From c44e26473acd04ef694164bbff7bc13df965f57d Mon Sep 17 00:00:00 2001
From: Magnus Olsen <magnus@greatlord.com>
Date: Fri, 27 May 2005 20:07:48 +0000
Subject: [PATCH] Implement NtGdiGetSystemPaletteUse and
 NtGdiSetSystemPaletteUse this code have been taken from wine

svn path=/trunk/; revision=15549
---
 reactos/subsys/win32k/objects/color.c | 31 ++++++++++++++++++++++-----
 reactos/w32api/include/wingdi.h       |  6 ++++++
 2 files changed, 32 insertions(+), 5 deletions(-)

diff --git a/reactos/subsys/win32k/objects/color.c b/reactos/subsys/win32k/objects/color.c
index cbeaf8967a2..d2cd8130878 100644
--- a/reactos/subsys/win32k/objects/color.c
+++ b/reactos/subsys/win32k/objects/color.c
@@ -31,6 +31,9 @@ static HPALETTE hPrimaryPalette = 0; // used for WM_PALETTECHANGED
 #endif
 //static HPALETTE hLastRealizedPalette = 0; // UnrealizeObject() needs it
 
+
+static UINT SystemPaletteUse = SYSPAL_STATIC;  /* currently not considered */
+
 const PALETTEENTRY COLOR_sysPalTemplate[NB_RESERVED_COLORS] =
 {
   // first 10 entries in the system palette
@@ -286,9 +289,8 @@ UINT STDCALL NtGdiGetSystemPaletteEntries(HDC  hDC,
 }
 
 UINT STDCALL NtGdiGetSystemPaletteUse(HDC  hDC)
-{
-  DPRINT1("NtGdiGetSystemPaletteUse is unimplemented\n");
-  return 0;
+{  
+  return SystemPaletteUse;
 }
 
 /*!
@@ -520,8 +522,27 @@ UINT STDCALL NtGdiSetPaletteEntries(HPALETTE  hpal,
 UINT STDCALL
 NtGdiSetSystemPaletteUse(HDC hDC, UINT Usage)
 {
-   UNIMPLEMENTED;
-   return 0;
+    UINT old = SystemPaletteUse;
+
+    /* Device doesn't support colour palettes */
+    if (!(NtGdiGetDeviceCaps(hDC, RASTERCAPS) & RC_PALETTE)) {
+        return SYSPAL_ERROR;
+    }
+
+    switch (Usage) 
+	{
+		case SYSPAL_NOSTATIC:
+        case SYSPAL_NOSTATIC256:       
+        case SYSPAL_STATIC:
+				SystemPaletteUse = Usage;				
+				break;
+
+        default:
+				old=SYSPAL_ERROR;
+				break;
+	}
+
+ return old;
 }
 
 BOOL STDCALL
diff --git a/reactos/w32api/include/wingdi.h b/reactos/w32api/include/wingdi.h
index 8ae6ad60357..e7f488a9996 100644
--- a/reactos/w32api/include/wingdi.h
+++ b/reactos/w32api/include/wingdi.h
@@ -8,6 +8,12 @@
 extern "C" {
 #endif
 
+/* Get/SetSystemPaletteUse() values */
+#define SYSPAL_ERROR        0
+#define SYSPAL_STATIC       1
+#define SYSPAL_NOSTATIC     2
+#define SYSPAL_NOSTATIC256  3
+
 #define WINGDIAPI
 #define BI_RGB 0
 #define BI_RLE8 1