add preset for Putt-Putt Saves The Zoo

README.md

@@ -230,6 +230,7 @@ Some games may require additional steps before they can be used with cnc-ddraw,
 - Poseidon: Master of Atlantis
 - Pro Pinball - Big Race USA
 - Pro Pinball - Fantastic Journey
+- Putt-Putt Saves The Zoo
 - Quest for Glory 5
 - Rage of Mages 2
 - Railroad Tycoon II

src/config.c

@@ -1048,6 +1048,11 @@ static void cfg_create_ini()
             "[Pharaoh]\n"
             "adjmouse=true\n"
             "\n"
+            "; Putt-Putt Saves The Zoo\n"
+            "[PUTTZOO]\n"
+            "renderer=gdi\n"
+            "hook=3\n"
+            "\n"
             "; Pax Imperia\n"
             "[Pax Imperia]\n"
             "nonexclusive=true\n"

src/winapi_hooks.c

@@ -858,10 +858,10 @@ BOOL WINAPI fake_StretchBlt(
         {
             return real_StretchBlt(
                 hwnd == g_ddraw.hwnd ? hdcDest : g_ddraw.render.hdc,
-                (int)(xDest * g_ddraw.render.scale_w) + g_ddraw.render.viewport.x,
+                (int)(roundf(xDest * g_ddraw.render.scale_w)) + g_ddraw.render.viewport.x,
-                (int)(yDest * g_ddraw.render.scale_h) + g_ddraw.render.viewport.y,
+                (int)(roundf(yDest * g_ddraw.render.scale_h)) + g_ddraw.render.viewport.y,
-                (int)(wDest * g_ddraw.render.scale_w),
+                (int)(roundf(wDest * g_ddraw.render.scale_w)),
-                (int)(hDest * g_ddraw.render.scale_h),
+                (int)(roundf(hDest * g_ddraw.render.scale_h)),
                 hdcSrc,
                 xSrc,
                 ySrc,
@@ -936,10 +936,10 @@ BOOL WINAPI fake_BitBlt(
         {
             return real_StretchBlt(
                 hwnd == g_ddraw.hwnd ? hdc : g_ddraw.render.hdc,
-                (int)(x * g_ddraw.render.scale_w) + g_ddraw.render.viewport.x,
+                (int)(roundf(x * g_ddraw.render.scale_w)) + g_ddraw.render.viewport.x,
-                (int)(y * g_ddraw.render.scale_h) + g_ddraw.render.viewport.y,
+                (int)(roundf(y * g_ddraw.render.scale_h)) + g_ddraw.render.viewport.y,
-                (int)(cx * g_ddraw.render.scale_w),
+                (int)(roundf(cx * g_ddraw.render.scale_w)),
-                (int)(cy * g_ddraw.render.scale_h),
+                (int)(roundf(cy * g_ddraw.render.scale_h)),
                 hdcSrc,
                 x1,
                 y1,
@@ -1079,10 +1079,10 @@ int WINAPI fake_StretchDIBits(
             return
                 real_StretchDIBits(
                     hwnd == g_ddraw.hwnd ? hdc : g_ddraw.render.hdc,
-                    (int)(xDest * g_ddraw.render.scale_w) + g_ddraw.render.viewport.x,
+                    (int)(roundf(xDest * g_ddraw.render.scale_w)) + g_ddraw.render.viewport.x,
-                    (int)(yDest * g_ddraw.render.scale_h) + g_ddraw.render.viewport.y,
+                    (int)(roundf(yDest * g_ddraw.render.scale_h)) + g_ddraw.render.viewport.y,
-                    (int)(DestWidth * g_ddraw.render.scale_w),
+                    (int)(roundf(DestWidth * g_ddraw.render.scale_w)),
-                    (int)(DestHeight * g_ddraw.render.scale_h),
+                    (int)(roundf(DestHeight * g_ddraw.render.scale_h)),
                     xSrc,
                     ySrc,
                     SrcWidth,