Fix build with GD < 2.0.x

diff --git a/ext/gd/gd.c b/ext/gd/gd.c
index 78c67fe5740ab68aa92d61c3df00467109d882e0..9ce1eab25a7154300765171c1a446130d31c4117 100644 (file)
--- a/ext/gd/gd.c
+++ b/ext/gd/gd.c
@@ -3040,7 +3040,10 @@ PHP_FUNCTION(imagepstext)
        int space;
        int *f_ind;
        int h_lines, v_lines, c_ind;
-       int rd, gr, bl, al, fg_rd, fg_gr, fg_bl, fg_al, bg_rd, bg_gr, bg_bl, bg_al, _fg, _bg;
+       int rd, gr, bl, fg_rd, fg_gr, fg_bl, bg_rd, bg_gr, bg_bl, _fg, _bg;
+#if HAVE_LIBGD20
+       int fg_al, bg_al, al;
+#endif
        int aa[16], aa_steps;
        int width, amount_kern, add_width;
        double angle, extend;
@@ -3089,19 +3092,28 @@ PHP_FUNCTION(imagepstext)
        fg_rd = gdImageRed  (bg_img, _fg);
        fg_gr = gdImageGreen(bg_img, _fg);
        fg_bl = gdImageBlue (bg_img, _fg);
+#if HAVE_LIBGD20
        fg_al = gdImageAlpha(bg_img, _fg);
+#endif
 
        bg_rd = gdImageRed  (bg_img, _bg);
        bg_gr = gdImageGreen(bg_img, _bg);
        bg_bl = gdImageBlue (bg_img, _bg);
+#if HAVE_LIBGD20
        bg_al = gdImageAlpha(bg_img, _bg);
+#endif
 
        for (i = 0; i < aa_steps; i++) {
                rd = bg_rd+(double)(fg_rd-bg_rd)/aa_steps*(i+1);
                gr = bg_gr+(double)(fg_gr-bg_gr)/aa_steps*(i+1);
                bl = bg_bl+(double)(fg_bl-bg_bl)/aa_steps*(i+1);
+#if HAVE_LIBGD20
                al = bg_al+(double)(fg_al-bg_al)/aa_steps*(i+1);
                aa[i] = gdImageColorResolveAlpha(bg_img, rd, gr, bl, al);
+#else
+               aa[i] = gdImageColorResolve(bg_img, rd, gr, bl);
+#endif
+
        }
 
        T1_AASetBitsPerPixel(8);