--- qt-everywhere-opensource-src-4.6.3/src/gui/painting/qimagescale.cpp	2010-06-02 04:03:15.000000000 +0200
+++ qt-fixed/src/gui/painting/qimagescale.cpp	2010-09-07 00:20:00.914452999 +0200
@@ -151,8 +151,8 @@
                                               int sw, int sh, int dh)
 {
     unsigned int **p;
-    int i, j = 0;
-    int val, inc, rv = 0;
+    int i, j = 0, rv = 0;
+    quint64 val, inc;
 
     if(dh < 0){
         dh = -dh;
@@ -162,9 +162,9 @@
 
     int up = qAbs(dh) >= sh;
     val = up ? 0x8000 * sh / dh - 0x8000 : 0;
-    inc = (sh << 16) / dh;
+    inc = (((quint64)sh) << 16) / dh;
     for(i = 0; i < dh; i++){
-        p[j++] = src + qMax(0, val >> 16) * sw;
+        p[j++] = src + (int)(val >> 16) * sw;
         val += inc;
     }
     if(rv){
@@ -179,8 +179,8 @@
 
 int* QImageScale::qimageCalcXPoints(int sw, int dw)
 {
-    int *p, i, j = 0;
-    int val, inc, rv = 0;
+    int *p, i, j = 0, rv = 0;
+    quint64 val, inc;
 
     if(dw < 0){
         dw = -dw;
@@ -190,9 +190,9 @@
 
     int up = qAbs(dw) >= sw;
     val = up ? 0x8000 * sw / dw - 0x8000 : 0;
-    inc = (sw << 16) / dw;
+    inc = (((quint64)sw) << 16) / dw;
     for(i = 0; i < dw; i++){
-        p[j++] = qMax(0, val >> 16);
+        p[j++] = val >> 16;
         val += inc;
     }
 
@@ -218,10 +218,10 @@
 
     /* scaling up */
     if(up){
-        int val, inc;
+        quint64 val, inc;
 
         val = 0x8000 * s / d - 0x8000;
-        inc = (s << 16) / d;
+        inc = (((quint64)s) << 16) / d;
         for(i = 0; i < d; i++){
             int pos = val >> 16;
             if (pos < 0)
@@ -235,9 +235,10 @@
     }
     /* scaling down */
     else{
-        int val, inc, ap, Cp;
+        quint64 val, inc;
+        int ap, Cp;
         val = 0;
-        inc = (s << 16) / d;
+        inc = (((quint64)s) << 16) / d;
         Cp = ((d << 14) / s) + 1;
         for(i = 0; i < d; i++){
             ap = ((0x100 - ((val >> 8) & 0xff)) * Cp) >> 8;