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dwrite: Improve empty contours handling in GetGlyphRunOutline(). 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-08-25 08:29:46 +03:00 committed by Alexandre Julliard
parent 1b16af0062
commit 1df4e64bbf
4 changed files with 61 additions and 32 deletions
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51
dlls/dwrite/freetype.c
View File

@ -320,7 +320,6 @@ struct decompose_context {
FLOAT xoffset;
FLOAT yoffset;
BOOL figure_started;
BOOL figure_closed;
BOOL move_to; /* last call was 'move_to' */
FT_Vector origin; /* 'pen' position from last call */
};
@ -331,21 +330,29 @@ static inline void ft_vector_to_d2d_point(const FT_Vector *v, FLOAT xoffset, FLO
p->y = (v->y / 64.0f) + yoffset;
}
static void decompose_beginfigure(struct decompose_context *ctxt)
{
D2D1_POINT_2F point;
if (!ctxt->move_to)
return;
ft_vector_to_d2d_point(&ctxt->origin, ctxt->xoffset, ctxt->yoffset, &point);
ID2D1SimplifiedGeometrySink_BeginFigure(ctxt->sink, point, D2D1_FIGURE_BEGIN_FILLED);
ctxt->figure_started = TRUE;
ctxt->move_to = FALSE;
}
static int decompose_move_to(const FT_Vector *to, void *user)
{
struct decompose_context *ctxt = (struct decompose_context*)user;
D2D1_POINT_2F point;
if (ctxt->figure_started) {
ID2D1SimplifiedGeometrySink_EndFigure(ctxt->sink, D2D1_FIGURE_END_CLOSED);
ctxt->figure_closed = TRUE;
ctxt->figure_started = FALSE;
}
else
ctxt->figure_closed = FALSE;
ctxt->figure_started = TRUE;
ft_vector_to_d2d_point(to, ctxt->xoffset, ctxt->yoffset, &point);
ID2D1SimplifiedGeometrySink_BeginFigure(ctxt->sink, point, D2D1_FIGURE_BEGIN_FILLED);
ctxt->move_to = TRUE;
ctxt->origin = *to;
return 0;
@ -354,18 +361,17 @@ static int decompose_move_to(const FT_Vector *to, void *user)
static int decompose_line_to(const FT_Vector *to, void *user)
{
struct decompose_context *ctxt = (struct decompose_context*)user;
/* special case for empty contours, in a way freetype returns them */
if (ctxt->move_to && !memcmp(to, &ctxt->origin, sizeof(*to))) {
ID2D1SimplifiedGeometrySink_EndFigure(ctxt->sink, D2D1_FIGURE_END_CLOSED);
ctxt->figure_closed = TRUE;
}
else {
D2D1_POINT_2F point;
/* Special case for empty contours, in a way freetype returns them. */
if (ctxt->move_to && !memcmp(to, &ctxt->origin, sizeof(*to)))
return 0;
decompose_beginfigure(ctxt);
ft_vector_to_d2d_point(to, ctxt->xoffset, ctxt->yoffset, &point);
ID2D1SimplifiedGeometrySink_AddLines(ctxt->sink, &point, 1);
ctxt->figure_closed = FALSE;
}
ctxt->move_to = FALSE;
ctxt->origin = *to;
return 0;
}
@ -376,6 +382,8 @@ static int decompose_conic_to(const FT_Vector *control, const FT_Vector *to, voi
D2D1_POINT_2F points[3];
FT_Vector cubic[3];
decompose_beginfigure(ctxt);
/* convert from quadratic to cubic */
/*
@ -410,8 +418,6 @@ static int decompose_conic_to(const FT_Vector *control, const FT_Vector *to, voi
ft_vector_to_d2d_point(cubic + 1, ctxt->xoffset, ctxt->yoffset, points + 1);
ft_vector_to_d2d_point(cubic + 2, ctxt->xoffset, ctxt->yoffset, points + 2);
ID2D1SimplifiedGeometrySink_AddBeziers(ctxt->sink, (D2D1_BEZIER_SEGMENT*)points, 1);
ctxt->figure_closed = FALSE;
ctxt->move_to = FALSE;
ctxt->origin = *to;
return 0;
}
@ -422,12 +428,12 @@ static int decompose_cubic_to(const FT_Vector *control1, const FT_Vector *contro
struct decompose_context *ctxt = (struct decompose_context*)user;
D2D1_POINT_2F points[3];
decompose_beginfigure(ctxt);
ft_vector_to_d2d_point(control1, ctxt->xoffset, ctxt->yoffset, points);
ft_vector_to_d2d_point(control2, ctxt->xoffset, ctxt->yoffset, points + 1);
ft_vector_to_d2d_point(to, ctxt->xoffset, ctxt->yoffset, points + 2);
ID2D1SimplifiedGeometrySink_AddBeziers(ctxt->sink, (D2D1_BEZIER_SEGMENT*)points, 1);
ctxt->figure_closed = FALSE;
ctxt->move_to = FALSE;
ctxt->origin = *to;
return 0;
}
@ -448,14 +454,13 @@ static void decompose_outline(FT_Outline *outline, FLOAT xoffset, FLOAT yoffset,
context.xoffset = xoffset;
context.yoffset = yoffset;
context.figure_started = FALSE;
context.figure_closed = FALSE;
context.move_to = FALSE;
context.origin.x = 0;
context.origin.y = 0;
pFT_Outline_Decompose(outline, &decompose_funcs, &context);
if (!context.figure_closed && outline->n_points)
if (context.figure_started)
ID2D1SimplifiedGeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
}

16
dlls/dwrite/tests/font.c
View File

@ -3061,7 +3061,7 @@ if (face2) {
hr = IDWriteFontFace_GetGlyphIndices(face, codePoints, 1, indices);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(indices[0] == 6, "got index %i\n", indices[0]);
ok(indices[0] == 7, "Unexpected glyph index, %u.\n", indices[0]);
IDWriteFontFace_Release(face);
IDWriteFontFile_Release(file);
@ -4420,6 +4420,18 @@ static void test_GetGlyphRunOutline(void)
hr = IDWriteFontFace_GetGlyphRunOutline(face, 1024.0, glyphs, NULL, NULL, 0, FALSE, FALSE, &test_geomsink2);
ok(hr == S_OK, "got 0x%08x\n", hr);
/* Glyph with open figure, single contour point. */
codepoint = 'B';
glyphs[0] = 0;
hr = IDWriteFontFace_GetGlyphIndices(face, &codepoint, 1, glyphs);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(glyphs[0] > 0, "got %u\n", glyphs[0]);
SET_EXPECT(setfillmode);
hr = IDWriteFontFace_GetGlyphRunOutline(face, 1024.0, glyphs, NULL, NULL, 1, FALSE, FALSE, &test_geomsink2);
ok(hr == S_OK, "got 0x%08x\n", hr);
CHECK_CALLED(setfillmode);
IDWriteFactory_Release(factory);
IDWriteFontFace_Release(face);
DELETE_FONTFILE(path);
@ -4578,7 +4590,7 @@ static void test_GetGlyphCount(void)
IDWriteFontFile_Release(file);
count = IDWriteFontFace_GetGlyphCount(fontface);
ok(count == 7, "got %u\n", count);
ok(count == 8, "got %u\n", count);
IDWriteFontFace_Release(fontface);
ref = IDWriteFactory_Release(factory);

20
dlls/dwrite/tests/wine_test.sfd
View File

@ -83,10 +83,10 @@ NameList: Adobe Glyph List
DisplaySize: -24
AntiAlias: 1
FitToEm: 1
WinInfo: 48 16 4
WinInfo: 47 47 13
BeginPrivate: 0
EndPrivate
BeginChars: 65539 7
BeginChars: 65539 8
StartChar: .notdef
Encoding: 65536 -1 0
@ -207,7 +207,7 @@ StartChar: A
Encoding: 65 65 5
Width: 1000
VWidth: 0
Flags: WO
Flags: W
LayerCount: 2
Fore
SplineSet
@ -226,7 +226,7 @@ StartChar: D
Encoding: 68 68 6
Width: 1000
VWidth: 0
Flags: WO
Flags: W
LayerCount: 2
Fore
SplineSet
@ -240,5 +240,17 @@ SplineSet
461 -30.7998 l 25,0,-1
EndSplineSet
EndChar
StartChar: B
Encoding: 66 66 7
Width: 2048
VWidth: 0
Flags: W
LayerCount: 2
Fore
SplineSet
500 500 m 24,0,-1
EndSplineSet
EndChar
EndChars
EndSplineFont

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dlls/dwrite/tests/wine_test.ttf
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