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[sdf] Fixed compilation under gnumake.

This commit is contained in:
Anuj Verma 2020-06-30 17:07:41 +05:30 committed by anujverma
parent 96883decbb
commit 38df99a1b4
5 changed files with 43 additions and 35 deletions
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27
[GSoC]ChangeLog
View File

@ -1,4 +1,17 @@
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-30 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Fixed compilation under gnumake.
* src/sdf/rules.mk (DRV_OBJ_ => DRV_OBJS_): Fixed varialbe
name so that the sdf can compile.
* src/sdf/module.mk: Fixed spacing.
* src/sdf/*.c: Fixed all compiler warnings.
* [GSoC]ChangLog: Fixed dates.
2020-06-29 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Added function to resolve corners in case of
ambiguity.
@ -10,7 +23,7 @@
* src/sdf/ftsdf.c: Typo neartest_point -> nearest_point.
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-29 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] The module can now generate signed distance
fields for outline with only lines.
@ -28,7 +41,7 @@
* src/sdf/ftsdfrend.c (ft_sdf_render): Fixed alignment issues.
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-28 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Added function to find shortest distance from
a point to a line.
@ -42,7 +55,7 @@
* src/sdf/ftsdf.c (SDF_Signed_Distance): Use squared
distance instead of actual distance for performance.
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-28 Anuj Verma <anujv@iitbhilai.ac.in>
* src/sdf/ftsdf.c (SDF_Iterator_IO): Removed.
@ -51,7 +64,7 @@
Manually iterate through the lists instead of `FT_List_Iterate' to
avoid io structs and looks a bit cleaner.
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-28 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Added basic outline of the functions required to
generate sdf.
@ -72,7 +85,7 @@
distance.
2020-06-26 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
[sdf] Added `SDF_Raster_Params' struct which extends
`FT_Raster_Params' and has a few extra fields. This is done
@ -91,7 +104,7 @@
* src//sdf/ftsdfrend.c (ft_sdf_render): Setup the `SDF_Raster_Params'
and pass it to the rasterizer instead of `FT_Raster_Params'.
2020-06-26 Anuj Verma <anujv@iitbhilai.ac.in>
2020-06-27 Anuj Verma <anujv@iitbhilai.ac.in>
* include/freetype/ftimage.h (FT_RASTER_FLAG_): Added
a new raster flag `FT_RASTER_FLAG_SDF'. The `ftsdf'

36
src/sdf/ftsdf.c
View File

@ -155,8 +155,7 @@
goto Exit;
}
FT_QNEW( ptr );
if ( error == FT_Err_Ok )
if ( !FT_QNEW( ptr ) )
{
*ptr = null_edge;
*edge = ptr;
@ -205,8 +204,7 @@
goto Exit;
}
FT_QNEW( ptr );
if ( error == FT_Err_Ok )
if ( !FT_QNEW( ptr ) )
{
*ptr = null_contour;
*contour = ptr;
@ -260,8 +258,7 @@
goto Exit;
}
FT_QNEW( ptr );
if ( error == FT_Err_Ok )
if ( !FT_QNEW( ptr ) )
{
*ptr = null_shape;
ptr->memory = memory;
@ -320,8 +317,7 @@
if ( error != FT_Err_Ok )
goto Exit;
FT_QNEW( node );
if ( error != FT_Err_Ok )
if ( FT_QNEW( node ) )
goto Exit;
contour->last_pos = *to;
@ -362,8 +358,7 @@
if ( error != FT_Err_Ok )
goto Exit;
FT_QNEW( node );
if ( error != FT_Err_Ok )
if ( FT_QNEW( node ) )
goto Exit;
edge->edge_type = SDF_EDGE_LINE;
@ -405,8 +400,7 @@
if ( error != FT_Err_Ok )
goto Exit;
FT_QNEW( node );
if ( error != FT_Err_Ok )
if ( FT_QNEW( node ) )
goto Exit;
edge->edge_type = SDF_EDGE_CONIC;
@ -450,8 +444,7 @@
if ( error != FT_Err_Ok )
goto Exit;
FT_QNEW( node );
if ( error != FT_Err_Ok )
if ( FT_QNEW( node ) )
goto Exit;
edge->edge_type = SDF_EDGE_CUBIC;
@ -1007,7 +1000,7 @@
static FT_Error
sdf_generate( const SDF_Shape* shape,
FT_UInt spread,
FT_Bitmap* bitmap )
const FT_Bitmap* bitmap )
{
FT_Error error = FT_Err_Ok;
FT_UInt width = 0;
@ -1030,8 +1023,8 @@
goto Exit;
}
width = bitmap->width;
rows = bitmap->rows;
width = bitmap->width;
rows = bitmap->rows;
buffer = (FT_Short*)bitmap->buffer;
sp_sq = FT_INT_16D16( spread * spread );
@ -1054,13 +1047,16 @@
/* `grid_point' is the current pixel position */
/* our task is to find the shortest distance */
/* from this point to the entire shape. */
FT_26D6_Vec grid_point = { FT_INT_26D6( x ),
FT_INT_26D6( y ) };
SDF_Signed_Distance min_dist = max_sdf;
FT_26D6_Vec grid_point = zero_vector;
SDF_Signed_Distance min_dist = max_sdf;
FT_ListRec contour_list;
FT_UInt index;
FT_Short value;
grid_point.x = FT_INT_26D6( x );
grid_point.y = FT_INT_26D6( y );
/* This `grid_point' is at the corner, but we */
/* use the center of the pixel. */
grid_point.x += FT_INT_26D6( 1 ) / 2;

9
src/sdf/ftsdfrend.c
View File

@ -37,12 +37,12 @@
const void* value,
FT_Bool value_is_string )
{
FT_UNUSED( value_is_string );
FT_Error error = FT_Err_Ok;
FT_Error error = FT_Err_Ok;
SDF_Renderer render = SDF_RENDERER( FT_RENDERER( module ) );
FT_UNUSED( value_is_string );
if ( ft_strcmp( property_name, "spread" ) == 0 )
{
FT_Int val = *(const FT_Int*)value;
@ -95,7 +95,6 @@
error = FT_THROW( Missing_Property );
}
Exit:
return error;
}
@ -217,7 +216,7 @@
/* ignore the pitch, pixel mode and set custom */
bitmap->pixel_mode = FT_PIXEL_MODE_GRAY16;
bitmap->pitch = bitmap->width * 2;
bitmap->num_grays = 65536;
bitmap->num_grays = 65535;
/* allocate new buffer */
if ( FT_ALLOC_MULT( bitmap->buffer, bitmap->rows, bitmap->pitch ) )

2
src/sdf/module.mk
View File

@ -4,7 +4,7 @@ FTMODULE_H_COMMANDS += SDF_RENDERER
define SDF_RENDERER
$(OPEN_DRIVER) FT_Renderer_Class, ft_sdf_renderer_class $(CLOSE_DRIVER)
$(ECHO_DRIVER)sdf $(ECHO_DRIVER_DESC) signed distance field renderer $(ECHO_DRIVER_DONE)
$(ECHO_DRIVER)sdf $(ECHO_DRIVER_DESC)signed distance field renderer$(ECHO_DRIVER_DONE)
endef
#EOF

4
src/sdf/rules.mk
View File

@ -54,5 +54,5 @@ $(OBJ_DIR)/%.$O: $(SDF_DIR)/%.c $(FREETYPE_H) $(SDF_DRV_H)
# update main driver list
#
DRV_OBJ_S += $(SDF_DRV_OBJ_S)
DRV_OBJ_M += $(SDF_DRV_OBJ_M)
DRV_OBJS_S += $(SDF_DRV_OBJ_S)
DRV_OBJS_M += $(SDF_DRV_OBJ_M)