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
|
/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkCanvas.h"
#include "SkData.h"
#include "SkDOM.h"
#include "SkParse.h"
#include "SkStream.h"
#include "SkSVGCanvas.h"
#include "SkXMLWriter.h"
#include "Test.h"
#include <string.h>
namespace {
void check_text_node(skiatest::Reporter* reporter,
const SkDOM& dom,
const SkDOM::Node* root,
const SkPoint& offset,
unsigned scalarsPerPos,
const char* expected) {
if (root == nullptr) {
ERRORF(reporter, "root element not found.");
return;
}
const SkDOM::Node* textElem = dom.getFirstChild(root, "text");
if (textElem == nullptr) {
ERRORF(reporter, "<text> element not found.");
return;
}
REPORTER_ASSERT(reporter, dom.getType(textElem) == SkDOM::kElement_Type);
const SkDOM::Node* textNode= dom.getFirstChild(textElem);
REPORTER_ASSERT(reporter, textNode != nullptr);
if (textNode != nullptr) {
REPORTER_ASSERT(reporter, dom.getType(textNode) == SkDOM::kText_Type);
REPORTER_ASSERT(reporter, strcmp(expected, dom.getName(textNode)) == 0);
}
int textLen = SkToInt(strlen(expected));
const char* x = dom.findAttr(textElem, "x");
REPORTER_ASSERT(reporter, x != nullptr);
if (x != nullptr) {
int xposCount = (scalarsPerPos < 1) ? 1 : textLen;
REPORTER_ASSERT(reporter, SkParse::Count(x) == xposCount);
SkAutoTMalloc<SkScalar> xpos(xposCount);
SkParse::FindScalars(x, xpos.get(), xposCount);
if (scalarsPerPos < 1) {
REPORTER_ASSERT(reporter, xpos[0] == offset.x());
} else {
for (int i = 0; i < xposCount; ++i) {
REPORTER_ASSERT(reporter, xpos[i] == SkIntToScalar(expected[i]));
}
}
}
const char* y = dom.findAttr(textElem, "y");
REPORTER_ASSERT(reporter, y != nullptr);
if (y != nullptr) {
int yposCount = (scalarsPerPos < 2) ? 1 : textLen;
REPORTER_ASSERT(reporter, SkParse::Count(y) == yposCount);
SkAutoTMalloc<SkScalar> ypos(yposCount);
SkParse::FindScalars(y, ypos.get(), yposCount);
if (scalarsPerPos < 2) {
REPORTER_ASSERT(reporter, ypos[0] == offset.y());
} else {
for (int i = 0; i < yposCount; ++i) {
REPORTER_ASSERT(reporter, ypos[i] == -SkIntToScalar(expected[i]));
}
}
}
}
void test_whitespace_pos(skiatest::Reporter* reporter,
const char* txt,
const char* expected) {
size_t len = strlen(txt);
SkDOM dom;
SkPaint paint;
SkPoint offset = SkPoint::Make(10, 20);
{
SkXMLParserWriter writer(dom.beginParsing());
std::unique_ptr<SkCanvas> svgCanvas = SkSVGCanvas::Make(SkRect::MakeWH(100, 100), &writer);
svgCanvas->drawText(txt, len, offset.x(), offset.y(), paint);
}
check_text_node(reporter, dom, dom.finishParsing(), offset, 0, expected);
{
SkAutoTMalloc<SkScalar> xpos(len);
for (int i = 0; i < SkToInt(len); ++i) {
xpos[i] = SkIntToScalar(txt[i]);
}
SkXMLParserWriter writer(dom.beginParsing());
std::unique_ptr<SkCanvas> svgCanvas = SkSVGCanvas::Make(SkRect::MakeWH(100, 100), &writer);
svgCanvas->drawPosTextH(txt, len, xpos, offset.y(), paint);
}
check_text_node(reporter, dom, dom.finishParsing(), offset, 1, expected);
{
SkAutoTMalloc<SkPoint> pos(len);
for (int i = 0; i < SkToInt(len); ++i) {
pos[i] = SkPoint::Make(SkIntToScalar(txt[i]), -SkIntToScalar(txt[i]));
}
SkXMLParserWriter writer(dom.beginParsing());
std::unique_ptr<SkCanvas> svgCanvas = SkSVGCanvas::Make(SkRect::MakeWH(100, 100), &writer);
svgCanvas->drawPosText(txt, len, pos, paint);
}
check_text_node(reporter, dom, dom.finishParsing(), offset, 2, expected);
}
}
DEF_TEST(SVGDevice_whitespace_pos, reporter) {
static const struct {
const char* tst_in;
const char* tst_out;
} tests[] = {
{ "abcd" , "abcd" },
{ "ab cd" , "ab cd" },
{ "ab \t\t cd", "ab cd" },
{ " abcd" , "abcd" },
{ " abcd" , "abcd" },
{ " \t\t abcd", "abcd" },
{ "abcd " , "abcd " }, // we allow one trailing whitespace char
{ "abcd " , "abcd " }, // because it makes no difference and
{ "abcd\t " , "abcd\t" }, // simplifies the implementation
{ "\t\t \t ab \t\t \t cd \t\t \t ", "ab cd " },
};
for (unsigned i = 0; i < SK_ARRAY_COUNT(tests); ++i) {
test_whitespace_pos(reporter, tests[i].tst_in, tests[i].tst_out);
}
}
|
