X11_INCLUDE := $(X11_PATH)$(SEP)include
X11_LIB := $(X11_PATH)$(SEP)lib
X11_INCLUDE := $(X11_PATH:%=%$(SEP)include)
X11_LIB := $(X11_PATH:%=%$(SEP)lib)
# the GRAPH_LINK variable is expanded each time an executable is linked against
# the graphics library..
#
GRAPH_LINK += -L$(X11_LIB) -lX11
GRAPH_LINK += $(X11_LIB:%=-L%) -lX11
# Solaris needs a -lsocket in GRAPH_LINK ..
#

30
src/base/ftbbox.c
View File

@ -47,11 +47,13 @@
/* <Description> */
/* This function is used as a `move_to' and `line_to' emitter during */
/* FT_Raster_Decompose(). It simply records the destination point in */
/* user->last. */
/* `user->last'. */
/* */
/* <Input> */
/* to :: The destination vector. */
/* user :: The current walk context. */
/* to :: A pointer to the destination vector. */
/* */
/* <InOut> */
/* user :: A pointer to the current walk context. */
/* */
/* <Return> */
/* Error code. 0 means success. */
@ -88,7 +90,7 @@
/* y2 :: The coordinate of the control point. */
/* y3 :: The end coordinate. */
/* */
/* <Output> */
/* <InOut> */
/* min :: The address of the current minimum. */
/* max :: The address of the current maximum. */
/* */
@ -143,11 +145,11 @@
/* update it. */
/* */
/* <Input> */
/* control :: A control point. */
/* to :: The destination vector. */
/* control :: A pointer to a control point. */
/* to :: A pointer to the destination vector. */
/* */
/* <InOut> */
/* user :: The current walk context. */
/* user :: The address of the current walk context. */
/* */
/* <Return> */
/* Error code. 0 means success. */
@ -288,12 +290,12 @@
/* update it. */
/* */
/* <Input> */
/* control1 :: The first control point. */
/* control2 :: The second control point. */
/* to :: The destination vector. */
/* control1 :: A pointer to the first control point. */
/* control2 :: A pointer to the second control point. */
/* to :: A pointer to the destination vector. */
/* */
/* <InOut> */
/* user :: The current walk context. */
/* user :: The address of the current walk context. */
/* */
/* <Return> */
/* Error code. 0 means success. */
@ -350,7 +352,7 @@
/* outline :: A pointer to the source outline. */
/* */
/* <Output> */
/* bbox :: The outline's exact bounding box. */
/* abbox :: A pointer to the outline's exact bounding box. */
/* */
/* <Return> */
/* Error code. 0 means success. */
@ -376,8 +378,8 @@
return 0;
}
/* We compute the control box, as well as the bounding box */
/* of all `on' points in the outline. Then, if the two boxes */
/* We compute the control box as well as the bounding box of */
/* all `on' points in the outline. Then, if the two boxes */
/* coincide, we exit immediately. */
vec = outline->points;

20
src/base/ftcalc.c
View File

@ -422,15 +422,18 @@
/* FT_Add64 */
/* */
/* <Description> */
/* Add two Int64 values. Will be wrapped by the ADD_64() macro. */
/* Add two Int64 values. */
/* */
/* <Input> */
/* x :: A pointer to the first value to be added. */
/* y :: A pointer to the second value to be added. */
/* */
/* <InOut> */
/* <Output> */
/* z :: A pointer to the result of `x + y'. */
/* */
/* <Note> */
/* Will be wrapped by the ADD_64() macro. */
/* */
BASE_FUNC
void FT_Add64( FT_Int64* x,
FT_Int64* y,
@ -452,16 +455,18 @@
/* FT_MulTo64 */
/* */
/* <Description> */
/* Multiplies two Int32 integers. Returns a Int64 integer. Will be */
/* wrapped by the MUL_64() macro. */
/* Multiplies two Int32 integers. Returns a Int64 integer. */
/* */
/* <Input> */
/* x :: The first multiplier. */
/* y :: The second multiplier. */
/* */
/* <InOut> */
/* <Output> */
/* z :: A pointer to the result of `x * y'. */
/* */
/* <Note> */
/* Will be wrapped by the MUL_64() macro. */
/* */
BASE_FUNC
void FT_MulTo64( FT_Int32 x,
FT_Int32 y,
@ -516,7 +521,7 @@
/* */
/* <Description> */
/* Divides an Int64 value by an Int32 value. Returns an Int32 */
/* integer. Will be wrapped by the DIV_64() macro. */
/* integer. */
/* */
/* <Input> */
/* x :: A pointer to the dividend. */
@ -525,6 +530,9 @@
/* <Return> */
/* The result of `x / y'. */
/* */
/* <Note> */
/* Will be wrapped by the DIV_64() macro. */
/* */
BASE_FUNC
FT_Int32 FT_Div64by32( FT_Int64* x,
FT_Int32 y )

12
src/base/ftcalc.h
View File

@ -50,9 +50,12 @@
#define MUL_64( x, y, z ) FT_MulTo64( x, y, &z )
#define DIV_64( x, y ) FT_Div64by32( &x, y )
BASE_DEF void FT_Add64 ( FT_Int64* x, FT_Int64* y, FT_Int64* z );
BASE_DEF void FT_MulTo64 ( FT_Int32 x, FT_Int32 y, FT_Int64* z );
BASE_DEF FT_Int32 FT_Div64by32( FT_Int64* x, FT_Int32 y );
BASE_DEF
void FT_Add64 ( FT_Int64* x, FT_Int64* y, FT_Int64* z );
BASE_DEF
void FT_MulTo64 ( FT_Int32 x, FT_Int32 y, FT_Int64* z );
BASE_DEF
FT_Int32 FT_Div64by32( FT_Int64* x, FT_Int32 y );
#endif /* LONG64 */
@ -60,7 +63,8 @@
#define SQRT_32( x ) FT_Sqrt32( x )
BASE_DEF FT_Int32 FT_Sqrt32( FT_Int32 l );
BASE_DEF
FT_Int32 FT_Sqrt32( FT_Int32 l );
/*************************************************************************/
/* */

25
src/base/ftdebug.c
View File

@ -4,7 +4,7 @@
/* */
/* Debugging and logging component (body). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
@ -31,14 +31,6 @@
#include <string.h>
/*************************************************************************/
/* */
/* The Print() function is defined in ftconfig.h. It defaults to */
/* vprintf() on systems which have it. */
/* */
/*************************************************************************/
void FT_Message( const char* fmt, ... )
{
va_list ap;
@ -65,6 +57,21 @@
#ifdef FT_DEBUG_LEVEL_TRACE
/*************************************************************************/
/* */
/* <Function> */
/* FT_SetTraceLevel */
/* */
/* <Description> */
/* Sets the trace level for debugging. */
/* */
/* <Input> */
/* component :: The component which should be traced. See ftdebug.h */
/* for a complete list. If set to `trace_any', all */
/* components will be traced. */
/* level :: The tracing level. */
/* */
EXPORT_FUNC
void FT_SetTraceLevel( FT_Trace component,
char level )

43
src/base/ftdebug.h
View File

@ -4,7 +4,7 @@
/* */
/* Debugging and logging component (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
@ -35,7 +35,7 @@
/* */
/* - release mode: */
/* */
/* No error message is sent nor generated. The code is free from any */
/* No error message is sent or generated. The code is free from any */
/* debugging parts. */
/* */
/*************************************************************************/
@ -57,6 +57,7 @@
typedef enum FT_Trace_
{
/* the first level must always be `trace_any' */
trace_any = 0,
/* first, define an enum for each common component */
@ -78,12 +79,14 @@
trace_ttextend,
trace_ttdriver,
#if 0
/* define an enum for each TrueDoc driver component */
trace_tdobjs,
trace_tdload,
trace_tdgload,
trace_tdhint,
trace_tddriver,
#endif
/* define an enum for each Type1 driver component */
trace_t1objs,
@ -93,13 +96,14 @@
trace_t1driver,
/* other trace levels */
trace_init,
trace_init,
/* the last level must always be `trace_max' */
trace_max
} FT_Trace;
/* declared in ftdebug.c */
extern char ft_trace_levels[trace_max];
@ -113,9 +117,12 @@
/*************************************************************************/
#define FT_TRACE( level, varformat ) \
if ( ft_trace_levels[FT_COMPONENT] >= level ) \
FT_Message##varformat
#define FT_TRACE( level, varformat ) \
do \
{ \
if ( ft_trace_levels[FT_COMPONENT] >= level ) \
FT_Message##varformat; \
} while ( 0 )
EXPORT_DEF
@ -126,16 +133,16 @@
#elif defined( FT_DEBUG_LEVEL_ERROR )
#define FT_TRACE( level, varformat ) /* nothing */
#define FT_TRACE( level, varformat ) while ( 0 ) { } /* nothing */
#else /* release mode */
#define FT_Assert( condition ) /* nothing */
#define FT_Assert( condition ) while ( 0 ) { } /* nothing */
#define FT_TRACE( level, varformat ) /* nothing */
#define FT_ERROR( varformat ) /* nothing */
#define FT_TRACE( level, varformat ) while ( 0 ) { } /* nothing */
#define FT_ERROR( varformat ) while ( 0 ) { } /* nothing */
#endif /* FT_DEBUG_LEVEL_TRACE, FT_DEBUG_LEVEL_ERROR */
@ -146,7 +153,7 @@
/* Define macros and functions that are common to the debug and trace */
/* modes. */
/* */
/* You need vprintf() to be able to compile ttdebug.c. */
/* You need vprintf() to be able to compile ftdebug.c. */
/* */
/*************************************************************************/
@ -155,10 +162,15 @@
#include "stdio.h" /* for vprintf() */
#define FT_Assert( condition ) \
if ( !(condition) ) \
FT_Panic( "assertion failed on line %d of file %s\n", __LINE__, __FILE__ );
#define FT_Assert( condition ) \
do \
{ \
if ( !( condition ) ) \
FT_Panic( "assertion failed on line %d of file %s\n", \
__LINE__, __FILE__ ); \
} while ( 0 )
/* print a message */
extern void FT_Message( const char* fmt, ... );
/* print a message and exit */
@ -170,6 +182,9 @@
#endif /* FT_DEBUG_LEVEL_TRACE || FT_DEBUG_LEVEL_ERROR */
/* you need two opening resp. closing parentheses!
Example: FT_TRACE0(( "Value is %i", foo )) */
#define FT_TRACE0( varformat ) FT_TRACE( 0, varformat )
#define FT_TRACE1( varformat ) FT_TRACE( 1, varformat )
#define FT_TRACE2( varformat ) FT_TRACE( 2, varformat )

125
src/base/ftdriver.h
View File

@ -4,7 +4,7 @@
/* */
/* FreeType driver interface (specification). */
/* */
/* Copyright 1996-1999 by */
/* Copyright 1996-2000 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used */
@ -56,7 +56,7 @@
/*************************************************************************/
/* */
/* <FuncType> */
/* FTDriver_doneEngine */
/* FTDriver_doneDriver */
/* */
/* <Description> */
/* A driver method used to finalize a given driver object. Note that */
@ -95,7 +95,7 @@
/* */
/* <Return> */
/* A typeless pointer to the extension's interface (normally a table */
/* of function pointers). Returns NULL when the requested extension */
/* of function pointers). Returns NULL if the requested extension */
/* isn't available (i.e., wasn't compiled in the driver at build */
/* time). */
/* */
@ -106,17 +106,18 @@
/*************************************************************************/
/* */
/* <Type> */
/* FTDriver_formatInterface */
/* FT_FormatInterface */
/* */
/* <Description> */
/* A driver interface field whose value is a driver-specific */
/* interface method tables. This table contains entry points to */
/* interface method table. This table contains entry points to */
/* various functions that are strictly related to the driver's */
/* format. */
/* */
typedef void* FT_FormatInterface;
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
@ -140,28 +141,27 @@
/* must be created by the caller. */
/* */
/* <Input> */
/* driver :: A handle to the source driver object. */
/* resource :: A handle to the source resource. */
/* typeface_index :: The index of face in the font resource. Used to */
/* stream :: The input stream. */
/* typeface_index :: The face index in the font resource. Used to */
/* access individual faces in collections. */
/* */
/* face :: A handle to the new target face. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
/* <Note> */
/* The `typeface_index' parameter field will be set to -1 when the */
/* The `typeface_index' parameter field will be set to -1 if the */
/* engine only wants to test the format of the resource. This means */
/* that font drivers should simply check the font format, then return */
/* immediately with an error code of 0 (meaning success). The field */
/* `num_faces' should be set. */
/* */
/* done_face() will be called subsequently, whatever the result was. */
/* FTDriver_doneFace() will be called subsequently, whatever the */
/* result was. */
/* */
typedef FT_Error (*FTDriver_initFace)( FT_Stream stream,
FT_Long typeface_index,
FT_Face face );
typedef FT_Error (*FTDriver_initFace)( FT_Stream stream,
FT_Long typeface_index,
FT_Face face );
/*************************************************************************/
@ -194,15 +194,13 @@
/* */
/* <Input> */
/* face :: A handle to the source face object. */
/* */
/* left_glyph :: The index of the left glyph in the kern pair. */
/* */
/* right_glyph :: The index of the right glyph in the kern pair. */
/* */
/* <Output> */
/* kerning :: The kerning vector. This is in font units for */
/* scalable formats, and in pixels for fixed-sizes */
/* formats. */
/* kerning :: A pointer to the kerning vector. This is in font */
/* units for scalable formats, and in pixels for */
/* fixed-sizes formats. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
@ -213,7 +211,7 @@
/* kernings are out of the scope of this method (the basic driver */
/* interface is meant to be simple). */
/* */
/* They can be implemented through format-specific interfaces. */
/* They can be implemented by format-specific interfaces. */
/* */
typedef FT_Error (*FTDriver_getKerning)( FT_Face face,
FT_UInt left_glyph,
@ -221,6 +219,7 @@
FT_Vector* kerning );
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
@ -244,7 +243,6 @@
/* must be created by the caller. */
/* */
/* <Input> */
/* face :: A handle to the parent face object. */
/* size :: A handle to the new size object. */
/* */
/* <Return> */
@ -267,11 +265,13 @@
/* and vertical) expressed in fractional points. */
/* */
/* <Input> */
/* size :: A handle to the target size object. */
/* char_width :: The character width expressed in 26.6 fractional */
/* points. */
/* char_height :: The character height expressed in 26.6 fractional */
/* points. */
/* size :: A handle to the target size object. */
/* char_width :: The character width expressed in 26.6 */
/* fractional points. */
/* char_height :: The character height expressed in 26.6 */
/* fractional points. */
/* horz_resolution :: The horizontal resolution. */
/* vert_resolution :: The vertical resolution. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
@ -298,26 +298,17 @@
/* */
/* <Input> */
/* size :: A handle to the target size object. */
/* */
/* pixel_width :: The character width expressed in 26.6 fractional */
/* pixels. */
/* */
/* pixel_height :: The character height expressed in 26.6 fractional */
/* pixels. */
/* */
/* point_size :: The corresponding character size in points. This */
/* value is only sent to the TrueType bytecode */
/* interpreter, even though 99% of glyph programs */
/* will simply ignore it. A safe value there is the */
/* maximum of the pixel width and height (multiplied */
/* by 64 to make it a 26.6 fixed float). */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
/* <Note> */
/* This function should work with all kinds of `Size' objects, either */
/* fixed or scalable ones. The `point_size' parameter will simply be */
/* ignored in case of fixed formats. */
/* fixed or scalable ones. */
/* */
typedef FT_Error (*FTDriver_setPixelSizes)( FT_Size size,
FT_UInt pixel_width,
@ -337,12 +328,10 @@
/* <Input> */
/* size :: A handle to the target size object. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
typedef void (*FTDriver_doneSize)( FT_Size size );
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
@ -368,7 +357,6 @@
/* bitmap format. */
/* */
/* <Input> */
/* face :: A handle to the parent face object. */
/* slot :: A handle to the new glyph slot object. */
/* */
/* <Return> */
@ -387,12 +375,8 @@
/* is not destroyed by this function. */
/* */
/* <Input> */
/* face :: A handle to the parent face object. */
/* slot :: A handle to the new glyph slot object. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
typedef void (*FTDriver_doneGlyphSlot)( FT_GlyphSlot slot );
@ -407,21 +391,14 @@
/* <Input> */
/* slot :: A handle to target slot object where the glyph will */
/* be loaded. */
/* */
/* size :: A handle to the source face size at which the glyph */
/* must be scaled/loaded. */
/* */
/* glyph_index :: The index of the glyph in the font file. */
/* */
/* load_flags :: A flag indicating what to load for this glyph. The */
/* FTLOAD_??? constants can be used to control the */
/* glyph loading process (e.g., whether the outline */
/* should be scaled, whether to load bitmaps or not, */
/* whether to hint the outline, etc). */
/* <Output> */
/* result :: A set of bit flags indicating the type of data that */
/* was loaded in the glyph slot (outline, bitmap, */
/* pixmap, etc). */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
@ -432,6 +409,7 @@
FT_Int load_flags );
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
@ -463,6 +441,19 @@
FT_Long charcode );
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/**** ****/
/**** ****/
/**** I N T E R F A C E ****/
/**** ****/
/**** ****/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/* */
/* <Struct> */
@ -482,63 +473,52 @@
/* <Fields> */
/* driver_object_size :: The size in bytes of a single driver */
/* object. */
/* */
/* face_object_size :: The size in bytes of a single face object. */
/* */
/* size_object_size :: The size in bytes of a single size object. */
/* */
/* slot_object_size :: The size in bytes of a single glyph slot */
/* object. */
/* */
/* driver_name :: a string to describe the driver to the */
/* system. It doesn't necessarily describe */
/* driver_name :: A string to describe the driver to the */
/* system. It doesn't necessarily describe */
/* in detail all the font formats the driver */
/* may support. */
/* */
/* driver_version :: driver version number. starts at 1 */
/* */
/* driver_requires :: the FreeType major version this driver is */
/* written for. This number should be equal */
/* to or greater than 2 ! */
/* driver_version :: The driver version number. Starts at 1. */
/* driver_requires :: The FreeType major version this driver is */
/* written for. This number should be equal */
/* to or greater than 2! */
/* */
/* format_interface :: A pointer to the driver's format-specific */
/* interface. */
/* */
/* init_driver :: Used to initialize a given driver object. */
/* */
/* done_driver :: Used to finalize and destroy a given */
/* driver object. */
/* */
/* get_extension :: Returns an interface for a given driver */
/* get_interface :: Returns an interface for a given driver */
/* extension. */
/* */
/* init_face :: Initializes a given face object. */
/* */
/* done_face :: Discards a face object, as well as all */
/* child objects (sizes, charmaps, glyph */
/* slots). */
/* */
/* get_kerning :: Returns the kerning vector corresponding */
/* to a pair of glyphs, expressed in unscaled */
/* font units. */
/* */
/* init_size :: Initializes a given size object. */
/* */
/* done_size :: Finalizes a given size object. */
/* */
/* set_size_char_sizes :: Resets a scalable size object's character */
/* size. */
/* */
/* set_pixel_sizes :: Resets a face size object's pixel */
/* dimensions. Applies to both scalable and */
/* fixed faces. */
/* */
/* init_glyph_slot :: Initializes a given glyph slot object. */
/* */
/* done_glyph_slot :: Finalizes a given glyph slot. */
/* */
/* load_glyph :: Loads a given glyph into a given slot. */
/* */
/* get_char_index :: Returns the glyph index for a given */
/* charmap. */
/* */
typedef struct FT_DriverInterface_
{
FT_Int driver_object_size;
@ -573,6 +553,7 @@
} FT_DriverInterface;
#endif /* FTDRIVER_H */