Made the kerning a float, this give a little more of tweak.

0.5 is the default value now, the range are from -5.0 to 5.0.
Note that we allow negative value, but the current draw code
always check for overlap characters.

4 files changed, 6 insertions, 6 deletions

diff --git a/source/blender/blenfont/BLF_api.h b/source/blender/blenfont/BLF_api.h
index d1d802622ea..e871de490f3 100644
--- a/source/blender/blenfont/BLF_api.h
+++ b/source/blender/blenfont/BLF_api.h
@@ -85,7 +85,7 @@ float BLF_height_default(char *str);
 void BLF_rotation(float angle);
 void BLF_clipping(float xmin, float ymin, float xmax, float ymax);
 void BLF_blur(int size);
-void BLF_kerning(int space);
+void BLF_kerning(float space);
 
 void BLF_enable(int option);
 void BLF_disable(int option);
diff --git a/source/blender/blenfont/intern/blf.c b/source/blender/blenfont/intern/blf.c
index ffb845f7888..f06c7fb0d28 100644
--- a/source/blender/blenfont/intern/blf.c
+++ b/source/blender/blenfont/intern/blf.c
@@ -492,7 +492,7 @@ void BLF_mode(int mode)
 		font->mode= mode;
 }
 
-void BLF_kerning(int space)
+void BLF_kerning(float space)
 {
 	FontBLF *font;
 
diff --git a/source/blender/blenfont/intern/blf_font.c b/source/blender/blenfont/intern/blf_font.c
index df77aee70e8..5a3b3207e29 100644
--- a/source/blender/blenfont/intern/blf_font.c
+++ b/source/blender/blenfont/intern/blf_font.c
@@ -100,7 +100,7 @@ void blf_font_draw(FontBLF *font, char *str)
 	GlyphBLF *g, *g_prev;
 	FT_Vector delta;
 	FT_UInt glyph_index, g_prev_index;
-	int pen_x, pen_y, old_pen_x;
+	float pen_x, pen_y, old_pen_x;
 	int i, has_kerning;
 
 	if (!font->glyph_cache)
@@ -159,7 +159,7 @@ void blf_font_draw(FontBLF *font, char *str)
 		}
 
 		/* do not return this loop if clipped, we want every character tested */
-		blf_glyph_render(font, g, (float)pen_x, (float)pen_y);
+		blf_glyph_render(font, g, pen_x, pen_y);
 
 		pen_x += g->advance;
 		g_prev= g;
@@ -321,7 +321,7 @@ void blf_font_fill(FontBLF *font)
 	font->flags= BLF_USER_KERNING;
 	font->dpi= 0;
 	font->size= 0;
-	font->kerning= 0;
+	font->kerning= 0.0f;
 	font->cache.first= NULL;
 	font->cache.last= NULL;
 	font->glyph_cache= NULL;
diff --git a/source/blender/blenfont/intern/blf_internal_types.h b/source/blender/blenfont/intern/blf_internal_types.h
index d200d910020..60446aa93b2 100644
--- a/source/blender/blenfont/intern/blf_internal_types.h
+++ b/source/blender/blenfont/intern/blf_internal_types.h
@@ -168,7 +168,7 @@ typedef struct FontBLF {
 	int size;
 
 	/* kerning space, user setting. */
-	int kerning;
+	float kerning;
 
 	/* max texture size. */
 	int max_tex_size;