comctl32: Stop flicker when drawing themed and draw the correct image smoothly.

dlls/comctl32/progress.c

@@ -263,38 +263,22 @@ static const ProgressDrawProc drawProcClassic[8] = {
 static void draw_theme_bar_H (const ProgressDrawInfo* di, int start, int end)
 {
     RECT r;
-    int right = di->rect.left + end;
     r.left = di->rect.left + start;
     r.top = di->rect.top;
     r.bottom = di->rect.bottom;
-    while (r.left < right)
-    {
-        r.right = min (r.left + di->ledW, right);
-        DrawThemeBackground (di->theme, di->hdc, PP_CHUNK, 0, &r, NULL);
-        r.left = r.right;
-        r.right = min (r.left + di->ledGap, right);
-        DrawThemeBackground (di->theme, di->hdc, PP_BAR, 0, &di->bgRect, &r);
-        r.left = r.right;
-    }
+    r.right = di->rect.left + end;
+    DrawThemeBackground (di->theme, di->hdc, PP_CHUNK, 0, &r, NULL);
 }
 
-/* draw themed horizontal bar from 'start' to 'end' */
+/* draw themed vertical bar from 'start' to 'end' */
 static void draw_theme_bar_V (const ProgressDrawInfo* di, int start, int end)
 {
     RECT r;
-    int top = di->rect.bottom - end;
     r.left = di->rect.left;
     r.right = di->rect.right;
     r.bottom = di->rect.bottom - start;
-    while (r.bottom > top)
-    {
-        r.top = max (r.bottom - di->ledW, top);
-        DrawThemeBackground (di->theme, di->hdc, PP_CHUNKVERT, 0, &r, NULL);
-        r.bottom = r.top;
-        r.top = max (r.bottom - di->ledGap, top);
-        DrawThemeBackground (di->theme, di->hdc, PP_BARVERT, 0, &di->bgRect, &r);
-        r.bottom = r.top;
-    }
+    r.top = di->rect.bottom - end;
+    DrawThemeBackground (di->theme, di->hdc, PP_CHUNKVERT, 0, &r, NULL);
 }
 
 /* draw themed horizontal background from 'start' to 'end' */