Dmitry Timoshkov : gdi32: Implement EMFDRV_SelectPalette.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 2820682202886cb1fc438ab55b3c39f13baef9bf
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=2820682202886cb1fc438ab55b3c39f13baef9bf

Author: Dmitry Timoshkov <dmitry at codeweavers.com>
Date:   Wed May  7 20:35:04 2008 +0900

gdi32: Implement EMFDRV_SelectPalette.

---

 dlls/gdi32/enhmfdrv/enhmetafiledrv.h |    1 +
 dlls/gdi32/enhmfdrv/init.c           |    2 +-
 dlls/gdi32/enhmfdrv/objects.c        |   55 ++++++++++++++++++++++++++++++++++
 3 files changed, 57 insertions(+), 1 deletions(-)

diff --git a/dlls/gdi32/enhmfdrv/enhmetafiledrv.h b/dlls/gdi32/enhmfdrv/enhmetafiledrv.h
index f1c81a2..c00c653 100644
--- a/dlls/gdi32/enhmfdrv/enhmetafiledrv.h
+++ b/dlls/gdi32/enhmfdrv/enhmetafiledrv.h
@@ -122,6 +122,7 @@ extern HBRUSH   EMFDRV_SelectBrush( PHYSDEV dev, HBRUSH handle ) DECLSPEC_HIDDEN
 extern BOOL     EMFDRV_SelectClipPath( PHYSDEV dev, INT iMode ) DECLSPEC_HIDDEN;
 extern HFONT    EMFDRV_SelectFont( PHYSDEV dev, HFONT handle, HANDLE gdiFont ) DECLSPEC_HIDDEN;
 extern HPEN     EMFDRV_SelectPen( PHYSDEV dev, HPEN handle ) DECLSPEC_HIDDEN;
+extern HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force ) DECLSPEC_HIDDEN;
 extern INT      EMFDRV_SetArcDirection( PHYSDEV dev, INT arcDirection ) DECLSPEC_HIDDEN;
 extern COLORREF EMFDRV_SetBkColor( PHYSDEV dev, COLORREF color ) DECLSPEC_HIDDEN;
 extern INT      EMFDRV_SetBkMode( PHYSDEV dev, INT mode ) DECLSPEC_HIDDEN;
diff --git a/dlls/gdi32/enhmfdrv/init.c b/dlls/gdi32/enhmfdrv/init.c
index dafac60..de135d2 100644
--- a/dlls/gdi32/enhmfdrv/init.c
+++ b/dlls/gdi32/enhmfdrv/init.c
@@ -114,7 +114,7 @@ static const DC_FUNCTIONS EMFDRV_Funcs =
     EMFDRV_SelectBrush,              /* pSelectBrush */
     EMFDRV_SelectClipPath,           /* pSelectClipPath */
     EMFDRV_SelectFont,               /* pSelectFont */
-    NULL,                            /* pSelectPalette */
+    EMFDRV_SelectPalette,            /* pSelectPalette */
     EMFDRV_SelectPen,                /* pSelectPen */
     EMFDRV_SetArcDirection,          /* pSetArcDirection */
     NULL,                            /* pSetBitmapBits */
diff --git a/dlls/gdi32/enhmfdrv/objects.c b/dlls/gdi32/enhmfdrv/objects.c
index c7ecd54..54c34bf 100644
--- a/dlls/gdi32/enhmfdrv/objects.c
+++ b/dlls/gdi32/enhmfdrv/objects.c
@@ -465,6 +465,61 @@ HPEN EMFDRV_SelectPen(PHYSDEV dev, HPEN hPen )
 
 
 /******************************************************************
+ *         EMFDRV_CreatePalette
+ */
+static DWORD EMFDRV_CreatePalette(PHYSDEV dev, HPALETTE hPal)
+{
+    WORD i;
+    struct {
+        EMRCREATEPALETTE hdr;
+        PALETTEENTRY entry[255];
+    } pal;
+
+    memset( &pal, 0, sizeof(pal) );
+
+    if (!GetObjectW( hPal, sizeof(pal.hdr.lgpl) + sizeof(pal.entry), &pal.hdr.lgpl ))
+        return 0;
+
+    for (i = 0; i < pal.hdr.lgpl.palNumEntries; i++)
+        pal.hdr.lgpl.palPalEntry[i].peFlags = 0;
+
+    pal.hdr.emr.iType = EMR_CREATEPALETTE;
+    pal.hdr.emr.nSize = sizeof(pal.hdr) + pal.hdr.lgpl.palNumEntries * sizeof(PALETTEENTRY);
+    pal.hdr.ihPal = EMFDRV_AddHandle( dev, hPal );
+
+    if (!EMFDRV_WriteRecord( dev, &pal.hdr.emr ))
+        pal.hdr.ihPal = 0;
+    return pal.hdr.ihPal;
+}
+
+/******************************************************************
+ *         EMFDRV_SelectPalette
+ */
+HPALETTE EMFDRV_SelectPalette( PHYSDEV dev, HPALETTE hPal, BOOL force )
+{
+    EMFDRV_PDEVICE *physDev = (EMFDRV_PDEVICE*)dev;
+    EMRSELECTPALETTE emr;
+    DWORD index;
+
+    if (hPal == GetStockObject( DEFAULT_PALETTE ))
+        index = DEFAULT_PALETTE | 0x80000000;
+        goto found;
+
+    if ((index = EMFDRV_FindObject( dev, hPal )) != 0)
+        goto found;
+
+    if (!(index = EMFDRV_CreatePalette( dev, hPal ))) return 0;
+    GDI_hdc_using_object( hPal, physDev->hdc );
+
+found:
+    emr.emr.iType = EMR_SELECTPALETTE;
+    emr.emr.nSize = sizeof(emr);
+    emr.ihPal = index;
+    return EMFDRV_WriteRecord( dev, &emr.emr ) ? hPal : 0;
+}
+
+
+/******************************************************************
  *         EMFDRV_GdiComment
  */
 BOOL EMFDRV_GdiComment(PHYSDEV dev, UINT bytes, CONST BYTE *buffer)