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
|
/*
* Copyright 2013 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm.h"
#include "SkCanvas.h"
#include "SkFontMgr.h"
#include "SkGraphics.h"
#include "SkTypeface.h"
#ifdef SK_BUILD_FOR_WIN
extern SkFontMgr* SkFontMgr_New_GDI();
extern SkFontMgr* SkFontMgr_New_DirectWrite();
#endif
// limit this just so we don't take too long to draw
#define MAX_FAMILIES 30
static SkScalar drawString(SkCanvas* canvas, const SkString& text, SkScalar x,
SkScalar y, const SkPaint& paint) {
canvas->drawText(text.c_str(), text.size(), x, y, paint);
return x + paint.measureText(text.c_str(), text.size());
}
class FontMgrGM : public skiagm::GM {
public:
FontMgrGM(SkFontMgr* (*factory)() = NULL) {
SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
fName.set("fontmgr_iter");
if (factory) {
fName.append("_factory");
fFM.reset(factory());
} else {
fFM.reset(SkFontMgr::RefDefault());
}
}
protected:
virtual SkString onShortName() {
return fName;
}
virtual SkISize onISize() {
return SkISize::Make(640, 1024);
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkScalar y = 20;
SkPaint paint;
paint.setAntiAlias(true);
paint.setLCDRenderText(true);
paint.setSubpixelText(true);
paint.setTextSize(17);
SkFontMgr* fm = fFM;
int count = SkMin32(fm->countFamilies(), MAX_FAMILIES);
for (int i = 0; i < count; ++i) {
SkString fname;
fm->getFamilyName(i, &fname);
paint.setTypeface(NULL);
(void)drawString(canvas, fname, 20, y, paint);
SkScalar x = 220;
SkAutoTUnref<SkFontStyleSet> set(fm->createStyleSet(i));
for (int j = 0; j < set->count(); ++j) {
SkString sname;
SkFontStyle fs;
set->getStyle(j, &fs, &sname);
sname.appendf(" [%d %d %d]", fs.weight(), fs.width(), fs.isItalic());
SkSafeUnref(paint.setTypeface(set->createTypeface(j)));
x = drawString(canvas, sname, x, y, paint) + 20;
}
y += 24;
}
}
virtual uint32_t onGetFlags() const SK_OVERRIDE {
// fontdescriptors (and therefore serialization) don't yet understand
// these new styles, so skip tests that exercise that for now.
// If certain fonts are picked up (e.g. Microsoft Jhenghei 20MB for Regular, 12MB for Bold),
// the resulting pdf can be ~700MB and crashes Chrome's PDF viewer.
return kSkipPicture_Flag | kSkipPipe_Flag | kSkipPDF_Flag;
}
private:
SkAutoTUnref<SkFontMgr> fFM;
SkString fName;
typedef GM INHERITED;
};
class FontMgrMatchGM : public skiagm::GM {
SkAutoTUnref<SkFontMgr> fFM;
public:
FontMgrMatchGM() : fFM(SkFontMgr::RefDefault()) {
SkGraphics::SetFontCacheLimit(16 * 1024 * 1024);
}
protected:
virtual SkString onShortName() {
return SkString("fontmgr_match");
}
virtual SkISize onISize() {
return SkISize::Make(640, 1024);
}
void iterateFamily(SkCanvas* canvas, const SkPaint& paint,
SkFontStyleSet* fset) {
SkPaint p(paint);
SkScalar y = 0;
for (int j = 0; j < fset->count(); ++j) {
SkString sname;
SkFontStyle fs;
fset->getStyle(j, &fs, &sname);
sname.appendf(" [%d %d]", fs.weight(), fs.width());
SkSafeUnref(p.setTypeface(fset->createTypeface(j)));
(void)drawString(canvas, sname, 0, y, p);
y += 24;
}
}
void exploreFamily(SkCanvas* canvas, const SkPaint& paint,
SkFontStyleSet* fset) {
SkPaint p(paint);
SkScalar y = 0;
for (int weight = 100; weight <= 900; weight += 200) {
for (int width = 1; width <= 9; width += 2) {
SkFontStyle fs(weight, width, SkFontStyle::kUpright_Slant);
SkTypeface* face = fset->matchStyle(fs);
if (face) {
SkString str;
str.printf("request [%d %d]", fs.weight(), fs.width());
p.setTypeface(face)->unref();
(void)drawString(canvas, str, 0, y, p);
y += 24;
}
}
}
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
SkPaint paint;
paint.setAntiAlias(true);
paint.setLCDRenderText(true);
paint.setSubpixelText(true);
paint.setTextSize(17);
static const char* gNames[] = {
"Helvetica Neue", "Arial"
};
SkFontStyleSet* fset = NULL;
for (size_t i = 0; i < SK_ARRAY_COUNT(gNames); ++i) {
fset = fFM->matchFamily(gNames[i]);
if (fset && fset->count() > 0) {
break;
}
}
if (NULL == fset) {
return;
}
SkAutoUnref aur(fset);
canvas->translate(20, 40);
this->exploreFamily(canvas, paint, fset);
canvas->translate(150, 0);
this->iterateFamily(canvas, paint, fset);
}
virtual uint32_t onGetFlags() const SK_OVERRIDE {
// fontdescriptors (and therefore serialization) don't yet understand
// these new styles, so skip tests that exercise that for now.
return kSkipPicture_Flag | kSkipPipe_Flag;
}
private:
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
DEF_GM( return SkNEW(FontMgrGM); )
DEF_GM( return SkNEW(FontMgrMatchGM); )
#ifdef SK_BUILD_FOR_WIN
DEF_GM( return SkNEW_ARGS(FontMgrGM, (SkFontMgr_New_DirectWrite)); )
#endif
|
