From: James Cox <imajes@php.net>
Date: Thu, 11 Jul 2002 04:36:22 +0000 (+0000)
Subject: adding patch from http://www.coupin.net/gd-freetype/ which makes images anti aliased... 
X-Git-Tag: dev~361
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a234c521b9edf4065f6f5d930d509cabef060148;p=php

adding patch from http://www.coupin.net/gd-freetype/ which makes images anti aliased (and therefore more readable).

#this does actually work.
---

diff --git a/ext/gd/libgd/gdft.c b/ext/gd/libgd/gdft.c
index f2937b45d7..536b76672a 100644
--- a/ext/gd/libgd/gdft.c
+++ b/ext/gd/libgd/gdft.c
@@ -509,12 +509,12 @@ tweenColorFetch (char **error, void *key)
 	     is incorporate our knowledge of the percentage of this
 	     pixel that is really "lit" by pushing the alpha value
 	     up toward transparency in edge regions. */
-	  a->tweencolor = gdTrueColorAlpha (
+	  a->tweencolor = gdAlphaBlend(bg, gdTrueColorAlpha (
 					     gdTrueColorGetRed (fg),
 					     gdTrueColorGetGreen (fg),
 					     gdTrueColorGetBlue (fg),
-					gdAlphaMax - ((gdAlphaMax - gdTrueColorGetAlpha (fg)) * pixel / NUMCOLORS)
-			);
+					     gdAlphaMax - ((gdAlphaMax - gdTrueColorGetAlpha (fg)) * pixel / NUMCOLORS))
+				       );
 	}
       else
 	{
@@ -604,7 +604,7 @@ gdft_draw_bitmap (gdImage * im, int fg, FT_Bitmap bitmap, int pen_x, int pen_y)
 		}
 				else	{
 		  pixel = &im->pixels[y][x];
-	      if (tc_key.pixel == NUMCOLORS)
+	      if (tc_key.pixel == NUMCOLORS && gdTrueColorGetAlpha(fg) ==0)
 		      *pixel = fg;
 					else	{
 		      tc_key.bgcolor = *pixel;