From 6b75ed4ae343f58f766b3819df8625b3ec9576b8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Gardou?= <jerome.gardou@reactos.org>
Date: Mon, 31 May 2010 14:19:37 +0000
Subject: [PATCH] [WIN32K] UserDrawIconEx   - There is no need to recalculate
 size of the Icon, we already have this piece of information   - Draw
 monochrome cursor/icons, not only their mask.

svn path=/branches/reactos-yarotows/; revision=47495
---
 subsystems/win32/win32k/ntuser/cursoricon.c | 47 ++++++++++++---------
 1 file changed, 27 insertions(+), 20 deletions(-)

diff --git a/subsystems/win32/win32k/ntuser/cursoricon.c b/subsystems/win32/win32k/ntuser/cursoricon.c
index 2e35f425ecd..b40acd50c5e 100644
--- a/subsystems/win32/win32k/ntuser/cursoricon.c
+++ b/subsystems/win32/win32k/ntuser/cursoricon.c
@@ -1326,7 +1326,6 @@ UserDrawIconEx(
     HBITMAP hbmMask, hbmColor;
     BITMAP bmpColor, bm;
     BOOL DoFlickerFree;
-    SIZE IconSize;
     INT iOldBkColor = 0, iOldTxtColor = 0;
 
     HDC hMemDC, hDestDC = hDc;
@@ -1358,17 +1357,6 @@ UserDrawIconEx(
         return FALSE;
     }
 
-    if (hbmColor)
-    {
-        IconSize.cx = bmpColor.bmWidth;
-        IconSize.cy = bmpColor.bmHeight;
-    }
-    else /* take it from mask */
-    {
-        IconSize.cx = bm.bmWidth;
-        IconSize.cy = bm.bmHeight/2;
-    }
-
     /* NtGdiCreateCompatibleBitmap will create a monochrome bitmap
        when cxWidth or cyHeight is 0 */
     if (hbmColor
@@ -1407,11 +1395,11 @@ UserDrawIconEx(
 
     if (!cxWidth)
         cxWidth = ((diFlags & DI_DEFAULTSIZE) ?
-                   UserGetSystemMetrics(SM_CXICON) : IconSize.cx);
+                   UserGetSystemMetrics(SM_CXICON) : pIcon->Size.cx);
 
     if (!cyHeight)
         cyHeight = ((diFlags & DI_DEFAULTSIZE) ?
-                    UserGetSystemMetrics(SM_CYICON) : IconSize.cy);
+                    UserGetSystemMetrics(SM_CYICON) : pIcon->Size.cy);
 
     DoFlickerFree = (hbrFlickerFreeDraw &&
                      (GDI_HANDLE_GET_TYPE(hbrFlickerFreeDraw) == GDI_OBJECT_TYPE_BRUSH));
@@ -1453,8 +1441,8 @@ UserDrawIconEx(
                         hMemDC,
                         0,
                         0,
-                        IconSize.cx,
-                        IconSize.cy,
+                        pIcon->Size.cx,
+                        pIcon->Size.cy,
                         SRCAND,
                         0);
         NtGdiSelectBitmap(hMemDC, hTmpBmp);
@@ -1535,8 +1523,8 @@ UserDrawIconEx(
                             hMemDC,
                             0,
                             0,
-                            IconSize.cx,
-                            IconSize.cy,
+                            pIcon->Size.cx,
+                            pIcon->Size.cy,
                             pixelblend,
                             NULL);
             NtGdiSelectBitmap(hMemDC, hTmpBmp);
@@ -1556,8 +1544,27 @@ UserDrawIconEx(
                             hMemDC,
                             0,
                             0,
-                            IconSize.cx,
-                            IconSize.cy,
+                            pIcon->Size.cx,
+                            pIcon->Size.cy,
+                            rop,
+                            0);
+            NtGdiSelectBitmap(hMemDC, hTmpBmp);
+        }
+        else
+        {
+            /* Mask bitmap holds the information in its second half */
+            DWORD rop = (diFlags & DI_MASK) ? SRCINVERT : SRCCOPY ;
+            hTmpBmp = NtGdiSelectBitmap(hMemDC, hbmMask);
+            NtGdiStretchBlt(hDestDC,
+                            x,
+                            y,
+                            cxWidth,
+                            cyHeight,
+                            hMemDC,
+                            0,
+                            pIcon->Size.cy,
+                            pIcon->Size.cx,
+                            pIcon->Size.cy,
                             rop,
                             0);
             NtGdiSelectBitmap(hMemDC, hTmpBmp);