336 lines
11 KiB
C
336 lines
11 KiB
C
/*
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* Unit test suite for GDI objects
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*
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* Copyright 2002 Mike McCormack
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* Copyright 2004 Dmitry Timoshkov
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "wine/test.h"
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static void check_font(const char* test, const LOGFONTA* lf, HFONT hfont)
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{
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LOGFONTA getobj_lf;
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int ret, minlen = 0;
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if (!hfont)
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return;
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ret = GetObject(hfont, sizeof(getobj_lf), &getobj_lf);
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/* NT4 tries to be clever and only returns the minimum length */
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while (lf->lfFaceName[minlen] && minlen < LF_FACESIZE-1)
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minlen++;
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minlen += FIELD_OFFSET(LOGFONTA, lfFaceName) + 1;
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ok(ret == sizeof(LOGFONTA) || ret == minlen,
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"%s: GetObject returned %d expected %d or %d\n", test, ret, sizeof(LOGFONTA), minlen);
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ok(!memcmp(&lf, &lf, FIELD_OFFSET(LOGFONTA, lfFaceName)), "%s: fonts don't match\n", test);
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ok(!lstrcmpA(lf->lfFaceName, getobj_lf.lfFaceName),
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"%s: font names don't match: %s != %s\n", test, lf->lfFaceName, getobj_lf.lfFaceName);
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}
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static HFONT create_font(const char* test, const LOGFONTA* lf)
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{
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HFONT hfont = CreateFontIndirectA(lf);
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ok(hfont != 0, "%s: CreateFontIndirect failed\n", test);
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if (hfont)
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check_font(test, lf, hfont);
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return hfont;
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}
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static void test_logfont(void)
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{
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LOGFONTA lf;
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HFONT hfont;
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memset(&lf, 0, sizeof lf);
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lf.lfCharSet = ANSI_CHARSET;
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lf.lfClipPrecision = CLIP_DEFAULT_PRECIS;
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lf.lfWeight = FW_DONTCARE;
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lf.lfHeight = 16;
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lf.lfWidth = 16;
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lf.lfQuality = DEFAULT_QUALITY;
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lstrcpyA(lf.lfFaceName, "Arial");
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hfont = create_font("Arial", &lf);
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DeleteObject(hfont);
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memset(&lf, 'A', sizeof(lf));
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hfont = CreateFontIndirectA(&lf);
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ok(hfont != 0, "CreateFontIndirectA with strange LOGFONT failed\n");
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lf.lfFaceName[LF_FACESIZE - 1] = 0;
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check_font("AAA...", &lf, hfont);
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DeleteObject(hfont);
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}
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static INT CALLBACK font_enum_proc(const LOGFONT *elf, const TEXTMETRIC *ntm, DWORD type, LPARAM lParam)
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{
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if (type & RASTER_FONTTYPE)
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{
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LOGFONT *lf = (LOGFONT *)lParam;
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*lf = *elf;
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return 0; /* stop enumeration */
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}
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return 1; /* continue enumeration */
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}
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static void test_font_metrics(HDC hdc, HFONT hfont, const char *test_str,
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INT test_str_len, const TEXTMETRICA *tm_orig,
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const SIZE *size_orig, INT width_orig,
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INT scale_x, INT scale_y)
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{
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HFONT old_hfont;
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TEXTMETRICA tm;
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SIZE size;
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INT width;
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if (!hfont)
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return;
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old_hfont = SelectObject(hdc, hfont);
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GetTextMetricsA(hdc, &tm);
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ok(tm.tmHeight == tm_orig->tmHeight * scale_y, "%ld != %ld\n", tm.tmHeight, tm_orig->tmHeight * scale_y);
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ok(tm.tmAscent == tm_orig->tmAscent * scale_y, "%ld != %ld\n", tm.tmAscent, tm_orig->tmAscent * scale_y);
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ok(tm.tmDescent == tm_orig->tmDescent * scale_y, "%ld != %ld\n", tm.tmDescent, tm_orig->tmDescent * scale_y);
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ok(tm.tmAveCharWidth == tm_orig->tmAveCharWidth * scale_x, "%ld != %ld\n", tm.tmAveCharWidth, tm_orig->tmAveCharWidth * scale_x);
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GetTextExtentPoint32A(hdc, test_str, test_str_len, &size);
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ok(size.cx == size_orig->cx * scale_x, "%ld != %ld\n", size.cx, size_orig->cx * scale_x);
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ok(size.cy == size_orig->cy * scale_y, "%ld != %ld\n", size.cy, size_orig->cy * scale_y);
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GetCharWidthA(hdc, 'A', 'A', &width);
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ok(width == width_orig * scale_x, "%d != %d\n", width, width_orig * scale_x);
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SelectObject(hdc, old_hfont);
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}
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/* see whether GDI scales bitmap font metrics */
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static void test_bitmap_font(void)
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{
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static const char test_str[11] = "Test String";
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HDC hdc;
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LOGFONTA bitmap_lf;
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HFONT hfont, old_hfont;
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TEXTMETRICA tm_orig;
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SIZE size_orig;
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INT ret, i, width_orig, height_orig;
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hdc = GetDC(0);
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/* "System" has only 1 pixel size defined, otherwise the test breaks */
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ret = EnumFontFamiliesA(hdc, "System", font_enum_proc, (LPARAM)&bitmap_lf);
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if (ret)
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{
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ReleaseDC(0, hdc);
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trace("no bitmap fonts were found, skipping the test\n");
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return;
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}
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trace("found bitmap font %s, height %ld\n", bitmap_lf.lfFaceName, bitmap_lf.lfHeight);
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height_orig = bitmap_lf.lfHeight;
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hfont = create_font("bitmap", &bitmap_lf);
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old_hfont = SelectObject(hdc, hfont);
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ok(GetTextMetricsA(hdc, &tm_orig), "GetTextMetricsA failed\n");
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ok(GetTextExtentPoint32A(hdc, test_str, sizeof(test_str), &size_orig), "GetTextExtentPoint32A failed\n");
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ok(GetCharWidthA(hdc, 'A', 'A', &width_orig), "GetCharWidthA failed\n");
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SelectObject(hdc, old_hfont);
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DeleteObject(hfont);
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/* test fractional scaling */
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for (i = 1; i < height_orig; i++)
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{
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hfont = create_font("fractional", &bitmap_lf);
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test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 1, 1);
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DeleteObject(hfont);
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}
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/* test integer scaling 3x2 */
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bitmap_lf.lfHeight = height_orig * 2;
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bitmap_lf.lfWidth *= 3;
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hfont = create_font("3x2", &bitmap_lf);
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todo_wine
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{
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test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 2);
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}
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DeleteObject(hfont);
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/* test integer scaling 3x3 */
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bitmap_lf.lfHeight = height_orig * 3;
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bitmap_lf.lfWidth = 0;
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hfont = create_font("3x3", &bitmap_lf);
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todo_wine
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{
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test_font_metrics(hdc, hfont, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 3);
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}
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DeleteObject(hfont);
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ReleaseDC(0, hdc);
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}
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static void test_gdi_objects(void)
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{
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BYTE buff[256];
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HDC hdc = GetDC(NULL);
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HPEN hp;
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int i;
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BOOL ret;
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/* SelectObject() with a NULL DC returns 0 and sets ERROR_INVALID_HANDLE.
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* Note: Under XP at least invalid ptrs can also be passed, not just NULL;
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* Don't test that here in case it crashes earlier win versions.
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*/
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SetLastError(0);
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hp = SelectObject(NULL, GetStockObject(BLACK_PEN));
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ok(!hp && GetLastError() == ERROR_INVALID_HANDLE,
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"SelectObject(NULL DC) expected 0, ERROR_INVALID_HANDLE, got %p, 0x%08lx\n",
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hp, GetLastError());
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/* With a valid DC and a NULL object, the call returns 0 but does not SetLastError() */
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SetLastError(0);
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hp = SelectObject(hdc, NULL);
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ok(!hp && !GetLastError(),
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"SelectObject(NULL obj) expected 0, NO_ERROR, got %p, 0x%08lx\n",
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hp, GetLastError());
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/* The DC is unaffected by the NULL SelectObject */
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SetLastError(0);
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hp = SelectObject(hdc, GetStockObject(BLACK_PEN));
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ok(hp && !GetLastError(),
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"SelectObject(post NULL) expected non-null, NO_ERROR, got %p, 0x%08lx\n",
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hp, GetLastError());
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/* GetCurrentObject does not SetLastError() on a null object */
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SetLastError(0);
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hp = GetCurrentObject(NULL, OBJ_PEN);
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ok(!hp && !GetLastError(),
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"GetCurrentObject(NULL DC) expected 0, NO_ERROR, got %p, 0x%08lx\n",
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hp, GetLastError());
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/* DeleteObject does not SetLastError() on a null object */
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ret = DeleteObject(NULL);
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ok( !ret && !GetLastError(),
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"DeleteObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
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ret, GetLastError());
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/* GetObject does not SetLastError() on a null object */
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SetLastError(0);
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i = GetObjectA(NULL, sizeof(buff), buff);
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ok (!i && !GetLastError(),
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"GetObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
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i, GetLastError());
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/* GetObjectType does SetLastError() on a null object */
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SetLastError(0);
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i = GetObjectType(NULL);
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ok (!i && GetLastError() == ERROR_INVALID_HANDLE,
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"GetObjectType(NULL obj), expected 0, ERROR_INVALID_HANDLE, got %d, 0x%08lx\n",
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i, GetLastError());
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/* UnrealizeObject does not SetLastError() on a null object */
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SetLastError(0);
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i = UnrealizeObject(NULL);
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ok (!i && !GetLastError(),
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"UnrealizeObject(NULL obj), expected 0, NO_ERROR, got %d, 0x%08lx\n",
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i, GetLastError());
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ReleaseDC(NULL, hdc);
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}
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static void test_GdiGetCharDimensions(void)
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{
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HDC hdc;
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TEXTMETRICW tm;
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LONG ret;
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SIZE size;
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LONG avgwidth, height;
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static const char szAlphabet[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz";
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typedef LONG (WINAPI *fnGdiGetCharDimensions)(HDC hdc, LPTEXTMETRICW lptm, LONG *height);
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fnGdiGetCharDimensions GdiGetCharDimensions = (fnGdiGetCharDimensions)GetProcAddress(LoadLibrary("gdi32"), "GdiGetCharDimensions");
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if (!GdiGetCharDimensions) return;
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hdc = CreateCompatibleDC(NULL);
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GetTextExtentPoint(hdc, szAlphabet, strlen(szAlphabet), &size);
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avgwidth = ((size.cx / 26) + 1) / 2;
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ret = GdiGetCharDimensions(hdc, &tm, &height);
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ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
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ok(height == tm.tmHeight, "GdiGetCharDimensions should have set height to %ld instead of %ld\n", tm.tmHeight, height);
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ret = GdiGetCharDimensions(hdc, &tm, NULL);
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ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
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ret = GdiGetCharDimensions(hdc, NULL, NULL);
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ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
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height = 0;
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ret = GdiGetCharDimensions(hdc, NULL, &height);
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ok(ret == avgwidth, "GdiGetCharDimensions should have returned width of %ld instead of %ld\n", avgwidth, ret);
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ok(height == size.cy, "GdiGetCharDimensions should have set height to %ld instead of %ld\n", size.cy, height);
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DeleteDC(hdc);
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}
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static void test_text_extents(void)
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{
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LOGFONTA lf;
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TEXTMETRICA tm;
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HDC hdc;
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HFONT hfont;
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SIZE sz;
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memset(&lf, 0, sizeof(lf));
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strcpy(lf.lfFaceName, "Arial");
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lf.lfHeight = 20;
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hfont = CreateFontIndirectA(&lf);
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hdc = GetDC(0);
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hfont = SelectObject(hdc, hfont);
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GetTextMetricsA(hdc, &tm);
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GetTextExtentPointA(hdc, "o", 1, &sz);
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ok(sz.cy == tm.tmHeight, "cy %ld tmHeight %ld\n", sz.cy, tm.tmHeight);
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SelectObject(hdc, hfont);
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DeleteObject(hfont);
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ReleaseDC(NULL, hdc);
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}
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START_TEST(gdiobj)
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{
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test_logfont();
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test_bitmap_font();
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test_gdi_objects();
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test_GdiGetCharDimensions();
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test_text_extents();
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}
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