Move shadow option (for text) from editor/interface to blenfont.

Two new function:
 BLF_shadow: set the level (for blur) and the shadow color.
 BLF_shadow_offset: set the x and y offset for shadow.
		 (this is the current position plus offset)

By default shadow is not enable in the font, so before draw the
text you need call BLF_enable(BLF_SHADOW), also remember disable
the option in the end.

1 files changed, 16 insertions, 0 deletions

diff --git a/source/blender/blenfont/BLF_api.h b/source/blender/blenfont/BLF_api.h
index e871de490f3..cb64615d64c 100644
--- a/source/blender/blenfont/BLF_api.h
+++ b/source/blender/blenfont/BLF_api.h
@@ -91,6 +91,21 @@ void BLF_enable(int option);
 void BLF_disable(int option);
 
 /*
+ * Shadow options, level is the blur level, can be 3, 5 or 0 and
+ * the other argument are the rgba color.
+ * Take care that shadow need to be enable using BLF_enable!!.
+ */
+void BLF_shadow(int level, float r, float g, float b, float a);
+
+/*
+ * Set the offset for shadow text, this is the current cursor
+ * position plus this offset, don't need call BLF_position before
+ * this function, the current position is calculate only on
+ * BLF_draw, so it's safe call this whenever you like.
+ */
+void BLF_shadow_offset(int x, int y);
+
+/*
  * Search the path directory to the locale files, this try all
  * the case for Linux, Win and Mac.
  */
@@ -119,6 +134,7 @@ void BLF_dir_free(char **dirs, int count);
 #define BLF_CLIPPING (1<<1)
 #define BLF_FONT_KERNING (1<<2)
 #define BLF_USER_KERNING (1<<3)
+#define BLF_SHADOW (1<<4)
 
 /* font->mode. */
 #define BLF_MODE_TEXTURE 0