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gdi32: Add a font scaling test when lfHeight == 0 and lfWidth != 0, make it pass under Wine.

This commit is contained in:
Dmitry Timoshkov 2008-04-03 21:55:49 +09:00 committed by Alexandre Julliard
parent 4f3dbb7f7d
commit 90265ac586
2 changed files with 26 additions and 11 deletions
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3
dlls/gdi32/freetype.c
View File

@ -3378,14 +3378,13 @@ found:
TRACE("Chosen: %s %s (%s/%p:%ld)\n", debugstr_w(family->FamilyName),
debugstr_w(face->StyleName), face->file, face->font_data_ptr, face->face_index);
ret->aveWidth = abs(lf.lfWidth);
ret->aveWidth = height ? abs(lf.lfWidth) : 0;
if(!face->scalable) {
/* Windows uses integer scaling factors for bitmap fonts */
INT scale, scaled_height;
if (height != 0) height = diff;
else height = 0;
height += face->size.height;
scale = (height + face->size.height - 1) / face->size.height;

34
dlls/gdi32/tests/font.c
View File

@ -158,7 +158,8 @@ static INT CALLBACK font_enum_proc(const LOGFONT *elf, const TEXTMETRIC *ntm, DW
return 1; /* continue enumeration */
}
static void test_font_metrics(HDC hdc, HFONT hfont, LONG lfHeight, const char *test_str,
static void test_font_metrics(HDC hdc, HFONT hfont, LONG lfHeight,
LONG lfWidth, const char *test_str,
INT test_str_len, const TEXTMETRICA *tm_orig,
const SIZE *size_orig, INT width_of_A_orig,
INT scale_x, INT scale_y)
@ -188,9 +189,14 @@ static void test_font_metrics(HDC hdc, HFONT hfont, LONG lfHeight, const char *t
ok(tm.tmAveCharWidth == tm_orig->tmAveCharWidth * scale_x, "%d != %d\n", tm.tmAveCharWidth, tm_orig->tmAveCharWidth * scale_x);
ok(tm.tmMaxCharWidth == tm_orig->tmMaxCharWidth * scale_x, "%d != %d\n", tm.tmAveCharWidth, tm_orig->tmMaxCharWidth * scale_x);
ok(lf.lfHeight == lfHeight, "lf %d != %d\n", lf.lfHeight, lfHeight);
if (lf.lfWidth)
ok(lf.lfWidth == tm.tmAveCharWidth, "lf %d != tm %d\n", lf.lfWidth, tm.tmAveCharWidth);
ok(lf.lfHeight == lfHeight, "lf %d != %d\n", lf.lfHeight, lfHeight);
if (lf.lfHeight)
{
if (lf.lfWidth)
ok(lf.lfWidth == tm.tmAveCharWidth, "lf %d != tm %d\n", lf.lfWidth, tm.tmAveCharWidth);
}
else
ok(lf.lfWidth == lfWidth, "lf %d != %d\n", lf.lfWidth, lfWidth);
GetTextExtentPoint32A(hdc, test_str, test_str_len, &size);
@ -213,7 +219,7 @@ static void test_bitmap_font(void)
HFONT hfont, old_hfont;
TEXTMETRICA tm_orig;
SIZE size_orig;
INT ret, i, width_orig, height_orig, scale;
INT ret, i, width_orig, height_orig, scale, lfWidth;
hdc = GetDC(0);
@ -229,8 +235,9 @@ static void test_bitmap_font(void)
trace("found bitmap font %s, height %d\n", bitmap_lf.lfFaceName, bitmap_lf.lfHeight);
height_orig = bitmap_lf.lfHeight;
hfont = create_font("bitmap", &bitmap_lf);
lfWidth = bitmap_lf.lfWidth;
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");
@ -238,6 +245,15 @@ static void test_bitmap_font(void)
SelectObject(hdc, old_hfont);
DeleteObject(hfont);
bitmap_lf.lfHeight = 0;
bitmap_lf.lfWidth = 4;
hfont = create_font("bitmap", &bitmap_lf);
test_font_metrics(hdc, hfont, 0, 4, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 1, 1);
DeleteObject(hfont);
bitmap_lf.lfHeight = height_orig;
bitmap_lf.lfWidth = lfWidth;
/* test fractional scaling */
for (i = 1; i <= height_orig * 3; i++)
{
@ -249,7 +265,7 @@ static void test_bitmap_font(void)
nearest_height = scale * height_orig;
/* XP allows not more than 10% deviation */
if (scale > 1 && nearest_height - i > nearest_height / 10) scale--;
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 1, scale);
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, 0, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 1, scale);
DeleteObject(hfont);
}
@ -257,14 +273,14 @@ static void test_bitmap_font(void)
bitmap_lf.lfHeight = height_orig * 2;
bitmap_lf.lfWidth *= 3;
hfont = create_font("3x2", &bitmap_lf);
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 2);
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, 0, 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);
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 3);
test_font_metrics(hdc, hfont, bitmap_lf.lfHeight, 0, test_str, sizeof(test_str), &tm_orig, &size_orig, width_orig, 3, 3);
DeleteObject(hfont);
ReleaseDC(0, hdc);