Hi All,
I'd like to introduce adjustable stroking radius to ftview
functionalities. This is a patch. Please comment.
diff --git a/src/ftview.c b/src/ftview.c
index 0b7bcbd..59dd8cc 100644
--- a/src/ftview.c
+++ b/src/ftview.c
@@ -77,6 +77,7 @@
double gamma;
double xbold_factor;
double ybold_factor;
+ double radius;
double slant;
int debug;
@@ -94,7 +95,7 @@
int fw_index;
} status = { RENDER_MODE_ALL, FT_ENCODING_NONE, 72, 48, -1,
- 1.0, 0.04, 0.04, 0.22,
+ 1.0, 0.04, 0.04, 0.02, 0.22,
0, 0, 0, 0, 0, NULL, { 0 }, 0, 0,
0, { 0x10, 0x40, 0x70, 0x40, 0x10 }, 2 };
@@ -130,6 +131,8 @@
FT_Face face;
FT_GlyphSlot slot;
+ FT_Fixed radius;
+
error = FTDemo_Get_Size( handle, &size );
@@ -143,7 +146,10 @@
face = size->face;
slot = face->glyph;
- FT_Stroker_Set( handle->stroker, 64,
+ radius = status.radius *
+ FT_MulFix( face->units_per_EM, face->size->metrics.y_scale );
+
+ FT_Stroker_Set( handle->stroker, radius,
FT_STROKER_LINECAP_ROUND,
FT_STROKER_LINEJOIN_ROUND,
0 );
@@ -617,6 +623,7 @@
grLn();
grWriteln( " x, X adjust horizontal emboldening" );
grWriteln( " y, Y adjust vertical emboldening" );
+ grWriteln( " r, R adjust stroking radius" );
grWriteln( " s, S adjust slanting" );
grLn();
grWriteln( " F toggle custom LCD filter mode" );
@@ -755,6 +762,23 @@
static void
+ event_radius_change( double delta )
+ {
+ status.radius += delta;
+
+ if ( status.radius > 0.05 )
+ status.radius = 0.05;
+ else if ( status.radius < 0.0 )
+ status.radius = 0.0;
+
+ sprintf( status.header_buffer, "stroking radius changed to %.3f",
+ status.radius );
+
+ status.header = status.header_buffer;
+ }
+
+
+ static void
event_slant_change( double delta )
{
status.slant += delta;
@@ -992,6 +1016,14 @@
event_slant_change( -0.02 );
break;
+ case grKEY( 'r' ):
+ event_radius_change( 0.005 );
+ break;
+
+ case grKEY( 'R' ):
+ event_radius_change( -0.005 );
+ break;
+
case grKEY( 'x' ):
event_bold_change( 0.005, 0.0 );
break;
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