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
251
252
253
254
|
/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Benchmark.h"
#include "Resources.h"
#include "SkAutoPixmapStorage.h"
#include "SkData.h"
#include "SkGradientShader.h"
#include "SkImage.h"
#include "SkPDFBitmap.h"
#include "SkPDFDocument.h"
#include "SkPDFShader.h"
#include "SkPDFUtils.h"
#include "SkPixmap.h"
#include "SkRandom.h"
#include "SkStream.h"
namespace {
struct NullWStream : public SkWStream {
NullWStream() : fN(0) {}
bool write(const void*, size_t n) override { fN += n; return true; }
size_t bytesWritten() const override { return fN; }
size_t fN;
};
static void test_pdf_object_serialization(const sk_sp<SkPDFObject> object) {
// SkDebugWStream wStream;
NullWStream wStream;
SkPDFSubstituteMap substitutes;
SkPDFObjNumMap objNumMap;
objNumMap.addObjectRecursively(object.get(), substitutes);
for (int i = 0; i < objNumMap.objects().count(); ++i) {
SkPDFObject* object = objNumMap.objects()[i].get();
wStream.writeDecAsText(i + 1);
wStream.writeText(" 0 obj\n");
object->emitObject(&wStream, objNumMap, substitutes);
wStream.writeText("\nendobj\n");
}
}
class PDFImageBench : public Benchmark {
public:
PDFImageBench() {}
virtual ~PDFImageBench() {}
protected:
const char* onGetName() override { return "PDFImage"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
sk_sp<SkImage> img(GetResourceAsImage("color_wheel.png"));
if (img) {
// force decoding, throw away reference to encoded data.
SkAutoPixmapStorage pixmap;
pixmap.alloc(SkImageInfo::MakeN32Premul(img->dimensions()));
if (img->readPixels(pixmap, 0, 0)) {
fImage = SkImage::MakeRasterCopy(pixmap);
}
}
}
void onDraw(int loops, SkCanvas*) override {
if (!fImage) {
return;
}
while (loops-- > 0) {
auto object = SkPDFCreateBitmapObject(fImage, nullptr);
SkASSERT(object);
if (!object) {
return;
}
test_pdf_object_serialization(object);
}
}
private:
sk_sp<SkImage> fImage;
};
class PDFJpegImageBench : public Benchmark {
public:
PDFJpegImageBench() {}
virtual ~PDFJpegImageBench() {}
protected:
const char* onGetName() override { return "PDFJpegImage"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
sk_sp<SkImage> img(GetResourceAsImage("mandrill_512_q075.jpg"));
if (!img) { return; }
sk_sp<SkData> encoded(img->refEncoded());
SkASSERT(encoded);
if (!encoded) { return; }
fImage = img;
}
void onDraw(int loops, SkCanvas*) override {
if (!fImage) {
SkDEBUGFAIL("");
return;
}
while (loops-- > 0) {
auto object = SkPDFCreateBitmapObject(fImage, nullptr);
SkASSERT(object);
if (!object) {
return;
}
test_pdf_object_serialization(object);
}
}
private:
sk_sp<SkImage> fImage;
};
/** Test calling DEFLATE on a 78k PDF command stream. Used for measuring
alternate zlib settings, usage, and library versions. */
class PDFCompressionBench : public Benchmark {
public:
PDFCompressionBench() {}
virtual ~PDFCompressionBench() {}
protected:
const char* onGetName() override { return "PDFCompression"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDelayedSetup() override {
fAsset.reset(GetResourceAsStream("pdf_command_stream.txt"));
}
void onDraw(int loops, SkCanvas*) override {
SkASSERT(fAsset);
if (!fAsset) { return; }
while (loops-- > 0) {
sk_sp<SkPDFObject> object =
sk_make_sp<SkPDFSharedStream>(
std::unique_ptr<SkStreamAsset>(fAsset->duplicate()));
test_pdf_object_serialization(object);
}
}
private:
SkAutoTDelete<SkStreamAsset> fAsset;
};
// Test speed of SkPDFUtils::FloatToDecimal for typical floats that
// might be found in a PDF document.
struct PDFScalarBench : public Benchmark {
bool isSuitableFor(Backend b) override {
return b == kNonRendering_Backend;
}
const char* onGetName() override { return "PDFScalar"; }
void onDraw(int loops, SkCanvas*) override {
SkRandom random;
char dst[SkPDFUtils::kMaximumFloatDecimalLength];
while (loops-- > 0) {
auto f = random.nextRangeF(-500.0f, 1500.0f);
(void)SkPDFUtils::FloatToDecimal(f, dst);
}
}
};
struct PDFColorComponentBench : public Benchmark {
bool isSuitableFor(Backend b) override {
return b == kNonRendering_Backend;
}
const char* onGetName() override { return "PDFColorComponent"; }
void onDraw(int loops, SkCanvas*) override {
char dst[5];
while (loops-- > 0) {
for (int i = 0; i < 256; ++i) {
(void)SkPDFUtils::ColorToDecimal(SkToU8(i), dst);
}
}
}
};
struct PDFShaderBench : public Benchmark {
sk_sp<SkShader> fShader;
const char* onGetName() final { return "PDFShader"; }
bool isSuitableFor(Backend b) final { return b == kNonRendering_Backend; }
void onDelayedSetup() final {
const SkPoint pts[2] = {{0.0f, 0.0f}, {100.0f, 100.0f}};
const SkColor colors[] = {
SK_ColorRED, SK_ColorGREEN, SK_ColorBLUE,
SK_ColorWHITE, SK_ColorBLACK,
};
fShader = SkGradientShader::MakeLinear(
pts, colors, nullptr, SK_ARRAY_COUNT(colors),
SkShader::kClamp_TileMode);
}
void onDraw(int loops, SkCanvas*) final {
SkASSERT(fShader);
while (loops-- > 0) {
NullWStream nullStream;
SkPDFDocument doc(&nullStream, nullptr, 72,
SkDocument::PDFMetadata(), nullptr, false);
sk_sp<SkPDFObject> shader(
SkPDFShader::GetPDFShader(
&doc, 72, fShader.get(), SkMatrix::I(),
SkIRect::MakeWH(400,400), 72));
}
}
};
struct WStreamWriteTextBenchmark : public Benchmark {
std::unique_ptr<SkWStream> fWStream;
WStreamWriteTextBenchmark() : fWStream(new NullWStream) {}
const char* onGetName() override { return "WStreamWriteText"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDraw(int loops, SkCanvas*) override {
while (loops-- > 0) {
for (int i = 1000; i-- > 0;) {
fWStream->writeText("HELLO SKIA!\n");
}
}
}
};
struct WritePDFTextBenchmark : public Benchmark {
std::unique_ptr<SkWStream> fWStream;
WritePDFTextBenchmark() : fWStream(new NullWStream) {}
const char* onGetName() override { return "WritePDFText"; }
bool isSuitableFor(Backend backend) override {
return backend == kNonRendering_Backend;
}
void onDraw(int loops, SkCanvas*) override {
static const char kHello[] = "HELLO SKIA!\n";
static const char kBinary[] = "\001\002\003\004\005\006";
while (loops-- > 0) {
for (int i = 1000; i-- > 0;) {
SkPDFUtils::WriteString(fWStream.get(), kHello, strlen(kHello));
SkPDFUtils::WriteString(fWStream.get(), kBinary, strlen(kBinary));
}
}
}
};
} // namespace
DEF_BENCH(return new PDFImageBench;)
DEF_BENCH(return new PDFJpegImageBench;)
DEF_BENCH(return new PDFCompressionBench;)
DEF_BENCH(return new PDFScalarBench;)
DEF_BENCH(return new PDFColorComponentBench;)
DEF_BENCH(return new PDFShaderBench;)
DEF_BENCH(return new WStreamWriteTextBenchmark;)
DEF_BENCH(return new WritePDFTextBenchmark;)
|
