Remove unused code which is also not there in external libgd

diff --git a/ext/gd/libgd/gd_rotate.c b/ext/gd/libgd/gd_rotate.c
index e94809ae770bd908c360354148aed3f329d9e211..6284bcd30b4c1bbad93f419833db45299983da8d 100644 (file)
--- a/ext/gd/libgd/gd_rotate.c
+++ b/ext/gd/libgd/gd_rotate.c
@@ -346,9 +346,7 @@ gdImagePtr gdImageRotate270 (gdImagePtr src, int ignoretransparent)
 
 gdImagePtr gdImageRotate45 (gdImagePtr src, double dAngle, int clrBack, int ignoretransparent)
 {
-       typedef int (*FuncPtr)(gdImagePtr, int, int);
        gdImagePtr dst1,dst2,dst3;
-       FuncPtr f;
        double dRadAngle, dSinE, dTan, dShear;
        double dOffset;     /* Variable skew offset */
        int u, iShear, newx, newy;
@@ -363,12 +361,6 @@ gdImagePtr gdImageRotate45 (gdImagePtr src, double dAngle, int clrBack, int igno
        newy = src->sy;
 
        /* 1st shear */
-       if (src->trueColor) {
-               f = gdImageGetTrueColorPixel;
-       } else {
-               f = gdImageGetPixel;
-       }
-
        dst1 = gdImageCreateTrueColor(newx, newy);
        /******* Perform 1st shear (horizontal) ******/
        if (dst1 == NULL) {
@@ -396,10 +388,6 @@ gdImagePtr gdImageRotate45 (gdImagePtr src, double dAngle, int clrBack, int igno
                }
        }
 
-       dRadAngle = dAngle * ROTATE_DEG2RAD; /* Angle in radians */
-       dSinE = sin (dRadAngle);
-       dTan = tan (dRadAngle / 2.0);
-
        for (u = 0; u < dst1->sy; u++) {
                if (dTan >= 0.0) {
                        dShear = ((double)(u + 0.5)) * dTan;
@@ -433,11 +421,6 @@ gdImagePtr gdImageRotate45 (gdImagePtr src, double dAngle, int clrBack, int igno
 
        newy = (int) ((double) src->sx * fabs( dSinE ) + (double) src->sy * cos (dRadAngle))+1;
 
-       if (src->trueColor) {
-               f = gdImageGetTrueColorPixel;
-       } else {
-               f = gdImageGetPixel;
-       }
        dst2 = gdImageCreateTrueColor(newx, newy);
        if (dst2 == NULL) {
                gdImageDestroy(dst1);
@@ -465,11 +448,6 @@ gdImagePtr gdImageRotate45 (gdImagePtr src, double dAngle, int clrBack, int igno
        newx = (int) ((double)src->sy * fabs (dSinE) + (double)src->sx * cos (dRadAngle)) + 1;
        newy = dst2->sy;
 
-       if (src->trueColor) {
-               f = gdImageGetTrueColorPixel;
-       } else {
-               f = gdImageGetPixel;
-       }
        dst3 = gdImageCreateTrueColor(newx, newy);
        if (dst3 == NULL) {
                gdImageDestroy(dst2);