Start to add some tests for basic palette operations.

dlls/gdi/tests/.cvsignore

@@ -4,4 +4,5 @@ brush.ok
 gdiobj.ok
 generated.ok
 metafile.ok
+palette.ok
 testlist.c

dlls/gdi/tests/Makefile.in

@@ -10,7 +10,8 @@ CTESTS = \
 	brush.c \
 	gdiobj.c \
 	generated.c \
-	metafile.c
+	metafile.c \
+	palette.c
 
 @MAKE_TEST_RULES@
 

dlls/gdi/tests/palette.c

+/*
+ * Unit test suite for palettes
+ *
+ * Copyright 2005 Glenn Wurster
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include <stdarg.h>
+#include <assert.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "wingdi.h"
+#include "winuser.h"
+#include "mmsystem.h"
+
+#include "wine/test.h"
+
+static PALETTEENTRY logpalettedata[8] = {
+    { 0x10, 0x20, 0x30, PC_NOCOLLAPSE },
+    { 0x20, 0x30, 0x40, PC_NOCOLLAPSE },
+    { 0x30, 0x40, 0x50, PC_NOCOLLAPSE },
+    { 0x40, 0x50, 0x60, PC_NOCOLLAPSE },
+    { 0x50, 0x60, 0x70, PC_NOCOLLAPSE },
+    { 0x60, 0x70, 0x80, PC_NOCOLLAPSE },
+    { 0x70, 0x80, 0x90, PC_NOCOLLAPSE },
+    { 0x80, 0x90, 0xA0, PC_NOCOLLAPSE },
+};
+
+static void test_DIB_PAL_COLORS(void) {
+    HDC hdc = GetDC( NULL );
+    HDC memhdc = CreateCompatibleDC( hdc );
+    HBITMAP hbmp, hbmpOld;
+    char bmpbuf[sizeof(BITMAPINFO) + 10 * sizeof(WORD)];
+    PBITMAPINFO bmp = (PBITMAPINFO)bmpbuf;
+    WORD * bmpPalPtr;
+    char logpalettebuf[sizeof(LOGPALETTE) + sizeof(logpalettedata)];
+    PLOGPALETTE logpalette = (PLOGPALETTE)logpalettebuf;
+    HPALETTE hpal, hpalOld;
+    COLORREF setColor, chkColor, getColor;
+    int i;
+
+    /* Initalize the logical palette with a few colours */
+    logpalette->palVersion = 0x300;
+    logpalette->palNumEntries = 8;
+    memcpy( logpalette->palPalEntry, logpalettedata, sizeof(logpalettedata) );
+    hpal = CreatePalette( logpalette ); 
+    hpalOld = SelectPalette( memhdc, hpal, FALSE );
+    ok( hpalOld != NULL, "error=%ld\n", GetLastError() );
+
+    /* Create a DIB BMP which references colours in the logical palette */
+    memset( bmp, 0x00, sizeof(BITMAPINFO) );
+    bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
+    bmp->bmiHeader.biWidth = 1;
+    bmp->bmiHeader.biHeight = 1;
+    bmp->bmiHeader.biPlanes = 1;
+    bmp->bmiHeader.biBitCount = 8;
+    bmp->bmiHeader.biCompression = BI_RGB;
+    bmp->bmiHeader.biClrUsed = 10;
+    bmp->bmiHeader.biClrImportant = 0;
+    bmpPalPtr = (WORD *)&bmp->bmiColors;
+    for( i = 0; i < 8; i++ ) {
+        *bmpPalPtr++ = i;
+    }
+    *bmpPalPtr++ = 8; /* Pointer to logical palette index just outside range */
+    *bmpPalPtr++ = 19; /* Pointer to bad logical palette index */
+
+    hbmp = CreateDIBSection( memhdc, bmp, DIB_PAL_COLORS, 0, 0, 0 );
+    ok( hbmp != NULL, "error=%ld\n", GetLastError() );
+    hbmpOld = SelectObject( memhdc, hbmp );
+    ok( hbmpOld != NULL, "error=%ld\n", GetLastError() );
+
+    /* Test with a RGB to DIB_PAL_COLORS */
+    setColor = RGB( logpalettedata[1].peRed, logpalettedata[1].peGreen, logpalettedata[1].peBlue );
+    SetPixel( memhdc, 0, 0, setColor );
+    chkColor = RGB( logpalettedata[1].peRed, logpalettedata[1].peGreen, logpalettedata[1].peBlue );
+    getColor = GetPixel( memhdc, 0, 0 );
+    ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
+
+    /* Test with a valid DIBINDEX to DIB_PAL_COLORS */
+    setColor = DIBINDEX( 2 );
+    SetPixel( memhdc, 0, 0, setColor );
+    chkColor = RGB( logpalettedata[2].peRed, logpalettedata[2].peGreen, logpalettedata[2].peBlue );
+    getColor = GetPixel( memhdc, 0, 0 );
+    ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
+
+    /* Test with a invalid DIBINDEX to DIB_PAL_COLORS */
+    setColor = DIBINDEX( 12 );
+    SetPixel( memhdc, 0, 0, setColor );
+    chkColor = RGB( 0, 0, 0 );
+    getColor = GetPixel( memhdc, 0, 0 );
+    ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
+
+    /* Test for double wraparound on logical palette references from */
+    /* DIBINDEX by DIB_PAL_COLORS. */
+    setColor = DIBINDEX( 9 );
+    SetPixel( memhdc, 0, 0, setColor );
+    chkColor = RGB( logpalettedata[3].peRed, logpalettedata[3].peGreen, logpalettedata[3].peBlue );
+    getColor = GetPixel( memhdc, 0, 0 );
+    ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
+
+    SelectPalette( memhdc, hpalOld, FALSE );
+    DeleteObject( hpal );
+    SelectObject( memhdc, hbmpOld );
+    DeleteObject( hbmp );
+    DeleteDC( memhdc );
+    ReleaseDC( NULL, hdc );
+}
+
+START_TEST(palette)
+{
+    test_DIB_PAL_COLORS();
+}