1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
/*
* Copyright 2009 The Android Open Source Project
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkFontLCDConfig.h"
#include "SkOnce.h"
static SkFontLCDConfig::LCDOrientation gLCDOrientation = SkFontLCDConfig::kHorizontal_LCDOrientation;
static SkFontLCDConfig::LCDOrder gLCDOrder = SkFontLCDConfig::kRGB_LCDOrder;
SkFontLCDConfig::LCDOrientation SkFontLCDConfig::GetSubpixelOrientation() {
return gLCDOrientation;
}
void SkFontLCDConfig::SetSubpixelOrientation(LCDOrientation orientation) {
gLCDOrientation = orientation;
}
SkFontLCDConfig::LCDOrder SkFontLCDConfig::GetSubpixelOrder() {
return gLCDOrder;
}
void SkFontLCDConfig::SetSubpixelOrder(LCDOrder order) {
gLCDOrder = order;
}
///////////////////////////////////////////////////////////////////////////////
// Legacy wrappers : remove from SkFontHost when webkit switches to new API
#include "SkFontHost.h"
SkFontHost::LCDOrientation SkFontHost::GetSubpixelOrientation() {
return (SkFontHost::LCDOrientation)SkFontLCDConfig::GetSubpixelOrientation();
}
void SkFontHost::SetSubpixelOrientation(LCDOrientation orientation) {
SkFontLCDConfig::SetSubpixelOrientation((SkFontLCDConfig::LCDOrientation)orientation);
}
SkFontHost::LCDOrder SkFontHost::GetSubpixelOrder() {
return (SkFontHost::LCDOrder)SkFontLCDConfig::GetSubpixelOrder();
}
void SkFontHost::SetSubpixelOrder(LCDOrder order) {
SkFontLCDConfig::SetSubpixelOrder((SkFontLCDConfig::LCDOrder)order);
}
///////////////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////////
#include "SkFontStyle.h"
SkFontStyle::SkFontStyle() {
fUnion.fU32 = 0;
fUnion.fR.fWeight = kNormal_Weight;
fUnion.fR.fWidth = kNormal_Width;
fUnion.fR.fSlant = kUpright_Slant;
}
SkFontStyle::SkFontStyle(int weight, int width, Slant slant) {
fUnion.fU32 = 0;
fUnion.fR.fWeight = SkPin32(weight, kThin_Weight, kBlack_Weight);
fUnion.fR.fWidth = SkPin32(width, kUltraCondensed_Width, kUltaExpanded_Width);
fUnion.fR.fSlant = SkPin32(slant, kUpright_Slant, kItalic_Slant);
}
#include "SkFontMgr.h"
class SkEmptyFontStyleSet : public SkFontStyleSet {
public:
virtual int count() SK_OVERRIDE { return 0; }
virtual void getStyle(int, SkFontStyle*, SkString*) SK_OVERRIDE {
SkDEBUGFAIL("SkFontStyleSet::getStyle called on empty set");
}
virtual SkTypeface* createTypeface(int index) SK_OVERRIDE {
SkDEBUGFAIL("SkFontStyleSet::createTypeface called on empty set");
return NULL;
}
virtual SkTypeface* matchStyle(const SkFontStyle&) SK_OVERRIDE {
return NULL;
}
};
SkFontStyleSet* SkFontStyleSet::CreateEmpty() {
return SkNEW(SkEmptyFontStyleSet);
}
///////////////////////////////////////////////////////////////////////////////
class SkEmptyFontMgr : public SkFontMgr {
protected:
virtual int onCountFamilies() const SK_OVERRIDE {
return 0;
}
virtual void onGetFamilyName(int index, SkString* familyName) const SK_OVERRIDE {
SkDEBUGFAIL("onGetFamilyName called with bad index");
}
virtual SkFontStyleSet* onCreateStyleSet(int index) const SK_OVERRIDE {
SkDEBUGFAIL("onCreateStyleSet called with bad index");
return NULL;
}
virtual SkFontStyleSet* onMatchFamily(const char[]) const SK_OVERRIDE {
return SkFontStyleSet::CreateEmpty();
}
virtual SkTypeface* onMatchFamilyStyle(const char[],
const SkFontStyle&) const SK_OVERRIDE {
return NULL;
}
virtual SkTypeface* onMatchFaceStyle(const SkTypeface*,
const SkFontStyle&) const SK_OVERRIDE {
return NULL;
}
virtual SkTypeface* onCreateFromData(SkData*, int) const SK_OVERRIDE {
return NULL;
}
virtual SkTypeface* onCreateFromStream(SkStream*, int) const SK_OVERRIDE {
return NULL;
}
virtual SkTypeface* onCreateFromFile(const char[], int) const SK_OVERRIDE {
return NULL;
}
virtual SkTypeface* onLegacyCreateTypeface(const char [], unsigned) const SK_OVERRIDE {
return NULL;
}
};
static SkFontStyleSet* emptyOnNull(SkFontStyleSet* fsset) {
if (NULL == fsset) {
fsset = SkFontStyleSet::CreateEmpty();
}
return fsset;
}
int SkFontMgr::countFamilies() const {
return this->onCountFamilies();
}
void SkFontMgr::getFamilyName(int index, SkString* familyName) const {
this->onGetFamilyName(index, familyName);
}
SkFontStyleSet* SkFontMgr::createStyleSet(int index) const {
return emptyOnNull(this->onCreateStyleSet(index));
}
SkFontStyleSet* SkFontMgr::matchFamily(const char familyName[]) const {
return emptyOnNull(this->onMatchFamily(familyName));
}
SkTypeface* SkFontMgr::matchFamilyStyle(const char familyName[],
const SkFontStyle& fs) const {
return this->onMatchFamilyStyle(familyName, fs);
}
SkTypeface* SkFontMgr::matchFaceStyle(const SkTypeface* face,
const SkFontStyle& fs) const {
return this->onMatchFaceStyle(face, fs);
}
SkTypeface* SkFontMgr::createFromData(SkData* data, int ttcIndex) const {
if (NULL == data) {
return NULL;
}
return this->onCreateFromData(data, ttcIndex);
}
SkTypeface* SkFontMgr::createFromStream(SkStream* stream, int ttcIndex) const {
if (NULL == stream) {
return NULL;
}
return this->onCreateFromStream(stream, ttcIndex);
}
SkTypeface* SkFontMgr::createFromFile(const char path[], int ttcIndex) const {
if (NULL == path) {
return NULL;
}
return this->onCreateFromFile(path, ttcIndex);
}
SkTypeface* SkFontMgr::legacyCreateTypeface(const char familyName[],
unsigned styleBits) const {
return this->onLegacyCreateTypeface(familyName, styleBits);
}
void set_up_default(SkFontMgr** singleton) {
*singleton = SkFontMgr::Factory();
// we never want to return NULL
if (NULL == *singleton) {
*singleton = SkNEW(SkEmptyFontMgr);
}
}
SkFontMgr* SkFontMgr::RefDefault() {
static SkFontMgr* gFM = NULL;
SK_DECLARE_STATIC_ONCE(once);
SkOnce(&once, set_up_default, &gFM);
return SkRef(gFM);
}
//////////////////////////////////////////////////////////////////////////
#ifndef SK_FONTHOST_DOES_NOT_USE_FONTMGR
#if 0
static SkFontStyle TypefaceStyleBitsToFontStyle(SkTypeface::Style styleBits) {
SkFontStyle::Weight weight = (styleBits & SkTypeface::kBold) ?
SkFontStyle::kBold_Weight :
SkFontStyle::kNormal_Weight;
SkFontStyle::Width width = SkFontStyle::kNormal_Width;
SkFontStyle::Slant slant = (styleBits & SkTypeface::kItalic) ?
SkFontStyle::kUpright_Slant :
SkFontStyle::kItalic_Slant;
return SkFontStyle(weight, width, slant);
}
#endif
SkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace,
const char familyName[],
SkTypeface::Style style) {
SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
if (familyFace) {
bool bold = style & SkTypeface::kBold;
bool italic = style & SkTypeface::kItalic;
SkFontStyle newStyle = SkFontStyle(bold ? SkFontStyle::kBold_Weight
: SkFontStyle::kNormal_Weight,
SkFontStyle::kNormal_Width,
italic ? SkFontStyle::kItalic_Slant
: SkFontStyle::kUpright_Slant);
return fm->matchFaceStyle(familyFace, newStyle);
} else {
return fm->legacyCreateTypeface(familyName, style);
}
}
SkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[]) {
SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
return fm->createFromFile(path);
}
SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) {
SkAutoTUnref<SkFontMgr> fm(SkFontMgr::RefDefault());
return fm->createFromStream(stream);
}
#endif
|
