Sweden-Number/dlls/gdi32/tests/palette.c

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/*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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"
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static const 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=%d\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=%d\n", GetLastError() );
hbmpOld = SelectObject( memhdc, hbmp );
ok( hbmpOld != NULL, "error=%d\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();
}