--- /dev/null
+/*
+ * 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 "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);
+}
+
+START_TEST(gdiobj)
+{
+ test_logfont();
+ test_bitmap_font();
+ test_gdi_objects();
+ test_GdiGetCharDimensions();
+ test_text_extents();
+}
projects / reactos.git / blobdiff