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
|
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkWidgetViews.h"
#include "SkTextBox.h"
#ifdef SK_DEBUG
static void assert_no_attr(const SkDOM& dom, const SkDOM::Node* node, const char attr[])
{
const char* value = dom.findAttr(node, attr);
if (value)
SkDebugf("unknown attribute %s=\"%s\"\n", attr, value);
}
#else
#define assert_no_attr(dom, node, attr)
#endif
SkStaticTextView::SkStaticTextView()
{
fMargin.set(0, 0);
fMode = kFixedSize_Mode;
fSpacingAlign = SkTextBox::kStart_SpacingAlign;
// init_skin_paint(kStaticText_SkinEnum, &fPaint);
}
SkStaticTextView::~SkStaticTextView()
{
}
void SkStaticTextView::computeSize()
{
if (fMode == kAutoWidth_Mode)
{
SkScalar width = fPaint.measureText(fText.c_str(), fText.size());
this->setWidth(width + fMargin.fX * 2);
}
else if (fMode == kAutoHeight_Mode)
{
SkScalar width = this->width() - fMargin.fX * 2;
int lines = width > 0 ? SkTextLineBreaker::CountLines(fText.c_str(), fText.size(), fPaint, width) : 0;
this->setHeight(lines * fPaint.getFontSpacing() + fMargin.fY * 2);
}
}
void SkStaticTextView::setMode(Mode mode)
{
SkASSERT((unsigned)mode < kModeCount);
if (fMode != mode)
{
fMode = SkToU8(mode);
this->computeSize();
}
}
void SkStaticTextView::setSpacingAlign(SkTextBox::SpacingAlign align)
{
fSpacingAlign = SkToU8(align);
this->inval(NULL);
}
void SkStaticTextView::getMargin(SkPoint* margin) const
{
if (margin)
*margin = fMargin;
}
void SkStaticTextView::setMargin(SkScalar dx, SkScalar dy)
{
if (fMargin.fX != dx || fMargin.fY != dy)
{
fMargin.set(dx, dy);
this->computeSize();
this->inval(NULL);
}
}
size_t SkStaticTextView::getText(SkString* text) const
{
if (text)
*text = fText;
return fText.size();
}
size_t SkStaticTextView::getText(char text[]) const
{
if (text)
memcpy(text, fText.c_str(), fText.size());
return fText.size();
}
void SkStaticTextView::setText(const SkString& text)
{
this->setText(text.c_str(), text.size());
}
void SkStaticTextView::setText(const char text[])
{
if (text == NULL)
text = "";
this->setText(text, strlen(text));
}
void SkStaticTextView::setText(const char text[], size_t len)
{
if (!fText.equals(text, len))
{
fText.set(text, len);
this->computeSize();
this->inval(NULL);
}
}
void SkStaticTextView::getPaint(SkPaint* paint) const
{
if (paint)
*paint = fPaint;
}
void SkStaticTextView::setPaint(const SkPaint& paint)
{
if (fPaint != paint)
{
fPaint = paint;
this->computeSize();
this->inval(NULL);
}
}
void SkStaticTextView::onDraw(SkCanvas* canvas)
{
this->INHERITED::onDraw(canvas);
if (fText.isEmpty())
return;
SkTextBox box;
box.setMode(fMode == kAutoWidth_Mode ? SkTextBox::kOneLine_Mode : SkTextBox::kLineBreak_Mode);
box.setSpacingAlign(this->getSpacingAlign());
box.setBox(fMargin.fX, fMargin.fY, this->width() - fMargin.fX, this->height() - fMargin.fY);
box.draw(canvas, fText.c_str(), fText.size(), fPaint);
}
void SkStaticTextView::onInflate(const SkDOM& dom, const SkDOM::Node* node)
{
if (false) { // avoid bit rot, suppress warning
this->INHERITED::onInflate(dom, node);
int index;
if ((index = dom.findList(node, "mode", "fixed,auto-width,auto-height")) >= 0)
this->setMode((Mode)index);
else
assert_no_attr(dom, node, "mode");
if ((index = dom.findList(node, "spacing-align", "start,center,end")) >= 0)
this->setSpacingAlign((SkTextBox::SpacingAlign)index);
else
assert_no_attr(dom, node, "spacing-align");
SkScalar s[2];
if (dom.findScalars(node, "margin", s, 2))
this->setMargin(s[0], s[1]);
else
assert_no_attr(dom, node, "margin");
const char* text = dom.findAttr(node, "text");
if (text)
this->setText(text);
if ((node = dom.getFirstChild(node, "paint")) != NULL &&
(node = dom.getFirstChild(node, "screenplay")) != NULL)
{
// FIXME: Including inflate_paint causes Windows build to fail -- it complains
// that SKListView::SkListView is undefined.
#if 0
inflate_paint(dom, node, &fPaint);
#endif
}
}
}
|