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dwrite: Use 8bpp bitmaps in grayscale mode. 

Problem analyzed by Kimmo Myllyvirta.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
oldstable
Nikolay Sivov 2017-09-05 13:35:29 +03:00 committed by Alexandre Julliard
parent 0a63390841
commit c4917bdbdf
4 changed files with 150 additions and 33 deletions
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2
dlls/dwrite/dwrite_private.h
View File

@ -273,11 +273,11 @@ struct dwrite_glyphbitmap {
DWORD simulations;
FLOAT emsize;
BOOL nohint;
BOOL aliased;
UINT16 index;
INT pitch;
RECT bbox;
BYTE *buf;
DWRITE_TEXTURE_TYPE type;
DWRITE_MATRIX *m;
};

37
dlls/dwrite/font.c
View File

@ -4872,10 +4872,9 @@ static BOOL is_natural_rendering_mode(DWRITE_RENDERING_MODE1 mode)
}
}
static UINT32 get_glyph_bitmap_pitch(DWRITE_TEXTURE_TYPE type, INT width)
static UINT32 get_glyph_bitmap_pitch(DWRITE_RENDERING_MODE1 rendering_mode, INT width)
{
return type == DWRITE_TEXTURE_CLEARTYPE_3x1 ? (width + 3) / 4 * 4 :
((width + 31) >> 5) << 2;
return rendering_mode == DWRITE_RENDERING_MODE1_ALIASED ? ((width + 31) >> 5) << 2 : (width + 3) / 4 * 4;
}
static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *analysis, RECT *bounds)
@ -4912,7 +4911,7 @@ static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *a
glyph_bitmap.index = analysis->run.glyphIndices[i];
freetype_get_glyph_bbox(&glyph_bitmap);
bitmap_size = get_glyph_bitmap_pitch(analysis->texture_type, bbox->right - bbox->left) *
bitmap_size = get_glyph_bitmap_pitch(analysis->rendering_mode, bbox->right - bbox->left) *
(bbox->bottom - bbox->top);
if (bitmap_size > analysis->max_glyph_bitmap_size)
analysis->max_glyph_bitmap_size = bitmap_size;
@ -4995,7 +4994,7 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis)
glyph_bitmap.simulations = IDWriteFontFace4_GetSimulations(fontface);
glyph_bitmap.emsize = analysis->run.fontEmSize;
glyph_bitmap.nohint = is_natural_rendering_mode(analysis->rendering_mode);
glyph_bitmap.type = analysis->texture_type;
glyph_bitmap.aliased = analysis->rendering_mode == DWRITE_RENDERING_MODE1_ALIASED;
if (analysis->flags & RUNANALYSIS_USE_TRANSFORM)
glyph_bitmap.m = &analysis->m;
if (!(glyph_bitmap.buf = heap_alloc(analysis->max_glyph_bitmap_size))) {
@ -5019,7 +5018,7 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis)
width = bbox->right - bbox->left;
height = bbox->bottom - bbox->top;
glyph_bitmap.pitch = get_glyph_bitmap_pitch(analysis->texture_type, width);
glyph_bitmap.pitch = get_glyph_bitmap_pitch(analysis->rendering_mode, width);
memset(src, 0, height * glyph_bitmap.pitch);
is_1bpp = freetype_get_glyph_bitmap(&glyph_bitmap);
@ -5044,18 +5043,27 @@ static HRESULT glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis)
for (x = 0; x < width; x++)
if (src[x / 8] & masks[x % 8])
dst[x] = DWRITE_ALPHA_MAX;
src += get_dib_stride(width, 1);
src += glyph_bitmap.pitch;
dst += analysis->bounds.right - analysis->bounds.left;
}
}
}
else {
/* at this point it's DWRITE_TEXTURE_CLEARTYPE_3x1 with 8bpp src bitmap */
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
dst[3*x] = dst[3*x+1] = dst[3*x+2] = src[x] | dst[3*x];
src += glyph_bitmap.pitch;
dst += (analysis->bounds.right - analysis->bounds.left) * 3;
if (analysis->texture_type == DWRITE_TEXTURE_CLEARTYPE_3x1) {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
dst[3*x] = dst[3*x+1] = dst[3*x+2] = src[x] | dst[3*x];
src += glyph_bitmap.pitch;
dst += (analysis->bounds.right - analysis->bounds.left) * 3;
}
}
else {
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++)
dst[x] |= src[x];
src += glyph_bitmap.pitch;
dst += analysis->bounds.right - analysis->bounds.left;
}
}
}
}
@ -5223,7 +5231,8 @@ HRESULT create_glyphrunanalysis(const struct glyphrunanalysis_desc *desc, IDWrit
analysis->ref = 1;
analysis->rendering_mode = desc->rendering_mode;
if (desc->rendering_mode == DWRITE_RENDERING_MODE1_ALIASED)
if (desc->rendering_mode == DWRITE_RENDERING_MODE1_ALIASED
|| desc->aa_mode == DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE)
analysis->texture_type = DWRITE_TEXTURE_ALIASED_1x1;
else
analysis->texture_type = DWRITE_TEXTURE_CLEARTYPE_3x1;

6
dlls/dwrite/freetype.c
View File

@ -860,10 +860,10 @@ BOOL freetype_get_glyph_bitmap(struct dwrite_glyphbitmap *bitmap)
else
glyph_copy = NULL;
if (bitmap->type == DWRITE_TEXTURE_CLEARTYPE_3x1)
ret = freetype_get_aa_glyph_bitmap(bitmap, glyph);
else
if (bitmap->aliased)
ret = freetype_get_aliased_glyph_bitmap(bitmap, glyph);
else
ret = freetype_get_aa_glyph_bitmap(bitmap, glyph);
if (glyph_copy)
pFT_Done_Glyph(glyph_copy);

138
dlls/dwrite/tests/font.c
View File

@ -4732,6 +4732,7 @@ static void test_CreateGlyphRunAnalysis(void)
IDWriteGlyphRunAnalysis *analysis, *analysis2;
IDWriteRenderingParams *params;
IDWriteFactory3 *factory3;
IDWriteFactory2 *factory2;
IDWriteFactory *factory;
DWRITE_GLYPH_RUN run;
@ -4745,6 +4746,8 @@ static void test_CreateGlyphRunAnalysis(void)
DWRITE_GLYPH_METRICS metrics;
DWRITE_FONT_METRICS fm;
DWRITE_MATRIX m;
ULONG size;
BYTE *bits;
ULONG ref;
int i;
@ -5057,29 +5060,134 @@ static void test_CreateGlyphRunAnalysis(void)
0.0f, 0.0f, &analysis);
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
/* Natural mode, grayscale antialiased. */
/* Win8 does not accept default grid fitting mode. */
hr = IDWriteFactory2_CreateGlyphRunAnalysis(factory2, &run, NULL, DWRITE_RENDERING_MODE_NATURAL,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_DEFAULT, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == S_OK || broken(hr == E_INVALIDARG) /* Win8 */, "Failed to create glyph run analysis, hr %#x.\n", hr);
if (hr == S_OK) {
hr = IDWriteFactory_CreateCustomRenderingParams(factory, 0.1f, 0.0f, 1.0f, DWRITE_PIXEL_GEOMETRY_FLAT,
DWRITE_RENDERING_MODE_NATURAL, &params);
ok(hr == S_OK, "Failed to create custom parameters, hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_GetAlphaBlendParams(analysis, params, &gamma, &contrast, &cleartype_level);
ok(hr == S_OK, "Failed to get alpha blend params, hr %#x.\n", hr);
todo_wine
ok(cleartype_level == 0.0f, "Unexpected cleartype level %f.\n", cleartype_level);
IDWriteRenderingParams_Release(params);
ok(hr == S_OK || broken(hr == E_INVALIDARG) /* Win8 */, "Failed to create analysis, hr %#x.\n", hr);
if (hr == S_OK)
IDWriteGlyphRunAnalysis_Release(analysis);
}
/* Natural mode, grayscale antialiased. */
hr = IDWriteFactory2_CreateGlyphRunAnalysis(factory2, &run, NULL, DWRITE_RENDERING_MODE_NATURAL,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_DISABLED, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == S_OK, "Failed to create analysis, hr %#x.\n", hr);
SetRect(&rect, 0, 1, 0, 1);
hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect);
ok(hr == S_OK, "Failed to get texture bounds, hr %#x.\n", hr);
ok(IsRectEmpty(&rect), "Expected empty bbox.\n");
SetRectEmpty(&rect);
hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect);
ok(hr == S_OK, "Failed to get texture bounds, hr %#x.\n", hr);
ok(!IsRectEmpty(&rect), "Unexpected empty bbox.\n");
size = (rect.right - rect.left) * (rect.bottom - rect.top);
bits = HeapAlloc(GetProcessHeap(), 0, size);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect, bits, size);
ok(hr == S_OK, "Failed to get alpha texture, hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect, bits, size - 1);
ok(hr == E_NOT_SUFFICIENT_BUFFER, "Unexpected hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect, bits, size);
ok(hr == DWRITE_E_UNSUPPORTEDOPERATION, "Unexpected hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect, bits, size - 1);
todo_wine
ok(hr == DWRITE_E_UNSUPPORTEDOPERATION, "Unexpected hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, bits);
hr = IDWriteFactory_CreateCustomRenderingParams(factory, 0.1f, 0.0f, 1.0f, DWRITE_PIXEL_GEOMETRY_FLAT,
DWRITE_RENDERING_MODE_NATURAL, &params);
ok(hr == S_OK, "Failed to create custom parameters, hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_GetAlphaBlendParams(analysis, params, &gamma, &contrast, &cleartype_level);
ok(hr == S_OK, "Failed to get alpha blend params, hr %#x.\n", hr);
todo_wine
ok(cleartype_level == 0.0f, "Unexpected cleartype level %f.\n", cleartype_level);
IDWriteRenderingParams_Release(params);
IDWriteGlyphRunAnalysis_Release(analysis);
IDWriteFactory2_Release(factory2);
}
if (IDWriteFactory_QueryInterface(factory, &IID_IDWriteFactory3, (void **)&factory3) == S_OK) {
/* Invalid antialias mode. */
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_ALIASED,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_DEFAULT, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE + 1,
0.0f, 0.0f, &analysis);
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
/* Invalid grid fit mode. */
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_ALIASED,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_ENABLED + 1, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
/* Invalid rendering mode. */
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_OUTLINE,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_ENABLED, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
/* Invalid measuring mode. */
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_ALIASED,
DWRITE_MEASURING_MODE_GDI_NATURAL + 1, DWRITE_GRID_FIT_MODE_ENABLED,
DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE, 0.0f, 0.0f, &analysis);
ok(hr == E_INVALIDARG, "Unexpected hr %#x.\n", hr);
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_NATURAL,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_DEFAULT, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == S_OK, "Failed to create analysis, hr %#x.\n", hr);
IDWriteGlyphRunAnalysis_Release(analysis);
/* Natural mode, grayscale antialiased. */
hr = IDWriteFactory3_CreateGlyphRunAnalysis(factory3, &run, NULL, DWRITE_RENDERING_MODE1_NATURAL,
DWRITE_MEASURING_MODE_NATURAL, DWRITE_GRID_FIT_MODE_DISABLED, DWRITE_TEXT_ANTIALIAS_MODE_GRAYSCALE,
0.0f, 0.0f, &analysis);
ok(hr == S_OK, "Failed to create analysis, hr %#x.\n", hr);
SetRect(&rect, 0, 1, 0, 1);
hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect);
ok(hr == S_OK, "Failed to get texture bounds, hr %#x.\n", hr);
ok(IsRectEmpty(&rect), "Expected empty bbox.\n");
SetRectEmpty(&rect);
hr = IDWriteGlyphRunAnalysis_GetAlphaTextureBounds(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect);
ok(hr == S_OK, "Failed to get texture bounds, hr %#x.\n", hr);
ok(!IsRectEmpty(&rect), "Unexpected empty bbox.\n");
size = (rect.right - rect.left) * (rect.bottom - rect.top);
bits = HeapAlloc(GetProcessHeap(), 0, size);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect, bits, size);
ok(hr == S_OK, "Failed to get alpha texture, hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_ALIASED_1x1, &rect, bits, size - 1);
ok(hr == E_NOT_SUFFICIENT_BUFFER, "Unexpected hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect, bits, size);
ok(hr == DWRITE_E_UNSUPPORTEDOPERATION, "Unexpected hr %#x.\n", hr);
hr = IDWriteGlyphRunAnalysis_CreateAlphaTexture(analysis, DWRITE_TEXTURE_CLEARTYPE_3x1, &rect, bits, size - 1);
todo_wine
ok(hr == DWRITE_E_UNSUPPORTEDOPERATION, "Unexpected hr %#x.\n", hr);
HeapFree(GetProcessHeap(), 0, bits);
IDWriteGlyphRunAnalysis_Release(analysis);
IDWriteFactory3_Release(factory3);
}
IDWriteFontFace_Release(face);
ref = IDWriteFactory_Release(factory);
ok(ref == 0, "factory not released, %u\n", ref);