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dwrite: Implement GetRecommendedRenderingMode().

This commit is contained in:
Nikolay Sivov 2015-07-27 11:10:32 +03:00 committed by Alexandre Julliard
parent aac3a069e4
commit e877cfbcfa
4 changed files with 174 additions and 27 deletions
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9
dlls/dwrite/dwrite_private.h
View File

@ -148,6 +148,15 @@ extern HRESULT opentype_get_font_strings_from_id(const void*,DWRITE_INFORMATIONA
extern HRESULT opentype_get_typographic_features(IDWriteFontFace*,UINT32,UINT32,UINT32,UINT32*,DWRITE_FONT_FEATURE_TAG*) DECLSPEC_HIDDEN;
extern BOOL opentype_get_vdmx_size(const void*,INT,UINT16*,UINT16*) DECLSPEC_HIDDEN;
enum gasp_flags {
GASP_GRIDFIT = 0x0001,
GASP_DOGRAY = 0x0002,
GASP_SYMMETRIC_GRIDFIT = 0x0004,
GASP_SYMMETRIC_SMOOTHING = 0x0008,
};
extern WORD opentype_get_gasp_flags(const WORD*,UINT32,INT) DECLSPEC_HIDDEN;
/* BiDi helpers */
extern HRESULT bidi_computelevels(const WCHAR*,UINT32,UINT8,UINT8*,UINT8*) DECLSPEC_HIDDEN;
extern WCHAR bidi_get_mirrored_char(WCHAR) DECLSPEC_HIDDEN;

134
dlls/dwrite/font.c
View File

@ -32,9 +32,14 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define MS_CMAP_TAG DWRITE_MAKE_OPENTYPE_TAG('c','m','a','p')
#define MS_NAME_TAG DWRITE_MAKE_OPENTYPE_TAG('n','a','m','e')
#define MS_VDMX_TAG DWRITE_MAKE_OPENTYPE_TAG('V','D','M','X')
#define MS_GASP_TAG DWRITE_MAKE_OPENTYPE_TAG('g','a','s','p')
static const IID IID_issystemcollection = {0x14d88047,0x331f,0x4cd3,{0xbc,0xa8,0x3e,0x67,0x99,0xaf,0x34,0x75}};
static const FLOAT RECOMMENDED_OUTLINE_AA_THRESHOLD = 100.0f;
static const FLOAT RECOMMENDED_OUTLINE_A_THRESHOLD = 350.0f;
static const FLOAT RECOMMENDED_NATURAL_PPEM = 20.0f;
struct dwrite_font_data {
LONG ref;
@ -129,6 +134,7 @@ struct dwrite_fontface {
struct dwrite_fonttable cmap;
struct dwrite_fonttable vdmx;
struct dwrite_fonttable gasp;
DWRITE_GLYPH_METRICS *glyphs[GLYPH_MAX/GLYPH_BLOCK_SIZE];
};
@ -230,6 +236,13 @@ static inline void* get_fontface_vdmx(struct dwrite_fontface *fontface)
return get_fontface_table(fontface, MS_VDMX_TAG, &fontface->vdmx);
}
static inline void* get_fontface_gasp(struct dwrite_fontface *fontface, UINT32 *size)
{
void *ptr = get_fontface_table(fontface, MS_GASP_TAG, &fontface->gasp);
*size = fontface->gasp.size;
return ptr;
}
static void release_font_data(struct dwrite_font_data *data)
{
int i;
@ -304,6 +317,8 @@ static ULONG WINAPI dwritefontface_Release(IDWriteFontFace2 *iface)
IDWriteFontFace2_ReleaseFontTable(iface, This->cmap.context);
if (This->vdmx.context)
IDWriteFontFace2_ReleaseFontTable(iface, This->vdmx.context);
if (This->gasp.context)
IDWriteFontFace2_ReleaseFontTable(iface, This->gasp.context);
for (i = 0; i < This->file_count; i++) {
if (This->streams[i])
IDWriteFontFileStream_Release(This->streams[i]);
@ -585,12 +600,64 @@ static HRESULT WINAPI dwritefontface_GetGlyphRunOutline(IDWriteFontFace2 *iface,
return S_OK;
}
static DWRITE_RENDERING_MODE fontface_renderingmode_from_measuringmode(DWRITE_MEASURING_MODE measuring,
FLOAT ppem, WORD gasp)
{
DWRITE_RENDERING_MODE mode = DWRITE_RENDERING_MODE_DEFAULT;
switch (measuring)
{
case DWRITE_MEASURING_MODE_NATURAL:
{
if (!(gasp & GASP_SYMMETRIC_SMOOTHING) && (ppem <= RECOMMENDED_NATURAL_PPEM))
mode = DWRITE_RENDERING_MODE_NATURAL;
else
mode = DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC;
break;
}
case DWRITE_MEASURING_MODE_GDI_CLASSIC:
mode = DWRITE_RENDERING_MODE_GDI_CLASSIC;
break;
case DWRITE_MEASURING_MODE_GDI_NATURAL:
mode = DWRITE_RENDERING_MODE_GDI_NATURAL;
break;
default:
;
}
return mode;
}
static HRESULT WINAPI dwritefontface_GetRecommendedRenderingMode(IDWriteFontFace2 *iface, FLOAT emSize,
FLOAT pixels_per_dip, DWRITE_MEASURING_MODE mode, IDWriteRenderingParams* params, DWRITE_RENDERING_MODE* rendering_mode)
FLOAT ppdip, DWRITE_MEASURING_MODE measuring, IDWriteRenderingParams *params, DWRITE_RENDERING_MODE *mode)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p)->(%f %f %d %p %p): stub\n", This, emSize, pixels_per_dip, mode, params, rendering_mode);
return E_NOTIMPL;
WORD gasp, *ptr;
UINT32 size;
FLOAT ppem;
TRACE("(%p)->(%.2f %.2f %d %p %p)\n", This, emSize, ppdip, measuring, params, mode);
if (!params) {
*mode = DWRITE_RENDERING_MODE_DEFAULT;
return E_INVALIDARG;
}
*mode = IDWriteRenderingParams_GetRenderingMode(params);
if (*mode != DWRITE_RENDERING_MODE_DEFAULT)
return S_OK;
ppem = emSize * ppdip;
if (ppem >= RECOMMENDED_OUTLINE_AA_THRESHOLD) {
*mode = DWRITE_RENDERING_MODE_OUTLINE;
return S_OK;
}
ptr = get_fontface_gasp(This, &size);
gasp = opentype_get_gasp_flags(ptr, size, ppem);
*mode = fontface_renderingmode_from_measuringmode(measuring, ppem, gasp);
return S_OK;
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleMetrics(IDWriteFontFace2 *iface, FLOAT emSize, FLOAT pixels_per_dip,
@ -832,10 +899,7 @@ static HRESULT WINAPI dwritefontface1_GetRecommendedRenderingMode(IDWriteFontFac
FLOAT font_emsize, FLOAT dpiX, FLOAT dpiY, const DWRITE_MATRIX *transform, BOOL is_sideways,
DWRITE_OUTLINE_THRESHOLD threshold, DWRITE_MEASURING_MODE measuring_mode, DWRITE_RENDERING_MODE *rendering_mode)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
DWRITE_GRID_FIT_MODE gridfitmode;
TRACE("(%p)->(%.2f %.2f %.2f %p %d %d %d %p)\n", This, font_emsize, dpiX, dpiY, transform, is_sideways,
threshold, measuring_mode, rendering_mode);
return IDWriteFontFace2_GetRecommendedRenderingMode(iface, font_emsize, dpiX, dpiY, transform, is_sideways,
threshold, measuring_mode, NULL, rendering_mode, &gridfitmode);
}
@ -884,15 +948,63 @@ static HRESULT WINAPI dwritefontface2_GetPaletteEntries(IDWriteFontFace2 *iface,
return E_NOTIMPL;
}
static HRESULT WINAPI dwritefontface2_GetRecommendedRenderingMode(IDWriteFontFace2 *iface, FLOAT fontEmSize,
FLOAT dpiX, FLOAT dpiY, DWRITE_MATRIX const *transform, BOOL is_sideways, DWRITE_OUTLINE_THRESHOLD threshold,
static HRESULT WINAPI dwritefontface2_GetRecommendedRenderingMode(IDWriteFontFace2 *iface, FLOAT emSize,
FLOAT dpiX, FLOAT dpiY, DWRITE_MATRIX const *m, BOOL is_sideways, DWRITE_OUTLINE_THRESHOLD threshold,
DWRITE_MEASURING_MODE measuringmode, IDWriteRenderingParams *params, DWRITE_RENDERING_MODE *renderingmode,
DWRITE_GRID_FIT_MODE *gridfitmode)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p)->(%f %f %f %p %d %d %d %p %p %p): stub\n", This, fontEmSize, dpiX, dpiY, transform, is_sideways, threshold,
FLOAT emthreshold;
WORD gasp, *ptr;
UINT32 size;
TRACE("(%p)->(%.2f %.2f %.2f %p %d %d %d %p %p %p)\n", This, emSize, dpiX, dpiY, m, is_sideways, threshold,
measuringmode, params, renderingmode, gridfitmode);
return E_NOTIMPL;
if (m)
FIXME("transform not supported %s\n", debugstr_matrix(m));
if (is_sideways)
FIXME("sideways mode not supported\n");
*renderingmode = DWRITE_RENDERING_MODE_DEFAULT;
*gridfitmode = DWRITE_GRID_FIT_MODE_DEFAULT;
if (params) {
IDWriteRenderingParams2 *params2;
HRESULT hr;
hr = IDWriteRenderingParams_QueryInterface(params, &IID_IDWriteRenderingParams2, (void**)&params2);
if (hr == S_OK) {
*renderingmode = IDWriteRenderingParams2_GetRenderingMode(params2);
*gridfitmode = IDWriteRenderingParams2_GetGridFitMode(params2);
IDWriteRenderingParams2_Release(params2);
}
else
*renderingmode = IDWriteRenderingParams_GetRenderingMode(params);
}
emthreshold = threshold == DWRITE_OUTLINE_THRESHOLD_ANTIALIASED ? RECOMMENDED_OUTLINE_AA_THRESHOLD : RECOMMENDED_OUTLINE_A_THRESHOLD;
ptr = get_fontface_gasp(This, &size);
gasp = opentype_get_gasp_flags(ptr, size, emSize);
if (*renderingmode == DWRITE_RENDERING_MODE_DEFAULT) {
if (emSize >= emthreshold)
*renderingmode = DWRITE_RENDERING_MODE_OUTLINE;
else
*renderingmode = fontface_renderingmode_from_measuringmode(measuringmode, emSize, gasp);
}
if (*gridfitmode == DWRITE_GRID_FIT_MODE_DEFAULT) {
if (emSize >= emthreshold)
*gridfitmode = DWRITE_GRID_FIT_MODE_DISABLED;
else if (measuringmode == DWRITE_MEASURING_MODE_GDI_CLASSIC || measuringmode == DWRITE_MEASURING_MODE_GDI_NATURAL)
*gridfitmode = DWRITE_GRID_FIT_MODE_ENABLED;
else
*gridfitmode = (gasp & (GASP_GRIDFIT|GASP_SYMMETRIC_GRIDFIT)) ? DWRITE_GRID_FIT_MODE_ENABLED : DWRITE_GRID_FIT_MODE_DISABLED;
}
return S_OK;
}
static const IDWriteFontFace2Vtbl dwritefontfacevtbl = {
@ -2344,8 +2456,10 @@ HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDW
fontface->file_count = files_number;
memset(&fontface->cmap, 0, sizeof(fontface->cmap));
memset(&fontface->vdmx, 0, sizeof(fontface->vdmx));
memset(&fontface->gasp, 0, sizeof(fontface->gasp));
fontface->cmap.exists = TRUE;
fontface->vdmx.exists = TRUE;
fontface->gasp.exists = TRUE;
fontface->index = index;
fontface->simulations = simulations;
memset(fontface->glyphs, 0, sizeof(fontface->glyphs));

30
dlls/dwrite/opentype.c
View File

@ -21,6 +21,7 @@
#define COBJMACROS
#include "dwrite_private.h"
#include "winternl.h"
WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
@ -37,8 +38,8 @@ WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define GET_BE_WORD(x) (x)
#define GET_BE_DWORD(x) (x)
#else
#define GET_BE_WORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x))
#define GET_BE_DWORD(x) MAKELONG(GET_BE_WORD(HIWORD(x)), GET_BE_WORD(LOWORD(x)))
#define GET_BE_WORD(x) RtlUshortByteSwap(x)
#define GET_BE_DWORD(x) RtlUlongByteSwap(x)
#endif
typedef struct {
@ -1377,3 +1378,28 @@ BOOL opentype_get_vdmx_size(const void *data, INT emsize, UINT16 *ascent, UINT16
}
return FALSE;
}
WORD opentype_get_gasp_flags(const WORD *ptr, UINT32 size, INT emsize)
{
WORD num_recs, version;
WORD flags = 0;
if (!ptr)
return 0;
version = GET_BE_WORD( *ptr++ );
num_recs = GET_BE_WORD( *ptr++ );
if (version > 1 || size < (num_recs * 2 + 2) * sizeof(WORD)) {
ERR("unsupported gasp table: ver %d size %d recs %d\n", version, size, num_recs);
goto done;
}
while (num_recs--) {
flags = GET_BE_WORD( *(ptr + 1) );
if (emsize <= GET_BE_WORD( *ptr )) break;
ptr += 2;
}
done:
return flags;
}

28
dlls/dwrite/tests/font.c
View File

@ -4238,10 +4238,9 @@ if (0) /* crashes on native */
mode = 10;
hr = IDWriteFontFace_GetRecommendedRenderingMode(fontface, 3.0, 1.0,
DWRITE_MEASURING_MODE_GDI_CLASSIC, NULL, &mode);
todo_wine {
ok(hr == E_INVALIDARG, "got 0x%08x\n", hr);
ok(mode == DWRITE_RENDERING_MODE_DEFAULT, "got %d\n", mode);
}
hr = IDWriteFactory_CreateRenderingParams(factory, &params);
ok(hr == S_OK, "got 0x%08x\n", hr);
@ -4251,24 +4250,16 @@ todo_wine {
for (emsize = 1.0; emsize < 500.0; emsize += 1.0) {
WORD gasp = get_gasp_flags(fontface, emsize);
DWRITE_RENDERING_MODE expected;
int i, skiptest = 0;
int i;
for (i = 0; i < sizeof(recmode_tests)/sizeof(recmode_tests[0]); i++) {
mode = 10;
expected = get_expected_rendering_mode(emsize, gasp, recmode_tests[i].measuring, recmode_tests[i].threshold);
hr = IDWriteFontFace_GetRecommendedRenderingMode(fontface, emsize, 1.0, recmode_tests[i].measuring, params, &mode);
todo_wine
ok(hr == S_OK, "got 0x%08x\n", hr);
if (hr != S_OK) {
skiptest = 1;
break;
}
ok(mode == expected, "%.2f/%d: got %d, flags 0x%04x, expected %d\n", emsize, i, mode, gasp, expected);
}
if (skiptest)
break;
/* IDWriteFontFace1 offers another variant of this method */
if (fontface1) {
for (i = 0; i < sizeof(recmode_tests1)/sizeof(recmode_tests1[0]); i++) {
@ -4308,10 +4299,9 @@ todo_wine {
mode = 10;
hr = IDWriteFontFace_GetRecommendedRenderingMode(fontface, 500.0, 1.0, DWRITE_MEASURING_MODE_NATURAL, params, &mode);
todo_wine {
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(mode == DWRITE_RENDERING_MODE_GDI_CLASSIC, "got %d\n", mode);
}
IDWriteRenderingParams_Release(params);
if (fontface2) {
@ -4326,16 +4316,24 @@ todo_wine {
DWRITE_RENDERING_MODE_OUTLINE, DWRITE_GRID_FIT_MODE_ENABLED, &params2);
ok(hr == S_OK, "got 0x%08x\n", hr);
mode = 10;
gridfit = 10;
hr = IDWriteFontFace2_GetRecommendedRenderingMode(fontface2, 5.0, 96.0, 96.0,
NULL, FALSE, DWRITE_OUTLINE_THRESHOLD_ANTIALIASED, DWRITE_MEASURING_MODE_GDI_CLASSIC,
NULL, &mode, &gridfit);
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(mode == DWRITE_RENDERING_MODE_GDI_CLASSIC, "got %d\n", mode);
ok(gridfit == DWRITE_GRID_FIT_MODE_ENABLED, "got %d\n", gridfit);
mode = 10;
gridfit = 10;
hr = IDWriteFontFace2_GetRecommendedRenderingMode(fontface2, 5.0, 96.0, 96.0,
NULL, FALSE, DWRITE_OUTLINE_THRESHOLD_ANTIALIASED, DWRITE_MEASURING_MODE_GDI_CLASSIC,
(IDWriteRenderingParams*)params2, &mode, &gridfit);
todo_wine {
ok(hr == S_OK, "got 0x%08x\n", hr);
ok(mode == DWRITE_RENDERING_MODE_OUTLINE, "got %d\n", mode);
ok(gridfit == DWRITE_GRID_FIT_MODE_ENABLED, "got %d\n", gridfit);
}
IDWriteRenderingParams2_Release(params2);
IDWriteFactory2_Release(factory2);
}