Sweden-Number/dlls/dwrite/font.c

3449 lines
108 KiB
C

/*
* Font and collections
*
* Copyright 2011 Huw Davies
* Copyright 2012, 2014 Nikolay Sivov for CodeWeavers
* Copyright 2014 Aric Stewart for CodeWeavers
*
* 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <math.h>
#define COBJMACROS
#include "wine/list.h"
#include "dwrite_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(dwrite);
#define MS_HEAD_TAG DWRITE_MAKE_OPENTYPE_TAG('h','e','a','d')
#define MS_OS2_TAG DWRITE_MAKE_OPENTYPE_TAG('O','S','/','2')
#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')
#define MS_CPAL_TAG DWRITE_MAKE_OPENTYPE_TAG('C','P','A','L')
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_propvec {
FLOAT stretch;
FLOAT style;
FLOAT weight;
};
struct dwrite_font_data {
LONG ref;
DWRITE_FONT_STYLE style;
DWRITE_FONT_STRETCH stretch;
DWRITE_FONT_WEIGHT weight;
DWRITE_PANOSE panose;
struct dwrite_font_propvec propvec;
DWRITE_FONT_METRICS1 metrics;
IDWriteLocalizedStrings *info_strings[DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_CID_NAME+1];
IDWriteLocalizedStrings *names;
/* data needed to create fontface instance */
IDWriteFactory2 *factory;
DWRITE_FONT_FACE_TYPE face_type;
IDWriteFontFile *file;
UINT32 face_index;
WCHAR *facename;
};
struct dwrite_fontfamily_data {
LONG ref;
IDWriteLocalizedStrings *familyname;
struct dwrite_font_data **fonts;
UINT32 font_count;
UINT32 font_alloc;
};
struct dwrite_fontcollection {
IDWriteFontCollection IDWriteFontCollection_iface;
LONG ref;
struct dwrite_fontfamily_data **family_data;
UINT32 family_count;
UINT32 family_alloc;
BOOL is_system;
};
struct dwrite_fontfamily {
IDWriteFontFamily IDWriteFontFamily_iface;
LONG ref;
struct dwrite_fontfamily_data *data;
IDWriteFontCollection* collection;
};
struct dwrite_font {
IDWriteFont2 IDWriteFont2_iface;
LONG ref;
IDWriteFontFamily *family;
USHORT simulations;
DWRITE_FONT_STYLE style;
struct dwrite_font_data *data;
};
struct dwrite_fonttable {
void *data;
void *context;
UINT32 size;
BOOL exists;
};
enum runanalysis_readystate {
RUNANALYSIS_BOUNDS = 1 << 0,
RUNANALYSIS_BITMAP = 1 << 1,
};
struct dwrite_glyphrunanalysis {
IDWriteGlyphRunAnalysis IDWriteGlyphRunAnalysis_iface;
LONG ref;
DWRITE_RENDERING_MODE rendering_mode;
DWRITE_GLYPH_RUN run;
FLOAT ppdip;
FLOAT originX;
FLOAT originY;
UINT16 *glyphs;
FLOAT *advances;
DWRITE_GLYPH_OFFSET *offsets;
UINT8 ready;
RECT bounds;
BYTE *bitmap;
};
struct dwrite_colorglyphenum {
IDWriteColorGlyphRunEnumerator IDWriteColorGlyphRunEnumerator_iface;
LONG ref;
};
#define GLYPH_BLOCK_SHIFT 8
#define GLYPH_BLOCK_SIZE (1UL << GLYPH_BLOCK_SHIFT)
#define GLYPH_BLOCK_MASK (GLYPH_BLOCK_SIZE - 1)
#define GLYPH_MAX 65536
struct dwrite_fontface {
IDWriteFontFace2 IDWriteFontFace2_iface;
LONG ref;
IDWriteFontFileStream **streams;
IDWriteFontFile **files;
UINT32 file_count;
UINT32 index;
USHORT simulations;
DWRITE_FONT_FACE_TYPE type;
DWRITE_FONT_METRICS1 metrics;
DWRITE_CARET_METRICS caret;
INT charmap;
BOOL is_symbol;
struct dwrite_fonttable cmap;
struct dwrite_fonttable vdmx;
struct dwrite_fonttable gasp;
struct dwrite_fonttable cpal;
DWRITE_GLYPH_METRICS *glyphs[GLYPH_MAX/GLYPH_BLOCK_SIZE];
};
struct dwrite_fontfile {
IDWriteFontFile IDWriteFontFile_iface;
LONG ref;
IDWriteFontFileLoader *loader;
void *reference_key;
UINT32 key_size;
IDWriteFontFileStream *stream;
};
static inline struct dwrite_fontface *impl_from_IDWriteFontFace2(IDWriteFontFace2 *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontface, IDWriteFontFace2_iface);
}
static inline struct dwrite_font *impl_from_IDWriteFont2(IDWriteFont2 *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_font, IDWriteFont2_iface);
}
static inline struct dwrite_fontfile *impl_from_IDWriteFontFile(IDWriteFontFile *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontfile, IDWriteFontFile_iface);
}
static inline struct dwrite_fontfamily *impl_from_IDWriteFontFamily(IDWriteFontFamily *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontfamily, IDWriteFontFamily_iface);
}
static inline struct dwrite_fontcollection *impl_from_IDWriteFontCollection(IDWriteFontCollection *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_fontcollection, IDWriteFontCollection_iface);
}
static inline struct dwrite_glyphrunanalysis *impl_from_IDWriteGlyphRunAnalysis(IDWriteGlyphRunAnalysis *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_glyphrunanalysis, IDWriteGlyphRunAnalysis_iface);
}
static inline struct dwrite_colorglyphenum *impl_from_IDWriteColorGlyphRunEnumerator(IDWriteColorGlyphRunEnumerator *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_colorglyphenum, IDWriteColorGlyphRunEnumerator_iface);
}
static inline const char *debugstr_tag(UINT32 tag)
{
return wine_dbg_sprintf("%c%c%c%c", tag & 0xff, (tag >> 8) & 0xff, (tag >> 16) & 0xff, tag >> 24);
}
static HRESULT get_cached_glyph_metrics(struct dwrite_fontface *fontface, UINT16 glyph, DWRITE_GLYPH_METRICS *metrics)
{
static const DWRITE_GLYPH_METRICS nil;
DWRITE_GLYPH_METRICS *block = fontface->glyphs[glyph >> GLYPH_BLOCK_SHIFT];
if (!block || !memcmp(&block[glyph & GLYPH_BLOCK_MASK], &nil, sizeof(DWRITE_GLYPH_METRICS))) return S_FALSE;
memcpy(metrics, &block[glyph & GLYPH_BLOCK_MASK], sizeof(*metrics));
return S_OK;
}
static HRESULT set_cached_glyph_metrics(struct dwrite_fontface *fontface, UINT16 glyph, DWRITE_GLYPH_METRICS *metrics)
{
DWRITE_GLYPH_METRICS **block = &fontface->glyphs[glyph >> GLYPH_BLOCK_SHIFT];
if (!*block) {
/* start new block */
*block = heap_alloc_zero(sizeof(*metrics) * GLYPH_BLOCK_SIZE);
if (!*block)
return E_OUTOFMEMORY;
}
memcpy(&(*block)[glyph & GLYPH_BLOCK_MASK], metrics, sizeof(*metrics));
return S_OK;
}
static void* get_fontface_table(struct dwrite_fontface *fontface, UINT32 tag, struct dwrite_fonttable *table)
{
HRESULT hr;
if (table->data || !table->exists)
return table->data;
table->exists = FALSE;
hr = IDWriteFontFace2_TryGetFontTable(&fontface->IDWriteFontFace2_iface, tag, (const void**)&table->data,
&table->size, &table->context, &table->exists);
if (FAILED(hr) || !table->exists) {
WARN("Font does not have a %s table\n", debugstr_tag(tag));
return NULL;
}
return table->data;
}
static void init_font_prop_vec(const struct dwrite_font_props *props, struct dwrite_font_propvec *vec)
{
vec->stretch = ((INT32)props->stretch - DWRITE_FONT_STRETCH_NORMAL) * 11.0f;
vec->style = props->style * 7.0f;
vec->weight = ((INT32)props->weight - DWRITE_FONT_WEIGHT_NORMAL) / 100.0f * 5.0f;
}
static FLOAT get_font_prop_vec_distance(const struct dwrite_font_propvec *left, const struct dwrite_font_propvec *right)
{
return powf(left->stretch - right->stretch, 2) + powf(left->style - right->style, 2) + powf(left->weight - right->weight, 2);
}
static FLOAT get_font_prop_vec_dotproduct(const struct dwrite_font_propvec *left, const struct dwrite_font_propvec *right)
{
return left->stretch * right->stretch + left->style * right->style + left->weight * right->weight;
}
static inline void* get_fontface_cmap(struct dwrite_fontface *fontface)
{
return get_fontface_table(fontface, MS_CMAP_TAG, &fontface->cmap);
}
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 inline void* get_fontface_cpal(struct dwrite_fontface *fontface)
{
return get_fontface_table(fontface, MS_CPAL_TAG, &fontface->cpal);
}
static void release_font_data(struct dwrite_font_data *data)
{
int i;
if (InterlockedDecrement(&data->ref) > 0)
return;
for (i = DWRITE_INFORMATIONAL_STRING_NONE; i < sizeof(data->info_strings)/sizeof(data->info_strings[0]); i++) {
if (data->info_strings[i])
IDWriteLocalizedStrings_Release(data->info_strings[i]);
}
IDWriteLocalizedStrings_Release(data->names);
IDWriteFontFile_Release(data->file);
IDWriteFactory2_Release(data->factory);
heap_free(data->facename);
heap_free(data);
}
static void release_fontfamily_data(struct dwrite_fontfamily_data *data)
{
int i;
if (InterlockedDecrement(&data->ref) > 0)
return;
for (i = 0; i < data->font_count; i++)
release_font_data(data->fonts[i]);
heap_free(data->fonts);
IDWriteLocalizedStrings_Release(data->familyname);
heap_free(data);
}
static HRESULT WINAPI dwritefontface_QueryInterface(IDWriteFontFace2 *iface, REFIID riid, void **obj)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IDWriteFontFace2) ||
IsEqualIID(riid, &IID_IDWriteFontFace1) ||
IsEqualIID(riid, &IID_IDWriteFontFace) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IDWriteFontFace2_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontface_AddRef(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontface_Release(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref) {
UINT32 i;
if (This->cmap.context)
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);
if (This->cpal.context)
IDWriteFontFace2_ReleaseFontTable(iface, This->cpal.context);
for (i = 0; i < This->file_count; i++) {
if (This->streams[i])
IDWriteFontFileStream_Release(This->streams[i]);
if (This->files[i])
IDWriteFontFile_Release(This->files[i]);
}
for (i = 0; i < sizeof(This->glyphs)/sizeof(This->glyphs[0]); i++)
heap_free(This->glyphs[i]);
freetype_notify_cacheremove(iface);
heap_free(This);
}
return ref;
}
static DWRITE_FONT_FACE_TYPE WINAPI dwritefontface_GetType(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return This->type;
}
static HRESULT WINAPI dwritefontface_GetFiles(IDWriteFontFace2 *iface, UINT32 *number_of_files,
IDWriteFontFile **fontfiles)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
int i;
TRACE("(%p)->(%p %p)\n", This, number_of_files, fontfiles);
if (fontfiles == NULL)
{
*number_of_files = This->file_count;
return S_OK;
}
if (*number_of_files < This->file_count)
return E_INVALIDARG;
for (i = 0; i < This->file_count; i++)
{
IDWriteFontFile_AddRef(This->files[i]);
fontfiles[i] = This->files[i];
}
return S_OK;
}
static UINT32 WINAPI dwritefontface_GetIndex(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return This->index;
}
static DWRITE_FONT_SIMULATIONS WINAPI dwritefontface_GetSimulations(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return This->simulations;
}
static BOOL WINAPI dwritefontface_IsSymbolFont(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return This->is_symbol;
}
static void WINAPI dwritefontface_GetMetrics(IDWriteFontFace2 *iface, DWRITE_FONT_METRICS *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%p)\n", This, metrics);
memcpy(metrics, &This->metrics, sizeof(*metrics));
}
static UINT16 WINAPI dwritefontface_GetGlyphCount(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return freetype_get_glyphcount(iface);
}
static HRESULT WINAPI dwritefontface_GetDesignGlyphMetrics(IDWriteFontFace2 *iface,
UINT16 const *glyphs, UINT32 glyph_count, DWRITE_GLYPH_METRICS *ret, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
HRESULT hr;
UINT32 i;
TRACE("(%p)->(%p %u %p %d)\n", This, glyphs, glyph_count, ret, is_sideways);
if (!glyphs)
return E_INVALIDARG;
if (is_sideways)
FIXME("sideways metrics are not supported.\n");
for (i = 0; i < glyph_count; i++) {
DWRITE_GLYPH_METRICS metrics;
hr = get_cached_glyph_metrics(This, glyphs[i], &metrics);
if (hr != S_OK) {
freetype_get_design_glyph_metrics(iface, This->metrics.designUnitsPerEm, glyphs[i], &metrics);
hr = set_cached_glyph_metrics(This, glyphs[i], &metrics);
if (FAILED(hr))
return hr;
}
ret[i] = metrics;
}
return S_OK;
}
static HRESULT WINAPI dwritefontface_GetGlyphIndices(IDWriteFontFace2 *iface, UINT32 const *codepoints,
UINT32 count, UINT16 *glyph_indices)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
UINT32 i;
TRACE("(%p)->(%p %u %p)\n", This, codepoints, count, glyph_indices);
if (!glyph_indices)
return E_INVALIDARG;
if (!codepoints) {
memset(glyph_indices, 0, count*sizeof(UINT16));
return E_INVALIDARG;
}
for (i = 0; i < count; i++)
glyph_indices[i] = freetype_get_glyphindex(iface, codepoints[i], This->charmap);
return S_OK;
}
static HRESULT WINAPI dwritefontface_TryGetFontTable(IDWriteFontFace2 *iface, UINT32 table_tag,
const void **table_data, UINT32 *table_size, void **context, BOOL *exists)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%u %p %p %p %p)\n", This, table_tag, table_data, table_size, context, exists);
return opentype_get_font_table(This->streams[0], This->type, This->index, table_tag, table_data, context, table_size, exists);
}
static void WINAPI dwritefontface_ReleaseFontTable(IDWriteFontFace2 *iface, void *table_context)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%p)\n", This, table_context);
IDWriteFontFileStream_ReleaseFileFragment(This->streams[0], table_context);
}
HRESULT new_glyph_outline(UINT32 count, struct glyph_outline **ret)
{
struct glyph_outline *outline;
D2D1_POINT_2F *points;
UINT8 *tags;
*ret = NULL;
outline = heap_alloc(sizeof(*outline));
if (!outline)
return E_OUTOFMEMORY;
points = heap_alloc(count*sizeof(D2D1_POINT_2F));
tags = heap_alloc_zero(count*sizeof(UINT8));
if (!points || !tags) {
heap_free(points);
heap_free(tags);
heap_free(outline);
return E_OUTOFMEMORY;
}
outline->points = points;
outline->tags = tags;
outline->count = count;
outline->advance = 0.0;
*ret = outline;
return S_OK;
}
static void free_glyph_outline(struct glyph_outline *outline)
{
heap_free(outline->points);
heap_free(outline->tags);
heap_free(outline);
}
static void report_glyph_outline(const struct glyph_outline *outline, IDWriteGeometrySink *sink)
{
UINT16 p;
for (p = 0; p < outline->count; p++) {
if (outline->tags[p] & OUTLINE_POINT_START) {
ID2D1SimplifiedGeometrySink_BeginFigure(sink, outline->points[p], D2D1_FIGURE_BEGIN_FILLED);
continue;
}
if (outline->tags[p] & OUTLINE_POINT_LINE)
ID2D1SimplifiedGeometrySink_AddLines(sink, outline->points+p, 1);
else if (outline->tags[p] & OUTLINE_POINT_BEZIER) {
static const UINT16 segment_length = 3;
ID2D1SimplifiedGeometrySink_AddBeziers(sink, (D2D1_BEZIER_SEGMENT*)&outline->points[p], 1);
p += segment_length - 1;
}
if (outline->tags[p] & OUTLINE_POINT_END)
ID2D1SimplifiedGeometrySink_EndFigure(sink, D2D1_FIGURE_END_CLOSED);
}
}
static inline void translate_glyph_outline(struct glyph_outline *outline, FLOAT xoffset, FLOAT yoffset)
{
UINT16 p;
for (p = 0; p < outline->count; p++) {
outline->points[p].x += xoffset;
outline->points[p].y += yoffset;
}
}
static HRESULT WINAPI dwritefontface_GetGlyphRunOutline(IDWriteFontFace2 *iface, FLOAT emSize,
UINT16 const *glyphs, FLOAT const* advances, DWRITE_GLYPH_OFFSET const *offsets,
UINT32 count, BOOL is_sideways, BOOL is_rtl, IDWriteGeometrySink *sink)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FLOAT advance = 0.0;
HRESULT hr;
UINT32 g;
TRACE("(%p)->(%.2f %p %p %p %u %d %d %p)\n", This, emSize, glyphs, advances, offsets,
count, is_sideways, is_rtl, sink);
if (!glyphs || !sink)
return E_INVALIDARG;
if (is_sideways)
FIXME("sideways mode is not supported.\n");
if (count)
ID2D1SimplifiedGeometrySink_SetFillMode(sink, D2D1_FILL_MODE_WINDING);
for (g = 0; g < count; g++) {
FLOAT xoffset = 0.0, yoffset = 0.0;
struct glyph_outline *outline;
/* FIXME: cache outlines */
hr = freetype_get_glyph_outline(iface, emSize, glyphs[g], This->simulations, &outline);
if (FAILED(hr))
return hr;
/* glyph offsets act as current glyph adjustment */
if (offsets) {
xoffset += is_rtl ? -offsets[g].advanceOffset : offsets[g].advanceOffset;
yoffset -= offsets[g].ascenderOffset;
}
if (g == 0)
advance = is_rtl ? -outline->advance : 0.0;
xoffset += advance;
translate_glyph_outline(outline, xoffset, yoffset);
/* update advance to next glyph */
if (advances)
advance += is_rtl ? -advances[g] : advances[g];
else
advance += is_rtl ? -outline->advance : outline->advance;
report_glyph_outline(outline, sink);
free_glyph_outline(outline);
}
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 ppdip, DWRITE_MEASURING_MODE measuring, IDWriteRenderingParams *params, DWRITE_RENDERING_MODE *mode)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
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,
DWRITE_MATRIX const *transform, DWRITE_FONT_METRICS *metrics)
{
DWRITE_FONT_METRICS1 metrics1;
HRESULT hr = IDWriteFontFace2_GetGdiCompatibleMetrics(iface, emSize, pixels_per_dip, transform, &metrics1);
memcpy(metrics, &metrics1, sizeof(*metrics));
return hr;
}
static inline int round_metric(FLOAT metric)
{
return (int)floorf(metric + 0.5f);
}
static HRESULT WINAPI dwritefontface_GetGdiCompatibleGlyphMetrics(IDWriteFontFace2 *iface, FLOAT emSize, FLOAT ppdip,
DWRITE_MATRIX const *m, BOOL use_gdi_natural, UINT16 const *glyphs, UINT32 glyph_count,
DWRITE_GLYPH_METRICS *metrics, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FLOAT scale;
HRESULT hr;
UINT32 i;
TRACE("(%p)->(%.2f %.2f %p %d %p %u %p %d)\n", This, emSize, ppdip, m, use_gdi_natural, glyphs,
glyph_count, metrics, is_sideways);
if (m && memcmp(m, &identity, sizeof(*m)))
FIXME("transform is not supported, %s\n", debugstr_matrix(m));
scale = emSize * ppdip / This->metrics.designUnitsPerEm;
for (i = 0; i < glyph_count; i++) {
DWRITE_GLYPH_METRICS *ret = metrics + i;
DWRITE_GLYPH_METRICS design;
hr = IDWriteFontFace2_GetDesignGlyphMetrics(iface, glyphs + i, 1, &design, is_sideways);
if (FAILED(hr))
return hr;
#define SCALE_METRIC(x) ret->x = round_metric(round_metric((design.x) * scale) / scale)
SCALE_METRIC(leftSideBearing);
SCALE_METRIC(advanceWidth);
SCALE_METRIC(rightSideBearing);
SCALE_METRIC(topSideBearing);
SCALE_METRIC(advanceHeight);
SCALE_METRIC(bottomSideBearing);
SCALE_METRIC(verticalOriginY);
#undef SCALE_METRIC
}
return S_OK;
}
static void WINAPI dwritefontface1_GetMetrics(IDWriteFontFace2 *iface, DWRITE_FONT_METRICS1 *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%p)\n", This, metrics);
*metrics = This->metrics;
}
static HRESULT WINAPI dwritefontface1_GetGdiCompatibleMetrics(IDWriteFontFace2 *iface, FLOAT em_size, FLOAT pixels_per_dip,
const DWRITE_MATRIX *m, DWRITE_FONT_METRICS1 *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
const DWRITE_FONT_METRICS1 *design = &This->metrics;
UINT16 ascent, descent;
FLOAT scale;
TRACE("(%p)->(%.2f %.2f %p %p)\n", This, em_size, pixels_per_dip, m, metrics);
if (em_size <= 0.0 || pixels_per_dip <= 0.0) {
memset(metrics, 0, sizeof(*metrics));
return E_INVALIDARG;
}
em_size *= pixels_per_dip;
if (m && m->m22 != 0.0)
em_size *= fabs(m->m22);
scale = em_size / design->designUnitsPerEm;
if (!opentype_get_vdmx_size(get_fontface_vdmx(This), em_size, &ascent, &descent)) {
ascent = round_metric(design->ascent * scale);
descent = round_metric(design->descent * scale);
}
#define SCALE_METRIC(x) metrics->x = round_metric(round_metric((design->x) * scale) / scale)
metrics->designUnitsPerEm = design->designUnitsPerEm;
metrics->ascent = round_metric(ascent / scale);
metrics->descent = round_metric(descent / scale);
SCALE_METRIC(lineGap);
SCALE_METRIC(capHeight);
SCALE_METRIC(xHeight);
SCALE_METRIC(underlinePosition);
SCALE_METRIC(underlineThickness);
SCALE_METRIC(strikethroughPosition);
SCALE_METRIC(strikethroughThickness);
SCALE_METRIC(glyphBoxLeft);
SCALE_METRIC(glyphBoxTop);
SCALE_METRIC(glyphBoxRight);
SCALE_METRIC(glyphBoxBottom);
SCALE_METRIC(subscriptPositionX);
SCALE_METRIC(subscriptPositionY);
SCALE_METRIC(subscriptSizeX);
SCALE_METRIC(subscriptSizeY);
SCALE_METRIC(superscriptPositionX);
SCALE_METRIC(superscriptPositionY);
SCALE_METRIC(superscriptSizeX);
SCALE_METRIC(superscriptSizeY);
metrics->hasTypographicMetrics = design->hasTypographicMetrics;
#undef SCALE_METRIC
return S_OK;
}
static void WINAPI dwritefontface1_GetCaretMetrics(IDWriteFontFace2 *iface, DWRITE_CARET_METRICS *metrics)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%p)\n", This, metrics);
*metrics = This->caret;
}
static HRESULT WINAPI dwritefontface1_GetUnicodeRanges(IDWriteFontFace2 *iface, UINT32 max_count,
DWRITE_UNICODE_RANGE *ranges, UINT32 *count)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%u %p %p)\n", This, max_count, ranges, count);
*count = 0;
if (max_count && !ranges)
return E_INVALIDARG;
return opentype_cmap_get_unicode_ranges(get_fontface_cmap(This), max_count, ranges, count);
}
static BOOL WINAPI dwritefontface1_IsMonospacedFont(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return freetype_is_monospaced(iface);
}
static HRESULT WINAPI dwritefontface1_GetDesignGlyphAdvances(IDWriteFontFace2 *iface,
UINT32 glyph_count, UINT16 const *glyphs, INT32 *advances, BOOL is_sideways)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
UINT32 i;
TRACE("(%p)->(%u %p %p %d)\n", This, glyph_count, glyphs, advances, is_sideways);
for (i = 0; i < glyph_count; i++) {
DWRITE_GLYPH_METRICS metrics = { 0 };
HRESULT hr;
hr = IDWriteFontFace2_GetDesignGlyphMetrics(iface, glyphs + i, 1, &metrics, is_sideways);
if (FAILED(hr))
return hr;
advances[i] = is_sideways ? metrics.advanceHeight : metrics.advanceWidth;
}
return S_OK;
}
static HRESULT WINAPI dwritefontface1_GetGdiCompatibleGlyphAdvances(IDWriteFontFace2 *iface,
FLOAT em_size, FLOAT ppdip, const DWRITE_MATRIX *m, BOOL use_gdi_natural,
BOOL is_sideways, UINT32 glyph_count, UINT16 const *glyphs, INT32 *advances)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FLOAT scale;
HRESULT hr;
UINT32 i;
TRACE("(%p)->(%.2f %.2f %p %d %d %u %p %p)\n", This, em_size, ppdip, m,
use_gdi_natural, is_sideways, glyph_count, glyphs, advances);
if (em_size < 0.0 || ppdip <= 0.0) {
memset(advances, 0, sizeof(*advances) * glyph_count);
return E_INVALIDARG;
}
scale = em_size * ppdip / This->metrics.designUnitsPerEm;
if (scale == 0.0) {
memset(advances, 0, sizeof(*advances) * glyph_count);
return S_OK;
}
if (m && memcmp(m, &identity, sizeof(*m)))
FIXME("transform is not supported, %s\n", debugstr_matrix(m));
for (i = 0; i < glyph_count; i++) {
hr = IDWriteFontFace2_GetDesignGlyphAdvances(iface, 1, glyphs + i, advances + i, is_sideways);
if (FAILED(hr))
return hr;
#define SCALE_METRIC(x) x = round_metric(round_metric((x) * scale) / scale)
SCALE_METRIC(advances[i]);
#undef SCALE_METRIC
}
return S_OK;
}
static HRESULT WINAPI dwritefontface1_GetKerningPairAdjustments(IDWriteFontFace2 *iface, UINT32 count,
const UINT16 *indices, INT32 *adjustments)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
UINT32 i;
TRACE("(%p)->(%u %p %p)\n", This, count, indices, adjustments);
if (!(indices || adjustments) || !count)
return E_INVALIDARG;
if (!indices || count == 1) {
memset(adjustments, 0, count*sizeof(INT32));
return E_INVALIDARG;
}
for (i = 0; i < count-1; i++)
adjustments[i] = freetype_get_kerning_pair_adjustment(iface, indices[i], indices[i+1]);
adjustments[count-1] = 0;
return S_OK;
}
static BOOL WINAPI dwritefontface1_HasKerningPairs(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return freetype_has_kerning_pairs(iface);
}
static HRESULT WINAPI dwritefontface1_GetRecommendedRenderingMode(IDWriteFontFace2 *iface,
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)
{
DWRITE_GRID_FIT_MODE gridfitmode;
return IDWriteFontFace2_GetRecommendedRenderingMode(iface, font_emsize, dpiX, dpiY, transform, is_sideways,
threshold, measuring_mode, NULL, rendering_mode, &gridfitmode);
}
static HRESULT WINAPI dwritefontface1_GetVerticalGlyphVariants(IDWriteFontFace2 *iface, UINT32 glyph_count,
const UINT16 *nominal_indices, UINT16 *vertical_indices)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p)->(%u %p %p): stub\n", This, glyph_count, nominal_indices, vertical_indices);
return E_NOTIMPL;
}
static BOOL WINAPI dwritefontface1_HasVerticalGlyphVariants(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p): stub\n", This);
return FALSE;
}
static BOOL WINAPI dwritefontface2_IsColorFont(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
FIXME("(%p): stub\n", This);
return FALSE;
}
static UINT32 WINAPI dwritefontface2_GetColorPaletteCount(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return opentype_get_cpal_palettecount(get_fontface_cpal(This));
}
static UINT32 WINAPI dwritefontface2_GetPaletteEntryCount(IDWriteFontFace2 *iface)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)\n", This);
return opentype_get_cpal_paletteentrycount(get_fontface_cpal(This));
}
static HRESULT WINAPI dwritefontface2_GetPaletteEntries(IDWriteFontFace2 *iface, UINT32 palette_index,
UINT32 first_entry_index, UINT32 entry_count, DWRITE_COLOR_F *entries)
{
struct dwrite_fontface *This = impl_from_IDWriteFontFace2(iface);
TRACE("(%p)->(%u %u %u %p)\n", This, palette_index, first_entry_index, entry_count, entries);
return opentype_get_cpal_entries(get_fontface_cpal(This), palette_index, first_entry_index, entry_count, entries);
}
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);
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);
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 = {
dwritefontface_QueryInterface,
dwritefontface_AddRef,
dwritefontface_Release,
dwritefontface_GetType,
dwritefontface_GetFiles,
dwritefontface_GetIndex,
dwritefontface_GetSimulations,
dwritefontface_IsSymbolFont,
dwritefontface_GetMetrics,
dwritefontface_GetGlyphCount,
dwritefontface_GetDesignGlyphMetrics,
dwritefontface_GetGlyphIndices,
dwritefontface_TryGetFontTable,
dwritefontface_ReleaseFontTable,
dwritefontface_GetGlyphRunOutline,
dwritefontface_GetRecommendedRenderingMode,
dwritefontface_GetGdiCompatibleMetrics,
dwritefontface_GetGdiCompatibleGlyphMetrics,
dwritefontface1_GetMetrics,
dwritefontface1_GetGdiCompatibleMetrics,
dwritefontface1_GetCaretMetrics,
dwritefontface1_GetUnicodeRanges,
dwritefontface1_IsMonospacedFont,
dwritefontface1_GetDesignGlyphAdvances,
dwritefontface1_GetGdiCompatibleGlyphAdvances,
dwritefontface1_GetKerningPairAdjustments,
dwritefontface1_HasKerningPairs,
dwritefontface1_GetRecommendedRenderingMode,
dwritefontface1_GetVerticalGlyphVariants,
dwritefontface1_HasVerticalGlyphVariants,
dwritefontface2_IsColorFont,
dwritefontface2_GetColorPaletteCount,
dwritefontface2_GetPaletteEntryCount,
dwritefontface2_GetPaletteEntries,
dwritefontface2_GetRecommendedRenderingMode
};
static HRESULT get_fontface_from_font(struct dwrite_font *font, IDWriteFontFace2 **fontface)
{
struct dwrite_font_data *data = font->data;
IDWriteFontFace *face;
HRESULT hr;
*fontface = NULL;
hr = IDWriteFactory2_CreateFontFace(data->factory, data->face_type, 1, &data->file,
data->face_index, font->simulations, &face);
if (FAILED(hr))
return hr;
hr = IDWriteFontFace_QueryInterface(face, &IID_IDWriteFontFace2, (void**)fontface);
IDWriteFontFace_Release(face);
return hr;
}
static HRESULT WINAPI dwritefont_QueryInterface(IDWriteFont2 *iface, REFIID riid, void **obj)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IDWriteFont2) ||
IsEqualIID(riid, &IID_IDWriteFont1) ||
IsEqualIID(riid, &IID_IDWriteFont) ||
IsEqualIID(riid, &IID_IUnknown))
{
*obj = iface;
IDWriteFont2_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefont_AddRef(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefont_Release(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref) {
IDWriteFontFamily_Release(This->family);
release_font_data(This->data);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefont_GetFontFamily(IDWriteFont2 *iface, IDWriteFontFamily **family)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)->(%p)\n", This, family);
*family = This->family;
IDWriteFontFamily_AddRef(*family);
return S_OK;
}
static DWRITE_FONT_WEIGHT WINAPI dwritefont_GetWeight(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)\n", This);
return This->data->weight;
}
static DWRITE_FONT_STRETCH WINAPI dwritefont_GetStretch(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)\n", This);
return This->data->stretch;
}
static DWRITE_FONT_STYLE WINAPI dwritefont_GetStyle(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)\n", This);
return This->style;
}
static BOOL WINAPI dwritefont_IsSymbolFont(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteFontFace2 *fontface;
HRESULT hr;
TRACE("(%p)\n", This);
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return hr;
return IDWriteFontFace2_IsSymbolFont(fontface);
}
static HRESULT WINAPI dwritefont_GetFaceNames(IDWriteFont2 *iface, IDWriteLocalizedStrings **names)
{
static const WCHAR boldobliqueW[] = {'B','o','l','d',' ','O','b','l','i','q','u','e',0};
static const WCHAR obliqueW[] = {'O','b','l','i','q','u','e',0};
static const WCHAR boldW[] = {'B','o','l','d',0};
static const WCHAR enusW[] = {'e','n','-','u','s',0};
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteLocalizedStrings *strings;
const WCHAR *name;
HRESULT hr;
TRACE("(%p)->(%p)\n", This, names);
*names = NULL;
if (This->simulations == DWRITE_FONT_SIMULATIONS_NONE)
return clone_localizedstring(This->data->names, names);
switch (This->simulations) {
case DWRITE_FONT_SIMULATIONS_BOLD|DWRITE_FONT_SIMULATIONS_OBLIQUE:
name = boldobliqueW;
break;
case DWRITE_FONT_SIMULATIONS_BOLD:
name = boldW;
break;
case DWRITE_FONT_SIMULATIONS_OBLIQUE:
name = obliqueW;
break;
default:
ERR("unknown simulations %d\n", This->simulations);
return E_FAIL;
}
hr = create_localizedstrings(&strings);
if (FAILED(hr)) return hr;
hr = add_localizedstring(strings, enusW, name);
if (FAILED(hr)) {
IDWriteLocalizedStrings_Release(strings);
return hr;
}
*names = strings;
return S_OK;
}
static HRESULT WINAPI dwritefont_GetInformationalStrings(IDWriteFont2 *iface,
DWRITE_INFORMATIONAL_STRING_ID stringid, IDWriteLocalizedStrings **strings, BOOL *exists)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
struct dwrite_font_data *data = This->data;
HRESULT hr;
TRACE("(%p)->(%d %p %p)\n", This, stringid, strings, exists);
*exists = FALSE;
*strings = NULL;
if (stringid > DWRITE_INFORMATIONAL_STRING_POSTSCRIPT_CID_NAME || stringid == DWRITE_INFORMATIONAL_STRING_NONE)
return S_OK;
if (!data->info_strings[stringid]) {
IDWriteFontFace2 *fontface;
const void *table_data;
BOOL table_exists;
void *context;
UINT32 size;
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return hr;
table_exists = FALSE;
hr = IDWriteFontFace2_TryGetFontTable(fontface, MS_NAME_TAG, &table_data, &size, &context, &table_exists);
if (FAILED(hr) || !table_exists)
WARN("no NAME table found.\n");
if (table_exists) {
hr = opentype_get_font_info_strings(table_data, stringid, &data->info_strings[stringid]);
if (FAILED(hr) || !data->info_strings[stringid])
return hr;
IDWriteFontFace2_ReleaseFontTable(fontface, context);
}
}
hr = clone_localizedstring(data->info_strings[stringid], strings);
if (FAILED(hr))
return hr;
*exists = TRUE;
return S_OK;
}
static DWRITE_FONT_SIMULATIONS WINAPI dwritefont_GetSimulations(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)\n", This);
return This->simulations;
}
static void WINAPI dwritefont_GetMetrics(IDWriteFont2 *iface, DWRITE_FONT_METRICS *metrics)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)->(%p)\n", This, metrics);
memcpy(metrics, &This->data->metrics, sizeof(*metrics));
}
static HRESULT WINAPI dwritefont_HasCharacter(IDWriteFont2 *iface, UINT32 value, BOOL *exists)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteFontFace2 *fontface;
UINT16 index;
HRESULT hr;
TRACE("(%p)->(0x%08x %p)\n", This, value, exists);
*exists = FALSE;
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return hr;
index = 0;
hr = IDWriteFontFace2_GetGlyphIndices(fontface, &value, 1, &index);
if (FAILED(hr))
return hr;
*exists = index != 0;
return S_OK;
}
static HRESULT WINAPI dwritefont_CreateFontFace(IDWriteFont2 *iface, IDWriteFontFace **face)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
HRESULT hr;
TRACE("(%p)->(%p)\n", This, face);
hr = get_fontface_from_font(This, (IDWriteFontFace2**)face);
if (hr == S_OK)
IDWriteFontFace_AddRef(*face);
return hr;
}
static void WINAPI dwritefont1_GetMetrics(IDWriteFont2 *iface, DWRITE_FONT_METRICS1 *metrics)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)->(%p)\n", This, metrics);
*metrics = This->data->metrics;
}
static void WINAPI dwritefont1_GetPanose(IDWriteFont2 *iface, DWRITE_PANOSE *panose)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
TRACE("(%p)->(%p)\n", This, panose);
*panose = This->data->panose;
}
static HRESULT WINAPI dwritefont1_GetUnicodeRanges(IDWriteFont2 *iface, UINT32 max_count, DWRITE_UNICODE_RANGE *ranges, UINT32 *count)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteFontFace2 *fontface;
HRESULT hr;
TRACE("(%p)->(%u %p %p)\n", This, max_count, ranges, count);
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return hr;
return IDWriteFontFace2_GetUnicodeRanges(fontface, max_count, ranges, count);
}
static BOOL WINAPI dwritefont1_IsMonospacedFont(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteFontFace2 *fontface;
HRESULT hr;
TRACE("(%p)\n", This);
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return hr;
return IDWriteFontFace2_IsMonospacedFont(fontface);
}
static BOOL WINAPI dwritefont2_IsColorFont(IDWriteFont2 *iface)
{
struct dwrite_font *This = impl_from_IDWriteFont2(iface);
IDWriteFontFace2 *fontface;
HRESULT hr;
TRACE("(%p)\n", This);
hr = get_fontface_from_font(This, &fontface);
if (FAILED(hr))
return FALSE;
return IDWriteFontFace2_IsColorFont(fontface);
}
static const IDWriteFont2Vtbl dwritefontvtbl = {
dwritefont_QueryInterface,
dwritefont_AddRef,
dwritefont_Release,
dwritefont_GetFontFamily,
dwritefont_GetWeight,
dwritefont_GetStretch,
dwritefont_GetStyle,
dwritefont_IsSymbolFont,
dwritefont_GetFaceNames,
dwritefont_GetInformationalStrings,
dwritefont_GetSimulations,
dwritefont_GetMetrics,
dwritefont_HasCharacter,
dwritefont_CreateFontFace,
dwritefont1_GetMetrics,
dwritefont1_GetPanose,
dwritefont1_GetUnicodeRanges,
dwritefont1_IsMonospacedFont,
dwritefont2_IsColorFont
};
static HRESULT create_font(struct dwrite_font_data *data, IDWriteFontFamily *family, DWRITE_FONT_SIMULATIONS simulations,
IDWriteFont **font)
{
struct dwrite_font *This;
*font = NULL;
This = heap_alloc(sizeof(struct dwrite_font));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFont2_iface.lpVtbl = &dwritefontvtbl;
This->ref = 1;
This->family = family;
IDWriteFontFamily_AddRef(family);
This->simulations = simulations;
This->style = data->style;
This->data = data;
InterlockedIncrement(&This->data->ref);
/* set oblique style from requested simulation */
if ((simulations & DWRITE_FONT_SIMULATIONS_OBLIQUE) && data->style == DWRITE_FONT_STYLE_NORMAL)
This->style = DWRITE_FONT_STYLE_OBLIQUE;
*font = (IDWriteFont*)&This->IDWriteFont2_iface;
return S_OK;
}
static HRESULT WINAPI dwritefontfamily_QueryInterface(IDWriteFontFamily *iface, REFIID riid, void **obj)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDWriteFontList) ||
IsEqualIID(riid, &IID_IDWriteFontFamily))
{
*obj = iface;
IDWriteFontFamily_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontfamily_AddRef(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontfamily_Release(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
IDWriteFontCollection_Release(This->collection);
release_fontfamily_data(This->data);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefontfamily_GetFontCollection(IDWriteFontFamily *iface, IDWriteFontCollection **collection)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%p)\n", This, collection);
*collection = This->collection;
IDWriteFontCollection_AddRef(This->collection);
return S_OK;
}
static UINT32 WINAPI dwritefontfamily_GetFontCount(IDWriteFontFamily *iface)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)\n", This);
return This->data->font_count;
}
static HRESULT WINAPI dwritefontfamily_GetFont(IDWriteFontFamily *iface, UINT32 index, IDWriteFont **font)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
TRACE("(%p)->(%u %p)\n", This, index, font);
*font = NULL;
if (This->data->font_count == 0)
return S_FALSE;
if (index >= This->data->font_count)
return E_INVALIDARG;
return create_font(This->data->fonts[index], iface, DWRITE_FONT_SIMULATIONS_NONE, font);
}
static HRESULT WINAPI dwritefontfamily_GetFamilyNames(IDWriteFontFamily *iface, IDWriteLocalizedStrings **names)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
return clone_localizedstring(This->data->familyname, names);
}
static BOOL is_better_font_match(const struct dwrite_font_propvec *next, const struct dwrite_font_propvec *cur,
const struct dwrite_font_propvec *req)
{
FLOAT cur_to_req = get_font_prop_vec_distance(cur, req);
FLOAT next_to_req = get_font_prop_vec_distance(next, req);
FLOAT cur_req_prod, next_req_prod;
if (next_to_req < cur_to_req)
return TRUE;
if (next_to_req > cur_to_req)
return FALSE;
cur_req_prod = get_font_prop_vec_dotproduct(cur, req);
next_req_prod = get_font_prop_vec_dotproduct(next, req);
if (next_req_prod > cur_req_prod)
return TRUE;
if (next_req_prod < cur_req_prod)
return FALSE;
if (next->stretch > cur->stretch)
return TRUE;
if (next->stretch < cur->stretch)
return FALSE;
if (next->style > cur->style)
return TRUE;
if (next->style < cur->style)
return FALSE;
if (next->weight > cur->weight)
return TRUE;
if (next->weight < cur->weight)
return FALSE;
/* full match, no reason to prefer new variant */
return FALSE;
}
static HRESULT WINAPI dwritefontfamily_GetFirstMatchingFont(IDWriteFontFamily *iface, DWRITE_FONT_WEIGHT weight,
DWRITE_FONT_STRETCH stretch, DWRITE_FONT_STYLE style, IDWriteFont **font)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
struct dwrite_font_props reqprops = { style, stretch, weight };
DWRITE_FONT_SIMULATIONS simulations;
struct dwrite_font_propvec req;
struct dwrite_font_data *match;
UINT32 i;
TRACE("(%p)->(%d %d %d %p)\n", This, weight, stretch, style, font);
if (This->data->font_count == 0) {
*font = NULL;
return DWRITE_E_NOFONT;
}
init_font_prop_vec(&reqprops, &req);
match = This->data->fonts[0];
for (i = 1; i < This->data->font_count; i++) {
if (is_better_font_match(&This->data->fonts[i]->propvec, &match->propvec, &req))
match = This->data->fonts[i];
}
simulations = DWRITE_FONT_SIMULATIONS_NONE;
if (((style == DWRITE_FONT_STYLE_ITALIC) || (style == DWRITE_FONT_STYLE_OBLIQUE)) &&
match->style == DWRITE_FONT_STYLE_NORMAL) {
simulations = DWRITE_FONT_SIMULATIONS_OBLIQUE;
}
return create_font(match, iface, simulations, font);
}
static HRESULT WINAPI dwritefontfamily_GetMatchingFonts(IDWriteFontFamily *iface, DWRITE_FONT_WEIGHT weight,
DWRITE_FONT_STRETCH stretch, DWRITE_FONT_STYLE style, IDWriteFontList **fonts)
{
struct dwrite_fontfamily *This = impl_from_IDWriteFontFamily(iface);
FIXME("(%p)->(%d %d %d %p): stub\n", This, weight, stretch, style, fonts);
return E_NOTIMPL;
}
static const IDWriteFontFamilyVtbl fontfamilyvtbl = {
dwritefontfamily_QueryInterface,
dwritefontfamily_AddRef,
dwritefontfamily_Release,
dwritefontfamily_GetFontCollection,
dwritefontfamily_GetFontCount,
dwritefontfamily_GetFont,
dwritefontfamily_GetFamilyNames,
dwritefontfamily_GetFirstMatchingFont,
dwritefontfamily_GetMatchingFonts
};
static HRESULT create_fontfamily(struct dwrite_fontfamily_data *data, IDWriteFontCollection *collection, IDWriteFontFamily **family)
{
struct dwrite_fontfamily *This;
*family = NULL;
This = heap_alloc(sizeof(struct dwrite_fontfamily));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFontFamily_iface.lpVtbl = &fontfamilyvtbl;
This->ref = 1;
This->collection = collection;
IDWriteFontCollection_AddRef(collection);
This->data = data;
InterlockedIncrement(&This->data->ref);
*family = &This->IDWriteFontFamily_iface;
return S_OK;
}
BOOL is_system_collection(IDWriteFontCollection *collection)
{
void *obj;
return IDWriteFontCollection_QueryInterface(collection, &IID_issystemcollection, (void**)&obj) == S_OK;
}
static HRESULT WINAPI dwritefontcollection_QueryInterface(IDWriteFontCollection *iface, REFIID riid, void **obj)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) ||
IsEqualIID(riid, &IID_IDWriteFontCollection))
{
*obj = iface;
IDWriteFontCollection_AddRef(iface);
return S_OK;
}
*obj = NULL;
if (This->is_system && IsEqualIID(riid, &IID_issystemcollection))
return S_OK;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontcollection_AddRef(IDWriteFontCollection *iface)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontcollection_Release(IDWriteFontCollection *iface)
{
unsigned int i;
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref) {
for (i = 0; i < This->family_count; i++)
release_fontfamily_data(This->family_data[i]);
heap_free(This->family_data);
heap_free(This);
}
return ref;
}
static UINT32 WINAPI dwritefontcollection_GetFontFamilyCount(IDWriteFontCollection *iface)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)\n", This);
return This->family_count;
}
static HRESULT WINAPI dwritefontcollection_GetFontFamily(IDWriteFontCollection *iface, UINT32 index, IDWriteFontFamily **family)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)->(%u %p)\n", This, index, family);
if (index >= This->family_count) {
*family = NULL;
return E_FAIL;
}
return create_fontfamily(This->family_data[index], iface, family);
}
static UINT32 collection_find_family(struct dwrite_fontcollection *collection, const WCHAR *name)
{
UINT32 i;
for (i = 0; i < collection->family_count; i++) {
IDWriteLocalizedStrings *family_name = collection->family_data[i]->familyname;
UINT32 j, count = IDWriteLocalizedStrings_GetCount(family_name);
HRESULT hr;
for (j = 0; j < count; j++) {
WCHAR buffer[255];
hr = IDWriteLocalizedStrings_GetString(family_name, j, buffer, 255);
if (SUCCEEDED(hr) && !strcmpiW(buffer, name))
return i;
}
}
return ~0u;
}
static HRESULT WINAPI dwritefontcollection_FindFamilyName(IDWriteFontCollection *iface, const WCHAR *name, UINT32 *index, BOOL *exists)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
TRACE("(%p)->(%s %p %p)\n", This, debugstr_w(name), index, exists);
*index = collection_find_family(This, name);
*exists = *index != ~0u;
return S_OK;
}
static BOOL is_same_fontfile(IDWriteFontFile *left, IDWriteFontFile *right)
{
UINT32 left_key_size, right_key_size;
const void *left_key, *right_key;
HRESULT hr;
if (left == right)
return TRUE;
hr = IDWriteFontFile_GetReferenceKey(left, &left_key, &left_key_size);
if (FAILED(hr))
return FALSE;
hr = IDWriteFontFile_GetReferenceKey(right, &right_key, &right_key_size);
if (FAILED(hr))
return FALSE;
if (left_key_size != right_key_size)
return FALSE;
return !memcmp(left_key, right_key, left_key_size);
}
static HRESULT WINAPI dwritefontcollection_GetFontFromFontFace(IDWriteFontCollection *iface, IDWriteFontFace *face, IDWriteFont **font)
{
struct dwrite_fontcollection *This = impl_from_IDWriteFontCollection(iface);
struct dwrite_fontfamily_data *found_family = NULL;
struct dwrite_font_data *found_font = NULL;
DWRITE_FONT_SIMULATIONS simulations;
IDWriteFontFamily *family;
UINT32 i, j, face_index;
IDWriteFontFile *file;
HRESULT hr;
TRACE("(%p)->(%p %p)\n", This, face, font);
*font = NULL;
if (!face)
return E_INVALIDARG;
i = 1;
hr = IDWriteFontFace_GetFiles(face, &i, &file);
if (FAILED(hr))
return hr;
face_index = IDWriteFontFace_GetIndex(face);
for (i = 0; i < This->family_count; i++) {
struct dwrite_fontfamily_data *family_data = This->family_data[i];
for (j = 0; j < family_data->font_count; j++) {
struct dwrite_font_data *font_data = family_data->fonts[j];
if (face_index == font_data->face_index && is_same_fontfile(file, font_data->file)) {
found_font = font_data;
found_family = family_data;
break;
}
}
}
if (!found_font)
return DWRITE_E_NOFONT;
hr = create_fontfamily(found_family, iface, &family);
if (FAILED(hr))
return hr;
simulations = IDWriteFontFace_GetSimulations(face);
hr = create_font(found_font, family, simulations, font);
IDWriteFontFamily_Release(family);
return hr;
}
static const IDWriteFontCollectionVtbl fontcollectionvtbl = {
dwritefontcollection_QueryInterface,
dwritefontcollection_AddRef,
dwritefontcollection_Release,
dwritefontcollection_GetFontFamilyCount,
dwritefontcollection_GetFontFamily,
dwritefontcollection_FindFamilyName,
dwritefontcollection_GetFontFromFontFace
};
static HRESULT fontfamily_add_font(struct dwrite_fontfamily_data *family_data, struct dwrite_font_data *font_data)
{
if (family_data->font_count + 1 >= family_data->font_alloc) {
struct dwrite_font_data **new_list;
UINT32 new_alloc;
new_alloc = family_data->font_alloc * 2;
new_list = heap_realloc(family_data->fonts, sizeof(*family_data->fonts) * new_alloc);
if (!new_list)
return E_OUTOFMEMORY;
family_data->fonts = new_list;
family_data->font_alloc = new_alloc;
}
family_data->fonts[family_data->font_count] = font_data;
family_data->font_count++;
return S_OK;
}
static HRESULT fontcollection_add_family(struct dwrite_fontcollection *collection, struct dwrite_fontfamily_data *family)
{
if (collection->family_alloc < collection->family_count + 1) {
struct dwrite_fontfamily_data **new_list;
UINT32 new_alloc;
new_alloc = collection->family_alloc * 2;
new_list = heap_realloc(collection->family_data, sizeof(*new_list) * new_alloc);
if (!new_list)
return E_OUTOFMEMORY;
collection->family_alloc = new_alloc;
collection->family_data = new_list;
}
collection->family_data[collection->family_count] = family;
collection->family_count++;
return S_OK;
}
static HRESULT init_font_collection(struct dwrite_fontcollection *collection, BOOL is_system)
{
collection->IDWriteFontCollection_iface.lpVtbl = &fontcollectionvtbl;
collection->ref = 1;
collection->family_count = 0;
collection->family_alloc = 2;
collection->is_system = is_system;
collection->family_data = heap_alloc(sizeof(*collection->family_data)*2);
if (!collection->family_data)
return E_OUTOFMEMORY;
return S_OK;
}
HRESULT get_filestream_from_file(IDWriteFontFile *file, IDWriteFontFileStream **stream)
{
IDWriteFontFileLoader *loader;
const void *key;
UINT32 key_size;
HRESULT hr;
*stream = NULL;
hr = IDWriteFontFile_GetReferenceKey(file, &key, &key_size);
if (FAILED(hr))
return hr;
hr = IDWriteFontFile_GetLoader(file, &loader);
if (FAILED(hr))
return hr;
hr = IDWriteFontFileLoader_CreateStreamFromKey(loader, key, key_size, stream);
IDWriteFontFileLoader_Release(loader);
if (FAILED(hr))
return hr;
return hr;
}
static HRESULT init_font_data(IDWriteFactory2 *factory, IDWriteFontFile *file, DWRITE_FONT_FACE_TYPE face_type, UINT32 face_index,
IDWriteFontFileStream **stream, struct dwrite_font_data **ret)
{
void *os2_context, *head_context;
const void *tt_os2 = NULL, *tt_head = NULL;
struct dwrite_font_props props;
struct dwrite_font_data *data;
HRESULT hr;
data = heap_alloc_zero(sizeof(*data));
if (!data)
return E_OUTOFMEMORY;
hr = get_filestream_from_file(file, stream);
if (FAILED(hr)) {
heap_free(data);
return hr;
}
data->ref = 1;
data->factory = factory;
data->file = file;
data->face_index = face_index;
data->face_type = face_type;
IDWriteFontFile_AddRef(file);
IDWriteFactory2_AddRef(factory);
opentype_get_font_table(*stream, face_type, face_index, MS_OS2_TAG, &tt_os2, &os2_context, NULL, NULL);
opentype_get_font_table(*stream, face_type, face_index, MS_HEAD_TAG, &tt_head, &head_context, NULL, NULL);
opentype_get_font_properties(*stream, face_type, face_index, &props);
opentype_get_font_metrics(*stream, face_type, face_index, &data->metrics, NULL);
opentype_get_font_facename(*stream, face_type, face_index, &data->names);
data->style = props.style;
data->stretch = props.stretch;
data->weight = props.weight;
data->panose = props.panose;
init_font_prop_vec(&props, &data->propvec);
if (tt_os2)
IDWriteFontFileStream_ReleaseFileFragment(*stream, os2_context);
if (tt_head)
IDWriteFontFileStream_ReleaseFileFragment(*stream, head_context);
*ret = data;
return S_OK;
}
static HRESULT init_fontfamily_data(IDWriteLocalizedStrings *familyname, struct dwrite_fontfamily_data **ret)
{
struct dwrite_fontfamily_data *data;
data = heap_alloc(sizeof(*data));
if (!data)
return E_OUTOFMEMORY;
data->ref = 1;
data->font_count = 0;
data->font_alloc = 2;
data->fonts = heap_alloc(sizeof(*data->fonts)*data->font_alloc);
if (!data->fonts) {
heap_free(data);
return E_OUTOFMEMORY;
}
data->familyname = familyname;
IDWriteLocalizedStrings_AddRef(familyname);
*ret = data;
return S_OK;
}
HRESULT create_font_collection(IDWriteFactory2* factory, IDWriteFontFileEnumerator *enumerator, BOOL is_system, IDWriteFontCollection **ret)
{
struct dwrite_fontcollection *collection;
BOOL current = FALSE;
HRESULT hr = S_OK;
*ret = NULL;
collection = heap_alloc(sizeof(struct dwrite_fontcollection));
if (!collection) return E_OUTOFMEMORY;
hr = init_font_collection(collection, is_system);
if (FAILED(hr)) {
heap_free(collection);
return hr;
}
*ret = &collection->IDWriteFontCollection_iface;
TRACE("building font collection:\n");
while (hr == S_OK) {
DWRITE_FONT_FACE_TYPE face_type;
DWRITE_FONT_FILE_TYPE file_type;
IDWriteFontFile *file;
UINT32 face_count, i;
BOOL supported;
current = FALSE;
hr = IDWriteFontFileEnumerator_MoveNext(enumerator, &current);
if (FAILED(hr) || !current)
break;
hr = IDWriteFontFileEnumerator_GetCurrentFontFile(enumerator, &file);
if (FAILED(hr))
break;
/* failed font files are skipped */
hr = IDWriteFontFile_Analyze(file, &supported, &file_type, &face_type, &face_count);
if (FAILED(hr) || !supported || face_count == 0) {
TRACE("unsupported font (%p, 0x%08x, %d, %u)\n", file, hr, supported, face_count);
IDWriteFontFile_Release(file);
hr = S_OK;
continue;
}
for (i = 0; i < face_count; i++) {
IDWriteLocalizedStrings *family_name = NULL;
struct dwrite_font_data *font_data;
IDWriteFontFileStream *stream;
WCHAR buffer[255];
UINT32 index;
/* alloc and init new font data structure */
hr = init_font_data(factory, file, face_type, i, &stream, &font_data);
if (FAILED(hr))
break;
/* get family name from font file */
hr = opentype_get_font_familyname(stream, face_type, i, &family_name);
IDWriteFontFileStream_Release(stream);
if (FAILED(hr)) {
WARN("unable to get family name from font\n");
release_font_data(font_data);
continue;
}
buffer[0] = 0;
IDWriteLocalizedStrings_GetString(family_name, 0, buffer, sizeof(buffer)/sizeof(WCHAR));
index = collection_find_family(collection, buffer);
if (index != ~0u)
hr = fontfamily_add_font(collection->family_data[index], font_data);
else {
struct dwrite_fontfamily_data *family_data;
/* create and init new family */
hr = init_fontfamily_data(family_name, &family_data);
if (hr == S_OK) {
/* add font to family, family - to collection */
hr = fontfamily_add_font(family_data, font_data);
if (hr == S_OK)
hr = fontcollection_add_family(collection, family_data);
if (FAILED(hr))
release_fontfamily_data(family_data);
}
}
IDWriteLocalizedStrings_Release(family_name);
if (FAILED(hr))
break;
}
IDWriteFontFile_Release(file);
};
return hr;
}
struct system_fontfile_enumerator
{
IDWriteFontFileEnumerator IDWriteFontFileEnumerator_iface;
LONG ref;
IDWriteFactory2 *factory;
HKEY hkey;
int index;
};
static inline struct system_fontfile_enumerator *impl_from_IDWriteFontFileEnumerator(IDWriteFontFileEnumerator* iface)
{
return CONTAINING_RECORD(iface, struct system_fontfile_enumerator, IDWriteFontFileEnumerator_iface);
}
static HRESULT WINAPI systemfontfileenumerator_QueryInterface(IDWriteFontFileEnumerator *iface, REFIID riid, void **obj)
{
*obj = NULL;
if (IsEqualIID(riid, &IID_IDWriteFontFileEnumerator) || IsEqualIID(riid, &IID_IUnknown)) {
IDWriteFontFileEnumerator_AddRef(iface);
*obj = iface;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI systemfontfileenumerator_AddRef(IDWriteFontFileEnumerator *iface)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
return InterlockedIncrement(&enumerator->ref);
}
static ULONG WINAPI systemfontfileenumerator_Release(IDWriteFontFileEnumerator *iface)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
ULONG ref = InterlockedDecrement(&enumerator->ref);
if (!ref) {
IDWriteFactory2_Release(enumerator->factory);
RegCloseKey(enumerator->hkey);
heap_free(enumerator);
}
return ref;
}
static HRESULT WINAPI systemfontfileenumerator_GetCurrentFontFile(IDWriteFontFileEnumerator *iface, IDWriteFontFile **file)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
DWORD ret, type, val_count, count;
WCHAR *value, *filename;
HRESULT hr;
*file = NULL;
if (enumerator->index < 0)
return E_FAIL;
ret = RegQueryInfoKeyW(enumerator->hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &val_count, &count, NULL, NULL);
if (ret != ERROR_SUCCESS)
return E_FAIL;
val_count++;
value = heap_alloc( val_count * sizeof(value[0]) );
filename = heap_alloc(count);
if (!value || !filename) {
heap_free(value);
heap_free(filename);
return E_OUTOFMEMORY;
}
ret = RegEnumValueW(enumerator->hkey, enumerator->index, value, &val_count, NULL, &type, (BYTE*)filename, &count);
if (ret) {
heap_free(value);
heap_free(filename);
return E_FAIL;
}
/* Fonts installed in 'Fonts' system dir don't get full path in registry font files cache */
if (!strchrW(filename, '\\')) {
static const WCHAR fontsW[] = {'\\','f','o','n','t','s','\\',0};
WCHAR fullpathW[MAX_PATH];
GetWindowsDirectoryW(fullpathW, sizeof(fullpathW)/sizeof(WCHAR));
strcatW(fullpathW, fontsW);
strcatW(fullpathW, filename);
hr = IDWriteFactory2_CreateFontFileReference(enumerator->factory, fullpathW, NULL, file);
}
else
hr = IDWriteFactory2_CreateFontFileReference(enumerator->factory, filename, NULL, file);
heap_free(value);
heap_free(filename);
return hr;
}
static HRESULT WINAPI systemfontfileenumerator_MoveNext(IDWriteFontFileEnumerator *iface, BOOL *current)
{
struct system_fontfile_enumerator *enumerator = impl_from_IDWriteFontFileEnumerator(iface);
DWORD ret, max_val_count;
WCHAR *value;
*current = FALSE;
enumerator->index++;
ret = RegQueryInfoKeyW(enumerator->hkey, NULL, NULL, NULL, NULL, NULL, NULL, NULL, &max_val_count, NULL, NULL, NULL);
if (ret != ERROR_SUCCESS)
return E_FAIL;
max_val_count++;
if (!(value = heap_alloc( max_val_count * sizeof(value[0]) )))
return E_OUTOFMEMORY;
/* iterate until we find next string value */
while (1) {
DWORD type = 0, count, val_count;
val_count = max_val_count;
if (RegEnumValueW(enumerator->hkey, enumerator->index, value, &val_count, NULL, &type, NULL, &count))
break;
if (type == REG_SZ) {
*current = TRUE;
break;
}
enumerator->index++;
}
TRACE("index = %d, current = %d\n", enumerator->index, *current);
heap_free(value);
return S_OK;
}
static const struct IDWriteFontFileEnumeratorVtbl systemfontfileenumeratorvtbl =
{
systemfontfileenumerator_QueryInterface,
systemfontfileenumerator_AddRef,
systemfontfileenumerator_Release,
systemfontfileenumerator_MoveNext,
systemfontfileenumerator_GetCurrentFontFile
};
static HRESULT create_system_fontfile_enumerator(IDWriteFactory2 *factory, IDWriteFontFileEnumerator **ret)
{
struct system_fontfile_enumerator *enumerator;
static const WCHAR fontslistW[] = {
'S','o','f','t','w','a','r','e','\\','M','i','c','r','o','s','o','f','t','\\',
'W','i','n','d','o','w','s',' ','N','T','\\','C','u','r','r','e','n','t','V','e','r','s','i','o','n','\\',
'F','o','n','t','s',0
};
*ret = NULL;
enumerator = heap_alloc(sizeof(*enumerator));
if (!enumerator)
return E_OUTOFMEMORY;
enumerator->IDWriteFontFileEnumerator_iface.lpVtbl = &systemfontfileenumeratorvtbl;
enumerator->ref = 1;
enumerator->factory = factory;
enumerator->index = -1;
IDWriteFactory2_AddRef(factory);
if (RegOpenKeyExW(HKEY_LOCAL_MACHINE, fontslistW, 0, GENERIC_READ, &enumerator->hkey)) {
ERR("failed to open fonts list key\n");
IDWriteFactory2_Release(factory);
heap_free(enumerator);
return E_FAIL;
}
*ret = &enumerator->IDWriteFontFileEnumerator_iface;
return S_OK;
}
HRESULT get_system_fontcollection(IDWriteFactory2 *factory, IDWriteFontCollection **collection)
{
IDWriteFontFileEnumerator *enumerator;
HRESULT hr;
*collection = NULL;
hr = create_system_fontfile_enumerator(factory, &enumerator);
if (FAILED(hr))
return hr;
TRACE("building system font collection for factory %p\n", factory);
hr = create_font_collection(factory, enumerator, TRUE, collection);
IDWriteFontFileEnumerator_Release(enumerator);
return hr;
}
static HRESULT WINAPI eudcfontfileenumerator_QueryInterface(IDWriteFontFileEnumerator *iface, REFIID riid, void **obj)
{
*obj = NULL;
if (IsEqualIID(riid, &IID_IDWriteFontFileEnumerator) || IsEqualIID(riid, &IID_IUnknown)) {
IDWriteFontFileEnumerator_AddRef(iface);
*obj = iface;
return S_OK;
}
return E_NOINTERFACE;
}
static ULONG WINAPI eudcfontfileenumerator_AddRef(IDWriteFontFileEnumerator *iface)
{
return 2;
}
static ULONG WINAPI eudcfontfileenumerator_Release(IDWriteFontFileEnumerator *iface)
{
return 1;
}
static HRESULT WINAPI eudcfontfileenumerator_GetCurrentFontFile(IDWriteFontFileEnumerator *iface, IDWriteFontFile **file)
{
*file = NULL;
return E_FAIL;
}
static HRESULT WINAPI eudcfontfileenumerator_MoveNext(IDWriteFontFileEnumerator *iface, BOOL *current)
{
*current = FALSE;
return S_OK;
}
static const struct IDWriteFontFileEnumeratorVtbl eudcfontfileenumeratorvtbl =
{
eudcfontfileenumerator_QueryInterface,
eudcfontfileenumerator_AddRef,
eudcfontfileenumerator_Release,
eudcfontfileenumerator_MoveNext,
eudcfontfileenumerator_GetCurrentFontFile
};
static IDWriteFontFileEnumerator eudc_fontfile_enumerator = { &eudcfontfileenumeratorvtbl };
HRESULT get_eudc_fontcollection(IDWriteFactory2 *factory, IDWriteFontCollection **collection)
{
TRACE("building EUDC font collection for factory %p\n", factory);
return create_font_collection(factory, &eudc_fontfile_enumerator, FALSE, collection);
}
static HRESULT WINAPI dwritefontfile_QueryInterface(IDWriteFontFile *iface, REFIID riid, void **obj)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFile))
{
*obj = iface;
IDWriteFontFile_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI dwritefontfile_AddRef(IDWriteFontFile *iface)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI dwritefontfile_Release(IDWriteFontFile *iface)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref)
{
IDWriteFontFileLoader_Release(This->loader);
if (This->stream) IDWriteFontFileStream_Release(This->stream);
heap_free(This->reference_key);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI dwritefontfile_GetReferenceKey(IDWriteFontFile *iface, const void **fontFileReferenceKey, UINT32 *fontFileReferenceKeySize)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%p, %p)\n", This, fontFileReferenceKey, fontFileReferenceKeySize);
*fontFileReferenceKey = This->reference_key;
*fontFileReferenceKeySize = This->key_size;
return S_OK;
}
static HRESULT WINAPI dwritefontfile_GetLoader(IDWriteFontFile *iface, IDWriteFontFileLoader **fontFileLoader)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
TRACE("(%p)->(%p)\n", This, fontFileLoader);
*fontFileLoader = This->loader;
IDWriteFontFileLoader_AddRef(This->loader);
return S_OK;
}
static HRESULT WINAPI dwritefontfile_Analyze(IDWriteFontFile *iface, BOOL *isSupportedFontType, DWRITE_FONT_FILE_TYPE *fontFileType, DWRITE_FONT_FACE_TYPE *fontFaceType, UINT32 *numberOfFaces)
{
struct dwrite_fontfile *This = impl_from_IDWriteFontFile(iface);
IDWriteFontFileStream *stream;
HRESULT hr;
TRACE("(%p)->(%p, %p, %p, %p)\n", This, isSupportedFontType, fontFileType, fontFaceType, numberOfFaces);
*isSupportedFontType = FALSE;
*fontFileType = DWRITE_FONT_FILE_TYPE_UNKNOWN;
if (fontFaceType)
*fontFaceType = DWRITE_FONT_FACE_TYPE_UNKNOWN;
*numberOfFaces = 0;
hr = IDWriteFontFileLoader_CreateStreamFromKey(This->loader, This->reference_key, This->key_size, &stream);
if (FAILED(hr))
return hr;
hr = opentype_analyze_font(stream, numberOfFaces, fontFileType, fontFaceType, isSupportedFontType);
/* TODO: Further Analysis */
IDWriteFontFileStream_Release(stream);
return S_OK;
}
static const IDWriteFontFileVtbl dwritefontfilevtbl = {
dwritefontfile_QueryInterface,
dwritefontfile_AddRef,
dwritefontfile_Release,
dwritefontfile_GetReferenceKey,
dwritefontfile_GetLoader,
dwritefontfile_Analyze,
};
HRESULT create_font_file(IDWriteFontFileLoader *loader, const void *reference_key, UINT32 key_size, IDWriteFontFile **font_file)
{
struct dwrite_fontfile *This;
This = heap_alloc(sizeof(struct dwrite_fontfile));
if (!This) return E_OUTOFMEMORY;
This->IDWriteFontFile_iface.lpVtbl = &dwritefontfilevtbl;
This->ref = 1;
IDWriteFontFileLoader_AddRef(loader);
This->loader = loader;
This->stream = NULL;
This->reference_key = heap_alloc(key_size);
memcpy(This->reference_key, reference_key, key_size);
This->key_size = key_size;
*font_file = &This->IDWriteFontFile_iface;
return S_OK;
}
static HRESULT get_stream_from_file(IDWriteFontFile *file, IDWriteFontFileStream **stream)
{
IDWriteFontFileLoader *loader;
UINT32 key_size;
const void *key;
HRESULT hr;
*stream = NULL;
hr = IDWriteFontFile_GetLoader(file, &loader);
if (FAILED(hr))
return hr;
hr = IDWriteFontFile_GetReferenceKey(file, &key, &key_size);
if (FAILED(hr)) {
IDWriteFontFileLoader_Release(loader);
return hr;
}
hr = IDWriteFontFileLoader_CreateStreamFromKey(loader, key, key_size, stream);
IDWriteFontFileLoader_Release(loader);
return hr;
}
HRESULT create_fontface(DWRITE_FONT_FACE_TYPE facetype, UINT32 files_number, IDWriteFontFile* const* font_files, UINT32 index,
DWRITE_FONT_SIMULATIONS simulations, IDWriteFontFace2 **ret)
{
struct dwrite_fontface *fontface;
HRESULT hr = S_OK;
int i;
*ret = NULL;
fontface = heap_alloc(sizeof(struct dwrite_fontface));
if (!fontface)
return E_OUTOFMEMORY;
fontface->files = heap_alloc_zero(sizeof(*fontface->files) * files_number);
fontface->streams = heap_alloc_zero(sizeof(*fontface->streams) * files_number);
if (!fontface->files || !fontface->streams) {
heap_free(fontface->files);
heap_free(fontface->streams);
heap_free(fontface);
return E_OUTOFMEMORY;
}
fontface->IDWriteFontFace2_iface.lpVtbl = &dwritefontfacevtbl;
fontface->ref = 1;
fontface->type = facetype;
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));
memset(&fontface->cpal, 0, sizeof(fontface->cpal));
fontface->cmap.exists = TRUE;
fontface->vdmx.exists = TRUE;
fontface->gasp.exists = TRUE;
fontface->cpal.exists = TRUE;
fontface->index = index;
fontface->simulations = simulations;
memset(fontface->glyphs, 0, sizeof(fontface->glyphs));
for (i = 0; i < fontface->file_count; i++) {
hr = get_stream_from_file(font_files[i], &fontface->streams[i]);
if (FAILED(hr)) {
IDWriteFontFace2_Release(&fontface->IDWriteFontFace2_iface);
return hr;
}
fontface->files[i] = font_files[i];
IDWriteFontFile_AddRef(font_files[i]);
}
opentype_get_font_metrics(fontface->streams[0], facetype, index, &fontface->metrics, &fontface->caret);
if (simulations & DWRITE_FONT_SIMULATIONS_OBLIQUE) {
/* TODO: test what happens if caret is already slanted */
if (fontface->caret.slopeRise == 1) {
fontface->caret.slopeRise = fontface->metrics.designUnitsPerEm;
fontface->caret.slopeRun = fontface->caret.slopeRise / 3;
}
}
fontface->charmap = freetype_get_charmap_index(&fontface->IDWriteFontFace2_iface, &fontface->is_symbol);
*ret = &fontface->IDWriteFontFace2_iface;
return S_OK;
}
/* IDWriteLocalFontFileLoader and its required IDWriteFontFileStream */
struct local_refkey
{
FILETIME writetime;
WCHAR name[1];
};
struct local_cached_stream
{
struct list entry;
IDWriteFontFileStream *stream;
struct local_refkey *key;
UINT32 key_size;
};
struct dwrite_localfontfilestream
{
IDWriteFontFileStream IDWriteFontFileStream_iface;
LONG ref;
struct local_cached_stream *entry;
const void *file_ptr;
UINT64 size;
};
struct dwrite_localfontfileloader {
IDWriteLocalFontFileLoader IDWriteLocalFontFileLoader_iface;
LONG ref;
struct list streams;
};
static inline struct dwrite_localfontfileloader *impl_from_IDWriteLocalFontFileLoader(IDWriteLocalFontFileLoader *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_localfontfileloader, IDWriteLocalFontFileLoader_iface);
}
static inline struct dwrite_localfontfilestream *impl_from_IDWriteFontFileStream(IDWriteFontFileStream *iface)
{
return CONTAINING_RECORD(iface, struct dwrite_localfontfilestream, IDWriteFontFileStream_iface);
}
static HRESULT WINAPI localfontfilestream_QueryInterface(IDWriteFontFileStream *iface, REFIID riid, void **obj)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFileStream))
{
*obj = iface;
IDWriteFontFileStream_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI localfontfilestream_AddRef(IDWriteFontFileStream *iface)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static inline void release_cached_stream(struct local_cached_stream *stream)
{
list_remove(&stream->entry);
heap_free(stream->key);
heap_free(stream);
}
static ULONG WINAPI localfontfilestream_Release(IDWriteFontFileStream *iface)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref) {
UnmapViewOfFile(This->file_ptr);
release_cached_stream(This->entry);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI localfontfilestream_ReadFileFragment(IDWriteFontFileStream *iface, void const **fragment_start, UINT64 offset, UINT64 fragment_size, void **fragment_context)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%p, %s, %s, %p)\n",This, fragment_start,
wine_dbgstr_longlong(offset), wine_dbgstr_longlong(fragment_size), fragment_context);
*fragment_context = NULL;
if ((offset >= This->size - 1) || (fragment_size > This->size - offset)) {
*fragment_start = NULL;
return E_FAIL;
}
*fragment_start = (char*)This->file_ptr + offset;
return S_OK;
}
static void WINAPI localfontfilestream_ReleaseFileFragment(IDWriteFontFileStream *iface, void *fragment_context)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%p)\n", This, fragment_context);
}
static HRESULT WINAPI localfontfilestream_GetFileSize(IDWriteFontFileStream *iface, UINT64 *size)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
TRACE("(%p)->(%p)\n", This, size);
*size = This->size;
return S_OK;
}
static HRESULT WINAPI localfontfilestream_GetLastWriteTime(IDWriteFontFileStream *iface, UINT64 *last_writetime)
{
struct dwrite_localfontfilestream *This = impl_from_IDWriteFontFileStream(iface);
ULARGE_INTEGER li;
TRACE("(%p)->(%p)\n", This, last_writetime);
li.u.LowPart = This->entry->key->writetime.dwLowDateTime;
li.u.HighPart = This->entry->key->writetime.dwHighDateTime;
*last_writetime = li.QuadPart;
return S_OK;
}
static const IDWriteFontFileStreamVtbl localfontfilestreamvtbl =
{
localfontfilestream_QueryInterface,
localfontfilestream_AddRef,
localfontfilestream_Release,
localfontfilestream_ReadFileFragment,
localfontfilestream_ReleaseFileFragment,
localfontfilestream_GetFileSize,
localfontfilestream_GetLastWriteTime
};
static HRESULT create_localfontfilestream(const void *file_ptr, UINT64 size, struct local_cached_stream *entry, IDWriteFontFileStream** iface)
{
struct dwrite_localfontfilestream *This = heap_alloc(sizeof(struct dwrite_localfontfilestream));
if (!This)
return E_OUTOFMEMORY;
This->IDWriteFontFileStream_iface.lpVtbl = &localfontfilestreamvtbl;
This->ref = 1;
This->file_ptr = file_ptr;
This->size = size;
This->entry = entry;
*iface = &This->IDWriteFontFileStream_iface;
return S_OK;
}
static HRESULT WINAPI localfontfileloader_QueryInterface(IDWriteLocalFontFileLoader *iface, REFIID riid, void **obj)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), obj);
if (IsEqualIID(riid, &IID_IUnknown) || IsEqualIID(riid, &IID_IDWriteFontFileLoader) || IsEqualIID(riid, &IID_IDWriteLocalFontFileLoader))
{
*obj = iface;
IDWriteLocalFontFileLoader_AddRef(iface);
return S_OK;
}
*obj = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI localfontfileloader_AddRef(IDWriteLocalFontFileLoader *iface)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
return ref;
}
static ULONG WINAPI localfontfileloader_Release(IDWriteLocalFontFileLoader *iface)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%d)\n", This, ref);
if (!ref) {
struct local_cached_stream *stream, *stream2;
/* This will detach all entries from cache. Entries are released together with streams,
so stream controls its lifetime. */
LIST_FOR_EACH_ENTRY_SAFE(stream, stream2, &This->streams, struct local_cached_stream, entry)
list_init(&stream->entry);
heap_free(This);
}
return ref;
}
static HRESULT WINAPI localfontfileloader_CreateStreamFromKey(IDWriteLocalFontFileLoader *iface, const void *key, UINT32 key_size, IDWriteFontFileStream **ret)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
const struct local_refkey *refkey = key;
struct local_cached_stream *stream;
IDWriteFontFileStream *filestream;
HANDLE file, mapping;
LARGE_INTEGER size;
void *file_ptr;
HRESULT hr;
TRACE("(%p)->(%p, %i, %p)\n", This, key, key_size, ret);
TRACE("name: %s\n", debugstr_w(refkey->name));
/* search cache first */
LIST_FOR_EACH_ENTRY(stream, &This->streams, struct local_cached_stream, entry) {
if (key_size == stream->key_size && !memcmp(stream->key, key, key_size)) {
*ret = stream->stream;
IDWriteFontFileStream_AddRef(*ret);
return S_OK;
}
}
*ret = NULL;
file = CreateFileW(refkey->name, GENERIC_READ, FILE_SHARE_READ|FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (file == INVALID_HANDLE_VALUE)
return E_FAIL;
GetFileSizeEx(file, &size);
mapping = CreateFileMappingW(file, NULL, PAGE_READONLY, 0, 0, NULL);
CloseHandle(file);
if (!mapping)
return E_FAIL;
file_ptr = MapViewOfFile(mapping, FILE_MAP_READ, 0, 0, 0);
CloseHandle(mapping);
stream = heap_alloc(sizeof(*stream));
if (!stream) {
UnmapViewOfFile(file_ptr);
return E_OUTOFMEMORY;
}
stream->key = heap_alloc(key_size);
if (!stream->key) {
UnmapViewOfFile(file_ptr);
heap_free(stream);
return E_OUTOFMEMORY;
}
stream->key_size = key_size;
memcpy(stream->key, key, key_size);
hr = create_localfontfilestream(file_ptr, size.QuadPart, stream, &filestream);
if (FAILED(hr)) {
UnmapViewOfFile(file_ptr);
heap_free(stream->key);
heap_free(stream);
return hr;
}
stream->stream = filestream;
list_add_head(&This->streams, &stream->entry);
*ret = stream->stream;
return S_OK;
}
static HRESULT WINAPI localfontfileloader_GetFilePathLengthFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, UINT32 *length)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
const struct local_refkey *refkey = key;
TRACE("(%p)->(%p, %i, %p)\n", This, key, key_size, length);
*length = strlenW(refkey->name);
return S_OK;
}
static HRESULT WINAPI localfontfileloader_GetFilePathFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, WCHAR *path, UINT32 length)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
const struct local_refkey *refkey = key;
TRACE("(%p)->(%p, %i, %p, %i)\n", This, key, key_size, path, length);
if (length < strlenW(refkey->name))
return E_INVALIDARG;
strcpyW(path, refkey->name);
return S_OK;
}
static HRESULT WINAPI localfontfileloader_GetLastWriteTimeFromKey(IDWriteLocalFontFileLoader *iface, void const *key, UINT32 key_size, FILETIME *writetime)
{
struct dwrite_localfontfileloader *This = impl_from_IDWriteLocalFontFileLoader(iface);
const struct local_refkey *refkey = key;
TRACE("(%p)->(%p, %i, %p)\n", This, key, key_size, writetime);
*writetime = refkey->writetime;
return S_OK;
}
static const struct IDWriteLocalFontFileLoaderVtbl localfontfileloadervtbl = {
localfontfileloader_QueryInterface,
localfontfileloader_AddRef,
localfontfileloader_Release,
localfontfileloader_CreateStreamFromKey,
localfontfileloader_GetFilePathLengthFromKey,
localfontfileloader_GetFilePathFromKey,
localfontfileloader_GetLastWriteTimeFromKey
};
HRESULT create_localfontfileloader(IDWriteLocalFontFileLoader** iface)
{
struct dwrite_localfontfileloader *This = heap_alloc(sizeof(struct dwrite_localfontfileloader));
if (!This)
return E_OUTOFMEMORY;
This->IDWriteLocalFontFileLoader_iface.lpVtbl = &localfontfileloadervtbl;
This->ref = 1;
list_init(&This->streams);
*iface = &This->IDWriteLocalFontFileLoader_iface;
return S_OK;
}
HRESULT get_local_refkey(const WCHAR *path, const FILETIME *writetime, void **key, UINT32 *size)
{
struct local_refkey *refkey;
*size = FIELD_OFFSET(struct local_refkey, name) + (strlenW(path)+1)*sizeof(WCHAR);
*key = NULL;
refkey = heap_alloc(*size);
if (!refkey)
return E_OUTOFMEMORY;
if (writetime)
refkey->writetime = *writetime;
else {
WIN32_FILE_ATTRIBUTE_DATA info;
if (GetFileAttributesExW(path, GetFileExInfoStandard, &info))
refkey->writetime = info.ftLastWriteTime;
else
memset(&refkey->writetime, 0, sizeof(refkey->writetime));
}
strcpyW(refkey->name, path);
*key = refkey;
return S_OK;
}
/* IDWriteGlyphRunAnalysis */
static HRESULT WINAPI glyphrunanalysis_QueryInterface(IDWriteGlyphRunAnalysis *iface, REFIID riid, void **ppv)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if (IsEqualIID(riid, &IID_IDWriteGlyphRunAnalysis) ||
IsEqualIID(riid, &IID_IUnknown))
{
*ppv = iface;
IDWriteGlyphRunAnalysis_AddRef(iface);
return S_OK;
}
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI glyphrunanalysis_AddRef(IDWriteGlyphRunAnalysis *iface)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%u)\n", This, ref);
return ref;
}
static ULONG WINAPI glyphrunanalysis_Release(IDWriteGlyphRunAnalysis *iface)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%u)\n", This, ref);
if (!ref) {
if (This->run.fontFace)
IDWriteFontFace_Release(This->run.fontFace);
heap_free(This->glyphs);
heap_free(This->advances);
heap_free(This->offsets);
heap_free(This->bitmap);
heap_free(This);
}
return ref;
}
static void glyphrunanalysis_get_texturebounds(struct dwrite_glyphrunanalysis *analysis, RECT *bounds)
{
IDWriteFontFace2 *fontface2;
BOOL nohint, is_rtl;
FLOAT origin_x;
HRESULT hr;
UINT32 i;
if (analysis->ready & RUNANALYSIS_BOUNDS) {
*bounds = analysis->bounds;
return;
}
if (analysis->run.isSideways)
FIXME("sideways runs are not supported.\n");
hr = IDWriteFontFace_QueryInterface(analysis->run.fontFace, &IID_IDWriteFontFace2, (void**)&fontface2);
if (FAILED(hr))
WARN("failed to get IDWriteFontFace2, 0x%08x\n", hr);
nohint = analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL || analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC;
/* Start with empty bounds at (0,0) origin, returned bounds are not translated back to (0,0), e.g. for
RTL run negative left bound is returned, same goes for vertical direction - top bound will be negative
for any non-zero glyph ascender */
origin_x = 0.0;
is_rtl = analysis->run.bidiLevel & 1;
for (i = 0; i < analysis->run.glyphCount; i++) {
const DWRITE_GLYPH_OFFSET *offset = analysis->offsets ? &analysis->offsets[i] : NULL;
FLOAT advance = analysis->advances[i];
RECT bbox;
freetype_get_glyph_bbox(fontface2, analysis->run.fontEmSize * analysis->ppdip, analysis->run.glyphIndices[i], nohint, &bbox);
if (is_rtl)
OffsetRect(&bbox, origin_x - advance, 0);
else
OffsetRect(&bbox, origin_x, 0);
if (offset)
OffsetRect(&bbox, is_rtl ? -offset->advanceOffset : offset->advanceOffset, is_rtl ? -offset->ascenderOffset : offset->ascenderOffset);
UnionRect(&analysis->bounds, &analysis->bounds, &bbox);
origin_x += is_rtl ? -advance : advance;
}
IDWriteFontFace2_Release(fontface2);
/* translate to given run origin */
OffsetRect(&analysis->bounds, analysis->originX, analysis->originY);
analysis->ready |= RUNANALYSIS_BOUNDS;
*bounds = analysis->bounds;
}
static HRESULT WINAPI glyphrunanalysis_GetAlphaTextureBounds(IDWriteGlyphRunAnalysis *iface, DWRITE_TEXTURE_TYPE type, RECT *bounds)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
TRACE("(%p)->(%d %p)\n", This, type, bounds);
if ((UINT32)type > DWRITE_TEXTURE_CLEARTYPE_3x1) {
memset(bounds, 0, sizeof(*bounds));
return E_INVALIDARG;
}
if ((type == DWRITE_TEXTURE_ALIASED_1x1 && This->rendering_mode != DWRITE_RENDERING_MODE_ALIASED) ||
(type == DWRITE_TEXTURE_CLEARTYPE_3x1 && This->rendering_mode == DWRITE_RENDERING_MODE_ALIASED)) {
memset(bounds, 0, sizeof(*bounds));
return S_OK;
}
glyphrunanalysis_get_texturebounds(This, bounds);
return S_OK;
}
static inline int get_dib_stride( int width, int bpp )
{
return ((width * bpp + 31) >> 3) & ~3;
}
static inline BYTE *get_pixel_ptr(BYTE *ptr, DWRITE_TEXTURE_TYPE type, const RECT *runbounds, const RECT *bounds)
{
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1)
return ptr + (runbounds->top - bounds->top) * (bounds->right - bounds->left) * 3 +
(runbounds->left - bounds->left) * 3;
else
return ptr + (runbounds->top - bounds->top) * (bounds->right - bounds->left) +
runbounds->left - bounds->left;
}
static void glyphrunanalysis_render(struct dwrite_glyphrunanalysis *analysis, DWRITE_TEXTURE_TYPE type)
{
static const BYTE masks[8] = {0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01};
IDWriteFontFace2 *fontface2;
BOOL is_rtl, nohint;
FLOAT origin_x;
UINT32 i, size;
IDWriteFontFace_QueryInterface(analysis->run.fontFace, &IID_IDWriteFontFace2, (void**)&fontface2);
nohint = analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL || analysis->rendering_mode == DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC;
size = (analysis->bounds.right - analysis->bounds.left)*(analysis->bounds.bottom - analysis->bounds.top);
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1)
size *= 3;
analysis->bitmap = heap_alloc_zero(size);
origin_x = 0.0;
is_rtl = analysis->run.bidiLevel & 1;
for (i = 0; i < analysis->run.glyphCount; i++) {
const DWRITE_GLYPH_OFFSET *offset = analysis->offsets ? &analysis->offsets[i] : NULL;
FLOAT advance = analysis->advances[i];
int pitch, x, y, width, height;
BYTE *glyph, *src, *dst;
RECT bbox;
freetype_get_glyph_bbox(fontface2, analysis->run.fontEmSize * analysis->ppdip, analysis->run.glyphIndices[i], nohint, &bbox);
if (IsRectEmpty(&bbox)) {
origin_x += is_rtl ? -advance : advance;
continue;
}
width = bbox.right - bbox.left;
height = bbox.bottom - bbox.top;
pitch = ((width + 31) >> 5) << 2;
src = glyph = heap_alloc_zero((bbox.bottom - bbox.top) * pitch);
freetype_get_glyph_bitmap(fontface2, analysis->run.fontEmSize * analysis->ppdip, analysis->run.glyphIndices[i], &bbox, glyph);
if (is_rtl)
OffsetRect(&bbox, origin_x - advance, 0);
else
OffsetRect(&bbox, origin_x, 0);
if (offset)
OffsetRect(&bbox, is_rtl ? -offset->advanceOffset : offset->advanceOffset, is_rtl ? -offset->ascenderOffset : offset->ascenderOffset);
OffsetRect(&bbox, analysis->originX, analysis->originY);
/* blit to analysis bitmap */
dst = get_pixel_ptr(analysis->bitmap, type, &bbox, &analysis->bounds);
/* convert 1bpp to 8bpp/24bpp */
if (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 / 8] & masks[x % 8]) ? DWRITE_ALPHA_MAX : 0;
src += get_dib_stride(width, 1);
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 / 8] & masks[x % 8]) ? DWRITE_ALPHA_MAX : 0;
src += get_dib_stride(width, 1);
dst += analysis->bounds.right - analysis->bounds.left;
}
}
heap_free(glyph);
origin_x += is_rtl ? -advance : advance;
}
IDWriteFontFace2_Release(fontface2);
analysis->ready |= RUNANALYSIS_BITMAP;
/* we don't need this anymore */
heap_free(analysis->glyphs);
heap_free(analysis->advances);
heap_free(analysis->offsets);
IDWriteFontFace_Release(analysis->run.fontFace);
analysis->glyphs = NULL;
analysis->advances = NULL;
analysis->offsets = NULL;
analysis->run.glyphIndices = NULL;
analysis->run.glyphAdvances = NULL;
analysis->run.glyphOffsets = NULL;
analysis->run.fontFace = NULL;
}
static HRESULT WINAPI glyphrunanalysis_CreateAlphaTexture(IDWriteGlyphRunAnalysis *iface, DWRITE_TEXTURE_TYPE type,
RECT const *bounds, BYTE *bitmap, UINT32 size)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
UINT32 required;
RECT runbounds;
TRACE("(%p)->(%d %s %p %u)\n", This, type, wine_dbgstr_rect(bounds), bitmap, size);
if (!bounds || !bitmap || (UINT32)type > DWRITE_TEXTURE_CLEARTYPE_3x1)
return E_INVALIDARG;
/* make sure buffer is large enough for requested texture type */
required = (bounds->right - bounds->left) * (bounds->bottom - bounds->top);
if (type == DWRITE_TEXTURE_CLEARTYPE_3x1)
required *= 3;
if (size < required)
return E_NOT_SUFFICIENT_BUFFER;
/* validate requested texture type with rendering mode */
switch (This->rendering_mode)
{
case DWRITE_RENDERING_MODE_ALIASED:
if (type != DWRITE_TEXTURE_ALIASED_1x1)
return DWRITE_E_UNSUPPORTEDOPERATION;
break;
case DWRITE_RENDERING_MODE_GDI_CLASSIC:
case DWRITE_RENDERING_MODE_GDI_NATURAL:
case DWRITE_RENDERING_MODE_NATURAL:
case DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC:
if (type != DWRITE_TEXTURE_CLEARTYPE_3x1)
return DWRITE_E_UNSUPPORTEDOPERATION;
break;
default:
;
}
memset(bitmap, 0, size);
glyphrunanalysis_get_texturebounds(This, &runbounds);
if (IntersectRect(&runbounds, &runbounds, bounds)) {
int pixel_size = type == DWRITE_TEXTURE_CLEARTYPE_3x1 ? 3 : 1;
int src_width = (This->bounds.right - This->bounds.left) * pixel_size;
int dst_width = (bounds->right - bounds->left) * pixel_size;
int draw_width = (runbounds.right - runbounds.left) * pixel_size;
BYTE *src, *dst;
int y;
if (!(This->ready & RUNANALYSIS_BITMAP))
glyphrunanalysis_render(This, type);
src = get_pixel_ptr(This->bitmap, type, &runbounds, &This->bounds);
dst = get_pixel_ptr(bitmap, type, &runbounds, bounds);
for (y = 0; y < runbounds.bottom - runbounds.top; y++) {
memcpy(dst, src, draw_width);
src += src_width;
dst += dst_width;
}
}
return S_OK;
}
static HRESULT WINAPI glyphrunanalysis_GetAlphaBlendParams(IDWriteGlyphRunAnalysis *iface, IDWriteRenderingParams *params,
FLOAT *gamma, FLOAT *contrast, FLOAT *cleartypelevel)
{
struct dwrite_glyphrunanalysis *This = impl_from_IDWriteGlyphRunAnalysis(iface);
TRACE("(%p)->(%p %p %p %p)\n", This, params, gamma, contrast, cleartypelevel);
if (!params)
return E_INVALIDARG;
switch (This->rendering_mode)
{
case DWRITE_RENDERING_MODE_GDI_CLASSIC:
case DWRITE_RENDERING_MODE_GDI_NATURAL:
{
UINT value = 0;
SystemParametersInfoW(SPI_GETFONTSMOOTHINGCONTRAST, 0, &value, 0);
*gamma = (FLOAT)value / 1000.0f;
*contrast = 0.0f;
*cleartypelevel = 1.0f;
break;
}
case DWRITE_RENDERING_MODE_ALIASED:
case DWRITE_RENDERING_MODE_NATURAL:
case DWRITE_RENDERING_MODE_NATURAL_SYMMETRIC:
*gamma = IDWriteRenderingParams_GetGamma(params);
*contrast = IDWriteRenderingParams_GetEnhancedContrast(params);
*cleartypelevel = IDWriteRenderingParams_GetClearTypeLevel(params);
break;
default:
;
}
return S_OK;
}
static const struct IDWriteGlyphRunAnalysisVtbl glyphrunanalysisvtbl = {
glyphrunanalysis_QueryInterface,
glyphrunanalysis_AddRef,
glyphrunanalysis_Release,
glyphrunanalysis_GetAlphaTextureBounds,
glyphrunanalysis_CreateAlphaTexture,
glyphrunanalysis_GetAlphaBlendParams
};
HRESULT create_glyphrunanalysis(DWRITE_RENDERING_MODE rendering_mode, DWRITE_MEASURING_MODE measuring_mode, DWRITE_GLYPH_RUN const *run,
FLOAT ppdip, DWRITE_GRID_FIT_MODE gridfit_mode, DWRITE_TEXT_ANTIALIAS_MODE aa_mode, FLOAT originX, FLOAT originY, IDWriteGlyphRunAnalysis **ret)
{
struct dwrite_glyphrunanalysis *analysis;
*ret = NULL;
/* check for valid rendering mode */
if ((UINT32)rendering_mode >= DWRITE_RENDERING_MODE_OUTLINE || rendering_mode == DWRITE_RENDERING_MODE_DEFAULT)
return E_INVALIDARG;
analysis = heap_alloc(sizeof(*analysis));
if (!analysis)
return E_OUTOFMEMORY;
analysis->IDWriteGlyphRunAnalysis_iface.lpVtbl = &glyphrunanalysisvtbl;
analysis->ref = 1;
analysis->rendering_mode = rendering_mode;
analysis->ready = 0;
analysis->bitmap = NULL;
analysis->ppdip = ppdip;
analysis->originX = originX;
analysis->originY = originY;
SetRectEmpty(&analysis->bounds);
analysis->run = *run;
IDWriteFontFace_AddRef(analysis->run.fontFace);
analysis->glyphs = heap_alloc(run->glyphCount*sizeof(*run->glyphIndices));
analysis->advances = heap_alloc(run->glyphCount*sizeof(*run->glyphAdvances));
analysis->offsets = run->glyphOffsets ? heap_alloc(run->glyphCount*sizeof(*run->glyphOffsets)) : NULL;
if (!analysis->glyphs || !analysis->advances || (!analysis->offsets && run->glyphOffsets)) {
heap_free(analysis->glyphs);
heap_free(analysis->advances);
heap_free(analysis->offsets);
analysis->glyphs = NULL;
analysis->advances = NULL;
analysis->offsets = NULL;
IDWriteGlyphRunAnalysis_Release(&analysis->IDWriteGlyphRunAnalysis_iface);
return E_OUTOFMEMORY;
}
analysis->run.glyphIndices = analysis->glyphs;
analysis->run.glyphAdvances = analysis->advances;
analysis->run.glyphOffsets = analysis->offsets;
memcpy(analysis->glyphs, run->glyphIndices, run->glyphCount*sizeof(*run->glyphIndices));
if (run->glyphAdvances)
memcpy(analysis->advances, run->glyphAdvances, run->glyphCount*sizeof(*run->glyphAdvances));
else {
DWRITE_FONT_METRICS metrics;
IDWriteFontFace1 *fontface1;
UINT32 i;
IDWriteFontFace_GetMetrics(run->fontFace, &metrics);
IDWriteFontFace_QueryInterface(run->fontFace, &IID_IDWriteFontFace1, (void**)&fontface1);
for (i = 0; i < run->glyphCount; i++) {
HRESULT hr;
INT32 a;
switch (measuring_mode)
{
case DWRITE_MEASURING_MODE_NATURAL:
hr = IDWriteFontFace1_GetDesignGlyphAdvances(fontface1, 1, run->glyphIndices + i, &a, run->isSideways);
if (FAILED(hr))
a = 0;
analysis->advances[i] = get_scaled_advance_width(a, run->fontEmSize, &metrics);
break;
case DWRITE_MEASURING_MODE_GDI_CLASSIC:
case DWRITE_MEASURING_MODE_GDI_NATURAL:
hr = IDWriteFontFace1_GetGdiCompatibleGlyphAdvances(fontface1, run->fontEmSize, ppdip, NULL /* FIXME */,
measuring_mode == DWRITE_MEASURING_MODE_GDI_NATURAL, run->isSideways, 1, run->glyphIndices + i, &a);
if (FAILED(hr))
analysis->advances[i] = 0.0;
else
analysis->advances[i] = floorf(a * run->fontEmSize * ppdip / metrics.designUnitsPerEm + 0.5f) / ppdip;
break;
default:
;
}
}
IDWriteFontFace1_Release(fontface1);
}
if (run->glyphOffsets)
memcpy(analysis->offsets, run->glyphOffsets, run->glyphCount*sizeof(*run->glyphOffsets));
*ret = &analysis->IDWriteGlyphRunAnalysis_iface;
return S_OK;
}
/* IDWriteColorGlyphRunEnumerator */
static HRESULT WINAPI colorglyphenum_QueryInterface(IDWriteColorGlyphRunEnumerator *iface, REFIID riid, void **ppv)
{
struct dwrite_colorglyphenum *This = impl_from_IDWriteColorGlyphRunEnumerator(iface);
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
if (IsEqualIID(riid, &IID_IDWriteColorGlyphRunEnumerator) ||
IsEqualIID(riid, &IID_IUnknown))
{
*ppv = iface;
IDWriteColorGlyphRunEnumerator_AddRef(iface);
return S_OK;
}
*ppv = NULL;
return E_NOINTERFACE;
}
static ULONG WINAPI colorglyphenum_AddRef(IDWriteColorGlyphRunEnumerator *iface)
{
struct dwrite_colorglyphenum *This = impl_from_IDWriteColorGlyphRunEnumerator(iface);
ULONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p)->(%u)\n", This, ref);
return ref;
}
static ULONG WINAPI colorglyphenum_Release(IDWriteColorGlyphRunEnumerator *iface)
{
struct dwrite_colorglyphenum *This = impl_from_IDWriteColorGlyphRunEnumerator(iface);
ULONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p)->(%u)\n", This, ref);
if (!ref)
heap_free(This);
return ref;
}
static HRESULT WINAPI colorglyphenum_MoveNext(IDWriteColorGlyphRunEnumerator *iface, BOOL *has_run)
{
struct dwrite_colorglyphenum *This = impl_from_IDWriteColorGlyphRunEnumerator(iface);
FIXME("(%p)->(%p): stub\n", This, has_run);
return E_NOTIMPL;
}
static HRESULT WINAPI colorglyphenum_GetCurrentRun(IDWriteColorGlyphRunEnumerator *iface, DWRITE_COLOR_GLYPH_RUN const **run)
{
struct dwrite_colorglyphenum *This = impl_from_IDWriteColorGlyphRunEnumerator(iface);
FIXME("(%p)->(%p): stub\n", This, run);
return E_NOTIMPL;
}
static const IDWriteColorGlyphRunEnumeratorVtbl colorglyphenumvtbl = {
colorglyphenum_QueryInterface,
colorglyphenum_AddRef,
colorglyphenum_Release,
colorglyphenum_MoveNext,
colorglyphenum_GetCurrentRun
};
HRESULT create_colorglyphenum(FLOAT originX, FLOAT originY, const DWRITE_GLYPH_RUN *run, const DWRITE_GLYPH_RUN_DESCRIPTION *rundescr,
DWRITE_MEASURING_MODE mode, const DWRITE_MATRIX *transform, UINT32 palette, IDWriteColorGlyphRunEnumerator **ret)
{
struct dwrite_colorglyphenum *colorglyphenum;
*ret = NULL;
colorglyphenum = heap_alloc(sizeof(*colorglyphenum));
if (!colorglyphenum)
return E_OUTOFMEMORY;
colorglyphenum->IDWriteColorGlyphRunEnumerator_iface.lpVtbl = &colorglyphenumvtbl;
colorglyphenum->ref = 1;
*ret = &colorglyphenum->IDWriteColorGlyphRunEnumerator_iface;
return S_OK;
}