1 /*
2 * Unit test suite for palettes
3 *
4 * Copyright 2005 Glenn Wurster
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #include <stdarg.h>
22 #include <assert.h>
23
24 #include "windef.h"
25 #include "winbase.h"
26 #include "wingdi.h"
27 #include "winuser.h"
28 #include "mmsystem.h"
29
30 #include "wine/test.h"
31
32 static const PALETTEENTRY logpalettedata[8] = {
33 { 0x10, 0x20, 0x30, PC_NOCOLLAPSE },
34 { 0x20, 0x30, 0x40, PC_NOCOLLAPSE },
35 { 0x30, 0x40, 0x50, PC_NOCOLLAPSE },
36 { 0x40, 0x50, 0x60, PC_NOCOLLAPSE },
37 { 0x50, 0x60, 0x70, PC_NOCOLLAPSE },
38 { 0x60, 0x70, 0x80, PC_NOCOLLAPSE },
39 { 0x70, 0x80, 0x90, PC_NOCOLLAPSE },
40 { 0x80, 0x90, 0xA0, PC_NOCOLLAPSE },
41 };
42
43 static void test_DIB_PAL_COLORS(void) {
44 HDC hdc = GetDC( NULL );
45 HDC memhdc = CreateCompatibleDC( hdc );
46 HBITMAP hbmp, hbmpOld;
47 char bmpbuf[sizeof(BITMAPINFO) + 10 * sizeof(WORD)];
48 PBITMAPINFO bmp = (PBITMAPINFO)bmpbuf;
49 WORD * bmpPalPtr;
50 char logpalettebuf[sizeof(LOGPALETTE) + sizeof(logpalettedata)];
51 PLOGPALETTE logpalette = (PLOGPALETTE)logpalettebuf;
52 HPALETTE hpal, hpalOld;
53 COLORREF setColor, chkColor, getColor;
54 int i;
55
56 /* Initalize the logical palette with a few colours */
57 logpalette->palVersion = 0x300;
58 logpalette->palNumEntries = 8;
59 memcpy( logpalette->palPalEntry, logpalettedata, sizeof(logpalettedata) );
60 hpal = CreatePalette( logpalette );
61 hpalOld = SelectPalette( memhdc, hpal, FALSE );
62 ok( hpalOld != NULL, "error=%d\n", GetLastError() );
63
64 /* Create a DIB BMP which references colours in the logical palette */
65 memset( bmp, 0x00, sizeof(BITMAPINFO) );
66 bmp->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
67 bmp->bmiHeader.biWidth = 1;
68 bmp->bmiHeader.biHeight = 1;
69 bmp->bmiHeader.biPlanes = 1;
70 bmp->bmiHeader.biBitCount = 8;
71 bmp->bmiHeader.biCompression = BI_RGB;
72 bmp->bmiHeader.biClrUsed = 10;
73 bmp->bmiHeader.biClrImportant = 0;
74 bmpPalPtr = (WORD *)&bmp->bmiColors;
75 for( i = 0; i < 8; i++ ) {
76 *bmpPalPtr++ = i;
77 }
78 *bmpPalPtr++ = 8; /* Pointer to logical palette index just outside range */
79 *bmpPalPtr++ = 19; /* Pointer to bad logical palette index */
80
81 hbmp = CreateDIBSection( memhdc, bmp, DIB_PAL_COLORS, 0, 0, 0 );
82 ok( hbmp != NULL, "error=%d\n", GetLastError() );
83 hbmpOld = SelectObject( memhdc, hbmp );
84 ok( hbmpOld != NULL, "error=%d\n", GetLastError() );
85
86 /* Test with a RGB to DIB_PAL_COLORS */
87 setColor = RGB( logpalettedata[1].peRed, logpalettedata[1].peGreen, logpalettedata[1].peBlue );
88 SetPixel( memhdc, 0, 0, setColor );
89 chkColor = RGB( logpalettedata[1].peRed, logpalettedata[1].peGreen, logpalettedata[1].peBlue );
90 getColor = GetPixel( memhdc, 0, 0 );
91 ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
92
93 /* Test with a valid DIBINDEX to DIB_PAL_COLORS */
94 setColor = DIBINDEX( 2 );
95 SetPixel( memhdc, 0, 0, setColor );
96 chkColor = RGB( logpalettedata[2].peRed, logpalettedata[2].peGreen, logpalettedata[2].peBlue );
97 getColor = GetPixel( memhdc, 0, 0 );
98 ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
99
100 /* Test with a invalid DIBINDEX to DIB_PAL_COLORS */
101 setColor = DIBINDEX( 12 );
102 SetPixel( memhdc, 0, 0, setColor );
103 chkColor = RGB( 0, 0, 0 );
104 getColor = GetPixel( memhdc, 0, 0 );
105 ok( getColor == chkColor, "getColor=%08X\n", (UINT)getColor );
106
107 /* Test for double wraparound on logical palette references from */
108 /* DIBINDEX by DIB_PAL_COLORS. */
109 setColor = DIBINDEX( 9 );
110 SetPixel( memhdc, 0, 0, setColor );
111 chkColor = RGB( logpalettedata[3].peRed, logpalettedata[3].peGreen, logpalettedata[3].peBlue );
112 getColor = GetPixel( memhdc, 0, 0 );
113 ok( getColor == chkColor ||
114 broken(getColor == 0), /* win9x */
115 "getColor=%08X\n", (UINT)getColor );
116
117 SelectPalette( memhdc, hpalOld, FALSE );
118 DeleteObject( hpal );
119 SelectObject( memhdc, hbmpOld );
120 DeleteObject( hbmp );
121 DeleteDC( memhdc );
122 ReleaseDC( NULL, hdc );
123 }
124
125 static void test_palette_entries(void)
126 {
127 char logpalettebuf[sizeof(LOGPALETTE) + sizeof(logpalettedata)];
128 PLOGPALETTE logpalette = (PLOGPALETTE)logpalettebuf;
129 HPALETTE hpal;
130 UINT res=0;
131 PALETTEENTRY palEntry = { 0x1, 0x2, 0x3, 0xff };
132 PALETTEENTRY getEntryResult;
133
134 /* Initalize the logical palette with a few colours */
135 logpalette->palVersion = 0x300;
136 logpalette->palNumEntries = 8;
137 memcpy( logpalette->palPalEntry, logpalettedata, sizeof(logpalettedata) );
138 hpal = CreatePalette( logpalette );
139
140 /* Set a new entry with peFlags to 0xff */
141 SetPaletteEntries(hpal, 0, 1, &palEntry);
142
143 /* Retrieve the entry to see if GDI32 performs any filtering on peFlags */
144 res = GetPaletteEntries(hpal, 0, 1, &getEntryResult);
145 ok(res == 1, "GetPaletteEntries should have returned 1 but returned %d\n", res);
146
147 ok( palEntry.peFlags == getEntryResult.peFlags, "palEntry.peFlags (%#x) != getEntryResult.peFlags (%#x)\n", palEntry.peFlags, getEntryResult.peFlags );
148 }
149
150 START_TEST(palette)
151 {
152 test_DIB_PAL_COLORS();
153 test_palette_entries();
154 }
155
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