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Sweden-Number/dlls/gdi/tests/gdiobj.c

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/*
* Unit test suite for GDI objects
*
* Copyright 2002 Mike McCormack
* Copyright 2004 Dmitry Timoshkov
*
* 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 "wine/test.h"
static void check_font(const char* test, const LOGFONTA* lf, HFONT hfont)
{
LOGFONTA getobj_lf;
int ret, minlen = 0;
if (!hfont)
return;
ret = GetObject(hfont, sizeof(getobj_lf), &getobj_lf);
/* NT4 tries to be clever and only returns the minimum length */
while (lf->lfFaceName[minlen] && minlen < LF_FACESIZE-1)
minlen++;
minlen += FIELD_OFFSET(LOGFONTA, lfFaceName) + 1;
ok(ret == sizeof(LOGFONTA) || ret == minlen,
"%s: GetObject returned %d expected %d or %d\n", test, ret, sizeof(LOGFONTA), minlen);
ok(!memcmp(&lf, &lf, FIELD_OFFSET(LOGFONTA, lfFaceName)), "%s: fonts don't match\n", test);
ok(!lstrcmpA(lf->lfFaceName, getobj_lf.lfFaceName),
"%s: font names don't match: %s != %s\n", test, lf->lfFaceName, getobj_lf.lfFaceName);
}
static HFONT create_font(const char* test, const LOGFONTA* lf)
{
HFONT hfont = CreateFontIndirectA(lf);
ok(hfont != 0, "%s: CreateFontIndirect failed\n", test);
if (hfont)
check_font(test, lf, hfont);
return hfont;
}
static void test_logfont(void)
{
LOGFONTA lf;
HFONT hfont;
memset(&lf, 0, sizeof lf);
lf.lfCharSet = ANSI_CHARSET;
lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
lf.lfWeight = FW_DONTCARE;
lf.lfHeight = 16;
lf.lfWidth = 16;
lf.lfQuality = DEFAULT_QUALITY;
lstrcpyA(lf.lfFaceName, "Arial");
hfont = create_font("Arial", &lf);
DeleteObject(hfont);
memset(&lf, 'A', sizeof(lf));
hfont = CreateFontIndirectA(&lf);
ok(hfont != 0, "CreateFontIndirectA with strange LOGFONT failed\n");
lf.lfFaceName[LF_FACESIZE - 1] = 0;
check_font("AAA...", &lf, hfont);
DeleteObject(hfont);
}
static INT CALLBACK font_enum_proc(const LOGFONT *elf, const TEXTMETRIC *ntm, DWORD type, LPARAM lParam)
{
if (type & RASTER_FONTTYPE)
{
LOGFONT *lf = (LOGFONT *)lParam;
*lf = *elf;
return 0; /* stop enumeration */
}
return 1; /* continue enumeration */
}
static void test_font_metrics(HDC hdc, HFONT hfont, const char *test_str,
INT test_str_len, const TEXTMETRICA *tm_orig,
const SIZE *size_orig, INT width_orig,
INT scale_x, INT scale_y)
{
HFONT old_hfont;
TEXTMETRICA tm;
SIZE size;
INT width;
if (!hfont)
return;
old_hfont = SelectObject(hdc, hfont);
GetTextMetricsA(hdc, &tm);
ok(tm.tmHeight == tm_orig->tmHeight * scale_y, "%ld != %ld\n", tm.tmHeight, tm_orig->tmHeight * scale_y);
ok(tm.tmAscent == tm_orig->tmAscent * scale_y, "%ld != %ld\n", tm.tmAscent, tm_orig->tmAscent * scale_y);
ok(tm.tmDescent == tm_orig->tmDescent * scale_y, "%ld != %ld\n", tm.tmDescent, tm_orig->tmDescent * scale_y);
ok(tm.tmAveCharWidth == tm_orig->tmAveCharWidth * scale_x, "%ld != %ld\n", tm.tmAveCharWidth, tm_orig->tmAveCharWidth * scale_x);
GetTextExtentPoint32A(hdc, test_str, test_str_len, &size);
ok(size.cx == size_orig->cx * scale_x, "%ld != %ld\n", size.cx, size_orig->cx * scale_x);
ok(size.cy == size_orig->cy * scale_y, "%ld != %ld\n", size.cy, size_orig->cy * scale_y);
GetCharWidthA(hdc, 'A', 'A', &width);
ok(width == width_orig * scale_x, "%d != %d\n", width, width_orig * scale_x);
SelectObject(hdc, old_hfont);
}
/* see whether GDI scales bitmap font metrics */
static void test_bitmap_font(void)
{
static const char test_str[11] = "Test String";
HDC hdc;
LOGFONTA bitmap_lf;
HFONT hfont, old_hfont;
TEXTMETRICA tm_orig;
SIZE size_orig;
INT ret, i, width_orig, height_orig;
hdc = GetDC(0);
/* "System" has only 1 pixel size defined, otherwise the test breaks */
ret = EnumFontFamiliesA(hdc, "System", font_enum_proc, (LPARAM)&bitmap_lf);
if (ret)
{
ReleaseDC(0, hdc);
trace("no bitmap fonts were found, skipping the test\n");
return;
}
trace("found bitmap font %s, height %ld\n", bitmap_lf.lfFaceName, bitmap_lf.lfHeight);
height_orig = bitmap_lf.lfHeight;
hfont = create_font("bitmap", &bitmap_lf);
old_hfont = SelectObject(hdc, hfont);
ok(GetTextMetricsA(hdc, &tm_orig), "GetTextMetricsA failed\n");
ok(GetTextExtentPoint32A(hdc, test_str, sizeof(test_str), &size_orig), "GetTextExtentPoint32A failed\n");
ok(GetCharWidthA(hdc, 'A', 'A', &width_orig), "GetCharWidthA failed\n");
SelectObject(hdc, old_hfont);
DeleteObject(hfont);
/* test fractional scaling */
for (i = 1; i < height_orig; i++)
{
hfont = create_font("fractional", &bitmap_lf);
test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 1, 1);
DeleteObject(hfont);
}
/* test integer scaling 3x2 */
bitmap_lf.lfHeight = height_orig * 2;
bitmap_lf.lfWidth *= 3;
hfont = create_font("3x2", &bitmap_lf);
todo_wine
{
test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 2);
}
DeleteObject(hfont);
/* test integer scaling 3x3 */
bitmap_lf.lfHeight = height_orig * 3;
bitmap_lf.lfWidth = 0;
hfont = create_font("3x3", &bitmap_lf);
todo_wine
{
test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 3);
}
DeleteObject(hfont);
ReleaseDC(0, hdc);
}
static void test_gdi_objects(void)
{
BYTE buff[256];
HDC hdc = GetDC(NULL);
HPEN hp;
int i;
BOOL ret;
/* SelectObject() with a NULL DC returns 0 and sets ERROR_INVALID_HANDLE.
* Note: Under XP at least invalid ptrs can also be passed, not just NULL;
* Don't test that here in case it crashes earlier win versions.
*/
SetLastError(0);
hp = SelectObject(NULL, GetStockObject(BLACK_PEN));
ok(!hp && GetLastError() == ERROR_INVALID_HANDLE,
"SelectObject(NULL DC) expected 0, ERROR_INVALID_HANDLE, got %p, 0x%08lx\n",
hp, GetLastError());
/* With a valid DC and a NULL object, the call returns 0 but does not SetLastError() */
SetLastError(0);
hp = SelectObject(hdc, NULL);
ok(!hp && !GetLastError(),
"SelectObject(NULL obj) expected 0, NO_ERROR, got %p, 0x%08lx\n",
hp, GetLastError());
/* The DC is unaffected by the NULL SelectObject */
SetLastError(0);
hp = SelectObject(hdc, GetStockObject(BLACK_PEN));
ok(hp && !GetLastError(),
"SelectObject(post NULL) expected non-null, NO_ERROR, got %p, 0x%08lx\n",
hp, GetLastError());
/* GetCurrentObject does not SetLastError() on a null object */
SetLastError(0);
hp = GetCurrentObject(NULL, OBJ_PEN);
ok(!hp && !GetLastError(),
"GetCurrentObject(NULL DC) expected 0, NO_ERROR, got %p, 0x%08lx\n",
hp, GetLastError());
/* DeleteObject does not SetLastError() on a null object */
ret = DeleteObject(NULL);
ok( !ret && !GetLastError(),
"DeleteObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
ret, GetLastError());
/* GetObject does not SetLastError() on a null object */
SetLastError(0);
i = GetObjectA(NULL, sizeof(buff), buff);
ok (!i && !GetLastError(),
"GetObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
i, GetLastError());
/* GetObjectType does SetLastError() on a null object */
SetLastError(0);
i = GetObjectType(NULL);
ok (!i && GetLastError() == ERROR_INVALID_HANDLE,
"GetObjectType(NULL obj), expected 0, ERROR_INVALID_HANDLE, got %d, 0x%08lx\n",
i, GetLastError());
/* UnrealizeObject does not SetLastError() on a null object */
SetLastError(0);
i = UnrealizeObject(NULL);
ok (!i && !GetLastError(),
"UnrealizeObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
i, GetLastError());
ReleaseDC(NULL, hdc);
}
static void test_GdiGetCharDimensions(void)
{
HDC hdc;
TEXTMETRICW tm;
LONG ret;
SIZE size;
LONG avgwidth, height;
static const char szAlphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
typedef LONG (WINAPI *fnGdiGetCharDimensions)(HDC hdc, LPTEXTMETRICW lptm, LONG *height);
fnGdiGetCharDimensions GdiGetCharDimensions = (fnGdiGetCharDimensions)GetProcAddress(LoadLibrary("gdi32"), "GdiGetCharDimensions");
if (!GdiGetCharDimensions) return;
hdc = CreateCompatibleDC(NULL);
GetTextExtentPoint(hdc, szAlphabet, strlen(szAlphabet), &size);
avgwidth = ((size.cx / 26) + 1) / 2;
ret = GdiGetCharDimensions(hdc, &tm, &height);
ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
ok(height == tm.tmHeight, "GdiGetCharDimensions should have set height to %ld instead of %ld\n", tm.tmHeight, height);
ret = GdiGetCharDimensions(hdc, &tm, NULL);
ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
ret = GdiGetCharDimensions(hdc, NULL, NULL);
ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
height = 0;
ret = GdiGetCharDimensions(hdc, NULL, &height);
ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
ok(height == size.cy, "GdiGetCharDimensions should have set height to %ld instead of %ld\n", size.cy, height);
DeleteDC(hdc);
}
static void test_text_extents(void)
{
LOGFONTA lf;
TEXTMETRICA tm;
HDC hdc;
HFONT hfont;
SIZE sz;
memset(&lf, 0, sizeof(lf));
strcpy(lf.lfFaceName, "Arial");
lf.lfHeight = 20;
hfont = CreateFontIndirectA(&lf);
hdc = GetDC(0);
hfont = SelectObject(hdc, hfont);
GetTextMetricsA(hdc, &tm);
GetTextExtentPointA(hdc, "o", 1, &sz);
ok(sz.cy == tm.tmHeight, "cy %ld tmHeight %ld\n", sz.cy, tm.tmHeight);
SelectObject(hdc, hfont);
DeleteObject(hfont);
ReleaseDC(NULL, hdc);
}
struct hgdiobj_event
{
HDC hdc;
HGDIOBJ hgdiobj1;
HGDIOBJ hgdiobj2;
HANDLE stop_event;
HANDLE ready_event;
};
static DWORD WINAPI thread_proc(void *param)
{
LOGPEN lp;
struct hgdiobj_event *hgdiobj_event = (struct hgdiobj_event *)param;
hgdiobj_event->hdc = CreateDC("display", NULL, NULL, NULL);
ok(hgdiobj_event->hdc != NULL, "CreateDC error %ld\n", GetLastError());
hgdiobj_event->hgdiobj1 = CreatePen(PS_DASHDOTDOT, 17, RGB(1, 2, 3));
ok(hgdiobj_event->hgdiobj1 != 0, "Failed to create pen\n");
hgdiobj_event->hgdiobj2 = CreateRectRgn(0, 1, 12, 17);
ok(hgdiobj_event->hgdiobj2 != 0, "Failed to create pen\n");
SetEvent(hgdiobj_event->ready_event);
ok(WaitForSingleObject(hgdiobj_event->stop_event, INFINITE) == WAIT_OBJECT_0,
"WaitForSingleObject error %ld\n", GetLastError());
ok(!GetObject(hgdiobj_event->hgdiobj1, sizeof(lp), &lp), "GetObject should fail\n");
ok(!GetDeviceCaps(hgdiobj_event->hdc, TECHNOLOGY), "GetDeviceCaps(TECHNOLOGY) should fail\n");
return 0;
}
static void test_thread_objects(void)
{
LOGPEN lp;
DWORD tid, type;
HANDLE hthread;
struct hgdiobj_event hgdiobj_event;
INT ret;
hgdiobj_event.stop_event = CreateEvent(NULL, 0, 0, NULL);
ok(hgdiobj_event.stop_event != NULL, "CreateEvent error %ld\n", GetLastError());
hgdiobj_event.ready_event = CreateEvent(NULL, 0, 0, NULL);
ok(hgdiobj_event.ready_event != NULL, "CreateEvent error %ld\n", GetLastError());
hthread = CreateThread(NULL, 0, thread_proc, &hgdiobj_event, 0, &tid);
ok(hthread != NULL, "CreateThread error %ld\n", GetLastError());
ok(WaitForSingleObject(hgdiobj_event.ready_event, INFINITE) == WAIT_OBJECT_0,
"WaitForSingleObject error %ld\n", GetLastError());
ok(GetObject(hgdiobj_event.hgdiobj1, sizeof(lp), &lp) == sizeof(lp),
"GetObject error %ld\n", GetLastError());
ok(lp.lopnStyle == PS_DASHDOTDOT, "wrong pen style %d\n", lp.lopnStyle);
ok(lp.lopnWidth.x == 17, "wrong pen width.y %ld\n", lp.lopnWidth.x);
ok(lp.lopnWidth.y == 0, "wrong pen width.y %ld\n", lp.lopnWidth.y);
ok(lp.lopnColor == RGB(1, 2, 3), "wrong pen width.y %08lx\n", lp.lopnColor);
ret = GetDeviceCaps(hgdiobj_event.hdc, TECHNOLOGY);
ok(ret == DT_RASDISPLAY, "GetDeviceCaps(TECHNOLOGY) should return DT_RASDISPLAY not %d\n", ret);
ok(DeleteObject(hgdiobj_event.hgdiobj1), "DeleteObject error %ld\n", GetLastError());
ok(DeleteDC(hgdiobj_event.hdc), "DeleteDC error %ld\n", GetLastError());
type = GetObjectType(hgdiobj_event.hgdiobj2);
ok(type == OBJ_REGION, "GetObjectType returned %lu\n", type);
SetEvent(hgdiobj_event.stop_event);
ok(WaitForSingleObject(hthread, INFINITE) == WAIT_OBJECT_0,
"WaitForSingleObject error %ld\n", GetLastError());
CloseHandle(hthread);
type = GetObjectType(hgdiobj_event.hgdiobj2);
ok(type == OBJ_REGION, "GetObjectType returned %lu\n", type);
ok(DeleteObject(hgdiobj_event.hgdiobj2), "DeleteObject error %ld\n", GetLastError());
CloseHandle(hgdiobj_event.stop_event);
CloseHandle(hgdiobj_event.ready_event);
}
static void test_GetCurrentObject(void)
{
DWORD type;
HPEN hpen;
HBRUSH hbrush;
HPALETTE hpal;
HFONT hfont;
HBITMAP hbmp;
HRGN hrgn;
HDC hdc;
HCOLORSPACE hcs;
HGDIOBJ hobj;
LOGBRUSH lb;
LOGCOLORSPACEA lcs;
hdc = CreateCompatibleDC(0);
assert(hdc != 0);
type = GetObjectType(hdc);
ok(type == OBJ_MEMDC, "GetObjectType returned %lu\n", type);
hpen = CreatePen(PS_SOLID, 10, RGB(10, 20, 30));
assert(hpen != 0);
SelectObject(hdc, hpen);
hobj = GetCurrentObject(hdc, OBJ_PEN);
ok(hobj == hpen, "OBJ_PEN is wrong: %p\n", hobj);
hobj = GetCurrentObject(hdc, OBJ_EXTPEN);
ok(hobj == hpen, "OBJ_EXTPEN is wrong: %p\n", hobj);
hbrush = CreateSolidBrush(RGB(10, 20, 30));
assert(hbrush != 0);
SelectObject(hdc, hbrush);
hobj = GetCurrentObject(hdc, OBJ_BRUSH);
ok(hobj == hbrush, "OBJ_BRUSH is wrong: %p\n", hobj);
hpal = CreateHalftonePalette(hdc);
assert(hpal != 0);
SelectPalette(hdc, hpal, FALSE);
hobj = GetCurrentObject(hdc, OBJ_PAL);
ok(hobj == hpal, "OBJ_PAL is wrong: %p\n", hobj);
hfont = CreateFontA(10, 5, 0, 0, FW_DONTCARE, 0, 0, 0, ANSI_CHARSET,
OUT_DEFAULT_PRECIS, CLIP_DEFAULT_PRECIS, DEFAULT_QUALITY,
DEFAULT_PITCH, "MS Sans Serif");
assert(hfont != 0);
SelectObject(hdc, hfont);
hobj = GetCurrentObject(hdc, OBJ_FONT);
ok(hobj == hfont, "OBJ_FONT is wrong: %p\n", hobj);
hbmp = CreateBitmap(100, 100, 1, 1, NULL);
assert(hbmp != 0);
SelectObject(hdc, hbmp);
hobj = GetCurrentObject(hdc, OBJ_BITMAP);
ok(hobj == hbmp, "OBJ_BITMAP is wrong: %p\n", hobj);
assert(GetObject(hbrush, sizeof(lb), &lb) == sizeof(lb));
hpen = ExtCreatePen(PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_SQUARE | PS_JOIN_BEVEL,
10, &lb, 0, NULL);
assert(hpen != 0);
SelectObject(hdc, hpen);
hobj = GetCurrentObject(hdc, OBJ_PEN);
ok(hobj == hpen, "OBJ_PEN is wrong: %p\n", hobj);
hobj = GetCurrentObject(hdc, OBJ_EXTPEN);
ok(hobj == hpen, "OBJ_EXTPEN is wrong: %p\n", hobj);
hcs = GetColorSpace(hdc);
if (hcs)
{
trace("current color space is not NULL\n");
ok(GetLogColorSpaceA(hcs, &lcs, sizeof(lcs)), "GetLogColorSpace failed\n");
hcs = CreateColorSpaceA(&lcs);
ok(hcs != 0, "CreateColorSpace failed\n");
SelectObject(hdc, hcs);
hobj = GetCurrentObject(hdc, OBJ_COLORSPACE);
ok(hobj == hcs, "OBJ_COLORSPACE is wrong: %p\n", hobj);
}
hrgn = CreateRectRgn(1, 1, 100, 100);
assert(hrgn != 0);
SelectObject(hdc, hrgn);
hobj = GetCurrentObject(hdc, OBJ_REGION);
ok(!hobj, "OBJ_REGION is wrong: %p\n", hobj);
DeleteDC(hdc);
}
START_TEST(gdiobj)
{
test_logfont();
test_bitmap_font();
test_gdi_objects();
test_GdiGetCharDimensions();
test_text_extents();
test_thread_objects();
test_GetCurrentObject();
}
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