358 lines
12 KiB
C
358 lines
12 KiB
C
![]() |
/*
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* Unit test suite for fonts
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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 <assert.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 INT CALLBACK find_font_proc(const LOGFONT *elf, const TEXTMETRIC *ntm, DWORD type, LPARAM lParam)
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{
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LOGFONT *lf = (LOGFONT *)lParam;
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if (elf->lfHeight == lf->lfHeight && !strcmp(elf->lfFaceName, lf->lfFaceName))
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{
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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_bitmap_font_metrics(void)
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{
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static const struct font_data
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{
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const char face_name[LF_FACESIZE];
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int weight, height, ascent, descent, int_leading, ext_leading;
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int ave_char_width, max_char_width;
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} fd[] =
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{
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{ "MS Sans Serif", FW_NORMAL, 13, 11, 2, 2, 0, 5, 11 },
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{ "MS Sans Serif", FW_NORMAL, 16, 13, 3, 3, 0, 7, 14 },
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{ "MS Sans Serif", FW_NORMAL, 20, 16, 4, 4, 0, 8, 16 },
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{ "MS Sans Serif", FW_NORMAL, 24, 19, 5, 6, 0, 9, 20 },
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{ "MS Sans Serif", FW_NORMAL, 29, 23, 6, 5, 0, 12, 25 },
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{ "MS Sans Serif", FW_NORMAL, 37, 29, 8, 5, 0, 16, 32 },
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{ "MS Serif", FW_NORMAL, 10, 8, 2, 2, 0, 5, 8 },
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{ "MS Serif", FW_NORMAL, 11, 9, 2, 2, 0, 5, 9 },
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{ "MS Serif", FW_NORMAL, 13, 11, 2, 2, 0, 5, 12 },
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{ "MS Serif", FW_NORMAL, 16, 13, 3, 3, 0, 6, 16 },
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{ "MS Serif", FW_NORMAL, 19, 15, 4, 3, 0, 8, 19 },
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{ "MS Serif", FW_NORMAL, 21, 16, 5, 3, 0, 9, 23 },
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{ "MS Serif", FW_NORMAL, 27, 21, 6, 3, 0, 12, 27 },
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{ "MS Serif", FW_NORMAL, 35, 27, 8, 3, 0, 16, 34 },
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{ "Courier", FW_NORMAL, 13, 11, 2, 0, 0, 8, 8 },
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{ "Courier", FW_NORMAL, 16, 13, 3, 0, 0, 9, 9 },
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{ "Courier", FW_NORMAL, 20, 16, 4, 0, 0, 12, 12 },
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{ "System", FW_BOLD, 16, 13, 3, 3, 0, 7, 15 },
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{ "Small Fonts", FW_NORMAL, 3, 2, 1, 0, 0, 1, 2 },
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{ "Small Fonts", FW_NORMAL, 5, 4, 1, 1, 0, 3, 4 },
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{ "Small Fonts", FW_NORMAL, 6, 5, 1, 1, 0, 3, 13 },
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{ "Small Fonts", FW_NORMAL, 8, 7, 1, 1, 0, 4, 7 },
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{ "Small Fonts", FW_NORMAL, 10, 8, 2, 2, 0, 4, 8 },
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{ "Small Fonts", FW_NORMAL, 11, 9, 2, 2, 0, 5, 9 }
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/* FIXME: add "Fixedsys", "Terminal" */
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};
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HDC hdc;
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LOGFONT lf;
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HFONT hfont, old_hfont;
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TEXTMETRIC tm;
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INT ret, i;
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hdc = CreateCompatibleDC(0);
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assert(hdc);
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for (i = 0; i < sizeof(fd)/sizeof(fd[0]); i++)
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{
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memset(&lf, 0, sizeof(lf));
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lf.lfHeight = fd[i].height;
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strcpy(lf.lfFaceName, fd[i].face_name);
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ret = EnumFontFamilies(hdc, fd[i].face_name, find_font_proc, (LPARAM)&lf);
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if (ret)
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{
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trace("font %s height %d not found\n", fd[i].face_name, fd[i].height);
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continue;
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}
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trace("found font %s, height %ld\n", lf.lfFaceName, lf.lfHeight);
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hfont = create_font(lf.lfFaceName, &lf);
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old_hfont = SelectObject(hdc, hfont);
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ok(GetTextMetrics(hdc, &tm), "GetTextMetrics error %ld\n", GetLastError());
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ok(tm.tmWeight == fd[i].weight, "%s(%d): tm.tmWeight %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmWeight, fd[i].weight);
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ok(tm.tmHeight == fd[i].height, "%s(%d): tm.tmHeight %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmHeight, fd[i].height);
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ok(tm.tmAscent == fd[i].ascent, "%s(%d): tm.tmAscent %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmAscent, fd[i].ascent);
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ok(tm.tmDescent == fd[i].descent, "%s(%d): tm.tmDescent %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmDescent, fd[i].descent);
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ok(tm.tmInternalLeading == fd[i].int_leading, "%s(%d): tm.tmInternalLeading %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmInternalLeading, fd[i].int_leading);
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ok(tm.tmExternalLeading == fd[i].ext_leading, "%s(%d): tm.tmExternalLeading %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmExternalLeading, fd[i].ext_leading);
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ok(tm.tmAveCharWidth == fd[i].ave_char_width, "%s(%d): tm.tmAveCharWidth %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmAveCharWidth, fd[i].ave_char_width);
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ok(tm.tmMaxCharWidth == fd[i].max_char_width, "%s(%d): tm.tmMaxCharWidth %ld != %d\n", fd[i].face_name, fd[i].height, tm.tmMaxCharWidth, fd[i].max_char_width);
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SelectObject(hdc, old_hfont);
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DeleteObject(hfont);
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}
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DeleteDC(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(font)
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{
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test_logfont();
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test_bitmap_font();
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test_bitmap_font_metrics();
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test_GdiGetCharDimensions();
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test_text_extents();
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}
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